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Panel_LG_Display_LM195WD2-SLA1_0_[DS]


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   Global LCD Panel Exchange Center           www.panelook.com
                                                                                             LM195WD2
                                                                                   Liquid Crystal Display
                                        Product Specification




                                      SPECIFICATION
                                           FOR
                                        APPROVAL


      ( ) Preliminary Specification
      ( ) Final Specification


               Title                                   19.5" HD+ TFT LCD

           BUYER                                               SUPPLIER        LG Display Co., Ltd.

           MODEL                                               *MODEL          LM195WD2

                                                                SUFFIX         SLA1

                                                           *When you obtain standard approval,
                                                            please use the above model name without suffix


                                      SIGNATUR                                            SIGNATUR
            APPROVED BY                                           APPROVED BY
                                        E DATE                                              E DATE

                    /
                                                               B. C. Kim / G. Manager


                                                                  REVIEWED BY

                                                               S. H . Kim /Manager [C]
                    /
                                                             Y. H. Hwang /Manager [M]

                                                               M. S. Kang /Manager [P]

                                                                   REPARED BY
                    /
                                                                T. K. Kim / Engineer


      Please return 1 copy for your confirmation             IT/Mobile Development Division 1
         with your signature and comments.                          LG Display Co. Ltd



       Ver. 0.0                                Dec. 21. 2012                                       1 / 32


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                                                                                             LM195WD2
                                                                                   Liquid Crystal Display
                                        Product Specification

                                                Contents

           No                                         ITEM                                        Page
                     COVER                                                                         1
                     CONTENTS                                                                      2
                     RECORD OF REVISIONS                                                           3
       1             GENERAL DESCRIPTION                                                           4
       2             ABSOLUTE MAXIMUM RATINGS                                                      5
       3             ELECTRICAL SPECIFICATIONS                                                     6
                1)   ELECTRICAL CHARACTERISTICS                                                    6
                2)   INTERFACE CONNECTIONS                                                         8
                3)   LVDS characteristics                                                          11
                4)   SIGNAL TIMING SPECIFICATIONS                                                  14
                5)   SIGNAL TIMING WAVEFORMS                                                       15
                6)   COLOR INPUT DATA REFERNECE                                                    16
                7)   POWER SEQUENCE                                                                18
                8)   POWER DIP CONDITION                                                           19
       4             OPTICAL SFECIFICATIONS                                                        19
       5             MECHANICAL CHARACTERISTICS                                                    25
       6             RELIABILITY                                                                   28
       7             INTERNATIONAL STANDARDS                                                       29
                1)   SAFETY                                                                        29
                2)   EMC                                                                           29
                3)   ENVIRONMENT                                                                   29
       8             PACKING                                                                       30
                1)   DESIGNATION OF LOT MARK                                                       30
                2)   PACKING FORM                                                                  30
       9             PRECAUTIONS                                                                   31
                1)   MOUNTING PRECAUTIONS                                                          31
                2)   OPERATING PRECAUTIONS                                                         31
                3)   ELECTROSTATIC DISCHARGE CONTROL                                               32
                4)   PRECAUTIONS FOR STRONG LIGHT EXPOSURE                                         32
                5)   STROAGE                                                                       32
                6)   HANDLING PRECAUTIONS FOR PROTECTION FILM                                      32


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                                                                                                   LM195WD2
                                                                                         Liquid Crystal Display
                                           Product Specification


                                           Record of revisions

       Revision       Revision
                                      Page                                 Description
         No            Date
         0.0       Dec. 21. 2012       -       First Draft (Preliminary)




       Ver. 0.0                                Dec. 21. 2012                                            3 / 32


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                                                                                                  LM195WD2
                                                                                        Liquid Crystal Display
                                              Product Specification

 1. General description
   LM195WD2-SLA1 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 type display operating in the normally black mode. It has a 19.5 inch diagonally
  measured active display area with HD+ resolution (900 vertical by 1600 horizontal pixel array)
  Each pixel is divided into Red, Green and Blue sub-pixels or dots which are arranged in vertical
  stripes. Gray scale or the brightness 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 colors with
  Advanced-FRC(Frame Rate Control). It has been designed to apply the interface method that
  enables low power, high speed, low EMI. FPD Link or compatible must be used as a LVDS(Low
  Voltage Differential Signaling) chip. It is intended to support applications where thin thickness,
  wide viewing angle, low power are critical factors and graphic displays are important. In
  combination with the vertical arrangement of the sub-pixels, the LM195WD2-SLA1 characteristics
  provide an excellent flat panel display for office automation products such as monitors.

