GB9209764D0 - Polarizing film and dichroic dyestuffs therefor - Google Patents

Polarizing film and dichroic dyestuffs therefor

Info

Publication number
GB9209764D0
GB9209764D0 GB929209764A GB9209764A GB9209764D0 GB 9209764 D0 GB9209764 D0 GB 9209764D0 GB 929209764 A GB929209764 A GB 929209764A GB 9209764 A GB9209764 A GB 9209764A GB 9209764 D0 GB9209764 D0 GB 9209764D0
Authority
GB
United Kingdom
Prior art keywords
therefor
polarizing film
dichroic dyestuffs
dyestuffs
dichroic
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
GB929209764A
Other versions
GB2255570A (en
GB2255570B (en
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.)
Sandoz AG
Original Assignee
Sandoz AG
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 Sandoz AG filed Critical Sandoz AG
Publication of GB9209764D0 publication Critical patent/GB9209764D0/en
Publication of GB2255570A publication Critical patent/GB2255570A/en
Application granted granted Critical
Publication of GB2255570B publication Critical patent/GB2255570B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/02—Disazo dyes
    • C09B35/039—Disazo dyes characterised by the tetrazo component
    • C09B35/205—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of a diaryl- or triaryl- alkane or-alkene
    • C09B35/215—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of a diaryl- or triaryl- alkane or-alkene of diarylethane or diarylethene
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/36—Trisazo dyes of the type
    • C09B35/362—D is benzene
    • 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
    • C09K19/601—Azoic

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Polarising Elements (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Liquid Crystal (AREA)
GB9209764A 1991-05-08 1992-05-06 Polarizing film and dichroic dyestuffs therefor Expired - Fee Related GB2255570B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3102871A JPH04333002A (en) 1991-05-08 1991-05-08 Polarization film and manufacture thereof

Publications (3)

Publication Number Publication Date
GB9209764D0 true GB9209764D0 (en) 1992-06-17
GB2255570A GB2255570A (en) 1992-11-11
GB2255570B GB2255570B (en) 1994-12-14

Family

ID=14338964

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9209764A Expired - Fee Related GB2255570B (en) 1991-05-08 1992-05-06 Polarizing film and dichroic dyestuffs therefor

Country Status (6)

Country Link
JP (1) JPH04333002A (en)
CH (1) CH683644A5 (en)
DE (1) DE4214025A1 (en)
FR (1) FR2676285B1 (en)
GB (1) GB2255570B (en)
IT (1) IT1254356B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2047643C1 (en) 1993-05-21 1995-11-10 Хан Ир Гвон Material for polarizing coating
JP3680323B2 (en) * 1993-10-14 2005-08-10 住友化学株式会社 Dye-type polarizing film
JP2009217012A (en) * 2008-03-11 2009-09-24 Osaka Prefecture Univ Polypropylene polarizing plate
US9194980B2 (en) * 2012-11-07 2015-11-24 Samsung Electronics Co., Ltd. Polarizing film and display device including the polarizing film
US9207359B2 (en) 2012-11-07 2015-12-08 Samsung Electronics Co., Ltd. Polarizing film and display device including the polarizing film

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4128497A (en) * 1976-09-09 1978-12-05 General Electric Company Dichroic liquid crystal compositions
US4179395A (en) * 1976-09-09 1979-12-18 General Electric Company Dichroic dyes having a plurality of azo bonding groups
US4116861A (en) * 1977-08-18 1978-09-26 General Electric Company Dichroic liquid crystal compositions
US4228030A (en) * 1979-02-28 1980-10-14 General Electric Company Liquid crystal compositions
EP0098522B1 (en) * 1982-06-30 1989-06-07 Hitachi, Ltd. Liquid crystal composition
US4842781A (en) * 1984-02-29 1989-06-27 Mitsui Toatsu Chemicals, Inc. Colored polarizing film and method of making same
JP2710630B2 (en) * 1988-06-30 1998-02-10 三菱化学株式会社 Polarizing film and method for producing the same

Also Published As

Publication number Publication date
FR2676285A1 (en) 1992-11-13
IT1254356B (en) 1995-09-14
ITRM920346A1 (en) 1993-11-08
ITRM920346A0 (en) 1992-05-08
JPH04333002A (en) 1992-11-20
CH683644A5 (en) 1994-04-15
GB2255570A (en) 1992-11-11
DE4214025A1 (en) 1992-11-12
FR2676285B1 (en) 1993-11-05
GB2255570B (en) 1994-12-14

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Legal Events

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

Effective date: 19960506