GB2357291B - Process of preparing a reflective film - Google Patents

Process of preparing a reflective film

Info

Publication number
GB2357291B
GB2357291B GB0029376A GB0029376A GB2357291B GB 2357291 B GB2357291 B GB 2357291B GB 0029376 A GB0029376 A GB 0029376A GB 0029376 A GB0029376 A GB 0029376A GB 2357291 B GB2357291 B GB 2357291B
Authority
GB
United Kingdom
Prior art keywords
preparing
reflective film
reflective
film
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.)
Expired - Fee Related
Application number
GB0029376A
Other versions
GB2357291A (en
GB0029376D0 (en
Inventor
Shirley Ann Marden
Kim Slaney
Mark Andrew 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 GB0029376D0 publication Critical patent/GB0029376D0/en
Publication of GB2357291A publication Critical patent/GB2357291A/en
Application granted granted Critical
Publication of GB2357291B publication Critical patent/GB2357291B/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
    • C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
    • C09K19/60—Pleochroic dyes
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3016—Polarising elements involving passive liquid crystal elements
    • 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
    • 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/34—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 reflector
    • G02F2201/343—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 reflector cholesteric liquid crystal reflector

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Polarising Elements (AREA)
  • Liquid Crystal Substances (AREA)
GB0029376A 1999-12-14 2000-12-01 Process of preparing a reflective film Expired - Fee Related GB2357291B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99124834 1999-12-14

Publications (3)

Publication Number Publication Date
GB0029376D0 GB0029376D0 (en) 2001-01-17
GB2357291A GB2357291A (en) 2001-06-20
GB2357291B true GB2357291B (en) 2004-03-17

Family

ID=8239593

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0029376A Expired - Fee Related GB2357291B (en) 1999-12-14 2000-12-01 Process of preparing a reflective film

Country Status (1)

Country Link
GB (1) GB2357291B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1201726A3 (en) * 2000-09-19 2002-12-04 MERCK PATENT GmbH Polymer beads
US6913708B2 (en) 2003-02-24 2005-07-05 3M Innovative Properties Company Cholesteric liquid crystal drying process and solvent
US7029729B2 (en) 2003-02-24 2006-04-18 3M Innovative Properties Company Cholesteric liquid crystal additives
US7068344B2 (en) 2003-02-24 2006-06-27 3M Innovative Properties Company Cholesteric liquid crystal optical bodies and methods of manufacture and use
US7160586B2 (en) 2003-08-29 2007-01-09 3M Innovative Properties Company Cholesteric liquid crystal copolymers and additives
EP1669431B1 (en) * 2004-12-07 2008-05-07 MERCK PATENT GmbH Polymerizable liquid crystal formulation and polarizer
JP4946151B2 (en) * 2005-06-10 2012-06-06 Ｊｎｃ株式会社 Polymerizable liquid crystal composition

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2285991A (en) * 1994-01-27 1995-08-02 Merck Patent Gmbh Polymeric liquid crystalline based composite material with thermally effected variable UV-transmittance
WO1997035219A1 (en) * 1996-03-19 1997-09-25 Merck Patent Gmbh Liquid crystal display device
GB2315073A (en) * 1996-07-04 1998-01-21 Patent Gmbh Merck Linear UV polariser
GB2315760A (en) * 1996-07-25 1998-02-11 Merck Patent Gmbh Thermochromic polymerizable mesogenic composition containing both chiral & achiral polymerizable mesogenic compounds & a photoinitiator, & polymers therefrom
GB2329900A (en) * 1997-09-17 1999-04-07 Merck Patent Gmbh Broadband reflective polarizer
GB2330360A (en) * 1997-09-17 1999-04-21 Merck Patent Gmbh Polymer film
EP0982605A1 (en) * 1998-08-26 2000-03-01 MERCK PATENT GmbH Reflective film

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2285991A (en) * 1994-01-27 1995-08-02 Merck Patent Gmbh Polymeric liquid crystalline based composite material with thermally effected variable UV-transmittance
WO1997035219A1 (en) * 1996-03-19 1997-09-25 Merck Patent Gmbh Liquid crystal display device
GB2315073A (en) * 1996-07-04 1998-01-21 Patent Gmbh Merck Linear UV polariser
GB2315760A (en) * 1996-07-25 1998-02-11 Merck Patent Gmbh Thermochromic polymerizable mesogenic composition containing both chiral & achiral polymerizable mesogenic compounds & a photoinitiator, & polymers therefrom
GB2329900A (en) * 1997-09-17 1999-04-07 Merck Patent Gmbh Broadband reflective polarizer
GB2330360A (en) * 1997-09-17 1999-04-21 Merck Patent Gmbh Polymer film
EP0982605A1 (en) * 1998-08-26 2000-03-01 MERCK PATENT GmbH Reflective film

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Polym. Prepr. (Am. Chem. Soc. Div, Polym. Chem.), 1999, 40(1), 534-535, Brehmer et al *

Also Published As

Publication number Publication date
GB2357291A (en) 2001-06-20
GB0029376D0 (en) 2001-01-17

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Legal Events

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

Effective date: 20191201