                                                    RGB
       FIG. 1 Block diagram
                                                                       Source driver circuit

                                                               S1                              S1600
                    LVDS                                     G1
                    pair #1         Timing
                    LVDS
                                   controller
                    pair #2                                            TFT-LCD Panel
                                                                     (1600 RGB 900 pixels)
             CN1

                                                            G900
                    +5V       Power circuit
                     VLCD        block

                                                          VLED 2ch   Backlight assembly (White LED)

    General features
      Active screen size               19.5 inches (494.11mm) diagonal
      Outline Dimension                452.0(H) x 263.0(V) x 10.5(D) mm(Typ.)
      Pixel Pitch                      0.2712*RGB(H)mm x 0.2626(V)mm
      Pixel Format                     1600 horizontal By 900 vertical Pixels. RGB stripe arrangement
      Interface                        LVDS 2Port
      Color depth                      16.7M colors
      Luminance, white                 250 cd/m2 (Center 1Point, typ)
      Viewing Angle (CR>10)            R/L 178(Typ.), U/D 178(Typ.)
      Power Consumption                Total TBD W(Typ.), (TBD W@VLCD , TBD W@IBL = 120 mA)
      Weight                           TBD g (Typ.)
      Display operating mode           Transmissive mode, normally Black
      Surface treatments               Hard coating (3H), Anti-glare treatment of the front polarizer

       Ver. 0.0                                   Dec. 21. 2012                                        4 / 32


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                                                                                                                  LM195WD2
                                                                                                        Liquid Crystal Display
                                          Product Specification

    2. Absolute maximum ratings
     The following are maximum values which, if exceeded,
     may cause faulty operation or damage to the unit.




    Table 1. Absolute maximum ratings

                                                                            Values
                  Parameter                   Symbol                                                    Units            Notes
                                                                   Min                Max
     Power Supply Input Voltage                VLCD                -0.3               +6.0              Vdc              At 25
     Operating Temperature                        TOP                  0              50                 C
     Storage Temperature                          TST              -20                60                 C
                                                                                                                         1,2,3
     Operating Ambient Humidity                   HOP              10                 90                %RH
     Storage Humidity                             HST              10                 90                %RH
     LCM Surface Temperature
                                              TSurface                 0              65                                  1, 4
      (Operation)


      Note : 1. Temperature and relative humidity range are shown in the figure below.
                 Wet bulb temperature should be 39 C Max, and no condensation of water.
             2. Maximum Storage Humidity is up to 40 , 90% RH only for 4 corner light leakage Mura.
             3. Storage condition is guaranteed under packing condition.
             4. LCM Surface Temperature should be Min. 0 and Max. 65 under the VLCD=5.0V,
              fV=60Hz, 25 ambient Temp. no humidity control and LED string current is typical value.


                  FIG. 2 Temperature and relative humidity

                                                                                90%

                                                                       60
                                                                                       60%

                                                              50                                              Storage
                              Wet Bulb
                              Temperature [   ]
                                                                                             Humidity
                                                                                             [(%)RH]




                                                        40
                                                                                       40%
                                                                                                             Operation
                                                  30
                                         20
                                   10
                               0
                                                                                       10%


                        -20    0    10   20        30    40   50           60   70    80
                                    Dry Bulb Temperature [         ]




       Ver. 0.0                                        Dec. 21. 2012                                                        5 / 32


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                                                                                             LM195WD2
                                                                                   Liquid Crystal Display
                                        Product Specification

