LG Display LM240WU8-SLD1 Specification
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) 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.
Ver. 1.0 Oct. 16. 2012
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T. K. Kim / Engineer
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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LM240WU8
Liquid Crystal Display
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
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 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
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 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)
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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
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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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