LG Display LM240WU7-SLB3 Specification
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LM240WU7
Liquid Crystal Display
Product Specification
SPECIFICATION
FOR
APPROVAL
( ) Preliminary Specification
) Final Specification
(
BUYER
MODEL
APPROVED BY
/
/
HP
SIGNATURE
DATE
24.0” WUXGA TFT LCDTitle
SUPPLIER LG Display Co., Ltd.
*MODEL LM240WU7
SUFFIX SLB3
*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]
SIGNATURE
DATE
I.M. CHOI / Manager [P]
PREPARED BY
/
Please return 1 copy for your confirmation with
your signature and comments.
Ver. 1.0 Apr. 21 . 2011
T.K KIM / Engineer
MNT Products Engineering Dept.
LG Display Co., Ltd.
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LM240WU7
Liquid Crystal Display
Product Specification
Contents
COVER
CONTENTS
RECORD OF REVISIONS
1 GENERAL DESCRIPTION
2 ABSOLUTE MAXIMUM RATINGS
3 ELECTRICAL SPECIFICATIONS
3-1 ELECTRICAL CHARACTREISTICS
3-2 INTERFACE CONNECTIONS
3-3 SIGNAL TIMING SPECIFICATIONS
3-4 SIGNAL TIMING WAVEFORMS
3-5 COLOR INPUT DATA REFERNECE
3-6 POWER SEQUENCE
3-7 VLCD DIP CONDITION
4 OPTICAL SFECIFICATIONS
5 MECHANICAL CHARACTERISTICS
1
2
3
4
5
6
6
9
14
15
16
17
18
19
25
6 RELIABLITY
7 INTERNATIONAL STANDARDS
7-1 SAFETY
7-2 EMC
7-3 ENVIRONMENT
8 PACKING
8-1 DESIGNATION OF LOT MARK
8-2 PACKING FORM
8-3 PALLET FORM 30
9 PRECAUTIONS 31
26
27
27
27
27
28
28
29
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LM240WU7
Liquid Crystal Display
Product Specification
RECORD OF REVISIONS
Revision
No
0.0 Dec. 08.2010 - First Draft (Preliminary)
0.1 Feb. 28. 2011 19 Update color coordinates
0.2 Mar. 02. 2011 30 Update Designation of Lot Mark
0.3 Mar. 07. 2011 5 Add notes
1.0 Apr. 21. 2011 - Final Draft
Revision Date Page
27 Update Mechanical drawings
30 Update Designation of Lot Mark
Description
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1. General Description
LM240WU7 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 black mode. It has a 24inch diagonally measured
active display area with WUXGA resolution (1200 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(True) colors.
It has been designed to apply the 8Bit 2 port LVDS interface.
It is intended to support displays where high brightness, super wide viewing angle,
high color saturation, and high color are important.
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LM240WU7
Liquid Crystal Display
Product Specification
Source Driver Circuit
S1 S1920
TFT - LCD Panel
LVDS
2port
+12.0V
CN1
(30pin)
RGB
Timing
Controller
(1920 Ý RGB Ý 1200 pixels)
+12.0V
Power Circuit
Block
V
Lamp
2 x 6Sockets (High)
Back light Assembly
(U-Shape 6CCFL)
General Features
Active Screen Size 24.1 inches(61.13cm) diagonal
Outline Dimension 546.4(H) x 352.0(V) x 35.7(D) mm(Typ.) * without inverter
Pixel Pitch 0.270 mm x 0.270 mm
Pixel Format 1920 horiz. By 1200 vert. Pixels RGB stripes arrangement
Color Depth 8-bit, 16,777,216 colors
Luminance, White 400 cd/m
2
( Center 1 points)
Viewing Angle(CR>10) View Angle Free (R/L 178(Typ.), U/D 178(Typ.))
Power Consumption Total 69.72 Watt (Typ.) ( 6.72 Watt@VLCD, 63 Watt @Vlamp)
Weight 2830 g (typ.)
Display Operating Mode Transmissive mode, normally black
Surface Treatment 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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LM240WU7
Liquid Crystal Display
Product Specification
Parameter Symbol
Power Input Voltage
Operating Temperature
Storage Temperature
Operating Ambient Humidity
Storage Humidity
VLCD -0.3 14 Vdc
TOP 050
TST -20 60
HOP 10 90 %RH
HST 10 90 %RH
Values
Units Notes
Min Max
at 25 2¶C
¶C
¶C
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.
