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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 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,
high color depth and fast response time are important.
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LC420EUN
Product Specification
LVDS
2Port
LVDS
Select
OPC
Enable
BR-B
ExtV
+12.0V
PWM_OUT
1~3
+24.0V, GND, On/Off
CN1
(51pin)
CN2
(8 pin)
LVDS 1,2
Option
signal
I2C
PWM_OUT
1~3
EEPROM
SCL
Timing Controller
LVDS Rx + OPC + DGA
Power Circuit
SDA
Integrated
Block
LED Driver
EPI(RGB))
S1S1920
G1
Control
Signals
G1080
Power Signals
General Features
Active Screen Size42.02 inches(1067.31mm) diagonal
Outline Dimension960.4(H) Ý 560.4(V) X 9.9(B)/17.4 mm(D) (Typ.)
Source Driver Circuit
TFT - LCD Panel
(1920 Ý RGB Ý 1080 pixels)
[Gate In Panel]
Scanning Block 1
Scanning Block 2
Scanning Block 3
Pixel Pitch0.4845 mm x 0.4845 mm
Pixel Format1920 horiz. by 1080 vert. Pixels, RGB stripe arrangement
Power ConsumptionTotal 92.3W(TBD) [Logic= 6.3W(TBD), LED Driver=84W (TBD, ExtVbr_B=100% )]
Weight9 Kg (TBD) (Typ.)
Display ModeTransmissive mode, Normally black
Surface TreatmentHard coating(3H), Anti-glare treatment of the front polarizer (Haze < 1%)
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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
ParameterSymbol
Power Input Voltage
Driver Control Voltage
T-Con Option Selection VoltageVLOGIC-0.3+4.0VDC
Operating TemperatureTOP0+50¶C
Storage TemperatureTST-20+60¶C
Panel Front Temperature TSUR-+68¶C4
Operating Ambient HumidityHOP1090%RH
Storage HumidityHST1090%RH
Note
1. Ambient temperature condition (Ta =
LCD CircuitVLCD-0.3+14.0VDC
DriverVBL-0.3+ 27.0VDC
ON/OFFVOFF / VON-0.3+5.5VDC
BrightnessEXTVBR-B0.0+3.6VDC
25 r 2 ¶C )
Value
UnitNote
MinMax
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 be degraded in case of
improper thermal management in final product design.
90%
1
2,3
2,3
60
60%
Storage
Operation
Ver. 0.1
Wet Bulb
Temperature [
10
0
10203040506070800-20
Dry Bulb Temperature [
¶C]
20
30
40
50
40%
Humidity [(%)RH]
10%
¶C]
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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
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LC420EUN
Product Specification
ParameterSymbol
Circuit :
Power Input VoltageVLCD10.812.013.2VDC
Power Input CurrentILCD
Power ConsumptionPLCD6.34(TBD)Watt1
Rush currentIRUSH--5.0A3
Ext_PWM
Brightness Adjust for Back Light
Ext_PWM
Frequency
Note
1. The specified current and power consumption are under the V
MinTypMax
-528(TBD)686(TBD)mA1
-789(TBD)1025(TBD)mA2
5 (TBD)-100%
1 (TBD)-100%
4050HzPAL
condition, and mosaic pattern(8 x 6) is displayed and f
Value
6080HzNTSC
=12.0V, Ta=25 r 2¶C, fV=60Hz
LCD
is the frame frequency.
V
UnitNote
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.).
4. ExtV
After Driver ON signal is applied, ExtV
After that, ExtV
signal have to input available duty range and sequence.
BR-B
1% and 100% is possible
BR-B
should be sustained from 5% to 100% more than 500ms.
BR-B
For more information, please see 3-6-2. Sequence for LED Driver.