    3. Electrical specifications
    3-1. Electrical characteristics
    It requires two power inputs. One is employed to power the LCD electronics and to drive the
    TFT array and liquid crystal. The second input power for the LED/Backlight, is typically
    generated by an LED Driver. The LED driver is an external unit to the LCDs.
    Table 2. Electrical characteristics
                                                                 Values
                  Parameter               Symbol                                       Unit       Notes
                                                        Min         Typ     Max
    MODULE :
    Power Supply Input Voltage              VLCD        4.5         5.0     5.5        Vdc
    Permissive Power Input Ripple           VLCD          -          -      0.4          V          2
                                         ILCD-MOSAIC      -         TBD     TBD         mA         1,3
    Power Supply Input Current            ILCD-white      -         TBD     TBD         mA         1,4
                                          ILCD-L80        -         TBD     TBD         mA          1
    Power Consumption                       PLCD          -         TBD     TBD        Watt        1,3
    Inrush current                         IRUSH          -          -      3.0          A         1,5

Note :
   1. The specified characteristics perform under the VLCD=5.0V, 25 r 2 C, fV=60Hz condition.
        fV is the frame frequency.
   2. Permissive Power Ripple should be measured under VLCD=5.0V, 25 r 2 C,
        fV =75Hz condition and At that time,
        we recommend the bandwidth configuration of oscilloscope is to be under 20MHz. (See FIG.3)
   3. Mosaic pattern(8 x 6) is displayed.
   4. Input current is specified at the maximum current pattern.
   5. The duration of Inrush current is about 5ms and rising time of power Input is 500us r 20%.

    FIG.3 pattern for Electrical characteristics
          power consumption                   power input ripple               Energy star 5.0


         White : 255Gray                                                    White : 255Gray (80%)
         Black : 0Gray                                                      Black : 0Gray (20%)




           Mosaic Pattern(8 x 6)               Full White Pattern                   L80 Pattern



       Ver. 0.0                                 Dec. 21. 2012                                      6 / 32


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                                                                                                LM195WD2
                                                                                      Liquid Crystal Display
                                        Product Specification

   Table 3. LED array ELECTRICAL CHARACTERISTICS

                                                                     Values                         Note
           Parameter           Symbol      Condition                                        Unit
                                                           Min.       Typ.      Max.                 s

      LED String Current          Is                         -        120       125         mA     1,2,5
      LED String Voltage          Vs                       TBD       (37.2)     TBD          V      1,5

           Power                                             -        (8.9)     TBD        Watt    1,2,4
                                 PBar
        Consumption
         LED Life Time         LED_LT                     30,000        -         -         Hrs       3


   Notes) The LED Bar consists of 24 LED packages, 2 strings (parallel) x 12 packages (serial)




   LED driver design guide
         : The design of the LED driver must have specifications for the LED in LCD Assembly.
           The performance of the LED in LCM, for example life time or brightness, is extremely
           influenced by the characteristics of the LED driver.
           So all the parameters of an LED driver should be carefully designed and output current
           should be Constant current control.
           Please control feedback current of each string individually to compensate the current
           variation among the strings of LEDs.
           When you design or order the LED driver, please make sure unwanted lighting caused by
           the mismatch of the LED and the LED driver (no lighting, flicker, etc) never occurs.
           When you confirm it, the LCD module should be operated in the same condition as
           installed in your instrument.

   Notes :
   1. The specified values are for a single LED bar.
   2. The specified current is defined as the input current for a single LED string with 100% duty cycle.
   3. The LED life time is defined as the time when brightness of LED packages become 50% or less
      than the initial value under the conditions at Ta = 25 r 2 C and LED string current is typical value.
   4. The power consumption shown above does not include loss of external driver.
      The typical power consumption is calculated as PBar = Vs(Typ.) x Is(Typ.) x No. of strings.
      The maximum power consumption is calculated as PBar = Vs(Max.) x Is(Typ.) x No. of strings.
   5. LED operating conditions must not exceed Max. ratings.