Note : 2. Maximum Storage Humidity is up to 40, 70% RH only for 4 corner light leakage Mura.
Note : 3. Storage condition is guaranteed under packing condition
90%
60
60%
Wet Bulb
Temperature [C]
10
0
20
30
40
50
40%
Humidity [(%)RH]
10%
Storage
Operation
1, 2
10 20 30 40 50 60 70 800-20
Dry Bulb Temperature [C]
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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 CCFL, is typically generated by an inverter. The inverter is an
external unit to the LCDs.
Table 2. ELECTRICAL CHARACTERISTICS
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LM240WU7
Liquid Crystal Display
Product Specification
Parameter Symbol
MODULE :
Power Supply Input Voltage V
Permissive Power Input Ripple V
Power Supply Input Current I
Differential Impedance
Power Consumption PLCD - 6.72 7.73 Watt 2
Rush current I
LAMP :
Operating Voltage V
Operating Current I
Established Starting Voltage Vs 5,7
LCD 11.4 12.0 12.6 Vdc
RF 400 mV 1
LCD
Zm
RUSH --3A4
BL 1550(8.0mA) 1750(6.0mA) 1950(3.0mA) V
BL 3.0 6.0 8.0 mA
Min Typ Max
476 560 644 mA 2
637 750 863 mA 3
90 100 110
at 25 ¶C
at 0 ¶C
Operating Frequency
Discharge Stabilization Time
Power Consumption
Life Time
fBL 40 55 80 kHz 8
Ts - 3 Min 5, 9
PBL 63 69.3 Watt 10
50,000 Hrs 5, 11
Values
2500 V
2900 V
Unit Notes
ohm
RMS
RMS
RMS
RMS
5, 6
5
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–
Assembly should be operated in the same condition as installed in you instrument.
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Note : Do not Insert conducting Material to lamp connecting socket. If the conducting Material is inserted
to the lamp connecting sockets, TFT-LCD Module has a low luminance and the inverter has abnormal
action. Because leakage current is occurred between lamp connecting socket and conducting material.
1. Permissive power ripple should be measured under V
time, we recommend the bandwidth configuration of oscilloscope is to be under 20Mhz.
2. The specified current and power consumption are under the V
whereas mosaic pattern(8 x 6) is displayed and f
3. The current is specified at the maximum current pattern.
4. The duration of rush current is about 2ms and rising time of power Input is 1ms(min.).
5. Specified values are for a single lamp.
6. Operating voltage is measured at 25 2¶C, and follows as below condition.
The variance of the voltage is 10%. (Based on single Lamp.)
The variance of the voltage is 20%. (Based on system & Test equipment tolerance.)
7. The voltage above V
(Inverter open voltage must be more than lamp starting voltage.)
Otherwise, the lamps may not be turned on. The used lamp current is the lamp typical current.
8. The output of the inverter must have symmetrical (negative and positive) voltage waveform and
symmetrical current waveform (Unsymmetrical ratio is less than 10%). Please do not use the inverter
which has unsymmetrical voltage and unsymmetrical current and spike wave.
Lamp frequency may produce interface with horizontal synchronous frequency and as a result this may
cause beat on the display. Therefore lamp frequency shall be as away possible from the horizontal
synchronous frequency and from its harmonics in order to prevent interference.
9. Let’s define the brightness of the lamp after being lighted for 5 minutes as 100%.
is the time required for the brightness of the center of the lamp to be not less than 95%.
T
S
The used lamp current is the lamp typical current.
10. The lamp power consumption shown above does not include loss of external inverter.
The used lamp current is the lamp typical current. (P
11. The life is determined as the time at which brightness of the lamp is 50% compared to that of initial
value at the typical lamp current on condition of continuous operating at 25 2¶C.
12. Requirements for a system inverter design, which is intended to have a better display performance,
a better power efficiency and a more reliable lamp, are following.
It shall help increase the lamp lifetime and reduce leakage current.
a. The asymmetry rate of the inverter waveform should be less than 10%.
b. The distortion rate of the waveform should be within √2 ·10%.
