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                                                                                                          LC185EXN
                                                      Product Specification




                                                  SPECIFICATION
                                                      FOR
                                                    APPROVAL



         (    ) Preliminary Specification
         (    ) Final Specification

                        Title                                   18.5" WXGA TFT LCD

                 BUYER                     General                      SUPPLIER           LG Display Co., Ltd.

                 MODEL                                                   *MODEL             LC185EXN
                                                                         SUFFIX             SDA1
                                                                   *When you obtain standard approval,
                                                                    please use the above model name without suffix


                                             SIGNATURE                                                 SIGNATURE
                       APPROVED BY                                            APPROVED BY
                                                DATE                                                      DATE

                             /                                          H. S. SONG /Team Leader



                                                                              REVIEWED BY


                             /                                        H. S. CHOI / Project Leader



                                                                              PREPARED BY

                             /                                            J. S. BAE / Engineer



             Please return 1 copy for your confirmation with                   TV Product Development Dept.
                       your signature and comments.                                 LG Display Co., Ltd.



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                                                                                            LC185EXN
                                              Product Specification

                                                  CONTENTS
            Number                                     ITEM                                   Page
                        COVER                                                                  1

                        CONTENTS                                                               2
                        RECORD OF REVISIONS                                                    3

             1          GENERAL DESCRIPTION                                                    4

             2          ABSOLUTE MAXIMUM RATINGS                                               5
             3          ELECTRICAL SPECIFICATIONS                                              6

                 3-1    ELECTRICAL CHARACTERISTICS                                             6

                 3-2    INTERFACE CONNECTIONS                                                  8

                 3-3    SIGNAL TIMING SPECIFICATIONS                                           10
                 3-4    SIGNAL TIMING WAVEFORMS                                                11

                 3-5    COLOR DATA REFERENCE                                                   14

                 3-6    POWER SEQUENCE                                                         15

             4          OPTICAL SPECIFICATIONS                                                 17

             5          MECHANICAL CHARACTERISTICS                                             21

             6          RELIABILITY                                                            24

             7          INTERNATIONAL STANDARDS                                                25

                 7-1    SAFETY                                                                 25

                 7-2    EMC                                                                    25

                 7-3    Environment                                                            25

             8          PACKING                                                                26

                 8-1    INFORMATION OF LCM LABEL                                               26

                 8-2    PACKING FORM                                                           26
             9          PRECAUTIONS                                                            27
                 9-1    MOUNTING PRECAUTIONS                                                   27
                 9-2    OPERATING PRECAUTIONS                                                  27
                 9-3    ELECTROSTATIC DISCHARGE CONTROL                                        28
                 9-4    PRECAUTIONS FOR STRONG LIGHT EXPOSURE                                  28
                 9-5    STORAGE                                                                28
                 9-6    HANDLING PRECAUTIONS FOR PROTECTION FILM                               28



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                                                                                             LC185EXN
                                               Product Specification


                                        RECORD OF REVISIONS

         Revision No.   Revision Date   Page                                   Description
             0.1        Aug. 19, 2010    -       Preliminary Specification (First Draft)




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                                                                                                                                   LC185EXN
                                                       Product Specification

         1. General Description

        The LC185EXN is a Color Active Matrix Liquid Crystal Display with an integral Light Emitting Diode (LED)
        backlight system. The matrix employs a-Si Thin Film Transistor as the active element.
        It is a transmissive display type which is operating in the normally black mode. It has a 26.01 inch diagonally
        measured active display area with WXGA resolution (768 vertical by 1366 horizontal pixel array).
        Each pixel is divided into Red, Green and Blue sub-pixels or dots which are arranged in Horizontal stripes.
        Gray scale or the luminance of the sub-pixel color is determined with a 8-bit gray scale signal for each dot,
        thus presenting a palette of more than 16.7M(6bit + A-FRC) colors.
        It has been designed to apply the 8-bit 1-port LVDS interface.
        It is intended to support LCD TV, PCTV where high brightness, super wide viewing angle, high color gamut,
        high color depth and fast response time are important.


