HK1000915A1 - Process for producing phase retarder from a thermoplastic resin film or sheet - Google Patents

Process for producing phase retarder from a thermoplastic resin film or sheet Download PDF

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Publication number
HK1000915A1
HK1000915A1 HK97102536A HK97102536A HK1000915A1 HK 1000915 A1 HK1000915 A1 HK 1000915A1 HK 97102536 A HK97102536 A HK 97102536A HK 97102536 A HK97102536 A HK 97102536A HK 1000915 A1 HK1000915 A1 HK 1000915A1
Authority
HK
Hong Kong
Prior art keywords
film
sheet
stretching axis
stretching
stretched
Prior art date
Application number
HK97102536A
Other languages
German (de)
English (en)
French (fr)
Chinese (zh)
Other versions
HK1000915B (en
Inventor
Morikawa Michitaka
Higashi Koji
Shindo Tadashi
Original Assignee
Sumitomo Chemical Company, Limited
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 Sumitomo Chemical Company, Limited filed Critical Sumitomo Chemical Company, Limited
Publication of HK1000915B publication Critical patent/HK1000915B/en
Publication of HK1000915A1 publication Critical patent/HK1000915A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/02—Thermal after-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
    • B29C61/02—Thermal shrinking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00—Producing flat articles, e.g. films or sheets
    • B29D7/01—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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2069/00—Use of PC, i.e. polycarbonates or derivatives thereof, as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
    • B29K2995/0026—Transparent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
    • B29K2995/0031—Refractive
    • B29K2995/0032—Birefringent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/71—Processes of shaping by shrinking

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Thermal Sciences (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Polarising Elements (AREA)
HK97102536A 1991-12-09 1997-12-20 Process for producing phase retarder from a thermoplastic resin film or sheet HK1000915A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP32464491 1991-12-09
JP324644/91 1991-12-09

Publications (2)

Publication Number Publication Date
HK1000915B HK1000915B (en) 1998-05-08
HK1000915A1 true HK1000915A1 (en) 1998-05-08

Family

ID=18168131

Family Applications (1)

Application Number Title Priority Date Filing Date
HK97102536A HK1000915A1 (en) 1991-12-09 1997-12-20 Process for producing phase retarder from a thermoplastic resin film or sheet

Country Status (7)

