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LM270WQ1-SLB1
Specification
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Specification
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LG Display LM270WQ1-SLB1 Specification

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LM270WQ1
Liquid Crystal Display
Product Specification
SPECIFICATION
APPROVAL
() Preliminary Specification ( ) Final Specification
BUYER
MODEL
APPROVED BY
/
/
SIGNATURE
DATE
27.0” QHD TFT LCDTitle
LG Display Co., Ltd.SUPPLIER
LM270WQ1*MODEL
SLB1SUFFIX
*When you obtain standard approval,
please use the above model name without suffix
APPROVED BY
S. Y. Park / G.Manager
REVIEWED BY
S. J. So / Manager
SIGNATURE
DATE
PREPARED BY
/
Please return 1 copy for your confirmation with
your signature and comments.
Ver. 0.9 Mar. 15. 2012
S. R. Yoo / Engineer
MNT Products Engineering Dept.
LG Display Co., Ltd.
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LM270WQ1
Liquid Crystal Display
Product Specification
Contents
COVER
CONTENTS
RECORD OF REVISIONS
GENERAL DESCRIPTION1
ABSOLUTE MAXIMUM RATINGS2
ELECTRICAL SPECIFICATIONS3
ELECTRICAL CHARACTERISTICS3-1
INTERFACE CONNECTIONS3-2
LVDS CHARACTERISTICS3-3
SIGNAL TIMING SPECIFICATIONS3-4
SIGNAL TIMING WAVEFORMS3-5
COLOR INPUT DATA REFERNECE3-6
POWER SEQUENCE & DIP CONDITION FOR LCD MODULE3-7
POWER SEQUENCE & DIP CONDITION FOR LCD INVERTER3-8
OPTICAL SPECIFICATIONS4
MECHANICAL CHARACTERISTICS5
ITEMNo
Page
1
2
3
4
5
6
6
8
11
14
15
16
17
19
20
26
RELIABLITY6
INTERNATIONAL STANDARDS7
SAFETY7-1
EMC7-2
ENVIRONMENT7-3
PACKING8
DESIGNATION OF LOT MARK8-1
PACKING FORM8-2
PRECAUTIONS9
MOUNTING PRECAUTIONS9-1
OPERATING PRECAUTIONS9-2
ELECTROSTATIC DISCHARGE CONTROL9-3
PRECAUTIONS FOR STRONG LIGHT EXPOSURE9-4
STORAGE9-5
HANDLING PRECAUTIONS FOR PROTECTION FILM9-6
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LM270WQ1
Liquid Crystal Display
Product Specification
RECORD OF REVISIONS
Revision
No
Revision
Date
DescriptionPage
First Draft (Preliminary)-Mar. 15. 20120.9
Ver. 0.9 Mar. 15. 2012
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ygy
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2
)
26.96 inches
G
1. General Description
The LM270WQ1 is a Color Active Matrix Liquid Crystal Display with 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 black mode. It has a 27inch diagonally measured active display area with QHD resolution (2560 vertical by 1440 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 10-bit gray scale signal for each dot, thus, presenting a palette of more than 1.07Billion colors with Advanced-FRC (Frame Rate Control). It has been designed to apply the 10-bit 4 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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LM270WQ1
Liquid Crystal Display
Product Specification
White LED
2560 vertical by 1440 horizontal pixel arra
10-bit 4 port LVDS interface.
LVDS 2Port
LVDS 2Port
MSTAR Select
Bit Select
ODC Select
+12.0V
CN2
(41pin)
CN1
(51pin)
General Features
EEPROM
I2C
Timing
Controller
Power
Circuit Block
26.96 inches (68.47cm) diagonalActive Screen Size
630.0(H) x 368.2(V) x 14.8(D) mm (Typ.)Outline Dimension
Logic Power
3.3V / 1.8V
Vled
Mini-LVDS (RGB)
Source Driver Circuit
S1 S2560
G1
TFT - LCD Panel
(2560 Ý RGB Ý 1440 pixels)
G1440
B/L System (White LED)
0.2331 mm x 0.2331 mmPixel Pitch
2560 horiz. By 1440 vert
2560 horiz. By 1440 vert. Pixels RGB stripes arrangementPixel Format
1.07 Billion colors, 10Bit with A-FRCColor Depth
400cd/m
400cd/m
2
(1point)Luminance, White
(1point
View Angle Free (R/L 178(Typ.), U/D 178(Typ.))Viewing Angle(CR>10)
Power Consumption
Total 90.2Watt (Typ.)
@V
, Max 79.5 Watt_Duty 100% of DC 350 mA_w/o driver)
(10.7Watt
LCD
3800 g (typ.)Weight
Transmissive mode, normally blackDisplay Operating Mode
Glare (Low Reflection treatment of the front polarizer)Surface Treatment
lare
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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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LM270WQ1
Liquid Crystal Display
Product Specification
Parameter Notes
Power Input Voltage
Operating Temperature
Storage Temperature
Operating Ambient Humidity
Storage Humidity
Symbol
LCD
OP
ST
OP
ST
Values
MaxMin
500T
60-20T
Units
Vdc14-0.3V
C
C
%RH9010H
%RH9010H
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. Storage condition is guaranteed under packing condition.
FIG.1 Temperature and relative humidity
ڔڋڀ
ڑڋ
ڑڋڀ
at 25 r 2C
1,2
ڲۀۏٻڝېۇڽ
ڐڋ
گۀۈۋۀۍڼۏېۍۀٻڶڞڸ
ڏڋ
ڎڋ
ڍڋ
ڌڋ
ڋ
ڌڋ ڍڋ ڎڋ ڏڋ ڐڋ ڑڋ ڒڋ ړڋڋڈڍڋ
ڟۍ۔ٻڝېۇڽٻگۀۈۋۀۍڼۏېۍۀٻڶڞڸ
Ver. 0.9 Mar. 15. 2012
ڏڋڀ
ڌڋڀ
ڮۏۊۍڼۂۀ
ڪۋۀۍڼۏۄۊۉ
ڣېۈۄڿۄۏ۔ٻڶڃڀڄڭڣڸ
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22.0
p
T
d
q
n
3. Electrical Specifications
3-1. Electrical Characteristics
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LM270WQ1
Liquid Crystal Display
Product Specification
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, is typically generated by LED driver. The LED driver is an
iquid crystal.
external unit to the LCDs.
Table 2-1. ELECTRICAL CHARACTERISTICS
MODULE :
Note :
1. The specified current and power consumption are under the V
whereas mosaic pattern(8 x 6) is displayed and f
2. The current is specified at the maximum current pattern.
3. The duration of rush current is about 2ms and rising time of power Input is 1ms(min.).
LED
Values
SymbolParameter
MaxTypMin
ILCDPower Supply Input Current
=12.0V, 25 r 2C,fV=60Hz condition
is the frame frequency.
V
LCD
FT array an
NotesUnit
Vdc12.612.011.4VLCDPower Supply Input voltage
mVp-p400-VdRFPermissive Power Input Ripple
1mA(1020)(890)-
2mA(1390)(1210)-
1Watt(12.4)(10.7)-PLCDPower Consumption
3A3.0--IRUSH_VLCDRush Current
FIG.2 pattern for Electrical characteristics
power consumption measurement power input ripple
White : 255Gray Black : 0Gray
Mosaic Pattern(8 x 6)
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aximum current patter
Maximum current pattern
White Pattern
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Table 2-2. LED Bar ELECTRICAL CHARACTERISTICS
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LM270WQ1
Liquid Crystal Display
Product Specification
LED Bar Voltage
LED String Power
LED Bar Power
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. 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.
Bar
Bar
ConditionSymbolParameter
Values
Max.Typ.Min.
s
Unit
Notes
1,7LED :
2,7mA365350-IsLED String Current
3,7V534843VsLED String Voltage
3,7V229216-V
4,6,7Watt14.3512.610.85P
4,6,7Watt79.572-P
5,7Hrs--30,000LED_LTLED Life Time
1. Specified values are for a single LED bar including Left & Right 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 350 mA 100% duty current.
