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LC420WUE
Product Specification
SPECIFICATION
FOR
APPROVAL
( ) Preliminary Specification
( ) Final Specification
Title 42.0" WUXGA TFT LCD
BUYER SUPPLIER RAKEN Co., Ltd.
MODEL *MODEL LC420WUE
SUFFIX SCR1 (RoHS Verified)
*When you obtain standard approval,
please use the above model name without
suffix
SIGNATURE SIGNATURE
APPROVED BY APPROVED BY
DATE DATE
/ Chalie / Team Leader
REVIEWED BY
/ Robert / PM
PREPARED BY
/ Terry & Danny / Engineer
Please return 1 copy for your confirmation with LCM R&D Dept.
your signature and comments. RAKEN Co., Ltd
Ver. 1.0 1 /43
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LC420WUE
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 10
3-3 SIGNAL TIMING SPECIFICATIONS 12
3-4 LVDS SIGNAL SPECIFICATIONS 13
3-5 COLOR DATA REFERENCE 16
3-6 POWER SEQUENCE 17
4 OPTICAL SPECIFICATIONS 18
5 MECHANICAL CHARACTERISTICS 22
6 RELIABILITY 25
7 INTERNATIONAL STANDARDS 26
7-1 SAFETY 26
7-2 EMC 26
7-3 Environment 26
8 PACKING 27
8-1 INFORMATION OF LCM LABEL 27
8-2 PACKING FORM 27
9 PRECAUTIONS 28
9-1 MOUNTING PRECAUTIONS 28
9-2 OPERATING PRECAUTIONS 28
9-3
93 ELECTROSTATIC DISCHARGE CONTROL 29
9-4 PRECAUTIONS FOR STRONG LIGHT EXPOSURE 29
9-5 STORAGE 29
9-6 HANDLING PRECAUTIONS FOR PROTECTION FILM 29
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LC420WUE
Product Specification
RECORD OF REVISIONS
Revision No. Revision Date Page Description
1.0 Aug. 06. 2010 - Final Specification
Ver. 1.0 3 /43
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LC420WUE
Product Specification
1. General Description
The LC420WUE is a Color Active Matrix Liquid Crystal Display with an integral External Electrode Fluorescent
Lamp(EEFL) backlight system. The matrix employs a-Si Thin Film Transistor as the active element.
It is a transmissive display type which is operating in the normally black mode. It has a 42.02 inch diagonally
measured active display area with WUXGA resolution (1080 vertical by 1920 horizontal pixel array).
Each pixel is divided into Red, Green and Blue sub-pixels or dots which are arrayed in vertical stripes.
Gray scale or the luminance of the sub-pixel color is determined with a 10-bit gray scale signal for each dot.
Therefore, it can present a palette of more than 1.06BilionM(true) colors.
It has been designed to apply the 10-bit 2-port LVDS interface.
It is intended to support LCD TV PCTV where high brightness super wide viewing angle high color gamut
TV, brightness, angle, gamut,
high color depth and fast response time are important.
Mini-LVDS(RGB)
EEPROM
Source Driver Circuit
OPC Enable
ExtVBR-B SCL SDA S1 S1920
VBR-B out G1
LVDS LVDS 1,2 Timing Controller
g
2Port LVDS Rx + OPC + DGA + ODC
LVDS
Option Integrated Control TFT - LCD Panel
signal
Select Signals (1920 RGB 1080 pixels)
CN1
Bit
(51pin) [Gate In Panel]
Select I2C
Power Circuit Power Signals G1080
+12.0V
Block
High Input CN3, 3pin, 16 Lamps/@136 mA
Back light Assembly
High Input CN4, 3pin, 16 Lamps/@136 mA
General Features
Active Screen Size 42.02 inches(1067.31mm) diagonal
Outline Dimension 983.0(H) x 576.0 (V) x 35.5mm(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 (Min.), U/D 178 (Min.))
p
Power Consumption Total 157 W (TYP.) ( g
( ) (Logic=7.8W, Inverter=149W )
Weight 8.7 Kg (TYP.)
