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.

1/ 34

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

Ver. 0.5 Oct. 14 . 2009

26
27
27
27
27
28
28
29

30
31

2/ 34

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

Ver. 0.5 Oct. 14 . 2009

3/ 34

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

Ver. 0.5 Oct. 14 . 2009

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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

Ver. 0.5 Oct. 14 . 2009

White Pattern

8/ 34

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.

Ver. 0.5 Oct. 14 . 2009

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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

-

Ver. 0.5 Oct. 14 . 2009

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Product Specification

< Clock skew margin between channel >

LM240WU7

Liquid Crystal Display

3. Data Format

1) LVDS 2 Port

< LVDS Data Format >

Ver. 0.5 Oct. 14 . 2009

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2) LVDS 1 Port

RCLK+

LM240WU7

Liquid Crystal Display

Product Specification

RA+/-

RB+/-

RC+/-

RD+/-

R3 R2

G4 G3

B5 B4

G7 G6

Previous(N-1)thCycle Next(N+1)thCycle

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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LM240WU7

Liquid Crystal Display

Product Specification

3-3. Signal Timing Specifications

This is signal timing required at the input of the TMDS transmitter. All of the interface signal timing should be
satisfied with the following specifications for it’s proper operation.

Table 5. TIMING TABLE (VESA COORDINATED VIDEO TIMING)

DCLK

Hsync

Vsync

Data

Period

Frequency

Period

Width-Active

Period

Frequency

Width-Active

Horizontal Valid

Horizontal Back Porch

Horizontal Front Porch

Horizontal Blank

SYMBOL

NoteUnitMaxTypMinITEM

ns13.1612.9812.82tCLK

MHz787776fCLK

104410401036tHP

tCLK

161616tWH

tHP123712351233tVP

Hz6159.9558.85fV

666tWV

960960960tHV

444036tHBP

282420tHFP

tHP

tCLK

Pixel frequency

: Typ. 154MHz

tWH+ tHBP+ tHFP848076-

Enable

Vertical Valid

Vertical Back Porch

Vertical Front Porch

Vertical Blank

-

120012001200tVV

272625tVBP

tHP

432tVFP

tWV+ tVBP+ tVFP373533

Note: Hsyncperiod and Hsyncwidth-active should be even number times of tCLK. If thevalue is odd number

times of tCLK, display control signal can be asynchronous.In order tooperate this LCM a Hsync,

Vsyn, and DE(data enable) signals should be used.

1. The performance of the electro-optical characteristics may be influenced by variance of the vertical
refresh rates.

2. Vsyncand Hsyncshould be keep the above specification.

3. HsyncPeriod, HsyncWidth, and Horizontal Back Porch should be any times of of character

number(8).

4. The polarity of Hsync, Vsyncis not restricted.

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3-4. Signal Timing Waveforms

LM240WU7

Liquid Crystal Display

Product Specification

Hsync, Vsync, DE, DATA

t

CLK

Dclk

INVALID

DATA

DE(Data Enable)

Hsync

t

WH

0.5VDD

0.7VDD

0.3VDD

VALID

Data are latched at the falling edge of DCLK

t

HP

INVALID

t

HBP

DE(Data Enable)

t

WV

Vsync

t

VBP

DE(Data Enable)

Ver. 0.5 Oct. 14 . 2009

t

HV

t

VP

t

VV

t

t

HFP

VFP

15/ 34

LM240WU7

Liquid Crystal Display

Product Specification

3-5. Color Input Data Reference

The Brightness of each primary color(red,green,blue) is based onthe 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 6. COLOR DATA REFERENCE

Input Color Data

Basic

Color

RED

Color

Black 0 0 0 0 0 0 0 00 0 0 0 0 0 0 00 0 0 0 0 0 0 0
Red (255)
Green (255)
Blue (255)
Cyan

