LG Display LM240WU8-SLD1 Specification

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୛

( ) Preliminary Specification

) Final Specification

(

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LM240WU8

Liquid Crystal Display

Product Specification

SPECIFICATION

FOR

APPROVAL

Title 24.0” WUXGA TFT LCD

BUYER General

MODEL

APPROVED BY

/

/

SIGNATURE

DATE

SUPPLIER LG Display Co., Ltd.

*MODEL LM240WU8

SUFFIX SLD1

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

APPROVED BY

B. C. KIM / G.Manager

REVIEWED BY

S. H . Kim / Manager [C]

Y. H. Hwang / Manager [M]

M. S. Kang / Manager [P]

SIGNATURE

DATE

S. H. Han / Manager [O]

PREPARED BY

/

Please return 1 copy for your confirmation with

your signature and comments.

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IT/Mobile Development Division 1

LG Display Co., Ltd

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LM240WU8

Liquid Crystal Display

Product Specification

Contents

No ITEM

COVER 1

CONTENTS 2

RECORD OF REVISIONS 3

1 GENERAL DESCRIPTION 4

2 ABSOLUTE MAXIMUM RATINGS 5

3 ELECTRICAL SPECIFICATIONS 6

1) ELECTRICAL CHARACTERISTICS 6

2) INTERFACE CONNECTIONS 8

3) LVDS characteristics 11

4) SIGNAL TIMING SPECIFICATIONS 14

5) SIGNAL TIMING WAVEFORMS 15

6) COLOR INPUT DATA REFERNECE 16

7) POWER SEQUENCE 17

8) POWER DIP CONDITION 18

Page

4 OPTICAL SPECIFICATIONS 19

5 MECHANICAL CHARACTERISTICS 25

6 RELIABILITY 28

7 INTERNATIONAL STANDARDS 29

1) SAFETY

2) EMC

3) ENVIRONMENT

8 PACKING 30

1) DESIGNATION OF LOT MARK 30

2) PACKING FORM 30

9 PRECAUTIONS 31

1) MOUNTING PRECAUTIONS 31

2) OPERATING PRECAUTIONS 31

3) ELECTROSTATIC DISCHARGE CONTROL 32

4) PRECAUTIONS FOR STRONG LIGHT EXPOSURE 32

29

29

27

5) STROAGE 32

6) HANDLING PRECAUTIONS FOR PROTECTION FILM 32

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Product Specification

Record of revisions

Revision

No.

0.0 Mar. 08. 2012 - Preliminary Specifications

0.1 Apr. 26. 2012 26,27 Update drawings

0.2 Jun. 26 .2012 4, 6 Update the Logic Power consumption

0.3 Aug. 14. 2012 7 Update LED bar electrical characteristics

0.4 Oct. 11. 2012 5 Add LCM Surface Temperature SPEC

Revision Date Page Description

14 Update note

28 Update Altitude operating spec

31 Update Mounting Precautions

19 Update Optical characteristics

25 Update Weight

28 Update Environment test conditions

30 Update Packing form

26 Update Front View Drawing

1.0 Oct. 16. 2012 24 Gray scale specification ( 9 step Æ 17 step)

29 Update safety

- Final Specification

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LM240WU8

Liquid Crystal Display

Product Specification

1. General description

LM240WU8 is a Color Active Matrix Liquid Crystal Display with an integral Light Emitting Diode (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 black mode. It has a 24 inch diagonally measured active display area with
WUXGA resolution (1200 vertical by 1920 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 sub­pixels, the LM240WU8’s characteristics provide an excellent flat panel display for office automation products
such as monitors.

FIG. 1 Block diagram

LVDS

pair #1

LVDS

CN1

(30pin)

pair #2

+12V

VLCD

Power circuit

Timing

controller

block

V

Led (3ch)

RGB

Source driver circuit

S1

G1

TFT-LCD Panel

(1920ÝRGBÝ1200 pixels)

G1200

Backlight assembly (White LED)

General features

Active screen size 24.1 inches(61.13cm) diagonal (Aspect ratio 16:10)

Outline Dimension 546.4(H) x 352.0(V) x 11.7(D) mm (Typ.)

S1920

Pixel Pitch 0.270 mm x 0.270 mm

Pixel Format 1920 hor. By 1200 Vertical Pixels RGB stripes arrangement

Interface LVDS 2Port

Color depth 16.7M colors (6bit+A-FRC)

2

Luminance, white 300 cd/m

( Center 1Point, typ)

Viewing Angle (CR>10) R/L 178(Typ.), U/D 178(Typ.)

