DE69132092T2 - Lentikuläre blattförmige Linse - Google Patents

Lentikuläre blattförmige Linse

Info

Publication number
DE69132092T2
DE69132092T2 DE69132092T DE69132092T DE69132092T2 DE 69132092 T2 DE69132092 T2 DE 69132092T2 DE 69132092 T DE69132092 T DE 69132092T DE 69132092 T DE69132092 T DE 69132092T DE 69132092 T2 DE69132092 T2 DE 69132092T2
Authority
DE
Germany
Prior art keywords
shaped lens
lenticular
leaf
lenticular leaf
lens
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
Application number
DE69132092T
Other languages
English (en)
Other versions
DE69132092D1 (de
Inventor
Ichiro Matsuzaki
Hiroshi Kuwada
Masao Otaki
Ken Abe
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.)
Kuraray Co Ltd
Original Assignee
Kuraray Co Ltd
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 Kuraray Co Ltd filed Critical Kuraray Co Ltd
Application granted granted Critical
Publication of DE69132092D1 publication Critical patent/DE69132092D1/de
Publication of DE69132092T2 publication Critical patent/DE69132092T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00278—Lenticular sheets
    • B29D11/00288—Lenticular sheets made by a rotating cylinder
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/60—Projection screens characterised by the nature of the surface
    • G03B21/62—Translucent screens
    • G03B21/625—Lenticular translucent screens

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
DE69132092T 1990-10-29 1991-10-28 Lentikuläre blattförmige Linse Expired - Fee Related DE69132092T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP29330990 1990-10-29

Publications (2)

Publication Number Publication Date
DE69132092D1 DE69132092D1 (de) 2000-05-11
DE69132092T2 true DE69132092T2 (de) 2001-01-11

Family

ID=17793170

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69132092T Expired - Fee Related DE69132092T2 (de) 1990-10-29 1991-10-28 Lentikuläre blattförmige Linse

Country Status (3)

Country Link
US (1) US5196960A (de)
EP (1) EP0484073B1 (de)
DE (1) DE69132092T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4407468B4 (de) * 1994-03-05 2005-07-21 Röhm GmbH & Co. KG Verfahren zur Extrusion von Kunststofftafeln

Families Citing this family (50)