Country Link
US (1) US5366682A (enExample)
EP (1) EP0546748B1 (enExample)
CA (1) CA2084581A1 (enExample)
DE (1) DE69219571T2 (enExample)
HK (1) HK1000915A1 (enExample)
SG (1) SG54990A1 (enExample)
TW (1) TW222657B (enExample)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06300916A (ja) * 1993-04-12 1994-10-28 Sumitomo Chem Co Ltd 位相差フィルムの製造方法
US5478518A (en) * 1993-10-04 1995-12-26 Teijin Limited Polycarbonate film for optical purposes and a production process thereof
TW397928B (en) * 1993-12-22 2000-07-11 Sumitomo Chemical Co Process for prodoucing phase retarder film
TW388000B (en) * 1994-02-28 2000-04-21 Sumitomo Chemical Co Phase retarder film and process for producing same
TW327208B (en) * 1994-11-10 1998-02-21 Sumitomo Chemical Co Optically anisotropic film and process for producing the same and liquid crystal display device
US6165594A (en) 1998-01-15 2000-12-26 3M Innovative Properties Company Multilayer, temperature resistant, composite label
JP2004004150A (ja) * 2002-05-13 2004-01-08 Sumitomo Chem Co Ltd 積層位相差フィルム及びそれを用いた液晶表示装置
US20030215582A1 (en) * 2002-05-20 2003-11-20 Eastman Kodak Company Optical films prepared by coating methods
US7012746B2 (en) * 2002-05-20 2006-03-14 Eastman Kodak Company Polyvinyl butyral films prepared by coating methods
US20030215583A1 (en) * 2002-05-20 2003-11-20 Eastman Kodak Company Sulfone films prepared by coating methods
US7163738B2 (en) * 2002-05-20 2007-01-16 Eastman Kodak Company Polyvinyl alcohol films prepared by coating methods
US7048823B2 (en) * 2002-05-20 2006-05-23 Eastman Kodak Company Acrylic films prepared by coating methods
US7083752B2 (en) * 2002-05-20 2006-08-01 Eastman Kodak Company Cellulose acetate films prepared by coating methods
US20030215581A1 (en) 2002-05-20 2003-11-20 Eastman Kodak Company Polycarbonate films prepared by coating methods
US7125504B2 (en) * 2002-11-13 2006-10-24 Eastman Kodak Company Optical switch microfilms
US7405784B2 (en) 2003-02-12 2008-07-29 3M Innovative Properties Company Compensators for liquid crystal displays with biaxially stretched single film with crystallization modifier
US7132065B2 (en) 2003-02-12 2006-11-07 3M Innovative Properties Company Process for manufacturing polymeric optical film
US6965474B2 (en) 2003-02-12 2005-11-15 3M Innovative Properties Company Polymeric optical film
US7087682B2 (en) 2003-05-02 2006-08-08 General Electric Polymeric blends for optical devices and method of manufacture thereof
JP2005181450A (ja) * 2003-12-16 2005-07-07 Nitto Denko Corp 複屈折フィルムの製造方法、およびそれを用いた光学フィルムおよび画像表示装置
JP2006133720A (ja) * 2004-10-07 2006-05-25 Nitto Denko Corp 複屈折フィルムの製造方法、およびそれを用いた光学フィルム、液晶パネル、液晶表示装置、画像表示装置
WO2007055214A1 (en) * 2005-11-08 2007-05-18 Fujifilm Corporation Method for producing thermoplastic film
US9005493B2 (en) * 2010-02-09 2015-04-14 Roger Wen-Yi Hsu Method and apparatus for making retarder in stereoscopic glasses
US8379159B2 (en) 2010-03-12 2013-02-19 Roger Wen-Yi Hsu Method and apparatus for improved retarder of 3D glasses

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE634001A (enExample) * 1962-06-25
NL159416B (nl) * 1966-10-13 1979-02-15 Hoechst Ag Werkwijze voor het vervaardigen van een polyesterfoelie met kleine kristallen.
US4160799A (en) * 1976-09-29 1979-07-10 Eastman Kodak Company Maintaining planarity in polyester film during uniform temperature heat relaxation
JPS61167531A (ja) * 1985-01-21 1986-07-29 Diafoil Co Ltd 磁気シ−ト用ポリエステルフイルム
US5061042A (en) * 1987-02-02 1991-10-29 Sumitomo Chemical Co., Ltd. Phase retarder and liquid crystal display using the same
JPH02191904A (ja) * 1988-09-26 1990-07-27 Fuji Photo Film Co Ltd 位相差フィルム及び位相差フィルムの製造法
JPH0830765B2 (ja) * 1988-09-26 1996-03-27 富士写真フイルム株式会社 位相差フイルムの製造方法
JP2612196B2 (ja) * 1988-12-14 1997-05-21 富士写真フイルム株式会社 位相差フイルム及びその製造方法
US5244713A (en) * 1988-12-27 1993-09-14 Sumitomo Chemical Co., Ltd. Optical film
JPH02285303A (ja) * 1989-04-26 1990-11-22 Nitto Denko Corp 複屈折性フィルム及びその製造方法並びに位相差板及び液晶パネル
JPH04138424A (ja) * 1990-09-28 1992-05-12 Sharp Corp 液晶表示装置
US5245456A (en) * 1990-10-24 1993-09-14 Nitto Denko Corporation Birefringent film with nx >nz >ny, process for producing the same, retardation film, elliptically polarizing plate, and liquid crystal display

Also Published As

Publication number Publication date
TW222657B (enExample) 1994-04-21
EP0546748A1 (en) 1993-06-16
SG54990A1 (en) 1998-12-21
DE69219571T2 (de) 1997-09-11
US5366682A (en) 1994-11-22
EP0546748B1 (en) 1997-05-07
DE69219571D1 (de) 1997-06-12
CA2084581A1 (en) 1993-06-10

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