Power Consumption

Total 16.06 Watt (Typ.) ( 3.96 Watt @VLCD, 12.1 Watt @Vled)

Weight 2620g( Typ )

Display operating mode Transmissive mode, normally Black

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

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LM240WU8

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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 Symbol

Units Notes

Min Max

Values

Power Supply Input Voltage V

Operating Temperature T

Storage Temperature T

Operating Ambient Humidity H

Storage Humidity H

LCM Surface Temperature
(Operation)

T

Surface

LCD

OP

ST

OP

ST

-0.3 +14.0 Vdc at 25 r 2¶C

0 50 ¶C

-20 60 ¶C

1, 2 ,3

10 90 %RH

10 90 %RH

0 65 ୅ 1,4

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.

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

3. Storage condition is guaranteed under packing condition.

4. LCM Surface Temperature should be Min. 0୅ and Max. 65୅ under the VLCD=12V,
fV=60Hz, 25୅ ambient Temperature no humidity control and LED string current is typical value.

FIG. 2 Temperature and relative humidity

Wet Bulb
Temperature [୅]

20

10

0

10 20 30 40 50 60 70 80 0 -20

Dry Bulb Temperature [୅]

30

40

50

60

90%

60%

40%

10%

Storage

Operation

Humidity

[(%)RH]

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LM240WU8

Liquid Crystal Display

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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 LED Backlight, is typically
generated by an LED Driver. The LED Driver is an external unit to the LCDs.

Table 2-1. Electrical characteristics

Parameter Symbol

Unit Notes

Min Typ Max

MODULE :

Values

Power Supply Input Voltage V

Permissive Power Input Ripple V

I

Power Supply Input Current

LCD-MOSAIC

I

LCD-WHITE

Power Consumption P

Inrush current I

LCD

LCD

LCD

RUSH

11.4 12.0 12.6 Vdc

- - 0.4 V 3

280 330 378 mA 1

370 436 502 mA 2

- 3.96 4.56 Watt 1

- -

ZUWG

A 4

Note :

1. The specified current and power consumption are
under the V

LCD=12.0V, 25 r 2¶C,f

whereas mosaic pattern(8 x 6) is displayed and f

=60Hz condition

V

is the frame frequency.

V

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

3. Permissive power ripple should be measured under VCC=12.0V, 25¶C, f

(frame frequency)=Max

V

condition and At that time, we recommend the bandwidth configuration of oscilloscope
is to be under 20MHz.

4. The duration of rush current is about 2ms and rising time of power Input is 500us r 20%.

FIG.3 pattern for Electrical characteristics

power consumption measurement

White : 255Gray
Black : 0Gray

Mosaic Pattern(8 x 6)

Ver. 1.0 Oct. 16. 2012

power input ripple

Full White Pattern

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Product Specification

Table 2-2 . LED Bar ELECTRICAL CHARACTERISTICS

Parameter Symbol Condition

LM240WU8

Liquid Crystal Display

Values

Unit Notes

Min. Typ. Max.

LED String Current Is

LED String Voltage Vs

Power Consumption PBar

- 100 105

37.7 40.3 42.9

- 12.1 12.9

mA 1,2,5

V 1,5

Watt 1,2,4

LED Life Time LED_LT 30,000 - - Hrs 3

Notes) The LED Bar consists of 39 LED packages, 3 strings (parallel) x 13 packages (serial)

LED driver design guide

1) The design of the LED driver must have specifications for the LED in LCD Assembly.
The performance of the LED in LCM, for example life time or brightness, is extremely influenced by
the characteristics of the LED driver.
So all the parameters of an LED driver should be carefully designed and output current should be
Constant current control.
Please control feedback current of each string individually to compensate the current variation
among the strings of LEDs.
When you design or order the LED driver, please make sure unwanted lighting caused by
the mismatch of the LED and the LED driver (no lighting, flicker, etc) never occurs.
When you confirm it, the LCD module should be operated in the same condition as installed in
your instrument.

2) LGD recommend that Dimming Control Signal ( PWM Signal) is synchronized with Frame Frequency
for Wavy Noise Free.

