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PDF LB070WQ4-TM03 Data sheet ( Hoja de datos )
| Número de pieza | LB070WQ4-TM03 | |
| Descripción | TFT LCD | |
| Fabricantes | LG | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LB070WQ4-TM03 (archivo pdf) en la parte inferior de esta página. Total 26 Páginas | ||
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Product Specification
SPECIFICATION
FOR
APPROVAL
LB070WQ4
Liquid Crystal Display
( ) Preliminary Specification
( ) Final Specification
Title
BUYER
MODEL
7.0”W (480 X RGB X 234) TFT-LCD
SUPPLIER
MODEL
SUFFIX
*Without Tcon
LG.Philips LCD Co., Ltd.
LB070WQ4
* TM03
SIGNATURE
/
/
/
DATE
APPROVED BY
DATE
J.D. KIM / Chief Engineer
REVIEWED BY
S.G.KIM / Senior Engineer
PREPARED BY
Y.B. PARK / Engineer
Product Engineering Dept.
LG. Philips LCD Co., Ltd
Ver 0.0
Apr. 14. 2008
1 / 26
1 page  
Product Specification
4. Interface (Input terminal)
4-1. TFT-LCD Panel Driving Part (CN1)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
SYMBOL
VSS
NC
VGL
STV1
U/D
CPV
OE1
OE2
OE3
STV2
VDD1
NC
VGH
NC
VCOM
STH2
VDD2
VR
VG
VB
VSS
CPH1
CPH2
CPH3
VSS
MODE
L/R
SOE
STH1
VSS
FUNCTION
Ground For Logic Circuit
Open
Gate Driver Negative Voltage
Gate Start Signal1
Up/Down Scanning Selection
Gate Driver Scanning Clock Pulse
Gate Driver Output Enable1
Gate Driver Output Enable2
Gate Driver Output Enable3
Gate Start Signal2
Power Line For Logic
Open
Gate Driver Positive Voltage
Open
Voltage Applied To Color Filter Substrate
Source Start Signal2
Power Line For Source Driver IC
Red Analog Video Signal
Green Analog Video Signal
Blue Analog Video Signal
Ground For Analog Circuit
Source Driver Clock Signal1
Source Driver Clock Signal2
Source Driver Clock Signal3
Ground For Logic Circuit
Sampling Mode Change
Source Scanning Direction Change
Source Output Enable
Source Start Signal1
Ground For Logic Circuit
LB070WQ4
Liquid Crystal Display
REMARK
See 6-3> P.13
See 6-4> P.13
See 6-3> P.13
**The matching connector part number is GF053-30S-LSS(Bottom Contact Type) or GF055-30S-LSS
(Top Contact Type) manufactured by LG Cable Ltd. or equivalent.
Ver 0.0
Apr. 14. 2008
5 / 26
5 Page 
Product Specification
LB070WQ4
Liquid Crystal Display
* 3 : The “MAX” of “Kick-Off Voltage” means the minimum voltage for inverter to turn on the CCFL
normally in the LCD module. However this isn’t the values that we can assure stability of
starting lamp on condition that the module is installed in your set.
It should be careful that “Kick-Off Voltage” is changed by an increase of stray capacitance in
your set, inverter method, value of ballast capacitor in your inverter and so on.
Especially, the value of “Kick-Off Voltage” is higher in low temperature condition than in
normal temperature condition, because impedance of CCFL is increased.
"The voltage above Vs should be applied to the lamps for more than 1 second for start-up.
Otherwise, the lamps may not be turned on. The used lamp current is the lamp
typical current“
* 4 : The time needed to achieve not less than 95%brightness of the center part of lamp.
The brightness of the lamp after lighted for 5 minutes is defined as 100%.
* 5 : “Life time” is defined as the lamp brightness decrease to 50% original brightness at IBL=TYP;
continuous lighting, Ta=25 .
Requirements for a system inverter design, which is intended to have a better display performance, a
better power efficiency and a more reliable lamp, are following. It shall help increase the lamp lifetime
and reduce leakage current. Inverter should be designed to be subject to the conditions below
A. The asymmetry rate of the inverter waveform should be less than 10%.
B. The distortion rate of the waveform should be within √2 ± 10%.
* Inverter output waveform had better be more similar to ideal sine wave.
Ip
I -p
* Asymmetry rate:
( I p – I –p |) / Irms * 100%
•Distortion rate:
I p (or I –p) / Irms
C. There should not be any spikes in the waveform.
D. Lamp current should not exceed the “MAX” value under the “Operating Temperature” (it is
prohibited to exceed the “MAX.” value even if it is operated in the guaranteed temperature).
When lamp current exceed the maximum value for a long time, it may cause a smoking and
ignition.
Therefore, it is recommended that the inverter have the current limited circuit that is used as a
protection circuit and/or the lamp current-controlled inverter.
∗ Do not attach a conducting tape to lamp connecting wire.
If the lamp wire attach to a conducting tape, TFT-LCD Module has a low luminance and the inverter
has abnormal action. Because leakage current is occurred between lamp wire and conducting tape.
Ver 0.0
Apr. 14. 2008
11 / 26
11 Page | ||
| Páginas | Total 26 Páginas | |
| PDF Descargar | [ Datasheet LB070WQ4-TM03.PDF ] | |
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