LG Display LM171WX3-TLC2 Specification

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(

(

Preliminary Specification

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Final Specification

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LM171WX3

Liquid Crystal Display

Product Specification

SPECIFICATION

FOR

APPROVAL

Title 17.1” WXGA+ TFT LCD

BUYER DELL

MODEL -

SIGNATURE DATE

/

/

SUPPLIER LG. Display Co., Ltd.

*MODEL LM171WX3

SUFFIX TLC2

*When you obtain standard approval,

please use the above model name without suffix

APPROVED BY

H.S. KIM / G.Manager

REVIEWED BY

C.K. LEE / Manager [C]

J. H. LEE / Manager [M]

DATE

Y.S. LEE / Manager [P]

/

Please return 1 copy for your confirmation
With your signature and comments.

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PREPARED BY

Y.C. AHN / Engineer

Product Engineering Dept.

LG. Display Co., Ltd

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NO. ITEM Page

- COVER 1

- CONTENTS 2

- RECORD OF REVISIONS 3

1 GENERAL DESCRIPTION 4

2 ABSOLUTE MAXIMUM RATINGS 5

3 ELECTRICAL SPECIFICATIONS 6

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LM171WX3

Liquid Crystal Display

Product Specification

CONTENTS

3-1 ELECTRICAL CHARACTERISTICS 6

3-2 INTERFACE CONNECTIONS 9

3-3 SIGNAL TIMING SPECIFICATIONS 16

3-4 SIGNAL TIMING WAVEFORMS 17

3-5 COLOR INPUT DATA REFERANCE 18

3-6 POWER SEQUENCE 19

3-7 VCC POWER DIP CONDITION 20

4 OPTICAL SPECIFICATIONS 21

5 MECHANICAL CHARACTERISTICS 25

6 RELIABILITY 28

7 INTERNATIONAL STANDARDS 29

7-1 SAFETY 29

7-2 EMC 29

8 PACKING 30

8-1 DESIGNATION OF LOT MARK 30

8-2 PACKING FORM 30

9 PRECAUTIONS 31

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Revision No DescriptionDate Page

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LM171WX3

Liquid Crystal Display

Product Specification

RECORD OF REVISIONS

Ver 0.1
Ver 0.2
Ver 1.0

Ver 1.1

Ver 1.2

Mar. 13, 2008
Mar. 14, 2008
Apr. 15, 2008

Apr. 24, 2008

Sept. 11, 2008

4

27

6

3

6

15
26
27

Preliminary Specifications
Added the Color Gamut
Final Specifications
Updated the mechanical drawing : Rear view
Corrected the typo : The Power Supply Input Current Max.

Corrected the page number of contents
Corrected the typo : Permissive Power Input Ripple
Updated the Backlight connector view and notes
Updated the mechanical drawing : Front view
Updated the mechanical drawing : Rear view

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LM171WX3

Liquid Crystal Display

Product Specification

1. General Description

LM171WX3-TLC2 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 17.1 inch diagonally measured active
display area with WXGA+ resolution (1440 vertical by 900 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 Advanced-FRC(Frame Rate Control). It has been designed to apply the interface method
that enables low power, high speed, low EMI. FPD Link or compatible must be used as a LVDS(Low Voltage
Differential Signaling) chip. It is intended to support applications where thin thickness, wide viewing angle, low
power are critical factors and graphic displays are important. In combination with the vertical arrangement of
the sub-pixels, the LM171WX3-TLC2 characteristics provide an excellent flat panel display for office
automation products such as monitors.

RGB,DLK,DE
Hsync,Vsync
(LVDS 2Port)

V

+5V

LCD

CN1

(30pin)

Timing Controller

(LVDS Rx integrated)

RGB

Power Circuit

Block

CN2 (3pin)

CN3 (3pin)

General Features

Figure 1. Block diagram

Active screen size 17.1 inch (43.3019cm) diagonal

Outline Dimension 389.2(H)x254.5(V)x11.5(D) mm (Typ.)