Magenta
Yellow

White

MSB LSB

RED

GREEN

MSB LSB

BLUE

MSB LSB

B7 B6 B5 B4 B3 B2 B1 B0G7 G6 G5 G4 G3 G2 G1 G0R7 R6 R5 R4 R3 R2 R1 R0

0 0 0 0 0 0 0 00 0 0 0 0 0 0 01 1 1 1 1 1 1 1
0 0 0 0 0 0 0 01 1 1 1 1 1 1 10 0 0 0 0 0 0 0
1 1 1 1 1 1 1 10 0 0 0 0 0 0 00 0 0 0 0 0 0 0
1 1 1 1 1 1 1 11 1 1 1 1 1 1 10 0 0 0 0 0 0 0
1 1 1 1 1 1 1 10 0 0 0 0 0 0 01 1 1 1 1 1 1 1
0 0 0 0 0 0 0 01 1 1 1 1 1 1 11 1 1 1 1 1 1 1

1 1 1 1 1 1 1 11 1 1 1 1 1 1 11 1 1 1 1 1 1 1
0 0 0 0 0 0 0 00 0 0 0 0 0 0 00 0 0 0 0 0 0 0RED (000) Dark

0 0 0 0 0 0 0 00 0 0 0 0 0 0 00 0 0 0 0 0 0 1RED (001)

............

0 0 0 0 0 0 0 00 0 0 0 0 0 0 01 1 1 1 1 1 1 0RED (254)
0 0 0 0 0 0 0 00 0 0 0 0 0 0 01 1 1 1 1 1 1 1RED (255)
0 0 0 0 0 0 0 00 0 0 0 0 0 0 00 0 0 0 0 0 0 0GREEN (000) Dark

GREEN

BLUE (000) Dark

BLUE

Ver. 0.5 Oct. 14 . 2009

0 0 0 0 0 0 0 00 0 0 0 0 0 0 10 0 0 0 0 0 0 0GREEN (001)

............

0 0 0 0 0 0 0 01 1 1 1 1 1 1 00 0 0 0 0 0 0 0GREEN (254)
0 0 0 0 0 0 0 01 1 1 1 1 1 1 10 0 0 0 0 0 0 0GREEN (255)

0 0 0 0 0 0 0 00 0 0 0 0 0 0 00 0 0 0 0 0 0 0
0 0 0 0 0 0 0 10 0 0 0 0 0 0 00 0 0 0 0 0 0 0BLUE (001)

............

1 1 1 1 1 1 1 00 0 0 0 0 0 0 00 0 0 0 0 0 0 0BLUE (254)
1 1 1 1 1 1 1 10 0 0 0 0 0 0 00 0 0 0 0 0 0 0BLUE (255)

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3-6. Power Sequence

LM240WU7

Liquid Crystal Display

Product Specification

V

LCD

90%

90%

Power Supply, V

LCD

Interface Signal, V
(Digital RGB signal,
SCDT ,V

sync

, H

sync

, DE,

i

0V

0V

Clock to PanelLink
Transmitter)

Power Supply for Backlight
Inverter

Table 7. POWER SEQUENCE

Parameter

10%

T1

T2 T5 T7

T6

10%

Valid Data

T3

LAMP ONLAMP OFF

Values

T4

MaxTypMin

LAMP OFF

Units

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

3. Lamp power must be turn on after power supply forLCD and interface signal are valid.

Ver. 0.5 Oct. 14 . 2009

ms10-0.5T1

ms50-0.01T2

ms--500T3

--200T4

ms

ms50-0.01T5

ms-1000T7

to0V.

LCD

17/ 34

3-7. VLCD Power Dip Condition

[ Figure 2 ] Power dip condition

Product Specification

t

d

V

V

LCD_dip

LM240WU7

Liquid Crystal Display

LCD

Dip condition

VLCD_dip ≤V

X 0.2, td≤20ms

LCD_typ

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LM240WU7

Liquid Crystal Display

Product Specification

4. Optical Specifications

Optical characteristics are determined after the unit has been ‘ON’ for approximately 30 minutes
in a dark environment at 25±2°C. The values specified are at an approximate distance 50cm fromthe LCD
surface at a viewing angle of Φ and θ equal to 0 ° and aperture 1 degree.