Notes :

1. The specified values are for a single LED bar.

2. The specified current is defined as the input current for a single LED string with 100% duty
cycle.

3. The LED life time is defined as the time when brightness of LED packages become 50% or less
than the initial value under the conditions at Ta = 25 r 2¶C and LED string current is typical

value.

4. The power consumption shown above does not include loss of external driver.
The typical power consumption is calculated as P
The maximum power consumption is calculated as P

Bar = Vs(Typ.) x Is(Typ.) x No. of strings.

Bar = Vs(Max.) x Is(Typ.) x No. of strings.

5. LED operating conditions must not exceed Max. ratings.

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Product Specification

3-2. Interface connections

- LCD Connector(CN1) : GT103-30S-H23-D (LSM), KDF71G-30S-1H(Hirose) or Equivalent

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

Table 3. Module connector(CN1) pin configuration

LM240WU8

Pin No

1
2
3
4
5
6

7

8

9
10
11
12
13
14
15
16

Symbol Description

RXO0­ RXO0+
RXO1­ RXO1+
RXO2­ RXO2+

GND

RXOC­ RXOC+
RXO3­ RXO3+
RXE0­ RXE0+
GND
RXE1­ RXE1+

Minus signal of 1st channel 0 (LVDS)

Plus signal of 1st channel 0 (LVDS)
Minus signal of 1st channel 1 (LVDS)
Plus signal of 1st channel 1 (LVDS)
Minus signal of 1st channel 2 (LVDS)
Plus signal of 1st channel 2 (LVDS)
Ground
Minus signal of 1st clock channel (LVDS)
Plus signal of 1st clock channel (LVDS)
Minus signal of 1st channel 3 (LVDS)

Plus signal of 1st channel 3 (LVDS)

Minus signal of 2nd channel 0 (LVDS)
Plus signal of 2nd channel 0 (LVDS)
Ground
Minus signal of 2nd channel 1 (LVDS)
Plus signal of 2nd channel 1 (LVDS)

First Pixel data

17

18
19
20
21
22
23
24
25
26
27
28
29
30

Ver. 1.0 Oct. 16. 2012

GND

RXE2­ RXE2+
RXEC­ RXEC+
RXE3­ RXE3+
GND
NC
NC
PWM

LCD

V
VLCD
VLCD

Ground
Minus signal of 2nd channel 2 (LVDS)
Plus signal of 2nd channel 2 (LVDS)
Minus signal of 2nd clock channel (LVDS)
Plus signal of 2nd clock channel (LVDS)
Minus signal of 2nd channel 3 (LVDS)
Plus signal of 2nd channel 3 (LVDS)
Ground
No Connection (For LCD internal use only.)
No Connection (For LCD internal use only.)
PWM_OUT for Wavy Noise
Power Supply (12.0V)
Power Supply (12.0V)
Power Supply (12.0V)

Second Pixel data

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FIG. 4 Connector diagram

1’st signal pairs

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LM240WU8

Liquid Crystal Display

Product Specification

GT103-30S-H23-D (LSM)

#1 #30

2’nd signal pairs

Power(+12V)

Rear view of LCM

Note:

1. NC: No Connection.

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

be connected to the LCD’s metal frame.

3. All V

(power input) pins should be connected together.

LCD

4. Input Level of LVDS signal is based on the IEA 664 Standard.

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Table 4. BACKLIGHT CONNECTOR PIN CONFIGURATION(CN2)

The LED interface connector is a model SM06B-SHJH(HF) manufactured by JST.
The mating connector is a SHJP-06V-S(HF) or SHJP-06-A-K (HF ) and Equivalent.
The pin configuration for the connector is shown in the table below.

Pin Symbol Description Notes

1 FB1 Channel1 Current Feedback

2 NC No Connection

LM240WU8

3 VLED LED Power Supply

4 VLED LED Power Supply

5 FB2 Channel2 Current Feedback

6 FB3 Channel3 Current Feedback

FIG. 5 Backlight connector diagram

#1

Rear view of LCM

#6

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3-3. LVDS characteristics

3-3-1. DC Specification

LVDS -

LVDS +

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LM240WU8

Liquid Crystal Display

Product Specification

|VID|

# |VID| = |(LVDS+) ˀ (LVDS-)|
# V

= {(LVDS+) + (LVDS-)}/2

CM

0V

Description Symbol Min Max Unit Notes

LVDS Differential Voltage |V

LVDS Common mode Voltage V

LVDS Input Voltage Range V

3-3-2. AC Specification

LVDS Clock

LVDS Data

t

SKEW

V

CM

| 200 600 mV -

ID

0.6 1.5 V -

0.3 1.8 V -

T

clk

clk

=1 /T

clk

)

