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LM201WE2
Liquid Crystal Display
Product Specification
SPECIFICATION
FOR
APPROVAL
( ) Preliminary Specification
( ) Final Specification
Title 20.1" WSXGA+ TFT LCD
BUYER NDS SUPPLIER LG.Philips LCD Co., Ltd.
MODEL *MODEL LM201WE2
SUFFIX SLB1
*When you obtain standard approval,
please use the above model name without suffix
SIGNATURE SIGNATURE
APPROVED BY APPROVED BY
DATE DATE
/ S. G Hong / G.Manager
REVIEWED BY
/ K.G Park / Manager
PREPARED BY
/ K.H. LEE / A. Engineer
Please return 1 copy for your confirmation with MNT Products Engineering Dept.
your signature and comments. LG. Philips LCD Co., Ltd
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LM201WE2
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
3-1 ELECTRICAL CHARACTREISTICS 6
3-2 INTERFACE CONNECTIONS 8
3-3 SIGNAL TIMING SPECIFICATIONS 12
3-4 SIGNAL TIMING WAVEFORMS 13
3-5 COLOR INPUT DATA REFERNECE 14
3-6 POWER SEQUENCE 15
4 OPTICAL SFECIFICATIONS 16
5 MECHANICAL CHARACTERISTICS 21
6 RELIABILITY 24
7 INTERNATIONAL STANDARDS 25
7-1 SAFETY 25
7-2 EMC 25
8 PACKING 27
8-1 DESIGNATION OF LOT MARK 27
8-2 PACKING FORM 27
9 PRECAUTIONS 28
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LM201WE2
Liquid Crystal Display
Product Specification
RECORD OF REVISIONS
Revision No Revision Date Page DESCRIPTION
0.0 August, 29, 2005 - First Draft, Preliminary Specifications
0.1 Sep 12,2005 17 Added the contrast ratio without DCR
0.2 Sep.22.2005 8 Update DIM out Voltage.
22 Adjustment surface treatment.
25 Update the Reliability
26 Added the ROHS specification
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LM201WE2
Liquid Crystal Display
Product Specification
1. General Description
LM201WE2 is a Color Active Matrix Liquid Crystal Display with an integral Cold Cathode Fluorescent
Lamp(CCFL) 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 20.1 inch diagonally measured
active display area with WSXGA+ resolution (1050 vertical by 1680 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(True) colors.
It has been designed to apply the 8Bit 2 port LVDS interface.
It is intended to support displays where high brightness, super wide viewing angle,
high color saturation, and high color are important.
Source Driver Circuit
RGB, Dclk, DE Timing Control
Hsync, Vsync CN1 S1 S1680
Block
(LVDS 2 port) (30pin)
G1
Gate Driver circuit
VLCD(+12V)
TFT-LCD Panel
Power Circuit Block (1680 u 1050 pixels)
G1050
+24.0V
2pin x 5CNs (High) Back light Assembly
CN2
GND (14Pin)
Inverter (Direct Light Type_10CCFL)
2pin x 1CNs (Low)
General Features
Active Screen Size 20.1 inches(511.133mm) diagonal (Aspect ratio 16:10)
Outline Dimension 461.4(H) x 296.8 (V) x 36.9(D) mm (Typ.)
Pixel Pitch 0.258mm x 0.258mm
Pixel Format 1680 horiz. By 1050 vert. Pixels RGB strip arrangement
Color Depth 8bit, 16,7 M colors
Luminance, White 470 cd/m2 (Center 1 point, Typ.)
Viewing Angle (CR>10) Viewing Angle Free ( R/L 178(Typ.), U/D 178(Typ))
Power Consumption Total 54.81 Watt(Typ.) (5.81 Watt@VLCD, 49 Watt@470cd)
Weight 2680 g (Typ.)
Display Operating Mode Transmissive mode, normally black
Surface Treatment Hard coating (3H), Anti-glare treatment of the front polarizer
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LM201WE2
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 Input Voltage VLCD -0.3 14.0 Vdc at 25 r 2 C
Operating Temperature TOP 0 50 C 1
Storage Temperature TST -20 60 C 1
Operating Ambient Humidity HOP 10 90 %RH 1
Storage Humidity HST 10 90 %RH 1
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.