FIG 3 presents additional information concerning the measurement equipment and method.

Optical Stage(x,y)

LCD Module

[ FIG 3 ] Optical Characteristic Measurement Equipment and Method

Table 8. OPTICAL CHARACTERISTICS

SymbolParameter

Surface Luminance, white
Luminance Variation

Response Time

Gray to Gray

RED

GREEN

Color Coordinates
[CIE1931]

(By PR650)

BLUE

WHITE

Color Shift
(Avg. Δu’v’ < 0.02)

Horizontal
Vertical

Viewing Angle (CR>10)
General

GSR @ 60dgree
(Gamma shift rate)

Horizontal

Vertical
Horizontal
Vertical

WH

δ

WHITE
GTG_AVR
GTG_MAX

Rx

θ

CST_H

θ

CST_V

θ
θ

δ

Gamma_H

δ

Gamma_V

PR 880 or RD 80S

or PR 650

50cm

(Ta=25 °C, V

Typ

-0.03

H
V

=12.0V, fV=60Hz Dclk=154MHz, VBR=3.3V)

LCD

Values

400320L

MaxTypMin

2

NotesUnits

ms125-T
ms-13-T

0.644

0.335Ry

0.304Gx

0.613Gy

0.146Bx

Typ

+0.03

0.070By

0.313Wx

0.329Wy

-140-

-100-

-178170

-178170
20-­20--

%-82-Color gamut (CG, CIE1976)

11000700CRContrast Ratio
2cd/m
3%75

4

5Degree

6Degree

7%
8K+700G255 CCT-300-WPT (White Point Tracking)

92.2Gray Scale

Ver. 0.5 Oct. 14 . 2009

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Product Specification

Notes 1. Contrast Ratio(CR) is defined mathematically as : (By PR880)

RatioContrast =

It is measured at center point(Location P1)

2. Surface luminance(LWH)is luminance value at 5 points average across the LCD surface 50cm from
the surface with all pixels displaying white. For more information see FIG 2. (By PR880)

L

= = Average[ Lon1,Lon2,Lon3,Lon4,Lon5]

WH

3. The variation in surface luminance , δ WHITE is defined as : (By PR880)

LM240WU7

Liquid Crystal Display

pixels white all with Luminance Surface

pixels black all with Luminance Surface

=

δ

WHITE

Where L1to L9 are the luminance with all pixels displaying white at 9 locations.

For more information see FIG 2.

4. Gray to gray response time is the time required forthe display to transition from gray to gray. For
additional information see Table 10. (By RD80S)

5. Color shift is the angle at which the average colordifference for all Macbeth is lower than 0.02.

For more information see FIG 3 and FIG 4. (By EZ Contrast)

-Color difference (Δu’v’)

x

u

'

=

4

v

'

++−

yx

3122

24

∆

1∑=

i

)''(

=∆

vuAvg

=

)''(

ivu

…

)L .. ,L,Minimum(L

P9P2P1

100

×

)L .... ,L ,(L Maximum

P9P2P1

y

9

++−

yx

3122

u’1, v’1 : u’v’ value at viewing angle direction
u’2, v’2 : u’v’ value at front (θ=0)

i : Macbeth chart number (Define 22 page)

2

21

2

)''()''('' vvuuvu −+−=∆

21

24

-Pattern size : 25% Box size

-Viewing angle direction of color shift : Horizontal, Vertical

6. 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 FIG 4.(By PR880)

7. GSR is the rate of gamma shift at up, down, left and right 60 degree viewing angle compare with
center gamma. For more information see FIG 5 and FIG 6 (By EZ Contrast)

-GSR (δ

8. WPT (White Point Tracking) is the variation of color temperature between G255 and G63.

(By PR650)

Ver. 0.5 Oct. 14 . 2009

) is defined as :

Gamma




1 ×

−=GSR




Degree) 60Light Reft, Down, (Up, Value Gamma angle View

Degree) (0 Value GammaCenter




100




20/ 34

Product Specification

Notes9. Gray scale specification

Gamma Value is approximately 2.2. For more information see Table 11.