                                                                   Mini-LVDS(RGB)
                                         EEPROM
                                                                                                               Source Driver Circuit
                                      SCL          SDA                                                  S1                             S1366

                                                                                                 G1
                                                                           Gate Driver Circuit




            LVDS
                                    Timing Controller       Control
            1Port                                           Signals
                      CN1               [LVDS Rx]
            LVDS     (30pin)
                                                                                                             TFT - LCD Panel
            Select                                                                                           (1366   RGB    768 pixels)
            #21

            +5.0V                    Power Circuit                                               G768
                                        Block

             +24.0V, GND, Von/off       LED Driver
              Ext VBR-B                                               CN402(6Pin)                              Back light Assembly(44 LED)
                                       CN401(14Pin)


         General Features
          Active Screen Size                18.5 inches(470.1mm) diagonal
          Outline Dimension                 430.4(H)    254.6(V)      12.4(D) (Typ.)
          Pixel Pitch                       0.100mm x 0.300mm
          Pixel Format                      1366 horiz. by 768 vert. Pixels, RGB stripe arrangement
          Color Depth                       8-bit(D), 16.7M colors
          Luminance, White                  250 cd/m2 (Center 1point) (Typ.)
          Viewing Angle (CR>10)             Viewing angle free ( R/L 178(Min.), U/D 178(Min.))
                                            Total 18.1W (TBD) (Typ.)
          Power Consumption
                                            (Logic=2.9W, LED Driver=15.2W(TBD) EXTVBR-B=100% )
          Weight                            1,040g (Typ.)
          Display Mode                      Transmissive mode, Normally black
          Surface Treatment                 Hard coating(3H), Anti-glare treatment of the front polarizer (Haze 13%)

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                                                                                                                                        LC185EXN
                                                               Product Specification

         2. Absolute Maximum Ratings
          The following items are maximum values which, if exceeded, may cause faulty operation or damage to the
          LCD module.

         Table 1. ABSOLUTE MAXIMUM RATINGS

                                                                                              Value
                              Parameter                               Symbol                                                Unit          Note
                                                                                       Min                Max
                                     LCD Circuit                       VLCD            -0.3               +6.0              VDC
          Power Input Voltage
                                     Driver                             VBL            -0.3           + 27.0                VDC
                                     ON/OFF                        VOFF / VON          -0.3               +5.5              VDC            1
          Driver Control Voltage
                                     Brightness                         VBR            0.0                +5.5              VDC
          T-Con Option Selection Voltage                               VLOGIC          -0.3               +4.0              VDC
          Operating Temperature                                         TOP             0                    +50             C
                                                                                                                                          2,3
          Storage Temperature                                           TST            -20                   +60             C
          Panel Front Temperature                                       TSUR            -                    +68             C             4
          Operating Ambient Humidity                                    HOP            10                         90        %RH
                                                                                                                                          2,3
          Storage Humidity                                              HST            10                         90        %RH

        Note 1. Ambient temperature condition (Ta = 25 r 2 C )
             2. Temperature and relative humidity range are shown in the figure below.
                 Wet bulb temperature should be Max 39 C, and no condensation of water.
             3. Gravity mura can be guaranteed below 40 C condition.
             4. The maximum operating temperatures is based on the test condition that the surface temperature
                of display area is less than or equal to 68 C with LCD module alone in a temperature controlled chamber.
                Thermal management should be considered in final product design to prevent the surface temperature of
                display area from being over 68 . The range of operating temperature may degraded in case of
                improper thermal management in final product design.

                                                                                       90%

                                                                                 60
                                                                                                   60%

                                                                         50                                                  Storage
                                                                                                         Humidity [(%)RH]




                                   Wet Bulb
                                   Temperature [   C]
                                                                 40
                                                                                                   40%
                                                                                                                            Operation
                                                          30

                                                   20
                                          10
                                     0
                                                                                                   10%


                             -20     0        10    20     30     40        50    60    70    80

                                              Dry Bulb Temperature [   C]

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                                                                                                            LC185EXN
                                                    Product Specification

         3. Electrical Specifications
         3-1. Electrical Characteristics

          It requires two power inputs. One is employed to power for the LCD circuit. The other is used for the LED
          backlight and LED Driver circuit.

         Table 2. ELECTRICAL CHARACTERISTICS

                                                                           Value
                       Parameter                Symbol                                             Unit         Note
                                                              Min           Typ       Max
           Circuit :

           Power Input Voltage                   VLCD          4.5          5.0       5.5          VDC

                                                                -           580       754           mA           1
           Power Input Current                   ILCD
                                                                -           690       897           mA           2

           Power Consumption                     PLCD           -           2.9       3.77         Watt          1

           Rush current                          IRUSH          -            -        3.0           A            3


         Notes : 1. The specified current and power consumption are under the VLCD=5.0V, 25 r 2 C, fV=60Hz
                    condition whereas mosaic pattern(8 x 6) is displayed and fV is the frame frequency.
                 2. The current is specified at the maximum current pattern.
                 3. The duration of rush current is about 2ms and rising time of power input is 0.5ms (min.).



                                                         White : 255Gray
                                                         Black : 0Gray




                                                    Mosaic Pattern(8 x 6)




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                                                                                                             LC185EXN
                                                    Product Specification

         Table 3. ELECTRICAL CHARACTERISTICS (Continue)

                                                                           Values
                          Parameter                   Symbol                                    Unit         Notes
                                                                   Min       Typ       Max

          LED Driver :

           Power Supply Input Voltage                   VBL        22.8      24.0      25.2     Vdc             1

          Power Supply Input Current                   IBL_A        -        0.63      0.7       A              1
                                                                                                       VBL = 22.8V
           Power Supply Input Current (In-Rush)        Irush        -          -       1.5       A
                                                                                                       Ext VBR-B = 100%
           Power Consumption                            PBL         -        15.2      16.8      W              1
                                              On        V on       2.5         -       5.0      Vdc
                                 On/Off
                                              Off       V off      -0.3       0.0      0.7      Vdc
                               Brightness Adjust      ExtVBR-B      1          -       100       %          On Duty
           Input Voltage for
            Control System     PWM Frequency for        PAL                  100                Hz              4
               Signals         NTSC & PAL              NTSC                  120                Hz              4

                               Pulse Duty Level      High Level    2.5         -       5.0      Vdc      HIGH : on duty
                               (PWM)                 Low Level     0.0         -       0.7               LOW : off duty
                                                                                                Vdc
          LED :
           Life Time                                              30.000                        Hrs             3

         Notes :
         1. Electrical characteristics are determined after the unit has been `ON' and stable for approximately 60
            minutes at 25 2 C. The specified current and power consumption are under the typical supply Input voltage
            24Vand VBR (ExtVBR-B : 100%), it is total power consumption.
         2. Electrical characteristics are determined within 30 minutes at 25 2 C.
            The specified currents are under the typical supply Input voltage 24V.
         3. The life time is determined as the time which luminance of the LED is 50% compared to that of initial
            value at the typical LED current (ExtVBR-B :100%) on condition of continuous operating in LCM state at
            25 2 C.
         4. LGD recommend that the PWM freq. is synchronized with two time harmonic of Vsync signal of system.
            Though PWM frequency is over 120Hz (max 252Hz), function of LED Driver is not affected.
         5. The duration of rush current is about 10ms.
         6. Even though inrush current is over the specified value, there is no problem if I 2T spec of fuse is satisfied.




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                                                                                                                    LC185EXN
                                                          Product Specification

         3-2. Interface Connections
         This LCD module employs two kinds of interface connection, a 30-pin connector is used for the module
         electronics and 14-pin connector is used for the integral backlight system.

         3-2-1. LCD Module
         - LCD Connector(CN5) : KDF71G-30S-1H(Hirose) or Equivalent.
         - Mating Connector : FI-X30C2L (Manufactured by JAE) or Equivalent