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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LM201WE2
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 CCFL, is typically generated by an inverter. The inverter is an
external unit to the LCDs.
Table 2_1. ELECTRICAL CHARACTERISTICS
Values
Parameter Symbol Unit Notes
Min Typ Max
MODULE :
Power Supply Input Voltage VLCD 11.4 12.0 12.6 Vdc
- 466 560 mA 1
Power Supply Input Current ILCD
- 572 686 mA 2
Power Consumption PLCD - 5.59 6.72 Watt 1
Rush current IRUSH - - 3 A 3
Note :
1. The specified current and power consumption are under the VLCD=12.0V, 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 1ms(min.).
White : 255Gray Maximum current pattern
Black : 0Gray
Mosaic Pattern(8 x 6) White Pattern
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LM201WE2
Liquid Crystal Display
Product Specification
Table 2_2. INVERTERELECTRICAL CHARACTERISTICS
Values
Parameter Symbol Condition Unit Notes
Min. Typ. Max.
Inverter :
Input Voltage VDDB 22 24 26 V 1
Input Current IDDB VBR = 3.3V 1.92 2.28 A 2
Input Power PB VBR = 3.3V 41.5 46.1 50.7 Watt 2
B/L on/off control VON/OFF Lamp ON = High 2.0 - 5.0 V
Lamp OFF =Low 0.0 - 0.8 V
Brightness Adj VBR 0.0 - 3.3 V
LAMP :
Life time 50,000 Hrs 3
Notes :
1. The input voltage ripple is limited below 400mVp-p.
2.The specified current and power consumption are under the typical supply Input voltage, 24V.
3.The life is determined as the time at which luminance of the lamp is 50% compared to that of initial
value at the typical lamp current on condition of continuous operating at 25 r 2 C.
4. Electrical characteristics are determined after the unit has been `ON' and stable for approximately
30min in a dark environment at 25 Cr 2 C.
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LM201WE2
Liquid Crystal Display
Product Specification
3-2. Interface Connections
This LCD employs Two interface connections, a 30 pin connector is used for the module electronics and a
14Pin Connector is used for the integral backlight system.
3-2-1. Interface Connections
- LCD Connector(CN1) : IS100-L30B-C23 (Manufactured by UJU) or Equivalent
- Mating Connector : FI-XC30C2L (Manufactured by JAE) or Equivalent
Table 3. MODULE CONNECTOR(CN1) PIN CONFIGURATION
Pin No Symbol Description
1 FR0M Minus signal of odd channel 0 (LVDS)
2 FR0P Plus signal of odd channel 0 (LVDS)
3 FR1M Minus signal of odd channel 1 (LVDS)
4 FR1P Plus signal of odd channel 1 (LVDS)
5 FR2M Minus signal of odd channel 2 (LVDS)
6 FR2P Plus signal of odd channel 2 (LVDS)
First data
7 GND Ground
8 FCLKINM Minus signal of odd clock channel (LVDS)
9 FCLKINP Plus signal of odd clock channel (LVDS)
10 FR3M Minus signal of odd channel 3 (LVDS)
11 FR3P Plus signal of odd channel 3 (LVDS)
12 SR0M Minus signal of even channel 0 (LVDS)
13 SR0P Plus signal of even channel 0 (LVDS)
14 GND Ground
15 SR1M Minus signal of even channel 1 (LVDS)
16 SR1P Plus signal of even channel 1 (LVDS)
17 GND Ground
Second data
18 SR2M Minus signal of even channel 2 (LVDS)
19 SR2P Plus signal of even channel 2 (LVDS)
20 SCLKINM Minus signal of even clock channel (LVDS)
21 SCLKINP Plus signal of even clock channel (LVDS)
22 SR3M Minus signal of even channel 3 (LVDS)
23 SR3P Plus signal of even channel 3 (LVDS)
24 GND Ground
25 GND Ground
26 AI AI-Enable ON 2.5~3.3, OFF 0~0.8V
27 DIM DIM-Out 0.5V ~ 3.3V
28 VLCD Power Supply +12.0V
29 VLCD Power Supply +12.0V
30 VLCD Power Supply +12.0V
Note: 1. All GND(ground) pins should be connected together and to Vss which should also be connected to
the LCD's metal frame.