Measuring point for surface luminance & measuring point for luminance variation.

H

LM240WU7

Liquid Crystal Display

H/2

●

●

P2

P5

V/2

V

●

V/10

The gray to gray response time is defined as the following figure and shall be measured by switching the

input signal for “Gray To Gray”.

-Gray step : 5 step

-TGTG_AVR is the total average time at rising time and falling time for “Gray To Gray”.

-TGTG_MAX is the max time at rising time or falling time for “Gray To Gray”.

-In case of the difference in measured values due to the difference of measuring device or
program was found, correlated value will be used after discussions between both parties.

P7

FIG. 2 Measure Point for Luminance

●

●

●

P3

P1

P8

●

●

●

H/10

P4

P6

P9

H : 518.4 mm
V : 324.0 mm

Table 10. Gray to gray response time table

Gray to Gray

G1023

G767

Falling Time

Ver. 0.5 Oct. 14 . 2009

G511
G255

G0

Rising Time

G0G255G511G767G1023

21/ 34

Product Specification

Color shift is defined as the following test pattern and color.

FIG. 3 Color Shift Test Pattern

Average RGB values in Bruce RGB for Macbeth Chart

LM240WU7

Liquid Crystal Display

25% Box size

Bluish greenBlue flowerFoliageBlue skyLight skinDark skin

459519311343827395R
799475411451571227G
715743187647495183B

Orange yellowYellow greenPurpleModerate redPurplish blueOrange

923643307847227879R
651775159271279419G
11923534735169999B

cyanMagentaYellowRedGreenBlue

143831967791291107R
507251851111595131G
691607147151263583B

blackNeutral 3.5Neutral 5Neutral 6.5Neutral 8White

91255443623827963R
91255443623827963G
91255443623827963B

Ver. 0.5 Oct. 14 . 2009

22/ 34

Dimension of viewing angle range.

LM240WU7

Liquid Crystal Display

Product Specification

φ

= 180°, Left

φ

= 270°, Down

Normal

E

θ

φ

FIG. 4 Viewing angle

Y

φ

= 90°, Up

φ

= 0°, Right

FIG. 5 Sample Luminance vs. gray scale

(using a 256 bit gray scale)

Here the Parameter α and γ relate the signal level V to the luminance L.
The GAMMA we calculate from the log-log representation (FIG. 6)

Ver. 0.5 Oct. 14 . 2009

FIG. 6 Sample Log-log plot of luminance

vs. gray scale

r

LaVL +=

b

b

+=−

)log()log()log( aVrLL

23/ 34

Table 10. Gray Scale Specification

LM240WU7

Liquid Crystal Display

Product Specification

Relative Luminance [%] (Typ.)Gray Level

0.10

31
63
95

127
159
191
223
255

1.2

4.7

11.7

21.2

35.2

53.0

75.4
100

Ver. 0.5 Oct. 14 . 2009

24/ 34

LM240WU7

Liquid Crystal Display

Product Specification

5. Mechanical Characteristics

The contents provide general mechanical characteristics. In addition the figures in the next page are detailed
mechanical drawing of the LCD.

546.4mmHorizontal

Outline Dimension

Bezel Area

Active Display Area

Surface Treatment

2830 g(Typ) / 2970 g(Max)Weight
Hard coating(3H)

Anti-glare treatment of the front polarizer

352.0mmVertical

35.7mmDepth

522.4mmHorizontal

328.0mmVertical

518.4mmHorizontal

324.0mmVertical

Notes : Please refer to a mechanic drawing in terms of toleranceat the next page.