5. Ripple voltage level is recommended under ·5% of typical voltage
4
On duty
White : 255 Gray
Black : 0 Gray
Mosaic Pattern(8 x 6)
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Table 3. ELECTRICAL CHARACTERISTICS (Continue)
ParameterSymbol
LED Driver :
Power Supply Input VoltageVBL22.824.025.2Vdc1
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LC420EUN
Product Specification
Values
UnitNotes
MinTypMax
Power Supply Input Current IBL
Power Supply Input Current (In-Rush)In-rush--10(TBD)A
Power ConsumptionPBL-
Input Voltage for
Control System
Signals
LED :
Life Time30,00050,000Hrs2
On/Off
OnV on2.5-5.0Vdc
OffV off-0.30.00.7Vdc
1.9(TBD)
-
45.5(TBD) 49.8(TBD)
2.1(TBD)
A1
VBL = 22.8V
Ext VBR-B = 100%
3
W1
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
24V and 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. The duration of rush current is about 200ms. This duration is applied to LED on time.
2
4. Even though inrush current is over the specified value, there is no problem if I
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(CN1): FI-R51S-HF(manufactured by JAE) or compatible
- Mating Connector : FI-R51HL(JAE) or compatible
Table 4. MODULE CONNECTOR(CN1) PIN CONFIGURATION
NoSymbolDescriptionNoSymbolDescription
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
NC
NC
NC
NC
NC
NC
LVDS Select
ExtVBR-B
NC
OPC Enable‘H’ = Enable , ‘L’ or NC = Disable
GND
R1AN
R1AP
R1BN
R1BP
R1CN
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)
‘H’ =JEIDA , ‘L’ or NC = VESA
External PWM (from System)
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-)
FIRST LVDS Receiver Signal (C+)
ound
r
G
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
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Product Specification
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
---
R2AN
R2AP
R2BN
R2BP
R2CN
R2CP
GND
R2CLKN
R2CLKP
GND
R2DN
R2DP
NC or GND
NC or GND
GNDGround
GNDGround
GNDGround
VLCDPower Supply +12.0V
VLCDPower Supply +12.0V
VLCDPower Supply +12.0V
VLCDPower Supply +12.0V
NC
NC
NC
NCNo connection
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+)
Ground
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
No Connection or Ground
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. #1~#6 & #9 NC (No Connection): These pins are used only for LGD (Do not connect)
5. Specific pins(pin No. #10) are used for Scanning function of the LCD module.
If not used, these pins are no connection. (Please see the Appendix VI for more information.)
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 - H14B1(Yeonho) or Equivalent
- Mating Connector
: 20022HS - 14B2(Yeonho) or Equivalent
Table 5. LED DRIVER CONNECTOR PIN CONFIGURATION
Pin NoSymbolDescriptionNote
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LC420EUN
Product Specification
1
2
3
4
5
6
7
8
9
10
11
12
13
14
VBLPower Supply +24.0V
VBLPower Supply +24.0V
VBLPower Supply +24.0V
VBLPower Supply +24.0V
VBLPower Supply +24.0V
GNDBacklight Ground
GNDBacklight Ground
GNDBacklight Ground
GNDBacklight Ground
GNDBacklight Ground
Status
ON/OFF
V
NC
NC
Back Light Status
Backlight ON/OFF control
Don’t care
Don’t care
Notes :1. GND should be connected to the LCD module’s metal frame.
2. Normal : Low (under 0.7V) / Abnormal : OPEN
3. Each impedance of pin #12 is over TBD [K˟] .
1
2
Rear view of LCM
PCB
1
14
…
1
14
…
<Master>
Ver. 0.1
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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)
ITEMSymbolMinTypMaxUnitNote
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LC420EUN
Product Specification
Horizontal
Vertical
Frequency
Display
Period
Blankt
TotaltHP106011001200tCLK
Display
Period
Blankt
Totalt
ITEMSymbolMinTypMaxUnitNote
DCLKf
HorizontalfH57.367.570KHz2
Verticalf
t
HV960960960tCLK1920 / 2
HB100140240tCLK1
VV108010801080Lines
t
VB
VP
CLK63.0074.2578.00MHz
V
20
(228)
1100
(1308)
57
(47)
45
(270)
1125
(1350)
60
(50)
69
(300)
1149
(1380)
63
(53)
Lines1
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).