Pixel Pitch 0.255mm x 0.255mm

Source Driver Circuit

1 1440

TFT - LCD Panel

(1440 Ý RGB Ý 900 pixels)

Back light Assembly (2CCFL)

Pixel Format 1440 horiz. by 900 vert. Pixels. RGB stripe arrangement

Display Colors 16.7M colors

Luminance, white 250 cd/m2(Typ. Center 1 point)

Power Consumption 13.2 Watts(Typ.) (2.88 Watt@VLCD, 10.32 Watt@250cd/[Lamp=8mA])

Weight 1360g (Typ.)

Display operating mode Transmissive mode, normally white

Surface treatments Hard coating (3H), Anti-glare treatment of the front polarizer

Color Gamut 60% CIE1931, 65% CIE 1976

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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

LM171WX3

Parameter NotesSymbol

Units

Min. Max.

Values

Power Supply Input Voltage
Operating Temperature
Storage Temperature
Operating Ambient Humidity
Storage Humidity

V

CC

T

OP

T

ST

H

OP

H

ST

இ0.3

இ20

10
10

அ5.5

0

அ50
அ60
அ90
அ90

V

dc

୅
୅

%RH
%RH

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.

ڔڋڀ

ڑڋ

ڑڋڀ

ڏڋ

ڐڋ

ڏڋڀ

ڌڋڀ

ڪۋۀۍڼۏۄۊۉ

ڣېۈۄڿۄۏ۔ٻڶڃڀڄڭڣڸ

ڲۀۏٻڝېۇڽ
گۀۈۋۀۍڼۏېۍۀٻڶڞڸ

ڎڋ

ڍڋ

ڌڋ

ڋ

At 25୅

1
1
1
1

ڮۏۊۍڼۂۀ

ڌڋ ڍڋ ڎڋ ڏڋ ڐڋ ڑڋ ڒڋ ړڋڋڈڍڋ

ڟۍ۔ٻڝېۇڽٻگۀۈۋۀۍڼۏېۍۀٻڶڞڸ

Figure 2. Temperature and relative humidity

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LM171WX3

Liquid Crystal Display

Product Specification

3. Electrical specifications

3-1. Electrical characteristics

The LM171WX3-TLC2 requires two power inputs. One is employed to power the LCD electronics and to
drive the TFT array and liquid crystal. Another which powers the CCFL, is typically generated by an inverter.

The inverter is an external unit to the LCD.

Table 2. Electrical Characteristics

Parameter

MODULE :

Power Supply Input Voltage
Permissive Power Input Ripple
Power Supply Input Current
Differential Impedance
Power Consumption

Rush Current

LAMP for each CCFL:

Operating Voltage

Operating Current

Established Starting Voltage

at 25 ¶C
at 0 ¶C

Operating Frequency
Discharge Stabilization Time
Power Consumption
Life Time

Symbol

V

CC

V

RF

I

CC

Zm

TYP

Pc
Pc MAX

I

RUSH

V

BL

I

BL

V

S

f

BL

T

S

P

BL

Values

Min. Typ. Max.

4.5

-

-

90

-

-

-

615

(@9.0mA)

2.5

-

-

40

-

-

40,000

5.0

­575
100

2.88

3.38

-

645

(@8.0mA)

8.0

-

-

60

-

10.32

-

5.5

200

878
110

3.3

4.39
3

815

(@2.5mA)

9.0

1000
1250

70

3

11.35

-

Units Notes

V

mV

mA

12

1

ohm

Watts

1

Watts

2

3

V

mA

A

RMS

RMS

4

V

RMS

V

RMS

kHz

Minutes

Watts

Hrs

5
6
7
8

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 your instrument.

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LM171WX3

Liquid Crystal Display

Product Specification

Note. Do not attach a conducting tape to lamp connecting wire. If the lamp wire attach to conducting tape,

TFT-LCD Module have a low luminance and the inverter has abnormal action because leakage current
occurs between lamp wire and conducting tape.

1. The specified current and power consumption are under the V
=60Hz condition. Mosaic and max power pattern shown in the [ Figure 3 ] is displayed.

2. The duration of rush current is about 5ms. And V

rise time is 500us r 20%.

CC

3. Operating voltage is measured under 25ఁ.The variance of the voltage is ᇹ10%.

4. The voltage above Vsshould be applied to the lamps for more than 1 second

for start-up.(when no load condition.)
( Inverter open lamp 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.

