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LM270WF5
Liquid Crystal Display
Product Specification
SPECIFICATION
FOR
APPROVAL
( ) Preliminary Specification
( ) Final Specification
Title 27" Full HD TFT LCD
BUYER General SUPPLIER LG Display Co., Ltd.
MODEL *MODEL LM270WF5
SUFFIX SSA1
*When you obtain standard approval,
please use the above model name without suffix
SIGNATURE DATE APPROVED BY DATE
C.K. Lee / G.Manager
/ REVIEWED BY
K.H. Oh / Manager [C]
Y.S. Chung / Manager [M]
/
E.S. Kim / Manager [O]
D.H. Kang / Manager [P]
/ PREPARED BY
B.S. An / Engineer
Please return 1 copy for your confirmation Product Engineering Dept.
With your signature and comments. LG Display Co., Ltd
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LM270WF5
Liquid Crystal Display
Product Specification
Contents
No ITEM Page
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 9
3) SIGNAL TIMING SPECIFICATIONS 14
4) SIGNAL TIMING WAVEFORMS 15
5) COLOR INPUT DATA REFERNECE 16
6) POWER SEQUENCE 17
7) POWER DIP CONDITION 18
4 OPTICAL SPECIFICATIONS 19
5 MECHANICAL CHARACTERISTICS 29
6 RELIABILITY 32
7 INTERNATIONAL STANDARDS 33
1) SAFETY 33
2) EMC 33
3) Environment 33
8 PACKING 34
1) DESIGNATION OF LOT MARK 34
2) PACKING FORM 34
9 PRECAUTIONS 35
1) MOUNTING PRECAUTIONS 35
2) OPERATING PRECAUTIONS 35
3) ELECTROSTATIC DISCHARGE CONTROL 36
4) PRECAUTIONS FOR STRONG LIGHT EXPOSURE 36
5) STROAGE 36
6) HANDLING PRECAUTIONS FOR PROTECTION FILM 36
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LM270WF5
Liquid Crystal Display
Product Specification
RECORD OF REVISIONS
Revision Revision
Page Description
No Date
0.0 Dec. 8. 2011 - First Draft, Preliminary Specifications
0.1 Feb. 1. 2011 28,29 Update the Front & Rear View
0.2 Mar. 5. 2012 6 Update the Table 2-1. ELECTRICAL CHARACTERISTICS
13 Update the mating connector
24 Update the Table 11. Gray Scale Specification
27 Update the Rear View
0.3 Mar. 26. 2012 8 Table 2-2. LED Bar ELECTRICAL CHARACTERISTICS
13 Update the mating connector
19 Update Color Coordinates
28,29 Update the Front & Rear View
0.4 May. 2. 2012 13 Update the mating connector
0.5 May. 24. 2012 6 Modify Rush Current
33 9-1. MOUNTING PRECAUTIONS
28,29 Update the Front & Rear View
1.0 May. 31. 2012 - Final Specifications
1.1 June. 14. 2012 29 Update the Rear View
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LM270WF5
Liquid Crystal Display
Product Specification
1. General Description
LM270WF5-SSA1 is a Color Active Matrix Liquid Crystal Display with an integral Light Emitting Diode (White 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 white mode. It has a 27 inch diagonally measured active display area with Full
HD 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. It is intended to support displays where high brightness, super wide viewing angle,
high color saturation, and high color are important.
Source Driver Circuit
RGB, Dclk, DE Timing Control
Hsync, Vsync S1 S1920
CN1 Block
(LVDS 2 port) (30pin)
G1
VLCD(5.0V)
TFT-LCD Panel
Power Circuit Block (1920 u 1080 pixels)
G1080
VLED (4ch) Back light System (White LED)
Figure 1. Block diagram
General Features
Active Screen Size 27 inches(68.6cm) diagonal
UP : 616.7(H) x 361.3(V) x 9.8(D)mm(Typ.)
Outline Dimension
DOWN : 617.1(H) x 361.3(V) x 13.85(D) mm(Typ.)
Pixel Pitch 0.3114 mm x 0.3114 mm
Pixel Format 1920 horiz. By 1080 vert. Pixels RGB stripes arrangement
Color Depth 16,7M colors
Luminance, White 250 cd/m2 (Center 1 point)
Viewing Angle(CR>10) View Angle Free (R/L 178(Typ.), U/D 178(Typ.))
Power Consumption Total 23.23 Watt (Typ.) (3.83 Watt @ VLCD, 19.4 Watt @250cd/ )
Weight 3,300 g(Typ.)
Display Operating Mode Transmissive mode, normally Black
Surface Treatment 25% Haze treatment of the front polarizer
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LM270WF5
Liquid Crystal Display
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
Values
Parameter Symbol Units Notes
Min Max
Power Supply Input Voltage VLCD -0.3 +6.0 Vdc At 25
Operating Temperature TOP 0 50 C
Storage Temperature TST -20 60 C
1,2,,3
Operating Ambient Humidity HOP 10 90 %RH
Storage Humidity HST 10 90 %RH
LCM Surface Temperature
Tsurface 0 65 1, 4
(Operation)
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
4. LCM Surface Temperature should be Min. 0 and Max. 65 under the VLCD=5.0V,
fV=60Hz, 25 ambient Temp. no humidity control and LED string current is typical value.
FIG. 2 Temperature and relative humidity
90%
60
60%
Humidity [(%)RH]
50 Storage
Wet Bulb
Temperature [ ]
40
40%
Operation
30
20
10
0
10%
-20 0 10 20 30 40 50 60 70 80
Dry Bulb Temperature [ ]
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LM270WF5
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 a LED Driver.
The LED Driver is an external unit to the LCDs.
Table 2-1. ELECTRICAL CHARACTERISTICS
Values
Parameter Symbol Unit Notes
Min Typ Max
MODULE :
Power Supply Input Voltage VLCD 4.5 5 5.5 Vdc
Permissive Power Input Ripple VLCD 400 mVp-p 1
ILCD_Mosaic - 765 955 mA 2
Power Supply Input Current
ILCD_White - 920 1150 mA 3
Pc_Mosaic - 3.83 4.78 Watt 2
Power Consumption
PcLCD_White - 4.60 5.75 Watt 3
Rush current IRUSH - 3 A 4
Note :
1. Permissive power ripple should be measured under VLCD =5.0V, 25 C, fV(frame frequency)=MAX
condition and At that time, we recommend the bandwidth configuration of oscilloscope is to be under
20Mhz. See the next page.
2. The specified current and power consumption are under the V LCD=5.0V, 25 2 C,fV=60Hz condition
whereas Typical Power Pattern [Mosaic] shown in the [ Figure 3 ] is displayed.
3. The current is specified at the maximum current pattern.
4. Maximum Condition of Inrush current :
The duration of rush current is about 5ms and rising time of power Input is 500us r 20%.(min.).
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LM270WF5
Liquid Crystal Display
Product Specification