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LM215WF4
Liquid Crystal Display
Product Specification
SPECIFICATION
FOR
APPROVAL
() Preliminary Specification
( ) Final Specification
Title 21.5" Full HD TFT LCD
BUYER LENOVO SUPPLIER LG Display Co., Ltd.
MODEL *MODEL LM215WF4
SUFFIX TLE9
*When you obtain standard approval,
please use the above model name without suffix
SIGNATURE DATE APPROVED BY DATE
K.G. Park / G.Manager
/
REVIEWED BY
S.W. Byun / Manager [C]
/ H.D. Joo / Manager [M]
C.S. Shin / Manager [P]
PREPARED BY
/
K.H. Oh / Engineer
Please return 1 copy for your confirmation Product Engineering Dept.
With your signature and comments. LG Display Co., Ltd
Ver.0.1 Jan. 6. 2011 1 / 32
LM215WF4
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 8
3) LVDS characteristics 11
4) SIGNAL TIMING SPECIFICATIONS 14
5) SIGNAL TIMING WAVEFORMS 15
6) COLOR INPUT DATA REFERNECE 16
7) POWER SEQUENCE 17
8) POWER DIP CONDITION 18
4 OPTICAL SFECIFICATIONS 19
5 MECHANICAL CHARACTERISTICS 25
6 RELIABILITY 28
7 INTERNATIONAL STANDARDS 29
1) SAFETY 29
2) EMC 29
3) ENVIRONMENT 29
8 PACKING 30
1) DESIGNATION OF LOT MARK 30
2) PACKING FORM 30
9 PRECAUTIONS 31
1) MOUNTING PRECAUTIONS 31
2) OPERATING PRECAUTIONS 31
3) ELECTROSTATIC DISCHARGE CONTROL 32
4) PRECAUTIONS FOR STRONG LIGHT EXPOSURE 32
5) STROAGE 32
6) HANDLING PRECAUTIONS FOR PROTECTION FILM 32
Ver.0.1 Jan. 6. 2011 2 / 32
LM215WF4
Liquid Crystal Display
Product Specification
Record of revisions
Revision
Date Page Description
No
Ver. 0.1 Jan. 6. 2011 - Preliminary Specifications
Ver.0.1 Jan. 6. 2011 3 / 32
LM215WF4
Liquid Crystal Display
Product Specification
1. General description
LM215WF4-TLE9 is a Color Active Matrix Liquid Crystal Display with an integral Light Emitting
Diode(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 21.5 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. In
combination with the vertical arrangement of the sub-pixels, the LM215WF4-TLE9 characteristics
provide an excellent flat panel display for office automation products such as monitors.
RGB
FIG. 1 Block diagram
Source driver circuit
S1 S1920
LVDS G1
pair #1
Timing
LVDS
controller
pair #2 TFT-LCD Panel
(1920