5. 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.
Lamp frequency may produce interference with horizontal synchronous frequency and as a result this
may cause beat on the display.Therefore lamp frequency shall be as away as possible from the
horizontal synchronous frequency and from its harmonics in order to prevent interference.

6. 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

The used lamp current is the lamp typical current.

7. The lamp power consumption shown above does not include loss of external inverter under 25ఁ.
The used lamp current is the lamp typical current.

8. The life time is determined as the time at which brightness of lamp is 50% compared to that of initial
value at the typical lamp current on condition of continuous operating at 25 ᇹ2ఁ.

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.
It shall help increase the lamp lifetime and reduce its leakage current.

a. The unbalance rate of the inverter waveform should be 10% below;
b. The distortion rate of the waveform should be within ˲2 ·10%;
c. The ideal sine wave form shall be symmetric in positive and negative polarities.
d. It should be measured with lamp currents of high voltage side.

=5.0V, 25¶C, fV(frame frequency)

CC

I p

I -p

* Asymmetry rate = | I

* Distortion rate = I

–I –p| / I

p

(or I –p) / I

p

rms

rms

10. Inverter open voltage must be more than lamp starting voltage.

11. 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.

12. Permissive power ripple should be measured under VCC=5.0V, 25¶C, fV(frame frequency)=MAX

condition and At that time, we recommend the bandwidth configuration of oscilloscope is to be under
20Mhz. See the next page.

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Product Specification

• Permissive Power input ripple (VCC=5.0V, 25¶C fV (frame frequency)=MAX condition)

LM171WX3

Liquid Crystal Display

White pattern

• Power consumption (VCC=5.0V, 25¶C, fV(frame frequency= 60Hz condition)

Typical power Pattern

[ Figure 3 ] Mosaic pattern & Black Pattern for power consumption measurement

Black pattern

Max power Pattern

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LM171WX3

Liquid Crystal Display

Product Specification

3-2. Interface Connections

Interface chip must be used LVDS, part No. SN75LVDS83 (Tx, Texas Instrument) or compatible.
This LCD employs a interface connection, a 30 pin connector is used for the module electronics interface.
Two 3pin connectors are used for the integral backlight system. The electronics interface connector is
a model IS100-L30O-C23 manufactured by UJU .
And mating connector is FI-X30H and FI-X30HL 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 pin configuration

Pin No Symbol Description

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

RXO0­RXO0+
RXO1­RXO1+
RXO2­RXO2+
GND
RXOC­RXOC+
RXO3­RXO3+
RXE0­RXE0+
GND
RXE1­RXE1+
GND
RXE2­RXE2+
RXEC­RXEC+
RXE3­RXE3+
GND
NC
NC
PWM_out
V

LCD

VLCD
VLCD

Minus signal of 1st channel 0 (LVDS)
Plus signal of 1st channel 0 (LVDS)
Minus signal of 1'st channel 1 (LVDS)
Plus signal of 1'st channel 1 (LVDS)
Minus signal of 1'st channel 2 (LVDS)
Plus signal of 1'st channel 2 (LVDS)
Ground
Minus signal of 1'st clock channel (LVDS)
Plus signal of 1'st clock channel (LVDS)
Minus signal of 1'st channel 3 (LVDS)
Plus signal of 1'st channel 3 (LVDS)
Minus signal of 2'nd channel 0 (LVDS)
Plus signal of 2'nd channel 0 (LVDS)
Ground
Minus signal of 2'nd channel 1 (LVDS)
Plus signal of 2'nd channel 1 (LVDS)
Ground
Minus signal of 2'nd channel 2 (LVDS)
Plus signal of 2'nd channel 2 (LVDS)
Minus signal of 2'nd clock channel (LVDS)
Plus signal of 2'nd clock channel (LVDS)
Minus signal of 2'nd channel 3 (LVDS)
Plus signal of 2'nd channel 3 (LVDS)
Ground
No Connection
No Connection
Reference signal for inverter control
Power Supply +5.0V
Power Supply +5.0V
Power Supply +5.0V

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LM171WX3

Liquid Crystal Display

Product Specification

#
1

#1 #30

1’st signal pairs

2’nd signal pairs

#1 #30

[ Figure 4 ] Connector diagram

CN1

PWM_out

Rear view of LCM

#30

Power(5V)

Notes: 1. All GND(ground) pins should be connected together and should also be

connected to the LCD’s metal frame.

2. All V

(power input) pins should be connected together.

CC

3. All NC pins should be separated from other signal or power.

4. PWM_OUT signal controls the burst frequency of a inverter.

This signal is synchronized with vertical frequency,

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Table 4. Required signal assignment for Flat Link (TI:SN75LVDS83) Transmitter

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LM171WX3

Liquid Crystal Display

Product Specification

Pin

Pin Name Require Signal

10

11

12

13

14

15

1

2

3

4

5

6

7

8

9

VCC

D5

D6

D7

GND

D8

D9

D10

VCC

D11

D12

D13

GND

D14

D15

Power Supply for TTL Input

TTL Input(R7)

TTL Input(R5)

TTL Input(G0)

Ground pin for TTL

TTL Input(G1)

TTL Input(G2)

TTL Input(G6)

Power Supply for TTL Input

TTL Input(G7)

TTL Input(G3)

TTL Input(G4)

Ground pin for TTL

TTL Input(G5)

TTL Input(B0)

Pin

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

Pin Name Require Signal

GND

6

D2

TxCLKIN

PWR DWN

PLL GND

PLL VCC

PLL GND

LVDS GND

TxOUT3+

TxOUT3-

TxCLKOUT+

TxCLKOUT-

TxOUT2+

TxOUT2-

LVDS GND

Ground pin for TTL

TTL Input(DE)

TTL Level clock Input

Power Down Input

Ground pin for PLL

Power Supply for PLL

Ground pin for PLL

Ground pin for LVDS

Positive LVDS differential data output3

Negative LVDS differential data output3

Positive LVDS differential clock output

Negative LVDS differential clock output

Positive LVDS differential data output2

Negative LVDS differential data output2

Ground pin for LVDS

16

17

18

19

20

23

24

25

26

27

28

21

22

D16

VCC

D17

D18

D19

GND

D20

D21

D22

D23

VCC

D24

D25

TTL Input(B6)

Power Supply for TTL Input

TTL Input(B7)

TTL Input(B1)

TTL Input(B2)

Ground pin for TTL Input

TTL Input(B3)

TTL Input(B4)

TTL Input(B5)

TTL Input(RSVD)

Power Supply for TTL Input

TTL Input(HSYNC)

TTL Input(VSYNC)

44

45

46

47

48

49

50

51

52

53

54

55

56

LVDS VCC

TxOUT1+

TxOUT1-

TxOUT0+

TxOUT0-

LVDS GND

D27

D0

D1

GND

D2

D3

D4

Power Supply for LVDS

Positive LVDS differential data output1

Negative LVDS differential data output1

Positive LVDS differential data output0

Negative LVDS differential data output0

Ground pin for TTL

TTL Input(R6)

TTL Input(R0)

TTL Input(R1)

Ground pin for TTL

TTL Input(R2)

TTL Input(R3)

TTL Input(R4)

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

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LM171WX3

Liquid Crystal Display

Product Specification

LVDS Common mode Voltage

LVDS Input Voltage Range

2. AC Specification

Description Symbol Min Max Unit Notes

LVDS Clock to Data Skew Margin

LVDS Clock to Clock Skew Margin (Even to Odd) t

Maximum deviation
of input clock frequency during SSC

|LVDS Differential Voltage

ID

CM

IN

t

SKEW

t

SKEW

SKEW_EO

F

DEV

NotesUnitMaxMinSymbolDescription

-mV600100|V

-V1.80.6V

-V2.10.3V

- 400 + 400 ps 85MHz > Fclk ˻ 65MHz

- 600 + 600 ps 65MHz > Fclk ˻ 25MHz

-1/7 -

- · 3%

+ 1/7 T

clk

-

Maximum modulation frequency
of input clock during SSC

F

MOD

- 200 KHz

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Freq.