t

SKEW

CM

IN

(

F

V

IN_MAXVIN_MIN

1) 85MHz >Fclk ˻65MHz : -400 ~ + 400

2) 65MHz >Fclk ˻25MHz : -600 ~ + 600

Description Symbol Min Max Unit Notes

85MHz > Fclk ≥ 65MHz

65MHz > Fclk ≥ 25MHz

clk

LVDS Clock to Data Skew Margin

LVDS Clock to Clock Skew Margin
(Even to Odd)

t

SKEW

t

SKEW

t

SKEW_EO

- 400 + 400 ps

- 600 + 600 ps

- 1/7 + 1/7 T

Note 1 :
This SSC specifications are just T-CON operation specification. In case of various system condition,
the optimum setting value of SSC can be different. LGD recommend the SI should be adjust the SSC
deviation and modulation frequency in order not to happen any kinds of defect phenomenon.

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Product Specification

t

SKEW_EO

LM240WU8

Liquid Crystal Display

LVDS Odd Clock

LVDS Even Clock

LVDS Even Data

3-3-3. LVDS Data format

RCLK +

RXinO 0 +/ -

RXinO 1 +/ -

RXinO 2 +/ -

RXinO 3 +/ -

RXinE 0 +/ -

RXinE 1 +/ -

OR 3 OR 2 OR 1 OR 0

OG 4 OG 3 OG 2 OG 1

OB 5 OB 4 OB 3 OB 2

OG 7 OG 6 OR 7 OR 6

ER 3 ER 2 ER 1 ER 0

EG 4 EG 3 EG 2 EG 1

T

clk

T

clk

< Clock skew margin between channel >

Tclk

Tclk * 4 / 7 Tclk * 3 / 7

Tclk * 1 / 7

OG 0 OR 5 OR 4 OR 3 OR 2 OR 1 OR 0

OB 1 OB 0 OG 5 OG 4 OG 3 OG 2 OG 1

VSYNC HSYNC

DE

X OB 7 OB 6 OG 7 OG 6 OR 7 OR 6

EG 0 ER 5 ER 4 ER 3 ER 2 ER 1 ER 0

EB 1 EB 0 EG 5 EG 4 EG 3 EG 2 EG 1

OB 5 OB 4 OB 3 OB 2

OG 0 OR 5 OR 4

OB 1 OB 0 OG 5

VSYNC HSYNC

DE

X OB 7 OB 6

EG 0 ER 5 ER 4

EB 1 EB 0 EG 5

MSB R 7

R 6

R 5

R 4

R 3

R 2

R 1

R 0 LSB

* ODD = 1 st Pixel

EVEN = 2 nd Pixel

RXinE 2 +/ -

RXinE 3 +/ -

EB 5 EB 4 EB 3 EB 2

EG 7 EG 6 ER 7 ER 6

DE

X EB 7 EB 6 EG 7 EG 6 ER 7 ER 6

EB 5 EB 4 EB 3 EB 2

VSYNC HSYNC

Current ( Nth ) Cycle Previous ( N - 1 ) th Cycle Next ( N + 1 )

< LVDS Data Format >

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VSYNC HSYNC

DE

X EB 7 EB 6

th Cycle

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Table 5. Required signal assignment for Flat Link(NS:DS90CF383) transmitter

