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PDF LC420EUF-PEF1 Data sheet ( Hoja de datos )
| Número de pieza | LC420EUF-PEF1 | |
| Descripción | WUXGA TFT LCD | |
| Fabricantes | LG | |
| Logotipo |  |
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Product Specification
SPECIFICATION
FOR
APPROVAL
LC420EUF
( ) Preliminary Specification
( ● ) Final Specification
Title
42.0” WUXGA TFT LCD
BUYER
MODEL
TP VISION
SUPPLIER
LG Display Co., Ltd.
*MODEL
LC420EUF
SUFFIX
PEF1 (RoHS Verified)
*When you obtain standard approval,
please use the above model name without suffix
APPROVED BY
/
SIGNATURE
DATE
APPROVED BY
H.S. Song / Team Leader
SIGNATURE
DATE
REVIEWED BY
/ D.W. Lee / Project Leader
/
Please return 1 copy for your confirmation with
your signature and comments.
Ver. 1.0
PREPARED BY
C.H. Yu / Engineer
TV Product Development Dept.
LG Display Co., Ltd.
1 /43
1 page  
Product Specification
LC420EUF
2. Absolute Maximum Ratings
The following items are maximum values which, if exceeded, may cause faulty operation or permanent damage
to the LCD module.
Table 1. ABSOLUTE MAXIMUM RATINGS
Parameter
Value
Symbol
Unit Note
Min Max
Power Input Voltage LCD Circuit
LED Input Voltage
Forward Voltage
T-Con Option Selection Voltage
Operating Temperature
Storage Temperature
Panel Front Temperature
Operating Ambient Humidity
Storage Humidity
VLCD
VF
VLOGIC
TOP
TST
TSUR
HOP
HST
-0.3
-
-0.3
0
-20
-
10
10
+14.0
+71.2
+4.0
+50
+60
+68
90
90
VDC
VDC
VDC
°C
°C
°C
%RH
%RH
1
2,3
4
2,3
Note1. Ambient temperature condition (Ta = 25 ± 2 °C )
2. Temperature and relative humidity range are shown in the figure below.
Wet bulb temperature should be Max 39°C, and no condensation of water.
3. Gravity mura can be guaranteed below 40°C condition.
4. The maximum operating temperatures is based on the test condition that the surface temperature
of display area is less than or equal to 68°C with LCD module alone in a temperature controlled chamber.
Thermal management should be considered in final product design to prevent the surface temperature of
display area from being over 68℃. The range of operating temperature may be degraded in case of
improper thermal management in final product design.
90%
60
60%
Wet Bulb
Temperature [°C]
50
40
30
20
10
0
40%
10%
Storage
Operation
Ver. 1.0
-20 0 10 20 30 40 50 60 70 80
Dry Bulb Temperature [°C]
5 /43
5 Page 
Product Specification
LC420EUF
3-3. Signal Timing Specifications
Table 6 shows the signal timing required at the input of the LVDS transmitter. All of the interface signal
timings should be satisfied with the following specification for normal operation.
Table 6. TIMING TABLE (DE Only Mode)
ITEM
Symbol
Min
Typ
Max Unit
Note
Horizontal
Vertical
Display
Period
Blank
Total
Display
Period
Blank
Total
tHV
tHB
tHP
tVV
tVB
tVP
480
40
520
1080
20
(228)
1100
(1308)
480
70
550
1080
45
(270)
1125
(1350)
480
200
680
1080
86
(300)
1166
(1380)
tCLK
tCLK
tCLK
Lines
Lines
Lines
1920 / 4
1
1
ITEM
DCLK
Frequency
Horizontal
Vertical
Symbol
fCLK
fH
fV
Min
66.97
121.8
108
(95)
Typ
74.25
135
120
(100)
Max
78.00
140
122
(104)
Unit
MHz
KHz
Hz
Note
2
2
NTSC
(PAL)
Note: 1. The input of HSYNC & VSYNC signal does not have an effect on normal operation (DE Only Mode).
If you use spread spectrum of 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
※ Timing should be set based on clock frequency.
Ver. 1.0
11 /43
11 Page | ||
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