LM190WX2-TLB1
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(
) Preliminary Specification
( ) Final Specification
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LM190WX2
Liquid Crystal Display
Product Specification
SPECIFICATION
FOR
APPROVAL
Title 19.0” WXGA+ TFT LCD
BUYER
MODEL
SIGNATURE DATE
/
/
DELL
SUPPLIER LG Display CO., Ltd.
*MODEL LM190WX2
SUFFIX TLB1
*When you obtain standard approval,
please use the above model name without suffix
APPROVED BY
B.C. Kim / G.Manager
REVIEWED BY
J.H. Kim / Manager [C]
Y.H. Hwang / Manager [M]
S.H. Han / Manager [O]
M.S. Kang / Manager [P]
DATE
/
Please return 1 copy for your confirmation
With your signature and comments.
Ver. 0.1 04. 03. 2012
PREPARED BY
S.H. Han / Engineer
IT Development Division 3.
LG Display Co., Ltd
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LM190WX2
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 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
Page
5 MECHANICAL CHARACTERISTICS 24
6 RELIABILITY 27
7 INTERNATIONAL STANDARDS 28
1) SAFETY
2) EMC
3)
8 PACKING 29
1) DESIGNATION OF LOT MARK 29
2) PACKING FORM 29
9PRECAUTIONS 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
Environment 28
28
28
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Revision No Date Page Description
Ver 0.0 2. 23, 2012 First Draft, Preliminary Specifications.
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LM190WX2
Liquid Crystal Display
Product Specification
Record of Revisions
Ver0.1 4.03.2012 6,7
10
19
29
Update the LCM’s electrical characteristic (logic & B/L)
Update the B/L’s CNT
Updae the Optical characteristics ( color coordinate)
Change the packing informations
( Quantity in box:8˧12pcs, Box size, etc..)
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Liquid Crystal Display
Product Specification
1. General Description
LM190WX2-TLB1 is a Color Active Matrix Liquid Crystal Display with a 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 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 subpixels 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 LM190WX2-TLA1 characteristics provide an excellent flat panel display for office automation
products such as monitors.
LM190WX2
FIG. 1 Block Diagram
RGB
Source Driver Circuit
S1 S1440
CN1
(30pin)
LVDS
pair #1
LVDS
pair #2
Timing Controller
LVDS 1 Chip
G1
TFT - LCD Panel
(1440 Ý RGB Ý 900 pixels)
G900
+5V
VLCD
Power Circuit
Block
Vled 2ch
Backlight assembly (W-LED)
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 10.2(D) mm(Typ.)
Pixel Pitch
Pixel Format 1440 horizontal By 900 vertical Pixels. RGB stripe arrangement
0.2835(H)mm x 0.2835(V)mm
Interface LVDS 2Port
Color depth 16.7M colors
2
Luminance, white 250 cd/m
( Center 1Point, Typ.)
Viewing Angle (CR>10) R/L 170(Typ.), U/D 160(Typ.)
Power Consumption
Total(10.1)Watt(Typ.), ((4.2) W@V
, (5.9) W@LED)
LCD
Weight 1400g(Typ.)
Display operating mode Transmissive mode, normally White
Surface treatments Hard coating (3H), Anti-glare treatment of the front polarizer
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The following are maximum values which, if exceeded,
may cause faulty operation or damage to the unit.
Table 1. Absolute maximum ratings
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LM190WX2
Liquid Crystal Display
Product Specification
Parameter Symbol
Values
Min Max
Power Supply Input Voltage V
Operating Temperature T
Storage Temperature T
Operating Ambient Humidity H
LCM Surface Temperature
(Operation)
Note : 1. Temperature and relative humidity range are shown in the figure below.
Wet bulb temperature should be 39 πC Max, and no condensation of water.
2. Maximum Storage Humidity is up to 40ఁ, 90% RH only for 4 corner light leakage Mura.
3. Storage condition is guaranteed under packing condition.
4. LCM Surface Temperature should be Min. 0ఁ and Max. 65ఁ under the VLCD=5.0V,
fV=60Hz, 25ఁ ambient Temperature no humidity control and LED string current is typical value.
T
Surface
LCD
OP
ST
OP
-0.3 +6.0 Vdc At 25ఁ
050πC
-20 60 πC
10 90 %RH
065
FIG. 2 Temperature and relative humidity
90%
Units Notes
1,2,3
ఁ
1,4
60
50
Wet Bulb
Temperature [ఁ]
40
30
20
10
0
10 20 30 40 50 60 70 800-20
Dry Bulb Temperature [ఁ]
Ver. 0.1 04. 03. 2012
60%
40%
10%
Storage
Operation
Humidity
[(%)RH]
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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 a LED Driver. The LED Driver is an external unit to the LCDs.
