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4. Optical Specification
Optical characteristics are determined after the unit has been 'ON' and stable in a dark environment at
25±2°C. The values are specified 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.
Optical Stage(x,y)
FIG. 1 Optical Characteristic Measurement Equipment and Method
Table 13. OPTICAL CHARACTERISTICS
Parameter
Contrast Ratio
Surface Luminance, white
Luminance Variation
Rise Time
Response Time
Decay Time
(Gray to Gray)
RED
GREEN
Color Coordinates
[CIE1931]
BLUE
WHITE
Viewing Angle (CR>10)
x axis, right(φ=0°)
x axis, left (φ=180°)
y axis, up (φ=90°)
y axis, down (φ=270°)
Gray Scale
Ver. 1.0
Product Specification
LCD Module
50cm
Ta= 25
Symbol
Min
CR
600
CR with DCR
1200
L
400
WH
δ
5P
WHITE
Tr
R
Tr
D
G to G
Rx
Ry
Gx
Gy
Typ
-0.03
Bx
By
Wx
Wy
θr
85
θl
85
θu
85
θd
85
Without DCR
With DCR
91／125
±2°C
, V
=12.0V, f
LCD
Value
Typ
Max
800
1600
500
1.3
-
8
12
10
14
-
8
12
0.630
0.343
0.275
0.607
Typ
+0.03
0.147
0.068
0.281
0.293
89
89
89
89
LC420W02
Liquid Crystal Display
Pritchard 880 or
equivalent
=60Hz, Dclk=72.4MHz, V
V
Unit
2
cd/m
ms
-
-
degree
-
-
=3.3V
BR
Note
1
2
3
4
5
6
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