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LM270WQ1
Liquid Crystal Display

Product Specification




SPECIFICATION
FOR
APPROVAL



() Preliminary Specification
( ) Final Specification


Title 27.0" QHD TFT LCD

BUYER General SUPPLIER LG Display Co., Ltd.

MODEL - *MODEL LM270WQ1
SUFFIX SDDB

*When you obtain standard approval,
please use the above model name without suffix

SIGNATURE SIGNATURE
APPROVED BY APPROVED BY
DATE DATE

/
K. G. Park / G.Manager

REVIEWED BY

S. W. Lee / Manager [C]
/
Y. S. Chung / Manager [M]

D. H. Kang / Manager [P]


/ PREPARED BY
J. A. Lee / Engineer

Please return 1 copy for your confirmation with
MNT Products Engineering Dept.
your signature and comments. LG Display Co., Ltd


Ver. 0.1 Oct. 19. 2011 1 / 29




PDF created with pdfFactory trial version www.pdffactory.com
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 9

3-3 SIGNAL TIMING SPECIFICATIONS 11

3-4 SIGNAL TIMING WAVEFORMS 12

3-5 COLOR INPUT DATA REFERNECE 13

3-6 POWER SEQUENCE 14

4 OPTICAL SFECIFICATIONS 16
5 MECHANICAL CHARACTERISTICS 22

6 RELIABLITY 25

7 INTERNATIONAL STANDARDS 26

7-1 SAFETY 26

7-2 EMC 26

7-3 ENVIRONMENT 30

8 PACKING 27

8-1 DESIGNATION OF LOT MARK 27

8-2 PACKING FORM 27
9 PRECAUTIONS 28
9-1 MOUNTING PRECAUTIONS 28
9-2 OPERATING PRECAUTIONS 28
9-3 ELECTROSTATIC DISCHARGE CONTROL 29
9-4 PRECAUTIONS FOR STRONG LIGHT EXPOSURE 29
9-5 STORAGE 29
9-6 HANDLING PRECAUTIONS FOR PROTECTION FILM 29


Ver. 0.1 Oct. 19. 2011 2 / 29




PDF created with pdfFactory trial version www.pdffactory.com
LM270WQ1
Liquid Crystal Display

Product Specification


RECORD OF REVISIONS

Revision
Revision Date Page Description
No
0.0 Oct. 12. 2011 - First Draft(Preliminary)




Ver. 0.1 Oct. 19. 2011 3 / 29




PDF created with pdfFactory trial version www.pdffactory.com
LM270WQ1
Liquid Crystal Display

Product Specification

1. General Description
LM270WQHD 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
acti ve di s pl ay area wi th Q HD res o l uti on (2560 verti cal by 1440 hori z ontal pi x el 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 1.07B colors with FRC (Frame Rate Control).
It has been designed to apply the 10-bit 4Lane Display port interface.
I t i s i n te n d ed to s up po r t di s pl ay s w h er e h i g h b ri g ht n e s s , s u p er w i d e vi ewi n g a n gl e,
high color saturation, and high color are important.

Mini-LVDS (RGB)
Flash
Source Driver Circuit
memory
SPI
S1 S2560
Main Link
4 Lane CN1 Timing
AUX CH (30pin)
Controller
HPD TFT - LCD Panel
Logic Power Power (2560