CA2433747A1 - Polyimide lcd alignment layers - Google Patents

Polyimide lcd alignment layers Download PDF

Info

Publication number
CA2433747A1
CA2433747A1 CA002433747A CA2433747A CA2433747A1 CA 2433747 A1 CA2433747 A1 CA 2433747A1 CA 002433747 A CA002433747 A CA 002433747A CA 2433747 A CA2433747 A CA 2433747A CA 2433747 A1 CA2433747 A1 CA 2433747A1
Authority
CA
Canada
Prior art keywords
group
polyimide
diamine
dianhydride
alignment layer
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.)
Abandoned
Application number
CA002433747A
Other languages
English (en)
French (fr)
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
Individual
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 Individual filed Critical Individual
Publication of CA2433747A1 publication Critical patent/CA2433747A1/en
Abandoned 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

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Liquid Crystal (AREA)
CA002433747A 2001-01-02 2002-01-02 Polyimide lcd alignment layers Abandoned CA2433747A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US25923501P 2001-01-02 2001-01-02
US60/259,235 2001-01-02
PCT/US2002/000058 WO2002054140A2 (en) 2001-01-02 2002-01-02 Polyimide lcd alignment layers

Publications (1)

Publication Number Publication Date
CA2433747A1 true CA2433747A1 (en) 2002-07-11

Family

ID=22984117

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002433747A Abandoned CA2433747A1 (en) 2001-01-02 2002-01-02 Polyimide lcd alignment layers

Country Status (5)

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

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 (de) 2002-07-30 2004-02-04 Rolic AG Photoaktive Materialien
KR101613629B1 (ko) 2009-01-19 2016-04-20 삼성디스플레이 주식회사 액정표시장치와 이의 제조방법 및 이에 포함되는 배향막 조성물
KR20120022935A (ko) * 2009-04-14 2012-03-12 라헤짜르 코미토프 Ｌｃｄ 배향막용 조성물
KR101829501B1 (ko) * 2011-05-26 2018-02-14 닛산 가가쿠 고교 가부시키 가이샤 액정 배향 처리제 및 그것을 사용한 액정 표시 소자
JP6138102B2 (ja) * 2014-11-04 2017-05-31 コミトブ，ラヒェザー Ｌｃｄ配向層のための組成物
CN107573950B (zh) * 2017-08-25 2019-09-03 中节能万润股份有限公司 一种液晶取向剂、液晶取向膜以及液晶显示元件

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06240137A (ja) * 1991-04-02 1994-08-30 Hitachi Ltd ポリイミド前駆体組成物とその製法並びに該前駆体を用いた電子装置
JPH04318814A (ja) * 1991-04-18 1992-11-10 Seiko Epson Corp 液晶組成物
US5644416A (en) * 1991-11-26 1997-07-01 Fuji Xerox Co., Ltd. Light modulation device and method of light modulation using the same
JPH0812757A (ja) * 1994-07-01 1996-01-16 Chisso Corp メソゲン基を有するポリイミド
US5693379A (en) * 1994-10-20 1997-12-02 Chisso Corporation Polyimide
JPH09152501A (ja) * 1995-09-27 1997-06-10 Fuji Xerox Co Ltd 光学素子およびその製造方法、並びに光学素子用高分子液晶組成物

Also Published As

Publication number Publication date
AU2002237753A1 (en) 2002-07-16
EP1366107A2 (de) 2003-12-03
WO2002054140A3 (en) 2002-10-03
WO2002054140A2 (en) 2002-07-11
JP2004524393A (ja) 2004-08-12
EP1366107A4 (de) 2004-05-12

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued