LM201WE4
Liquid Crystal Display
Product Specification
SPECIFICATION
FOR
APPROVAL
)
(
(
Preliminary Specification
)
Final Specification
●
20.1” WSXGA+ TFT LCDTitle
BUYER
MODEL
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APPROVED BY
/
/
/
Dell (Lite-on)
SIGNATURE
DATE
*When you obtain standard approval,
please use the above model name without suffix
APPROVED BY
Hans. Kim / G.Manager
REVIEWED BY
C.K. Lee / Manager
PREPARED BY
J.H. Oh / Engineer
LG.Philips LCD Co., Ltd.SUPPLIER
LM201WE4*MODEL
TLA1/TLA2SUFFIX
SIGNATURE
DATE
Please return 1 copy for your confirmation with
your signature and comments.
Ver. 1.0 Jan. 03. 2008
MNT Products Engineering Dept.
LG. Philips LCD Co., Ltd
1 / 32
Product Specification
Contents
LM201WE4
Liquid Crystal Display
PageITEMNo
COVER
CONTENTS
GENERAL DESCRIPTION1
ABSOLUTE MAXIMUM RATINGS2
ELECTRICAL SPECIFICATIONS3
ELECTRICAL CHARACTREISTICS3-1
INTERFACE CONNECTIONS3-2
SIGNAL TIMING SPECIFICATIONS3-3
SIGNAL TIMING WAVEFORMS3-4
COLOR INPUT DATA REFERNECE3-5
POWER SEQUENCE3-6
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VCC POWER DIP CONDITION3-7
OPTICAL SFECIFICATIONS4
MECHANICAL CHARACTERISTICS5
1
2
3RECORD OF REVISIONS
4
5
6
6
9
16
17
18
19
20
21
25
RELIABILITY6
INTERNATIONAL STANDARDS7
SAFETY7-1
EMC7-2
PACKING8
DESIGNATION OF LOT MARK8-1
PACKING FORM8-2
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28
29
29
29
30
30
30
31PRECAUTIONS9
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Product Specification
RECORD OF REVISIONS
Preliminary Specification of LM201WE4-TLA1-Sep. 12. 20070.0
Merged the LM201WE4-TLA1/TLA2 specification-Sep. 21. 20070.1
Updated the view angle (R/L 160 → 170)4
Added Note 3.(Lamp connector type)15
Added the gamma spec value (2.2±0.3)21
Added the crosstalk spec (Max 1.5)21
Added the equation and pattern of crosstalk24
Updated the Rear view drawing (Label information)27
Updated the color coordinates21Nov. 12. 20070.2
Final Specification-Jan. 03. 20081.0
7
Elimination of the sentence “The used lamp current is the lamp typical
current” in the Note8.
Low voltage lamp wire color changed from blue to white.15
LM201WE4
Liquid Crystal Display
DESCRIPTIONPageRevision DateRevision No
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Ver. 1.0 Jan. 03. 2008
3 / 32
LM201WE4
Liquid Crystal Display
Product Specification
1. General Description
LM201WE4 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 colors with A-FRC(Advanced Frame Rate Control).
It has been designed to apply the 8Bit 2 port LVDS interface.
I t is in t end e d t o s u p po rt d isp l a ys w h e re hig h br i g htne s s , s u p er wid e v i e wing ang l e ,
high color saturation, and high color are important.
RGB, Dclk, DE
Hsync, Vsync
(LVDS 2 port)
V
(+5V)
LCD
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V
Lamp
V
Lamp
General Features
CN1
(30pin)
CN2, 3(2PIN)
CN4, 5(2PIN)
Timing Control
Block
Power Circuit Block
Figure 1. Block diagram
20.1 inches(511.133mm) diagonal (Aspect ratio 16:10)Active Screen Size
459.4(H) x 296.4 (V) x 16.5(D) mm (Typ.)Outline Dimension
0.258mm x 0.258mmPixel Pitch
1680 horiz. By 1050 vert. Pixels RGB strip arrangementPixel Format
Source Driver Circuit
S1680S1
Gate Driver circuit
G1
TFT-LCD Panel
(1680 × 1050 pixels)
G1050
Backlight Assembly(4 CCFL)
16,7 M colorsColor Depth
300 cd/m2 (Center 1 point, Typ.)Luminance, White
Viewing Angle Free ( R/L 170(Typ.), U/D 160(Typ) )Viewing Angle (CR>10)
Total (25.87) Watt(Typ.) (3.67 Watt@VLCD, (22.2) Watt@300cd/[LAMP=(7.5mA)])Power Consumption
2,100 g (Typ.)Weight
Transmissive mode, Normally WhiteDisplay Operating Mode
Hard coating(3H) & Anti-Glare treatment of the front polarizerSurface Treatment
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LM201WE4
Liquid Crystal Display
Product Specification
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
Parameter Notes
Power Input Voltage
Operating Temperature
Storage Temperature
Operating Ambient Humidity
Storage Humidity
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.
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Symbol
Values
MaxMin
500TOP
60-20TST
90%
60
60%
Units
°C
°C
at 25 ± 2 °CVdc+5.5-0.3VLCD
1
1
1%RH9010HOP
1%RH9010HST
Wet Bulb
50
Temperature [C]
40
30
20
10
0
10 20 30 40 50 60 70 800-20
Dry Bulb Temperature [C]
Figure 2. Temperature and relative humidity
Ver. 1.0 Jan. 03. 2008
40%
10%
Storage
Operation
Humidity [(%)RH]
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LM201WE4
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, is typically generated by an inverter. The inverter is an
external unit to the LCDs.
Table 2. ELECTRICAL CHARACTERISTICS
Parameter Symbol
MODULE :
Differential Impedance
LAMP :
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Operating Frequency
Discharge Stabilization Time
Power Consumption
Life Time
at 25 °C
at 0 °C
Values
MaxTypMin
Vdc5.55.04.5VLCDPower Supply Input Voltage
ILCDPower Supply Input Current
Zm
11010090
900740725VBLOperating Voltage
8.07.53.0IBLOperating Current
1,000
1,300
ohm
RMS
RMS
V
RMS
V
RMS
NotesUnit
13mV100--VRFPermissive Power Input Ripple
1mA844734-
2mA1186912-
1Watt4.223.67-PLCDPower Consumption
3A3--IRUSHRush current
4, 5V
4mA
4, 6VsEstablished Starting Voltage
7kHz706040fBL
4, 8Min3Ts
9Watt24.4222.2PBL
4, 10Hrs40,000
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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LM201WE4
Liquid Crystal Display
Product Specification
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 fVis 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 500us ± 20%.(min.).
4. Specified values are for a single lamp.
5. Operating voltage is measured at 25 ± 2°C. The variance of the voltage is ± 10%.
6. The voltage above VSshould be applied to the lamps for more than 1 second for start-up.
(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. L e t ’ s def i n e the b r i g h t ness of t h e l a m p af t e r b e i n g l i g hted f or 5 m in utes as 1 0 0%.
TSis the time required for the brightness of the center of the lamp to be not less than 95%.
9. The lamp power consumption shown above does not include loss of external inverter.
The used lamp current is the lamp typical current. (PBL= VBLx IBLx N
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 ± 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.
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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.
=5.0V, 25 ± 2°C,fV=60Hz condition
LCD
)
Lamp
* Asymmetry rate:
I p
I -p
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
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 current and voltage wave form should
be synchronized
Ver. 1.0 Jan. 03. 2008
| I p– I –p| / I
* Distortion rate
I p(or I –p) / I
=5.0V, 25°C, fV(frame frequency)=MAX
LCD
rms
rms
x 100%
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Product Specification
LM201WE4
Liquid Crystal Display
• Permissive Power input ripple (V
White pattern
• Power consumption (V
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=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
[ Figure 3 ] Mosaic pattern & Black Pattern for power consumption measurement
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Max power Pattern
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LM201WE4
Liquid Crystal Display
Product Specification
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 FI-XB30SRL-HF11 manufactured by JAE or MDF76LBRW-30S-1H manufactured by Hirose.
And mating connector is FI-X30C2L or it’s compatible manufactured by JAE.
The pin configuration for the connector is shown in the table 3 and the signal mapping with LVDS transmitter
is shown in the table 4.
Table 3. MODULE CONNECTOR(CN1) PIN CONFIGURATION
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
Symbol Description
FR0M
FR0P
FR1M
FR1P
FR2M
FR2P
GND
FCLKINM
FCLKINP
FR3M
FR3P
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SR0M
SR0P
GND
SR1M
SR1P
GND
SR2M
SR2P
SCLKINM
SCLKINP
SR3M
SR3P
GND
NC
NC
PWM_OUT
VLCD
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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Product Specification
120
FI-XB30SRL-HF11 (JAE)
MDF76LBRW-30S-1H (Hirose)
Input connector
#1 #30
Back Light
LM201WE4
Liquid Crystal Display
#30#1
PCB
Rear view of LCM
[ Figure 4 ] User Connector diagram
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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.
