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LM185WH2
Liquid Crystal Display
Product Specification
SPECIFICATION
FOR
APPROVAL
( ) Preliminary Specification
( ) Final Specification
Title 18.5" HD TFT LCD
BUYER LGE SUPPLIER LG Display Co., Ltd.
MODEL *MODEL LM185WH2
SUFFIX TLD1
*When you obtain standard approval,
please use the above model name without suffix
SIGNATURE DATE APPROVED BY DATE
B.C. Kim / G.Manager
/ REVIEWED BY
J.H. Kim / Manager [C]
Y.H. HWANG / Manager [M]
/
M.S. Kang / Manager [P]
S.H. Han / Manager [O]
PREPARED BY
/
S.H. Han / Engineer
Please return 1 copy for your confirmation IT/Mobile Development Division 1.
With your signature and comments. LG Display Co., Ltd
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LM185WH2
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 9
3) LVDS characteristics 12
4) SIGNAL TIMING SPECIFICATIONS 15
5) SIGNAL TIMING WAVEFORMS 16
6) COLOR INPUT DATA REFERNECE 17
7) POWER SEQUENCE 18
8) POWER DIP CONDITION 19
4 OPTICAL SFECIFICATIONS 20
5 MECHANICAL CHARACTERISTICS 25
6 RELIABILITY 27
7 INTERNATIONAL STANDARDS 28
1) SAFETY 28
2) EMC 28
8 PACKING 29
1) DESIGNATION OF LOT MARK 29
2) PACKING FORM 29
9 PRECAUTIONS 30
1) MOUNTING PRECAUTIONS 30
2) OPERATING PRECAUTIONS 30
3) ELECTROSTATIC DISCHARGE CONTROL 31
4) PRECAUTIONS FOR STRONG LIGHT EXPOSURE 31
5) STROAGE 31
6) HANDLING PRECAUTIONS FOR PROTECTION FILM 31
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LM185WH2
Liquid Crystal Display
Product Specification
Record of revisions
Revision No Date Page Description
Ver 0.0 Feb.13.2012 - Preliminary Specifications
Ver0.1 Mar.23.2012 4, 7 Change the LED Array Electrical characteristics
4, 23 Updated LCM's Weight ( 1350g(typ), 1420g(max))
10 Added LED Mating CNT(SHJP-06-A-K (HF)
19 Updated Optical Characteristics (Color Coordinates: R,G,B)
22 Delete Notes of TCO5.0 Luminance uniformity
29 Updated Packing information.
Ver1.0 June.01.2012 Final Specifications
28 Update safety on International standards
30 Change the Operating precautions
3: (In Higher temperature, it becomes lower.)
25,26 Update LCM's drawing
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LM185WH2
Liquid Crystal Display
Product Specification
1. General description
LM185WH2-TLD1 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 white mode. It has a
18.5 inch diagonally measured active display area with HD 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 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 LM185WH2-TLD1
characteristics provide an excellent flat panel display for office automation products such as
monitors.
RGB
FIG. 1 Block diagram
Source driver circuit
S1 S1366
G1
LVDS Timing
pair #1 controller
TFT-LCD Panel
(1366 RGB 768 pixels)
CN1
+5V Power circuit G768
VLCD block
Backlight assembly (W LED)
Vled 2ch
General features
Active screen size 18.51 inches (470.1mm) diagonal
Outline Dimension 430.4(H) x 254.6(V) x 10.2(D) mm(Typ.)
Pixel Pitch 0.10*RGB(H)mm x 0.30(V)mm
Pixel Format 1366 horizontal By 768 vertical Pixels. RGB stripe arrangement
Interface LVDS 1Port
Color depth 16.7M colors
Luminance, white 200 cd/m2 ( Center 1Point, typ)
Viewing Angle (CR>10) R/L 90(Typ.), U/D 50(Typ.)
