LG Display LM195WD2-SLA1 Specification
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) Preliminary Specification
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LM195WD2
Liquid Crystal Display
Product Specification
SPECIFICATION
FOR
APPROVAL
Title 19.5” HD+ TFT LCD
BUYER
MODEL
APPROVED BY
/
/
SIGNATUR
E DATE
SUPPLIER LG Display Co., Ltd.
*MODEL LM195WD2
SUFFIX SLA1
*When you obtain standard approval,
please use the above model name without suffix
APPROVED BY
B. C. Kim / G. Manager
REVIEWED BY
S. H . Kim /Manager [C]
Y. H. Hwang /Manager [M]
SIGNATUR
E DATE
M. S. Kang /Manager [P]
/
Please return 1 copy for your confirmation
with your signature and comments.
Ver. 0.0 Dec. 21. 2012
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REPARED BY
T. K. Kim / Engineer
IT/Mobile Development Division 1
LG Display Co. Ltd
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LM195WD2
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 8
3) LVDS characteristics 11
4) SIGNAL TIMING SPECIFICATIONS 14
5) SIGNAL TIMING WAVEFORMS 15
6) COLOR INPUT DATA REFERNECE 16
7) POWER SEQUENCE 18
8) POWER DIP CONDITION 19
Page
4 OPTICAL SFECIFICATIONS 19
5 MECHANICAL CHARACTERISTICS 25
6 RELIABILITY 28
7 INTERNATIONAL STANDARDS 29
1) SAFETY 29
2) EMC 29
3) ENVIRONMENT 29
8 PACKING 30
1) DESIGNATION OF LOT MARK 30
2) PACKING FORM 30
9 PRECAUTIONS 31
1) MOUNTING PRECAUTIONS 31
2) OPERATING PRECAUTIONS 31
3) ELECTROSTATIC DISCHARGE CONTROL 32
4) PRECAUTIONS FOR STRONG LIGHT EXPOSURE 32
5) STROAGE 32
6) HANDLING PRECAUTIONS FOR PROTECTION FILM 32
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LM195WD2
Liquid Crystal Display
Product Specification
Record of revisions
Revision
No
0.0 Dec. 21. 2012 - First Draft (Preliminary)
Revision
Date
Page Description
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LM195WD2
Liquid Crystal Display
Product Specification
1. General description
LM195WD2-SLA1 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 black mode. It has a 19.5 inch diagonally
measured active display area with HD+ resolution (900 vertical by 1600 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 LM195WD2-SLA1 characteristics
provide an excellent flat panel display for office automation products such as monitors.
FIG. 1 Block diagram
LVDS
pair #1
LVDS
pair #2
CN1
+5V
V
Power circuit
LCD
General features
Active screen size
Outline Dimension
Pixel Pitch
RGB
S1
G1
Timing
controller
(1600RGB900 pixels)
G900
block
VLED 2ch
Backlight assembly (White LED)
19.5 inches (494.11mm) diagonal
452.0(H) x 263.0(V) x 10.5(D) mm(Typ.)
0.2712*RGB(H)mm x 0.2626(V)mm
Source driver circuit
S1600
TFT-LCD Panel
Pixel Format 1600 horizontal By 900 vertical Pixels. RGB stripe arrangement
Interface LVDS 2Port
Color depth 16.7M colors
2
Luminance, white 250 cd/m
(Center 1Point, typ)
Viewing Angle (CR>10) R/L 178(Typ.), U/D 178(Typ.)
Power Consumption
Total TBD W(Typ.), (TBD W@V
, TBD W@IBL= 120 mA)
LCD
Weight TBD g (Typ.)
Display operating mode Transmissive mode, normally Black
Surface treatments
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Hard coating (3H), Anti-glare treatment of the front polarizer
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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
LM195WD2
Liquid Crystal Display
Parameter Symbol
Units Notes
Min Max
Values
Power Supply Input Voltage
Operating Temperature
Storage Temperature
Operating Ambient Humidity
Storage Humidity
LCM Surface Temperature
(Operation)
V
LCD
T
T
H
H
T
Surface
OP
ST
OP
ST
-0.3 +6.0 Vdc At 25ഒ
0 50 rC
-20 60 rC
10 90 %RH
10 90 %RH
0 65 ഒ 1, 4
Note : 1. Temperature and relative humidity range are shown in the figure below.
Wet bulb temperature should be 39 rC Max, and no condensation of water.
2. Maximum Storage Humidity is up to 40ഒ, 90% RH only for 4 corner light leakage Mura.
3. Storage condition is guaranteed under packing condition.
4. LCM Surface Temperature should be Min. 0ഒ and Max. 65ഒ under the VLCD=5.0V,
fV=60Hz, 25ഒ ambient Temp. no humidity control and LED string current is typical value.
