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LM190WX1
Liquid Crystal Display
Product Specification
SPECIFICATION
FOR
APPROVAL
( ) Preliminary Specification
( ) Final Specification
Title 19.0" WXGA+ TFT LCD
BUYER HP(INNOLUX) SUPPLIER LG Display CO., Ltd.
MODEL *MODEL LM190WX1
SUFFIX TLJ1
*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.J. So / Manager [C]
/ S.Y. An / Manager [M]
H.S. Lee / Manager [P]
PREPARED BY
/
J.S. Choi / Engineer
Please return 1 copy for your confirmation Product Engineering Dept.
With your signature and comments. LG Display Co., Ltd
Ver. 1.0 Oct. 09, 2008 1 / 31
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LM190WX1
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 9
3) LVDS INPUT CHARACTERISTICS 12
4) SIGNAL TIMING SPECIFICATIONS 15
5) SIGNAL TIMING WAVEFORMS 16
6) COLOR INPUT DATA REFERNECE 17
7) POWER SEQUENCE 18
8) POWER DIP CONDITION 19
4 OPTICAL SFECIFICATIONS 20
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 Oct. 09, 2008 2 / 31
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LM190WX1
Liquid Crystal Display
Product Specification
Record of Revisions
Revision No Date Page Description
Ver 0.0 Apr. 29, 2008 First Draft, Preliminary Specifications.
Ver.0.1 Jul.28, 2008 4, 6 Fixed the Power Consumption.
18 Change the Interface Signal(Tx) Waveform.
26 Change the Cover Shield. (Remove the C/S Hole.)
20 Change the Color Coordinates (Gy : 611 608)
12 Delete the FDEV and FMOD Specification.
13 Delete the Spread Spectrum figure.
18 Change the Power Sequence T3 (Min. : 500 200)
Ver.1.0 Oct. 09, 2008 Final Specifications.
Ver. 1.0 Oct. 09, 2008 3 / 31
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LM190WX1
Liquid Crystal Display
Product Specification
1. General Description
LM190WX1-TLJ1 is a Color Active Matrix Liquid Crystal Display with an integral Cold Cathode Fluorescent
Lamp(CCFL) 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 19.0 inch diagonally measured active
display area with WXGA+ resolution (900 vertical by 1440 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 sub-pixels, the LM190WX1-TLJ1 characteristics provide an excellent flat panel display for office automation
products such as monitors.
RGB
FIG. 1 Block Diagram
Source Driver Circuit
S1 S1440
LVDS G1
pair #1
CN1 Timing Controller
(30pin)
LVDS
LVDS 1 Chip
pair #2 TFT - LCD Panel
(1440 RGB 900 pixels)
G900
+5V Power Circuit
VLCD Block
VLamp CN2, 3 (2pin)
Back light Assembly (4CCFL)
VLamp CN4, 5 (2pin)
General Features
Active screen size 18.95 inches (481.33mm) diagonal (Aspect ratio 16:10)
Outline Dimension 428.0(H) x 278.0(V) x 16.5(D) mm(Typ.)
Pixel Pitch 0.2835(H)mm x 0.2835(V)mm
Pixel Format 1440 horizontal By 900 vertical Pixels. RGB stripe arrangement
Interface LVDS 2Port
Color depth 16.7M colors
Luminance, white 300 cd/m2 ( Center 1Point, Typ.)
Viewing Angle (CR>10) R/L 170(Typ.), U/D 160(Typ.)
Power Consumption Total 23.12 Watt(Typ.), (3.6 W@VLCD , 19.52 W@[Lamp=6.5mA])
Weight 1,720g(Typ.)
Display operating mode Transmissive mode, normally White
Surface treatments Hard coating (2H), Glare treatment of the front polarizer
Ver. 1.0 Oct. 09, 2008 4 / 31
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LM190WX1
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
Operating Ambient Humidity HOP 10 90 %RH
Storage Humidity HST 10 90 %RH
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.
FIG. 2 Temperature and Relative Humidity
90%
60
60%
50 Storage
Wet Bulb
Temperature [C]
Humidity
[(%)RH]
40
40%
Operation
30
20
10
0
10%
-20 0 10 20 30 40 50 60 70 80
Dry Bulb Temperature [C]
Ver. 1.0 Oct. 09, 2008 5 / 31
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LM190WX1
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 - - 0.2 V 3
ILCD-MOSAIC - 720 828 mA 1
Power Supply Input Current
ILCD-BLACK - 830 955 mA 2
Power Consumption PLCD - 3.6 4.14 Watt 1
Inrush current IRUSH - - 3.0 A 4
Note :
1. The specified current and power consumption are under the VLCD=5.0V, 25