If you use spread spectrum of EMI, add some additional 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.
Ver. 0.1
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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 0,0Pixel 2,0
Valid data
Pixel 1,0Pixel 3,0
tHP
Invalid data
Invalid data
tHV
DE(Data Enable)
Ver. 0.1
11080
tVV
tVP
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3-4-2. LVDS Input Signal Characteristics
1) DC Specification
LVDS -
LVDS +
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LC420EUN
Product Specification
# VCM= {(LVDS +) + ( LVDS - )}/2
0V
V
CM
V
IN _MAXVIN _MIN
DescriptionSymbolMinMaxUnitNote
LVDS Common mode VoltageV
LVDS Input Voltage RangeV
CM
IN
1.01.5V-
0.71.8V-
Change in common mode VoltageȟVCM-250mV-
2) AC Specification
T
clk
LVDS Clock
A
LVDS Data
(F
= 1/T
)
clk
A
LVDS 1’st Clock
LVDS 2nd/ 3rd/ 4thClock
tSKEW
tSKEW
t
SKEW_mintSKEW_max
clk
T
clk
80%
20%
t
RF
DescriptionSymbolMinMaxUnitNote
High Threshold
LVDS Differential Voltage
Low Threshold
LVDS Clock to Data Skewt
LVDS Clock/DATA Rising/Falling timet
Effective time of LVDSt
LVDS Clock to Clock Skew (Even to Odd)t
Note
1. All Input levels of LVDS signals are based on the EIA 644 Standard.
2. If t
isn’t enough, t
RF
should be meet the range.
eff
3. LVDS Differential Voltage is defined within t
Ver. 0.1
V
TH
V
TL
SKEW
RF
eff
SKEW_EO
100300mV
-300-100mV
-|(0.25*T
260|(0.3*T
)/7|ps-
clk
)/7|ps2
clk
|·360|-ps-
-|1/7* T
eff
|ps-
clk
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LC420EUN
Product Specification
360ps
V+
data
Vcm
Vdata
V+
clk
Vcm
0.5tui
tui
VTH
VTL
360ps
teff
tui : Unit Interval
Vclk
Ver. 0.1
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3-5. Color Data Reference
The brightness of each primary color(red,green,blue) is based on the 8bit gray scale data input for the color.
The higher binary input, the brighter the color. Table 7 provides a reference for color versus data input.
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3-6. Power Sequence
3-6-1. LCD Driving circuit
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LC420EUN
Product Specification
Power Supply For LCD
V
LCD
Interface Signal (Tx_clock)
0V
0V
User Control Signal
(LVDS_select, OPC Enable, ExtVBR-B)
Power for LED
Table 8. POWER SEQUENCE
Parameter
MinTypMax
10%
90%
T
1
T6
T2
30%
100%
T7
Value
Valid Data
T3T4
LED ON
90%
10%
T
8
T5
Vcm: LVDS Common mode Voltage
UnitNotes
10%
Note :
Ver. 0.1
T10.5-20ms1
T
20--ms2
3200--ms3
T
T
4200--ms3
51.0--s4
T
T
6--T2ms5
T
70.5--s6
8100--ms7
T
1. Even though T1 is over the specified value, there is no problem if I2T spec of fuse is satisfied.
2. If T2 is satisfied with specification after removing LVDS Cable, there is no problem.
3. The T3 / T4 is recommended value, the case when failed to meet a minimum specification,
abnormal display would be shown. There is no reliability problem.
4. T5 should be measured after the Module has been fully discharged between power off and on period.
5. If the on time of signals (Interface signal and user control signals) precedes the on time of Power (V
it will be happened abnormal display. When T6 is NC status, T6 doesn’t need to be measured.
