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LC420W02
Liquid Crystal Display
Product Specification
SPECIFICATION
FOR
APPROVAL
( ) Preliminary Specification
( ) Final Specification
Title 42.0" WXGA TFT LCD
BUYER SUPPLIER LG.Philips LCD Co., Ltd.
MODEL - *MODEL LC420W02
MODEL A4K3
*When you obtain standard approval,
please use the above model name without suffix
SIGNATURE SIGNATURE
APPROVED BY APPROVED BY
DATE DATE
/ M.H Park / G.Manager
REVIEWED BY
/ J.H Yoon / Manager
PREPARED BY
/ J.Y Lee / Engineer
Please return 1 copy for your confirmation with MNT/TV Products Engineering Dept.
your signature and comments. LG. Philips LCD Co., Ltd
Ver. 1.0 Feb.20, 2004 1 / 28
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LC420W02
Liquid Crystal Display
Product Specification
Contents
No 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 12
3-4 SIGNAL TIMING WAVEFORMS 13
3-5 COLOR INPUT DATA REFERENCE 14
3-6 POWER SEQUENCE 15
4 OPTICAL SFECIFICATIONS 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
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LC420W02
Liquid Crystal Display
Product Specification
RECORD OF REVISIONS
Revision No Revision Date Page DESCRIPTION
0.0 Dec. 10, 2003 - Preliminary Specification(First Draft)
0.1 Jan. 06, 2004 - Preliminary Specification(Second Draft)
0.2 Feb. 16. 2004 7,11 Change Electrical characteristics(Inverter input voltage,on/off condition)
1.0 Feb. 20, 2004 - Final Specification
Ver. 1.0 Feb.20, 2004 3 / 28
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LC420W02
Liquid Crystal Display
Product Specification
1. General Description
LC420W02 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 42.0 inch diagonally measured
acti ve d ispl a y area wi th WXGA reso lution (768 vertical by 1366 horizontal pixel ar ray)
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 8-bit gray scale signal for each dot,
thus, presenting a palette of more than 16,7M(True) colors.
It has been designed to apply the 8-bit 1 port LVDS interface.
It is intended to support LCD TV, PCTV where high brightness, super wide viewing angle, high color gamut,
high color depth and fast response time are important.
EEP-ROM RGB
SDRAM
(LUT) Source Driver Circuit
MEM SDA
RGB SCL S1 S1366
CTRL
G1
+12.0V
Gate Driver Circuit
LVDS CN1
Timing Controller
5pair (30pin) (LVDS Rx integrated)
Select TFT - LCD Panel
#9 (1366 RGB 768 pixels)
Power Circuit G768
Block
+24.0V (2X)
Inverter 10CNs (High)
GND (2X) Back light Assembly (20CCFL)
(CN2,CN3) 10CNs (High)
General Features
Active Screen Size 42.02 inches(1067.308mm) diagonal
Outline Dimension 1006 mm(H) x 610 mm(V) x 56 mm(D) (Typ.)
Pixel Pitch 0.227mm x 0.681mm x RGB
Pixel Format 1366 horiz. By 768 vert. Pixels RGB strip arrangement
Color Depth 8-bit, 16.7 M colors
Luminance, White 500 cd/m2 (Center 1-point) (Typ.)
Viewing Angle (CR>10) Viewing Angle Free ( R/L 176 (Typ.), U/D 176(Typ))
Power Consumption Total 168.3W (Typ.) (Logic=6.5W, Lamp=161.8W [IBL=6.5mA] )
Weight 11,800g (Typ.)
Display Operating Mode Transmissive mode, normally black
Surface Treatment Hard coating(3H), Anti-glare treatment of the front polarizer
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LC420W02
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
Values
Parameter Symbol Units Notes
Min Max
Power Input LCM VLCD -0.3 +14.0 Vdc r
Voltage Backlight inverter VBL +21.6 +28 Vdc
ON/OFF Control Voltage VON/OFF -0.3 +5.25 Vdc
Brightness Control Voltage VBr 0 +3.3 Vdc
Operating Temperature TOP 0 +40 C
Storage Temperature TST -20 +50 C
1
Operating Ambient Humidity HOP 10 90 %RH
Storage Humidity HST 10 90 %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.
C
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LC420W02
Liquid Crystal Display
Product Specification
3. Electrical Specifications
3-1. Electrical Characteristics
It requires two power inputs. One is employed to power the LCD electronics and to drive the TFT array and
liquid crystal. The second input power for the CCFL/Backlight, is to power inverter.
