LG Display LM230WF5-TLF4 Specification
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( ) Preliminary Specification
(
) Final Specification
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LM230WF5
Liquid Crystal Display
Product Specification
SPECIFICATION
FOR
APPROVAL
Title 23” Full HD TFT LCD
BUYER DELL
MODEL
SIGNATURE DATE
/
/
SUPPLIER LG Display Co., Ltd.
*MODEL LM230WF5
SUFFIX TLF4
*When you obtain standard approval,
please use the above model name without suffix
APPROVED BY
K.G. PARK / G.Manager
REVIEWED BY
S.J. MOON / Manager [C]
J.I. PARK / Manager [M]
T.H. SHIN / Manager [P]
DATE
/
Please return 1 copy for your confirmation
With your signature and comments.
Ver. 1.0 Feb. 14, 2012 1/30
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PREPARED BY
S.W. Park / Engineer
Product Engineering Dept.
LG Display Co., Ltd
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LM230WF5
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 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
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LM230WF5
Liquid Crystal Display
Product Specification
Record of revisions
Revision No
Ver 1.0 Feb. 14, 2012
Date Page
Description
Final Specification
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1. General description
LM230WF5-TLF4 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 LM230WF5-TLF4 characteristics provide an excellent flat panel display for office automation
products such as monitors.
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LM230WF5
Liquid Crystal Display
Product Specification
FIG. 1 Block diagram
LVDS
pair #1
LVDS
pair #2
CN1
(30pin)
+5V
VLCD
Timing
controller
Power circuit
block
RGB
FB 2ch
Source driver circuit
S1
G1
TFT-LCD Panel
(1920RGB1080 pixels)
G1080
Backlight assembly (White LED)
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 10.2(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
Luminance, white 250 cd/m
2
( Center 1Point, typ)
Viewing Angle (CR>10) R/L 170(Typ.), U/D 160(Typ.)
Power Consumption
Total 15.8 W (Typ.), ( 4.5 W@V
, 11.3 W@W/O_Driver)
LCD
Weight 1980 g (Typ.)
Display operating mode Transmissive mode, normally White
Surface treatments Hard coating (3H), Anti-glare treatment of the front polarizer
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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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LM230WF5
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
Storage Humidity
LCM Surface Temperature
(Operation)
T
LCD
OP
ST
OP
ST
Surface
-0.3 +6.0 Vdc At 25
0 50 C
-20 60 C
10 90 %RH
0 65
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, 90% RH only for 4 corner light leakage Mura.
3. Storage condition is guaranteed under packing condition.
4. LCM Surface Temperature should be Min. 0 and Max. 65 under the VLCD=5.0V,
fV=60Hz, 25 ambient Temperature no humidity control and LED string current is typical value.
FIG. 2 Temperature and relative humidity
90%
Units Notes
1,2,3
%RH9010H
1,4
60
60%
Wet Bulb
Temperature []
30
20
10
0
10 20 30 40 50 60 70 800-20
Dry Bulb Temperature []
Ver. 1.0 Feb. 14, 2012 5/30
50
40
40%
Humidity [(%)RH]
10%
Storage
Operation
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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 an inverter. The LED
driver is an external unit to the LCDs.
Table 2. Electrical characteristics
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LM230WF5
Liquid Crystal Display
Product Specification
Parameter Symbol
Values
Min Typ Max
MODULE :
Power Supply Input Voltage V
Permissive Power Input Ripple V
I
LCD-MOSAIC
Power Supply Input Current
I
LCD-BLACK
I
LCD-L80
Power Consumption P
Inrush current I
LCD
LCD
LCD
RUSH
4.5 5.0 5.5 Vdc
- - 0.6 V 3
- 900 1130 mA 1
- 1080 1350 mA 2
- 880 1100 mA 2
- 4.50 5.65 Watt 1
- - 3.5 A 4
Note :
1. The specified current and power consumption are
under the V
whereas mosaic pattern(8 x 6) is displayed and f
LCD=5.0V, 25 ± 2C,f
=60Hz condition
V
is the frame frequency.
V
2. The current is specified at the maximum current pattern and L80
3. Permissive power ripple should be measured under VCC=5.0V, 25C, 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 5ms and rising time of power Input is 500us ± 20%.
Unit Notes
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 Black Pattern
Energy star 5.0
White : 255Gray (80%)
Black : 0Gray (20%)
L80 Pattern
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Table 3. LED bar Electrical characteristics
Parameter Symbol
LED String Current Is - 120 125 mA 1, 2, 5
LED String Voltage Vs 44.3 47.3 50.3 V 1, 5
Power Consumption PBar - 11.3 12.1 Watt 1, 2, 4
LED Life Time LED_LT 30,000 - - Hrs 3
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LM230WF5
Liquid Crystal Display
Product Specification
Values
Unit Notes
Min. Typ. Max.
Notes) The LED Bar consists of 30 LED packages, 2 strings (parallel) x 15 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.
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 ± 2C 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 are must not exceed Max. ratings.
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3-2. Interface connections
3-2-1 LCD Module
LCD connector(CN1) : IS100-L30O-C23(UJU), GT103-30S-HF15-E2500 (LSM)
Mating connector : FI-X30H and FI-X30HL (JAE) or Equivalent
Table 4. Module connector(CN1) pin configuration
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LM230WF5
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
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.)
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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Product Specification
IS100-L30O-C23(UJU)
#1 #30
#1 #30
2’nd signal pairs
CN1
LM230WF5
Liquid Crystal Display
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
4. Input Level of LVDS signal is based on the IEA 664 Standard.
5. PWM_OUT is a reference signal for LED Driver control.
This PWM signal is synchronized with vertical frequency.
Its frequency is 6 times of vertical frequency, and its duty ratio is 50%.
If the system don’t use this pin, do not connect.
(power input) pins should be connected together.
LCD
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3-2-2 LED Interface
The LED interface connector is a model SM06B-SHJH(HF) manufactured by JST.
The mating connector is a SHJP-06V-S(HF) or Equivalent.
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
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LM230WF5
Liquid Crystal Display
Product Specification
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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