3. All VLCD (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.
Components
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Liquid Crystal Display
Product Specification
Table 4. REQUIRED SIGNAL ASSIGNMENT FOR Flat Link (TI:SN75LVDS83) Transmitter
Pin # Require SignalPin Name Pin # Require SignalPin Name
1 Power Supply for TTL InputVCC 29 Ground pin for TTLGND
2 TTL Input (R7)D5 30 TTL Input (DE)D26
3 TTL Input (R5)D6 31 TTL Level clock InputTXCLKIN
4 TTL Input (G0)D7 32 Power Down InputPWR DWN
5 Ground pin for TTLGND 33 Ground pin for PLLPLL GND
6 TTL Input (G1)D8 34 Power Supply for PLLPLL VCC
7 TTL Input (G2)D9 35 Ground pin for PLLPLL GND
8 TTL Input (G6)D10 36 Ground pin for LVDSLVDS GND
9 Power Supply for TTL InputVCC 37 Positive LVDS differential data output 3TxOUT3＋
10 TTL Input (G7)D11 38 Negative LVDS differential data output 3TxOUT3－
LM201WE4
11 TTL Input (G3)D12 39 Positive LVDS differential clock outputTXCLKOUT＋
12 TTL Input (G4)D13 40 Negative LVDS differential clock outputTXCLKOUT－
13 Ground pin for TTLGND 41 Positive LVDS differential data output 2TXOUT2＋
14 TTL Input (G5)D14 42 Negative LVDS differential data output 2TXOUT2－
15 TTL Input (B0)D15 43 Ground pin for LVDSLVDS GND
16 TTL Input (B6)D16 44 Power Supply for LVDSLVDS VCC
17 Power Supply for TTL InputVCC 45 Positive LVDS differential data output 1TXOUT1＋
19 TTL Input (B1)D18
20 TTL Input (B2)D19
22 TTL Input (B3)D20
23 TTL Input (B4)D21
24 TTL Input (B5)D22
25 TTL Input (RSVD)D23
26 Power Supply for TTL InputVCC 54 TTL Input (R2)D2
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46 Negative LVDS differential data output 1TXOUT1－18 TTL Input (B7)D17
47 Positive LVDS differential data output 0TXOUT0＋
48 Negative LVDS differential data output 0TXOUT0－
49 Ground pin for LVDSLVDS GND21 Ground pin for TTL InputGND
50 TTL Input (R6)D27
51 TTL Input (R0)D0
52 TTL Input (R1)D1
53 Ground pin for TTLGND
55 TTL Input (R3)D327 TTL Input (HSYNC)D24
56 TTL Input (R4)D428 TTL Input (VSYNC)D25
Notes : 1. Refer to LVDS Transmitter Data Sheet for detail descriptions.
2. 7 means MSB and 0 means LSB at R,G,B pixel data
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LVDS Input characteristics
1. DC Specification
LM201WE4
Liquid Crystal Display
Product Specification
NotesUnitMaxMinSymbolDescription
LVDS Common mode Voltage
LVDS Input Voltage Range
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2. AC Specification
LVDS Clock to Data Skew Margin
LVDS Clock to Clock Skew Margin (Even to Odd)
Maximum deviation
of input clock frequency during SSC
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CM
IN
SKEW
SKEW
SKEW_EO
DEV
- 600
- 1/7
-mV600100|VID|LVDS Differential Voltage
-V1.80.6V
-V2.10.3V
NotesUnitMaxMinSymbolDescription
85MHz > Fclk ≥ 65MHzps+ 400- 400t
65MHz > Fclk ≥ 25MHz
ps+ 600t
+ 1/7t
T
clk
%± 3-F
-
-
Maximum modulation frequency
of input clock during SSC
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MOD
KHz200-F
-
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Freq.