Power Consumption Total 10.4W(Typ.), (3.60 W@VLCD , 6.8W@Is = 100mA)
Weight 1350g(Typ)
Display operating mode Transmissive mode, Normally White
Surface treatments Hard coating (3H), Anti-glare treatment of the front polarizer
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LM185WH2
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
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 Temperature 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 [ ]
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LM185WH2
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 a 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 - - 0.3 V 3
ILCD-MOSAIC - 720 940 mA 1
Power Supply Input Current
ILCD-BLACK - 900 1170 mA 2
Power Consumption PLCD - 3.60 4.70 Watt 1
Inrush current IRUSH - - 3.0 A 4
Note :
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. Permissive power ripple should be measured under VCC=5.0V, 25 C, fV (frame frequency)=75Hz
condition and At that time, we recommend the bandwidth configuration of oscilloscope
is to be under 20MHz.
4. The duration of rush current is about 5ms and rising time of power Input is 500us r 20%.
FIG.3 pattern for Electrical characteristics
power consumption measurement power input ripple
White : 255Gray
Black : 0Gray
Mosaic Pattern(8 x 6) Full Black Pattern
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LM185WH2
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 - 100 115 mA 1,2,5
LED String Voltage Vs 31.9 34.1 36.3 V 1,5
Power Consumption PBar - 6.8 7.3 Watt 1,2,4
LED Life Time LED_LT 30,000 - - Hrs 3
Notes) The LED Bar consists of 22LED packages, 2 strings (parallel) x 11 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.
1. 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 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 are must not exceed Max. ratings.
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LM185WH2
Liquid Crystal Display
Product Specification
3-2. Interface connections
LCD Connector(CN1): GT103-30S-HF15-E2500(LSM) or IS100-L30O-C23 (UJU)
Mating connector : FI-X30H and FI-X30HL (JAE) or Equivalent
Table 4. Module connector(CN1) pin configuration
Pin No Symbol Description
1 NC No Connection (For LCD internal use only.)
2 PWM_OUT Reference signal for inverter control
3 NC No Connection (For LCD internal use only.)
4 GND Ground
5 RX0- Minus signal of channel 0 (LVDS)
6 RX0+ Plus signal of channel 0 (LVDS)
7 GND Ground
8 RX1- Minus signal of channel 1 (LVDS)
9 RX1+ Plus signal of channel 1 (LVDS)
10 GND Ground
11 RX2- Minus signal of channel 2 (LVDS)
12 RX2+ Plus signal of channel 2 (LVDS)
13 GND Ground
14 RXCLK- Minus signal of clock channel (LVDS)
15 RXCLK+ Plus signal of clock channel (LVDS)
16 GND Ground
17 RX3- Minus signal of channel 3 (LVDS)
18 RX3+ Plus signal of channel 3 (LVDS)
19 GND Ground
20 NC No Connection (For LCD internal use only.)
21 NC No Connection (For LCD internal use only.)
22 NC No Connection (For LCD internal use only.)
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)
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LM185WH2
Liquid Crystal Display
Product Specification
FIG. 4 Connector diagram
GT103-30S-HF15-E2500 (LSM)
#1 #30
signal pairs
Power(5V)
PWM signal
#1 #30
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 3 times of vertical frequency, and its duty ratio is 50%.
If the system don't use this pin, do not connect.
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LM185WH2
Liquid Crystal Display
Product Specification
Table 5. BACKLIGHT CONNECTOR PIN CONFIGURATION
The LED interface connector is a model SM06B-SHJH(HF), Wire locking Type manufactured by JST.
The mating connector is a SHJP-06V-S(HF) or or SHJP-06V-A-K(HF) and Equivalent.
The pin configuration for the connector is shown in the table below.