         Table 4. MODULE CONNECTOR(CN5) PIN CONFIGURATION
             Pin No.                 Symbol                                      Description                         Note
                 1                     GND              Ground                                                         5
                 2                   Reserved           "H" : Interlace Free Mode, "L or NC " : Normal Operation       4
                 3                      NC              No Connection
                 4                     GND              Ground
                 5                     RX0-             LVDS Receiver Signal(-)
                 6                     RX0+             LVDS Receiver Signal(+)
                 7                     GND              Ground
                 8                     RX1-             LVDS Receiver Signal(-)
                 9                     RX1+             LVDS Receiver Signal(+)
                10                     GND              Ground
                11                     RX2-             LVDS Receiver Signal(-)
                12                     RX2+             LVDS Receiver Signal(+)
                13                     GND              Ground
                14                    RXCLK-            LVDS Receiver Clock Signal(-)
                15                   RXCLK+             LVDS Receiver Clock Signal(+)
                16                     GND              Ground
                17                     RX3-             LVDS Receiver Signal(-)
                18                     RX3+             LVDS Receiver Signal(+)
                19                     GND              Ground
                20                      NC              No Connection
                21                  LVDS Select         "H" : JEIDA, "L or NC" : VESA                              Appendix V
                22                      NC              No Connection
                23                     GND              Ground
                24                     GND              Ground
                25                     GND              Ground
                26                     VLCD             Power Supply +5.0V
                27                     VLCD             Power Supply +5.0V
                28                     VLCD             Power Supply +5.0V
                29                     VLCD             Power Supply +5.0V
                30                     VLCD             Power Supply +5.0V

         Notes : 1. All GND (Ground) pins should be connected together to the LCD module's metal frame.
                 2. All VLCD (Power input) pins should be connected together.
                 3. All Input levels of LVDS signals are based on the EIA 644 Standard.
                 4. Specific pins (Pin No. #2) are used for Option of the LCD module.
                      If not used, these pins are no connection.
                 5. Specific pin No. #30 is used for "No signal detection" of system signal interface.
                      It should be GND for NSB (No Signal Black) during the system interface signal is not.
                      If this pin is "H", LCD Module displays AGP (Auto Generation Pattern).


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                                                                                              LC185EXN
                                                  Product Specification

         3-2-2. Backlight Inverter

          - LED Connector : SM14B-SRSS-TB (Manufactured by JST)
          - Mating Connector : SHR-14V-S-B (With protrusions) or SHR-14V-S
                            (Without protrusions) ; (Manufactured by JST)


         Table 5. INVERTER CONNECTOR PIN CONFIGULATION

            Pin No            Symbol                     Description                   Note

               1                VBL        Power Supply +24.0V
               2                VBL        Power Supply +24.0V
               3                VBL        Power Supply +24.0V
               4                VBL        Power Supply +24.0V
               5                VBL        Power Supply +24.0V
               6               GND         Backlight Ground
               7               GND         Backlight Ground
               8               GND         Backlight Ground                             1
               9               GND         Backlight Ground
              10               GND         Backlight Ground
              11               Status      LED Status                                   2
              12              VON/OFF      Backlight ON/OFF control

              13                NC         No Connection

              14           EXTVBR-B        External PWM                                 3

         Notes : 1. GND should be connected to the LCD module's metal frame.
                 2. Normal : Low (under 0.7V) / Abnormal : High (upper 3.0V)
                 3. High : on duty / Low : off duty
                 4. Each impedance of pin #12 and 13 is over 50[K ] and over 50[K ].



                   Rear view of LCM
                                           PCB


                         14
                                                   ...
                               ...




                          1




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                                                                                                              LC185EXN
                                                     Product Specification

         3-3. Signal Timing Specifications
         Table 6 shows the signal timing required at the input of the LVDS transmitter. All of the interface signal
         timings should be satisfied with the following specification for normal operation.


         Table 6. TIMING TABLE (DE Only Mode)

                        ITEM                Symbol      Min           Typ           Max           Unit          Note

                          Display Period      tHV         -           1366            -            tclk

           Horizontal           Blank         tHB        90           162           410            tclk

                                Total         tHP       1456          1528          1776           tclk

                          Display Period      tVV         -           768             -            tHP

                                                          20          22             240
                                Blank         tVB                                                  tHP
            Vertical                                    (126)        (180)          (295)
                                                         786          790           1008
                                Total         tVP                                                  tHP
                                                        (894)        (948)         (1063)


                        ITEM                Symbol      Min           Typ          Max          Unit            Note

                                 DCLK        fCLK       63.0         72.4          80.0         MHz

                               Horizontal     fH         45          47.4           55          KHz              2

            Frequency                                                                                           2
                                                         57            60           63                        NTSC :
                                Vertical      fV                                                 Hz          57~63Hz
                                                        (47)          (50)         (53)
                                                                                                              (PAL :
                                                                                                             47~53Hz)

         Note :
               1. The input of HSYNC & VSYNC signal does not have an effect on normal operation (DE Only Mode).
                   If you use spread spectrum of EMI, add some additional clock to minimum value for clock margin.
                2. The performance of the electro-optical characteristics may be influenced by variance of the vertical
                   refresh rate and the horizontal frequency
                3. Timing should be set based on clock frequency.




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                                                                                                         LC185EXN
                                                    Product Specification

         3-4. Signal Timing Waveforms
           3-4-1. LVDS Input Signal Timing Diagram

                                                                     0.7VDD
                                              DE, Data
                                                                                  0.3VDD




                              tCLK
                DCLK                      0.5 Vcc




                                                               Valid data

                     1366            Invalid data          1                                1366   Invalid data



                              DE(Data Enable)


                                                                            tHV

                                                     tHT



                DE(Data Enable)
                            768                            1                               768



                                                                             tVV

                                                               tVT




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                                                                                                                                                                 LC185EXN
                                                                      Product Specification

         3-4-2. LVDS Input Signal Characteristics
           1) DC Specification
                              LVDS     -




                              LVDS     +



                                                                                                                  V CM          V IN _ MAX   V IN _ MIN

                                           # V CM = {( LVDS +) + ( LVDS - )} /2
                                  0V

                              Description                              Symbol                   Min        Max           Unit                             Note
           LVDS Common mode Voltage                                       VCM                    1.0        1.5           V                                -
           LVDS Input Voltage Range                                        VIN                   0.7        1.8           V                                -
           Change in common mode Voltage                                   VCM                             250           mV                                -

           2) AC Specification
                                                                                        T clk


           LVDS Clock

                                                              A

          LVDS Data

                                                                       ( F clk = 1 /T clk )
                                                tSKEW tSKEW
                                                                                                                                                      A
                                                                        Tclk
          LVDS 1'st Clock                                                                                                                                        80%

          LVDS 2nd / 3rd / 4th Clock
                                                                                                                                                                 20%
                                                                                                                                                           tRF
                                  tSKEW_min tSKEW_max

                               Description                             Symbol                   Min        Max            Unit                            Note
                                               High Threshold              VTH                  100        300            mV
          LVDS Differential Voltage                                                                                                                         3
                                               Low Threshold               VTL                  -300       -100           mV
          LVDS Clock to Data Skew Margin                                 tSKEW                         |(0.2*Tclk)/7|      ps                               -
          LVDS Clock/DATA Rising/Falling time                              tRF                  260    (0.3*Tclk)/7        ps                               2
          Effective time of LVDS                                            teff                 360                       ps                               -
          LVDS Clock to Clock Skew Margin (Even to Odd) tSKEW_EO                                         1/7* Tclk        Tclk                              -
         Note 1. All Input levels of LVDS signals are based on the EIA 644 Standard.
              2. If tRF isn't enough, teff should be meet the range.
              3. LVDS Differential Voltage is defined within teff

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                                                                                              LC185EXN
                                              Product Specification




                                                       360ps

                                   0.5tui                                          tui
          V+
          data



                                                                VTH
           Vcm
                                                                VTL




          V-
                                            360ps
          data
                                                teff
         V+                                                                         tui : Unit Interval
         clk




           Vcm




          V-
          clk




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                                                                                                                                         LC185EXN
                                                                Product Specification

         3-5. Color Data Reference

         The brightness of each primary color (Red, Green, Blue) is based on the 8-bit gray scale data input for the color.
         The higher binary input, the brighter the color. Table 7 provides a reference for color versus data input.


         Table 7. COLOR DATA REFERENCE
                                                                                      Input Color Data

                                                      RED                                  GREEN                               BLUE
                      Color
                                          MSB                           LSB MSB                              LSB MSB                               LSB

                                          R7 R6 R5 R4 R3 R2 R1 R0 G7 G6 G5 G4 G3 G2 G1 G0 B7 B6 B5 B4 B3 B2 B1 B0

                     Black                0   0   0   0         0   0   0   0 0   0    0   0         0   0   0   0 0   0   0   0         0   0     0     0

                     Red (255)            1   1   1   1         1   1   1   1 0   0    0   0         0   0   0   0 0   0   0   0         0   0     0     0

                     Green (255)          0   0   0   0         0   0   0   0 1   1    1   1         1   1   1   1 0   0   0   0         0   0     0     0

           Basic     Blue (255)           0   0   0   0         0   0   0   0 0   0    0   0         0   0   0   0 1   1   1   1         1   1     1     1
           Color     Cyan                 0   0   0   0         0   0   0   0 1   1    1   1         1   1   1   1 1   1   1   1         1   1     1     1

                     Magenta              1   1   1   1         1   1   1   1 0   0    0   0         0   0   0   0 1   1   1   1         1   1     1     1

                     Yellow               1   1   1   1         1   1   1   1 1   1    1   1         1   1   1   1 0   0   0   0         0   0     0     0

                     White                1   1   1   1         1   1   1   1 1   1    1   1         1   1   1   1 1   1   1   1         1   1     1     1

                     RED (000)       Dark 0   0   0   0         0   0   0   0 0   0    0   0         0   0   0   0 0   0   0   0         0   0     0     0

                     RED (001)            0   0   0   0         0   0   0   1 0   0    0   0         0   0   0   0 0   0   0   0         0   0     0     0

           RED                 ...                        ...                                  ...                                 ...

                     RED (254)            1   1   1   1         1   1   1   0 0   0    0   0         0   0   0   0 0   0   0   0         0   0     0     0

                     RED (255)            1   1   1   1         1   1   1   1 0   0    0   0         0   0   0   0 0   0   0   0         0   0     0     0

                     GREEN (000) Dark 0       0   0   0         0   0   0   0 0   0    0   0         0   0   0   0 0   0   0   0         0   0     0     0

                     GREEN (001)          0   0   0   0         0   0   0   0 0   0    0   0         0   0   0   1 0   0   0   0         0   0     0     0

          GREEN                ...                        ...                                  ...                                 ...

                     GREEN (254)          0   0   0   0         0   0   0   0 1   1    1   1         1   1   1   0 0   0   0   0         0   0     0     0

                     GREEN (255)          0   0   0   0         0   0   0   0 1   1    1   1         1   1   1   1 0   0   0   0         0   0     0     0

                     BLUE (000)      Dark 0   0   0   0         0   0   0   0 0   0    0   0         0   0   0   0 0   0   0   0         0   0     0     0

                     BLUE (001)           0   0   0   0         0   0   0   0 0   0    0   0         0   0   0   0 0   0   0   0         0   0     0     1

          BLUE                 ...                        ...                                  ...                                 ...

                     BLUE (254)           0   0   0   0         0   0   0   0 0   0    0   0         0   0   0   0 1   1   1   1         1   1     1     0

                     BLUE (255)           0   0   0   0         0   0   0   0 0   0    0   0         0   0   0   0 1   1   1   1         1   1     1     1




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                                                                                                                      LC185EXN
                                                         Product Specification

         3-6. Power Sequence
         3-6-1. LCD Driving circuit


                                                90%                                                       90%

         Power Supply For LCD VLCD 0V         10%                                                              10%      10%
                                                                                                   T8
                                               T1
                                                                                                                 T5
                                                          T2
                                                                             Valid Data             Vcm : LVDS Common mode Voltage


                                                         30%
         Interface Signal (Tx_clock)   0V

                                                            100%        T3                    T4
                                                    T6
         User Control Signal
         (LVDS_select)

                                                               T7             LED ON
         Power for LED


         Table 8. POWER SEQUENCE

                                                               Value
               Parameter                                                                                Unit           Notes
                                        Min                     Typ                    Max
                      T1                0.5                         -                     20            ms
                      T2                 0                          -                     -             ms              4
                      T3                200                         -                     -             ms              3
                      T4                200                         -                     -             ms              3
                      T5                1.0                         -                     -              s              5
                      T6                 -                          -                     T2            ms              4
                      T7                0.5                         -                     -              s
                      T8                100                         -                     -             ms              6

        Note :1. Please avoid floating state of interface signal at invalid period.
              2. When the power supply for LCD (VLCD) is off, be sure to pull down the valid and invalid data to 0V.
              3. The T3 / T4 is recommended value, the case when failed to meet a minimum specification,
                 abnormal display would be shown. There is no reliability problem.
              4. If the on time of signals(Interface signal and user control signals) precedes the on time of Power(V LCD),
                 it will be happened abnormal display. When T6 is NC status, T6 doesn't need to be measured.
              5. T5 should be measured after the Module has been fully discharged between power off and on
                 period.
              6. It is recommendation specification that T8 has to be 100ms as a minimum value.

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                                                                                                                LC185EXN
                                                        Product Specification

         3-6-2. Sequence for LED Driver

             Power Supply For LED Driver
                                                                   24V (typ.)
                                                 90%                                        90%
                           VBL
                                           10%
                                      0V



                                                   T1   T2                            T5

                           VON/OFF
                                                                         LED ON




                           EXTVBR-B

                                                         T4




         3-6-3. Dip condition for LED Driver

                                                                                T6
                                                                                                  VBL : 24V


                  VBL (Typ.) x 0.8


                                                                                                   0V

         Table 9. Power Sequence for Inverter
                                                        Values
                  Parameter                                                           Units           Remarks
                                           Min               Typ                Max
                      T1                   20                 -                  -     ms                 1
                      T2                   500                -                  -     ms
                      T4                    0                                    -     ms
                      T5                   10                 -                  -     ms
                      T6                    -                 -                 10     ms           VBL(Typ) x 0.8

          Notes : 1. T1 describes rising time of 0V to 24V and this parameter does not applied at restarting time.
                     Even though T1 is over the specified value, there is no problem if I 2T spec of fuse is satisfied.




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                                                                                                                  LC185EXN
                                                           Product Specification

         4. Optical Specification

         Optical characteristics are determined after the unit has been `ON' and stable in a dark environment at 25 2 C.
         The values are specified at distance 50cm from the LCD surface at a viewing angle of ) and T equal to 0 .
         FIG. 1 shows additional information concerning the measurement equipment and method.


                                             LCD Module                                        Pritchard 880 or
                  Optical Stage(x,y)
                                                                                               equivalent




                                                           50cm
                              FIG. 1 Optical Characteristic Measurement Equipment and Method

         Table 10. OPTICAL CHARACTERISTICS                    Ta= 25 2 C, VLCD=5.0V, fV=60Hz, Dclk=72.4MHz, EXTVBR-B=100%
                                                                              Value
                       Parameter                   Symbol                                               Unit        Note
                                                                    Min        Typ        Max
          Contrast Ratio                              CR            700       1000         -                          1
                                                                                                              2
          Surface Luminance, white                   LWH            200        250         -            cd/m          2
          Luminance Variation                    G WHITE     5P       -            -      1.3                         3
                             Variation             G to G                          6       9             ms           5
          Response Time
                             Gray to Gray (BW)    G to G BW                        9       13            ms           4
                                                      Rx                      0.634
                             RED
                                                      Ry                      0.339
                                                      Gx                      0.320
         Color               GREEN
                                                      Gy             Typ      0.608       Typ
         Coordinates
                                                      Bx            -0.03     0.155      +0.03
         [CIE1931]           BLUE
                                                      By                      0.050
                                                      Wx                      0.279
                             WHITE
                                                      Wy                      0.292
         Color Temperature                                                    10,000                     K
         Color Gamut                                                            68                       %
         Viewing Angle (CR>10)
                x axis, right(I=0 )                   Tr             89            -       -
                x axis, left (I=180 )                 Tl             89            -       -
                                                                                                       degree         6
                y axis, up (I=90 )                    Tu             89            -       -
                y axis, down (I=270 )                 Td             89            -       -
          Gray Scale                                                  -            -       -                          7


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                                                                                                              LC185EXN
                                                      Product Specification
         Notes :1. Contrast Ratio (CR) is defined mathematically as :
                              Surface Luminance at all white pixels
                  CR =
                              Surface Luminance at all black pixels
                      It is measured at center 1-point.
               2. Surface luminance is determined after the unit has been `ON' and 1Hour after lighting the
                  backlight in a dark environment at 25 2 C. Surface luminance is the luminance value at center
                  1-point across the LCD surface 50cm from the surface with all pixels displaying white.
                  For more information see the FIG. 2.
               3. The variation in surface luminance , G WHITE is defined as :
                  G WHITE(5P) = Maximum(Lon1,Lon2, Lon3, Lon4, Lon5) / Minimum(Lon1,Lon2, Lon3, Lon4, Lon5)
                   Where Lon1 to Lon5 are the luminance with all pixels displaying white at 5 locations .
                  For more information, see the FIG. 2.
               4. Response time is the time required for the display to transit from any gray to white (Rise Time, TrR)
                  and from any gray to black (Decay time, TrD). For additional information see the FIG. 3.
                    G to GBW Spec stands for average value of all measured points.
                    Photo Detector : RD-80S / Field : 2
               5. G to G     is Variation of Gray to Gray response time composing a picture
                                                                Xi = Individual Data
                             G to G ( ) =         (Xi- u)2      u = Data average
                                                   N            N : The number of Data

               6. Viewing angle is the angle at which the contrast ratio is greater than 10. The angles are
                 determined for the horizontal or x axis and the vertical or y axis with respect to the z axis which
                 is normal to the LCD module surface. For more information, see the FIG. 4.
               7. Gray scale specification
                  Gamma Value is approximately 2.2. For more information, see the Table 11.
         Table 11. GRAY SCALE SPECIFICATION
                                  Gray Level                                        Luminance [%] (Typ.)
                                      L0                                                   0.10
                                     L15                                                   0.27
                                     L31                                                   1.04
                                     L47                                                   2.49
                                     L63                                                   4.68
                                     L79                                                   7.66
                                     L95                                                   11.5
                                     L111                                                  16.1
                                     L127                                                  21.6
                                     L143                                                  28.1
                                     L159                                                  35.4
                                     L175                                                  43.7
                                     L191                                                  53.0
                                     L207                                                  66.7
                                     L223                                                  79.0
                                     L239                                                  90.2
                                     L255                                                   100


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                                                                                                           LC185EXN
                                                   Product Specification


         Measuring point for surface luminance & measuring point for luminance variation.



                                                           H
                                                  A
                     V
                          B




                                                                                                A : H / 4 mm
                                                                                                B : V / 4 mm
                                                                                                @ H,V : Active Area




                                     FIG. 2 5 Points for Luminance Measure




         Response time is defined as the following figure and shall be measured by switching the input signal for
         "Gray(N)" and "Black or White".



                                                      Tr                           Tf
                              100
                               90


                     Optical
                     Response


                               10
                                       Gray(N)       White         Gray(N)          Black
                                0
                                                 N = 0(Black)~255(White)

                                                   FIG. 3 Response Time


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                                                                                            LC185EXN
                                             Product Specification

          Dimension of viewing angle range


                                                 Normal
                                                                E       Y
                                                                             I = 90q, Up



                 I = 180q, Left
                                                     T

                                                          I


                                                                            I = 0q, Right




                       I = 270q, Down



                                             FIG. 4 Viewing Angle




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                                                                                                    LC185EXN
                                                    Product Specification

         5. Mechanical Characteristics


         Table 12 provides general mechanical characteristics.


          Table 12. MECHANICAL CHARACTERISTICS
                             Item                                                Value

                                                   Horizontal                            430.4 mm

                      Outline Dimension            Vertical                              254.6 mm

                                                   Depth                                 12.4 mm

                                                   Horizontal                            413.4mm
                          Bezel Area
                                                   Vertical                              234.0mm

                                                   Horizontal                            409.8 mm
                      Active Display Area
                                                   Vertical                              230.4 mm

                            Weight                 1,040g (Typ.) , 1,100g (Max.) TBD

          Note : Please refer to a mechanical drawing in terms of tolerance at the next page.




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                                                                                            LC185EXN
                                             Product Specification

          




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                                                                                            LC185EXN
                                             Product Specification

           




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                                                                                                           LC185EXN
                                                        Product Specification

         6. Reliability

         Table 13. ENVIRONMENT TEST CONDITION

           No.                          Test Item                                           Condition

            1         High temperature storage test                 Ta= 60 C 240h

            2         Low temperature storage test                  Ta= -20 C 240h

            3         High temperature operation test               Ta= 50 C 50%RH       240h

            4         Low temperature operation test                Ta= 0 C     240h

                                                                    Wave form : random
                                                                    Vibration level : 1.0Grms
                      Vibration test
            5                                                       Bandwidth : 10-300Hz
                      (non-ope



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