LG Display LC420EUN-SCV1 Specification
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LC420EUN
Product Specification
SPECIFICATION
FOR
APPROVAL
Title 42.0” WUXGA TFT LCD
BUYER GENERAL
MODEL
APPROVED BY
/
/
SIGNATURE
DATE
SUPPLIER LG Display Co., Ltd.
*MODEL LC420EUN
SUFFIX SCV1
*When you obtain standard approval,
please use the above model name without suffix
APPROVED BY
P.Y Kim / Team Leader
REVIEWED BY
S. J Cho / Project Leader
SIGNATURE
DATE
PREPARED BY
/
Please return 1 copy for your confirmation with
your signature and comments.
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LG Display LCD Co., Ltd
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LC420EUN
Product Specification
CONTENTS
Number ITEM
COVER 1
CONTENTS
RECORD OF REVISIONS
1 GENERAL DESCRIPTION
2 ABSOLUTE MAXIMUM RATINGS
3 ELECTRICAL SPECIFICATIONS
3-1 ELECTRICAL CHARACTERISTICS
3-2 INTERFACE CONNECTIONS
3-3 SIGNAL TIMING SPECIFICATIONS
3-4 LVDS SIGNAL SPECIFICATIONS
3-5 COLOR DATA REFERENCE
3-6 POWER SEQUENCE
4 OPTICAL SPECIFICATIONS
Page
2
3
4
5
6
6
8
10
11
14
15
17
5 MECHANICAL CHARACTERISTICS
6 RELIABILITY
7 INTERNATIONAL STANDARDS
7-1 SAFETY
7-2 EMC
7-3 Environment
8 PACKING
8-1 INFORMATION OF LCM LABEL
8-2 PACKING FORM
9 PRECAUTIONS
9-1 MOUNTING PRECAUTIONS
9-2 OPERATING PRECAUTIONS
9-3 ELECTROSTATIC DISCHARGE CONTROL
9-4 PRECAUTIONS FOR STRONG LIGHT EXPOSURE
21
24
25
25
25
25
26
26
26
27
27
27
28
28
9-5 STORAGE
9-6 HANDLING PRECAUTIONS FOR PROTECTION FILM 28
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RECORD OF REVISIONS
Revision No. Revision Date Page Description
0.1 Aug. 11. 2010 - Preliminary Specification (First Draft)
0.2 Aug, 30, 2010 29 # APPENDIX-I
7 ELECTRICAL CHARACTERISTICS
Final Sept.08.2010 23 5. Mechanical Characteristics
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LC420EUN
Product Specification
1. General Description
The LC420EUN is a Color Active Matrix Liquid Crystal Display with an integral Light Emitting Diode (LED)
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 1.06Bilion colors.
It has been designed to apply the 10-bit 4-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.
Mini-LVDS(RGB)
Control
Signals
LVDS
2Port
LVDS
Select
Bit
Select
+12.0V
+24.0V, GND, On/Off
ExtV
CN1
(51pin)
BR-B
LVDS 1,2
Option
signal
I2C
EEPROM
SCL
Timing Controller
LVDS Rx + DGA + ODC
Power Circuit
LED Driver
SDA
Integrated
Block
Power Signals
General Features
Active Screen Size 42.02 inches(1067.31mm) diagonal
Source Driver Circuit
S1 S1920
G1
TFT - LCD Panel
(1920 Ý RGB Ý 1080 pixels)
[Gate In Panel]
G1080
Local Dimming : 12 Block
Outline Dimension 983.0(H) x 576.0 (V) x 51.0 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 360 cd/m2(Center 1point ,Typ.)
Viewing Angle (CR>10) Viewing angle free ( R/L 178 (Min.), U/D 178 (Min.))
Power Consumption Total 95.8W (Typ.) [Logic= 7.8W, LED Driver= 88(TBD)W (ExtVbr_B=100% )]
Weight 11.3 Kg (Typ.) ,12.0Kg(Max)
Display Mode Transmissive mode, Normally black
Surface Treatment Hard coating(3H), Anti-glare treatment of the front polarizer (Haze 10%)
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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
Parameter
Power Input Voltage
Driver Control Voltage
T-Con Option Selection Voltage VLOGIC
Operating Temperature TOP
Storage Temperature TST
Panel Front Temperature TSUR - +68 ¶C
Operating Ambient Humidity HOP
Storage Humidity HST 10 90 %RH
Note
1. Ambient temperature condition (Ta =
LCD Circuit VLCD
Driver VBL -0.3 + 27.0 VDC
ON/OFF
Brightness
VOFF / VON
EXTVBR-B
25 r 2 ¶C )
Value
Min Max
-0.3 +14.0
-0.3 +5.5
0.0 +5.5
-0.3 +4.0
0 +50
-20 +60
10 90
Unit
VDC
VDC
VDC
VDC
¶C
¶C
%RH
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 degraded in case of
improper thermal management in final product design.