* Inverter output waveform had better be more similar to ideal sine wave.
should be applied to the lamps for more than 1 second for start-up.
S
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Product Specification
=12.0V, 25 2¶C,fV=60Hz condition and At that
LCD
is the frame frequency.
V
= VBLx IBLx N
BL
LM240WU7
Liquid Crystal Display
=12.0V, 25 2¶C,fV=60Hz condition
LCD
)
Lamp
* Asymmetry rate:
I p
|I
p–I–p
|/I
rms
x 100%
* Distortion rate
I -p
(or I–p)/I
I
p
rms
13. The inverter which is combined with this LCM, is highly recommended to connect coupling(ballast)
condenser at the high voltage output side. When you use the inverter which has not coupling(ballast)
condenser, it may cause abnormal lamp lighting because of biased mercury as time goes.
14. In case of edgy type back light with over 6 parallel lamps, input current and voltage wave form should
be synchronized
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LM240WU7
Liquid Crystal Display
Product Specification
< Permissive Power Input Ripple (V
White Pattern
< Power consumption (V
Typical current pattern
(White : 255Gray, Black : 0Gray)
LCD
=12.0V, 25 2¶C,fV=60Hz) >
LCD
Black Pattern
=12.0V, 25 2¶C,fV=60Hz) >
Maximum current pattern
Mosaic Pattern(8 x 6)
[ Figure 3 ] Mosaic pattern & Black Pattern for power consumption measurement
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White Pattern
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3-2. Interface Connections
3-2-1. LCD Module
- LCD Connector(CN1) : IS100-L30B-C23 (UJU), KDF71G-30S-1H (Hirose ) or Equivalent
- Mating Connector : FI-X30C2L (Manufactured by JAE) or Equivalent
Table 3 MODULE CONNECTOR(CN1) PIN CONFIGURATION
No Symbol Description No Symbol Description
1 FR0M
Minus signal of odd channel 0 (LVDS)
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Product Specification
16 SR1P
LM240WU7
Liquid Crystal Display
Plus signal of even channel 1 (LVDS)
2 FR0P
3 FR1M
4 FR1P
5 FR2M
6 FR2P
7 GND
8 FCLKINM
9 FCLKINP
10 FR3M
11 FR3P
12 SR0M
13 SR0P
14 GND
15 SR1M
Plus signal of odd channel 0 (LVDS)
Minus signal of odd channel 1 (LVDS)
Plus signal of odd channel 1 (LVDS)
Minus signal of odd channel 2 (LVDS)
Plus signal of odd channel 2 (LVDS)
Ground
Minus signal of odd clock channel (LVDS)
Plus signal of odd clock channel (LVDS)
Minus signal of odd channel 3 (LVDS)
Plus signal of odd channel 3 (LVDS)
Minus signal of even channel 0 (LVDS)
Plus signal of even channel 0 (LVDS)
Ground
Minus signal of even channel 1 (LVDS)
17 GND
18 SR2M
19 SR2P
20 SCLKINM
21 SCLKINP
22 SR3M
23 SR3P
24 GND
25 OPEN
26 OPEN
Ground
Minus signal of even channel 2 (LVDS)
Plus signal of even channel 2 (LVDS)
Minus signal of even clock channel (LVDS)
Plus signal of even clock channel (LVDS)
Minus signal of even channel 3 (LVDS)
Plus signal of even channel 3 (LVDS)
Ground
NC
NC
27 PWM PWM_OUT for Wavy Noise
ODC ON/OFF Control
28 ODC ON
H : ODC ON , L : ODC OFF
(Connect High or Low.No NC Condition)
29 VLCD
30 VLCD
Power Supply +12.0V
Power Supply +12.0V
Note: 1. All GND(ground) pins should be connected together and to Vss which should also be connected to
the LCD’s metal frame.
2. All V
LCD (power input) pins should be connected together.
