LQ231U1LW31 Datasheet, PDF (18/26 Pages) Sharp Electrionic Components – Product Specification

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9. Optical Characteristics
Ta=25ˆ, Vcc =+5.0V
Parameter
Symbol Condition Min. Typ. Max. Unit
Viewing Horizontal В21,В22
85
ʵ
ʵ
Deg.
angle
Vertical
В11,В12 CRʼ10
85
ʵ
ʵ
Deg.
range _{All direction}
В
ʵ
80
ʵ
Deg.
Remark
Contrast ratio
CRn Optimum 350
600
ʵ
ʲNote2,4ʳ
viewing
angle
Response Time
Нr+Нd
(BlackË WhiteË Black)
ʵ
12
ʵ
ms ʲNote3(Condition2),4,5ʳ
Response Time
Нavg
ʵ
8
ʵ
ms Average response time
Rise or decay
(Gray scale)
Chromaticity of
x
White
y
0.257
0.290ç
0.292ç
0.315ç
0.337ç
0.370ç
ʲNote4ʳ
Chromaticity of
Red
x
В=0˃
ʵç 0.629ç ʵç
y
ʵç 0.362ç ʵç
Chromaticity of
x
Green
y
ʵç 0.322ç ʵç
ʵç 0.610ç ʵç
Chromaticity of
x
Blue
y
Luminance of white
YLI
ʵç 0.149ç ʵç
ʵç 0.108ç ʵç
400
500
ʵ
cd/m²
ʲNote4ʳ
White Uniformity
Ўw
ʵ
ʵ
1.33
ʲNote5ʳ
˞The measurement shall be executed 30 minutes after lighting at rating.
The optical characteristics shall be measured in a dark room or equivalent state with the method shown
in Fig.9 below.
Photodetector
Response Time (BM-5A)
Contrast ratio/Luminance/
Photodetector(EZ-CONTRASTÊ£
̐̌̌mm
Chromaticity (SR-3)
Field=1°
Center of screen (θ=0°ʣ
Center of screen(θ=0°)
TFT-LCD-Modul
TFT-LCD-Module
Fig9-1 Viewing angle measurement method
Fig9-2 Luminance/Contrast ratio/Response time/Chromaticity
Fig9 Optical characteristics measurement method
measurement method