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PDF GWTW50SP9G1R0 Data sheet ( Hoja de datos )
| Número de pieza | GWTW50SP9G1R0 | |
| Descripción | Thin-Film-Transistor LCD Module | |
| Fabricantes | SGD | |
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JANProduct Specification
Model:
GWTW50SP9G1R0
Rev. No.
A
IssuewdwDw.aDtaeta. Sheet4UP.acogme.
JUL. 29, 09
1 / 20
Thin-Film-Transistor LCD Module
Model: GWTW50SP9G1R0
Acceptance
Solomon Goldentek Display Corp.
NO. 18 Ta-Yeh St., Ta-Fa Industrial Park,Ta-Liao
Hsiang, Kaohsiung Hsien 831, TAIWAN , R.O.C.
FAX: 886-7-7886800
Approved and Checked by
Approved by
David Lee
JUL/29/09
Checked by
Made by
David Lee Kobe Su
JUL/29/09 JUL/29/09
1 page  
JANProduct Specification
Model:
GWTW50SP9G1R0
Rev. No.
A
IssuewdwDw.aDtaeta. Sheet4UP.acogme.
JUL. 29, 09
5 / 20
3. Electrical Specifications
3.1 Absolute Max. Ratings
3.1.1 Absolute Ratings of Environment
If the operating condition exceeds the following absolute maximum ratings, the TFT LCD module may be
damaged permanently.
Item
Symbol
Min.
Max.
(Ta=25±2°C, VSS=GND=0)
Unit Note
Storage temperature
TSTG
-30
80 °C
(1)
Operating temperature
TOPR
-20
70 °C (1,2,3)
Note (1) 95 % RH Max. ( 40 °C ≥ Ta ). Maximum wet-bulb temperature at 39 °C or less. (Ta > 40 °C) No
condensation.
Note (2) In case of below 0°, the response time of liquid crystal (LC) becomes slower and the color of
panel becomes darker than normal one. Level of retardation depends on temperature, because
of LC's character
Note (3) Only operation is guarantied at operating temperature. Contrast, response time, another display
quality are evaluated at +25°C.
3.2 Electrical Absolute Rating
3.2.1 TFT LCD Module
Parameter
Power supply voltage
Signal input voltage
Symbol
VDD
Vi
Min. Max. Unit
-0.5 5.0 V
-0.3 VDD+0.3
V
Remark
--
--
3.2.2 Back-Light Unit
The Back-light system is an edge-lighting type with 14 white LED(Light Emitting Diode)s. The
characteristics of 14 white LEDs are shown in the following tables.
(Ta= Room Temp)
Characteristics
Symbol Min. Typ. Max. Unit Note
Current
Voltage
IL - 40 - mA (1)
VL
- 23.1 -
V (2)
Operating LED life time
Hr
10000
-
- Hour
Note (1) LEDS in 7 series x 2 parallel type.
(2) Where IL= 40mA, VL = 23.1
5 Page 
JANProduct Specification
Model:
GWTW50SP9G1R0
Rev. No.
A
IssuewdwDw.aDtaeta. Sheet4UP.acogme.
JUL. 29, 09 11 / 20
a. Test equipment setup
After stabilizing and leaving the panel alone shall be warmed up for the stable operation of LCM, the
measurement should be executed. Measurement should be executed in a stable, windless, and dark
room. Optical specifications are measured by Topcon BM-7A(fast) with a viewing angle of 2° at a
distance of 50cm and normal direction.
b. Definition of response time: Tr and Tf
The response time is defined as the following figure and shall be measured by switching the input
signal for “black” and “white”.
c. Definition of contrast ratio:
Brightness measured when LCD is at “white state”
Contrast Ratio (CR) = ⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯
Brightness measured when LCD is at “black state”
d. Measured at the center area of the panel when all the input terminals of LCD panel are electrically
opened.
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