GB2420563A - Polymer film with twist pattern - Google Patents

Polymer film with twist pattern Download PDF

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Publication number
GB2420563A
GB2420563A GB0605259A GB0605259A GB2420563A GB 2420563 A GB2420563 A GB 2420563A GB 0605259 A GB0605259 A GB 0605259A GB 0605259 A GB0605259 A GB 0605259A GB 2420563 A GB2420563 A GB 2420563A
Authority
GB
United Kingdom
Prior art keywords
polymer film
twist pattern
pattern
liquid crystal
twist
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.)
Granted
Application number
GB0605259A
Other versions
GB0605259D0 (en
GB2420563B (en
Inventor
Richard Harding
Shirley Ann Marden
Mark Verrall
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.)
Merck Patent GmbH
Original Assignee
Merck Patent GmbH
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 Merck Patent GmbH filed Critical Merck Patent GmbH
Publication of GB0605259D0 publication Critical patent/GB0605259D0/en
Publication of GB2420563A publication Critical patent/GB2420563A/en
Application granted granted Critical
Publication of GB2420563B publication Critical patent/GB2420563B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • C09K19/00—Liquid crystal materials
    • C09K19/02—Liquid crystal materials characterised by optical, electrical or physical properties of the components, in general
    • 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
    • C09K19/00—Liquid crystal materials
    • C09K19/02—Liquid crystal materials characterised by optical, electrical or physical properties of the components, in general
    • C09K19/0208—Twisted Nematic (T.N.); Super Twisted Nematic (S.T.N.); Optical Mode Interference (O.M.I.)
    • 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
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/38—Polymers
    • 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
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/38—Polymers
    • C09K19/3804—Polymers with mesogenic groups in the main chain
    • 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
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/38—Polymers
    • C09K19/3833—Polymers with mesogenic groups in the side chain
    • 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
    • C09K2219/00—Aspects relating to the form of the liquid crystal [LC] material, or by the technical area in which LC material are used
    • C09K2219/03—Aspects relating to the form of the liquid crystal [LC] material, or by the technical area in which LC material are used in the form of films, e.g. films after polymerisation of LC precursor
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/13363—Birefringent elements, e.g. for optical compensation
    • G02F1/133631—Birefringent elements, e.g. for optical compensation with a spatial distribution of the retardation value

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Polarising Elements (AREA)
  • Liquid Crystal Substances (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)

Abstract

The invention relates to a polymer film comprising a polymerised chiral liquid crystal material with helically twisted structure having a pattern of regions with different twist, to methods of its preparation, and to its use in liquid crystal displays or other optical elements, components or devices.

Description

GB 2420563 A continuation (72) Inventor(s): Richard Harding Shirley Ann
Marden Mark Verrall (74) Agent and/or Address for Service: Venner Shipley LLP Little Britain, LONDON, EC1A 7DH, United Kingdom
GB0605259A 2003-08-26 2004-07-29 Polymer film with twist pattern Expired - Fee Related GB2420563B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP03019223 2003-08-26
PCT/EP2004/008478 WO2005019379A1 (en) 2003-08-26 2004-07-29 Polymer film with twist pattern

Publications (3)

Publication Number Publication Date
GB0605259D0 GB0605259D0 (en) 2006-04-26
GB2420563A true GB2420563A (en) 2006-05-31
GB2420563B GB2420563B (en) 2008-07-16

Family

ID=34203225

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0605259A Expired - Fee Related GB2420563B (en) 2003-08-26 2004-07-29 Polymer film with twist pattern

Country Status (4)

