DE68916683D1 - Transparenter doppelbrechender Film und Verfahren zur Herstellung desselben. - Google Patents
Transparenter doppelbrechender Film und Verfahren zur Herstellung desselben.Info
- Publication number
- DE68916683D1 DE68916683D1 DE68916683T DE68916683T DE68916683D1 DE 68916683 D1 DE68916683 D1 DE 68916683D1 DE 68916683 T DE68916683 T DE 68916683T DE 68916683 T DE68916683 T DE 68916683T DE 68916683 D1 DE68916683 D1 DE 68916683D1
- Authority
- DE
- Germany
- Prior art keywords
- making
- same
- birefringent film
- transparent birefringent
- transparent
- 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
-
- 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
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3083—Birefringent or phase retarding elements
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Polarising Elements (AREA)
- Polyesters Or Polycarbonates (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63101107A JP2968531B2 (ja) | 1988-04-22 | 1988-04-22 | 複屈折性を有する透明フィルム及びその製造方法 |
JP101107/88 | 1988-04-22 |
Publications (3)
Publication Number | Publication Date |
---|---|
DE68916683D1 true DE68916683D1 (de) | 1994-08-18 |
DE68916683T2 DE68916683T2 (de) | 1994-11-03 |
DE68916683T3 DE68916683T3 (de) | 2004-09-30 |
Family
ID=14291851
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68916683T Expired - Fee Related DE68916683T3 (de) | 1988-04-22 | 1989-04-21 | Transparenter doppelbrechender Film und Verfahren zur Herstellung desselben. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4985531A (de) |
EP (1) | EP0338575B2 (de) |
JP (1) | JP2968531B2 (de) |
KR (1) | KR0133290B1 (de) |
DE (1) | DE68916683T3 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2988636B2 (ja) * | 1990-11-28 | 1999-12-13 | 鐘淵化学工業株式会社 | 光学等方性を有するポリアリレートフィルムおよびその製造方法 |
JP3051473B2 (ja) * | 1991-02-08 | 2000-06-12 | 鐘淵化学工業株式会社 | 透明導電性フィルム |
US5645766A (en) * | 1995-03-30 | 1997-07-08 | Teijin Limited | Film of aromatic polyethersulfone process for the production thereof and solution composition for the production thereof |
EP0735079B1 (de) * | 1995-03-31 | 2001-05-16 | Teijin Limited | Folie aus einem aromatischen Polyethersulfon, Verfahren zu ihrer Herstellung und Lösungszusammensetzung zu ihrer Herstellung |
JPH10332938A (ja) * | 1998-06-05 | 1998-12-18 | Kanegafuchi Chem Ind Co Ltd | 複屈折性を有する透明フィルム及びその製造方法 |
JP3719374B2 (ja) * | 2000-07-14 | 2005-11-24 | シャープ株式会社 | 偏光素子の製造方法 |
JP2002275290A (ja) * | 2002-03-07 | 2002-09-25 | Kanegafuchi Chem Ind Co Ltd | 耐熱透明フィルム |
US20070154654A1 (en) * | 2005-12-29 | 2007-07-05 | Eastman Kodak Company | Optical compensator film with controlled birefringence dispersion |
JP2008169384A (ja) * | 2006-12-14 | 2008-07-24 | Kaneka Corp | コーティング用樹脂、光学補償用薄膜、光学補償用積層体、光学補償用偏光板、及び液晶表示装置。 |
US7943219B2 (en) * | 2007-03-23 | 2011-05-17 | Kimberly-Clark Worldwide, Inc. | Films and articles with reversible opacity change upon stretching, and methods of making and using same |
TWI354127B (en) * | 2007-11-08 | 2011-12-11 | Ind Tech Res Inst | Optical film with low or zero birefringence and me |
JP5471249B2 (ja) * | 2009-02-06 | 2014-04-16 | 大日本印刷株式会社 | 偏光板保護フィルム、偏光板、および液晶表示装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2928295A (en) * | 1955-04-22 | 1960-03-15 | Boulanger Etienne | Variable speed transmission device |
CA1017097A (en) * | 1962-11-06 | 1977-09-06 | Imperial Chemical Industries Limited | Manufacture of polysulphones |
JPS56130703A (en) * | 1980-03-18 | 1981-10-13 | Toyobo Co Ltd | Quarter wavelength film |
JPS5762011A (en) † | 1980-09-30 | 1982-04-14 | Nitto Electric Ind Co Ltd | Polarizing plate |
JPS5730808A (en) † | 1980-07-31 | 1982-02-19 | Nitto Electric Ind Co Ltd | Polarizing plate |
JPS62135338A (ja) * | 1985-12-09 | 1987-06-18 | Diafoil Co Ltd | 液晶パネル基板用ポリエチレンナフタレ−ト一軸高配向フイルム |
CA1307151C (en) * | 1987-02-02 | 1992-09-08 | Shuji Kitamura | Phase retarder |
EP0297841B1 (de) † | 1987-06-30 | 1993-09-22 | Sumitomo Chemical Company, Limited | Phasenverzögernde Polymerfilme und polarisierende Bauteile |
JP2686751B2 (ja) * | 1987-11-12 | 1997-12-08 | 藤森工業 株式会社 | 光学的位相機能を有する積層体 |
US4942087A (en) * | 1987-12-28 | 1990-07-17 | Mitsui Petrochemical Industries, Ltd. | Films of wholly aromatic polyester and processes for preparation thereof |
JPH01201607A (ja) * | 1988-02-08 | 1989-08-14 | Fuji Photo Film Co Ltd | 位相差フイルムの製造方法 |
JPH01201608A (ja) * | 1988-02-08 | 1989-08-14 | Fuji Photo Film Co Ltd | 位相差フイルムの製造方法 |
JPH04112190A (ja) † | 1990-07-17 | 1992-04-14 | Kobe Steel Ltd | 旋回式クレーン |
-
1988
- 1988-04-22 JP JP63101107A patent/JP2968531B2/ja not_active Expired - Fee Related
-
1989
- 1989-04-20 US US07/341,987 patent/US4985531A/en not_active Expired - Lifetime
- 1989-04-21 KR KR1019890005258A patent/KR0133290B1/ko not_active IP Right Cessation
- 1989-04-21 DE DE68916683T patent/DE68916683T3/de not_active Expired - Fee Related
- 1989-04-21 EP EP89107208A patent/EP0338575B2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR900016325A (ko) | 1990-11-13 |
EP0338575A3 (en) | 1990-05-23 |
DE68916683T3 (de) | 2004-09-30 |
JP2968531B2 (ja) | 1999-10-25 |
EP0338575B2 (de) | 2004-01-07 |
EP0338575B1 (de) | 1994-07-13 |
DE68916683T2 (de) | 1994-11-03 |
US4985531A (en) | 1991-01-15 |
JPH01270004A (ja) | 1989-10-27 |
KR0133290B1 (ko) | 1998-04-13 |
EP0338575A2 (de) | 1989-10-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8366 | Restricted maintained after opposition proceedings | ||
8339 | Ceased/non-payment of the annual fee |