* Cited by examiner, † Cited by third party
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EP0819975B1 (de) * 1991-11-15 2002-10-09 Matsushita Electric Industrial Co., Ltd. Transparenter Projektionsschirm und Verfahren zu seiner Herstellung
US5457572A (en) * 1992-12-17 1995-10-10 Kuraray Co., Ltd. Rear-projection screen
EP1528427A3 (de) * 1994-10-05 2006-02-15 Hitachi, Ltd. Durchlichtprojektionssystem
US5675435A (en) * 1995-03-16 1997-10-07 Kuraray Co., Ltd. Rear projection image display device
JP3291972B2 (ja) * 1995-05-16 2002-06-17 ソニー株式会社 液晶表示装置およびその製造方法
US5687024A (en) * 1995-06-30 1997-11-11 Kuraray Co., Ltd. Lenticular lens sheet
US5626410A (en) * 1995-09-20 1997-05-06 Palomar Technologies Corporation Rear projection screen with uniform brightness for tiling the images from an array of projectors
US6144491A (en) * 1996-02-29 2000-11-07 Dai Nippon Printing Co., Ltd. Reflection-type projection screen
US6002464A (en) * 1996-05-13 1999-12-14 Kuraray Co., Ltd. Light diffusing sheet having a layer incorporated with light diffusing material and a layer with a corrugated surface
US6130777A (en) * 1996-05-16 2000-10-10 Dai Nippon Printing Co., Ltd. Lenticular lens sheet with both a base sheet having lenticular elements and a surface diffusing part having elements of elementary shape smaller than lenticular elements
US6262840B1 (en) 1996-05-30 2001-07-17 Sony Corporation Plano lens, rear-projection type projector screen employing the same, and rear-projection type video display apparatus
US6400504B2 (en) 1996-07-23 2002-06-04 Dai Nippon Printing Co., Ltd. Rear projection screen having reduced scintillation
DE69738446T2 (de) * 1996-07-23 2009-01-15 Dai Nippon Printing Co., Ltd. Rückprojektionsschirm
US5932342A (en) * 1996-11-14 1999-08-03 Nashua Corporation Optical diffusers obtained by fluid phase mixing of incompatible materials
US6078351A (en) * 1996-12-31 2000-06-20 Thomson Consumer Electronics, Inc. Projection televisions with three dimensional holographic screens
JPH10239777A (ja) * 1997-02-28 1998-09-11 Kuraray Co Ltd 背面投写型映像表示装置
JP3698515B2 (ja) * 1997-03-03 2005-09-21 三菱電機株式会社 透過形スクリーン
JP3697832B2 (ja) * 1997-04-18 2005-09-21 ソニー株式会社 背面投射型ディスプレー装置及びスクリーンユニット
US6577358B1 (en) * 1997-06-25 2003-06-10 Dai Nippon Printing Co., Ltd. Lens film with conductive lens layer or conductive layer
JP3508908B2 (ja) * 1997-07-14 2004-03-22 大日本印刷株式会社 透過型スクリーン及びレンチキュラーレンズシート
JPH1164608A (ja) * 1997-08-26 1999-03-05 Dainippon Printing Co Ltd レンチキュラーレンズ
US6151163A (en) * 1997-09-10 2000-11-21 Thomson Licensing S.A. Holographic projection screen having a rear-facing fresnel lens
JP2001506017A (ja) * 1997-09-26 2001-05-08 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 画像投映スクリーン
US6621530B1 (en) 1998-01-29 2003-09-16 Thomson Licensing S.A. Projection televisions with mirrors incident on holographic screens
US6400417B1 (en) 1998-01-29 2002-06-04 Thomson Licensing S.A. Projection television with three-dimensional holographic screen and centered blue CRT for balanced CRT drive
EP1152286A4 (de) * 1998-12-18 2002-05-15 Mitsubishi Rayon Co Durchsichtschirm
US6278546B1 (en) 1999-04-01 2001-08-21 Honeywell International Inc. Display screen and method of manufacture therefor
US6469830B1 (en) * 1999-04-01 2002-10-22 Honeywell Inc. Display screen and method of manufacture therefor
FR2836243B1 (fr) * 2002-02-18 2005-01-28 Synelec Telecom Multimedia Ecran de retroprojection et son procede de fabrication
FR2836241B1 (fr) * 2002-02-18 2005-02-11 Synelec Telecom Multimedia Ecran de retroprojection et son procede de fabrication
JP2004101763A (ja) * 2002-09-06 2004-04-02 Fuji Photo Film Co Ltd 導光体およびその製造方法
JP3933053B2 (ja) * 2003-01-23 2007-06-20 ソニー株式会社 スクリーン、光学膜及び光学膜の製造方法
RU2005131595A (ru) * 2003-03-12 2006-02-20 Эвери Деннисон Копэрейшн (Us) Светопропускающий фильтр и способ изготовления светопропускающего фильтра (варианты)
US6917469B2 (en) * 2003-06-27 2005-07-12 Japan Acryace Co., Ltd. Light diffusing laminated plate
KR100675412B1 (ko) * 2003-09-09 2007-01-29 다이니폰 인사츠 가부시키가이샤 광학용 시트 및 그 제조방법
US7196741B2 (en) * 2003-10-15 2007-03-27 Mitsubishi Digital Electronics America, Inc. Automatic image convergence for projection television systems
US7057810B2 (en) 2003-12-11 2006-06-06 3M Innovative Properties Company Microstructured screen with light absorbing material and method of manufacturing
US7050227B2 (en) 2003-12-11 2006-05-23 3M Innovative Properties Company Composition for microstructured screens
US20050127541A1 (en) * 2003-12-11 2005-06-16 3M Innovative Properties Company Microstructured screen and method of manufacturing using coextrusion
US20050226590A1 (en) * 2004-04-07 2005-10-13 Patel Falgun D Variable optical attenuator based on rare earth doped glass
JP4559882B2 (ja) * 2005-03-16 2010-10-13 大日本印刷株式会社 光収束シート、面光源装置、透過型表示装置
KR20070108794A (ko) * 2006-05-08 2007-11-13 미래나노텍(주) 광학 시트 및 상기 광학 시트가 구비된 액정표시장치의백라이트 어셈블리
KR100885608B1 (ko) * 2006-05-30 2009-02-24 주식회사 엘지화학 다층구조 광확산판 및 그를 포함하는 액정 디스플레이 장치
WO2008093819A1 (ja) * 2007-02-02 2008-08-07 Dai Nippon Printing Co., Ltd. 光学シート、面光源装置、透過型表示装置
KR101501932B1 (ko) * 2007-12-31 2015-03-12 삼성디스플레이 주식회사 광학판, 이의 제조 방법 및 액정 표시 장치
KR101184449B1 (ko) * 2009-12-28 2012-09-21 제일모직주식회사 패턴 도광판, 그 제조방법 및 이를 이용한 액정표시장치 백라이트 유닛
US8398292B2 (en) * 2010-01-15 2013-03-19 Chi Lin Technology Co., Ltd. Optical unit and light guide plate and ink thereof
TWI417577B (zh) * 2010-11-16 2013-12-01 Chi Mei Corp Light transfer plate with light structure and light guide plate
US9304232B2 (en) * 2012-09-11 2016-04-05 Sabic Global Technologies B.V. Sheet for LED light cover application
US20210172709A1 (en) * 2018-07-04 2021-06-10 Hyperstealth Biotechnology Corporation Improved Camouflage

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3712707A (en) * 1970-02-27 1973-01-23 Gen Electric Composite back projection screen and method of forming
JPS5781255A (en) * 1980-11-10 1982-05-21 Toshiba Corp Transmission type projection screen
JPS63199338A (ja) * 1987-02-16 1988-08-17 Pioneer Electronic Corp 背面投影スクリ−ン
JP2670540B2 (ja) * 1987-02-28 1997-10-29 大日本印刷株式会社 レンチキユラーレンズスクリーン
JP2695422B2 (ja) * 1988-01-14 1997-12-24 三菱レイヨン株式会社 透過型スクリーン
DK172551B1 (da) * 1988-09-28 1999-01-11 Dainippon Printing Co Ltd Baglysprojektionsskærm
US5186780A (en) * 1988-11-28 1993-02-16 Mitsubishi Rayon Co. Method of manufacturing transmission type screen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4407468B4 (de) * 1994-03-05 2005-07-21 Röhm GmbH & Co. KG Verfahren zur Extrusion von Kunststofftafeln

Also Published As

Publication number Publication date
EP0484073A3 (en) 1993-03-03
DE69132092D1 (de) 2000-05-11
US5196960A (en) 1993-03-23
EP0484073B1 (de) 2000-04-05
EP0484073A2 (de) 1992-05-06

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication of lapse of patent is to be deleted
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee