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PDF LC420WU4-SLB1 Data sheet ( Hoja de datos )
| Número de pieza | LC420WU4-SLB1 | |
| Descripción | Display Module | |
| Fabricantes | LG | |
| Logotipo |  |
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LC420WU4
Liquid Crystal Display
Product Specification
SPECIFICATION
FOR
APPROVAL
( ) Preliminary Specification
( ● ) Final Specification
Title
BUYER
MODEL
General
42.0” WUXGA TFT LCD
SUPPLIER
LG.Philips LCD Co., Ltd.
*MODEL
LC420WU4
SUFFIX
SLB1
*When you obtain standard approval,
please use the above model name without suffix
APPROVED BY
/
SIGNATURE
DATE
APPROVED BY
SIGNATURE
DATE
J.H Yoon / Senior Manager
REVIEWED BY
/ J.T. KIM/ Manager
PREPARED BY
/ H.S. Kim/ Engineer
Please return 1 copy for your confirmation with
your signature and comments.
Ver. 1.0
Aug.21, 2007
TV Product Development Dept.
LG. Philips LCD Co., Ltd
1 / 29
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
www.DataSheet.co.kr
LC420WU4
Liquid Crystal Display
Product Specification
2. Absolute Maximum Ratings
The followings are maximum values which, if exceeded, may cause faulty operation or damage to the unit.
Table 1. ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
Power Input LCM
Voltage
Backlight inverter
Option input voltage(select)
ON/OFF Control Voltage
Brightness Control Voltage
Operating Temperature
Storage Temperature
Operating Ambient Humidity
Storage Humidity
VLCD
VBL
VI
VON/OFF
VBR-A
/Ext_PWM
TOP
TST
HOP
HST
Value
Min Max
-0.3 +14.0
-0.3 +28.0
-0.3 +3.6
-0.3 +5.5
0.0 +5.0
0 +50
-20 +60
10 90
10 90
Unit
VDC
VDC
VDC
VDC
VDC
℃
℃
%RH
%RH
Notes : 1. Temperature and relative humidity range are shown in the figure below.
Wet bulb temperature should be 39 °C Max. and no condensation of water.
2. Gravity mura can be guaranteed under 40℃condition.
Remark
at 25 ± 2 °C
When operating
#7 Pin(CN1)
Note 1,2
Note 1
90%
60
Wet Bulb
Temperature [°C]
20
10
0
40
30
50
60%
40%
10%
-20 0 10 20 30 40 50 60 70 80
Dry Bulb Temperature [°C]
Storage
Operation
Ver. 1.0
Aug.21, 2007
5 / 29
Datasheet pdf - http://www.DataSheet4U.net/
5 Page 
www.DataSheet.co.kr
LC420WU4
Liquid Crystal Display
Product Specification
3-3. Signal Timing Specifications
Table 6 shows the signal timing required at the input of the LVDS transmitter. All of the interface signal timing
should be satisfied with the following specification for normal operation.
Table 6. TIMING TABLE for NTSC/ATSC (DE Only Mode)
ITEM
Horizontal
Display
Period
Blank
Vertical
Total
Display
Period
Blank
Total
Symbol
tHV
tHB
tHP
tVV
tVB
tVP
Min
480
40
520
1080
10
1090
Typ
480
70
550
1080
45
1125
Max
480
200
680
1080
86
1166
Unit
tCLK
tCLK
tCLK
Lines
Lines
Lines
Note
1920/4
1
1
ITEM
DCLK
Frequency Horizontal
Vertical
Symbol
fCLK
fH
fV
Min
66.97
121.8
108.2
Typ
74.25
135
120
Max
75.00
136.4
121.2
Unit
MHz
KHz
Hz
Note
4port
2
2
Note : 1. The Input of HSYNC & VSYNC signal does not have an effect on normal operation(DE Only Mode).
If you use spread spectrum for EMI, add some additional clock to minimum value for clock margin.
2. The performance of the electro-optical characteristics may be influenced by variance of the vertical
refresh rate and the horizontal frequency.
Ver. 1.0
Aug.21, 2007
11 / 29
Datasheet pdf - http://www.DataSheet4U.net/
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