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LM190E03
Liquid Crystal Display
Product Specification
SPECIFICATION
FOR
APPROVAL
( ) Preliminary Specification
( ) Final Specification
Title 19.0" SXGA TFT LCD
BUYER LGE DID SUPPLIER LG.Philips LCD CO., Ltd.
MODEL *MODEL LM190E03
SUFFIX A4
*When you obtain standard approval,
please use the above model name without suffix
SIGNATURE DATE APPROVED BY DATE
/ G.T. Kim / G.Manager
REVIEWED BY
/ B.C. Song / Manager
PREPARED BY
/ K.H. Hwang / Engineer
Please return 1 copy for your confirmation Product Engineering Dept.
With your signature and comments. LG. Philips LCD Co., Ltd
Ver. 2.0 JUNE. 24, 2004 1 / 30
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LM190E03
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) SIGNAL TIMING SPECIFICATIONS 13
4) SIGNAL TIMING WAVEFORMS 14
5) COLOR INPUT DATA REFERNECE 15
6) POWER SEQUENCE 16
7) POWER DIP CONDITION 17
4 OPTICAL SFECIFICATIONS 18
5 MECHANICAL CHARACTERISTICS 22
6 RELIABILITY 25
7 INTERNATIONAL STANDARDS 26
1) SAFETY 26
2) EMC 26
8 PACKING 27
1) DESIGNATION OF LOT MARK 27
2) PACKING FORM 28
9 PRECAUTIONS 29
1) MOUNTING PRECAUTIONS 29
2) OPERATING PRECAUTIONS 29
3) ELECTROSTATIC DISCHARGE CONTROL 30
4) PRECAUTIONS FOR STRONG LIGHT EXPOSURE 30
5) STROAGE 30
6) HANDLING PRECAUTIONS FOR PROTECTION FILM 30
Ver. 2.0 JUNE. 24, 2004 2 / 30
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LM190E03
Liquid Crystal Display
Product Specification
RECORD OF REVISIONS
Revision No Date Page Description
Ver 2.0 JUNE.24, 2004 Final Specification
Ver. 2.0 JUNE. 24, 2004 3 / 30
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LM190E03
Liquid Crystal Display
Product Specification
1. General Description
LM190E03-A4 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 SXGA resolution (1024 vertical by 1280 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, a palette of more than 16,2M
colors with 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 LM190E03-A4 characteristics provide an excellent flat panel display for office automation products
such as monitors.
RGB
FIG. 1 Block diagram
Source Driver Circuit
S1 S1280
LVDS G1
Gate Driver Circuit
pair #1
CN1 Timing Controller
(30pin)
LVDS
LVDS 1 Chip
pair #2 TFT - LCD Panel
(1280 RGB 1024 pixels)
G1024
+5V Power Circuit
VLCD Block
CN2, 3 (2pin)
Back light Assembly (4CCFL)
CN4, 5 (2pin)
General Features
Active screen size 19.0 inches (481.9mm) diagonal
Outline Dimension 404.2(H) x 330.0(V) x 20.0(D) mm(Typ.)
Pixel Pitch 0.098*RGB(H)mm x 0.294(V)mm
Pixel Format 1280 horizontal By 1024 vertical Pixels. RGB stripe arrangement
Interface LVDS 2Port
Color depth 16.2M colors
Luminance, white 400 cd/m2 ( Center 1Point, typ)
Viewing Angle (CR>10) Viewing Angle Free [ R/L 140(Typ.), U/D 140(Typ.) ]
Power Consumption Total 22.93Watt(Typ.), (2.45Watt @VLCD, 20.48 @[Lamp=8.0mA])
Weight 2500g (Typ.)
Display operating mode Transmissive mode, normally White
Surface treatments Hard coating (3H), Anti-glare treatment of the front polarizer
Ver. 2.0 JUNE. 24, 2004 4 / 30
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LM190E03
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 +5.5 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. 2.0 JUNE. 24, 2004 5 / 30
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LM190E03
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
- 490 570 mA 1
Power Supply Input Current ILCD
- 600 690 mA 2
Power Consumption PLCD - 2.45 2.85 Watt 1
Inrush current IRUSH - - 3.0 A 3
Note :
1. The specified current and power consumption are
under the VLCD=5.0V, 25 r 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. The duration of rush current is about 2ms and rising time of power Input is 500us r 20%.
FIG.3 Mosaic pattern for power consumption measurement
White : 255Gray
Black : 0Gray
Mosaic Pattern(8 x 6)
Ver. 2.0 JUNE. 24, 2004 6 / 30
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LM190E03
Liquid Crystal Display
Product Specification
Table 3. ELECTRICAL CHARACTERISTICS
Sym Values
Parameter Unit Notes
bol Min Typ Max
LAMP :
Operating Voltage VBL 625(8.5mA) 640(8.0mA) 790(3.0mA) VRMS 1, 2
Operating Current IBL 3.0 8.0 8.5 mARMS 1
Established Starting Voltage Vs 1, 3
at 25 C 1100 VRMS
at 0 C 1400 VRMS
Operating Frequency fBL 40 - 70 kHz 4
Discharge Stabilization Time TS - - 3 Min 1, 5
Power Consumption PBL 20.48 22.53 Watt 6
Life Time 40,000 - Hrs 1, 7
Note :
The design of the inverter must have specifications for the lamp in LCD Assembly.
The performance of the Lamp in LCM, for example life time or brightness, is extremely influenced
by the characteristics of the DC-AC inverter. So all the parameters of an inverter should be carefully
designed so as not to produce too much leakage current from high-voltage output of the inverter.
When you design or order the inverter, please make sure unwanted lighting caused by the mismatch of
the lamp and the inverter (no lighting, flicker, etc) never occurs. When you confirm it, the LCD