Table 2_1. ELECTRICAL CHARACTERISTICS
Values
Parameter Symbol Unit Notes
Min Typ Max
MODULE :
Power Supply Input Voltage VLCD 11.4 12.0 12.6 Vdc
- 545 635 mA 1
Power Supply Input Current ILCD
- 700 805 mA 2
Power Consumption PLCD 6.5 9.7 Watt 1
Rush current IRUSH - - 3.0 A 3
Note :
1. The specified current and power consumption are under the VLCD=12.0V, 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 1ms(min.).
White : 255Gray
Black : 0Gray
Mosaic Pattern(8 x 6)
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LC420W02
Liquid Crystal Display
Product Specification
Table 2_2. ELECTRICAL CHARACTERISTICS
Values
Parameter Symbol Unit Notes
Min Typ Max
Inverter :
Power Supply Input Voltage VBL 22.8 24.0 26.2 Vdc
Power Supply Input Voltage Ripple -0.2 0.2 Vp-p 1
Unloading Input Voltage 28.0 Vdc
Power Supply Input Current IBL - 6.74 8.11 A 1
Power Consumption PBL - 161.8 194.6 W 1
Brightness Adjust VBR 0.0 3.3 Vdc 2
Input Voltage for
Control System On V on 2.5 - 5.0 Vdc
Signals On/Off
Off V off -0.3 0.0 0.5 Vdc
Lamp :
Life Time 50,000 Hrs 3
Notes :
1. Electrical characteristics are determined after the unit has been `ON' and stable for approximately 120
minutes at 25 2 C
The specified current and power consumption are under the typical supply Input voltage, it is total power
consumption.
Ripple voltage of the Power Supply Input Voltage is under 0.2 Vp-p.
LPL recommend Input Voltage is 24.0V 5%.
(Philips system should keep the input voltage as 25.5V 2%)
2. Brightness Control
This VBR Voltage control brightness.
VBR Voltage Function
3.3V Maximum Brightness (100%)
0V Minimum Brightness.(15~25%)
3. The Life Time is determined as the time at which luminance of the lamp is 50% compared to that of initial
value at the typical lamp current on condition of continuous operating at 25 2 C.
Specified value is when lamp is aligned horizontally.
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LC420W02
Liquid Crystal Display
Product Specification
3-2. Interface Connections
This LCD employs three interface connections, a 30-pin connector is used for the module electronics and a
12-pin Connectors are used for the integral backlight system.
3-2-1. LCD Module
- LCD Connector(CN1) : FI-X30SSL-HF (Manufactured by JAE) or Equivalent
- Mating Connector : FI-X30C2L (Manufactured by JAE) or Equivalent
Table 3. MODULE CONNECTOR(CN1) PIN CONFIGURATION
Output Pin #
Pin No Symbol Description
(LVDS Tx)
1 VLCD Power Supply +12.0V
2 VLCD Power Supply +12.0V
3 VLCD Power Supply +12.0V
4 VLCD Power Supply +12.0V
5 GND Ground
6 GND Ground
7 GND Ground
8 GND Ground
9 Select Select LVDS Data format Note 1
10 NC NC
11 GND Ground
12 RA- LVDS Receiver Signal(-)
13 RA+ LVDS Receiver Signal(+)
14 GND Ground
15 RB- LVDS Receiver Signal(-)
16 RB+ LVDS Receiver Signal(+)
17 GND Ground
18 RC- LVDS Receiver Signal(-)
19 RC+ LVDS Receiver Signal(+)
20 GND Ground
21 RCLK- LVDS Receiver Clock Signal(-)
22 RCLK+ LVDS Receiver Clock Signal(+)
23 GND Ground
24 RD- LVDS Receiver Signal(-)
25 RD+ LVDS Receiver Signal(+)
26 GND Ground
27 NC NC
28 NC NC
29 GND Ground
30 NC(GND) LCD test Note 2
Note: 1. If Pin9 is Ground, interface format is "LG", and if Pin9 is Vcc(3.3V), interface format is "DISM"
See page 9 and 10.
2. Pin30 is necessary for LCD test.
When LVDS signals are abnormal operation more than 3-Vsync times and power 12V is supplied,
`Open' or `Vcc' : LCD operate itself some test patterns.(AGP