Global LCD Panel Exchange Center |
www.panelook.com |
LM240WU8
Liquid Crystal Display
Product Specification
SPECIFICATION
FOR
APPROVAL
( ) Preliminary Specification
( ) Final Specification
Title |
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24.0” WUXGA TFT LCD |
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BUYER |
DELL |
SUPPLIER |
LG Display Co., Ltd. |
MODEL |
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*MODEL |
LM240WU8 |
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SUFFIX |
SLA2 |
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*When you obtain standard approval, |
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please use the above model name without suffix
APPROVED BY
SIGNATURE
DATE
/
/
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Please return 1 copy for your confirmation with your signature and comments.
APPROVED BY
SIGNATURE
DATE
REVIEWED BY
PREPARED BY
Products Engineering Dept.
LG. Display Co., Ltd
Ver. 1.0 |
Apr, 29, 2011 |
1 / 32 |
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One step solution for LCD / PDP / OLED panel application: Datasheet, inventory and accessory! www.panelook.com
Global LCD Panel Exchange Center |
www.panelook.com |
LM240WU8
Liquid Crystal Display
Product Specification
Contents
No |
ITEM |
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COVER |
1 |
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CONTENTS |
2 |
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RECORD OF REVISIONS |
3 |
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1 |
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GENERAL DESCRIPTION |
4 |
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2 |
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ABSOLUTE MAXIMUM RATINGS |
5 |
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3 |
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ELECTRICAL SPECIFICATIONS |
6 |
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1) |
ELECTRICAL CHARACTERISTICS |
6 |
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2) |
INTERFACE CONNECTIONS |
8 |
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3) |
LVDS characteristics |
11 |
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4) |
SIGNAL TIMING SPECIFICATIONS |
14 |
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5) |
SIGNAL TIMING WAVEFORMS |
15 |
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6) |
COLOR INPUT DATA REFERNECE |
16 |
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7) |
POWER SEQUENCE |
17 |
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8) |
POWER DIP CONDITION |
18 |
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4 |
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OPTICAL SPECIFICATIONS |
19 |
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5 |
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MECHANICAL CHARACTERISTICS |
25 |
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6 |
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RELIABILITY |
28 |
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7 |
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INTERNATIONAL STANDARDS |
29 |
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1) |
SAFETY |
29 |
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2) |
EMC |
29 |
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3) |
ENVIRONMENT |
27 |
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8 |
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PACKING |
30 |
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1) |
DESIGNATION OF LOT MARK |
30 |
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2) |
PACKING FORM |
30 |
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PRECAUTIONS |
31 |
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1) |
MOUNTING PRECAUTIONS |
31 |
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2) |
OPERATING PRECAUTIONS |
31 |
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3) |
ELECTROSTATIC DISCHARGE CONTROL |
32 |
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4) |
PRECAUTIONS FOR STRONG LIGHT EXPOSURE |
32 |
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5) |
STROAGE |
32 |
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6) |
HANDLING PRECAUTIONS FOR PROTECTION FILM |
32 |
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Ver. 1.0 |
Apr, 29, 2011 |
2 / 32 |
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One step solution for LCD / PDP / OLED panel application: Datasheet, inventory and accessory! www.panelook.com
Global LCD Panel Exchange Center |
www.panelook.com |
LM240WU8
Liquid Crystal Display
Product Specification
Record of revisions
Revision |
Revision Date |
Page |
Description |
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No. |
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0.0 |
Oct. 04. 2010 |
- |
Preliminary Specifications |
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0.1 |
Dec. 01. 2010 |
4 |
Updated the General Features |
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6 |
Updated the Electrical characteristics |
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8 |
Changed the CN1 pin configuration ( pin 25, 26, 27 ) |
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19 |
Updated the Optical characteristics |
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25 |
Updated the Mechanical characteristics (Weight) |
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26, 27 |
Updated the mechanical drawing |
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0.2 |
Dec. 06. 2010 |
14 |
Updated Timing Table ( Support Vertical Freq. 50hz) |
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0.3 |
Jan. 19. 2011 |
14 |
Updated Timing Table ( Support Vertical Freq. 49.5hz) |
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19 |
Updated the Optical characteristics |
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0.4 |
Jan. 28. 2011 |
4, 6 |
Updated Electrical characteristics |
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7 |
Updated LED Bar Electrical characteristics |
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19 |
Updated the Optical characteristics |
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26 |
Updated the mechanical drawing ( Add pad thickness ) |
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0.5 |
Feb. 14. 2011 |
4, 6 |
Updated Electrical characteristics |
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19 |
Updated the Optical characteristics |
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0.6 |
Mar. 31. 2011 |
14 |
Updated Timing Table ( Not fixed ) |
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0.7 |
Apr. 06. 2011 |
19 |
Updated the Optical characteristics (Color Coordinates) |
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0.8 |
Apr. 21. 2011 |
14 |
Updated Timing Table ( fixed ) |
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1.0 |
Apr. 29. 2011 |
- |
Final Specification |
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Ver. 1.0 |
Apr, 29, 2011 |
3 / 32 |
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One step solution for LCD / PDP / OLED panel application: Datasheet, inventory and accessory! www.panelook.com
Global LCD Panel Exchange Center |
www.panelook.com |
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 white 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 |
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RGB |
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Source driver circuit |
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LVDS |
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S1 |
S1920 |
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G1 |
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pair #1 |
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Timing |
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LVDS |
controller |
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TFT-LCD Panel |
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CN1 |