F
max
F
center
F
min
Product Specification
< Clock skew margin between channel >
LM201WE4
Liquid Crystal Display
F
* F
center
DEV
3. Data Format
1) LVDS 2 Port
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1
F
MOD
< Spread Spectrum >
Time
< LVDS Data Format >
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2) LVDS 1 Port
RCLK+
LM201WE4
Liquid Crystal Display
Product Specification
RA+/-
RB+/-
RC+/-
RD+/-
R3 R2
G4 G3
B5 B4
G7 G6
Previous (N-1 )th Cycle Next (N+1) th Cycle
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R1 R0
G2 G1
B3 B2
R7 R6
G0 R5 R4 R3 R2 R1 R0
B1 B0 G5 G4 G3 G2 G1
DE VSYNC HSYNC B5 B4 B3 B2
X B7 B6 G7 G6 R7 R6
Current (Nth ) Cycle
G0
B1
DE
VSYNC HSYNC
X
R5 R4
B0 G5
B7 B6
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LM201WE4
Liquid Crystal Display
Product Specification
Table 5. BACKLIGHT CONNECTOR PIN CONFIGURATION(CN2,CN3,CN4,CN5)
The backlight interface connector is a model 35001HS-02LD manufactured by Yeonho. The mating
connector part number are SM02B-BHSS-1-TB(2pin) or equivalent. The pin configuration for the connector is
shown in the table below.
Pin
1
2
Note : 1. The high voltage power terminal is colored Gray, Sky blue
Up Side
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Down Side
Symbol
HV
LV
The low voltage pin color is Black, white.
2. The backlight ground should be common with LCD metal frame.
3. 35001HS-02LD (Locking type)
Lamp1
Lamp2
Lamp3
Description
High Voltage for Lamp
Low Voltage for Lamp
NOTES
1
1, 2
CN2
CN3
CN4
Lamp4
[ Figure 5 ] Backlight connector diagram
Ver. 1.0 Jan. 03. 2008
CN5
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LM201WE4
Liquid Crystal Display
Product Specification
3-3. Signal Timing Specifications
This is the signal timing required at the input of the User connector. All of the interface signal timing should be
satisfied with the following specifications for it’s proper operation.
Table 6. Timing Table
NoteUnitMaxTypMinSymbolITEM
DCLK
Hsync
Vsync
DE
(Data
Enable)
ns21.116.812.19tCLKPeriod
MHz8259.547.375-Frequency
tCLK1200920880tHPPeriod
81.52264.67451.495fHFrequency
20563tWVWidth
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Horizontal Blank
-
840840840tHVHorizontal Valid
2004016tHBPHorizontal Back Porch
962416tHFPHorizontal Front Porch
3608040
105010501050tVVVertical Valid
KHz
tCLK64168tWHWidth
tHP130010801060tVPPeriod
Hz776048fVFrequency
tHP
tCLK
Pixel frequency
: Typ. 119MHz
(2pixel/clk)
39215tVBPVertical Back Porch
tHP
632tVFPVertical Front Porch
2503010-Vertical Blank
Notes: Hsync period and Hsync width-active should be even number times of tCLK. If the value is odd number
times of tCLK, display control signal can be asynchronous. In order to operate this LCM a Hsync,
Vsync, and DE(data enable) signals should be used.
1. The performance of the electro-optical characteristics may be influenced by variance of the vertical
refresh rates.
2. Vsync and Hsync should be keep the above specification.
3. Hsync Period, Hs ync W idth, and Horizontal Back Porch should be any times of character
number(8).
4. The polarity of Hsync, Vsync is not restricted.
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3-4. Signal Timing Waveforms
LM201WE4
Liquid Crystal Display
Product Specification
DCLK
First data
Second data
DE(Data Enable)
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Hsync, Vsync, DE, Data
tCLK
0.5 VCC
Invalid data
Invalid data
Valid data
Pixel 0,0
Valid data
Pixel 1,0
0.7VCC
Pixel 2,0
Pixel 3,0
0.3VCC
Invalid data
Invalid data
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tHP
HSync
DE(Data Enable)
VSync
DE(Data Enable)
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tWH
tHBP tHV
tVP
tWV
tVBP
[ Figure 6 ] Signal timing waveforms
tVV
tHFP
tVFP
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LM201WE4
Liquid Crystal Display
Product Specification
3-5. Color Data Reference
The Brightness of each primary color(red,green,blue) is based on the 8-bit gray scale data input for the color;
the higher the binary input, the brighter the color. The table below provides a reference for color versus data
input.