2. All VLCD (power input) pins should be connected together.
3. Input Level of LVDS signal is based on the IEA 664 Standard.
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LM201WE2
Liquid Crystal Display
Product Specification
User Connector Diagram
#1 #30 #1 #30
IS-100-L30B-C23 (UJU) Rear view of LCM
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LM201WE2
Liquid Crystal Display
Product Specification
Table 4. REQUIRED SIGNAL ASSIGNMENT FOR Flat Link (TI:SN75LVDS83) 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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LM201WE2
Liquid Crystal Display
Product Specification
3-2-2. Backlight Interface
- Inverter Connector : S14B-PHA-SM3 Side entry type (Manufactured by JST) or Equivalent
- Mating Connector : PHR-14(Manufactured by JST) or Equivalent
Table 5. INVERTER CONNECTOR PIN CONFIGULATION
Pin No Symbol Description Remarks
1 VDDB Power Supply +24.0V (Back light)
2 VDDB Power Supply +24.0V (Back light)
3 VDDB Power Supply +24.0V (Back light)
4 VDDB Power Supply +24.0V (Back light)
5 VDDB Power Supply +24.0V (Back light)
6 GND Power Ground (Back light)
7 GND Power Ground (Back light)
8 GND Power Ground (Back light) Note 1
9 GND Power Ground (Back light)
10 GND Power Ground (Back light)
11 OPEN NC
ON : 2.0V~5.0V
12 VON/OFF Backlight On/off Signal OFF : 0.0~0.8V
13 VBR Brightness Adjustable Voltage Max3.3V/Min0.0V
14 OPEN NC (DON'T USE)
Notes : 1. GND is connected to the LCD's metal frame.
Rear view of LCM
PCB
14
...
...
1
S14B-PHA-SM3
(JST : Japan Solderless Terminal Co.,Ltd.)
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LM201WE2
Liquid Crystal Display
Product Specification
3-3. 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 6. Timing Table
ITEM Symbol Min Typ Max Unit Note
Period tCLK 8.55 8.40 8.26 ns
DCLK
Frequency - 117 119 121 MHz
Period tHP 1816 1840 1840 tCLK
Hsync Frequency fH 59.696 64.674 64.674 KHz
Width tWH 32 32 32 tCLK
Period tVP 1066 1080 1080 tHP
Vsync Frequency fV 56 59.883 64 Hz
Width tWV 6 6 6 tHP
Horizontal Valid tHV 1680 1680 1680
Horizontal Back Porch tHBP 80 80 80
tCLK
Horizontal Front Porch tHFP 24 48 48
DE Horizontal Blank - 136 160 160
(Data
Enable) Vertical Valid tVV 1050 1050 1050
Vertical Back Porch tVBP 9 21 21
tHP
Vertical Front Porch tVFP 1 3 3
Vertical Blank - 16 30 30
Notes: Hsync period and Hsync width-active should be even number times of tCLK. If the value is odd number
times of tCLK, display control signal can be asynchronous. In order to operate this LCM a Hsync,
Vsyn, and DE(data enable) signals should be used.
1. The performance of the electro-optical characteristics may be influenced by variance of the vertical
refresh rates.
2. Vsync and Hsync should be keep the above specification.
3. Hsync Period, Hsync Width, and Horizontal Back Porch should be any times of of character
number(8).
