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Approval
TO : Lenovo
DATE : Oct 20. 2004
SAMSUNG TFT-LCD
SAMSUNG TFT-LCD
MODEL NO. :: LTN121XA-L01
MODEL NO. LTN121XA-L01
[ Lead free product ]
Notes :
Any Modification of Spec is not allowed without SEC' permission
APPROVED BY :
PREPARED BY : LCD Application Engineering Group, LCD Business
SAMSUNG ELECTRONICS CO., LTD.
Doc.No. LTN121XA-L01 Rev.No 04 - A05 -G - 041020 Page 1 / 27
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Approval
CONTENTS
Revision History -------------------( 3 )
General Description -------------------( 4 )
1. Absolute Maximum Ratings -------------------( 5 )
1.1 Absolute Ratings Of Environment
1.2 Electrical Absolute Ratings
2. Optical Characteristics -------------------( 7 )
3. Electrical Characteristics - - - - - - - - - - - - - - - - - - - ( 10 )
3.1 TFT LCD Module
3.2 Back-light Unit
4. Block Diagram - - - - - - - - - - - - - - - - - - - ( 13 )
4.1 TFT LCD Module
4.2 Back-light Unit
5. Input Terminal Pin Assignment - - - - - - - - - - - - - - - - - - - ( 14 )
5.1 Input Signal & Power
5.2 LVDS Interface
5.3 Back-light Unit
5.4 Timing Diagrams of LVDS For Transmitting
5.5 Input Signals, Basic Display Colors and Gray Scale of Each Color.
5.6 Pixel format
6. Interface Timing - - - - - - - - - - - - - - - - - - - ( 19 )
6.1 Timing Parameters
6.2 Timing Diagrams of interface Signal
6.3 Power ON/OFF Sequence
7. Outline Dimension - - - - - - - - - - - - - - - - - - - ( 21 )
8. PACKING - - - - - - - - - - - - - - - - - - - ( 22 )
9. Marking & Others - - - - - - - - - - - - - - - - - - - ( 23 )
10. General Precautions - - - - - - - - - - - - - - - - - - - ( 25 )
Doc.No. LTN121XA-L01 Rev.No 04 - A05 -G - 041020 Page 2 / 27
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Revision History Approval
Revision History
Date Rev.No. Page Summary
June,2 ,2003 P00 All LTN121XA-L01 MODEL IS FIRST ISSUED.
Sep.23,2003 P01 7 - Insert RGB Colors coordinates.
21 - Removed the edge of rib in Mold Frame
23 - Product Label Revision(IBM P/N, FRU P/N, EC NO, Header Code)
Oct.17,2003 A00 All - Revised to approval version
Oct,30,2003 A01 7 - Changed 5P brightness spec from 110nits to 112nits.
10 - Revision of power consumption specification @Vdd=3.3 V
White : Typ 330mA Typ 270mA
Mosaic : Typ 360mA Typ 300mA
Win 98 : Typ 360mA Typ 330mA
Max(1Dort) : Max 360mA
12 - Changed Open voltage specification from 1420Vrms to 1400Vrms
21 - Change of wire tape length from 42mm To Typ27mm
Nov.13,2003 A02 23 - IBM P/N correction: 92P6686
- FRU P/N correction: 92P6685
Apr. 7,2004 A03 22 - PCB cover changed for improvement of white spot
24 - Product label revision by implementation of new cushion
. SEC Revision code : 000 001
. IBM P/N : 92P6686 92P6729
. FRU P/N : 92P6685 92P6728
. EC NO : J17690 the same code
. H/C : 1Z8DZ 1Z9D9
May 6,2004 24 - ECR approved (Vcst signal change from Vcom to Voff)
. SEC Revision code : 001 002
. IBM P/N : 92P6729 the same code
. FRU P/N : 92P6728 the same code
. EC NO : J17690 J17696
. H/C : 1Z9D9 1Z9EF
May 24,2004 24 - ECR approved (C/F vendor change from ACTI to SEC)
. SEC Revision code : 002 the same code
. IBM P/N : 92P6729 the same code
. FRU P/N : 92P6728 the same code
. EC NO : J17696 the same code
. H/C : 1Z9EF 1Z9J6
Doc.No. LTN121XA-L01 Rev.No 04 - A05 -G - 041020 Page 3 / 27
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Revision History Approval
Revision History
Date Rev.No. Page Summary
May 25 ,2003 A03 22 -ECR Approval
- Position change of product label to prevent from overlapping new cushion
Sep 21,2004 A04 24 -ECR approved for improvement of clicking noise issue
. SEC Revision code : 003
. IBM P/N : 92P6729 the same code
. FRU P/N : 92P6728 the same code
. EC NO : J17696 the same code
. H/C : 1Z9XP
Oct 20,2004 A05 24 - ECR issue : Component change for lead-free product
. SEC Revision code : 004
. IBM P/N : 92P6755
. FRU P/N : 92P6754
. EC NO : Blank
. H/C : 1Z9YV
-Change of power sequence spec by IBM's request
0< T3 < 50ms 0 < T3
400ms < T4 150ms < T4
200ms < T6 0 < T6
Doc.No. LTN121XA-L01 Rev.No 04 - A05 -G - 041020 Page 4 / 27
SEC Secret
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Approval
GENERAL DESCRIPTION
DESCRIPTION
LTN121XA-L01 is a color active matrix TFT (Thin Film Transistor) liquid crystal display
(LCD)that uses amorphous silicon TFT as a switching devices. This model is composed
of a TFTLCD panel, a driver circuit and a back-light system. The resolution of
a 12.1 contains 1024 x 768 pixels and can display up to 262,144colors.
6 o'clock direction is the optimum viewing angle.
FEATURES
