LG Display LM201WE3-TLK3 Specification
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LM201WE3
Liquid Crystal Display
Product Specification
SPECIFICATION
FOR
APPROVAL
)
(
(
Preliminary Specification
)
Final Specification
Title 20.1” WSXGA+ TFT LCD
BUYER
MODEL
APPROVED BY
*When you obtain standard approval,
please use the above model name without suffix
SIGNATURE
DATE
/
/
APPROVED BY
Hans. Kim / G.Manager
REVIEWED BY
C. K. LEE / Manager [C]
J. H. LEE / Manager [M]
LG. Display LCD Co., Ltd.SUPPLIER
LM201WE3*MODEL
TLK3SUFFIX
SIGNATURE
DATE
Y. S. Lee / Manager [P]
PREPARED BY
/
J.H. Oh / Engineer
Please return 1 copy for your confirmation with
your signature and comments.
Ver. 1.0 Sep. 17. 2008
MNT Products Engineering Dept.
LG Display Co., Ltd
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LM201WE3
Liquid Crystal Display
Product Specification
Contents
COVER
CONTENTS
RECORD OF REVISIONS 3
1 GENERAL DESCRIPTION
2 ABSOLUTE MAXIMUM RATINGS
3 ELECTRICAL SPECIFICATIONS
3-1 ELECTRICAL CHARACTREISTICS
3-2 INTERFACE CONNECTIONS
3-3 SIGNAL TIMING SPECIFICATIONS
3-4 SIGNAL TIMING WAVEFORMS
3-5 COLOR INPUT DATA REFERNECE
3-6 POWER SEQUENCE
3-7 VCC POWER DIP CONDITION
4 OPTICAL SFECIFICATIONS
5 MECHANICAL CHARACTERISTICS
1
2
4
5
6
6
9
16
17
18
19
20
21
25
6 RELIABILITY
7 INTERNATIONAL STANDARDS
7-1 SAFETY
7-2 EMC 29
7-3 ENVIRONMENT 29
8 PACKING
8-1 DESIGNATION OF LOT MARK
8-2 PACKING FORM
9 PRECAUTIONS 31
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Revision No Revision Date Page DESCRIPTION
1.0 Sep. 04. 2008 - Final Specification of LM201WE3-TLK3
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LM201WE3
Liquid Crystal Display
Product Specification
RECORD OF REVISIONS
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t
1. General Description
LM201WE3 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 White mode. It has a 20.1 inch diagonally
measured active display area with WSXGA+ resolution (1050 vertical by 1680 horizontal pixel array)
Each pixel is divided into Red, Green and Blue sub-pixels or dots which are arranged in vertical stripes.
Gray scale or the brightness 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 colo
It has been designed to apply the 8Bit 2 port LVDS interface.
It is intended to support displays where high brightness, super wide viewing angle,
high color saturation, and high color are important.
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LM201WE3
Liquid Crystal Display
Product Specification
rs with A-FRC(Advanced Frame Rate Control).
RGB, Dclk, DE
Hsync, Vsync
(LVDS 2 port)
(+5V)
V
LCD
CN1
(30pin)
Timing Control
Block
Gate Driver circuit
G1
TFT-LCD Panel
Source Driver Circuit
(1680 u 1050 pixels)
V
V
Lamp
Lamp
Power Circuit Block
G1050
CN2, 3(2PIN)
Backlight Assembly(4 CCFL)
CN4, 5(2PIN)
Figure 1. Block diagram
General Features
Active Screen Size 20.1 inches(511.133mm) diagonal (Aspect ratio 16:10)
Outline Dimension 459.4(H) x 296.4 (V) x 16.5(D) mm (Typ.)
Pixel Pitch 0.258mm x 0.258mm
Pixel Format 1680 horiz. By 1050 vert. Pixels RGB strip arrangement
Color Depth 16,7 M colors
Luminance, White 300 cd/m2 (Center 1 point, Typ.)
Viewing Angle (CR>10) Viewing Angle Free ( R/L 170(Typ.), U/D 160(Typ) )
Power Consumption Total 26.98 Watt(Typ.) (4.78 Watt@V
Weight 2,100 g (Typ.)
Display Operating Mode Transmissive mode, Normally White
Surface Treatment Hard coating(3H) & Anti-Glare treatment of the front polarizer
, 22.2 Watt@300cd/[LAMP=(7.5mA)])
LCD
S1680S1
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2. Absolute Maximum Ratings
The following are maximum values which, if exceeded, may cause faulty operation or damage to the unit.
Table 1. ABSOLUTE MAXIMUM RATINGS
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LM201WE3
Liquid Crystal Display
Product Specification
Parameter
LCD
Power Input Voltage
Operating Temperature
Storage Temperature
Operating Ambient Humidity
Storage Humidity
V
OP
T
ST
T
OP
H
ST
H
Note : 1. Temperature and relative humidity range
Wet bulb temperature should be 39 ¶C Max, and no condensation of water.
Values
Min Max
-0.3 +5.5 Vdc GY\Gr YG¶j
0 50
-20 60
10 90 %RH 1
10 90 %RH 1
Units
¶C
¶C
NotesSymbol
1
1
are shown in the figure below.
ڔڋڀ
ڑڋ
ڑڋڀ
ڲۀۏٻڝېۇڽ
ڐڋ
گۀۈۋۀۍڼۏېۍۀٻڶڞڸ
ڏڋ
ڎڋ
ڍڋ
ڌڋ
ڋ
ڌڋ ڍڋ ڎڋ ڏڋ ڐڋ ڑڋ ڒڋ ړڋڋڈڍڋ
ڟۍ۔ٻڝېۇڽٻگۀۈۋۀۍڼۏېۍۀٻڶڞڸ
Figure 2. Temperature and relative humidity
Ver. 1.0 Sep. 17. 2008
ڏڋڀ
ڌڋڀ
ڮۏۊۍڼۂۀ
ڪۋۀۍڼۏۄۊۉ
ڣېۈۄڿۄۏ۔ٻڶڃڀڄڭڣڸ
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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, is typically generated by an inverter. The inverter is an
external unit to the LCDs.
Table 2. ELECTRICAL CHARACTERISTICS
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LM201WE3
Liquid Crystal Display
Product Specification
Parameter Symbol
MODULE :
Power Supply Input Voltage V
Permissive Power Input Ripple VRF - - 100 mV 13
Power Supply Input Current ILCD
Differential Impedance
Power Consumption P
Rush current I
LAMP :
Operating Voltage VBL 725 740 900 V
Operating Current IBL 3.0 7.5 8.0 mA
Established Starting Voltage Vs 4, 6
LCD
Zm
LCD
RUSH
Min Typ Max
4.5 5.0 5.5 Vdc
- 955 1099 mA 1
- 1145 1489 mA 2
90 100 110
- 4.78 5.49 Watt 1
- - 3 A 3
at 25 ¶C
at 0 ¶C
Operating Frequency
Discharge Stabilization Time
Power Consumption
Life Time
fBL 40 60 70 kHz 7
Ts 3 Min 4, 8
P
BL
50,000 Hrs 4, 10
Values
Unit Notes
ohm
RMS
RMS
1,250 V
1,550 V
22.2 24.4 Watt 9
RMS
RMS
4, 5
4
Note : The design of the inverter must have specifications for the lamp in LCD Assembly.
The performance of the Lamp in LCM, for example life time or brightness, is extremely influenced by
the 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) never occurs. When you confirm it, the LCD–
Assembly should be operated in the same condition as installed in you instrument.
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Note. Do not attach a conducting tape to lamp connecting wire. If the lamp wire attach to a conducting tape,
TFT-LCD Module has a low luminance and the inverter has abnormal action. Because leakage current
is occurred between lamp wire and conducting tape.
1. The specified current and power consumption are under the V
whereas mosaic pattern(8 x 6) is displayed and f
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 500us r 20%.(min.).
4. Specified values are for a single lamp.
5. Operating voltage is measured at 25 r 2¶C. The variance of the voltage is r 10%.
6. The voltage above V
(Inverter open voltage must be more than lamp starting voltage.)
Otherwise, the lamps may not be turned on. The used lamp current is the lamp typical current.
7. Lamp frequency may produce interface with horizontal synchronous frequency and as a result this may
cause beat on the display. Therefore lamp frequency shall be as away possible from the horizontal
synchronous frequency and from its harmonics in order to prevent interference.
8. Let’s define the brightness of the lamp after being lighted for 5 minutes as 100%.
is the time required for the brightness of the center of the lamp to be not less than 95%.
T
S
9. The lamp power consumption shown above does not include loss of external inverter.
The used lamp current is the lamp typical current. (P
10. The life is determined as the time at which brightness of the lamp is 50% compared to that of initial
value at the typical lamp current on condition of continuous operating at 25 r 2¶C.
11. The output of the inverter must have symmetrical (negative and positive) voltage waveform and
symmetrical current waveform (Unsymmetrical ratio is less than 10%). Please do not use the inverter
which has unsymmetrical voltage and unsymmetrical current and spike wave.
Requirements for a system inverter design, which is intended to have a better display performance,
a better power efficiency and a more reliable lamp, are following.
It shall help increase the lamp lifetime and reduce leakage current.
a. The asymmetry rate of the inverter waveform should be less than 10%.
b. The distortion rate of the waveform should be within ˲2 ·10%.
* Inverter output waveform had better be more similar to ideal sine wave.
should be applied to the lamps for more than 1 second for start-up.