Pin # Require Signal Pin Name Pin # Require Signal Pin Name

1 Power Supply for TTL Input VCC 29 Ground pin for TTL GND

2 TTL Input (R7) D5 30 TTL Input (DE) D26

3 TTL Input (R5) D6 31 TTL Level clock Input TX CLKIN

4 TTL Input (G0) D7 32 Power Down Input PWR DWN

5 Ground pin for TTL GND 33 Ground pin for PLL PLL GND

6 TTL Input (G1) D8 34 Power Supply for PLL PLL VCC

7 TTL Input (G2) D9 35 Ground pin for PLL PLL GND

LM240WU8

8 TTL Input (G6) D10 36 Ground pin for LVDS LVDS GND

9 Power Supply for TTL Input VCC 37 Positive LVDS differential data output 3

10 TTL Input (G7) D11 38 Negative LVDS differential data output 3

11 TTL Input (G3) D12 39 Positive LVDS differential clock output

12 TTL Input (G4) D13 40 Negative LVDS differential clock output

13 Ground pin for TTL GND 41 Positive LVDS differential data output 2

14 TTL Input (G5) D14 42 Negative LVDS differential data output 2

15 TTL Input (B0) D15 43 Ground pin for LVDS LVDS GND

16 TTL Input (B6) D16 44 Power Supply for LVDS LVDS VCC

17 Power Supply for TTL Input VCC 45 Positive LVDS differential data output 1

18 TTL Input (B7) D17

19 TTL Input (B1) D18

20 TTL Input (B2) D19

22 TTL Input (B3) D20

46 Negative LVDS differential data output 1

47 Positive LVDS differential data output 0

48 Negative LVDS differential data output 0

49 Ground pin for LVDS LVDS GND 21 Ground pin for TTL Input GND

50 TTL Input (R6) D27

TxOUT3ు

TxOUT3ృ

TX CLKOUTు

TX CLKOUTృ

TX OUT2ు

TX OUT2ృ

TX OUT1ు

TX OUT1ృ

TX OUT0ు

TX OUT0ృ

23 TTL Input (B4) D21

24 TTL Input (B5) D22

25 TTL Input (RSVD) D23

26 Power Supply for TTL Input VCC 54 TTL Input (R2) D2

51 TTL Input (R0) D0

52 TTL Input (R1) D1

53 Ground pin for TTL GND

55 TTL Input (R3) D3 27 TTL Input (HSYNC) D24

56 TTL Input (R4) D4 28 TTL Input (VSYNC) D25

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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Product Specification

3-4. Signal timing specifications

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

Table 6. TIMING TABLE (VESA COORDINATED VIDEO TIMING)

ITEM SYMBOL Min Typ Max Unit Note

DCLK

Hsync

Vsync

Data

Period

Frequency

Period

Width-Active

Period

Frequency

Width-Active

Horizontal Valid

Horizontal Back Porch

Horizontal Front Porch

Horizontal Blank

tCLK

fCLK

tHP

tWH

tVP

fV

tWV

tHV

tHBP

tHFP

-

12.49 12.98 16.06

62.24 77 80

1013 1040 1048

16 16 16

1229 1235 1390

49.5 59.95 61

6 6 6

960 960 960

21 40 44

16 24 28

53 80 88

ns

MHz

tCLK

tHP

Hz

tHP

tCLK

Pixel frequency

: Typ. 154MHz

୔

Meet DCLK Max

80Mhz.

tWH+ tHBP+ tHFP

Enable

Vertical Valid

Vertical Back Porch

tVV

tVBP

1200 1200 1200

21 26 180

tHP

Vertical Front Porch

Vertical Blank

tVFP

-

2 3 4

29 35 190

Note:

1. DE Only mode operation. The input of Hsync & Vsync signal does not
have an effect on LCD normal operation.

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

3. Horizontal period should be even.

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Product Specification

3-5. Signal timing waveforms

1. DCLK , DE, DATA waveforms

t

CLK

Clk

tad

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thud

Valid

LM240WU8

Liquid Crystal Display

Invalid

Data

DE(Data Enable)

2. Horizontal waveform

DE(Data Enable)

3. Vertical waveform

tsar

Invalid

this

th

tHV

DE

top

tVV

DE(Data Enable)

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Liquid Crystal Display

Product Specification

3-6. Color input data reference

The brightness of each primary color (red,green and blue) is based on the 8bit 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
Color

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

MSB LSB

R7 R6 R5 R4 R3 R2 R1 R0 G7 G6 G5 G4 G3 G2 G1 G0 B7 B6 B5 B4 B3 B2 B1 B0

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

0

0

0

0

0

1

-

-

-

-

-

-

-

-

-

-

-

-

-

-

1

1

1

1

1

1

0

1

1

1

1

1

1

1

1

1

1

1

1

1

1

MSB LSB

0

0

1

0

0

1

0

0

0

1

1

0

1

1

1

1

0

0

1

0

0

0

-

-

-

-

1

0

0

0

1

0

0
0
1
0
1

0

1
1

0
0
0

-

­0
0
0

Green

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

0
0
1
0
1

0

1
1

0
0
0

-

­0
0
0

0
0
1
0
1

0

1
1

0
0
0

-

­0
0
0

Blue

MSB LSB

0

0

0

0

0

0

0

0

0

0

0

0

1

0

0

0

0

0

0

1

1

1

1

1

1

1

1

1

1

1

0

1

1

1

1

1

1

0

0

0

0

0

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

0

0

0
0
0
1
1

1

0
1

0
0
0

-

­0
0
0

0
0
0
1
1

1

0
1

0
0
0

-

­0
0
0

0
0
0
1
1

1

0
1

0
0
0

-

­0
0
0

Green(000) Dark
Green(001)

