LQ035Q7DH01 Datasheet, PDF (15/24 Pages) Sharp Electrionic Components – TFT-LCD Module

(9)Optical characteristics
9-1)Not driving the Back light condition
Table 11
(VSHA=+5V, VSHD=+3.3V, VDD=+15V, VEE=-10V ,Ta=25 )
Parameter
Viewing angle
range
Contrast ratio
Response Rise
time
Fall
White chromaticity
Symbol
θ21,22
θ11
θ12
CRmax
τr
τd
x
Condition
CR≥2
θ =0°
θ =0°
Min
Typ Max
Unit Remarks
35
50
-
degree [Note 9-1,2]
35
50
-
degree
35
50
-
degree
3
4
-
[Note 9-2,4]
-
30
60
ms [Note 9-3]
-
50
100
ms
0.27
0.32 0.37
[Note 9-4]
y
Reflection ratio
R
θ =0°
0.30
0.35 0.40
2.5
4
-
% [Note 9-5]
* The measuring method of the optical characteristics is shown by the following figure.
* A measurement device is Otsuka luminance meter LCD5000.(With the diffusion reflection unit.)
Normal line
Photodetector
Chemical coated surface
(with luminosity correction system)
(Optical diffusion treatment)
A diffusion beam
A diffusion beam
A beam
(through an optical fiber)
Touch panel
Module
Center of display
Measuring method (a) for optical characteristics