Display Mode Transmissive mode, Normally black
Surface Treatment Hard coating(3H), Anti-glare treatment of the front polarizer (Haze 10%)
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LC420WUE
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 Note
Min Max
Power Input Voltage LCD Circuit VLCD -0.3 +14.0 VDC
Operating Voltage 1
Backlight Input Voltage VBL 600 1150 VRMS
( One Side )
T-Con Option Selection Voltage VLOGIC -0.3 +4.0 VDC
Operating Temperature TOP 0 +50 C
2,3
Storage Temperature TST -20 +60 C
Panel Front Temperature TSUR - +68 C 4
Operating Ambient Humidity HOP 10 90 %RH
2,3
Storage Humidity HST 10 90 %RH
Note1. Ambient temperature condition (Ta = 25 r 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
3 G it mura can be guaranteed below 40 C condition.
b t db l diti
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 degraded in case of
improper thermal management in final product design.
90%
60
60%
50 Storage
Humidity [(%)RH]
Wet Bulb
Temperature [ C]
40
40%
Operation
30
20
10
0
10%
-20 0 10 20 30 40 50 60 70 80
Dry Bulb Temperature [ C]
Ver. 1.0 5 /43
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LC420WUE
Product Specification
3. Electrical Specifications
3-1. El t i l Ch
3 1 Electrical Characteristics
t i ti
It requires two power inputs. One is employed to power for the LCD circuit. The other Is used for the EEFL
backlight and inverter circuit.
Table 2. ELECTRICAL CHARACTERISTICS
Value
Parameter Symbol Unit Note
Min Typ Max
Circuit :
Power Input Voltage VLCD 10.8 12.0 13.2 VDC
455 650 845 mA 1
Power Input Current ILCD
668 955 1240 mA 2
Power Consumption PLCD 7.8
78 Watt 1
Rush current IRUSH - - 3.0 A 3
Note 1. The specified current and power consumption are under the VLCD=12.0V, Ta=25 r 2 C, fV=60Hz
condition whereas mosaic pattern(8 x 6) is displayed and fV is the frame frequency.
2. The current is specified at the maximum current pattern.
3. The duration of rush current is about 2ms and rising time of power input is 0.5ms (min.).
White : 1023 Gray
Black : 0 Gray
Mosaic Pattern(8 x 6)
Ver. 1.0 6 /43
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LC420WUE
Product Specification
Table 3. ELECTRICAL CHARACTERISTICS (Continue)
Values
V l
Parameter Symbol Unit Note
Min Typ Max
Backlight Assembly :
Operating Voltage
VBL 936 1040 1144 VRMS 1, 2
(one side, fBL=45KHz, IBL=136 mARMS )
Operating Current (one side) IBL - 136 - mARMS 1
Striking Voltage @0
VOPEN 1125 - 1350 VRMS 1, 3
( p
(Open Lamp Voltage @ one side)
p g )
Operating Frequency fBL 43 45 47 kHz 4
Striking Time S TIME 1.5 - - sec 3
Power Consumption PBL - 149 - Watt 6
Burst Dimming Duty {a/T} * 100 20 100 % 9
Burst Dimming Frequency 1/T 95 182 Hz 9
Values
Parameter Symbol Unit Note
Min Typ Max
Lamp : (APPENDIX-V)
Lamp Voltage (one side) VLAMP 750 1075 1105 VRMS 1, 2
Lamp Current (one side) ILAMP 3 8.5 9 mARMS 1
Discharge Stabilization Time TS - - 3 Min 1, 5
L Frequency
Lamp F f LAMP 43 45 47 KHz
KH
Established Starting Voltage @ 0 VS 1125 VRMS 1, 3
Life Time 50,000 60,000 Hrs 7
Note : The design of the inverter must have specifications for the lamp in LCD Assembly.
The electrical characteristics of inverter are based on High-High Driving type.
The performance of the lamps in LCM for example life time or brightness is extremely influenced by the
LCM, brightness,
characteristics of the DC-AC inverter. So, all the parameters of an inverter should be carefully designed so
as not to produce too much leakage current from high-voltage output of the inverter.
When you design or order the inverter, please make sure unwanted lighting caused by the mismatch of the
lamp and the inverter (no lighting, flicker, etc) has never been occurred. When you confirm it, the LCD
