SPEC No.
LCY-12T09303B
MODEL No.
LS013B4DN02
PAGE
21
7. Optical characteristics
Table
7-1
Ta=25
℃
Item Symbol
MIN.
TYP.
MAX.
unit
Remark
H
θ
21,
θ
22 60
°(degree)
θ
11 60
°(degree)
Viewing angle
CR
≧
3
V
θ
12 60
°(degree)
[Remark7-1]
Contrast ratio
CR.
5
10
[Remark7-2
、
3]
Reflecivity ratio
R
50
%
[Remark7-3]
Rise
τ
r 50
ms
Response time
Fall
τ
d 50 ms
[Remark 7-3,4]
x
0.313
[Remark7-3]
Panel
Chromaticity
White
y
0.338
[Remark7-3] Optical characteristics measurement equipment.
Figure 7-2 is for contrast ratio, reflectivity ratio, and panel chromaticity measurement, and figure 7-3 is for
response time measurement. Both are to be conducted in a dark or room equipment to a dark room
Measurement equipment
(LCD-5200)
Measurement equipment
(CM-2002)
Normal line
Normal line
LCD panel
Light source
-30
°
Light
receiver
Light receiver
Light source
Integrating
sphere
LCD panel
Display center
Display center
Fig7-2 Contrast ratio, Reflection ratio, Panel chromaticity of white Fig7-3 response time