4. The specified power consumption is input LED string & bar power consumption at typical 350 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 2C.
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. String Power Consumption is calculated with PS = VS x Is Bar Power Consumption is calculated with PL = VBarx Is
7. LED operating DC Forward Current and Junction Temperature must not exceed LED Max Ratings at 25 r 2C.
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3-2. Interface Connections
This LCD module employs two kinds of interface connection, 51-pin and 41-pin connectors are used for the module electronics and 14-pin connectors are used for the integral backlight system.
3-2-1. LCD Module (CN1, CN2)
- LCD Connector(CN1): IS050-C51B-C39-A(manufactured by UJU) or FI-RE51S-HF(manufactured by JAE) or compatible. Refer to below and next Page table.
- Mating Connector : FI-RE51HL(JAE) or compatible
Table 3-1. MODULE CONNECTOR(CN1) PIN CONFIGURATION
DescriptionSymbolNo
1
2
3
4
5
6
7
8
9
10
15
20
26
GND
LVDS Format
GND11
R1AN12
R1AP13
R1BN14
R1BP
R1CN16
R1CP17
GND18
R1CLKN19
R1CLKP
GND21
R1DN22
R1DP23 R1EN24
R1EP25
Reserved
No ConnectionNC
No ConnectionNC
No ConnectionNC
No ConnectionNC
‘H’ or NC = Enable , ‘L’ = Disable ODC Select
‘H’= MSTAR Concept , ‘L’=normal
No ConnectionNC
Reference signal for inverter controlPWM_OUT
No ConnectionNC
FIRST LVDS Receiver Signal (A-)
FIRST LVDS Receiver Signal (A+)
FIRST LVDS Receiver Signal (B-)
FIRST LVDS Receiver Signal (B+)
FIRST LVDS Receiver Signal (C-)
FIRST LVDS Receiver Signal (C+)
FIRST LVDS Receiver Clock Signal(-)
FIRST LVDS Receiver Clock Signal(+)
FIRST LVDS Receiver Signal (D-)
FIRST LVDS Receiver Signal (D+)
FIRST LVDS Receiver Signal (E-)
FIRST LVDS Receiver Signal (E+)
No connection or GND
Ground
Ground
Ground
Ground
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Product Specification
No
27
28
29
30
31
32
33
34
35
36
37
38
39 40
41 42
43 44 45
46 47 48
49 50
51
Symbol
Bit Select
R2AN
R2AP
R2BN
R2BP
R2CN
R2CP
GND
R2CLKN
R2CLKP
GND
R2DN
R2DP
R2EN
R2EP
Reserved Reserved
GND GND GND
NC VLCD VLCD
VLCD VLCD
-
LM270WQ1
Liquid Crystal Display
Description
‘H’ = 10bit , ‘L’ = 8bit
SECOND LVDS Receiver Signal (A-)
SECOND LVDS Receiver Signal (A+)
SECOND LVDS Receiver Signal (B-)
SECOND LVDS Receiver Signal (B+)
SECOND LVDS Receiver Signal (C-)
SECOND LVDS Receiver Signal (C+)
Ground
SECOND LVDS Receiver Clock Signal(-)
SECOND LVDS Receiver Clock Signal(+)
Ground
SECOND LVDS Receiver Signal (D-)
SECOND LVDS Receiver Signal (D+)
SECOND LVDS Receiver Signal (E-)
SECOND LVDS Receiver Signal (E+)
No connection or GND No connection or GND
Ground Ground Ground
No connection Power Supply +12.0V Power Supply +12.0V
Power Supply +12.0V Power Supply +12.0V
-
-
Notes :
1. All GND(ground) pins should be connected together to the LCD module’s metal frame.
2. All V
LCD
(power input) pins should be connected together.
