LG Display LM230WF8-TLA2 Specification
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) Preliminary Specification
(
( ) Final Specification
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LM230WF8
Liquid Crystal Display
Product Specification
SPECIFICATION
FOR
APPROVAL
Title 23” Full HD TFT LCD
BUYER General
MODEL
APPROVED BY
/
/
SIGNATURE
DATE
SUPPLIER LG Display Co., Ltd.
*MODEL LM230WF8
SUFFIX TLA2
*When you obtain standard approval,
please use the above model name without suffix
APPROVED BY
J.H Park / G.Manager
REVIEWED BY
H.Y Kim / Manager
PREPARED BY
SIGNATURE
DATE
/
Please return 1 copy for your confirmation with
your signature and comments.
Ver. 0.1 Apr. 25. 2011 1 / 32
S.W Yoo / Engineer
MNT Products Engineering Dept.
LG Display Co., Ltd
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LM230WF8
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 17
8) POWER DIP CONDITION 18
4 OPTICAL SPECIFICATIONS 19
Page
5 MECHANICAL CHARACTERISTICS 25
6 RELIABILITY 28
7 INTERNATIONAL STANDARDS 29
1) SAFETY 29
2) EMC 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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Revision No Description Date Page
Ver. 0.1 Apr. 25, 2011 - First Draft, Preliminary Specifications.
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LM230WF8
Liquid Crystal Display
Product Specification
Record of revisions
Ver. 0.1 Apr. 25. 2011 3 / 32
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1. General description
LM230WF8-TLA2 is a Color Active Matrix Liquid Crystal Display 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 23 inch diagonally measured active
display area with FHD resolution (1080 vertical by 1920 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 LM230WF8-TLA2 characteristics provide an excellent flat panel display for office automation
products such as monitors.
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LM230WF8
Liquid Crystal Display
Product Specification
FIG. 1 Block diagram
LVDS
pair #1
LVDS
pair #2
CN1
(30pin)
+5V
VLCD
Timing
controller
Power circuit
block
FB 4ch
RGB
Source driver circuit
S1
G1
TFT-LCD Panel
(1920ÝRGBÝ1080 pixels)
G1080
Backlight assembly (Single LED Bar)
S1920
General features
Active screen size 23 inches(58.42cm) diagonal(Aspect ratio 16:9)
Outline Dimension 533.2(H) x 312.0(V) x 10.7(D) mm (Typ.)
Pixel Pitch 0.265mm x 0.265mm
Pixel Format 1920 horizontal By 1080 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 170(Typ.), U/D 160(Typ.)
3D Viewing Angle(3DCT<10) R/L 40/40 (Typ.), U/D 12 (Typ.)
Power Consumption
Total 27.12 W (Typ.), ( 6.0 W@V
, 21.12 W@W/O_Driver)
LCD
Weight 1,700 g (Typ.)
Display operating mode Transmissive mode, normally White
Surface treatments Anti Glare
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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
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LM230WF8
Liquid Crystal Display
Product Specification
Parameter Symbol
Units Notes
Min Max
Values
Power Supply Input Voltage V
Operating Temperature T
Storage Temperature T
Operating Ambient Humidity H
Storage Humidity H
LCD
OP
ST
OP
ST
-0.3 +6.0 Vdc
0 50
-20 60
¶C
¶C
10 90 %RH
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.
2. Maximum Storage Humidity is up to 40, 70% RH only for 4 corner light leakage Mura.
3. Storage condition is guaranteed under packing condition.
FIG. 2 Temperature and relative humidity
90%
60
60%
Wet Bulb
Temperature []
20
10
0
30
50
40
40%
Humidity [(%)RH]
10%
Storage
Operation
At 25
1,2,3
10 20 30 40 50 60 70 800 -20
Dry Bulb Temperature []
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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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LM230WF8
Liquid Crystal Display
Product Specification
Parameter Symbol
Values
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
LCD-BLACK
Inrush current I
LCD
LCD
P
LCD
RUSH
4.5 5.0 5.5
- - 0.4
- 1200 1350
- 1400 1600
- 6.0 6.90
- 7.0 8.0
- - 3.5
Note :
1. The specified current and power consumption are
under the V
LCD=5.0V, 25 r 2¶C,f
whereas mosaic pattern(8 x 6) is displayed and f
=60Hz condition
V
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
(frame frequency)=75Hz
V
condition 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
Unit Notes
Vdc
V 3
mA 1
mA 2
Watt
1
Watt
A 3
power consumption measurement
power input ripple
White : 255Gray
Black : 0Gray
Mosaic Pattern(8 x 6)
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Full Black Pattern
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Table 3. LED bar Electrical characteristics
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LM230WF8
Liquid Crystal Display
Product Specification
Parameter Symbol Condition
LED : 1,7
LED String Current Is - 110 120 mA 2,7
LED String Voltage Vs 45 48 51 V 3,7
Power Consumption
LED Life Time LED_LT 30,000 - - Hrs 5,7
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.
PBar 19.80 21.12 22.44 Watt 4,6,7
Min. Typ. Max.
Values
Unit Notes
1. Specified values are for a single LED bar.
2. The specified current is input LED chip 100% duty current.
3. The specified voltage is input LED string and Bar voltage at typical 110 mA 100% duty current.
4. The specified power consumption is input LED bar power consumption at typical 110 mA 100% duty current.
5. The life is determined as the time at which luminance of the LED is 50% compared to that of initial
value at the typical LED current on condition of continuous operating at 25 r 2¶C.
6. The LED bar power consumption shown above does not include loss of external driver.
The used LED bar current is the LED typical current.
Min Power Consumption is calculated with PBar = Vs(Min.) x Is(Typ.) x Nstring
Max Power Consumption is calculated with PBar = Vbar(Max.) x Is(Typ) x Nstring
7. LED operating DC Forward Current and Junction Temperature must not exceed LED Max Ratings at 25 r 2¶C.
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3-2. Interface connections
LCD connector(CN1) : IS100-L30O-C23(UJU), GT103-30S-H15 (LSM)
Mating connector : FI-X30H and FI-X30HL (JAE) or Equivalent
Table 4. Module connector(CN1) pin configuration
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LM230WF8
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
RXO0 RXO0+
RXO1-
RXO1+
RXO2 RXO2+
GND
RXOC RXOC+
RXO3 RXO3+
RXE0 RXE0+
GND
RXE1 RXE1+
GND
RXE2 RXE2+
RXEC RXEC+
RXE3 RXE3+
GND
NC
NC
NC
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.)
No Connection (For LCD internal use only.)
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
1’st signal pairs
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LM230WF8
Liquid Crystal Display
Product Specification
IS100-L30O-C23(UJU)
#
1
#1 #30
2’nd signal pairs
CN1
#30
Power(+5V)
Rear view of LCM
Note:
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.
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The LED interface connector is a model 10019HR-H06B manufactured by YEONHO.
The pin configuration for the connector is shown in the table below.
Table 5. LED connector pin configuration
Pin Symbol Description Notes
1 FB1 Channel1 Current Feedback
2 FB2 Channel2 Current Feedback
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LM230WF8
Liquid Crystal Display
Product Specification
3 VLED LED Power Supply
4 VLED LED Power Supply
5 FB3 Channel3 Current Feedback
6 FB4 Channel4 Current Feedback
FIG. 5 Backlight connector view
Insert
1
6
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