Displays – Purdy AND064VT8-HB-LED-KIT User Manual
Page 2
Displays
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
Tel: 408-523-8200 • Fax: 408-733-1287 • [email protected] •
www.purdyelectronics.com
02/07/11
2
AND064VT8-HB-LED-KIT
High Bright TFT LCD Color Module
Item
Symbol
Specifications
Unit
Remark
Min.
Typ.
Max.
Supply Voltage
VCC
4.75
5.0
5.25
V
Current Dissipation
ICC
–
100
120
mA
VCC=+5V
Power Consumption
PCC
–
0.5
0.63
W
Supply Input Ripple Voltage
VCCRP
–
–
0.1
Vp-p
VCC=+5V
Input Signals Voltage (High)
VIH
+2.6
–
–
V
Input Signals Voltage (Low)
VIL
–
–
+0.5
V
Electrical Characteristics - Recommended Operation Condition for TFT-LCD Panel (Ta = 25ºC)
Recommended Operating Conditions for Backlight
(Ta = 25 ºC)
Item
Symbol
Min.
Typ.
Max.
Units
Remarks
Supply Voltage for LED Backlight
VLED
–
–
(11)
V
Note 1
Supply Current for LED Backlight
ILED
–
17.5
–
mA
Note 2
Backlight Power Consumption
PLED
–
–
3.08
W
Note 1, 3
Note 1: ILED = 17.5 mA, constant current
Note 2: The LED driving condition is defined for each LED module. (3 LED Serial)
Input current = 17.5 mA * 8 = 140 mA
Note 3: PLED = (VLD-1 * ILED-1 + VLED-2 * ILED-2 .... + VLED-7 + ILED-7 + VLED-8) *2 (light bar)
Optical Specifications
(Ta = 25 ºC)
Item
Symbol
Remarks
Min.
Specifications
Typ.
Max.
Units
Viewing Angle
Horizontal
θ 21, θ 22
CR ≥ 10
55
60
–
deg
Vertical
θ
12
35
40
–
θ
11
50
55
–
Contrast Ratio
Luminance when LCD is white
Luminance when LCD i black
CR
At optimized
viewing angle
200
400
–
–
Response Time
Rise
Tr
θ
= 0º
–
15
30
ms
Fall
Tf
θ
= 0º
–
25
50
Brightness
LUM
θ
= 0º
350
400
–
cd/m
2
Uniformity
U
θ
= 0º
75
80
–
%
Cross Talk
–
θ
= 0º
–
–
3.5
%
White Chhromaticity
X
θ
= 0º
0.27
0.31
0.35
–
Y
0.29
0.33
0.37
LED Life Time
Ta = 25 ºC
–
+25 ºC
20,000
30,000
–
hrs