       Ver. 0.0                                Dec. 21. 2012                                         7 / 32


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                                                                                             LM195WD2
                                                                                   Liquid Crystal Display
                                        Product Specification

    3-2. Interface connections
    3-2-1. LCD Module
      LCD connector(CN1) : GT103-30S-HF15-E2500 (LSM) , UJU(IS100-L30O-C23)
      Mating connector : FI-X30H and FI-X30HL (JAE) or Equivalent

       Table 4. Module connector(CN1) pin configuration

       Pin No      Symbol                                    Description

          1       RXO0-            Minus signal of 1st channel 0 (LVDS)
          2       RXO0+            Plus signal of 1st channel 0 (LVDS)
          3       RXO1-            Minus signal of 1st channel 1 (LVDS)
          4       RXO1+            Plus signal of 1st channel 1 (LVDS)
          5       RXO2-            Minus signal of 1st channel 2 (LVDS)
          6       RXO2+            Plus signal of 1st channel 2 (LVDS)
          7       GND              Ground(AGP)
          8       RXOC-            Minus signal of 1st clock channel (LVDS)
          9       RXOC+            Plus signal of 1st clock channel (LVDS)
         10       RXO3-            Minus signal of 1st channel 3 (LVDS)
         11       RXO3+            Plus signal of 1st channel 3 (LVDS)
         12       RXE0-            Minus signal of 2nd channel 0 (LVDS)
         13       RXE0+            Plus signal of 2nd channel 0 (LVDS)
         14       GND              Ground
         15       RXE1-            Minus signal of 2nd channel 1 (LVDS)
         16       RXE1+            Plus signal of 2nd channel 1 (LVDS)
         17       GND              Ground
         18       RXE2-            Minus signal of 2nd channel 2 (LVDS)
         19       RXE2+            Plus signal of 2nd channel 2 (LVDS)
         20       RXEC-            Minus signal of 2nd clock channel (LVDS)
         21       RXEC+            Plus signal of 2nd clock channel (LVDS)
         22       RXE3-            Minus signal of 2nd channel 3 (LVDS)
         23       RXE3+            Plus signal of 2nd channel 3 (LVDS)
         24       GND              Ground
         25       NC               No Connection (For LCD internal use only.)
         26       NC               No Connection (For LCD internal use only.)
         27       PWM_OUT          Reference signal for inverter control
         28       VLCD             Power Supply (5.0V)
         29       VLCD             Power Supply (5.0V)
         30       VLCD             Power Supply (5.0V)




       Ver. 0.0                                Dec. 21. 2012                                       8 / 32


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                                                                                             LM195WD2
                                                                                   Liquid Crystal Display
                                         Product Specification



       FIG. 4 Connector diagram




                                          IS100-L300-C23(UJU)
                                     #
                                                                     #30
                                   #11                               #30




                           1'st signal pairs
                                        2'nd signal pairs
                                                                   Power(+5V)
                                                         PWM_OUT

                                            Rear view of LCM



      Note:
              1. NC: No Connection.
              2. All GND(ground) pins should be connected together and to Vss which should also
                 be connected to the LCD's metal frame.
              3. All VLCD (power input) pins should be connected together.
              4. Input Level of LVDS signal is based on the IEA 664 Standard.
              5. PWM_OUT is a reference signal for inverter control.
                 This PWM signal is synchronized with vertical frequency.
                 Its frequency is 5 times of vertical frequency, and its duty ratio is 50%.
                 If the system don't use this pin, do not connect.




       Ver. 0.0                                Dec. 21. 2012                                       9 / 32


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                                                                                   Liquid Crystal Display
                                        Product Specification



    3-2-2. LED Interface

The LED interface connector is a model GT108-6P-H26-E3500, wire-locking type manufactured by LSM.
The mating connector is a SHJP-06V-S(HF) or SHJP-06V-A-K(HF) and Equivalent.
The pin configuration for the connector is shown in the table below.

