GB2255570B - Polarizing film and dichroic dyestuffs therefor - Google Patents
Polarizing film and dichroic dyestuffs thereforInfo
- Publication number
- GB2255570B GB2255570B GB9209764A GB9209764A GB2255570B GB 2255570 B GB2255570 B GB 2255570B GB 9209764 A GB9209764 A GB 9209764A GB 9209764 A GB9209764 A GB 9209764A GB 2255570 B GB2255570 B GB 2255570B
- 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.)
- Expired - Fee Related
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)
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 GB9209764D0 (en) | 1992-06-17 |
GB2255570A GB2255570A (en) | 1992-11-11 |
GB2255570B true 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)
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 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4116861A (en) * | 1977-08-18 | 1978-09-26 | General Electric Company | Dichroic liquid crystal compositions |
US4128497A (en) * | 1976-09-09 | 1978-12-05 | General Electric Company | Dichroic liquid crystal compositions |
DE3007259A1 (en) * | 1979-02-28 | 1980-09-11 | Gen Electric | LIQUID CRYSTAL COMPOSITION |
EP0098522A2 (en) * | 1982-06-30 | 1984-01-18 | Hitachi, Ltd. | Liquid crystal composition |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4179395A (en) * | 1976-09-09 | 1979-12-18 | General Electric Company | Dichroic dyes having a plurality of azo bonding groups |
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 |
-
1991
- 1991-05-08 JP JP3102871A patent/JPH04333002A/en active Pending
-
1992
- 1992-04-29 DE DE4214025A patent/DE4214025A1/en not_active Withdrawn
- 1992-05-04 CH CH1427/92A patent/CH683644A5/en not_active IP Right Cessation
- 1992-05-06 GB GB9209764A patent/GB2255570B/en not_active Expired - Fee Related
- 1992-05-07 FR FR9205657A patent/FR2676285B1/en not_active Expired - Fee Related
- 1992-05-08 IT ITRM920346A patent/IT1254356B/en active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4128497A (en) * | 1976-09-09 | 1978-12-05 | General Electric Company | Dichroic liquid crystal compositions |
US4116861A (en) * | 1977-08-18 | 1978-09-26 | General Electric Company | Dichroic liquid crystal compositions |
DE3007259A1 (en) * | 1979-02-28 | 1980-09-11 | Gen Electric | LIQUID CRYSTAL COMPOSITION |
EP0098522A2 (en) * | 1982-06-30 | 1984-01-18 | Hitachi, Ltd. | Liquid crystal composition |
Non-Patent Citations (2)
Title |
---|
CA 114 (18): 166332g * |
CA 95 (16): 14195n * |
Also Published As
Publication number | Publication date |
---|---|
FR2676285B1 (en) | 1993-11-05 |
CH683644A5 (en) | 1994-04-15 |
IT1254356B (en) | 1995-09-14 |
FR2676285A1 (en) | 1992-11-13 |
DE4214025A1 (en) | 1992-11-12 |
GB9209764D0 (en) | 1992-06-17 |
ITRM920346A1 (en) | 1993-11-08 |
JPH04333002A (en) | 1992-11-20 |
GB2255570A (en) | 1992-11-11 |
ITRM920346A0 (en) | 1992-05-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19960506 |