Green(002)

Green

Blue

- - - - - - - - -

- - - - - - - - ­Green(253)
Green(254)
Green(255)Bright

Blue(000) Dark
Blue(001)

Blue(002)

- - - - - - - - -

- - - - - - - - ­Blue(253)
Blue(254)
Blue(255) Bright

Ver. 1.0 Oct. 16. 2012

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

0
0
0

0
0
0

-

-

-

-

0
0
0

-

-

1

1

1

0
0
0

-

­0
0
0

0
0
0

-

-

1

1

1

0
0
0

-

­0
0
0

0
0
0

-

­1

1

1

0
0
0

-

­0
0
0

0
0
0

-

-

1

1

1

0
0
0

-

­0
0
0

0
0
0

-

-

1

1

1

0
0
0

-

­0
0
0

0
0
0

-

-

1

1

1

0
0
0

-

­0
0
0

0
0
1

-

-

0

1

1

0
0
0

-

­0
0
0

0
1
0

-

-

1

0

1

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

-

­1
1
1

0
0
0

-

-

0

0

0

0
0
0

-

­1
1
1

0
0
0

-

-

0

0

0

0
0
0

-

­1
1
1

0

0

0

0

0

0

-

-

-

-

0

0

0

0

0

0

0

0

0

0

0

0

-

-

-

-

1

1

1

1

1

1

16 / 32

0
0
0

-

-

0

0

0

0
0
1

-

­0
1
1

0
0
0

-

-

0

0

0

0
1
0

-

­1
0
1

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3-7. Power sequence

V

LCD

Power Supply For LCD

Interface Signal (Tx)

10%

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LM240WU8

Liquid Crystal Display

Product Specification

90% 90%

10%

T2 T5 T7

T1

Valid data

Power for BLU

Table 8. Power sequence

Parameter

T1 0.5 - 10 ms

T2 0.01 - 50 ms

T3 200 - - ms

T4 200 - - ms

T5 0.01 - 50 ms

0V

OFF

Min Typ Max

T3

LED on

Values

T4

OFF

Units

T7 1 - - s

Notes :

1. Please V

power on only after connecting interface cable to LCD.

LCD

2. Please avoid floating state of interface signal at invalid period.

3. When the interface signal is invalid, be sure to pull down the power supply for
LCD V

to 0V.

LCD

4. LED power must be turn on after power supply for LCD an interface signal are valid.

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Product Specification

3-8. V

Power dip condition

LCD

FIG. 6 Power dip condition

V

LCD

V

LCD_dip

t

d

Dip condition

LCD_dip ≤ V

V

LCD_typ

X 0.2, td≤20ms

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Product Specification

4. Optical specification

Optical characteristics are determined after the unit has been ‘ON’ for 30 minutes in a dark
environment at 25¶C. The values specified are at an approximate distance 50cm from the LCD
surface at a viewing angle of ) and T equal to 0 ¶.
FIG. 7 presents additional information concerning the measurement equipment and method.

FIG. 7 Optical characteristic measurement equipment and method

LCD Module

Optical

Stage(x,y)

Pritchard 880
or equivalent

50cm

Table 9. Optical characteristics

Ta= 25¶C, V

=12.0V, fV=60Hz, D

LCD

=154MHz, Is=100mA

CLK

Values

Parameter Symbol

Units Notes

Min Typ Max

Contrast Ratio CR 700 1000 1

Surface Luminance, white L
Luminance Variation G

Response Time Gray to Gray T

GTG_AVR

RED Rx

GREEN Gx 0.304
Color Coordinates
[CIE1931]

(By PR650)

BLUE Bx 0.150

WHITE Wx 0.313

WH

WHITE

250 300 cd/m

75 % 3

-1428ms4

0.653

Ry 0.332

Gy 0.633

Typ

-0.03

By 0.064

Wy 0.329

Typ

+0.03

2

2

Color Shift

(Avg. Δu’v’ < 0.02)

