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PDF LC420WX4-SLB1 Data sheet ( Hoja de datos )
| Número de pieza | LC420WX4-SLB1 | |
| Descripción | WXGA TFT LCD | |
| Fabricantes | LG | |
| Logotipo |  |
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Product Specification
SPECIFICATION
FOR
APPROVAL
LC420WX4
Liquid Crystal Display
( ) Preliminary Specification
( ) Final Specification
Title
BUYER
MODEL
TTE
42.0” WXGA TFT LCD
SUPPLIER
LG.Philips LCD Co., Ltd.
*MODEL
LC420WX4
SUFFIX
SLB1 (RoHS Verified)
*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.G. Jung / Engineer
Please return 1 copy for your confirmation with
your signature and comments.
Ver. 1.0
Nov.23, 2006
TV Product Development Dept.
LG. Philips LCD Co., Ltd
1 / 32
1 page  
Product Specification
LC420WX4
Liquid Crystal Display
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
TOP
TST
HOP
HST
Value
Min Max
-0.3 14.0
21.6 27.0
-0.3 3.6
-0.3 5.5
0.0 5.0
0 40
-20 50
10 90
10 90
Unit
VDC
VDC
VDC
-
-
%RH
%RH
Note : 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.
Remark
±
When operating
#7, #10, #27 Pin
Note 2
Note 1
Ver. 1.0
C
Nov.23, 2006
5 / 32
5 Page 
Product Specification
LC420WX4
Liquid Crystal Display
Table 7 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 7. TIMING TABLE for PAL (DE Only Mode)
ITEM
Symbol
Min
Typ Max Unit Note
Display
t tPeriod
HV
683
683
683
CLK 1366/2
Back
t tPorch
HBP
-
24
-
CLK
t tHorizontal
Front
Porch
HFP
-
32
-
CLK
t tBlank
HB
64
80
96
CLK 1
t tTotal HP 747 763 779 CLK
tDisplay
Period
VV
768
768
768 Lines
Back
Porch
tVBP
-
10
- Lines
tVertical
Front
Porch
VFP
-
7
- Lines
Blank
tVB
7
22
37 Lines
1
Total
tVP
775
790
805 Lines
ITEM
Symbol
Min
Typ Max Unit Note
fDCLK
CLK
56
60.4
67 MHz
fFrequency Horizontal
H
74
79
84 KHz
2
fVertical
V
97
100 103 Hz
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.
3. Timing should be set based on clock frequency.
Ver. 1.0
Nov.23, 2006
11 / 32
11 Page | ||
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