Programming instructions

LD14304-10
9. Optical Characteristics Ta=25, Vcc=+3.3V or +5V
Parameter Symbol Condition Min Typ Max Unit Remark
Viewing Horizontal
θ21,θ22 CR10
60 70
Deg.
Note1,4
Angle Vertical
θ11
35 40
Deg.
Range
θ12
55 70
Deg.
θ=0°
150
---
Contrast ratio CR
Best
Viewing
Angle
300
--
Note2,4
Response Rise
τr θ=0°-
20
-m
Note
3,4
Time Decay
τd
40
-m
Chromaticity of White
x-
0.313
-【Note4
y-
0.329
Luminance of white
280 350
cd/m
2
White Unifomity
δ
--
1.45
-【Note5
Horizontal
θ21,θ22
35
Deg.
θ11
25
Deg.
Viewing Angle
range as a
Brightness
Definition
Vertical
θ12
50% of the
maximum
brightness
30
Deg.
Note1
(Reference value
The measurement shall be executed 30 minutes after
li
ghting at
rating.
(typical condition:I
L
=
6.0mArms)
The optical characteristics shall be measured in a dark room or equivalent state
with the method shown in Fig.3 below.
Photodetector (BM-5A:TOPCON)
Fig.3 Optical characteristics measurement method
Center of the screen
TFT-LC module
400mm
Field=2°
LCD panel
05-Oct-2005