LG Display LC420EUN-SDV4 Specification
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LC420EUN
Product Specification
SPECIFICATION
FOR
APPROVAL
()Preliminary Specification
() Final Specification
Title 42.0” WUXGA TFT LCD
BUYER KDP
MODEL
APPROVED BY
/
/
SIGNATURE
DATE
SUPPLIER LG Display Co., Ltd.
*MODEL LC420EUN
SUFFIX SDV4 (RoHS Verified)
*When you obtain standard approval,
please use the above model name without suffix
APPROVED BY
J.T. Kim / Team Leader
REVIEWED BY
Y.J. Heo / Project Leader
SIGNATURE
DATE
PREPARED BY
Y.M.Cho / Engineer
TV Product Development Dept.
Please return 1 copy for your confirmation with
your signature and comments.
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ITEM
P
5
9-3
ELECTROSTATIC DISCHARGE CONTROL
30
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LC420EUN
Product Specification
CONTENTS
er
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
5 MECHANICAL CHARACTERISTICS
age
2
3
4
6
6
8
12
13
16
17
19
23
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
9-4 PRECAUTIONS FOR STRONG LIGHT EXPOSURE
9-5 STORAGE
9-6 HANDLING PRECAUTIONS FOR PROTECTION FILM
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Revision No. Revision Date Page Description
0.0 Sep, 10, 2010 - Preliminary Specification(First Draft)
0.1 Dec, 22, 2010 - Update electrical/Mechanical/Optical specification
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LC420EUN
Product Specification
RECORD OF REVISIONS
0.2 Feb, 11, 2011 4, 6~9
0.3 April, 06, 2011 22, 23 Update Mechanical drawing
1.0 April, 18, 2011 5 Change the EXTVBR-B Max voltage
- Final Specification
Change the block diagram and electrical specification
(Internal PWM mode External PWM mode)
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saColo
ActiveMat
d
Crysta
tegra
ode
(
)
TheLC420
EUN
isaColor
Active
Matrix
Liquid
Crystal
Display
withanintegral
Light
Emitting
Diode
(LED)
high color depth and fast response time are important
LVDS R
DGA
Option
ExtV
p
)]
p
[g ( _ )]
1. General Description
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LC420EUN
Product Specification
TheLC420EUNi
r
rix Liqui
lDisplaywithanin
lLightEmittingDi
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 8-bit gray scale signal for each dot.
Therefore, it can present a palette of more than 16.7Million colors.
It has been designed to apply the 8-bit 2-port LVDS interface.
It is intended to support LCD TV, PCTV where high brightness, super wide viewing angle, high color gamut,
.
LVDS
2Port
LVDS
Select
+12.0V
CN1
(51pin)
LVDS 1,2
signal
I2C
EEPROM
SCL
Timing Controller
Power Circuit
SDA
x +
Integrated
Block
Mini-LVDS(RGB)
Control
Signals
Power Signals
Source Driver Circuit
S1 S1920
G1
TFT - LCD Panel
(1920 Ý RGB Ý 1080 pixels)
[Gate In Panel]
G1080
BR-B
+24.0V, GND, On/Off
LED Driver
Back light Assembly
General Features
Active Screen Size 42.02 inches(1067.31mm) diagonal
Outline Dimension
Pixel Pitch 0.4845 mm x 0.4845 mm
Pixel Format 1920 horiz. by 1080 vert. Pixels, RGB stripe arrangement
Color Depth 8bit, 16.7Million colors
Luminance, White 360 cd/m
Viewing Angle (CR>10) Viewing angle free ( R/L 178 (Min.), U/D 178 (Min.))
Power Consum
Weight 8.8 Kg (Typ.)
Display Mode Transmissive mode, Normally black
Surface Treatment Hard coating(3H), Anti-glare treatment of the front polarizer (Haze 10%)
Ver. 1.0
tion Total 91.3W [Logic= 7.3W, LED Driver=84W (ExtVbr_B=100%
968.4(H) Ý 564(V) X 10.8(B)/18.3 mm(D) (Typ.)
2
(Center 1point ,Typ.)