F

max

F

center

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Product Specification

< Clock skew margin between channel >

LM171WX3

Liquid Crystal Display

QGm

m



kl}

F

min

3. Data Format

1) LVDS 2 Port

X

m

tvk

< Spread Spectrum >

Time

< LVDS Data Format >

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2) LVDS 1 Port

RCLK+

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LM171WX3

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

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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Product Specification

The backlight interface connector is a model BDBR-03(4.0)V-1S (JST, 3Pin Locking).
The mating connector part number is SM08(8.0)B-BDBS-1-TB(JST) or equivalent.
The pin configuration for the connector is shown in the table 5.

Table 5. Backlight connector pin configuration

Pin Symbol Description Notes

1 HV Power supply for lamp (high)

LM171WX3

Liquid Crystal Display

2 NC No connect

3 LV Power supply for lamp (Low)

LCD : BDBR-03(4.0)V-1S (JST, 3pin locking)

Notes : 1. The high voltage side terminal is colored Pink. The low voltage side terminal is White.

2. The backlight ground should be common with LCD metal frame.

ڞکڍ

1
2

࣭

ڞکڎ

࣮

3

1
2
3

Pink

CN2, 3

white

[ Figure 5 ] Backlight connector view

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Product Specification

3-3. Signal Timing Specifications

This is the signal timing required at the input of the LVDS Transmitter. All of the interface signal timing

should be satisfied with the following specifications for it’s proper operation.

Table 6. Timing table

ITEM Symbol Min Typ Max Unit Note

LM171WX3

DCLK

Hsync

Vsync

DE

(Data

Enable)

Period tCLK 22.53 18.78 14.63 ns

Frequency f

Period t

CLK 43.375 53.25 68.375 MHz

HP 936 952 968 tCLK

Width tWH 72 76 76 tCLK

Period t

Frequency f

VP 929 934 942 tHP

V

50 60 75

Hz

Width tWV 666tHP

Horizontal Valid t

HV 720 720 720

Horizontal Back Porch tHBP 108 116 124

t

CLK

Horizontal Front Porch tHFP 36 40 48

-

Vertical Valid t

-

VV 900 900 900

---

Pixel frequency
: Typ.106.5MHz

Vertical Back Porch tVBP 20 25 33

t

HP

Vertical Front Porch t

VFP 333

-----

Notes : 1. DE Only mode operation

2. t

3. t

HFP

VFP

+ tWH+ t

+ tWV+ t

HBP

VBP

< (1/2) t

< t

H_max

HV

/ t

v_min

4. tHFP, tWH and tHBP should be any times of a character number (8).

5. No variation of the total number of Hsync and DE in a frame is required for normal operation.

6. No variation of the total number of clock in a Hsync period for t

is required for normal operation.

VBP

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3-4. Signal Timing Waveforms

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LM171WX3

Liquid Crystal Display

Product Specification

DCLK

First data

Second data

DE(Data Enable)

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

tHP

HSync

WH

t

tHBP tHV

DE(Data Enable)

tVP

tWV

VSync

tVBP

tVV tVFP

DE(Data Enable)

[ Figure 6 ] Signal timing waveforms

Ver 1.2 Sept. 11, 2008

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LM171WX3

Liquid Crystal Display

Product Specification

3-5. Color Input Data Reference

The brightness of each primary color(red,green and 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
colors

Red

Color

Black
Red(255)
Green(255)
Blue(255)
Cyan
Magenta
Yellow
White

Red(000) dark
Red(001)
Red(002)

:

Red(253)
Red(254)
Red(255) bright

Red Green Blue

MSB LSB MSB LSB MSB LSB

R7 R6 R5 R4 R3 R2 R1 R0

0

0

0

0

0

0

0

1

1

1

1

1

1

1

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

:

:

:

:

:

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

0

0

0

0

1

0

:

:

0

1

1

1

1

1

G7 G6 G5 G4 G3 G2 G1 G0

0

0

0

0

0

0

0

0

0

1

1

0
0
0
1
1
1

0
1
0

:
1
0
1

1

0

0

1

1

0

0

1

1

1

1

0

0

0

0

0

0

:

:

0

0

0

0

0

0

0

1

1

0

0

1

1

0

0

1

1

1

1

0

0

0

0

0

0

:

0

0

0

0

0

0

0

0

0

1

1

0

0

1

1

0

0

1

1

1

1

0

0

0

0

0

0

:

:

:

0

0

0

0

0

0

0
0
1
0
1
0
1
1

0
0
0

0
0
0

B7 B6 B5 B4 B3 B2 B1 B0

0

0

0

0

0

0
1
0
1
0
1
1

:

0

0

0

1

1

1

1

1

1

0

0

1

1

0

0
0
0

0
0
0

0

0

0

0

0

:

:

:

0

0

0

0

0

0

0

0

0

0

0

1

1

1

1

1

1

0

0

1

1

0

0

0

0

0

0

:

:

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

1

1

1

1

1

1

1

1

1

1

1

1

0

0

0

0

1

1

1

1

0

0

0

0

0

0

0

0

0

0

0

0

:

:

:

0

0

0

0

0

0

0

0

0

0

0

0

:

0

0

0

0

0

0

0

0

0

0

0

0

:

:

:

0

0

0

0

0

0

0

0

0

0
0
0

:
0
0
0

0

0

0

0

0

0

:

:

0

0

0

0

0

0

0

0
0
0

:
0
0
0

0
0
0

:
0
0
0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

:

:

:

:

:

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

:

:

:

:

:

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0
0
0

:
1
1
1

0
0
0

:
0
0
0

0

0

0

0

0

1

0

0

0

1

0

0

0

0

:

:

:

:

:

0

1

0

0

0

1

0

0

0

0

1

1

0

0

0

0

0

0

0
0
0

:
0
0
0

0

0

0

0

:

:

1

0

1

0

1

0

0

0

0

0

0

:

:

1

1

1

1

1

1

Green

Blue

Green(000)dark
Green(001)
Green(002)

:

Green(253)
Green(254)
Green(255)

bright

Blue(000) dark
Blue(001)
Blue(002)

:

Blue(253)
Blue(254)
Blue(255) bright

0

0

0

0

0

0

:

:

0

0

0

0

0

0

0

0

0

0

0

0

:

:

0

0

0

0

0

0

0

0

0

:

:

0

0

0

0

0

0

0

0

0

0

0

0

:

:

0

0

0

0

0

0

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0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

:

:

:

:

:

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

1

0

0

0

1

0

:

:

:

:

:

1

1

1

0

1

1

1

1

1

0

1

1

1

1

1

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3-6. Power Sequence

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LM171WX3

Liquid Crystal Display

Product Specification

90% 90%

Power supply for LCD

Vcc

Interface signal

V

I

Power for LAMP

Parameter

10%

T2 T5 T7

T1

Valid data

0V

T3

Lamp on

OFF

[ Figure 7 ] Power sequence

Table 8. Power sequence time delay

Values

Min. Typ. Max.

10%

T4

OFF

Units

T

1

T

2

T

3

T

4

T

5

T

7

0.5

0.01
500
200

0.01
500

-

-

-

-

-

-

10
50

-

-

50

-

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

CC

to 0V.

3. Lamp power must be turn on after power supply for LCD and interface signals
are valid.

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ms
ms
ms
ms

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3-7. VCCPower Dip Condition

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Product Specification

LM171WX3

Liquid Crystal Display

V

CC

4.5V

3.5V

1) Dip condition

3.5V ᆙV

2) V

౒ 3.5V

CC

V

-dip conditions should also follow the Power On/Off conditions for supply voltage.

CC

[ Figure 8 ] Power dip condition

౒ 4.5V , tdᆙ20ms

CC

t

d

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LM171WX3

Liquid Crystal Display

Product Specification

4. Optical Specifications

Optical characteristics are determined after the unit has been ‘ON’ and stable for approximately 30 minutes

in a dark environment at 25 ¶C. The values specified are measured at an approximate distance 50cm from
the LCD surface at a viewing angle of ) and T equal to 0 ¶.

Figure. 9 presents additional information concerning the measurement equipment and method.

Optical Stage(x,y)

LCD Module

[Figure 9] Optical characteristic measurement equipment and method

Table 9. Optical characteristics

Parameter Symbol

Contrast ratio

Surface luminance, white

Luminance uniformity

Response time

Rise time
Decay time

CIE color coordinates

Red

Green

Blue

White

Field = 1

50Cm

CR

L

WH

୞ڧ

Tr
Tr
Tr

XR

YR
XG
YG

XB

YB

XW
YW

Pritchard PR880
or equivalent

(Ta=25 ¶C, V

=5.0V, fV=60Hz Dclk=106.5MHz, IBL=8.0mArms)

CC

Values

Units Notes

Min. Typ. Max.

