LG LP-154WP4-TLA1 Service manual

Product Specification

SPECIFICATION

LP154WP4

Liquid Crystal Display

FOR

APPROVAL

)

(
(

Preliminary Specification

◆

)

Final Specification

MODEL

www.jxlcd.com

www.jxlcd.com

15.4” WXGA+ TFT LCDTitle

AppleCustomer

*When you obtain standard approval,
please use the above model name without suffix

LG Display Co., Ltd.SUPPLIER
LP154WP4*MODEL
TLA1Suffix

SIGNATUREAPPROVED BY

/

/

/

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

Ver. 0.2 Apr. 07, 2009

APPROVED BY

REVIEWED BY

PREPARED BY

Products Engineering Dept.

LG Display Co., Ltd

SIGNATURE

1 / 30

Product Specification

Contents

LP154WP4

Liquid Crystal Display

ITEMNo

COVER
CONTENTS
RECORD OF REVISIONS
GENERAL DESCRIPTION1
ABSOLUTE MAXIMUM RATINGS2

ELECTRICAL SPECIFICATIONS3
ELECTRICAL CHARACTREISTICS 3-1

INTERFACE CONNECTIONS 3-2
LVDS SIGNAL TIMING SPECIFICATIONS 3-3
SIGNAL TIMING SPECIFICATIONS 3-4
SIGNAL TIMING WAVEFORMS 3-5

www.jxlcd.com

www.jxlcd.com

COLOR INPUT DATA REFERNECE 3-6
POWER SEQUENCE 3-7
OPTICAL SFECIFICATIONS4

Page

1
2
3
4
5

6
7

9
11
11
12
13
14

MECHANICAL CHARACTERISTICS5
RELIABLITY6
INTERNATIONAL STANDARDS7
SAFETY 7-1
EMC 7-2
PACKING8
DESIGNATION OF LOT MARK 8-1
PACKING FORM 8-2
PRECAUTIONS9
APPENDIX A. Enhanced Extended Display Identification DataA

Ver. 0.2 Apr. 07, 2009

19
23

24
24

25
25
26
28

2 / 30

Product Specification

RECORD OF REVISIONS

LP154WP4

Liquid Crystal Display

DescriptionPageRevision DateRevision No

First Draft-Feb. 12. 20090.0
Weight Changed : 450g (max.)  440g (max.)4, 19Mar. 18. 20090.1

www.jxlcd.com

www.jxlcd.com

EDID

ver

0.1

0.1

0.1Apr. 07. 20090.2 Drawing changed (Label)21

Ver. 0.2 Apr. 07, 2009

3 / 30

LP154WP4

Liquid Crystal Display

Product Specification

1. General Description

The LP154WP4 is a Color Active Matrix Liquid Crystal Display with an integral LED 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 15.4 inches diagonally measured active display area with
WXGA+ resolution(1440 horizontal by 900 vertical 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 LP154WP4 has been designed to apply the interface method that enables low power, high speed, low
EMI.
The LP154WP4 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
LP154WP4 characteristics provide an excellent flat display for office automation products such as Notebook
PC.

CN1 User Connector 40 Pin

www.jxlcd.com

www.jxlcd.com

General Features

LVDS &

Timing

Control

Block

POWE

R

BLOCK

EDID

BLOCK

Control & Data Power EDID signal & Power

15.4 inches diagonal Active Screen Size

342.85(H) × 220.84(V) × 4.03(D, Max.) mmOutline Dimension

0.2301 mm × 0.2301 mm Pixel Pitch
1440 horiz. by 900 vert. Pixels RGB strip arrangementPixel Format
6-bit, 262,144 colorsColor Depth
330 cd/m2(Typ., @I
Total 5.06 Watt @ LCM circuit 1.1 Watt (Typ. Mosaic pattern), B/L 3.96 WattPower Consumption
440g (Max.)Weight
Transmissive mode, normally whiteDisplay Operating Mode

Hard coating (glare) & Anti-Reflection treatment of the Front polarizerSurface Treatment

LED

=20mA) , 160 points Average Luminance, White

1

Gate Driver

900

TFT-LCD Panel

(1440 x 900)

(LOG_B type)

1

Source Driver Circuit

LED Backlight Ass’y

10LEDs X 6 strings

1440

Ver. 0.2 Apr. 07, 2009

4 / 30

LP154WP4

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.

www.jxlcd.com

www.jxlcd.com

Wet Bulb
Temperature [℃]

20

10

0

Symbol

60

50

40

30

Values

MaxMin

90% 80%

60%

40%

20%

10%

Units

Humidity[(%)RH]

Storage

Operation

at 25  5CVdc4.0-0.3VCC

1C500TOP

1C60-20HST

1%RH9010HOP

1%RH9010HST

-20

Ver. 0.2 Apr. 07, 2009

10

20 30 40 50

Dry Bulb Temperature [℃]

60 70 800

5 / 30

LP154WP4

Liquid Crystal Display

Product Specification

3. Electrical Specifications
3-1. Electrical Characteristics

The LP154WP4 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 LED BL.

Table 2. ELECTRICAL CHARACTERISTICS

Parameter Symbol

MODULE :

Power Supply Input Current

Differential Impedance
Inrush Current
LED Backlight :
Operating Voltage
Operating Current per string
Power Consumption

www.jxlcd.com

www.jxlcd.com

Mosaic

CC

Zm

RUSH

LED

LED

BL

Values

MaxTypMin

3.63.33.0VCC Power Supply Input Voltage

V

NotesUnit

DC

1mA380355-I

1Watt1.251.15-Pc Power Consumption
2Ohm11010090
3A1.5--I

V30-V

4mA-20-I
5Watt3.96-P
6Hrs--10,000 Life Time

Note)

1. The specified current and power consumption are under the Vcc = 3.3V , 25℃, fv = 60Hz condition
whereas Mosaic 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 inrush current is measured under a maximum or minimum Vcc in black pattern.

