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LP141WX3
Liquid Crystal Display
Product Specification
SPECIFICATION
FOR
APPROVAL
( ) Preliminary Specification
( ) Final Specification
Title 14.1" WXGA TFT LCD
Customer HP SUPPLIER LG Display Co., Ltd.
MODEL *MODEL LP141WX3
Suf f ix TLN4
*When you obtain standard approval,
please use the above model name without suf f ix
APPROVED BY SIGNATURE APPROVED BY SIGNATURE
G.J. Kwon / G.Manager
/
REVIEWED BY
/
S. R. Kim / Manager
/ PREPARED BY
S.Y. Kim / Engineer
M.S. Ahn / Engineer
Please return 1 copy f or your conf irmation with Products Engineering Dept.
your signature and comments. LG Display Co., Ltd
Ver. 1.0 Nov. 25, 2009 1 / 31
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LP141WX3
Liquid Crystal Display
Product Specification
Contents
No ITEM Page
COVER 1
CONTENTS 2
RECORD OF REVISIONS 3
1 GENERAL DESCRIPTION 4
2 ABSOLUTE MAXIMUM RATINGS 5
3 ELECTRICAL SPECIFICATIONS
3-1 ELECTRICAL CHARACTREISTICS 6
3-2 INTERFACE CONNECTIONS 8
3-3 LVDS SIGNAL TIMING SPECIFICATIONS 9
3-4 SIGNAL TIMING SPECIFICATIONS 11
3-5 SIGNAL TIMING WAVEFORMS 11
3-6 COLOR INPUT DATA REFERNECE 12
3-7 POWER SEQUENCE 13
4 OPTICAL SFECIFICATIONS 14
5 MECHANICAL CHARACTERISTICS 17
6 RELIABLITY 24
7 INTERNATIONAL STANDARDS
7-1 SAFETY 25
7-2 EMC 25
8 PACKING
8-1 DESIGNATION OF LOT MARK 26
8-2 PACKING FORM 26
9 PRECAUTIONS 27
A APPENDIX. Enhanced Extended Display Identification Data 29
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LP141WX3
Liquid Crystal Display
Product Specification
RECORD OF REVISIONS
EDID
Revision No Revision Date Page Description
ver
0.0 Sep. 24. 2009 - First Draft (Preliminary Specification) 0.0
1.0 Nov. 25. 2009 - Final Specification 1.0
19 Update the Drawing
26 Update the Packing Information
29~31 Update the EDID DATA
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LP141WX3
Liquid Crystal Display
Product Specification
1. General Description
The LP141WX3 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. This TFT-LCD has 14.1 inches diagonally
measured active display area with WXGA resolution(800 vertical by 1280 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 6-bit gray scale signal for each dot, thus,
presenting a palette of more than 262,144 colors.
The LP141WX3 has been designed to apply the interf ace method that enables low power, high speed, low
EMI.
The LP141WX3 is intended to support applications where thin thickness, low power are critical f actors and
graphic displays are important. In combination with the vertical arrangement of the sub-pixels, the
LP141WX3 characteristics provide an excellent f lat display for off ice automation products such as Notebook
PC.
'
General Features
Active Screen Size 14.1 inches diagonal
Outline Dimension 319.5(H,Typ.) 205.5(V,Typ.) 5.5(D,Max) [mm]
Pixel Pitch 0.2373mm 0.2373 mm
Pixel Format 1280 horiz. By 800 vert. Pixels RGB strip arrangement
Color Depth 6-bit, 262,144 colors
Luminance, White 200 cd/m 2(Typ.5 point)
Power Consumption Total 5.2 Watt(Typ.) @ LCM circuit 1.2 Watt (Typ._Mosaic), B/L input 4.0Watt(Typ.)
Weight 400g(Max.)
Display Operating Mode Transmissive mode, normally white
Surface Treatment Glare treatment of the front polarizer
RoHS Comply Yes
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LP141WX3
Liquid Crystal Display
Product Specification
2. Absolute Maximum Ratings
The f ollowing are maximum values which, if exceeded, may cause f aulty operation or damage to the unit.
