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Global LCD Panel Exchange Center www.panelook.com
LC420WUN
Product Specification
SPECIFICATION
FOR
APPROVAL
( ) Preliminary Specification
( ) Final Specification
Title 42.0" WUXGA TFT LCD
BUYER General SUPPLIER LG DISPLAY Co., Ltd.
MODEL *MODEL LD420WUN
SUFFIX SDA1(RoHS Verified)
*When you obtain standard approval,
please use the above model name without suffix
SIGNATURE SIGNATURE
APPROVED BY APPROVED BY
DATE DATE
/ P.Y.Kim /Team Leader
REVIEWED BY
/ S. W. Yu / Manager
PREPARED BY
/ S.G.Park/ Engineer
Please return 1 copy for your confirmation with PD Product Development Dept.
your signature and comments. LG Display Co., Ltd
Ver0.0 1 / 35
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LC420WUN
Product Specification
CONTENTS
Number ITEM Page
COVER 1
CONTENTS 2
RECORD OF REVISIONS 3
1 GENERAL DESCRIPTION 4
2 ABSOLUTE MAXIMUM RATINGS 5
3 ELECTRICAL SPECIFICATIONS 6
3-1 ELECTRICAL CHARACTERISTICS 6
3-2 INTERFACE CONNECTIONS 8
3-3 SIGNAL TIMING SPECIFICATIONS 10
3-4 SIGNAL TIMING WAVEFORMS 11
3-5 COLOR DATA REFERENCE 14
3-6 POWER SEQUENCE 15
4 OPTICAL SPECIFICATIONS 17
5 MECHANICAL CHARACTERISTICS 21
6 RELIABILITY 24
7 INTERNATIONAL STANDARDS 25
7-1 SAFETY 25
7-2 EMC 25
8 PACKING 26
8-1 DESIGNATION OF LOT MARK 26
8-2 PACKING FORM 26
9 PRECAUTIONS 27
9-1 MOUNTING PRECAUTIONS 27
9-2 OPERATING PRECAUTIONS 27
9-3 ELECTROSTATIC DISCHARGE CONTROL 28
9-4 PRECAUTIONS FOR STRONG LIGHT EXPOSURE 28
9-5 STORAGE 28
9-6 HANDLING PRECAUTIONS FOR PROTECTION FILM 28
9-7 APPROPRIATE CONDITION FOR PUBLIC DISPLAY 28
Ver0.0 2 / 35
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LC420WUN
Product Specification
RECORD OF REVISIONS
Revision No. Revision Date Page Description
0.0 Apr. 20. 2011 - Preliminary Specification
Ver0.0 3 / 35
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LC420WUN
Product Specification
1. General Description
LD420WUN is a Color Active Matrix Liquid Crystal Display with an integral Cold Cathode Fluorescent
Lamp(CCFL) backlight system. The matrix employs a-Si Thin Film Transistor as the active element.
It is a transmissive type display operating in the normally black mode. It has a 42 inch diagonally measured
activ e di spl ay area with W UXGA resolution (1080 vertical by 1920 horizontal pixel array)
Each pixel is divided into Red, Green and Blue sub-pixels or dots which are arranged in vertical stripes.
Gray scale or the luminance of the sub-pixel color is determined with a 8bit or 10-bit gray scale signal for
each dot, thus presenting a palette of more than 1.06Billion of colors.
It has been designed to apply the 10-bit 2 port LVDS interface.
It is intended to support Public Display where high brightness, super wide viewing angle, high color gamut,
high color depth and fast moving picture response time are important.
Mini-LVDS(RGB)
EEPROM
Source Driver Circuit
SCL SDA S1 S1920
G1
LVDS LVDS 1,2 Timing Controller
2Port LVDS Rx + DGA + ODC
LVDS
Option
signal
Integrated Control TFT - LCD Panel
Select Signals (1920 RGB 1080 pixels)
CN1
Bit
(51pin) [Gate In Panel]
Select I2C
Power Circuit Power Signals G1080
+12.0V
Block
EXTVBR-B
3PinX1CN(High)
Status Inverter Back light Assembly
+24.0V, GND 3PinX1CN(High)
General Features
Active Screen Size 42.02 inches(1067.31mm) diagonal
Outline Dimension 956.4(H) x 549.4 (V) x 53.5 mm(D) (Typ.)
Pixel Pitch 0.4845 mm x 0.4845 mm
Pixel Format 1920 horiz. by 1080 vert. Pixels, RGB stripe arrangement
Color Depth 10bit (D) , 1.06Billon colors
Luminance, White 500 cd/m2 (Center 1point ,Typ.)
Viewing Angle (CR>10) Viewing angle free ( R/L 178 (Typ.), U/D 178 (Typ.))
Power Consumption Total 175.0 W (Typ.) (Logic = 7.0W, Inverter = 168W [VBR-A=1.65V] )
Weight 10.5Kg (Typ.)
Display Mode Transmissive mode, Normally black
Surface Treatment Hard coating(3H), Anti-glare treatment of the front polarizer(Haze10%)
Possible Display Type Landscape and Portrait Enabled
Ver0.0 4 / 35
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LC420WUN
Product Specification
2. Absolute Maximum Ratings
The following items are maximum values which, if exceeded, may cause faulty operation or damage to the
LCD module.
Table 1. ABSOLUTE MAXIMUM RATINGS
Value
Parameter Symbol Unit Remark
Min Max
Power LCM VLCD -0.3 +14.0 VDC at 25 ◦ Jabse Service Manual Search 2026 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo