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9. Optical Characteristics
Parameter
Viewing
Vertical
range
Angle
Horizontal
Contrast ratio
Response
Rise
Time
Decay
Chromaticity of
white
Chromaticity of
red
Chromaticity of
green
Chromaticity of
blue
Luminance of white
White Uniformity
※
The measurement shall be executed 30 minutes after
The optical characteristics shall be measured in a dark room or equivalent state with the method
shown in Fig.2 below.
Photodetector(EZ-CONTRAST）
Center of screen(θ=0°）
TFT-LCD-Module
Fig2-1 Viewing angle measurement method
Fig2 Optical characteristics measurement method
Symbol
Condition
θ11
CR≧10
θ12
θ21,θ22
ＣＲ
θ=0°
τd
τr
Wx
Wy
Rx
Ry
Gx
Gy
Bx
By
Y
L
δw
Fig2-2 Luminance/Contrast ratio/Response time/Chromaticity
Min.
Typ.
Max.
－
70
85
－
70
85
－
70
85
－
－
350
－
5
25
－
20
50
0.283
0.313
0.343
0.329
0.299
0.359
0.608
0.638
0.668
0.339
0.309
0.369
0.250
0.280
0.310
0.600
0.570
0.630
0.114
0.144
0.174
0.087
0.057
0.117
－
180
220
－
－
1.25
ghting at rating.
li
４００mm
Field=２°
Center of screen(θ=0°)
TFT-LCD-Module
LD-14115-14
Ta=25℃, Vcc =+12V
Unit
Remark
【Note1,4】
Deg.
Deg
Deg.
【Note2,4】
ｍｓ
【Note3,4】
ｍｓ
－
【Note4】
－
－
－
－
－
－
－
2
cd/m
IL=6.0mA rms
【Note4】
－
【Note5】
Photodetector
Contrast ratio/Response Time(BM-5A)
Luminance(BM-7)
Chromaticity(SR-1)
measurement method
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