90%
NoteSymbol
1
2,3
4
2,3
60
60%
Ver. 0.1
Wet Bulb
Temperature [
10
0
10 20 30 40 50 60 70 800-20
Dry Bulb Temperature [
¶C]
20
50
40
40%
30
Humidity [(%)RH]
10%
¶C]
Storage
Operation
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LC420EUN
Product Specification
3. Electrical Specifications
3-1. Electrical Characteristics
It requires two power inputs. One is employed to power for the LCD circuit. The other Is used for the LED
backlight and LED Driver circuit.
Table 2. ELECTRICAL CHARACTERISTICS
Value
Parameter Symbol
Min Typ Max
Circuit :
Unit Note
Power Input Voltage VLCD 10.8 12.0 13.2 VDC
Power Input Current ILCD
Power Consumption PLCD 7.8 9.2 Watt 1
Rush current IRUSH - - 5.0 A 3
Note
1. The specified current and power consumption are under the V
condition whereas mosaic pattern(8 x 6) is displayed and f
455 650 845 mA 1
668 955 1240 mA 2
=12.0V, Ta=25 r 2¶C, fV=60Hz
LCD
is the frame frequency.
V
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)
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Table 3. ELECTRICAL CHARACTERISTICS (Continue)
Values
Parameter Symbol
Min Typ Max
LED Driver :
Power Supply Input Voltage VBL 22.8 24.0 25.2 Vdc 1
Unit Notes
LC420EUN
Power Supply Input Current IBL_A
Power Supply Input Current (In-Rush) Irush - - 6.5 A
Power Consumption PBL -
On V on 2.5 - 5.0 Vdc
On/Off
Input Voltage for
Control System
Signals
LED :
Life Time 30,000 50,000 Hrs 2
Brightness Adjust ExtV
PWM Frequency for
NTSC & PAL
Off V off -0.3 0.0 0.7 Vdc
BR-B 10 - 100 % On Duty
PAL 100 Hz 3
NTSC 120 Hz 3
-
3.7
88 94.1
4.0
AExt V
WExt V
BR-B = 100%
BL = 22.8V
V
Ext V
BR-B = 100%
BR-B = 100%
4
Notes :
1. Electrical characteristics are determined after the unit has been ‘ON’ and stable for approximately 60
minutes at 25·2¶C. The specified current and power consumption are under the typical supply Input voltage
24Vand V
BR (ExtVBR-B : 100%), it is total power consumption.
2. The life time(MTTF) is determined as the time which luminance of the LED is 50% compared to that of initial
value at the typical LED current (ExtVBR-B :100%) on condition of continuous operating in LCM state at
25·2¶C.
3. LGD recommend that the PWM freq. is synchronized with One time harmonic of Vsync signal of system.
Though PWM frequency is over 120Hz (max 252Hz), function of LED Driver is not affected.
4. The duration of rush current is about 10ms.
5. Even though inrush current is over the specified value, there is no problem if I
2
T spec of fuse is satisfied.
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3-2. Interface Connections
This LCD module employs two kinds of interface connection, 51-pin connector is used for the module
electronics and 14-pin connector is used for the integral backlight system.
3-2-1. LCD Module
- LCD Connector : FI-R51S-HF(manufactured by JAE) or KN25-51P-0.5SH(manufactured by Hirose)
(CN1) Refer to below table
- Mating Connector : FI-R51HL(JAE) or compatible
Table 4. MODULE CONNECTOR(CN1) PIN CONFIGURATION
No Symbol Description No Symbol Description
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
GND Ground
NC No Connection
NC No Connection
NC No Connection (Reserved for LGD)
NC No Connection (Reserved for LGD)
NC No Connection (Reserved for LGD)
LVDS Select
NC No Connection
NC No Connection
NC No Connection
GND
R1AN
R1AP
R1BN
R1BP
R1CN
R1CP
GND
R1CLKN
R1CLKP
GND
R1DN
R1DP
R1EN
R1EP
NC
‘H’ =JEIDA , ‘L’ or NC = VESA
Ground
FIRST LVDS Receiver Signal (A-)
FIRST LVDS Receiver Signal (A+)
FIRST LVDS Receiver Signal (B-)
FIRST LVDS Receiver Signal (B+)
FIRST LVDS Receiver Signal (C-)
FIRST LVDS Receiver Signal (C+)
Ground
FIRST LVDS Receiver Clock Signal(-)
FIRST LVDS Receiver Clock Signal(+)
Ground
FIRST LVDS Receiver Signal (D-)
FIRST LVDS Receiver Signal (D+)
IRST LVDS Receiver Signal (E-)
F
FIRST LVDS Receiver Signal (E+)
No Connection
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
Bit Select
R2AN
R2AP
R2BN
R2BP
R2CN
R2CP
GND
R2CLKN
R2CLKP
GND
R2DN
R2DP
R2EN
R2EP
NC
NC
GND
GND
GND
NC
VLCD
VLCD
VLCD
VLCD
-
‘H’ or NC= 10bit(D) , ‘L’ = 8bit
SECOND LVDS Receiver Signal (A-)
SECOND LVDS Receiver Signal (A+)
SECOND LVDS Receiver Signal (B-)
SECOND LVDS Receiver Signal (B+)
SECOND LVDS Receiver Signal (C-)
SECOND LVDS Receiver Signal (C+)
Ground
SECOND LVDS Receiver Clock Signal(-)
SECOND LVDS Receiver Clock Signal(+)
Ground
SECOND LVDS Receiver Signal (D-)
SECOND LVDS Receiver Signal (D+)
SECOND LVDS Receiver Signal (E-)
SECOND LVDS Receiver Signal (E+)