FIG. 2 Temperature and relative humidity
1,2,3
Wet Bulb
Temperature [ഒ]
20
10
0
10 20 30 40 50 60 70 800-20
Dry Bulb Temperature [ഒ]
30
40
50
60
90%
60%
40%
10%
Storage
Operation
Humidity
[(%)RH]
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LM195WD2
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. Electrical characteristics
Parameter Symbol
Unit Notes
Min Typ Max
MODULE :
Values
Power Supply Input Voltage
Permissive Power Input Ripple
Power Supply Input Current
Power Consumption
Inrush current
V
LCD
V
LCD
I
LCD-MOSAIC
I
LCD-white
I
LCD-L80
P
LCD
I
RUSH
4.5 5.0 5.5 Vdc
- - 0.4 V 2
- TBD TBD mA 1,3
- TBD TBD mA 1,4
- TBD TBD mA 1
- TBD TBD Watt 1,3
- - 3.0 A 1,5
Note :
1. The specified characteristics perform under the V
f
is the frame frequency.
V
2. Permissive Power Ripple should be measured under V
f
=75Hz condition and At that time,
V
LCD=5.0V, 25 r 2rC, f
LCD=5.0V, 25 r 2rC,
=60Hz condition.
V
we recommend the bandwidth configuration of oscilloscope is to be under 20MHz. (See FIG.3)
3. Mosaic pattern(8 x 6) is displayed.
4. Input current is specified at the maximum current pattern.
5. The duration of Inrush current is about 5ms and rising time of power Input is 500us r 20%.
FIG.3 pattern for Electrical characteristics
power consumption
power input ripple
White : 255Gray
Black : 0Gray
Mosaic Pattern(8 x 6)
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Full White Pattern
Energy star 5.0
White : 255Gray (80%)
Black : 0Gray (20%)
L80 Pattern
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Product Specification
Table 3. LED array ELECTRICAL CHARACTERISTICS
LM195WD2
Liquid Crystal Display
Parameter Symbol Condition
Values
Unit
Note
Min. Typ. Max.
LED String Current Is - 120 125 mA 1,2,5
LED String Voltage Vs TBD (37.2) TBD V 1,5
Power
PBar
- (8.9) TBD Watt 1,2,4
Consumption
LED Life Time LED_LT 30,000 - - Hrs 3
Notes) The LED Bar consists of 24 LED packages, 2 strings (parallel) x 12 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.
s
Notes :
1. The 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 r 2rC 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
Bar = Vs(Typ.) x Is(Typ.) x No. of strings.
Bar = Vs(Max.) x Is(Typ.) x No. of strings.
5. LED operating conditions must not exceed Max. ratings.
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Product Specification
3-2. Interface connections
3-2-1. LCD Module
LCD connector(CN1) : GT103-30S-HF15-E2500 (LSM) , UJU(IS100-L30O-C23)
Mating connector : FI-X30H and FI-X30HL (JAE) or Equivalent
Table 4. Module connector(CN1) pin configuration
LM195WD2
Liquid Crystal Display
Pin No
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Symbol Description
RXO0-
RXO0+
RXO1-
RXO1+
RXO2-
RXO2+
GND
RXOC-
RXOC+
RXO3-
RXO3+
RXE0-
RXE0+
GND
RXE1-
RXE1+
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(AGP)
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)
17
18
19
20
21
22
23
24
25
26
27
28
29
30
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GND
RXE2-
RXE2+
RXEC-
RXEC+
RXE3-
RXE3+
GND
NC
NC
PWM_OUT
VLCD
VLCD
VLCD
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 inverter control
Power Supply (5.0V)
Power Supply (5.0V)
Power Supply (5.0V)
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FIG. 4 Connector diagram
#1 #30
1’st signal pairs
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Product Specification
IS100-L300-C23(UJU)
#
1
2’nd signal pairs
LM195WD2
Liquid Crystal Display
#30
Note:
Power(+5V)
PWM_OUT
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 5 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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LM195WD2
Liquid Crystal Display
Product Specification
3-2-2. LED Interface
The LED interface connector is a model GT108-6P-H26-E3500, wire-locking type manufactured by LSM.
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.
Table 5. BACKLIGHT CONNECTOR PIN CONFIGURATION(CN2)
Pin Symbol Description Notes
1 FB1 Channel1 Current Feedback
2 NC No connection
3 VLED LED Power Supply
4 VLED LED Power Supply
5 NC No connection
6 FB2 Channel2 Current Feedback
FIG. 5 Backlight connector view
#1
Rear view of LCM
#6
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