Product Specification
1
LC420W02
Liquid Crystal Display
Ver. 1.1 August.12, 2004
4. Optical Specification
Optical characteristics are determined after the unit has been ‘ON’ and stable for approximately 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
Optical Stage(x,y)
Pritchard 880 or
equivalent
50cm
FIG.1 Optical Characteristic Measurement Equipment and Method
Ta= 25±2°C, V
LCD
=12.0V, fV=60Hz, Dclk=72MHz, VBR=3.3V
Table 12. OPTICAL CHARACTERISTICS
With AI
1,000700CR with AI
6
Without AI
Gray Scale
5P
y axis, down (φ=270°)
y axis, up (φ=90°)
x axis, left (φ=180°)
x axis, right(φ=0°)
-8885θd
-8885θu
-8885θl
5degree
-8885θr
Viewing Angle (CR>10)
WHITE
BLUE
GREEN
RED
0.610
Gy
0.282
Gx
0.073
By
0.147
Bx
0.293
Wy
0.281
Wx
Decay Time
Rise Time
ms1610-Tr
D
0.342
Ry
Typ
+0.03
0.639
Typ
-0.03
Rx
Color Coordinates
[CIE1931]
4
ms1610-Tr
R
Response Time
(Gray-to-Gray)
31.3δ
WHITE
Luminance Variation
2cd/m
2
500400L
WH
Surface Luminance, white
1
NoteUnit
400300CR
Contrast Ratio
MaxTypMin
Value
SymbolParameter