Ver. 0.5 Oct. 14 . 2009

25/ 34

<FRONT VIEW>

LM240WU7

Liquid Crystal Display

Product Specification

Ver. 0.5 Oct. 14 . 2009

26/ 34

<REAR VIEW>

LM240WU7

Liquid Crystal Display

Product Specification

Ver. 0.5 Oct. 14 . 2009

27/ 34

6. Reliability

Environment test condition

5

Vibration test
(non-operating)

LM240WU7

Liquid Crystal Display

Product Specification

ConditionTest ItemNo

Ta= 60°C 240hHigh temperature storage test1

Ta= -20°C 240hLow temperature storage test2

Ta= 50°C 50%RH 240hHigh temperature operation test3

Ta= 0°C 240hLow temperature operation test4
Wave form : random

Vibration level : 1.0G RMS
Bandwidth : 10-300Hz
Duration : X,Y,Z, 10 min

One time each direction

Shock level : 100G

6

8

9

Shock test
(non-operating)

Humidity condition Operation7

Altitude

storage / shipment

Maximum Storage Humidity for
4 corner light leakage Mura.

Waveform : half sine wave, 2ms
Direction : ±X, ±Y, ±Z

One time each direction

Ta= 40 °C ,90%RH

0 -40,000 feet(12192m)

Max 70%RH , Ta=40℃

Ver. 0.5 Oct. 14 . 2009

28/ 34

LM240WU7

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 1stEd. April 1, 2003, Canadian Standards Association,

Standard for Safety of Information Technology Equipment.

c) EN 60950-1:2001, First Edition,

European Committee for ElectrotechnicalStandardization(CENELEC)
European Standard for Safety of Information Technology Equipment.

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 ElectrotechnicalStandardization.(CENELEC), 1998

( Including A1: 2000 )

7-3. Environment

a) RoHS. Directive 2002/95/EC of the European Parliament and of the Council on the reduction of the

use of certain hazardous substances in electrical and electronic equipment. January 2003

Ver. 0.5 Oct. 14 . 2009

29/ 34

8. Packing

8-1. Designation of Lot Mark

a) Lot Mark

A B C D E F G H I J K L M

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

Note

1. YEAR

LM240WU7

Liquid Crystal Display

Product Specification

Year

Mark

2006720078200892009

6

321

200452005

4

200320022001

2010

2. MONTH

Month

Mark

Apr5May

4

Jun

6

Jul8Aug9Sep

7

b) Location of Lot Mark

Serial No. is printed on the label. The label is attached to thebackside of the LCD module.
This is subject to change without prior notice.

0

Oct

A

Nov

B

DecMarFebJan

C321

Ver. 0.5 Oct. 14 . 2009

30/ 34

8-2. Packing Form

a) Package quantity in one box : 5EA
b) Box Size : 436 X 346 X 628

LM240WU7

Liquid Crystal Display

Product Specification

Ver. 0.5 Oct. 14 . 2009

31/ 34

8-3. Pallet Form

LM240WU7

Liquid Crystal Display

Product Specification

Ver. 0.5 Oct. 14 . 2009

MATERIALDESCRIPTIONNO.

PACKING ASS’Y1

PALLET2

TAPE5

BAND6

BAND, CLIP7

Paper_1030X870X130

SWR4ANGLE, PACKING3

YUPO PAPERLABEL4

OPP

PP

CLIP 18MM

32/ 34

LM240WU7

Liquid Crystal Display

Product Specification

9. PRECAUTIONS

Please pay attention to the followings when you use this TFT LCDmodule.

9-1. MOUNTING PRECAUTIONS

(1) You must mount a module using holes arranged in four cornersor 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 the surface 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 desirable 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 polarizerswith 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 detrimental

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.

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, smearor 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’t be operated

its full characteristics perfectly.

(8) A screw which is fastened up the steels should be a machine screw.

(if not, it causes metallic foreign material and deal LCM afatal blow)
(9)Please do not set LCD on its edge.

(10) When LCMsare used for public display defects such as Yogure, image sticking can not be guarantee.

Ver. 0.5 Oct. 14 . 2009

33/ 34

LM240WU7

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 ion­blown 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 thebezel surface or its vestige is recognized,

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

Ver. 0.5 Oct. 14 . 2009

34/ 34