4. The typical operating current is for the typical surface luminance (LWH) in optical characteristics.
I

5. The LED power consumption shown above does not include power of external LED driver circuit
for typical current condition.

6. The life time is determined as the time at which brightness of LED is 50% compare to that of initial value
at the typical LED current.

is the current of each LEDs’ string, LED backlight has 6 strings on it.

LED

Ver. 0.2 Apr. 07, 2009

6 / 30

LP154WP4

Liquid Crystal Display

Product Specification

3-2. Interface Connections

This LCD employs two interface connections, a 40 pin connector is used for the module electronics interface
and the other connector is used for the integral backlight system.
The electronics interface connector is a model 20474-040E-12 manufactured by I-PEX.

Table 3. MODULE CONNECTOR PIN CONFIGURATION (CN1)

Pin

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

Symbol

1

2

3

4

5

6

7

8

9

GND
VCC
VCC

V EEDID

Vsync

Clk EEDID

DATA EEDID

RA1-

RA1+

GND
RB1-

RB1+

GND

RC1-

RC1+

GND

RCLK1-

www.jxlcd.com

RCLK1+

www.jxlcd.com

GND
RA2-

RA2+

GND
RB2-

RB2+

GND
RC2-

RC2+

GND

RCLK2-

RCLK2+

Vdc1
Vdc2
Vdc3
Vdc4
Vdc5
Vdc6

NC
Vdc(123456)
Vdc(123456)
Vdc(123456)

Description
Ground
Power Supply, 3.3V Typ.
Power Supply, 3.3V Typ.
DDC 3.3V power
Vsync (GSP)
DDC Clock
DDC Data
Negative LVDS differential data input
Positive LVDS differential data input
Ground
Negative LVDS differential data input
Positive LVDS differential data input
Ground
Negative LVDS differential data input
Positive LVDS differential data input
Ground
Negative LVDS differential data input
Positive LVDS differential data input
Ground
Negative LVDS differential data input
Positive LVDS differential data input
Ground
Negative LVDS differential data input
Positive LVDS differential data input
Ground
Negative LVDS differential data input
Positive LVDS differential data input
Ground
Negative LVDS differential data input
Positive LVDS differential data input
LED Cathode (Negative)
LED Cathode (Negative)
LED Cathode (Negative)
LED Cathode (Negative)
LED Cathode (Negative)
LED Cathode (Negative)
No Connection
LED Anode (Positive)
LED Anode (Positive)
LED Anode (Positive)

Notes

[LVDS Receiver]
Magna chip, D10D40T642L

[Connector]
20474-040E-12(I-PEX), 40pin

[Connector pin arrangement]
LCD rear view

1 40

Ver. 0.2 Apr. 07, 2009

7 / 30

Product Specification

Table 4. BACKLIGHT CONNECTOR PIN CONFIGURATION (CN2)

The LED backlight connector is a model TF12-9S-0.5H, manufactured by Hirose.

1
2
3

Vdc(1,2,3,4,5,6)
Vdc(1,2,3,4,5,6)

NC

LED Anode(Positive)
LED Anode(Positive)
No Connection

LP154WP4

Liquid Crystal Display

NotesDescriptionSymbolPin

9

1

4
5
6
7
8
9

Vdc1
Vdc5
Vdc3
Vdc4
Vdc5
Vdc6

www.jxlcd.com

www.jxlcd.com

LED Cathode (Negative)
LED Cathode (Negative)
LED Cathode (Negative)
LED Cathode (Negative)
LED Cathode (Negative)
LED Cathode (Negative)

Ver. 0.2 Apr. 07, 2009

8 / 30

Product Specification

LVDS +

LVDS -

0V

V

CM

# |VID| = |(LVDS +) – (LVDS -)|
# VCM= {(LVDS +) + ( LVDS -)}/2

|VID|

V

IN_MAXVIN_MIN

LVDS Data

t

SKEW

LVDS Clock

T

clk

t

SKEW (Fclk

= 1/T

clk

)

1) 85MHz > Fclk ≥ 65MHz : -400 ~ +400

2) 65MHz > Fclk ≥ 25MHz : -600 ~ +600

3-3. LVDS Signal Timing Specifications

3-3-1. DC Specification

LP154WP4

Liquid Crystal Display

Description

LVDS Common mode Voltage
LVDS Input Voltage Range

3-3-2. AC Specification

www.jxlcd.com

www.jxlcd.com

LVDS Clock to Data Skew Margin

Symbo

l

CM

IN

SKEW

SKEW

NotesUnitMaxMin

-mV600100|VID|LVDS Differential Voltage

-V1.80.6V

-V2.10.3V

NotesUnitMaxMinSymbolDescription

ps+ 400 400-t

600-

ps+ 600t

85MHz > Fclk ≥

65MHz

65MHz > Fclk ≥

25MHz

LVDS Clock to Clock Skew Margin (Even
to Odd)

Maximum deviation
of input clock frequency during SSC

Maximum modulation frequency
of input clock during SSC

Ver. 0.2 Apr. 07, 2009

SKEW_EO

DEV

MOD

- 1/7

+ 1/7t

T

clk

%± 3-F

KHz200-F

-

-

-

9 / 30