6. If there is no abnormal display, no problem.
7. It is recommendation specification that T8 has to be 100ms as a minimum value.
Please avoid floating state of interface signal at invalid period.
When the power supply for LCD (VLCD) is off, be sure to pull down the valid and invalid data to 0V.
LCD
),
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3-6-2. Sequence for LED Driver
Power Supply For LED Driver
VBL
0V
10%
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Product Specification
24V (typ.)
90%
LC420EUN
90%
T1T2
VON/OFF
ExtVBR-B
3-6-3. Dip condition for LED Driver
(Typ.) x 0.8
V
BL
Table 9. Power Sequence for LED Driver
T3
LED ON
T4 T6
T5
VBL: 24V
0 V
Parameter
T120--ms1
T2500--ms
T310--ms
T40--ms
T5--10msV
T6500--ms2
MinTypMax
Values
UnitsRemarks
(Typ) x 0.8
BL
Notes : 1. T1 describes rising time of 0V to 24V and this parameter does not applied at restarting time.
Even though T1 is over the specified value, there is no problem if I
2. In T6 section,
Ver. 0.1
ExtVBR-B should be sustained from 5% to 100% .
2
T spec of fuse is satisfied.
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4. Optical Specification
Optical characteristics are determined after the unit has been ‘ON’ and stable in a dark environment at 25·2¶C.
The values are specified at 50cm from the LCD surface at a viewing angle of ) and T equal to 0 ¶.
FIG. 1 shows additional information concerning the measurement equipment and method.
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LC420EUN
Product Specification
Optical Stage(x,y)
LCD Module
Pritchard 880 or
equivalent
50cm
FIG. 1 Optical Characteristic Measurement Equipment and Method
Table 10. OPTICAL CHARACTERISTICS
ParameterSymbol
Contrast RatioCR
Surface Luminance, whiteL
Luminance VariationG
Response Time
Color Coordinates
[CIE1931]
Color Temperature10,000K
Color Gamut68%
Viewing
Angle
Gray Scale---8
2D
(CR>10)
Gray-to-GrayG to G
UniformityG to G BW-8124
RED
GREEN
BLUE
WHITE
x axis, right(I=0¶)Tr89--
x axis, left (I=180¶)Tl89--
y axis, up (I=90¶)Tu89--
y axis, down (I=270¶)Td89--
WH
WHITE
5P--1.33
ɍ
Rx
RyTBD
GxTBD
GyTBD
BxTBD
ByTBD
Wx0.279
Wy0.292
Ta= 25·2¶C, V
Value
MinTypMax
1000
1000
290360-cd/m
-69ms5
Typ
-0.03
1400-1
1400
TBD
=12.0V, fV=60Hz, Dclk=74.25MHz,
LCD
EXTVBR-B =100%
UnitNote
2
Typ
+0.03
degree6
2
Ver. 0.1
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Note : 1. Contrast Ratio(CR) is defined mathematically as :
CR(Contrast Ratio) = Maximum CRn (n=1, 2, 3, 4, 5)
CRn =
2. Surface luminance are determined after the unit has been ‘ON’ and 1 Hour after lighting the
backlight in a dark environment at 25·2¶C. Surface luminance is the luminance value at center
1-point across the LCD surface 50cm from the surface with all pixels displaying white.
For more information see the FIG. 2.
3. The variation in surface luminance , G WHITE is defined as :
G WHITE(5P) = Maximum(L
Where L
For more information, see the FIG. 2.
4. Response time is the time required for the display to transit from any gray to white (Rise Time, Tr
and from any gray to black (Decay time, Tr
G to G
5. G to G
Surface Luminance at position n with all white pixels
Surface Luminance at position n with all black pixels
n = the Position number(1, 2, 3, 4, 5). For more information, see FIG 2.
on1
to L
BW
are the luminance with all pixels displaying white at 5 locations .
on5
Spec stands for average value of all measured points.
Photo Detector : RD-80S / Field : 2 ¶
is Variation of Gray to Gray response time composing a picture
ɍ
G to G (ɍ) =
˲
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Product Specification
, L
on1,Lon2
ȭ(Xi- u)
N
, L
on3
on4
D
2
, L
) / Minimum(L
on5
on1,Lon2
, L
on3
, L
on4
, L
on5
). For additional information see the FIG. 3.
Xi = Individual Data
u = Data average
N : The number of Data
LC420EUN
)
)
R
6. Viewing angle is the angle at which the contrast ratio is greater than 10. The angles are
determined for the horizontal or x axis and the vertical or y axis with respect to the z axis which
is normal to the LCD module surface. For more information, see the FIG. 4.
7. Gray scale specification
Gamma Value is approximately 2.2. For more information, see the Table 11.
8. 3D performance specification is expressed by 3D luminance and 3D viewing angle.
Table 11. GRAY SCALE SPECIFICATION
Gray LevelLuminance [%] (Typ)
L00.07
L150.27
L311.04
L472.49
L634.68
L797.66
L9511.5
L11116.1
L12721.6
L14328.1
L15935.4
L17543.7
L19153.0
L20763.2
L22374.5
L23986.7
L255100
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ྙ
ྛྚ
ྜྷ
ྜ
Measuring point for surface luminance & measuring point for luminance variation.
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LC420EUN
Product Specification
H
A
V
B
A : H / 4 mm
FIG. 2 5 Points for Luminance Measure
Response time is defined as the following figure and shall be measured by switching the input signal for
“Gray(N)” and “Gray(M)”.
TrR
100
90
TrD
B : V / 4 mm
@ H,V : Active Area
Optical
Response
Ver. 0.1
10
0
Gray(N)
N,M = Black~White, N<M
FIG. 3 Response Time
Gray(M)
Gray(N)
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Dimension of viewing angle range
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LC420EUN
Product Specification
I
= 180q, Left
I
= 270q, Down
Normal
T
I
FIG. 4 Viewing Angle
E
Y
I
= 90q, Up
I
= 0q, Right
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5. Mechanical Characteristics
Table 12 provides general mechanical characteristics.
Table 12. MECHANICAL CHARACTERISTICS
ItemValue
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LC420EUN
Product Specification
Outline Dimension
Bezel Area
Active Display Area
Weight
Horizontal
Vertical
Depth
Horizontal
Vertical
Horizontal
Vertical
9.0 Kg (Typ.), 9.5 kg (Max.)
960.4 mm
560.4 mm
9.9 mm
938.6 mm
531.5 mm
930.24 mm
523.26 mm
Note : Please refer to a mechanical drawing in terms of tolerance at the next page.
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[ FRONT VIEW_TBD ]
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LC420EUN
Product Specification
SET : TOP
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SET : DOWN
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[ REAR VIEW_TBD ]
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LC420EUN
Product Specification
SET : TOP
SET : DOWN
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6. Reliability
Table 13. ENVIRONMENT TEST CONDITION
No.Test ItemCondition
1High temperature storage testTa= 60¶C 240h
2Low temperature storage testTa= -20¶C 240h
3High temperature operation testTa= 50¶C 50%RH 240h
Shock level : 50Grms
Waveform : half sine wave, 11ms
Direction : ᇹX, ᇹY, ᇹZ
One time each direction
0 - 15,000 ft
0 - 40,000 ft
Note : Before and after Reliability test, LCM should be operated with normal function.
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7. International Standards
7-1. Safety
a) UL 60065, Seventh Edition, Underwriters Laboratories Inc.
Audio, Video and Similar Electronic Apparatus - Safety Requirements.
b) CAN/CSA C22.2 No.60065:03, Canadian Standards Association.