Table 7. COLOR DATA REFERENCE
Input Color Data
Basic
Color
RED
Color
Black 0 0 0 0 0 0 0 00 0 0 0 0 0 0 00 0 0 0 0 0 0 0
Red (255)
Green (255)
Blue (255)
Cyan
Magenta
Yellow
White
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MSB LSB
RED
MSB LSB
GREEN
MSB LSB
B7 B6 B5 B4 B 3 B2 B1 B0G7 G6 G5 G4 G3 G2 G1 G0R7 R6 R5 R4 R3 R2 R1 R0
0 0 0 0 0 0 0 00 0 0 0 0 0 0 01 1 1 1 1 1 1 1
0 0 0 0 0 0 0 01 1 1 1 1 1 1 10 0 0 0 0 0 0 0
1 1 1 1 1 1 1 10 0 0 0 0 0 0 00 0 0 0 0 0 0 0
1 1 1 1 1 1 1 11 1 1 1 1 1 1 10 0 0 0 0 0 0 0
1 1 1 1 1 1 1 10 0 0 0 0 0 0 01 1 1 1 1 1 1 1
0 0 0 0 0 0 0 01 1 1 1 1 1 1 11 1 1 1 1 1 1 1
1 1 1 1 1 1 1 11 1 1 1 1 1 1 11 1 1 1 1 1 1 1
0 0 0 0 0 0 0 00 0 0 0 0 0 0 00 0 0 0 0 0 0 0RED (000) Dark
0 0 0 0 0 0 0 00 0 0 0 0 0 0 00 0 0 0 0 0 0 1RED (001)
0 0 0 0 0 0 0 00 0 0 0 0 0 0 01 1 1 1 1 1 1 0RED (254)
0 0 0 0 0 0 0 00 0 0 0 0 0 0 01 1 1 1 1 1 1 1RED (255)
0 0 0 0 0 0 0 00 0 0 0 0 0 0 00 0 0 0 0 0 0 0GREEN (000) Dark
BLUE
............
GREEN
BLUE (000) Dark
BLUE
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0 0 0 0 0 0 0 00 0 0 0 0 0 0 10 0 0 0 0 0 0 0GREEN (001)
............
0 0 0 0 0 0 0 01 1 1 1 1 1 1 00 0 0 0 0 0 0 0GREEN (254)
0 0 0 0 0 0 0 01 1 1 1 1 1 1 10 0 0 0 0 0 0 0GREEN (255)
0 0 0 0 0 0 0 00 0 0 0 0 0 0 00 0 0 0 0 0 0 0
0 0 0 0 0 0 0 10 0 0 0 0 0 0 00 0 0 0 0 0 0 0BLUE (001)
............
1 1 1 1 1 1 1 00 0 0 0 0 0 0 00 0 0 0 0 0 0 0BLUE (254)
1 1 1 1 1 1 1 10 0 0 0 0 0 0 00 0 0 0 0 0 0 0BLUE (255)
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3-6. Power Sequence
Power Supply, VLCD
LM201WE4
Liquid Crystal Display
Product Specification
90% 90%
Interface Signal, Vi
(Digital RGB signal,
SCDT ,Vsync, Hsync,
DE, Clock to PanelLink
Transmitter)
Power Supply for
Backlight Inverter
Table 8. POWER SEQUENCE
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Parameter
10%
T2 T5 T7
T1
Valid data
0V
OFF
[ Figure 7 ] Power sequence
T3
Lamp on
Values
T4
T6
MaxTypMin
10%
--200T4
OFF
Units
ms10-0.5T1
ms50-0.01T2
ms--200T3
ms
ms50-0.01T5
ms1000-0.01T6
Notes : 1. Please avoid floating state of interface signal at invalid period.
2. When the interface signal is invalid, be sure to pull down the power supply for LCD V
3. Lamp power must be turn on after power supply for LCD an interface signal are valid.
Ver. 1.0 Jan. 03. 2008
LCD
s--1T7
to 0V.
19 / 32
Product Specification
LM201WE4
Liquid Crystal Display
3-6. V
Power Dip Condition
LCD
3.5V
t
d
[ Figure 8 ] Power dip condition
V
LCD
4.5V
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1) Dip condition
3.5V ≤V
2) V
＜ 3.5V
LCD
V
-dip conditions should also follow the Power On/Off conditions for supply voltage.