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g
LCD Circuit
V
LCD
0.3
14.0
V
DC
g
p
gp
p
,
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
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LC420EUN
Product Specification
Parameter Symbol
Power Input Voltage
Driver Control Voltage
T-Con Option Selection Voltage VLOGIC -0.3 +4.0 VDC
Operating Temperature TOP 0+50
Stora
e Temperature TST -20 +60
Panel Front Temperature TSUR -+68
Operating Ambient Humidity H
Storage Humidity H
Note
1. Ambient temperature condition (Ta = 25 r 2 ¶C )
Driver V
ON/OFF V
Brightness EXTVBR-B 0.0 +5.5 VDC
BL -0.3 + 27.0 VDC
OFF / VON -0.3 +5.5 VDC
OP 10 90 %RH
ST 10 90 %RH
Value
Min Max
-
+
Unit Note
¶C
¶C
¶C
2. Temperature and relative humidity range are shown in the figure below.
Wet bulb tem
erature 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%
1
2,3
4
2,3
60
60%
40
50
40%
Humidity [(%)RH]
10%
¶C]
Wet Bulb
Temperature [
0
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¶C]
30
20
10
10 20 30 40 50 60 70 800-20
Dry Bulb Temperature [
Storage
Operation
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3-1. Electrical Ch
r
y
g
gpp ()
3. Electrical Specifications
aracteristics
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
Paramete
Circuit :
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Product Specification
Symbol
Min Typ Max
LC420EUN
Value
Unit Note
Power Input Voltage V
Power Input Current ILCD
Power Consumption PLCD 7.32 8.05 Watt 1
Rush current I
Note
1. The specified current and power consumption are under the V
condition, and mosaic pattern(8 x 6) is displayed and f
LCD 10.8 12.0 13.2 VDC
- 610 790 mA 1
- 920 1200 mA 2
RUSH --5.0A3
=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 risin
time of power input is 0.5ms (min.).
White : 255 Gray
Black : 0 Gray
Mosaic Pattern(8 x 6)
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Values
Power Supply Input Current (In
Rush)
In
rush
4.85AExtV
BR-B
100%
PAL
100Hz3
Not
g
gqy ( ),
Table 3. ELECTRICAL CHARACTERISTICS (Continue)
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LC420EUN
Product Specification
Parameter Symbol
LED Driver :
Power Supply Input Voltage VBL 22.8 24.0 25.2 Vdc 1
Power Supply Input Current IBL
-
Power Consumption PBL -
On/Off
Input Voltage for
Control System
Signals
LED :
Life Time 30,000 Hrs 2
Brightness Adjust ExtV
ExtV
BR-B
On V on 2.5 - 5.0 Vdc
Off V off -0.3 0.0 0.7 Vdc
Frequency
-
BR-B
NTSC 120 Hz 3
Min Typ Max
-
--
5 - 100 %
1 - 100 %
3.5
84.0 91.9
3.9
Unit Notes
A1
VBL = 22.8V
W1
On Duty
=
4
6
es :
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 V_sync signal of system.
h PWM frequency is over 120Hz (max 252Hz), function of LED Driver is not affected.
Thou
4. The duration of rush current is about 200ms. This duration is applied to LED on time.
5. Even though inrush current is over the specified value, there is no problem if I
6. ExtV
After Driver ON signal is applied, ExtV
signal have to input available duty range and sequence.
BR-B
After that, ExtV
1% and 100% is possible
BR-B
should be sustained from 5% to 100% more than 500ms.
BR-B
2
T spec of fuse is satisfied.
For more information, please see 3-6-2. Sequence for LED Driver.
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This LCD module employs two kinds of interface connection, 51
pin connector is used for the module
No
Symbol
Description
No
Symbol
Description
8NCNo C
4)
34
GND
Ground
16
R1CN
FIRST LVDS Receiver Signal (C
)42NC or GND
No Connection or Ground
I
GND f
NSB(No Si
3-2. Interface Connections
electronics and 14-pin connector is used for the integral backlight system.
