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LM270WQ1
Liquid Crystal Display
Product Specification
SPECIFICATION
FOR
APPROVAL
( ) Preliminary Specification
( ) Final Specification
Title 27.0" QHD TFT LCD
BUYER EUNPA SUPPLIER LG Display Co., Ltd.
MODEL *MODEL LM270WQ1
SUFFIX SLB2
*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
S.W. Lee / Manager [C]
Y.S. Chung / Manager [M]
/
T.H. Shin / Manager [P]
E.S. Kim / Manager [O]
PREPARED BY
/
J.A. Lee / Engineer
Please return 1 copy for your confirmation IT/Mobile Development Division 1
With your signature and comments. LG Display Co., Ltd
Ver. 1.0 May. 31. 2012 1 / 32
LM270WQ1
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
3-1 ELECTRICAL CHARACTREISTICS 6
3-2 INTERFACE CONNECTIONS 8
3-3 LVDS CHARACTREISTICS 11
3-4 SIGNAL TIMING SPECIFICATIONS 14
3-5 SIGNAL TIMING WAVEFORMS 15
3-6 COLOR INPUT DATA REFERNECE 16
3-7 POWER SEQUENCE & DIP CONDITION FOR LCD MODULE 17
4 OPTICAL SPECIFICATIONS 19
5 MECHANICAL CHARACTERISTICS 25
6 RELIABLITY 28
7 INTERNATIONAL STANDARDS 29
7-1 SAFETY 29
7-2 EMC 29
7-3 ENVIRONMENT 29
8 PACKING 30
8-1 DESIGNATION OF LOT MARK 30
8-2 PACKING FORM 30
9 PRECAUTIONS 31
9-1 MOUNTING PRECAUTIONS 31
9-2 OPERATING PRECAUTIONS 31
9-3 ELECTROSTATIC DISCHARGE CONTROL 32
9-4 PRECAUTIONS FOR STRONG LIGHT EXPOSURE 32
9-5 STORAGE 32
9-6 HANDLING PRECAUTIONS FOR PROTECTION FILM 32
Ver. 1.0 May. 31. 2012 2 / 32
LM270WQ1
Liquid Crystal Display
Product Specification
RECORD OF REVISIONS
Revision Revision
Page Description
No Date
0.1 May.09. 2012 - First Draft (Preliminary)
0.2 May.22. 2012 28 Updated Altitude operating condition
1.0 May.22. 2012 7 Revised LED Pin string Voltage(Min.)
8 Revised the Pin Configuration
10 Updated Backlight Connector Pin Configuration Note
26,27 Updated Mechanical Front & Rear View
31 Updated Operating precautions
Final Specifications.
Ver. 1.0 May. 31. 2012 3 / 32
LM270WQ1
Liquid Crystal Display
Product Specification
1. General Description
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 8-bit gray scale signal for each dot, thus, presenting a palette of more than
16.7M colors. It has been designed to apply the 8-bit 4port LVDS interface.
It is intended to support displays where high brightness, super wide viewing angle,
high color saturation, and high color are important.
Mini-LVDS (RGB)
EEPROM
Source Driver Circuit
LVDS
2Port I2C
CN2 S1 S2560
(41pin)
G1
Timing
Gate Driver Circuit
LVDS
2Port Controller
MSTAR
Select
TFT - LCD Panel
Bit
CN1
Logic Power (2560