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
#1
Rear view of LCM
#6
[ Figure 5 ] Backlight connector view
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LM185WH2
Liquid Crystal Display
Product Specification
3-3. LVDS characteristics
3-3-1. DC Specification
LVDS -
|VID|
LVDS +
VCM VIN_MAX VIN_MIN
# |VID| = |(LVDS+) (LVDS-)|
# VCM = {(LVDS+) + (LVDS-)}/2
0V
Description Symbol Min Max Unit Notes
LVDS Differential Voltage |VID| 200 600 mV -
LVDS Common mode Voltage VCM 0.6 1.8 V -
LVDS Input Voltage Range VIN 0.3 2.1 V -
3-3-2. AC Specification
Tclk
LVDS Clock
LVDS Data
t SKEW (Fclk = 1/T clk )
1) 90 MHz > Fclk 65 MHz : - 400 ~ +400
t SKEW 2) 65 MHz > Fclk 25 MHz : - 600 ~ +600
Description Symbol Min Max Unit Notes
tSKEW - 400 + 400 ps 90MHz > Fclk 65MHz
LVDS Clock to Data Skew Margin
tSKEW - 600 + 600 ps 65MHz > Fclk 25MHz
Maximum deviation
FDEV - 3 % -
of input clock frequency during SSC
Maximum modulation frequency
FMOD - 200 KHz -
of input clock during SSC
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LM185WH2
Liquid Crystal Display
Product Specification
Freq.
Fmax
Fcenter
Fmin
Time
< Spread Spectrum >
3-3-3. LVDS Data format
Tclk
CLK +/- Tclk * 4/7 Tclk * 3/7
Tclk * 1/7 MSB R7
R6
RXin0 +/- R3 R2 R1 R0 G0 R5 R4 R3 R2 R1 R0 G0 R5 R4
R5
RXin1 +/- G4 G3 G2 G1 B1 B0 G5 G4 G3 G2 G1 B1 B0 G5 R4
R3
RXin2 +/- B5 B4 B3 B2 DE VSYNC HSYNC B5 B4 B3 B2 DE VSYNC HSYNC
R2
RXin3 +/- G7 G6 R7 R6 X B7 B6 G7 G6 R7 R6 X B7 B6 R1
LSB R0
Previous(N-1)th Cycle Current(Nth) Cycle Next(N+1)th Cycle
< LVDS Data Format >
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LM185WH2
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.
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LM185WH2
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 11.1 13.0 16.2 ns
DCLK
Frequency fCLK 61.6 77.0 90.0 MHz
Horizontal Valid tHV 1366 1366 1366
Horizontal tCLK
H Period Total tHP 1430 1608 2044
Hsync Frequency fH 38.3 47.9 62.0 kHz
Vertical Valid tVV 768 768 768
tHP
Vertical V Period Total tVP 776 798 1108
Vsync Frequency fV 48 60 76 Hz
DE DE Setup Time tSI 4 - -
ns For DCLK
(Data Enable) DE Hold Time tHI 4 - -
Data Setup Time tSD 4 - -
Data ns For DCLK
Data Hold Time tHD 4 - -
Note:
1. LM185WH2-TLD1 is 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.
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LM185WH2
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
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LM185WH2
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
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LM185WH2
Liquid Crystal Display
Product Specification
3-7. Power sequence
90% 90%
VLCD
Power Supply For LCD
10% 10%
T1 T2 T5 T7
Valid data
Interface Signal (Tx)
0V
T3 T4
LED on
Power for LED 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.
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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 , td20ms
2) VLCD 3.5V
VLCD-dip conditions should also follow the Power On/Off conditions for supply voltage.
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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= 77.0MHz, Is=100mA
Values
Parameter Symbol Units Notes
Min Typ Max
1
Contrast Ratio CR 400 600 -
(PR-880)
2
Surface Luminance, white LWH 160 200 - cd/m2
(PR-880)
3
Luminance Variation G WHITE 9P 1.5
(PR-880)
Rise Time TrR - 1.1 2.6 ms 4
Response Time
Decay Time TrD - 3.9 7.4 ms (RD80S)
Rx 0.646
RED
Ry 0.333
Gx 0.318
GREEN
Gy Typ 0.626 Typ
Color Coordinates
(PR-650)
[CIE1931] -0.03 +0.03
Bx 0.152
BLUE
By 0.063
Wx 0.313
WHITE
Wy 0.329
Viewing Angle (CR>10)
x axis, right(I=0 ) Tr 40 45 Degree
5
x axis, left (I=180 ) Tl 40 45
(PR-880)
y axis, up (I=90 ) Tu 10 15
y axis, down (I=270 ) Td 30 35
Crosstalk 1.5 % (PR880)
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The values specified are at an approximate distance 50cm from the LCD surface at a viewing
angle of ) and T equal to 0 .
FIG. 7 presents additional information concerning the measurement equipment and method.
FIG. 7 Optical characteristic measurement equipment and method
LCD Module
Optical
Stage(x,y) Pritchard 880
or equivalent
50cm
Notes :
1. Contrast ratio(CR) is defined mathematically as :It is measured at center point(1)
Surface luminance with all white pixels
Contrast ratio = ---------------------------------------------------------
Surface luminance with all black pixels
2. Surface luminance is the luminance value at center 1 point(1) across
the LCD surface 50cm from the surface with all pixels displaying white.
For more information see FIG 8.
3. The variation in surface luminance , G WHITE is defined as
Maximum (P1,P2 .....P9)
G WHITE = ---------------------------------------------
Minimum (P1,P2 .....P9)
For more information see Figure 8.
FIG. 8 Luminance measuring point
H H
H/2 H/10 H/2
2 3 4 V/2
V/2
V
V 5 6
1
V/10 7 8 9
Active Area H : 409.800 mm
V : 230.400 mm
@ H,V : Active Area
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Notes :
4. Response time is the time required for the display to transition from black to white
(Decay Time, TrD) and from white to black (Rise Time, TrR)
The sampling rate is 2,500 sample/sec. For additional information see FIG. 9.
The response time is defined as the following figure and shall be measured by
switching the input signal for each gray to gray.
FIG. 9 Response time
TrR TrD
100
90
Optical
white black white
response
[%] 10
0
5. Viewing angle is the angle at which the contrast ratio is greater than 10 or 5. 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 surface. For more information see FIG. 10 .
FIG. 10 Viewing angle
Normal
E Y
I = 90q, Up
I = 180q, Left
T
I
I = 0q, Right
I = 270q, Down
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Notes :
6. Gray scale specification
Table 11. Gray scale
Gray level Luminance [%] (Typ)
L0 0.10
L31 0.97
L63 4.43
L95 11.06
L127 21.13
L159 34.88
L191 54.53
L223 77.00
L255 100
7. Color grayscale linearity , u'v' is defined as
(u ' A u ' B ) 2 (v' A v' B ) 2
Where indices A and B are the two gray levels found to have the largest color differences
between them.
i.e. get the largest u' and v' of each 6pairs of u' and v' and calculate u'v' .
-Test pattern :
100% full white pattern with a test pattern as shown FIG.12
Squares of 40mm by 40mm in size, filled with 255, 225, 195, 165, 135 and 105
grayscale steps should be arranged in the center of the screen.
-Test method :
First gray step :
Move a square of 255 gray level should be moved into the center of the screen
and measure luminance and u' and v' coordinates.
Next gray step :
Move a 255 gray square into the center and measure both luminance and
u' and v' coordinates.
The same procedure shall then be repeated for gray steps 195, 165, 135 and 105.
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Notes :
FIG. 12 Color grayscale linearity
40mm
40mm
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5. Mechanical characteristics
The contents provide general mechanical characteristics. In addition the figures in the next
page are detailed mechanical drawing of the LCD.
Table 12. Mechanical characteristics
Horizontal 430.4 mm
Outline dimension Vertical 254.6 mm
Depth 10.20 mm
Horizontal 413.4 mm
Bezel area
Vertical 234.0 mm
Horizontal 409.800 mm
Active display area
Vertical 230.400 mm
Weight 1350g(Typ), 1420g(Max)
Hard coating(3H)
Surface treatment
Anti-glare treatment of the front polarizer
Notes : Please refer to a mechanic drawing in terms of tolerance at the next page.
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