5

11

-

-

-

cd/m

%

2

ms

1

2

3

4

500

200

ڔ

75

800

250

-

8

R
D

-

-

2
6

0.609

0.339

0.307

Typ

-0.03

0.592

0.150

Typ

+0

.03

0.095

0.313

0.329

Viewing angle (by CR t 10)

X axis, right(I=0¶)
X axis, left (I=180¶)
Y axis, up (I=90¶)
Y axis, down (I=270¶)

Viewing angle (by CR t 5)

X axis, right(I=0¶)
X axis, left (I=180¶)
Y axis, up (I=90¶)
Y axis, down (I=270¶)

Relative brightness
Luminance uniformity ­Angular dependence (TCO’99)
Crosstalk
Gray scale

Tr

Tl
Tu
Td

Tr

Tl
Tu
Td

70
70
60
70

75
75
70
70

-

1.9

85
85
65
85

88
88
85
85

-

2.2

-

-

-

-

1.7

1.5

2.5

degree

degree

%

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Figure 10

Figure 13

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1. Contrast ratio(CR) is defined mathematically as :
Surface luminance with all white pixels

Contrast ratio =

Surface luminance with all black pixels

2. Surface luminance is the center point across the LCD surface 50cm from the surface with all
pixels displaying white. For more information see [ Figure 10 ].
When I

=8.0mA, LWH=200cd/m2(Min.) 250cd/m2(Typ.)

BL

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LM171WX3

Liquid Crystal Display

Product Specification

3. The uniformity in surface luminance , ୞ڧ
But the management of ୞ڧ
and then dividing the maximum L

is determined by measuring Lon at each test position 1 through 9,

ڔ

of 9 points luminance by minimum LONof 9 points luminance.

ON

is determined by measuring LONat any point in test area.

ڔ

For more information see [ Figure 10 ].

= Minimum (L

୞ڧ

ڔ

ON1,LON2

, ….. L

) y Maximum (L

ON9

ON1,LON2

, ….. L

) Ý100 (%)

ON9

4. Response time is the time required for the display to transition from white to black(Rise Time, Tr
and from black to white(Decay Time, Tr

). For additional information see [ Figure 11 ].

D

The sampling rate is 2,500 sample/sec.

5. 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 surface. For more information see Figure 12 .

6. Gray scale specification

Table 10. Gray scale

Gray level

L0

Luminance(%)

(Typ.)

0.12

)

R

L31

L63

L95

L127

L159

L191

L223

L255

1.2

4.57

11.3

21.4

35.2

52.8

74.4

100

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Figure 10. Luminance measuring point

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LM171WX3

Liquid Crystal Display

Product Specification

<Measuring point for luminance variation>

<Measuring point for surface luminance>

H

H

H/2

3

H/10

H/2

42

V/2

V

V/10

56

7

H : 367.2 mm

1

8

9

Active Area

V : 229.5 mm
@ H,V : Active Area

< Luminance Uniformity - angular – dependence (LR& TB)
TCO ‘99 Luminance uniformity – angular dependence, is the capacity of the VDU to present the same
luminance level independently of the viewing direction. The angular-dependent luminance uniformity is
calculated as the ratio of maximum luminance to minimum luminance in the specified measurement
areas.

ڣ

V/2

Test pattern : 80% white pattern
Test point : 2-point

Test distance : D * 1.5 = 65.0༃
Test method : L

= ((L

R

T

B

+ (L

= ((L

max.+30deg.

max. -30deg.

max.+15deg.

Figure 11. Response time

/ L

min. +30deg.

/ L

min. -30deg.

/ L

min. +15deg.

)

)) / 2

)

ڱڊڍ

ڱ

ڱڊڍ

ڣڊڌڋ

ڟ

ڧ

The response time is defined as the following Figure and shall be measured by

switching the input signal for “black” and “white”.

%

Tr

R

100

90

Optical

white black white

response

10

0

Tr

گ

ڱڊڌڋ

ڞ

ڭ

ڝ

ڱڊڌڋ

ڣڊڌڋ

D

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Figure 12. Viewing angle

<Dimension of viewing angle range>

Iژٻڔڋ

ڃڌڍڕڋڋڄ

www.panelook.com

Product Specification

ଟ

Tژٻڋ

ଟ

۔ې

ە

ڜ

T

LM171WX3

Liquid Crystal Display

I

ژ 180ଟ

I

xl

ڃڔڕڋڋڄ

گڡگٻڧڞڟ
ڨڪڟڰڧڠ

Figure 13. Crosstalk

The equation of crosstalk : (~L

Pattern 1

(Half gray: gray 127)

A/2

A[or C]2-LA[or C]1

(~L

B[or D]2-LB[or D]1

A/8

ଟ

Iژٻڋ

xr

ەڂ ۔ڿ

~/L

A[or C]1

~/L

B[or D]1

ڃڎڕڋڋڄ

ଟ

Iژ ڍڒڋ

ڃڑڕڋڋڄ

) u100(%) [Vertical],

) u100(%) [Horizontal]

Pattern 2

(Background: gray 127, Rectangular: gray 0, gray255 )

A/4 A/2 A/4

B/8

L

A1

L

A2

B

L

B1

L

D1

L

B2

B/2

L

C1

L

C2

A

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B/2

L

D2

B/4

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ⷴ󰶒 䟸

www.panelook.com

Liquid Crystal Display

Product Specification

5. Mechanical Characteristics

Table 11. provides general mechanical characteristics for the model LM171WX3-TLC2. Please refer to
Figure 14,15 regarding the detailed mechanical drawing of the LCD.

LM171WX3

Table 11. Mechanical characteristics

Horizontal 389.2mm

Outline Dimension

Bezel Area

Active Display Area

Weight 1360 g(Typ.), 1,430 g(Max.)

Surface Treatment

Vertical 254.5mm

Depth 11.5mm

Horizontal 370.6 mm

Vertical 232.9 mm

Horizontal 367.2mm

Vertical 229.5mm

Hard coating(3H)
Anti-glare(12%) treatment of the front polarizer

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Figure 14. Front view

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Liquid Crystal Display

Product Specification

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Figure 15. Rear view

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Liquid Crystal Display

Product Specification

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6. Reliability

No. Test item Conditions

1 High temperature storage test Ta= 60¶C 240h

2 Low temperature storage test Ta= -20¶C 240h

3 High temperature operation test Ta= 50¶C 50%RH 240h

4 Low temperature operation test Ta= 0¶C 240h

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LM171WX3

Liquid Crystal Display

Product Specification

Table 12. Environment test condition

Vibration test

5

6

7

{ Result evaluation criteria }

There should be no change which might affect the practical display function when the display quality
test is conducted under normal operating condition.

(non-operating)

Shock test
(non-operating)

Altitude
storage / shipment

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 : ᇹX, ᇹY, ᇹZ

One time each direction

0 - 40,000 feet(12,192m)

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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 1st Ed. 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 Parliament and of the council of 27 January 2003

LM171WX3

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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8. Packing

8. Packing

8-1. Designation of Lot Mark

8-1. Designation of Lot Mark

a) Lot Mark

ABCDEFGHI JKLM

A,B,C : SIZE(INCH) D : YEAR
E : MONTH F ~ M : SERIAL NO.

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LM171WX3

Liquid Crystal Display

Product Specification

Note

1. YEAR

Year

Mark

321

200452005

4

200320022001

2006720078200892009

6

2. MONTH

Month

Mark

Apr5May

4

Jun

6

Jul

7

Aug9Sep

8

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 box : 12 pcs

b) Box size : 359mm X 330mm X 458mm.

2010

0

Oct

A

Nov

B

DecMarFebJan

C321

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Liquid Crystal Display

Product Specification

9. Precautions

Please pay attention to the following 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 a 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 describe 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 determined

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.

LM171WX3

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 metal foreign

material and deal LCM a fatal blow)

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LM171WX3

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 or its vestige is recognized,

please wipe them off with absorbent cotton waste or other soft material like chamois soaked with
normal-hexane.

Ver 1.2 Sept. 11, 2008

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