3. All Input levels of LVDS signals are based on the EIA 644 Standard.
4. Specific pins(pin No. #2~#6) are used for internal data process of the LCD module. If not used, these pins are no connection.
5. LVDS pin (pin No. #24,25,40,41) are used for 10Bit(D) of the LCD module. If used for 8Bit(R), these pins are no connection.
6. Specific pin No. #44 is used for “No signal detection” of system signal interface. It should be GND for NSB(No Signal Black) during the system interface signal is not. If this pin is “H”, LCD Module displays AGP(Auto Generation Pattern).
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All GND(ground) pins should be conne
u
- LCD Connector(CN2): IS050-C41B-C39-A(manufactured by UJU) or FI-RE41S-HF(manufactured by JAE) or compatible. Refer to below table.
- Mating Connector : FI-RE41HL or compatible.
Table 3-2. MODULE CONNECTOR(CN2) PIN CONFIGURATION
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LM270WQ1
Liquid Crystal Display
Product Specification
10
11
12
14
15
16
17
19
20
21
DescriptionSymbolNo
NC
2
3
5
6
7
8
9
NC
NC
NC4
NC
NC
NC
NC
GND
R3AN
R3AP
R3BN
R3BP13
R3CN
R3CP
GND
R3CLKN
R3CLKP18
GND
R3DN
R3DP
connection(Reserved)1
No
No connection
No connection No connection
No connection
No connection
No connection
No connection Ground
THIRD LVDS Receiver Signal (A-)
THIRD LVDS Receiver Signal (A+)
THIRD LVDS Receiver Signal (B-)
THIRD LVDS Receiver Signal (B+)
THIRD LVDS Receiver Signal (C-)
THIRD LVDS Receiver Signal (C+) Ground
THIRD LVDS Receiver Clock Signal(-)
THIRD LVDS Receiver Clock Signal(+) Ground
THIRD LVDS Receiver Signal (D-)
THIRD LVDS Receiver Signal (D+)
No
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
Symbol
R3EN
R3EP
GND
GND
R4AN
R4AP
R4BN
R4BP
R4CN
R4CP
GND
R4CLKN
R4CLKP
GND
R4DN
R4DP
R4EN
R4EP
GND
GND
-
THIRD LVDS Receiver Signal (E-)
THIRD LVDS Receiver Signal (E+)
Ground
Ground
FORTH LVDS Receiver Signal (A-)
FORTH LVDS Receiver Signal (A+)
FORTH LVDS Receiver Signal (B-)
FORTH LVDS Receiver Signal (B+)
FORTH LVDS Receiver Signal (C-)
FORTH LVDS Receiver Signal (C+) Ground
FORTH LVDS Receiver Clock Signal(-)
FORTH LVDS Receiver Clock Signal(+) Ground
FORTH LVDS Receiver Signal (D-)
FORTH LVDS Receiver Signal (D+)
FORTH LVDS Receiver Signal (E-)
FORTH LVDS Receiver Signal (E+)
Ground
Ground
Description
Notes : 1. All GND(ground) pins should be connected together to the LCD module’s metal frame.
cted together to the LCD module’s metal frame
2. LVDS pin (pin No. #22,23,38,39) are used for 10Bit(D) of the LCD module. If used for 8Bit(R), these pins are no connection.
[CN1]
#1
CN1 CN2
#51 #1 #41
- Part/No. : IS050-C51B-C39-A(UJU)
- Mating connector : FI-RE51HL (Manufactured by JAE)
[CN2]
#1 #51
#1 #41
- Part/No. : IS050-C41B-C39-A(UJU)
- Mating connector : FI-RE41HL (Manufactured by JAE)
Rear view of LCM
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3-2-2. Backlight Interface
- LED Connector : H401K-D12N-12B (Manufactured by E&T)
- Mating Connector : 4530K-F12N-01R (Manufactured by E&T)
Table 5. LED CONNECTOR PIN CONFIGULATION
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LM270WQ1
Liquid Crystal Display
Product Specification
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