LCD
＜ 4.5V , td≤20ms
LCD
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LM201WE4
Liquid Crystal Display
Product Specification
4. Optical Specification
Optical characteristics are determined after the unit has been ‘ON’ and stable for approximately 30 minutes in
a dark environment at 25±2°C. The values specified are at an approximate distance 50cm from the LCD
surface at a viewing angle of Φ and θ equal to 0 °.
FIG. 9 presents additional information concerning the measurement equipment and method.
Optical Stage(x,y)
[Figure 9] Optical characteristic measurement equipment and method
LCD Module
50cm
Pritchard 880 or
equivalent
Table 9. OPTICAL CHARACTERISTICS
SymbolParameter
Surface Luminance, white
Luminance Variation
Response Time
Color Coordinates
[CIE1931]
Viewing Angle (CR>10)
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WHITE
Rise Time
Decay Time
RED
GREEN
BLUE
WHITE
x axis, right(φ=0°)
x axis, left (φ=180°)
y axis, up (φ=90°)
y axis, down (φ=270°)
WH
Rx
Ta=25 °C, V
9P
R
D
Typ
-0.03
=5.0V, fV=60Hz Dclk=119MHz, IBL=(7.5)mA
LCD
Values
0.654
0.331Ry
0.220Gx
0.679Gy
0.148Bx
0.055By
0.313Wx
0.329Wy
8570θl
7560θu
8570θd
2.2
MaxTypMin
-1000600CRContrast Ratio
-300250L
Typ
+0.03
Units
2
Notes
1
2cd/m
3%75δ
4ms2.61.1-Tr
4ms7.43.9-Tr
5Degree8570θr
62.51.9Gray Scale (Gamma)
7%1.5--Crosstalk
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Product Specification
…
Notes 1. Contrast Ratio(CR) is defined mathematically as :
LM201WE4
Liquid Crystal Display
Contrast Ratio =
2. Surface luminance is luminance value at No.1 point across the LCD surface 50cm
from the surface with all pixels displaying white. For more information see FIG 10.
3. The variation in surface luminance , δ WHITE is defined as :
δ
WHITE
Measuring point for surface luminance & measuring point for luminance variation
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B
Surface Luminance with all white pixels
Surface Luminance with all black pixels
)L .. ,L,Minimum(L
on9on2on1
=
H
A
2 3
×
)L .... ,L ,(L Maximum
on9on2on1
(%)100
4
H/10
V
V/10
A : H/4 mm
B : V/4 mm
@ H,V : Active Area
Ver. 1.0 Jan. 03. 2008
5
7 8
[ FIG. 10 ] Measure Point for Luminance
1
6
9
Active Area
22 / 32
Liquid Crystal Display
Product Specification
4. The response time is defined as the following figure and shall be measured by switching
the input signal for “black” and “white”.
Response time is the time required for the display to transition from white to black (Rise Time,
TrR) and from black to white (Decay Time, TrD).
LM201WE4
%
100
90
Optical
response
10
5. Viewing angle is the angle at which the contrast ratio is greater than 10 or 5. 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 surface. For more information see FIG. 10 .
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<Dimension of viewing angle range>
white black white
0
Tr
R
[ FIG. 11 ] Response Time
Normal
E
Y
φ
= 90°, Up
Tr
D
φ
= 180°, Left
φ
= 270°, Down
[ FIG. 12 ] Viewing angle
Ver. 1.0 Jan. 03. 2008
θ
φ
φ
= 0°, Right
23 / 32
6. Gray scale specification
Gamma Value is approximately 2.2. For more information see Table 10.
Table 10. Gray Scale Specification
LM201WE4
Liquid Crystal Display
Product Specification
Relative Luminance [%] (Typ.)Gray Level
0.110
15
79
95
191
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207
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223
239
255
0.31
1.0831
2.5347
4.7263
7.69
11.49
16.14111
21.66127
28.09143
35.45159
43.74175
53.00
63.24
74.48
86.73
100
7. Crosstalk
The equation of crosstalk : (L
Pattern 1 : (Half gray: gray 127)
A/2
L
A1
B
L
B1
L
C1
A
Ver. 1.0 Jan. 03. 2008
A/8
L
D1
A[or C]2-LA[or C]1
(L
B[or D]2-LB[or D]1
Pattern 2 : (Background: gray 127, Rectangular: gray 0, gray255 )
B/8
B/2
[ FIG. 13 ] Crosstalk Patten
/L
/L
) ×100(%) [Vertical],
A[or C]1
) ×100(%) [Horizontal]
B[or D]1
A/4 A/2 A/4
L
L
B2
L
A2
L
D2
C2
B/4
B/2
B/4
24 / 32
LM201WE4
Liquid Crystal Display
Product Specification
5. Mechanical Characteristics
The contents provide general mechanical characteristics. In addition the figures in the next page are detailed
mechanical drawing of the LCD.
459.4mmHorizontal
Outline Dimension
Bezel Area
Active Display Area
2,100 g (Typ.), 2,200 g (Max.)Weight
Surface Treatment
Notes : Please refer to a mechanic drawing in terms of tolerance at the next page.
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Hard coating(3H)
Anti-Glare treatment of the front polarizer
296.4mmVertical
16.5mmDepth
438.4mmHorizontal
275.9mmVertical
433.44mmHorizontal
270.90mmVertical
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25 / 32
<FRONT VIEW>
LM201WE4
Liquid Crystal Display
Product Specification
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Ver. 1.0 Jan. 03. 2008
26 / 32
<REAR VIEW>
LM201WE4
Liquid Crystal Display
Product Specification
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Product Specification
6. Reliability
Environment test condition
No Test Item Condition
LM201WE4
Liquid Crystal Display
1
2
3
4
5
6
7
Vibration test
(non-operating)
Shock test
(non-operating)
Altitude
operating
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storage / shipment
Ta= 60°C 240hHigh temperature storage test
Ta= -20°C 240hLow temperature storage test
Ta= 50°C 50%RH 240hHigh temperature operation test
Ta= 0°C 240hLow temperature operation test
Wave form : random
Vibration level : 1.0G RMS
Bandwidth : 10-300Hz
Duration : X,Y,Z, 30 min
One time each direction
Shock level : 120G
Waveform : half sine wave, 2ms
Direction : ±X, ±Y, ±Z
One time each direction
0 - 10,000 feet(3048m)
0 - 40,000 feet(12,192m)
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LM201WE4
Liquid Crystal Display
Product Specification
7. International Standards
7-1. Safety
a) UL 60950-1:2003, First Edition, Underwriters Laboratories, Inc.,
Standard for Safety of Information Technology Equipment.
b) CAN/CSA C22.2, No. 60950-1-03 1stEd. April 1, 2003, Canadian Standards Association,
Standard for Safety of Information Technology Equipment.
c) EN 60950-1:2001, First Edition,
European Committee for Electrotechnical Standardization(CENELEC)
European Standard for Safety of Information Technology Equipment.
d) RoHS, Directive 2002/95/EC of the European Parlianment and of the council of 27 January 2003
7-2. EMC
a) ANSI C63.4 “Methods of Measurement of Radio-Noise Emissions from Low-Voltage Electrical and
Electrical Equipment in the Range of 9kHZ to 40GHz. “American National Standards Institute(ANSI),
1992
b) C.I.S.P.R “Limits and Methods of Measurement of Radio Interface Characteristics of Information
Technology Equipment.“ International Special Committee on Radio Interference.
c) EN 55022 “Limits and Methods of Measurement of Radio Interface Characteristics of Information
Technology Equipment.“ European Committee for Electrotechnical Standardization.(CENELEC), 1998
( Including A1: 2000 )
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29 / 32
Product Specification
8. Packing
8-1. Designation of Lot Mark
a) Lot Mark
A B C D E F G H I J K L M
A,B,C : SIZE(INCH) D : YEAR
E : MONTH F ~ M : SERIAL NO.
Note
1. YEAR
LM201WE4
Liquid Crystal Display
Year
Mark
2. MONTH
Month
Mark
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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.
200320022001
321
200452005
4
Apr5May
4
2006720078200892009
6
Jun7Jul8Aug9Sep
6
8-2. Packing Form
a) Package quantity in one box : 8pcs
b) Box Size : 370mm × 320mm × 521mm
2010
0
Oct
A
Nov
B
DecMarFebJan
C321
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LM201WE4
Liquid Crystal Display
Product Specification
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 holes arranged in four corners or four sides.
(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 benzene. 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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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 not be
operated its full characteristics perfectly.
(8) A screw which is fastened up the steels should be a machine screw (if not, it causes metallic foreign
material and deal LCM a fatal blow)
(9) Please do not set LCD on its edge.
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LM201WE4
Liquid Crystal Display
Product Specification
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.
(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.
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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