LB121S03
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°C. The values specified are at an approximate distance 50cm from the LCD surface
at a viewing angle of F and Q equal to 0°.
FIG. 1 presents additional information concerning the measurement equipment and method.
FIG. 1 Optical Characteristic Measurement Equipment and Method
LCD Module
Pritchard 880 or
equivalent
Optical Stage(x,y)
50cm
Table 8. OPTICAL CHARACTERISTICS
Ta=25°C, VCC=3.3V, fV=60Hz, Dclk= 38.5MHz, VIN=3.3V, IL=6.0mA
Values
Parameter
Symbol
Units
Notes
Min
400
300
-
Typ
500
400
1.25
MAx
Contrast Ratio
CR
LWH
-
-
1
2
3
4
Surface Luminance, white
Luminance Variation
Response Time
cd/m2
d WHITE
1.45
Rise Time
TrR
TrD
-
-
10
15
20
30
ms
ms
Decay Time
RED
Color Coordinates
RX
RY
GX
GY
BX
0. 571
0. 314
0. 302
0. 508
0. 117
0. 601
0. 344
0. 332
0. 538
0. 147
0. 631
0. 374
0. 362
0. 568
0. 177
GREEN
BLUE
BY
0. 143
0. 310
0. 173
0. 340
0. 203
0. 370
WHITE
WX
WY
0. 316
0. 346
0. 376
Viewing Angle
5
x axis, right(F =0°)
x axis, left (F =180°)
y axis, up (F =90°)
y axis, down (F =270°)
Qr
Ql
60
60
45
55
65
65
50
60
-
-
-
-
degree
degree
degree
degree
Qu
Qd
12 / 23
Ver. 0.0
Feb. 27, 2006
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LG [ LG SEMICON CO.,LTD. ]