pair #2 |
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(30pin) |
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(1920ÝRGBÝ1200 pixels) |
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+12V |
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G1200 |
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Power circuit |
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VLCD |
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block |
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VLed (4ch) |
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Backlight assembly (W-LEDs) |
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General features |
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Active screen size |
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24.1 inches(61.13cm) diagonal (Aspect ratio 16:10) |
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Outline Dimension |
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546.4(H) x 352.0(V) x 14.5(D) mm (Typ.) |
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Pixel Pitch |
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0.270 mm x 0.270 mm |
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Pixel Format |
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1920 hor. By 1200 Vertical Pixels RGB stripes arrangement |
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Interface |
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LVDS 2Port |
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Color depth |
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16.7M colors (6bit+A-FRC) |
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Luminance, white |
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300 cd/m2 ( Center 1Point, typ) |
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Viewing Angle (CR>10) |
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R/L 178(Typ.), U/D 178(Typ.) |
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Power Consumption |
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Total 28.02 Watt (Typ.) ( 5.52Watt @VLCD, 22.5 Watt @Vled) |
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Weight |
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2,370 g (typ.) |
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Display operating mode |
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Transmissive mode, normally Black |
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Surface treatments |
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Hard coating(3H), Anti-Glare treatment of the front polarizer |
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Ver. 1.0 |
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Apr, 29, 2011 |
4 / 32 |
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One step solution for LCD / PDP / OLED panel application: Datasheet, inventory and accessory! www.panelook.com
Global LCD Panel Exchange Center |
www.panelook.com |
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 |
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Values |
Units |
Notes |
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Min |
Max |
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Power Supply Input Voltage |
VLCD |
-0.3 |
+14.0 |
Vdc |
at 25 ± 2¶C |
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Operating Temperature |
TOP |
0 |
50 |
¶C |
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Storage Temperature |
TST |
-20 |
60 |
¶C |
1, 2, 3 |
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Operating Ambient Humidity |
HOP |
10 |
90 |
%RH |
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Storage Humidity |
HST |
10 |
90 |
%RH |
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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
FIG. 2 Temperature and relative humidity
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90% |
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60% |
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Wet Bulb |
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50 |
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Temperature [ ] |
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Humidity [(%)RH] |
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40 |
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40% |
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-20 |
0 |
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Dry Bulb Temperature [ |
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Storage
Operation
Ver. 1.0 |
Apr, 29, 2011 |
5 / 32 |
|
|
|
One step solution for LCD / PDP / OLED panel application: Datasheet, inventory and accessory! www.panelook.com
Global LCD Panel Exchange Center |
www.panelook.com |
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 |
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Values |
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Unit |
Notes |
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Min |
Typ |
Max |
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MODULE : |
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Power Supply Input Voltage |
VLCD |
11.4 |
12.0 |
12.6 |
Vdc |
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Permissive Power Input Ripple |
VLCD |
- |
- |
0.4 |
V |
3 |
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Power Supply Input Current |
ILCD-MOSAIC |
391 |
460 |
529 |
mA |
1 |
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ILCD-WHITE |
553 |
650 |
748 |
mA |
2 |
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Power Consumption |
PLCD |
- |
5.52 |
6.67 |
Watt |
1 |
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Inrush current |
IRUSH |
- |
- |
3.0 |
A |
4 |
Note :
1.The specified current and power consumption are
under the VLCD=12.0V, 25 ± 2¶C,fV=60Hz condition
whereas mosaic pattern(8 x 6) is displayed and
fV is the frame frequency.
2.The current is specified at the maximum
current pattern.
3.Permissive power ripple should be measured under VCC=12.0V, 25¶C, fV (frame frequency)=Max 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 ± 20%.
FIG.3 pattern for Electrical characteristics |
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power consumption measurement |
power input ripple |
White : 255Gray |
Black : 0Gray |
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Full White Pattern |
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Mosaic Pattern(8 x 6) |
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Ver. 1.0 |
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Apr, 29, 2011 |
6 / 32 |
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One step solution for LCD / PDP / OLED panel application: Datasheet, inventory and accessory! www.panelook.com
Global LCD Panel Exchange Center |
www.panelook.com |
LM240WU8
Liquid Crystal Display
Product Specification
Table 2-2 . LED Bar ELECTRICAL CHARACTERISTICS
Parameter |
Symbol |
Condition |
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Values |
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Unit |
Notes |
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Min. |
Typ. |
Max. |
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LED : |
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1,7 |
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LED String Current |
Is |
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- |
110 |
120 |
mA |
2,7 |
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LED String Voltage |
Vs |
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46.4 |
51.2 |
56.0 |
V |
3,7 |
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Power Consumption |
PBar |
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- |
22.5 |
24.6 |
Watt |
4,6,7 |
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LED Life Time |
LED_LT |
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30,000 |
- |
- |
Hrs |
5,7 |
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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. 
1.Specified values are for a single LED bar.
2.The specified current is input LED chip 100% duty current.
3.The specified voltage is input LED string and Bar voltage at typical 110 mA 100% duty current.
4.The specified power consumption is input LED bar power consumption at typical 110 mA 100% duty current.
5.The life is determined as the time at which luminance of the LED is 50% compared to that of initial value at the
typical LED current on condition of continuous operating at 25 ± 2¶C.
6.The LED bar power consumption shown above does not include loss of external driver. The used LED bar current is the LED typical current.
Min Power Consumption is calculated with PBar = Vs(Min.) x Is(Typ.) x Nstring Max Power Consumption is calculated with PBar = Vbar(Max.) x Is(Typ) x Nstring
7. LED operating DC Forward Current must not exceed LED Max Ratings at 25 2 C
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LM240WU8
Liquid Crystal Display
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
Pin No |
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Symbol |
Description |
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Minus signal of 1st channel 0 (LVDS) |
1 |
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RXO0- |
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2 |
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RXO0+ |
Plus signal of 1st channel 0 (LVDS) |
3 |
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RXO1- |
Minus signal of 1st channel 1 (LVDS) |
4 |
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RXO1+ |
Plus signal of 1st channel 1 (LVDS) |
5 |
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RXO2- |
Minus signal of 1st channel 2 (LVDS) |
6 |
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RXO2+ |
Plus signal of 1st channel 2 (LVDS) |
7 |
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GND |
Ground |
8 |
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RXOC- |
Minus signal of 1st clock channel (LVDS) |
9 |
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RXOC+ |
Plus signal of 1st clock channel (LVDS) |
10 |
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RXO3- |
Minus signal of 1st channel 3 (LVDS) |
11 |
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RXO3+ |
Plus signal of 1st channel 3 (LVDS) |
12 |
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RXE0- |
Minus signal of 2nd channel 0 (LVDS) |
13 |
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RXE0+ |
Plus signal of 2nd channel 0 (LVDS) |
14 |
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GND |
Ground |
15 |
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RXE1- |
Minus signal of 2nd channel 1 (LVDS) |
16 |
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RXE1+ |
Plus signal of 2nd channel 1 (LVDS) |
17 |
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GND |
Ground |
18 |
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RXE2- |
Minus signal of 2nd channel 2 (LVDS) |
19 |
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RXE2+ |
Plus signal of 2nd channel 2 (LVDS) |
20 |
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RXEC- |
Minus signal of 2nd clock channel (LVDS) |
21 |
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RXEC+ |
Plus signal of 2nd clock channel (LVDS) |
22 |
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RXE3- |
Minus signal of 2nd channel 3 (LVDS) |
23 |
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RXE3+ |
Plus signal of 2nd channel 3 (LVDS) |
24 |
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GND |
Ground |
25 |
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NC |
No Connection (For LCD internal use only.) |
26 |
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NC |
No Connection (For LCD internal use only.) |
27 |
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PWM |
PWM_OUT for Wavy Noise |
28 |
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VLCD |
Power Supply (12.0V) |
29 |
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VLCD |
Power Supply (12.0V) |
30 |
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VLCD |
Power Supply (12.0V) |
First Pixel data
Second Pixel data
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LM240WU8
Liquid Crystal Display
Product Specification
FIG. 4 Connector diagram
GT103-30S-H23-D (LSM)
#1 |
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#30 |
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1’st signal pairs 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 VLCD (power input) pins should be connected together.
4.Input Level of LVDS signal is based on the IEA 664 Standard.
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Apr, 29, 2011 |
9 / 32 |
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One step solution for LCD / PDP / OLED panel application: Datasheet, inventory and accessory! www.panelook.com
Global LCD Panel Exchange Center |
www.panelook.com |
LM240WU8
Liquid Crystal Display
Product Specification
Table 4. BACKLIGHT CONNECTOR PIN CONFIGURATION(CN2)
The LED interface connector is a model 10019HR-H06B manufactured by Yeonho .
The pin configuration for the connector is shown in the table below.
Pin |
Symbol |
Description |
Notes |
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1 |
FB1 |
Channel1 Current Feedback |
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2 |
FB2 |
Channel2 Current Feedback |
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3 |
VLED |
LED Power Supply |
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4 |
VLED |
LED Power Supply |
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5 |
FB3 |
Channel3 Current Feedback |
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6 |
FB4 |
Channel4 Current Feedback |
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FIG. 5 Backlight connector diagram
Top view |
Side view |
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Insert 
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Ver. 1.0 |
|
Apr, 29, 2011 |
10 / 32 |
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One step solution for LCD / PDP / OLED panel application: Datasheet, inventory and accessory! www.panelook.com
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