Audio, Video and Similar Electronic Apparatus - Safety Requirements.
c) EN 60065:2002 + A11:2008, European Committee for Electrotechnical Standardization (CENELEC).
Audio, Video and Similar Electronic Apparatus - Safety Requirements.
d) IEC 60065:2005 + A1:2005, The International Electrotechnical Commission (IEC).
Audio, Video and Similar Electronic Apparatus - Safety Requirements.
(Including report of IEC60825-1:2001 clause 8 and clause 9)
Notes
1. Laser (LED Backlight) Information
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LC420EUN
Product Specification
&ODVV0/('3URGXFW
,(&
(PEHGGHG/('3RZHU&ODVV
2. Caution
: LED inside.
Class 1 laser (LEDs) radiation when open.
Do not open while operating.
7-2. EMC
a) ANSI C63.4 “American National Standard for Methods of Measurement of Radio-Noise
Emissions from Low-Voltage Electrical and Electronic Equipment in the Range of 9 kHz to 40 GHz.”
American National Standards Institute (ANSI), 2003.
b) CISPR 22 “Information technology equipment – Radio disturbance characteristics – Limit and
methods of measurement." International Special Committee on Radio Interference
(CISPR), 2005.
c) CISPR 13 “Sound and television broadcast receivers and associated equipment – Radio disturbance
characteristics – Limits and method of measurement." International Special Committee on Radio
Interference (CISPR), 2006.
7-3. Environment
a) RoHS, Directive 2002/95/EC of the European Parliament and of the council of 27 January 2003
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8. Packing
8-1. Information of LCM Label
a) Lot Mark
ABCDEFGHI JKLM
A,B,C : SIZE(INCH) D : YEAR
E : MONTH F ~ M : SERIAL NO.
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LC420EUN
Product Specification
Note
1. YEAR
Year
Mark
CBA
2014E2015
D
201320122011
2016G2017H2018J2019
F
2. MONTH
Month
Mark
Apr5May
4
Jun7Jul8Aug9Sep
6
b) Location of Lot Mark
Serial NO. is printed on the label. The label is attached to the backside of the LCD module.
This is subject to change without prior notice.
8-2. Packing Form
a) Package quantity in one Pallet : 16 pcs
b) Pallet Size : 1140 mm(W) X 990 mm(D) X 782 mm(H)
2020
K
Oct
A
Nov
B
DecMarFebJan
C321
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9. Precautions
Please pay attention to the followings when you use this TFT LCD module.
9-1. Mounting Precautions
(1) You must mount a module using specified mounting holes (Details refer to the drawings).
(2) You should consider the mounting structure so that uneven force (ex. Twisted stress) is not applied to the
module. And the case on which a module is mounted should have sufficient strength so that external
force is not transmitted directly to the module.
(3) Please attach the surface transparent protective plate to the surface in order to protect the polarizer.
Transparent protective plate should have sufficient strength in order to the resist external force.
(4) You should adopt radiation structure to satisfy the temperature specification.
(5) Acetic acid type and chlorine type materials for the cover case are not desirable because the former
generates corrosive gas of attacking the polarizer at high temperature and the latter causes circuit break
by electro-chemical reaction.
(6) Do not touch, push or rub the exposed polarizers with glass, tweezers or anything harder than HB
pencil lead. And please do not rub with dust clothes with chemical treatment.
Do not touch the surface of polarizer for bare hand or greasy cloth.(Some cosmetics are detrimental
to the polarizer.)
(7) When the surface becomes dusty, please wipe gently with absorbent cotton or other soft materials like
chamois soaks with petroleum benzine. Normal-hexane is recommended for cleaning the adhesives
used to attach front / rear polarizers. Do not use acetone, toluene and alcohol because they cause
chemical damage to the polarizer
(8) Wipe off saliva or water drops as soon as possible. Their long time contact with polarizer causes
deformations and color fading.
(9) Do not open the case because inside circuits do not have sufficient strength.
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Product Specification
9-2. Operating Precautions
(1) The spike noise causes the mis-operation of circuits. It should be lower than following voltage :
V=·200mV(Over and under shoot voltage)
(2) Response time depends on the temperature.(In lower temperature, it becomes longer.)
(3) Brightness depends on the temperature. (In lower temperature, it becomes lower.)
And in lower temperature, response time(required time that brightness is stable after turned on)
becomes longer
(4) Be careful for condensation at sudden temperature change.Condensation makes damage to polarizer or
electrical contacted parts. And after fading condensation, smear or spot will occur.
(5) When fixed patterns are displayed for a long time, remnant image is likely to occur.
(6) Module has high frequency circuits. Sufficient suppression to the electromagnetic interference shall be
done by system manufacturers. Grounding and shielding methods may be important to minimized the
interference.
(7) Please do not give any mechanical and/or acoustical impact to LCM. Otherwise, LCM can’t be operated
its full characteristics perfectly.
(8) A screw which is fastened up the steels should be a machine screw.
(if not, it can causes conductive particles and deal LCM a fatal blow)
(9) Please do not set LCD on its edge.
(10) The conductive material and signal cables are kept away from LED driver inductor to prevent abnormal
display, sound noise and temperature rising.
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9-3. Electrostatic Discharge Control
Since a module is composed of electronic circuits, it is not strong to electrostatic discharge. Make certain that
treatment persons are connected to ground through wrist band etc. And don’t touch interface pin directly.
9-4. Precautions for Strong Light Exposure
Strong light exposure causes degradation of polarizer and color filter.
9-5. Storage
When storing modules as spares for a long time, the following precautions are necessary.
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LC420EUN
Product Specification
(1) Store them in a dark place. Do not expose the module to sunlight or fluorescent light. Keep the temperature
between 5¶C and 35¶C at normal humidity.
(2) The polarizer surface should not come in contact with any other object.
It is recommended that they be stored in the container in which they were shipped.
(3) Storage condition is guaranteed under packing conditions.
(4) The phase transition of Liquid Crystal in the condition of the low or high storage temperature will be
recovered when the LCD module returns to the normal condition.
9-6. Handling Precautions for Protection Film
(1) The protection film is attached to the bezel with a small masking tape.
When the protection film is peeled off, static electricity is generated between the film and polarizer.
This should be peeled off slowly and carefully by people who are electrically grounded and with well ion-
blown equipment or in such a condition, etc.
(2) When the module with protection film attached is stored for a long time, sometimes there remains a very
small amount of glue still on the bezel after the protection film is peeled off.
(3) You can remove the glue easily. When the glue remains on the bezel surface or its vestige is recognized,
please wipe them off with absorbent cotton waste or other soft material like chamois soaked with normal-
hexane.
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# APPENDIX-I
Pallet Ass’y
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LC420EUN
Product Specification
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NO.DESCRIPTIONMATERIAL
1LCD Module
2BAG42INCH
3TAPEMASKING 20MMX50M
4PALLETPlastic 1140X990X120mm
5PACKING,BOTTOMEPS
6PACKING,TOPEPS
7ANGLE,PACKINGPAPER
8BANDPP
9ANGLE.COVERPAPER
10BAND,CLIPSTEEL or PP
11LABELYUPO 80G 100X70
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# APPENDIX- II-1
غ LCM Label
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LC420EUN
Product Specification
Model
UL, TUV Mark
LGD Logo
US PATENT No.
LC420EUN
(SE)(M1)
Serial No.
Origin
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# APPENDIX- II-2
Pallet Label
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LC420EUN
Product Specification
LC420EUN
SEM1
16 PCS
MADE IN KOREA
001/01-01
XXXXXXXXXXXXX XXX
RoHS Verified
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# APPENDIX- III-1
Required signal assignment for Flat Link (Thine : THC63LVD103) Transmitter(Pin7= “L” or “NC”)