3-2-1. LCD Module
- LCD Connector(CN1): FI-R51S-HF(manufactured by JAE) or compatible
- Mating Connector : FI-R51HL(JAE) or compatible
Table 4. MODULE CONNECTOR(CN1) PIN CONFIGURATION
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Product Specification
-
LC420EUN
1
2
3
4
5
6
7
9
10
11
12
13
14
15
17
18
19
20
21
22
23
24
25
26
NC
NC
NC
NC
NC
NC
LVDS Select
NC
NC
GND
R1AN
R1AP
R1BN
R1BP
R1CP
GND
R1CLKN
R1CLKP
GND
R1DN
R1DP
NC
NC
NC or GND
No Connection (Note 4)
No Connection (Note 4)
No Connection (Note 4)
No Connection (Note 4)
No Connection (Note 4)
No Connection (Note 4)
ಫHಬ =JEIDA , ಫLಬ or NC = VESA
onnection (Note
No Connection (Note 4)
No Connection (Note 4)
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+)
Ground
FIRST LVDS Receiver Clock Signal(-)
FIRST LVDS Receiver Clock Signal(+)
Ground
FIRST LVDS Receiver Signal (D-)
FIRST LVDS Receiver Signal (D+)
No Connection
No Connection
No Connection or Ground
27
28
29
30
31
32
33
35
36
37
38
39
40
41
43
44
45
46
47
48
49
50
51
-- -
NC
R2AN
R2AP
R2BN
R2BP
R2CN
R2CP
R2CLKN
R2CLKP
GND
R2DN
R2DP
NC
NC
NC or GND
GND Ground
GND Ground
GND Ground
NC No connection
VLCD Power Supply +12.0V
VLCD Power Supply +12.0V
VLCD Power Supply +12.0V
VLCD Power Supply +12.0V
No Connection
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+)
SECOND LVDS Receiver Clock Signal(-)
SECOND LVDS Receiver Clock Signal(+)
Ground
SECOND LVDS Receiver Signal (D-)
SECOND LVDS Receiver Signal (D+)
No Connection
No Connection
No Connection or Ground
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. #1~#6 & #8~#10 NC (No Connection): These pins are used only for LGD (Do not connect)
5. Specific pin No. #44 is used for “No signal detection” of system signal interface.
t should be
or
gnal Black) during the system interface signal is not.
If this pin is “H”, LCD Module displays AGP(Auto Generation Pattern).
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Mast
Pin No
Symbol
Description
Note
6
GND
4.Each
impedance
of
pin#12
and14is
over50[K]
3-2-2. Backlight Module
er
-LED Driver Connector
: 20022WR - H14B1(Yeonho) or Equivalent
- Mating Connector
: 20022HS - 14B2(Yeonho) or Equivalent
Table 5. LED DRIVER CONNECTOR PIN CONFIGURATION
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LC420EUN
Product Specification
1
2
3
4
5
7
8
9
10
11
12
13
14
VBL Power Supply +24.0V
VBL Power Supply +24.0V
VBL Power Supply +24.0V
VBL Power Supply +24.0V
VBL Power Supply +24.0V
Backlight Ground
GND
GND
GND
GND
Status
ON/OFF
V
NC
EXTVBR-B External PWM
Backlight Ground
Backlight Ground
Backlight Ground
Backlight Ground
Back Light Status
Backlight ON/OFF control
Don’t care
Notes :1. GND should be connected to the LCD module’s metal frame.
2. Normal : Low (under 0.7V) / Abnormal : High (upper 3.0V)
3. High : on duty / Low : off duty, Pin#14 can be opened. ( if Pin #14 is open , EXTVBR-B is 100% )
.
1
2
3
ଝ Rear view of LCM
PCB
1
14
…
1
14
…
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Horizontal
fH57.3
67.570KHz
2
If
EMI
dditi
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
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LC420EUN
Product Specification
Horizontal
Vertical
Frequency
Display
Period
Blank tHB 100 140 240 tCLK 1
Total t
Display
Period
Blank t
Total tVP
ITEM Symbol Min Typ Max Unit Note
DCLK f
Vertical fV
t
HV 960 960 960 tCLK 1920 / 2
HP 1060 1100 1200 tCLK
tVV 1080 1080 1080 Lines
VB
CLK 63.00 74.25 78.00 MHz
20
(228)
1100
(1308)
57
(47)
45
(270)
1125
(1350)
60
(50)
69
(300)
1149
(1380)
63
(53)
Lines 1
Lines
Hz
NTSC : 57~63Hz
(PAL : 47~53Hz)
2
Note: 1. The input of HSYNC & VSYNC signal does not have an effect on normal operation (DE Only Mode).
you use spread spectrum of
, add some a
onal 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.
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0.5 VDD
Valid data
t
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
Invalid data
Invalid data
DE(Data Enable)
Valid data
Pixel 0,0 Pixel 2,0
Pixel 1,0 Pixel 3,0
tHP
Invalid data
Invalid data
tHV
DE(Data Enable)
Ver. 1.0
1 1080
VV
tVP
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