HK100094A - Polycarbonate films effective as optical phase retarders - Google Patents

Polycarbonate films effective as optical phase retarders

Info

Publication number
HK100094A
HK100094A HK100094A HK100094A HK100094A HK 100094 A HK100094 A HK 100094A HK 100094 A HK100094 A HK 100094A HK 100094 A HK100094 A HK 100094A HK 100094 A HK100094 A HK 100094A
Authority
HK
Hong Kong
Prior art keywords
optical phase
polycarbonate films
phase retarders
films effective
effective
Prior art date
Application number
HK100094A
Other languages
English (en)
Inventor
Shuji Kitamura
Kimishiga Nakamura
Toyokazu Okada
Kazuaki Sakakura
Hitoshi Kikui
Original Assignee
Sumitomo Chemical Co
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
Priority claimed from JP62022985A external-priority patent/JPS63189804A/ja
Priority claimed from JP62097014A external-priority patent/JPS63261302A/ja
Application filed by Sumitomo Chemical Co filed Critical Sumitomo Chemical Co
Publication of HK100094A publication Critical patent/HK100094A/xx

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/06—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the phase of light
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
    • 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
    • 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
    • C08J2369/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
    • 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
    • G02F2202/00—Materials and properties
    • G02F2202/40—Materials having a particular birefringence, retardation

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Polarising Elements (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
HK100094A 1987-02-02 1994-09-22 Polycarbonate films effective as optical phase retarders HK100094A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62022985A JPS63189804A (ja) 1987-02-02 1987-02-02 位相差板
JP62097014A JPS63261302A (ja) 1987-04-20 1987-04-20 位相差板

Publications (1)

Publication Number Publication Date
HK100094A true HK100094A (en) 1994-09-30

Family

ID=26360277

Family Applications (1)

Application Number Title Priority Date Filing Date
HK100094A HK100094A (en) 1987-02-02 1994-09-22 Polycarbonate films effective as optical phase retarders

Country Status (5)

Country Link
EP (1) EP0277804B1 (xx)
KR (1) KR970003759B1 (xx)
CA (1) CA1307151C (xx)
DE (1) DE3884417T2 (xx)
HK (1) HK100094A (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0297841B1 (en) * 1987-06-30 1993-09-22 Sumitomo Chemical Company, Limited Polymeric films effective as optical phase retarders and polarising assemblies
JP2968531B2 (ja) * 1988-04-22 1999-10-25 鐘淵化学工業株式会社 複屈折性を有する透明フィルム及びその製造方法
DE68913490T2 (de) * 1988-12-27 1994-07-07 Sumitomo Chemical Co Optischer Film.
US5244713A (en) * 1988-12-27 1993-09-14 Sumitomo Chemical Co., Ltd. Optical film
EP0571996A1 (en) * 1992-05-28 1993-12-01 Rohm Co., Ltd. Liquid crystal display device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD146859A1 (de) * 1979-11-30 1981-03-04 Ludwig Drechsel Achromatische phasenplatte aus organischem kunststoff und verfahren zu ihrer herstellung
JPS56125703A (en) * 1980-03-07 1981-10-02 Toyobo Co Ltd 1/4 wavelength film
JPS56130703A (en) * 1980-03-18 1981-10-13 Toyobo Co Ltd Quarter wavelength film
JPS56130701A (en) * 1980-03-18 1981-10-13 Toyobo Co Ltd Quarter wavelength film

Also Published As

Publication number Publication date
CA1307151C (en) 1992-09-08
KR880010339A (ko) 1988-10-08
EP0277804B1 (en) 1993-09-29
DE3884417D1 (de) 1993-11-04
EP0277804A3 (en) 1988-10-26
KR970003759B1 (ko) 1997-03-21
EP0277804A2 (en) 1988-08-10
DE3884417T2 (de) 1994-03-24

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)