Table 1. ABSOLUTE MAXIMUM RATINGS
Values
Parameter Symbol Units Notes
Min Max
Power Input Voltage VCC -0.3 4.0 Vdc at 25 r 5qC
Operating Temperature TOP 0 50 qC 1
Storage Temperature HST -20 60 qC 1
Operating Ambient Humidity H OP 10 90 %RH 1
Storage Humidity H ST 10 90 %RH 1
Note : 1. Temperature and relative humidity range are shown in the f igure below.
Wet bulb temperature should be 39qC Max, and no condensation of water.
90% 80%
60 60%
Wet Bulb 50
Humidity[(%)RH]
Temperature [ ] Storage
40 40%
30 Operation
20
20 %
10
0
10 %
-20 0 10 20 30 40 50 60 70 80
Dry Bulb Temperature [ ]
Ver. 1.0 Nov. 25, 2009 5 / 31
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LP141WX3
Liquid Crystal Display
Product Specification
3. Electrical Specifications
3-1. Electrical Characteristics
The LP141WX 3 requires two power inputs. One is employed to power the LCD electronics and to drive the
TFT array and liquid crystal. The second input which powers the CCFL, is typically generated by an
inverter. The inverter is an external unit to the LCD.
Table 2. ELECTRICAL CHARACTERISTICS
Values
Parameter Symbol Unit Notes
Min Typ Max
MODULE :
Power Supply Input Voltage VCC 3.0 3.3 3.6 VDC
Power Supply Input Current ICC Mosaic - 360 414 mA 1
Power Consumption Pc Mosaic - 1.2 1.4
Differential Impedance Zm 90 100 110 Ohm 2
LAMP :
Operating Voltage VBL 640(7.0mA) 670(6.0mA) 880(2.0mA) VRMS
Operating Current IBL 2.0 6.0 7.0 mARMS 3
Power Consumption PBL 1.8 4.0 4.5 W
Operating Frequency f BL 45 55 80 kHz
Discharge Stabilization Time Ts 3 Min 4
Life Time 15,000 Hrs 5
Established Starting Voltage
at 25 Vs 1180 VRMS
at 0 1415 VRMS
Note)
1. The specif ied current and power consumption are under the Vcc = 3.3V , 25 , f v = 60Hz condition
whereas Mosaic pattern is displayed and f v is the f rame f requency.
2. This impedance value is needed to proper display and measured f orm LVDS Tx to the mating connector.
3. The typical operating current is f or the typical surf ace luminance (LWH ) in optical characteristics.
4. Def ine the brightness of the lamp af ter being lighted f or 5 minutes as 100%, Ts is the time required f or
the brightness of the center of the lamp to be not less than 95%.
5. The lif e time is determined as the time at which brightness of lamp is 50% compare to that of initial value
at the typical lamp current.
Ver. 1.0 Nov. 25, 2009 6 / 31
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LP141WX3
Liquid Crystal Display
Product Specification
Note)
6. The output of the inverter must have symmetrical(negative and positive) voltage wavef orm and
symmetrical current wavef orm.(Asymmetrical ratio is less than 10%) Please do not use the inverter
which has asymmetrical voltage and asymmetrical current and spike wave.
Lamp f requency may produce interf ace with horizontal synchronous f requency and as a result this may
cause beat on the display. Theref ore lamp f requency shall be as away possible f rom the
horizontal synchronous f requency and f rom its harmonics in order to prevent interf erence.
7. It is def ined the brightness of the lamp af ter being lighted f or 5 minutes as 100%.
TS is the time required f or the brightness of the center of the lamp to be not less than 95%.
8. The lamp power consumption shown above does not include loss of external inverter.
The applied lamp current is a typical one.
9. Requirements f or a system inverter design, which is intended to have a better display perf ormance, a
better power ef f iciency and a more reliable lamp, are f ollowing.
It shall help increase the lamp lif etime and reduce leakage current.
a. The asymmetry rate of the inverter wavef orm should be less than 10%.
b. The distortion rate of the wavef orm should be within 2 10%.
* Inverter output wavef orm had better be more similar to ideal sine wave.
* Asymmetry rate:
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