      Table 5. BACKLIGHT CONNECTOR PIN CONFIGURATION(CN2)


           Pin          Symbol                         Description                         Notes

            1             FB1                 Channel1 Current Feedback

            2              NC                         No connection

            3            VLED                      LED Power Supply

            4            VLED                      LED Power Supply

            5              NC                         No connection

            6             FB2                 Channel2 Current Feedback



      FIG. 5 Backlight connector view




                            #1


                                                          Rear view of LCM
                            #6




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                                                                                                                                     LM195WD2
                                                                                                                           Liquid Crystal Display
                                                      Product Specification

  3-3. LVDS characteristics

      3-3-1. LVDS Data format


                                                       Tclk

                                      Tclk*4/7                         Tclk*3/7
         RCLK +
                                           Tclk*1/7                                                                              MSB   R7
                                                                                                                                       R6
               -
        RXinO0+/   OR3   OR2   OR1   OR0     OG0      OR5      OR4       OR3      OR2   OR1   OR0   OG0    OR5     OR4
                                                                                                                                       R5
        RXinO1+/
               -   OG4   OG3   OG2   OG1      OB1     OB0      OG5       OG4      OG3   OG2   OG1   OB1    OB0     OG5                 R4
                                                                                                                                       R3
               -
        RXinO2+/   OB5   OB4   OB3   OB2      DE      VSYNC    HSYNC     OB5      OB4   OB3   OB2   DE     VSYNC   HSYNC
                                                                                                                                       R2
        RXinO3+/
               -   OG7   OG6   OR7   OR6       X      OB7      OB6       OG7      OG6   OR7   OR6    X     OB7     OB6                 R1
                                                                                                                                 LSB   R0
               -
        RXinE0+/   ER3   ER2   ER1   ER0      EG0     ER5      ER4       ER3      ER2   ER1   ER0   EG0    ER5     ER4
                                                                                                                                * ODD = 1 Pixel
                                                                                                                                         st
                   EG4   EG3   EG2   EG1      EB1     EB0      EG5       EG4      EG3   EG2   EG1   EB1    EB0     EG5                   nd
                                                                                                                                 EVEN = 2 Pixel
        RXinE1+/
               -

               -
        RXinE2+/   EB5   EB4   EB3   EB2      DE      VSYNC    HSYNC     EB5      EB4   EB3   EB2   DE     VSYNC   HSYNC




               -
        RXinE3+/   EG7   EG6   ER7   ER6      X       EB7      EB6       EG7      EG6   ER7   ER6    X     EB7     EB6


                   Previous(N-
                             1)th Cycle                       Current(Nth) Cycle                    Next(N+1)th Cycle


                                                      < LVDS Data Format >



      3-3-2. DC Specification




                     Description                               Symbol                   Min         Max             Unit           Notes
        LVDS Differential Voltage                                |VID|                  200         600             mV                 -
        LVDS Common mode Voltage                                     VCM                0.6          1.5              V                -
        LVDS Input Voltage Range                                     VIN                0.3          1.8              V                -




       Ver. 0.0                                                  Dec. 21. 2012                                                              11 / 32


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                                                                                                                  Liquid Crystal Display
                                                Product Specification

      3-3-3. AC Specification


                                                                          Tclk

                  LVDS Clock


                  LVDS Data

                                                      t SKEW (Fclk = 1/Tclk )
                                                        1) 85 MHz > Fclk           65 MHz : - 400 ~ +400
                                            t SKEW      2) 65 MHz > Fclk           25 MHz : - 600 ~ +600

                                      < Clock skew margin between channel >
                                        t   SKEW EO
                                                _




                  LVDS Odd Clock
                                                                 T clk

                  LVDS Even Clock
                                                                           T clk

                  LVDS Even Data

                                    < Clock skew margin between clock (Even/Odd) >


                        Description                       Symbol                   Min       Max           Unit         Notes
                                                                                                                   85MHz > Fclk
                                                            tSKEW                - 400      + 400          ps
                                                                                                                      65MHz
        LVDS Clock to Data Skew Margin
                                                                                                                   65MHz > Fclk
                                                            tSKEW                - 600      + 600          ps
                                                                                                                      25MHz
        Maximum deviation
                                                             FDEV                   -            3         %               1
        of input clock frequency during SSC
        LVDS Clock to Clock Skew Margin
                                                         tSKEW_EO                - 1/7      + 1/7          Tclk            -
        (Even to Odd)



      Note 1 :
      This SSC specifications are just T-CON operation specification. In case of various system
      condition, the optimum setting value of SSC can be different. LGD recommend the SI
      should be adjust the SSC deviation and modulation frequency in order not to happen any
      kinds of defect phenomenon.




