DE69731446D1 - Optisches system - Google Patents

Optisches system

Info

Publication number
DE69731446D1
DE69731446D1 DE69731446T DE69731446T DE69731446D1 DE 69731446 D1 DE69731446 D1 DE 69731446D1 DE 69731446 T DE69731446 T DE 69731446T DE 69731446 T DE69731446 T DE 69731446T DE 69731446 D1 DE69731446 D1 DE 69731446D1
Authority
DE
Germany
Prior art keywords
optical system
optical
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
DE69731446T
Other languages
English (en)
Other versions
DE69731446T2 (de
Inventor
Ata Hikmet
Marie Boots
Friedl Reinhold Wimberger
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE69731446D1 publication Critical patent/DE69731446D1/de
Application granted granted Critical
Publication of DE69731446T2 publication Critical patent/DE69731446T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Polarising Elements (AREA)
DE69731446T 1996-04-26 1997-04-08 Optisches system Expired - Fee Related DE69731446T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP96201142 1996-04-26
EP96201142 1996-04-26
PCT/IB1997/000370 WO1997041484A1 (en) 1996-04-26 1997-04-08 Optical system

Publications (2)

Publication Number Publication Date
DE69731446D1 true DE69731446D1 (de) 2004-12-09
DE69731446T2 DE69731446T2 (de) 2005-10-13

Family

ID=8223933

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69731446T Expired - Fee Related DE69731446T2 (de) 1996-04-26 1997-04-08 Optisches system

Country Status (5)

Country Link
US (1) US5940211A (de)
EP (1) EP0835476B1 (de)
JP (1) JPH11509014A (de)
DE (1) DE69731446T2 (de)
WO (1) WO1997041484A1 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5825543A (en) * 1996-02-29 1998-10-20 Minnesota Mining And Manufacturing Company Diffusely reflecting polarizing element including a first birefringent phase and a second phase
US6627300B1 (en) 1997-10-12 2003-09-30 3M Innovative Properties Company Optical device containing polymeric material domains having different degrees of randomness
US6157486A (en) * 1998-01-13 2000-12-05 3M Innovative Properties Company Retroreflective dichroic reflector
JPH11281970A (ja) * 1998-03-30 1999-10-15 Toshiba Corp 反射型液晶表示素子
TW507104B (en) * 1998-09-16 2002-10-21 Teijin Ltd Application of light source including light guide for emanating linearly polarized light to liquid crystal display
JP2000226458A (ja) * 1999-02-08 2000-08-15 Nitto Denko Corp 光学フィルム、光学部材及び光学素子
JP4251700B2 (ja) * 1999-02-08 2009-04-08 日東電工株式会社 光学フィルム、光学部材及び光学素子
US6381068B1 (en) * 1999-03-19 2002-04-30 3M Innovative Properties Company Reflective projection screen and projection system
US6515785B1 (en) * 1999-04-22 2003-02-04 3M Innovative Properties Company Optical devices using reflecting polarizing materials
JP3383260B2 (ja) * 1999-04-26 2003-03-04 日東電工株式会社 ニュートラル偏光板及び液晶表示装置
US6952310B1 (en) * 1999-05-12 2005-10-04 Nitto Denko Corporation Light pipe and polarized-light source
US6239907B1 (en) 1999-09-03 2001-05-29 3M Innovative Properties Company Rear projection screen using birefringent optical film for asymmetric light scattering
US6654170B1 (en) 1999-10-12 2003-11-25 3M Innovative Properties Company Optical device having continuous and disperse phases
US6673275B1 (en) 1999-10-12 2004-01-06 3M Innovative Properties Company Method for making optical devices from homopolymers
JP2001228332A (ja) * 1999-12-09 2001-08-24 Sumitomo Chem Co Ltd 偏光素子、偏光光源装置及び液晶表示装置
JP4614400B2 (ja) 2000-01-17 2011-01-19 日東電工株式会社 有機ｅｌ発光装置、偏光面光源装置及び液晶表示装置
WO2001053745A1 (en) 2000-01-19 2001-07-26 Omlidon Technologies Llc Polarizing device
JP2003527633A (ja) * 2000-03-15 2003-09-16 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 投射スクリーン
EP1287288A1 (de) * 2000-05-19 2003-03-05 Stichting Dutch Polymer Institute Polarisierte lichtemittierende wellenleiterplatte
KR20020008758A (ko) * 2000-07-21 2002-01-31 고오사이 아끼오 이방성 산란 필름 및 액정 디스플레이
JP3858581B2 (ja) 2000-09-26 2006-12-13 セイコーエプソン株式会社 液晶装置及び電子機器
US20030090012A1 (en) * 2001-09-27 2003-05-15 Allen Richard Charles Methods of making polarization rotators and articles containing the polarization rotators
US6985291B2 (en) * 2001-10-01 2006-01-10 3M Innovative Properties Company Non-inverting transflective assembly
TW200303354A (en) 2002-02-05 2003-09-01 Sumitomo Chemicalco Ltd Anisotropic film and LCD using the same
US8023065B2 (en) * 2005-06-24 2011-09-20 3M Innovative Properties Company Optical element for lateral light spreading in edge-lit displays and system using same
US20060290845A1 (en) * 2005-06-24 2006-12-28 Hebrink Timothy J Polarization sensitive illumination element and system using same
US7903194B2 (en) * 2005-06-24 2011-03-08 3M Innovative Properties Company Optical element for lateral light spreading in back-lit displays and system using same
US20060290843A1 (en) * 2005-06-24 2006-12-28 Epstein Kenneth A Illumination element and system using same
JP4957727B2 (ja) * 2006-09-29 2012-06-20 コニカミノルタアドバンストレイヤー株式会社 光学フィルムの製造方法
DE102007006825A1 (de) 2007-02-07 2008-08-14 Evonik Röhm Gmbh Kunststoffformkörper mir anisotroper Lichtstreuung
US9310619B2 (en) * 2012-02-15 2016-04-12 Sharp Kabushiki Kaisha Optical film

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0670882B2 (ja) * 1988-08-23 1994-09-07 株式会社明拓システム 単板使用エッジライトパネル
US5157526A (en) * 1990-07-06 1992-10-20 Hitachi, Ltd. Unabsorbing type polarizer, method for manufacturing the same, polarized light source using the same, and apparatus for liquid crystal display using the same
US5422756A (en) * 1992-05-18 1995-06-06 Minnesota Mining And Manufacturing Company Backlighting system using a retroreflecting polarizer
EP0573905A1 (de) * 1992-06-08 1993-12-15 Minnesota Mining And Manufacturing Company Rückstrahlender Polarisator für Anzeigesysteme
BE1007592A3 (nl) * 1993-10-06 1995-08-16 Philips Electronics Nv Reflecterend beeldprojectiescherm en beeldprojectiesysteem bevattende een dergelijk beeldprojectiescherm.

Also Published As

Publication number Publication date
EP0835476A1 (de) 1998-04-15
US5940211A (en) 1999-08-17
JPH11509014A (ja) 1999-08-03
WO1997041484A1 (en) 1997-11-06
EP0835476B1 (de) 2004-11-03
DE69731446T2 (de) 2005-10-13

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee