Product Specification
LC201V02
Liquid Crystal Display
4. Optical Specification
Optical characteristics are determined after the unit has been ‘ON’ for 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
Φ and θ equal to 0 °.
FIG. 1 presents additional information concerning the measurement equipment and method.
Optical Stage(x,y)
LCD Module
Pritchard 880 or
equivalent
50cm
FIG. 1 Optical Characteristic Measurement Equipment and Method
Table 10. OPTICAL CHARACTERISTICS
Parameter
Symbol
Contrast Ratio
CR
Surface Luminance, white
Luminance Variation
Response Time
Rise Time
Decay Time
RED
LWH
δ WHITE 5P
TrR
TrD
Rx
Ry
Gx
GREEN
Color Coordinates
Gy
[CIE1931]
Bx
BLUE
By
Wx
WHITE
Wy
Viewing Angle (CR>10)
x axis, right(φ=0°)
θr
x axis, left (φ=180°)
θl
y axis, up (φ=90°)
θu
y axis, down (φ=270°)
θd
Gray Scale
Ta= 25°C, VLCD=12.0V, fV=60HzDclk=25MHz, IBL=7mA
Values
Min
Typ
Max
280
350
-
380
450
-
Units
cd/m2
Notes
1
2
1.3
3
-
15
25
ms
4
-
15
25
ms
4
0.629
0.335
0.289
Typ
-0.03
0.583
0.143
Typ
+0.03
0.090
0.289
0.304
85
88
85
88
85
88
85
88
-
degree
5
6
Ver. 0.1
Jan. 17, 2003
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