LC230WX3
Liquid Crystal Display
Product Specification
4. Optical Specification
Optical characteristics are determined after the unit has been ‘ON’ for 30min 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 Φ and
θ equal to 0 °.
It is presented additional information concerning the measurement equipment and method in FIG. 1.
LCD Module
Pritchard 880 or
equivalent
Optical Stage(x,y)
50cm
FIG. 1 Optical Characteristic Measurement Equipment and Method
Ta= 25±2°C, VLCD=12.0V, fV=60Hz, Dclk=72MHz, Vbr-A =Max,
Table 12. OPTICAL CHARACTERISTICS
ExtVbr=100%
Value
Typ
Parameter
Contrast Ratio
Symbol
Unit
cd/m2
ms
Note
Min
600
350
Max
CR
800
1
2
3
Surface Luminance, white
Luminance Variation
LWH
450
δ WHITE
5P
1.6
16
16
Rise Time
TrR
TrD
Rx
Ry
Gx
Gy
Bx
-
-
9
Response Time
4
Decay Time
RED
9
0.637
0.337
0.276
0.605
0.146
0.062
0.272
0.278
GREEN
BLUE
Typ
Typ
Color Coordinates
[CIE1931]
-0.03
+0.03
By
WHITE
Wx
Wy
Viewing Angle (CR>10)
x axis, right(φ=0°)
θr
θl
85
85
85
85
89
89
89
89
2.2
-
-
-
-
x axis, left (φ=180°)
y axis, up (φ=90°)
degree
5
6
θu
θd
y axis, down (φ=270°)
Gray Scale
Ver.1.0
17 / 28
Nov.22, 2005
LG [ LG SEMICON CO.,LTD. ]
