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LM185WH2
Liquid Crystal Display
Product Specification
SPECIFICATION
FOR
APPROVAL
( ) Preliminary Specification
( ) Final Specification
Title 18.5" HD TFT LCD
BUYER FTS SUPPLIER LG Display Co., Ltd.
MODEL *MODEL LM185WH2
SUFFIX TLA1
*When you obtain standard approval,
please use the above model name without suffix
SIGNATURE DATE APPROVED BY DATE
S.G. Hong / G.Manager
/
REVIEWED BY
S.U. Byun / Manager [C]
/ Y.H. Hwang / Manager [M]
H.S. Lee / Manager [P]
PREPARED BY
/
D.K. Heo / Engineer
Please return 1 copy for your confirmation Product Engineering Dept.
With your signature and comments. LG Display Co., Ltd
Ver. 1.0 JUN., 21, 2010 1 / 31
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LM185WH2
Liquid Crystal Display
Product Specification
Contents
No ITEM Page
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
4 OPTICAL SFECIFICATIONS 19
5 MECHANICAL CHARACTERISTICS 24
6 RELIABILITY 27
7 INTERNATIONAL STANDARDS 28
1) SAFETY 28
2) EMC 28
8 PACKING 29
1) DESIGNATION OF LOT MARK 29
2) PACKING FORM 29
9 PRECAUTIONS 30
1) MOUNTING PRECAUTIONS 30
2) OPERATING PRECAUTIONS 30
3) ELECTROSTATIC DISCHARGE CONTROL 31
4) PRECAUTIONS FOR STRONG LIGHT EXPOSURE 31
5) STROAGE 31
6) HANDLING PRECAUTIONS FOR PROTECTION FILM 31
Ver. 1.0 JUN., 21, 2010 2 / 31
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LM185WH2
Liquid Crystal Display
Product Specification
Record of revisions
Revision No Date Page Description
Ver 0.0 OCT.,22,2009 Preliminary Specifications
Ver 0.1 JAN.,26,2010 4 - Changed Power Consumption
Before : Total 13.29W(Typ.), 9.79W@IBL=60mA
After : Total 12.72(Typ.), 9.22W@IBL=60mA
7 - Changed LED Bar Electrical Characteristics
Before After
Parameter Typ. Typ.
LED String Voltage 54.4 51.2
Power Consumption 9.79 9.22
Ver 0.2 MAR.,31,2010 5 - Add Notes 2
2. Storage condition is guaranteed under packing
condition.
Ver 0.3 APR.,28,2010 4 - Changed Electrical Characteristics
6
Before After
Symbol Typ. Max. Typ. Max..
ILCD-MOSAIC 700 810 720 940
ILCD-BLACK 880 1015 900 1170
PLCD 3.50 4.05 3.60 4.70
7 - Delete LED Junction Temperature
Ver 0.4 JUN.,19,2010 6 - Changed Maximum Permissive Power Input Ripple
0.2V 0.35V
23 - Add Notes 9
9. TCO Display 5.0 Compliance
Ver 1.0 JUN.,21,2010 Final Specifications
Ver. 1.0 JUN., 21, 2010 3 / 31
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LM185WH2
Liquid Crystal Display
Product Specification
1. General description
LM185WH2-TLA1 is a Color Active Matrix Liquid Crystal Display with a Light Emitting Diode
( White LED) backlight system without LED Driver. 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 18.5 inch diagonally measured active display area with HD resolution (768 vertical by
1366 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 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 sub-pixels, the LM185WH2-TLA1 characteristics provide an excellent
flat panel display for office automation products such as monitors.
RGB
FIG. 1 Block diagram
Source driver circuit
S1 S1366
G1
LVDS Timing
pair #1 controller
TFT-LCD Panel
CN1
(1366 RGB 768 pixels)
+5V Power circuit G768
VLCD block
Backlight assembly (White LED)
Vled 3ch
General features
Active screen size 18.51 inches (470.1mm) diagonal
Outline Dimension 430.4(H) x 254.6(V) x 9.7(D) mm(Typ.)
Pixel Pitch 0.10*RGB(H)mm x 0.30(V)mm
Pixel Format 1366 horizontal By 768 vertical Pixels. RGB stripe arrangement
Interface LVDS 1Port
Color depth 16.7M colors
Luminance, white 250 cd/m2 ( Center 1Point, typ)
Viewing Angle (CR>10) R/L 170(Typ.), U/D 160(Typ.)
Power Consumption Total 12.82W(Typ.), (3.60 W@VLCD , 9.22W@IBL = 60 mA)
Weight 1,000g (Typ.)
Display operating mode Transmissive mode, Normally White
Surface treatments Hard coating(3H), Anti-glare treatment of the front polarizer
Color Gamut 68% CIE1931
Ver. 1.0 JUN., 21, 2010 4 / 31
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LM185WH2
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
Values
Parameter Symbol Units Notes
Min Max
Power Supply Input Voltage VLCD -0.3 +6.0 Vdc At 25
Operating Temperature TOP 0 50 C
Storage Temperature TST -20 60 C
1, 2
Operating Ambient Humidity HOP 10 90 %RH
Storage Humidity HST 10 90 %RH
Notes : 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. Storage condition is guaranteed under packing condition.
FIG. 2 Temperature and relative humidity
90%
60
60%
50 Storage
Wet Bulb
Temperature [ ]
Humidity
[(%)RH]
40
40%
Operation
30
20
10
0
10%
-20 0 10 20 30 40 50 60 70 80
Dry Bulb Temperature [ ]
Ver. 1.0 JUN., 21, 2010 5 / 31
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LM185WH2
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/Backlight, is typically
generated by an inverter. The inverter is an external unit to the LCDs.
Table 2. Electrical characteristics
Values
Parameter Symbol Unit Notes
Min Typ Max
MODULE :
Power Supply Input Voltage VLCD 4.5 5.0 5.5 Vdc
Permissive Power Input Ripple VLCD - - 0.35 V 3
ILCD-MOSAIC - 720 940 mA 1
Power Supply Input Current
ILCD-BLACK - 900 1170 mA 2
Power Consumption PLCD - 3.60 4.70 Watt 1
Inrush current IRUSH - - 3.0 A 4
Notes :
1. The specified current and power consumption are
under the VLCD=5.0V, 25