No Connection
No Connection
Ground
Ground
Ground
No connection
Power Supply +12.0V
Power Supply +12.0V
Power Supply +12.0V
Power Supply +12.0V
--
LC420EUN
Note
1. All GND(ground) pins should be connected together to the LCD module’s metal frame.
2. All V
LCD (power input) pins should be connected together.
3. All Input levels of LVDS signals are based on the EIA 644 Standard.
4. Specific pins(pin No. #2~#6) are used for internal data process of the LCD module.
These pins should be no connection.
5. LVDS pin (pin No. #24,25,40,41) are used for 10Bit(D) of the LCD module.
If used for 8Bit(R), these pins are no connection.
6. Specific pin No. #44 is used for “No signal detection” of system signal interface.
It should be GND for NSB(No Signal Black) during the system interface signal is not.
If this pin is “H”, LCD Module displays AGP(Auto Generation Pattern).
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3-2-2. Backlight Module
Master
- LED Driver Connector : 20022WR-14B1(Yeonho)
or Equivalent
- Mating Connector : 20022HS-14 or Equivalent
Table 5. LED DRIVER CONNECTOR PIN CONFIGURATION
Pin No Symbol Description Master Note
LC420EUN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
VBL Power Supply +24.0V VBL
VBL Power Supply +24.0V VBL
VBL Power Supply +24.0V VBL
VBL Power Supply +24.0V VBL
VBL Power Supply +24.0V VBL
GND Backlight Ground GND
GND Backlight Ground GND
GND Backlight Ground GND
GND Backlight Ground GND
GND Backlight Ground GND
NC
ON/OFF
V
EXTVBR-B
NC
No connection
Backlight ON/OFF control
External PWM
No connection
OPEN or GND
EXTVBR-B
OPEN or GND TBD
ON/OFF
V
1
2
Notes : 1. GND should be connected to the LCD module’s metal frame.
2. High : on duty / Low : off duty, Pin#13 can be opened. ( if Pin #13 is open , EXTVBR-B is 100% )
3. Each impedance of pin #12 and 13 is over 50 [K˟].
Rear view of LCM
PCB
14
…
…
<Master>
1
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Product Specification
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 6-1. TIMING TABLE for NTSC (DE Only Mode)
ITEM Symbol Min Typ Max Unit Note
Frequency
Display Period t
BlankHorizontal
Total
Display Period t
Blank tVB 11 45 69 tHPVertical
Total t
DCLK
Horizontal
Vertical
HV
tHB
tHP
VV - 1080 - tHP
VP 1091 1125 1149 tHP
fCLK
fH
f
V
- 960 - tclk
100 140 240 tclk
1060 1100 1200 tclk 2200/2
Table 6-2. TIMING TABLE for PAL (DE Only Mode)
Symbol
Display Period
tHV
148.5/2MHz7774.2570
KHz7067.565
Hz636057
NoteUnitMaxTypMinITEM
tclk-960-
Horizontal
Vertical t
Frequency
Note
The Input of HSYNC & VSYNC signal does not have an effect on normal operation(DE Only Mode).
Blank
Total
DCLK
Horizontal
Vertical
tHB
HP
t
fCLK
fH
f
V
The performance of the electro-optical characteristics may be influenced by variance of the vertical
refresh rate.
Ver. 0.1
tclk240140100
2200/2tclk120011001060
HP-1080-tVVDisplay Period
t
HP300270228tVBBlank
HP138013501308tVPTotal
t
148.5/2MHz7774.2570
KHz7067.565
Hz535047
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3-4. LVDS Signal Specification
3-4-1. LVDS Input Signal Timing Diagram
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LC420EUN
Product Specification
DE, Data
DCLK
First data
Second data
0.7VDD
0.3VDD
tCLK
DE(Data Enable)
0.5 VDD
Invalid data
Invalid data
Valid data
Pixel 0,0
Valid data
Pixel 1,0
Pixel 2,0
Pixel 3,0
Invalid data
Invalid data
tHV
DE(Data Enable)
Ver. 0.1
tHP
1 1080
tVV
tVP
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