EP1366107A4 - Polyimide lcd alignment layers - Google Patents

Polyimide lcd alignment layers

Info

Publication number
EP1366107A4
EP1366107A4 EP02704053A EP02704053A EP1366107A4 EP 1366107 A4 EP1366107 A4 EP 1366107A4 EP 02704053 A EP02704053 A EP 02704053A EP 02704053 A EP02704053 A EP 02704053A EP 1366107 A4 EP1366107 A4 EP 1366107A4
Authority
EP
European Patent Office
Prior art keywords
polyimide
alignment layers
lcd alignment
lcd
layers
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP02704053A
Other languages
German (de)
French (fr)
Other versions
EP1366107A2 (en
Inventor
Frank W Harris
Stephen Z D Cheng
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of Akron
Original Assignee
University of Akron
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by University of Akron filed Critical University of Akron
Publication of EP1366107A2 publication Critical patent/EP1366107A2/en
Publication of EP1366107A4 publication Critical patent/EP1366107A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133711—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films
    • G02F1/133723—Polyimide, polyamide-imide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
EP02704053A 2001-01-02 2002-01-02 Polyimide lcd alignment layers Withdrawn EP1366107A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US25923501P 2001-01-02 2001-01-02
US259235P 2001-01-02
PCT/US2002/000058 WO2002054140A2 (en) 2001-01-02 2002-01-02 Polyimide lcd alignment layers

Publications (2)

Publication Number Publication Date
EP1366107A2 EP1366107A2 (en) 2003-12-03
EP1366107A4 true EP1366107A4 (en) 2004-05-12

Family

ID=22984117

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02704053A Withdrawn EP1366107A4 (en) 2001-01-02 2002-01-02 Polyimide lcd alignment layers

Country Status (5)

Country Link
EP (1) EP1366107A4 (en)
JP (1) JP2004524393A (en)
AU (1) AU2002237753A1 (en)
CA (1) CA2433747A1 (en)
WO (1) WO2002054140A2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6870978B2 (en) 2001-10-16 2005-03-22 Ken Purchase Waveplate and optical circuit formed from mesogen-containing polymer
EP1386910A1 (en) 2002-07-30 2004-02-04 Rolic AG Photoactive materials
KR101613629B1 (en) 2009-01-19 2016-04-20 삼성디스플레이 주식회사 Liquid crystal display device, method of manufacturing the same and alignment layer composition
CN102439514B (en) * 2009-04-14 2015-12-16 拉谢扎·科米托夫 For the composition of LCD both alignment layers
CN103718090B (en) * 2011-05-26 2016-08-17 日产化学工业株式会社 Aligning agent for liquid crystal and use the liquid crystal display cells of this inorganic agent
JP6138102B2 (en) * 2014-11-04 2017-05-31 コミトブ，ラヒェザー Composition for LCD alignment layer
CN107573950B (en) * 2017-08-25 2019-09-03 中节能万润股份有限公司 A kind of aligning agent for liquid crystal, liquid crystal orientation film and liquid crystal display element

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5693379A (en) * 1994-10-20 1997-12-02 Chisso Corporation Polyimide

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06240137A (en) * 1991-04-02 1994-08-30 Hitachi Ltd Polyimide precursor composition and its production and electronic device using the same
JPH04318814A (en) * 1991-04-18 1992-11-10 Seiko Epson Corp Liquid crystal composition
US5644416A (en) * 1991-11-26 1997-07-01 Fuji Xerox Co., Ltd. Light modulation device and method of light modulation using the same
JPH0812757A (en) * 1994-07-01 1996-01-16 Chisso Corp Polyimide having mesogenic group
JPH09152501A (en) * 1995-09-27 1997-06-10 Fuji Xerox Co Ltd Optical element and its production as well as high-polymer liquid crystal composition for optical element

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5693379A (en) * 1994-10-20 1997-12-02 Chisso Corporation Polyimide

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 09 30 September 1996 (1996-09-30) *

Also Published As

Publication number Publication date
WO2002054140A3 (en) 2002-10-03
CA2433747A1 (en) 2002-07-11
WO2002054140A2 (en) 2002-07-11
AU2002237753A1 (en) 2002-07-16
EP1366107A2 (en) 2003-12-03
JP2004524393A (en) 2004-08-12

Similar Documents

Publication Publication Date Title
HK1051758A1 (en) Electronic apparatus with lcd
GB0102434D0 (en) Display devices
AU2002353483A8 (en) Display devices
GB2381932B (en) LCD supporting structure
EP1443487A4 (en) Crystal display device
TW531019U (en) Improved LCD seat
HK1105227A1 (en) Alignment film
GB0326977D0 (en) Flexible polyimide circuitsubstrates having predetermined slopedvias
EP1373863A4 (en) Atr crystal device
GB2389192B (en) Direct view reflective display apparatus
EP1366107A4 (en) Polyimide lcd alignment layers
GB2396437B (en) Alignment apparatus
SG105534A1 (en) Multilayered arrangement for electro-optical devices
GB0126417D0 (en) Crystal structure
GB0021447D0 (en) Lcd connection
NO20023391D0 (en) LCD device
AU2002351189A1 (en) Alignment device
GB0115987D0 (en) Liquid crystal alignment layer
GB0109788D0 (en) Photonic bad gap device
GB0124068D0 (en) Fluorescence-enhanced reflective LCD
GB0119860D0 (en) Crystal structure
GB0108736D0 (en) Crystal structure
GB0108867D0 (en) Crystal structure
GB0108289D0 (en) Crystal optimisation technique
GB0116144D0 (en) Alignment device

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20030718

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

A4 Supplementary search report drawn up and despatched

Effective date: 20040329

RIC1 Information provided on ipc code assigned before grant

Ipc: 7C 08G 69/00 B

Ipc: 7C 08G 73/00 B

Ipc: 7C 09K 19/00 B

Ipc: 7B 29C 41/00 B

Ipc: 7B 29C 39/00 B

Ipc: 7B 29D 7/00 B

Ipc: 7B 23B 27/00 B

Ipc: 7C 08G 69/26 B

Ipc: 7C 08G 73/10 A

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20140301