Country Link
JP (1) JP4727581B2 (en)
GB (1) GB2420563B (en)
TW (1) TW200513516A (en)
WO (1) WO2005019379A1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101325363B1 (en) * 2005-01-11 2013-11-20 메르크 파텐트 게엠베하 Polymerized liquid crystal film with low retardation
KR101356923B1 (en) * 2005-04-14 2014-01-28 메르크 파텐트 게엠베하 Cholesteric film and homeotropic alignment layer
JP2007262288A (en) * 2006-03-29 2007-10-11 Dainippon Ink & Chem Inc Polymerizable liquid crystal composition
JP5354238B2 (en) * 2006-05-31 2013-11-27 Ｄｉｃ株式会社 Polymerizable liquid crystal composition
WO2008001817A1 (en) * 2006-06-27 2008-01-03 Asahi Glass Company, Limited Liquid crystal composition, liquid crystal optical element, and method for manufacturing liquid crystal optical element
JP5927621B2 (en) 2010-11-10 2016-06-01 エルジー・ケム・リミテッド Optical element
JP2012162742A (en) * 2012-05-21 2012-08-30 Dic Corp Polymerizable liquid crystal composition
WO2014157081A1 (en) * 2013-03-25 2014-10-02 富士フイルム株式会社 Retarder, circular polarizer, and 3d-image display device
WO2014157102A1 (en) * 2013-03-25 2014-10-02 富士フイルム株式会社 Retarder, circular polarizer, and 3d-image display device
WO2015184624A1 (en) 2014-06-05 2015-12-10 East China University Of Science And Technology Photo-tunable liquid crystal compositions and methods for their fabrication and use
WO2019013284A1 (en) * 2017-07-12 2019-01-17 富士フイルム株式会社 Liquid crystal composition, production method of reflective layer, reflective layer, cured product, and optically anisotropic body
EP3770656A4 (en) * 2018-03-23 2021-06-02 FUJIFILM Corporation Cholesteric liquid crystal layer production method, cholesteric liquid crystal layer, liquid crystal composition, cured product, optically anisotropic body, and reflective layer
JP6985501B2 (en) * 2018-03-29 2021-12-22 富士フイルム株式会社 Optical elements, light guide elements and image display devices
JP6980901B2 (en) * 2018-03-29 2021-12-15 富士フイルム株式会社 Optical elements, light guide elements and image display devices
WO2020066910A1 (en) * 2018-09-28 2020-04-02 富士フイルム株式会社 Layered body production method and optical member production method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998057223A1 (en) * 1997-06-11 1998-12-17 Koninklijke Philips Electronics N.V. Multi-domain liquid-crystal display device
GB2330360A (en) * 1997-09-17 1999-04-21 Merck Patent Gmbh Polymer film
WO2002073301A2 (en) * 2001-03-13 2002-09-19 Merck Patent Gmbh Combination of optical films comprising a twisted a-plate and a polarizer
EP1295929A2 (en) * 2001-09-25 2003-03-26 MERCK PATENT GmbH Anisotropic polymer film

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08292432A (en) * 1995-04-20 1996-11-05 Nippon Oil Co Ltd Production of optical film
ATE420150T1 (en) * 2001-09-25 2009-01-15 Merck Patent Gmbh ANISOTROPIC POLYMER FILM

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998057223A1 (en) * 1997-06-11 1998-12-17 Koninklijke Philips Electronics N.V. Multi-domain liquid-crystal display device
GB2330360A (en) * 1997-09-17 1999-04-21 Merck Patent Gmbh Polymer film
WO2002073301A2 (en) * 2001-03-13 2002-09-19 Merck Patent Gmbh Combination of optical films comprising a twisted a-plate and a polarizer
EP1295929A2 (en) * 2001-09-25 2003-03-26 MERCK PATENT GmbH Anisotropic polymer film

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
VAN DE WITTE; "Modification of the twist angle in chiral nematic polymer films by photoisomerization of the chiral dopant"; Journal of Applied Physics, American Institute of Physics; vol.85; 11; 1999; 7517-7521; XP012046372 *

Also Published As

Publication number Publication date
TW200513516A (en) 2005-04-16
JP2007504484A (en) 2007-03-01
JP4727581B2 (en) 2011-07-20
GB0605259D0 (en) 2006-04-26
WO2005019379A1 (en) 2005-03-03
GB2420563B (en) 2008-07-16

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20130729