4. The polarity of Hsync, Vsync is not restricted.
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LM201WE2
Liquid Crystal Display
Product Specification
3-4. Signal Timing Waveforms
0.7VCC
Hsync, Vsync, DE, Data
0.3VCC
tCLK
DCLK 0.5 VCC
Valid data
First data Invalid data Pixel 0,0 Pixel 2,0 Invalid data
Valid data
Second data Invalid data Pixel 1,0 Pixel 3,0 Invalid data
DE(Data Enable)
tHP
HSync tWH
tHBP tHV tHFP
DE(Data Enable)
tVP
tWV
VSync
tVBP tVV tVFP
DE(Data Enable)
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LM201WE2
Liquid Crystal Display
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 the binary input, the brighter the color. The table below 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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LM201WE2
Liquid Crystal Display
Product Specification
3-6. Power Sequence
VLCD
90% 90%
Power Supply, VLCD
10% 10%
0V
T1 T2 T5 T6 T7
Interface Signal, Vi
(Digital RGB signal, Valid data
10% 10%
SCDT ,Vsync, Hsync,
DE, Clock to LVDS 0V T3 T4
Transmitter)
Power Supply for LAMP ON
LAMP OFF LAMP OFF
Backlight Inverter
Table 8. POWER SEQUENCE
Values
Parameter Units
Min Typ Max
T1 - - 10 ms
T2 0.01 - 50 ms
T3 200 - - ms
T4 200 - - ms
T5 0.01 - 50 ms
T6 0.01 - 10 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. Lamp power must be turn on after power supply for LCD an interface signal are valid.
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LM201WE2
Liquid Crystal Display
Product Specification
3-6-2 Power Sequence for Inverter
VBL
90%
Power Supply_VBL
0V 10%
T1
T2 T4
Lamp ON/OFF
LAMP ON
LAMP OFF
T3
Lamp Dimmer
T5
Vin_typ
Vin_dip Vin_typ 0.2
Vin Dipping
0V
Table 11. Power Sequence
Values
Parameter Units Notes
Min. Typ. Max.
T1 1 - 30 ms
T2 200 - - ms
T3 - - 50 ms
T4 500 - - ms
T5 - - 10 ms
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LM201WE2
Liquid Crystal Display
Product Specification
4. Optical Specification
Optical characteristics are determined after the unit has been `ON' and stable for approximately 30 minutes in
a dark environment at 25 2 C. The values specified are at an approximate distance 50cm from the LCD
surface at a viewing angle of ) and T equal to 0 .
FIG. 1 presents 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 9. OPTICAL CHARACTERISTICS Ta=25 C, VLCD=12.0V, fV=60Hz Dclk=119MHz, IBL=5.5mA
Values
Parameter Symbol Units Notes
Min Typ Max
CR 450 700 -
Contrast Ratio 1
CR(With DCR) 1000 1600 -
Surface Luminance, 1pts LWH 400 470 - cd/m2 2
Luminance Variation G WHITE - - 1.45 3
Rise Time TrR - 5 10 ms 4
Decay Time TrD - 7 24 ms 4
Response Time
TGTG_AVR - 6 - ms 5
Gray To Gray
TGTG_MAX - 10 - ms 5
Rx 0.640
RED
Ry 0.340
Gx 0.290
GREEN
Color Coordinates Gy Typ 0.615 Typ
[CIE1931] Bx -0.03 0.145 +0.03
BLUE
By 0.070
Wx 0.313
WHITE
Wy 0.329
Color shift 6
Horizontal TCST_H - 178 - degree
Vertical TCST_V - 178 -
Viewing Angle (CR>10)
Horizontal TH 170 178 -
General degree 7
Vertical TV 170 178 -
Horizontal TGMA_H - 178 -
Effective degree 8
Vertical TGMA_V 178
Gray Scale 2.2 9
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LM201WE2
Liquid Crystal Display
Product Specification
Notes 1. Contrast Ratio(CR) is defined mathematically as :
Surface Luminance with all white pixels
Contrast Ratio =
Surface Luminance with all black pixels
2. Surface luminance is luminance value at No.1 point across the LCD surface 50cm
from the surface with all pixels displaying white. For more information see FIG 2.
3. The variation in surface luminance , G WHITE is defined as :
Minimum(Lon1 , L on2 , }.. L on9 )
GWHITE u 100(%)
Maximum (L on1 , L on2 , .... L on9 )
Measuring point for surface luminance & measuring point for luminance variation
H
A
H/10
2 3 4
B
V 5 6
1
7 8 9
V/10
A : H/4 mm Active Area
B : V/4 mm
@ H,V : Active Area
FIG. 2 Measure Point for Luminance
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LM201WE2
Liquid Crystal Display
Product Specification
4. The response time is defined as the following figure and shall be measured by switching
the input signal for "black" and "white".
Response time is the time required for the display to transition from black to white (Rise Time,
TrR) and from white to black (Decay Time, TrD).
- Measure Condition : DCR Off
TrR TrD
100
90
Optical
Response
10
0 white black
black
FIG. 3 Response Time
5. The Gray to Gray response time is defined as the following figure and shall be measured
by switching the input signal for "Gray To Gray ".
- Measure Condition : DCR Off
- Gray step : 5 Step
- TGTG_AVR is the total average time at rising time and falling time for "Gray To Gray ".
- TGTG_MAX is the max time at rising time or falling time for "Gray To Gray ".
Rising Time
Gray to Gray
G255 G191 G127 G63 G0
Falling Time G255
G191
G127
G63
G0
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LM201WE2
Liquid Crystal Display
Product Specification
6. Color shift is the angle at which the color difference is lower than 0.04.
- Color difference( u'v')
4x 9y
u'= v'=
-2x + 12y + 3 -2x + 12y +3
u'1, v'1 : u'v' value at viewing angle direction
u'v' = (u'1-u'2)2+(v'1-v'2)2 u'2, v'2 : u'v' value at front ( =0)
- Pattern size : 25% Box size
- Viewing angle direction of color shift : Horizontal, Vertical
T= 0
I= 90 z A
yu
(12:00)
T 25% Box size
I
I = 180 I= 0
xl
(9:00) (3:00) xr
TFT LCD I = 270
z yd
MODULE (6:00)
Viewing angle direction
Average RGB values in Bruce RGB for Macbeth Chart
Dark skin Light skin Blue sky Foliage Blue flower Bluish green
R 98 206 85 77 129 114
G 56 142 112 102 118 199
B 45 123 161 46 185 178
Orange Purplish blue Moderate red Purple Yellow green Orange yellow
R 219 56 211 76 160 230
G 104 69 67 39 193 162
B 24 174 87 86 58 29
Blue Green Red Yellow Magenta cyan
R 26 72 197 241 207 35
G 32 148 27 212 62 126
B 145 65 37 36 151 172
White Neutral 8 Neutral 6.5 Neutral 5 Neutral 3.5 black
R 240 206 155 110 63 22
G 240 206 155 110 63 22
B 240 206 155 110 63 22
Ver. 0.2 September.22. 2005 20 / 29
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LM201WE2
Liquid Crystal Display
Product Specification
7. Viewing angle(general) is the angle at which the contrast ratio is greater than 10.
8. Effective viewing angle is the angle at which the gamma shift of gray scale is lower than 0.3.
L aV r Lb log( L Lb ) r log(V ) log(a )
Here the Parameter and relate the signal level V to the luminance L.
The GAMMA we calculate from the log-log representation (Fig. 2)
9. Gray scale specification
Gamma Value is approximately 2.2. For more information see Table 10.
- Measure Condition : DCR Off
Table 10. Gray Scale Specification
Gray Level Relative Luminance [%] (Typ.)
0 0.3
31 1.1
63 4.57
95 11.3
127 21.4
159 35.2
191 52.8
223 74.4
255 100
Ver. 0.2 September.22. 2005 21 / 29
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LM201WE2
Liquid Crystal Display
Product Specification
5. Mechanical Characteristics
The contents provide general mechanical characteristics. In addition the figures in the next page are detailed
mechanical drawing of the LCD.
Horizontal 461.4mm
Outline Dimension Vertical 296.8mm
Depth 36.9mm
Horizontal 438.4mm
Bezel Area
Vertical 275.9mm