Table 2. Electrical Characteristics
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LM190WX2
Liquid Crystal Display
Product Specification
Parameter Symbol
Values
Unit Notes
Min Typ Max
MODULE :
Power Supply Input Voltage V
Permissive Power Input Ripple V
I
Power Supply Input Current
LCD-MOSAIC
I
LCD-BLACK
Power Consumption P
Inrush current I
LCD
LCD
LCD
RUSH
4.5 5.0 5.5 V
DC
- - 0.2 V 3
710 840 970 mA 1
820 970 1120 mA 2
- 4.20 4.85 Watt 1
- - 3 A 4
Note :
1. The specified current and power consumption are under the V
condition whereas mosaic pattern(8 x 6) is displayed and f
LCD=5.0V, 25 r 2¶C, f
is the frame frequency.
V
2. The current is specified at the maximum current pattern.
3. Permissive power ripple should be measured under VCC=5.0V, 25¶C, f
=75Hz condition
V
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
=60Hz
V
Power Consumption Measurement
White : 255Gray
Black : 0Gray
Mosaic Pattern(8 x 6)
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Power Input Ripple
Full Black Pattern
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Table 3. LED array ELECTRICAL CHARACTERISTICS
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LM190WX2
Liquid Crystal Display
Product Specification
Parameter Symbol Condition
Unit
Min. Typ. Max.
LED String Current Is - 75 80 mA 1,2,5
LED String Voltage Vs (36.4) (39.0) (41.6) V1,5
Values
Power Consumption P
Bar -(5.9)(6.2)Watt 1,2,4
LED Life Time LED_LT 30,000 - - Hrs 3
Notes) The LED Bar consists of 26 LED packages, 2 strings (parallel) x 13 packages (serial)
LED driver design guide
: 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.
Note
s
1. 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 = 25·2¶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
= Vs(Typ.) x Is(Typ.) x No. of strings.
Bar
= Vs(Max.) x Is(Typ.) x No. of strings.
Bar
5. LED operating conditions are must not exceed Max. ratings.
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3-2. Interface Connections
LCD Connector(CN1): GT103-30S-HF15-E2500(LSM) or IS100-L30O-C23 (UJU)
Mating connector : FI-X30H and FI-X30HL (JAE) or Equivalent
Table 4. Module Connector(CN1) Pin Configuration
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LM190WX2
Liquid Crystal Display
Product Specification
Pin No
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Symbol Description
RXO0RXO0+
RXO1RXO1+
RXO2RXO2+
GND
RXOCRXOC+
RXO3RXO3+
RXE0RXE0+
GND
RXE1RXE1+
GND
RXE2RXE2+
RXECRXEC+
RXE3RXE3+
GND
NC
NC
PWM_OUT
LCD
V
VLCD
VLCD
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)
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.)
Reference signal for burst frequency inverter control
Power Supply (5.0V)
Power Supply (5.0V)
Power Supply (5.0V)
First Pixel data
Second Pixel data
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FIG. 4 Connector Diagram
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LM190WX2
Liquid Crystal Display
Product Specification
GT103-30S-HF15-E2500 (LSM)
#1 #30
signal pairs
Notes:
Power(5V)
PWM signal
#1 #30
Rear view of LCM
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.
5. PWM_OUT is a reference signal for inverter control.
This PWM signal is synchronized with vertical frequency.
Its frequency is 3 times of vertical frequency, and its duty ratio is 50%.
If the system don’t use this pin, do not connect.
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LM190WX2
Liquid Crystal Display
Product Specification
Table 5. BACKLIGHT CONNECTOR PIN CONFIGURATION
The LED interface connector is a model SM06B-SHJS(HF), wire-locking type manufactured by JST.
The mating connector is a SHJP-06V-S(HF) or SHJP-06V-A-K(HF) and Equivalent.
The pin configuration for the connector is shown in the table below.
Pin Symbol Description
1 FB1 Channel1 Current Feedback
2NC NC
3 VLED LED Power Supply
4 VLED LED Power Supply
5NC NC
6 FB2 Channel2 Current Feedback
#1
Rear view of LCM
#6
[ Figure 5 ] Backlight connector view
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