S
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Product Specification
is the frame frequency.
V
= VBLx IBLx N
BL
Liquid Crystal Display
=5.0V, 25 r 2¶C,fV=60Hz condition
LCD
)
Lamp
LM201WE3
* Asymmetry rate:
I
p
| I
p
–I –p| / I
rms
x 100%
* Distortion rate
I -p
I
(or I –p) / I
p
rms
12. The inverter which is combined with this LCM, is highly recommended to connect coupling(ballast)
condenser at the high voltage output side. When you use the inverter which has not coupling(ballast)
condenser, it may cause abnormal lamp lighting because of biased mercury as time goes.
13. Permissive power ripple should be measured under V
=5.0V, 25¶C, fV(frame frequency)=MAX
LCD
condition and At that time, we recommend the bandwidth configuration of oscilloscope is to be under
20Mhz. See the figure 3.
14. In case of edgy type back light with over 4 parallel lamps, input cur
rent and voltage wave form should
be synchronized
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LM201WE3
Liquid Crystal Display
Product Specification
• Permissive Power input ripple (V
White pattern
• Power consumption (V
=5.0V, 25¶C, fV (frame frequency=60Hz condition)
LCD
=5.0V, 25¶C, fV(frame frequency)=MAX condition)
LCD
Black pattern
Typical power Pattern
Max power Pattern
[ Figure 3 ] Mosaic pattern & Black Pattern for power consumption measurement
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3-2. Interface Connections
Interface chip must be used LVDS, part No. THC63LVD823 (Tx, THINE) or compatible.
This LCD employs a interface connection, a 30 pin connector is used for the module electronics interface.
Four 2pin connectors are used for the integral backlight system. The electronics interface connector is
a model IS100-L30O-C23 manufactured by UJU or compatible.
And mating connector is FI-X30C2L or it’s compatible manufactured by JAE.
The pin configuration for the connector is shown in the
is shown in the table 4.
Table 3. MODULE CONNECTOR(CN1) PIN CONFIGURATION
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LM201WE3
Liquid Crystal Display
Product Specification
table 3 and the signal mapping with LVDS transmitter
Pin No
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
27
28
29
30
΄ΪΞΓΠΝ ͵ΖΤΔΣΚΡΥΚΠΟ
FR0M
FR0P
FR1M
FR1P
FR2M
FR2P
GND
FCLKINM
FCLKINP
FR3M
FR3P
SR0M
SR0P
GND
SR1M
SR1P
GND
SR2M
SR2P
SCLKINM
SCLKINP
SR3M
SR3P
GND
NC
NC
PWM_OUT
LCD
V
VLCD
VLCD
Minus signal of odd channel 0 (LVDS)
Plus signal of odd channel 0 (LVDS)
Minus signal of odd channel 1 (LVDS)
Plus signal of odd channel 1 (LVDS)
Minus signal of odd channel 2 (LVDS)
Plus signal of odd channel 2 (LVDS)
Ground
Minus signal of odd clock channel (LVDS)
Plus signal of odd clock channel (LVDS)
Minus signal of odd channel 3 (LVDS)
Plus signal of odd channel 3 (LVDS)
Minus signal of even channel 0 (LVDS)
Plus signal of even channel 0 (LVDS)
Ground
Minus signal of even channel 1 (LVDS)
Plus signal of even channel 1 (LVDS)
Ground
Minus signal of even channel 2 (LVDS)
Plus signal of even channel 2 (LVDS)
Minus signal of even clock channel (LVDS)
Plus signal of even clock channel (LVDS)
Minus signal of even channel 3 (LVDS)
Plus signal of even channel 3 (LVDS)
Ground
No Connection (I2C Serial interface for P-VCOM)
No Connection (I2C Serial interface for P-VCOM)
PWM_OUT signal for control burst frequency of Inverter
Power Supply +5.0V
Power Supply +5.0V
Power Supply +5.0V
First data
Second data
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#1
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LM201WE3
Liquid Crystal Display
Product Specification
IS100-L30O-C23 (UJU)
#30
Note: 1. NC: No Connection.
2. All GND(ground) pins should be connected together and to Vss which should also be connected to
the LCD’s metal frame.
1’st signal pairs
Power(5V)
2’nd signal pairs
PWM_out
پڌ
PCB
Input connector
BackLight
ڭۀڼۍٻۑۄۀےٻۊہٻڧڞڨ
پڎڋ
[ Figure 4 ] User Connector diagram
PCB
3. All V
LCD
(power input) pins should be connected together.
4. Input Level of LVDS signal is based on the IEA 664 Standard.
5. PWM_OUT signal controls the burst frequency of a inverter.
This signal is synchronized with vertical frequency.
It’s frequency is 3 times of vertical frequency, and it’s duty ratio is 50%.
If you don’t use this pin, it is no connection.
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