LG Display LM240WU7-SLB1 Specification

( ● ) Preliminary Specification
( ) Final Specification

LM240WU7

Liquid Crystal Display

Product Specification

SPECIFICATION

FOR

APPROVAL

24.0” WUXGA TFT LCDTitle

BUYER

MODEL

APPROVED BY

/

/

/

HP

SIGNATURE

DATE

LG Display Co., Ltd.SUPPLIER

LM240WU7*MODEL

SLB1SUFFIX

*When you obtain standard approval,

please use the above model name without suffix

APPROVED BY

H.S KIM / G.Manager

REVIEWED BY

J.Y LEE / Manager [C]

K.H MOON / Manager [M]

G.T KIM / Manager [P]

PREPARED BY

S.J Lee / Engineer

SIGNATURE

DATE

Please return 1 copy for your confirmation with

your signature and comments.

Ver. 0.5 Oct. 14 . 2009

MNT Products Engineering Dept.

LG Display Co., Ltd.

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Product Specification

Contents

LM240WU7

Liquid Crystal Display

PageITEMNo

COVER
CONTENTS
RECORD OF REVISIONS
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
VLCD DIP CONDITION3-7
OPTICAL SFECIFICATIONS4

MECHANICAL CHARACTERISTICS5

1
2
3
4
5

6
6

9
14
15
16
17
18
19

25

RELIABLITY6
INTERNATIONAL STANDARDS7
SAFETY7-1
EMC7-2
ENVIRONMENT7-3
PACKING8
DESIGNATION OF LOT MARK8-1
PACKING FORM8-2

PALLET FORM8-3
PRECAUTIONS9

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29

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Product Specification

RECORD OF REVISIONS

LM240WU7

Liquid Crystal Display

Revision

No

PageRevision Date

First Draft (Preliminary)-Jun. 4. 20090.0
Change the Model Name (SLA1 → SLB1)1Jun. 16. 20090.1
Update the General Features4Jul. 30. 20090.2
Update the Electircalcharacteristics6
Update the CNT Pin Configuration(#28 Change the NC Connection)9
Change the General Features about Power consumption4Aug. 27. 20090.3

Change Spec of Input current & Power consumption6
Update the optical characteristics19Oct. 1. 20090.4

Change the numerical formula of GSR20
Change relative luminance of zero gray 24

Update the mechanical drawing.27
Change note (number 10) of operating precautions (section 9-2)33
Change the variance of lamp voltage from ±10% to ±20% (Note 6)7Oct. 14. 20090.5

Description

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LM240WU7

Liquid Crystal Display

Product Specification

1. General Description

LM240WU7 is a Color Active Matrix Liquid Crystal Display with anintegral Cold Cathode Fluorescent
Lamp(CCFL) backlight system. The matrix employs a-Si Thin Film Transistor as the active element.
It is a transmissivetype display operating in the normally black mode. It has a 24inch diagonally measured
active display area with WUXGA resolution (1200 vertical by 1920horizontal 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(True) colors.
Ithas been designed to apply the 8Bit 2 port LVDS interface.
It is intended to support displays where high brightness, super wide viewing angle,
high color saturation, and high color are important.

LVDS

2port

CN1

(30pin)

+12.0V

General Features

+12.0V

V

Lamp

24.1 inches(61.13cm) diagonalActive Screen Size

546.4(H) x 352.0(V) x 35.7(D) mm(Typ.) * without inverterOutline Dimension

0.270 mm x 0.270 mmPixel Pitch

RGB

Timing

Controller

Power Circuit

Block

2 x 6Sockets (High)

Source Driver Circuit

S1 S1920

TFT -LCD Panel

(1920 × RGB × 1200 pixels)

Back light Assembly

(U-Shape 6CCFL)

1920 horiz. By 1200 vert. Pixels RGB stripes arrangementPixel Format
8-bit, 16,777,216 colorsColor Depth
400cd/m

2

( Center 1 points)Luminance, White
View Angle Free (R/L 178(Typ.), U/D 178(Typ.))Viewing Angle(CR>10)
Total 70.20Watt (Typ.) ( 7.20 Watt@VLCD, 63 Watt @Vlamp)Power Consumption
2830 g (typ.) Weight
Transmissive mode, normally blackDisplay Operating Mode
Hard coating(3H), Anti-glare treatment of the front polarizerSurface Treatment

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LM240WU7

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

Symbol

Values

MaxMin

500TOP
60-20TST

Units

Vdc14-0.3VLCD

°C
°C

%RH9010HOP
%RH9010HST

at 25 ± 2°C

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.

Note : 2. Maximum Storage Humidity is up to 40℃, 70% RH only for 4 corner light leakage Mura.

90%

60

60%

Wet Bulb
Temperature [C]

10

0

20

50

40

40%

30

Humidity [(%)RH]

10%

Storage

Operation

1, 2

10 20 30 40 50 60 70 800-20
Dry Bulb Temperature [C]

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LM240WU7

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 :

at 25 °C

at 0 °C
Operating Frequency
Discharge Stabilization Time
Power Consumption
Life Time

Values

MaxTypMin

Vdc12.612.011.4VLCDPower Supply Input Voltage

ILCDPower Supply Input Current

Zm

11010090

1950(3.0mA)1750(6.0mA) 1550(8.0mA)VBLOperating Voltage

8.06.03.0IBLOperating Current

2500
2900

ohm

RMS

RMS

V

RMS

V

RMS

NotesUnit

1mV400VRFPermissive Power Input Ripple
2mA690600­3mA920800-

2Watt8.287.20-PLCDPower Consumption
4A3--IRUSHRush current

5, 6V

5mA

5,7VsEstablished Starting Voltage

8kHz805540fBL

5, 9Min3-Ts

10Watt69.363PBL

5, 11Hrs50,000

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 fromhigh-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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LM240WU7

Liquid Crystal Display

Product Specification

Note : Do not Insert conducting Material to lamp connecting socket. If the conducting Material is inserted

to the lamp connecting sockets, TFT-LCD Module has a low luminance and the inverter has abnormal

action. Because leakage current is occurred between lampconnecting socket and conducting material.

1. Permissive power ripple should be measured under V
time, we recommend the bandwidth configuration of oscilloscope is to be under 20Mhz.

2. The specified current and power consumption are under the V
whereas mosaic pattern(8 x 6) is displayed and fVis the frame frequency.

3. The current is specified at the maximum current pattern.

4. The duration of rush current is about 2ms and rising time of power Input is 1ms(min.).

5. Specified values are for a single lamp.

6. Operating voltage is measured at 25 ± 2°C. The variance of the voltage is ± 20%.

7. 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.

8. 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 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.

9. Let’s define the brightness of the lamp after being lighted for 5 minutes as 100%.
TSis the time required for the brightness of the center of the lamp to be not less than 95%.
The used lamp current is the lamp typical current.

10. 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

11. 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.

12. 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.

=12.0V, 25 ± 2°C,fV=60Hzconditionand At that

LCD

=12.0V, 25 ± 2°C,fV=60Hz condition

LCD

)

Lamp

* Asymmetry rate:

I p

| I p– I –p| / I

rms

x 100%

* Distortion rate

I -p

I p(or I –p) / I

rms

13. 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 ofbiased mercury as time goes.

14. In case of edgy type back light with over 6 parallel lamps, input current and voltage wave form should

be synchronized

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Product Specification

LM240WU7

Liquid Crystal Display

< Permissive Power Input Ripple (V

White Pattern

< Power consumption (V

Typical current pattern
(White : 255Gray, Black : 0Gray)

LCD

=12.0V, 25 ± 2°C,fV=60Hz) >

LCD

Black Pattern

=12.0V, 25 ± 2°C,fV=60Hz) >

Maximum current pattern

Mosaic Pattern(8 x 6)

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

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White Pattern

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Liquid Crystal Display

Product Specification

3-2. Interface Connections

3-2-1. LCD Module

-LCD Connector(CN1) : IS100-L30B-C23 (UJU), KDF71G-30S-1H (Hirose )or Equivalent

-Mating Connector : FI-X30C2L (Manufactured by JAE) or Equivalent

Table 3 MODULE CONNECTOR(CN1) PIN CONFIGURATION

Symbol

SymbolNo

FR0M1

Minus signal of odd channel 0 (LVDS)

Description

No
16

SR1P

Plus signal of even channel 1 (LVDS)

Description

LM240WU7

FR0P2
FR1M3
FR1P4
FR2M5
FR2P6
GND7

FCLKINM8
FCLKINP9

FR3M10
FR3P11
SR0M12

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)

17
18
19
20
21
22

23
24

25
26
27

GND
SR2M
SR2P
SCLKINM
SCLKINP

SR3M
SR3P
GND

OPEN
OPEN
PWM

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
NC
NC

PWM_OUT for Wavy Noise
ODC ON/OFF Control

SR0P13

Plus signal of even channel 0 (LVDS)

28

ODC ON

H : ODC ON , L : ODC OFF

(Connect High or Low.NoNC Condition)
GND14
SR1M15

Ground
Minus signal of even channel 1 (LVDS)

29
30

VLCD
VLCD

Power Supply +12.0V

Power Supply +12.0V

Note: 1. All GND(ground) pins should be connected together and to Vss which should also be connected to

the LCD’s metal frame.

2. All VLCD (power input) pins should be connected together.

3. Input Level of LVDS signal is based on the EIA 664 Standard.
User Connector Diagram

1

30

#1 #30

Rear view of LCM

IS100-L30B-C23(UJU)

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LM240WU7

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－
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＋

46 Negative LVDS differential data output 1TXOUT1－18 TTL Input (B7)D17
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

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 : Refer to LVDS Transmitter Data Sheet for detail descriptions.

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LVDS Input characteristics

1. DC Specification

LM240WU7

Liquid Crystal Display

Product Specification

LVDS Common mode Voltage
LVDS Input Voltage Range

2. AC Specification

LVDS Clock to Data Skew Margin
LVDS Clock to Clock Skew Margin (Even to

Odd)

CM

IN

SKEW

SKEW

SKEW_EO

-600

-1/7

NotesUnitMaxMinSymbolDescription

-mV600100|VID|LVDS Differential Voltage

-V1.80.6V

-V2.10.3V

NotesUnitMaxMinSymbolDescription

85MHz > Fclk ≥ 65MHzps+ 400-400t

ps+ 600t

65MHz > Fclk ≥ 25MHz

+ 1/7t

T

clk

-

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