       Ver. 0.0                                       Dec. 21. 2012                                                             12 / 32


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                                                                                          Liquid Crystal Display
                                            Product Specification


      Table 6. Required signal assignment for Flat Link(NS:DS90CF383) transmitter


    Pin # Pin Name         Require Signal            Pin #   Pin Name               Require Signal
       1      VCC      Power Supply for TTL Input     29        GND      Ground pin for TTL

       2       D5      TTL Input (R7)                 30        D26      TTL Input (DE)

       3       D6      TTL Input (R5)                 31      TX CLKIN   TTL Level clock Input

       4       D7      TTL Input (G0)                 32      PWR DWN    Power Down Input

       5      GND      Ground pin for TTL             33      PLL GND    Ground pin for PLL

       6       D8      TTL Input (G1)                 34      PLL VCC    Power Supply for PLL

       7       D9      TTL Input (G2)                 35      PLL GND    Ground pin for PLL

       8      D10      TTL Input (G6)                 36     LVDS GND    Ground pin for LVDS

       9      VCC      Power Supply for TTL Input     37      TxOUT3     Positive LVDS differential data output 3

      10      D11      TTL Input (G7)                 38      TxOUT3     Negative LVDS differential data output 3

      11      D12      TTL Input (G3)                 39     TX CLKOUT   Positive LVDS differential clock output

      12      D13      TTL Input (G4)                 40     TX CLKOUT   Negative LVDS differential clock output

      13      GND      Ground pin for TTL             41      TX OUT2    Positive LVDS differential data output 2

      14      D14      TTL Input (G5)                 42      TX OUT2    Negative LVDS differential data output 2

      15      D15      TTL Input (B0)                 43     LVDS GND    Ground pin for LVDS

      16      D16      TTL Input (B6)                 44      LVDS VCC   Power Supply for LVDS

      17      VCC      Power Supply for TTL Input     45      TX OUT1    Positive LVDS differential data output 1

      18      D17      TTL Input (B7)                 46      TX OUT1    Negative LVDS differential data output 1

      19      D18      TTL Input (B1)                 47      TX OUT0    Positive LVDS differential data output 0

      20      D19      TTL Input (B2)                 48      TX OUT0    Negative LVDS differential data output 0

      21      GND      Ground pin for TTL Input       49     LVDS GND    Ground pin for LVDS

      22      D20      TTL Input (B3)                 50        D27      TTL Input (R6)

      23      D21      TTL Input (B4)                 51         D0      TTL Input (R0)

      24      D22      TTL Input (B5)                 52         D1      TTL Input (R1)

      25      D23      TTL Input (RSVD)               53        GND      Ground pin for TTL

      26      VCC      Power Supply for TTL Input     54         D2      TTL Input (R2)

      27      D24      TTL Input (HSYNC)              55         D3      TTL Input (R3)

      28      D25      TTL Input (VSYNC)              56         D4      TTL Input (R4)


      Notes : Refer to LVDS Transmitter Data Sheet for detail descriptions.




       Ver. 0.0                                     Dec. 21. 2012                                         13 / 32


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                                                                                             LM195WD2
                                                                                   Liquid Crystal Display
                                          Product Specification



    3-4. Signal timing specifications

    This is the signal timing required at the input of the User connector. All of the interface signal
    timing should be satisfied with the following specifications for it's proper operation.


  Table 7. Timing table

                  Parameter                  Symbol       Min.    Typ.     Max.     Unit        Notes

                       Period                tCLK         14.6    18.5     23.1      ns     Pixel frequency
     DCLK                                                                                   : Typ.108.0MHz
                       Frequency             fCLK         43.2    54.0     68.4     MHz

                       Horizontal Valid      tHV          800     800       800
     Horizontal                                                                      tCLK
                       H Period Total        tHP          856     900      1200

                       Hsync Frequency       fH           48.0    60.0     76.0     kHz
                       Vertical Valid        tVV          900     900       900
                                                                                     tHP
     Vertical          V Period Total        tVP          908     1000     1300
                       Vsync Frequency       fV            48      60       76       Hz



    Note:
     1. DE Only mode operation. The input of Hsync & Vsync signal does not
         have an effect on LCD normal operation.
     2. The performance of the electro-optical characteristics may be influenced by variance of the
        vertical refresh rates.
     3. Horizontal period should be even.
     4. Hsync Period, Hsync Width, and Horizontal Back Porch should be any times of of character
        number(4).




