Datasheet
SPEC No.
LCP-1109027
MODEL No.
LS013B4DN04
PAGE
21
7. Optical characteristics
Table 7-1 Ta=25℃
Item Symbol MIN. TYP. MAX. unit Remark
H θ21,θ22 60 °(degree)
θ11 60 °(degree)
Viewing angle
CR≧3
V
θ12 60 °(degree)
[Remark7-1]
Contrast ratio CR. 5 10 [Remark7-2、3]
Reflecivity ratio R 50 % [Remark7-3]
Rise τr 50 ms Response time
Fall τd 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 equivalent 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