3. Input Level of LVDS signal is based on the EIA 664 Standard.
User Connector Diagram
1
30
#1 #30
Rear view of LCM
IS100-L30B-C23(UJU)
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Liquid Crystal Display
Product Specification
Table 4. REQUIRED SIGNAL ASSIGNMENT FOR Flat Link (TI:SN75LVDS83) Transmitter
Pin # Require SignalPin Name Pin # Require SignalPin Name
1 Power Supply for TTL InputVCC 29 Ground pin for TTLGND
2 TTL Input (R7)D5 30 TTL Input (DE)D26
3 TTL Input (R5)D6 31 TTL Level clock InputTXCLKIN
4 TTL Input (G0)D7 32 Power Down InputPWR DWN
5 Ground pin for TTLGND 33 Ground pin for PLLPLL GND
6 TTL Input (G1)D8 34 Power Supply for PLLPLL VCC
LM240WU7
7 TTL Input (G2)D9 35 Ground pin for PLLPLL GND
8 TTL Input (G6)D10 36 Ground pin for LVDSLVDS GND
9 Power Supply for TTL InputVCC 37 Positive LVDS differential data output 3TxOUT3ు
10 TTL Input (G7)D11 38 Negative LVDS differential data output 3TxOUT3ృ
11 TTL Input (G3)D12 39 Positive LVDS differential clock outputTXCLKOUTు
12 TTL Input (G4)D13 40 Negative LVDS differential clock outputTXCLKOUTృ
13 Ground pin for TTLGND 41 Positive LVDS differential data output 2TXOUT2ు
14 TTL Input (G5)D14 42 Negative LVDS differential data output 2TXOUT2ృ
15 TTL Input (B0)D15 43 Ground pin for LVDSLVDS GND
16 TTL Input (B6)D16 44 Power Supply for LVDSLVDS VCC
17 Power Supply for TTL InputVCC 45 Positive LVDS differential data output 1TXOUT1ు
46 Negative LVDS differential data output 1TXOUT1ృ18 TTL Input (B7)D17
19 TTL Input (B1)D18
20 TTL Input (B2)D19
22 TTL Input (B3)D20
23 TTL Input (B4)D21
47 Positive LVDS differential data output 0TXOUT0ు
48 Negative LVDS differential data output 0TXOUT0ృ
49 Ground pin for LVDSLVDS GND21 Ground pin for TTL InputGND
50 TTL Input (R6)D27
51 TTL Input (R0)D0
24 TTL Input (B5)D22
25 TTL Input (RSVD)D23
26 Power Supply for TTL InputVCC 54 TTL Input (R2)D2
52 TTL Input (R1)D1
53 Ground pin for TTLGND
55 TTL Input (R3)D327 TTL Input (HSYNC)D24
56 TTL Input (R4)D428 TTL Input (VSYNC)D25
Notes : Refer to LVDS Transmitter Data Sheet for detail descriptions.
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LVDS Input characteristics
1. DC Specification
LVDS -
LVDS +
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LM240WU7
Liquid Crystal Display
Product Specification
|VID|
#|VID| = |(LVDS+) ˀ (LVDS-)|
= {(LVDS+) + (LVDS-)}/2
#V
CM
0V
Description Symbol Min Max Unit Notes
LVDS Differential Voltage |V
LVDS Common mode Voltage V
LVDS Input Voltage Range V
2. AC Specification
LVDS Clock
LVDS Data
t
SKEW
| 100 600 mV -
ID
CM
IN
t
SKEW(Fclk
=1/T
1) 85MHz > Fclk ˻ 65MHz : -400 ~ +400
2) 85MHz > Fclk ˻ 65MHz : -600 ~ +600
0.6 1.8 V -
0.3 2.1 V -
T
clk
)
clk
V
CM
V
IN_MAXVIN_MIN
Description Symbol Min Max Unit Notes
LVDS Clock to Data Skew Margin
LVDS Clock to Clock Skew Margin (Even to Odd) t
t
SKEW
t
SKEW
SKEW_EO
- 400 + 400 ps 85MHz > Fclk ≥ 65MHz
- 600 + 600 ps 65MHz > Fclk ≥ 25MHz
- 1/7 + 1/7 T
clk
Note 1 :
This SSC specifications are just T-CON operation specification. In case of various system condition,
the optimum setting value of SSC can be different. LGD recommend the SI should be adjust the SSC
deviation and modulation frequency in order not to happen any kinds of defect phenomenon.
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