IT1273573B - Film di allineamento di cristalli liquidi e dispositivo di visualizzazione a cristalli liquidi che lo utilizza - Google Patents

Film di allineamento di cristalli liquidi e dispositivo di visualizzazione a cristalli liquidi che lo utilizza

Info

Publication number
IT1273573B
IT1273573B ITMI950781A IT1273573B IT 1273573 B IT1273573 B IT 1273573B IT MI950781 A ITMI950781 A IT MI950781A IT 1273573 B IT1273573 B IT 1273573B
Authority
IT
Italy
Prior art keywords
liquid crystal
display device
alignment film
crystal display
crystal alignment
Prior art date
Application number
Other languages
English (en)
Inventor
Yukino Abe
Shizuo Murata
Original Assignee
Chisso Corp
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 Chisso Corp filed Critical Chisso Corp
Publication of ITMI950781A0 publication Critical patent/ITMI950781A0/it
Publication of ITMI950781A1 publication Critical patent/ITMI950781A1/it
Application granted granted Critical
Publication of IT1273573B publication Critical patent/IT1273573B/it

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
    • C08G73/1046—Polyimides containing oxygen in the form of ether bonds in the main chain
    • C08G73/105—Polyimides containing oxygen in the form of ether bonds in the main chain with oxygen only in the diamino moiety
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • 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
    • G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/139—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
    • G02F1/1396—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent the liquid crystal being selectively controlled between a twisted state and a non-twisted state, e.g. TN-LC cell
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2379/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2361/00 - C08J2377/00
    • C08J2379/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
    • C08J2379/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
    • C09K2323/02—Alignment layer characterised by chemical composition
    • C09K2323/025—Polyamide
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
    • C09K2323/02—Alignment layer characterised by chemical composition
    • C09K2323/027—Polyimide
    • C09K2323/0271—Polyimidfluoride
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31721—Of polyimide

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Materials Engineering (AREA)
  • Liquid Crystal (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
IT95MI000781 1994-04-18 1995-04-14 Film di allineamento di cristalli liquidi e dispositivo di visualizzazione a cristalli liquidi che lo utilizza IT1273573B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10480794A JPH07287237A (ja) 1994-04-18 1994-04-18 液晶配向膜およびそれを用いた液晶表示素子

Publications (3)

Publication Number Publication Date
ITMI950781A0 ITMI950781A0 (it) 1995-04-14
ITMI950781A1 ITMI950781A1 (it) 1996-10-14
IT1273573B true IT1273573B (it) 1997-07-08

Family

ID=14390700

Family Applications (1)

Application Number Title Priority Date Filing Date
IT95MI000781 IT1273573B (it) 1994-04-18 1995-04-14 Film di allineamento di cristalli liquidi e dispositivo di visualizzazione a cristalli liquidi che lo utilizza

Country Status (5)

Country Link
US (1) US5674575A (it)
JP (1) JPH07287237A (it)
KR (1) KR0144607B1 (it)
DE (1) DE19514348C2 (it)
IT (1) IT1273573B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW320629B (it) * 1994-10-20 1997-11-21 Chisso Corp
JP3978754B2 (ja) * 1997-12-29 2007-09-19 チッソ株式会社 ポリアミド酸組成物、液晶配向膜、及び液晶表示素子
US6309508B1 (en) * 1998-01-15 2001-10-30 3M Innovative Properties Company Spinning disk evaporator
US20030072689A1 (en) * 2001-08-15 2003-04-17 Third Wave Technologies, Inc. Polymer synthesizer
JP2002258287A (ja) * 2001-03-06 2002-09-11 Hitachi Ltd 液晶表示装置
JP4200376B2 (ja) * 2004-02-17 2008-12-24 信越化学工業株式会社 フレキシブル金属箔ポリイミド積層板及びその製造方法
KR101046926B1 (ko) * 2004-08-12 2011-07-06 삼성전자주식회사 액정표시장치의 액정 배향막용 조성물
JP4894237B2 (ja) * 2005-11-17 2012-03-14 Ｊｎｃ株式会社 液晶配向剤及び液晶表示素子
JP5492516B2 (ja) * 2009-10-01 2014-05-14 株式会社ジャパンディスプレイ 液晶表示装置
JP6494844B1 (ja) * 2017-10-31 2019-04-03 住友化学株式会社 樹脂フィルムの製造方法および微小キズが少ない樹脂フィルム

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5510180B2 (it) * 1974-12-04 1980-03-14
US4367924A (en) * 1980-01-08 1983-01-11 Clark Noel A Chiral smectic C or H liquid crystal electro-optical device
JPH06100755B2 (ja) * 1986-06-18 1994-12-12 日産化学工業株式会社 液晶セル用配向処理剤
US5186985A (en) * 1991-04-04 1993-02-16 E. I. Du Pont De Nemours And Company Liquid crystal displays of high tilt bias angles
JP3097702B2 (ja) * 1991-08-13 2000-10-10 日産化学工業株式会社 新規な液晶配向処理剤
JPH05165960A (ja) * 1991-12-18 1993-07-02 Sekisui Chem Co Ltd 均一粒状物質の個数判定法
US5344916A (en) * 1993-04-21 1994-09-06 The University Of Akron Negative birefringent polyimide films

Also Published As

Publication number Publication date
ITMI950781A0 (it) 1995-04-14
JPH07287237A (ja) 1995-10-31
DE19514348C2 (de) 1997-03-06
KR950029818A (ko) 1995-11-24
US5674575A (en) 1997-10-07
KR0144607B1 (ko) 1998-07-15
ITMI950781A1 (it) 1996-10-14
DE19514348A1 (de) 1995-10-26

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