And-tft-25xs-led-kit – Purdy AND-TFT-25XS-LED-KIT User Manual
Page 3
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
6/27/08
Tel: 408.523.8200 • Fax: 408.733.1287 • [email protected] • www.purdyelectronics.com
3
Block Diagrams
Power Consumption
Item
Symbol
Typ.
Unit
Remark
LCD Panel Power Consumption
–
31.82
mW
Note 5
Backlight Lamp Power Consumption
–
0.34
W
Note 6
Total Power Consumption
–
0.372
W
–
Note 5: The power consumption for backlight is not included
Note 6: Backlight power consumption is calculated by I
L
x V
L
.
Optical Specification
Item
Symbol
Condition
Min.
Typ.
Max.
Unit
Viewing Angle
Horizontal
θ
CR
≥
10
± 45
± 50
–
deg
Vertical
θ
(to 12 o’clock)
10
15
–
deg
θ
(to 6 o’clock)
30
35
–
deg
Contrast Ratio
CR
At optimized view-
ing angle
200
350
–
–
Response Time
Rise
T
r
θ
= 0º
–
15
30
–
Fall
T
f
–
25
50
ms
Transmission Ratio
T
7.3
7.8
8.3
%
Uniformity
U
65
70
–
Brightness
200
250
cd/m
2
White Chromaticity
X
θ
= 0º
0.280
0.310
0..340
Y
0.300
0.330
0.360
–
1000
5000
hrs
Note 5: The power consumption for backlight is not included
Note 6: Backlight power consumption is calculated by I
L
x V
L
.
AND-TFT-25XS-LED-KIT