Horizontal

Vertical

T

CST_H

T

CST_V

- 100 ­Degree 5

- 140 -

Viewing Angle (CR>10)

General

GSR @ 60dgree
(Gamma shift rate)

Horizontal

Vertical

Horizontal

Vertical

T

H

T

V

G

Gamma_H

G

Gamma_V

170 178 -

Degree 6

170 178 -

--20

% 7

--20

Gray Scale 2.2 8

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Liquid Crystal Display

Product Specification

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

It is measured at center point(Location P1)

2. Surface luminance(L
from the surface with all pixels displaying white. For more information see FIG 7. (By PR880)

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

Where L1 to L9 are the luminance with all pixels displaying white at 9 locations.
For more information see FIG 8.

4. Gray to gray response time is the time required for the 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 color difference for all Macbeth is lower than 0.02.

For more information see FIG 9. (By EZ Contrast)

- Color difference (Δu’v’)

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)

- 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 10. (By PR880)

7. GSR is the rate of gamma shift at up, down, left and right 60 degree viewing angle compare with

- GSR (G

'

u

center gamma. For more information see FIG 11 and FIG 12

G

WHI TE

4

vuAvg

Gamma

§
¨

1 u

 GSR

¨
©

Rat ioCont rast

WH)is luminance value at Center 1 point(P1) across the LCD surface 50cm

}

x

'

'

v

ivu

)''(

3122



yx

24

¦

i

1

'

)''(

)L .. ,L,Minimum(L

P9P2P1

100

u

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

P9P2P1

9

y

3122



yx

24

) is defined as :

Degree) (0 Value GammaCenter

pixels white all with Luminance Surface
pixels black all with Luminance Surface

21

(By EZ Contrast)

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

·
¸

¸
¹

2

100

2

)''()''('' vvuuvu  '

21

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Product Specification

Notes 8. 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

LM240WU8

Liquid Crystal Display

V

V/2

V/10







P2

P5

P7

H/2



P3



P1



P8

H/10







P4

P6

P9

H : 518.4 mm
V : 324.0 mm

FIG. 8 Measure Point for Luminance

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

- T

GTG_AVR is the total average time at rising time and 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.

Table 10. Gray to gray response time table

Gray to Gray

G255

G191

Falling Time

Ver. 1.0 Oct. 16. 2012

G127

G63

G0

G255 G191 G127 G63 G0

Rising Time

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Product Specification

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

FIG. 9 Color Shift Test Pattern

LM240WU8

Liquid Crystal Display

25% Box size

Average RGB values in Bruce RGB for Macbeth Chart

Dark skin Light skin Blue sky Foliage Blue flower Bluish green

R 395 827 343 311 519 459

G 227 571 451 411 475 799

B 183 495 647 187 743 715

Orange Purplish blue Moderate red Purple Yellow green Orange yellow

R 879 227 847 307 643 923

G 419 279 271 159 775 651

B 99 699 351 347 235 119

Blue Green Red Yellow Magenta cyan

R 107 291 791 967 831 143

G 131 595 111 851 251 507

B 583 263 151 147 607 691

White Neutral 8 Neutral 6.5 Neutral 5 Neutral 3.5 black

R 963 827 623 443 255 91

G 963 827 623 443 255 91

B 963 827 623 443 255 91

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Dimension of viewing angle range.

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LM240WU8

Liquid Crystal Display

Product Specification

I

= 180q, Left

I

= 270q, Down

Normal

E

T

I

FIG. 10 Viewing angle

Y

I

= 90q, Up

I

= 0q, Right

FIG. 11 Sample Luminance vs. gray scale
(using a 256 bit gray scale)

r

LaVL 

b

FIG. 12 Sample Log-log plot of luminance

vs. gray scale

b

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. 11)

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Table 11. Gray Scale Specification

Gray Level Relative Luminance [%] (Typ.)

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LM240WU8

Liquid Crystal Display

Product Specification

sWG

sX\G

sZXG

s[^G

s]ZG

s^`G

s`\G

sXXXG

sXY^G

sX[ZG

sX\`G

sX^\G

sX`XG

sYW^G

WUXWG

WUZWG

XUW_G

YU\WG

[U^YG

^U^WG

XXU[`G

X]UYWG

YXU]]G

Y_UYWG

Z\U[\G

[ZU_G

\ZUWG

]ZUZG

sYYZG

sYZ`G

sY\\G

^[U[_G

_]U_G

XWWG

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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.

