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Global LCD Panel Exchange Center www.panelook.com
LP171WX2
Liquid Crystal Display
Product Specification
SPECIFICATION
FOR
APPROVAL
( V ) Preliminary Specification
( ) Final Specification
Title 17.1" WXGA+ TFT LCD
Customer COMPAL/TOSHIBA SUPPLIER LG.Philips LCD Co., Ltd.
MODEL *MODEL LP171WX2
Suffix A4K2
*When you obtain standard approval,
please use the above model name without suffix
SIGNATURE DATE
SIGNATURE DATE
J.H. Lee / G.Manager
/ REVIEWED BY
/
J.H. Park / Manager
PREPARED BY
/
W.Y. Park / Engineer
T.S. Yun / Engineer
Please return 1 copy for your confirmation with Products Engineering Dept.
your signature and comments. LG. Philips LCD Co., Ltd
Ver. 1.0 Jan. 13, 2005 1 / 28
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LP171WX2
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 7
3-3 SIGNAL TIMING SPECIFICATIONS 9
3-4 SIGNAL TIMING WAVEFORMS 9
3-5 COLOR INPUT DATA REFERNECE 10
3-6 POWER SEQUENCE 11
4 OPTICAL SFECIFICATIONS 12
5 MECHANICAL CHARACTERISTICS 16
6 RELIABLITY 20
7 INTERNATIONAL STANDARDS
7-1 SAFETY 21
7-2 EMC 21
8 PACKING
8-1 DESIGNATION OF LOT MARK 22
8-2 PACKING FORM 23
9 PRECAUTIONS 24
A APPENDIX. Enhanced Extended Display Identification Data 26
28
Ver. 1.0 Jan. 13, 2005 2 / 28
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LP171WX2
Liquid Crystal Display
Product Specification
RECORD OF REVISIONS
EDID
Revision No Revision Date Page Description
ver
1.0 Jan. 13, 2005 - First draft V1.0
Ver. 1.0 Jan. 13, 2005 3 / 28
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LP171WX2
Liquid Crystal Display
Product Specification
1. General Description
The LP171WX2 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 17.1 inches diagonally
measured active display area with WXGA+ resolution(900 vertical by 1440 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 LP171WX2 has been designed to apply the interface method that enables low power, high speed, low
EMI.
The LP171WX2 is intended to support applications where thin thickness, low power are critical factors and
graphic displays are important. In combination with the vertical arrangement of the sub-pixels, the
LP171WX2 characteristics provide an excellent flat display for office automation products such as Notebook
PC.
General Features
Active Screen Size 17.1 inches diagonal
Outline Dimension 382.2(H) 244.5(V) 6.5(D, max) mm
Pixel Pitch 0.255 mm 0.255 mm
Pixel Format 1440 horiz. By 900 vert. Pixels RGB strip arrangement
Color Depth 6-bit, 262,144 colors
Luminance, White 200 cd/m2(Typ.)
Power Consumption Total 6.2 Watt(Typ.) @ LCM circuit 1.4Watt(Typ.), B/L input 4.8Watt(Typ.)
Weight 685 g (Max.), 670g(Typ.)
Display Operating Mode Transmissive mode, normally white
Surface Treatment Hard coating(3H) Anti-glare treatment of the front polarizer
Ver. 1.0 Jan. 13, 2005 4 / 28
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LP171WX2
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
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 HOP 10 90 %RH 1
Storage Humidity HST 10 90 %RH 1
Note : 1. Temperature and relative humidity range are shown in the figure 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 Jan. 13, 2005 5 / 28
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LP171WX2
Liquid Crystal Display
Product Specification
3. Electrical Specifications
3-1. Electrical Characteristics
The LP171WX2 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 mA 1
Power Consumption Pc - Watt 1
Differential Impedance Zm 90 100 110 Ohm 2
LAMP :
Operating Voltage VBL 714(6.8mA) 735(6.5mA) 920(3.0mA) VRMS
Operating Current IBL 3.0 6.5 6.8 mARMS 3
Power Consumption PBL - 4.8 4.9
Operating Frequency fBL 40 60 70 kHz
Discharge Stabilization Time Ts - - 3 Min 4
Life Time 10,000 - - Hrs 5
Established Starting Voltage
at 25 Vs 1300 VRMS
at 0 1500 VRMS
Note)
1. The specified current and power consumption are under the Vcc = 3.3V , 25 , fv = 60Hz condition
whereas full black pattern is displayed and fv is the frame frequency.
2. This impedance value is needed to proper display and measured form LVDS Tx to the mating connector.
3. The typical operating current is for the typical surface luminance (LWH) in optical characteristics.
4. Define the brightness of the lamp after being lighted for 5 minutes as 100%, Ts is the time required for
the brightness of the center of the lamp to be not less than 95%.
5. The life time is determined as the time at which brightness of lamp is 50% compare to that of initial value
at the typical lamp current.
6. The output of the inverter must have symmetrical(negative and positive) voltage waveform and
symmetrical current waveform.(Asymmetrical ratio is less than 10%) Please do not use the inverter
which has asymmetrical voltage and asymmetrical current and spike wave.
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.
7. It is defined the brightness of the lamp after being lighted for 5 minutes as 100%.
TS is the time required for 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.
Ver. 1.0 Jan. 13, 2005 6 / 28
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LP171WX2
Liquid Crystal Display
Product Specification
Note)
9. 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.
* Asymmetry rate:
Ip
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