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 CR≧10
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
-ms
【Note
3,4
】
Time Decay
τd -
40
-ms
Chromaticity of White
x-
0.313
-【Note4】
y-
0.329
-
Luminance of white
Y
L
280 350
-
cd/m
2
White Unifomity
δ
W
--
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-LCD module
400mm
Field=2°
LCD panel
05-Oct-2005