Table 12. Mechanical characteristics

Horizontal 546.4mm

Outline dimension

Bezel area

Active display area

Weight 2620g (Typ.), 2750g(Max)

Surface treatment

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

Vertical 352.0mm

Depth 11.7 mm

Horizontal 522.4mm

Vertical 328.0mm

Horizontal 518.4mm

Vertical 324.0mm

Hard coating(3H)
Anti-Glare treatment of the front polarizer

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< FRONT VIEW >

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< REAR VIEW >

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Product Specification

6. Reliability

Table 13. Environment test conditions

No Test Item Condition

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LM240WU8

Liquid Crystal Display

1 High temperature storage test

2 Low temperature storage test

3 High temperature operation test

4 Low temperature operation test

5

6

7

Vibration test
(non-operating)

Shock test
(non-operating)

Altitude
operating
storage / shipment

Ta= 60¶C 240h

Ta= -20¶C 240h

Ta= 50¶C 50%RH 240h

Ta= 0¶C 240h

Wave form : random
Vibration level : 1.0G RMS
Bandwidth : 10-300Hz
Duration : X,Y,Z, 10 min
One time each direction

Shock level : 100G
Waveform : half sine wave, 2ms
Direction : ᇹX, ᇹY, ᇹZ
One time each direction

0 – 16,500 feet(5,000m)
0 - 40,000 feet(12,192m)

{ 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.

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Product Specification

7. International standards

7-1. Safety

a) UL 60950-1, Underwriters Laboratories Inc.

Information Technology Equipment - Safety - Part 1 : General Requirements.

b) CAN/CSA C22.2 No.60950-1-07, Canadian Standards Association.

Information Technology Equipment - Safety - Part 1 : General Requirements.

c) EN 60950-1, European Committee for Electrotechnical Standardization (CENELEC).

Information Technology Equipment - Safety - Part 1 : General Requirements.

d) IEC 60950-1, The International Electrotechnical Commission (IEC).

Information Technology Equipment - Safety - Part 1 : General Requirements.

(Including report of IEC60825-1:2001 clause 8 and clause 9)

LM240WU8

Liquid Crystal Display

Notes

1. Laser (LED Backlight) Information

Class 1M LED Product

IEC60825-1 : 2001

Embedded LED Power (Class1M)

2. Caution
: LED inside.

Class 1M laser (LEDs) radiation when open.
Do not open while operating.

7-2. EMC

a) ANSI C63.4 “American National Standard for Methods of Measurement of Radio-Noise
Emissions from Low-Voltage Electrical and Electronic Equipment in the Range of 9 kHz
to 40 GHz.”
American National Standards Institute (ANSI), 2003.
b) CISPR 22 “Information technology equipment – Radio disturbance characteristics –
Limit and methods of measurement." International Special Committee on Radio
Interference (CISPR), 2005.
c) CISPR 13 “Sound and television broadcast receivers and associated equipment – Radio
disturbance
characteristics – Limits and method of measurement." International Special Committee
on Radio Interference (CISPR), 2006.

7-3. Environment

a) RoHS, Directive 2002/95/EC of the European Parliament and of the council of 27
January 2003

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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.

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LM240WU8

Liquid Crystal Display

Product Specification

Note:

1. Year

Year

Mark

2. Month

Month

Mark

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

2013 2012 2011

2014 E 2015

C B A

D

Apr 5 May

4

2016 G 2017 H 2018 J 2019

F

Jun 7 Jul 8 Aug 9 Sep

6

2020

K

Oct

A

Nov

B

Dec Mar Feb Jan

C 3 2 1

a) Package quantity in one box : 10 pcs

b) Box size : 408 mm X 355 mm X 600mm

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Liquid Crystal Display

Product Specification

9. Precautions

Please pay attention to the followings 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 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 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 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.

(10) As The IPS panel is sensitive & slim, please recommend the metal frame of the system
supports the panel by the double side-mount.

9-2. Operating precautions

(1) The spike noise causes the miss-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 higher 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)
(9) Please do not set LCD on its edge.

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

(11) LCMs cannot support “Interlaced Scan Method”

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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 surface or
its vestige is recognized, please wipe them off with absorbent cotton waste or
other soft material like chamois soaked with normal-hexane.

Ver. 1.0 Oct. 16. 2012

One step solution for LCD / PDP / OLED panel application: Datasheet, inventory and accessory!

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