       Ver. 0.0                                   Dec. 21. 2012                                   14 / 32


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                                                                                             LM195WD2
                                                                                   Liquid Crystal Display
                                        Product Specification



     3-5. Signal timing waveforms




      1. DCLK , DE, DATA waveforms

                 tCLK



        Dclk
                                 tSD         tHD         Valid

                  Invalid                                                              Invalid
         Data
                                  tSI                                    tHI
         DE(Data Enable)




       2. Horizontal waveform
                                                            tHP
                                                   tHV



               DE(Data Enable)                                                               DE



        3. Vertical waveform
                                                            tVP
                                                   tVV


               DE(Data Enable)                                                                    DE




       Ver. 0.0                                Dec. 21. 2012                                      15 / 32


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                                                                                                       LM195WD2
                                                                                             Liquid Crystal Display
                                         Product Specification


    3-6. Color input data reference
    The brightness of each primary color (red,green and blue) is based on the 8bit gray scale data
    input for the color, the higher the binary input, the brighter the color. The table below
    provides a reference for color versus data input.

     Table 8. 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(002)           0   0   0   0   0   0   1   0   0   0   0   0   0   0   0   0   0   0   0   0   0    0   0    0
          ---------          -   -   -   -   -   -   -   -   -   -   -   -   -   -   -   -   -   -   -   -   -    -   -    -
  Red
          ---------          -   -   -   -   -   -   -   -   -   -   -   -   -   -   -   -   -   -   -   -   -    -   -    -
          Red(253)           1   1   1   1   1   1   0   1   0   0   0   0   0   0   0   0   0   0   0   0   0    0   0    0
          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) Bright    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(002)            0   0   0   0   0   0   0   0   0   0   0   0   0   0   1   0   0   0   0   0   0    0   0    0
       ---------             -   -   -   -   -   -   -   -   -   -   -   -   -   -   -   -   -   -   -   -   -    -   -    -
 Green
       ---------             -   -   -   -   -   -   -   -   -   -   -   -   -   -   -   -   -   -   -   -   -    -   -    -
       Green(253)            0   0   0   0   0   0   0   0   1   1   1   1   1   1   0   1   0   0   0   0   0    0   0    0
       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)Bright      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(002)          0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0    0   1    0
          ---------          -   -   -   -   -   -   -   -   -   -   -   -   -   -   -   -   -   -   -   -   -    -   -    -
  Blue
          ---------          -   -   -   -   -   -   -   -   -   -   -   -   -   -   -   -   -   -   -   -   -    -   -    -
          Blue(253)          0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   1   1   1   1   1    1   0    1
          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) Bright   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   1   1   1   1   1    1   1    1



         Ver. 0.0                                Dec. 21. 2012                                                   16 / 32


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                                                                                                LM195WD2
                                                                                      Liquid Crystal Display
                                        Product Specification


    3-7. Power sequence




                                         90%                                   90%

      VLCD                          10%                                             10%
      Power Supply For LCD

                                           T1 T2                          T5          T7
                                                        Valid data
       Interface Signal (Tx)

                                         0V
                                                   T3                T4


                                                        LED on
         Power for Backlight             OFF                                          OFF




      Table 9. Power sequence

                                                        Values
            Parameter                                                                           Units
                                      Min                 Typ                  Max
                  T1                  0.5                  -                   10                ms
                  T2                  0.01                 -                   50                ms
                  T3                  500                  -                    -                ms
                  T4                  200                  -                    -                ms
                  T5                  0.01                 -                   50                ms
                  T7                   1                   -                    -                 s


    Notes :
      1. Please avoid floating state of interface signal at invalid period.
      2. When the interface signal is invalid, be sure to pull down the power supply for
         LCD VLCD to 0V.
      3. LED power must be turn on after power supply for LCD an interface signal are valid.




       Ver. 0.0                                Dec. 21. 2012                                          17 / 32


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                                                                                               LM195WD2
                                                                                     Liquid Crystal Display
                                        Product Specification


    3-8. VLCD Power dip condition


        FIG. 6 Power dip condition

                                                                           VLCD




                                                                              4.5V
                                                                    3.5V
                                                                      GND(ground)
                                                    td




         1) Dip condition

                   3.5V VLCD   4.5V , td 20ms

         2) VLCD    3.5V

              VLCD-dip conditions should also follow the Power On/Off conditions for supply voltage.




       Ver. 0.0                                Dec. 21. 2012                                       18 / 32


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                                                                                                LM195WD2
                                                                                      Liquid Crystal Display
                                           Product Specification


    4. Optical specification
    Optical characteristics are determined after the unit has been `ON' for 30 minutes in a dark
    environment at 25 C.


    Table 10. Optical characteristics                   Ta= 25 C, VLCD=5.0V, fV=60Hz fCLK=54MHz, IBL=120mA


                                                                     Values
                  Parameter               Symbol                                          Units     Notes
                                                          Min         Typ      Max
     Contrast Ratio                         CR             700       1000                              1

     Surface Luminance, white               LWH            200        250                 cd/m2        2

     Luminance Variation                  G WHITE          75                              %           3

     Response Time         Gray to Gray   TGTG_AVR          -         14        25         ms          4

                           RED              Rx                        TBD

                                            Ry                        TBD

                           GREEN            Gx                        TBD

     Color Coordinates                      Gy                        TBD
                                                           Typ                 Typ
     [CIE1931]
                           BLUE             Bx            -0.03       TBD     +0.03
     (By PR650)

                                            By                        TBD

                           WHITE            Wx                       0.313

                                            Wy                       0.329

                           Horizontal      TCST_H           -         TBD       -
     Color Shift
                                                                                         Degree        5
     (Avg. u'v' < 0.02)
                           Vertical        TCST_V           -         TBD       -

     Viewing Angle (CR>10)

                           Horizontal       TH             170        178       -
     General                                                                             Degree        6
                           Vertical         TV             170        178       -

                           Horizontal     GGamma_H          -          -        20
     GSR @ 60dgree
                                                                                           %           7
     (Gamma shift rate)
                           Vertical       GGamma_V          -          -        20

     Gray Scale                                                       2.2                              8




       Ver. 0.0                                      Dec. 21. 2012                                  19 / 32


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                                                                                                             LM195WD2
                                                                                                   Liquid Crystal Display
                                                  Product Specification




    Notes 1. Contrast Ratio(CR) is defined mathematically as : (By PR880)
                                                   Surface Luminance with all white pixels
                             Contrast Ratio
                                                   Surface Luminance with all black pixels
              It is measured at center point(Location P1)

           2. Surface luminance(LWH)is luminance value at Center 1 point(P1) across the LCD surface 50cm
              from the surface with all pixels displaying white. For more information see FIG 7. (By PR880)


           3. The variation in surface luminance , G WHITE is defined as : (By PR880)

                                      Minimum(L P1 , L P2 , }.. L P9 )
                             GWHITE                                      u 100
                                      Maximum (L P1 , L P2 , .... L P9 )

              Where L1 to L9 are the luminance with all pixels displaying white at 9 locations.
              For more information see FIG 8.

           4. Gray to gray response time is the time required for the display to transition from gray to gray. For
              additional information see Table 10. (By RD80S)

           5. Color shift is the angle at which the average color difference for all Macbeth is lower than 0.02.
              For more information see FIG 9. (By EZ Contrast)
               - Color difference ( u'v')
                              4x                             9y
                    u'                             v'                            'u ' v'   (u '1 u '2 ) 2  (v'1 v'2 ) 2
                          2 x  12 y  3                   2 x  12 y  3
                                       24
                                                                         u'1, v'1 : u'v' value at viewing angle direction
                                      



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