DE60232868D1 - Optisches beleuchtungssystem und projektor - Google Patents

Optisches beleuchtungssystem und projektor

Info

Publication number
DE60232868D1
DE60232868D1 DE60232868T DE60232868T DE60232868D1 DE 60232868 D1 DE60232868 D1 DE 60232868D1 DE 60232868 T DE60232868 T DE 60232868T DE 60232868 T DE60232868 T DE 60232868T DE 60232868 D1 DE60232868 D1 DE 60232868D1
Authority
DE
Germany
Prior art keywords
projector
lighting system
optical lighting
optical
lighting
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 - Lifetime
Application number
DE60232868T
Other languages
English (en)
Inventor
Koichi Akiyama
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.)
Seiko Epson Corp
Original Assignee
Seiko Epson Corp
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 Seiko Epson Corp filed Critical Seiko Epson Corp
Application granted granted Critical
Publication of DE60232868D1 publication Critical patent/DE60232868D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0927—Systems for changing the beam intensity distribution, e.g. Gaussian to top-hat
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/095—Refractive optical elements
    • G02B27/0955—Lenses
    • G02B27/0961—Lens arrays
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/0977—Reflective elements
    • G02B27/0983—Reflective elements being curved
    • 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
    • G03B21/14—Details
    • 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
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2066—Reflectors in illumination beam
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/317—Convergence or focusing systems
DE60232868T 2001-04-27 2002-04-25 Optisches beleuchtungssystem und projektor Expired - Lifetime DE60232868D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001132768 2001-04-27
PCT/JP2002/004183 WO2002088842A1 (fr) 2001-04-27 2002-04-25 Systeme optique d'eclairage et projecteur

Publications (1)

Publication Number Publication Date
DE60232868D1 true DE60232868D1 (de) 2009-08-20

Family

ID=18980731

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60232868T Expired - Lifetime DE60232868D1 (de) 2001-04-27 2002-04-25 Optisches beleuchtungssystem und projektor

Country Status (5)

Country Link
US (1) US6796662B2 (de)
EP (1) EP1382996B1 (de)
JP (1) JP3794387B2 (de)
DE (1) DE60232868D1 (de)
WO (1) WO2002088842A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7150535B2 (en) * 2003-10-07 2006-12-19 Seiko Epson Corporation Lighting device and projector equipped with the same
US7055969B2 (en) * 2004-04-29 2006-06-06 Hewlett-Packard Development Company, L.P. Reflective optical assembly
JP4222285B2 (ja) * 2004-10-06 2009-02-12 セイコーエプソン株式会社 プロジェクタ
JP4735333B2 (ja) * 2005-03-10 2011-07-27 パナソニック株式会社 Ｌｅｄ照明器具
JP4904741B2 (ja) * 2005-08-09 2012-03-28 株式会社日立製作所 投射型映像表示装置および遮光方法
JP4682227B2 (ja) * 2008-06-13 2011-05-11 パナソニック株式会社 高圧放電ランプ装置及びそれを用いたプロジェクタ
US8403502B2 (en) * 2008-11-18 2013-03-26 Barco N.V. Collimated visual display with elliptical front projection screen
US8562152B2 (en) * 2009-12-24 2013-10-22 Seiko Epson Corporation Collimator lens unit with aspheric surfaces for imparting a luminous flux density distribution
JP5699568B2 (ja) * 2010-11-29 2015-04-15 セイコーエプソン株式会社 光源装置、プロジェクター
JP5713666B2 (ja) * 2010-12-27 2015-05-07 キヤノン株式会社 照明光学系およびそれを用いた画像投射装置
JP6007361B2 (ja) * 2014-01-15 2016-10-12 コニカミノルタ株式会社 導光体、画像読取用照明装置及び画像読取装置
CN111323376B (zh) * 2020-04-16 2023-03-28 中国科学院电工研究所 一种平行入射的红外热辐射光声光谱气体传感装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5068768A (en) * 1990-03-28 1991-11-26 Koito Manufacturing Co., Ltd. Variable light distribution type automobile lamp
JP3301321B2 (ja) * 1996-10-09 2002-07-15 三菱電機株式会社 照明光学系装置及び投写型表示装置
JPH10171019A (ja) * 1996-12-09 1998-06-26 Nissho Giken Kk 照明用補助結像装置
JPH10171020A (ja) * 1996-12-09 1998-06-26 Nissho Giken Kk 照明装置
US6024452A (en) * 1997-04-22 2000-02-15 3M Innovative Properties Company Prismatic light beam homogenizer for projection displays
JPH11125795A (ja) * 1997-10-20 1999-05-11 Nissho Giken Kk 照明装置
JP4355381B2 (ja) * 1998-10-29 2009-10-28 キヤノン株式会社 照明装置およびそれを用いた投射型表示装置
JP3347676B2 (ja) * 1998-10-29 2002-11-20 キヤノン株式会社 照明装置およびそれを用いた投射型表示装置
JP2000162542A (ja) 1998-11-30 2000-06-16 Canon Inc 光照射装置および画像投射装置
JP3317915B2 (ja) * 1999-03-12 2002-08-26 エヌイーシービューテクノロジー株式会社 映像投射装置
JP4023066B2 (ja) * 1999-04-02 2007-12-19 セイコーエプソン株式会社 光源装置、および、これを備えた照明光学系ならびにプロジェクタ
JP2001272722A (ja) * 2000-03-24 2001-10-05 Nikon Corp 投射型表示装置
US6688756B1 (en) * 2000-03-31 2004-02-10 Seiko Epson Corporation Light source device, and illuminating optical system and projector including the same

Also Published As

Publication number Publication date
JPWO2002088842A1 (ja) 2004-08-19
EP1382996A4 (de) 2006-11-02
EP1382996A1 (de) 2004-01-21
WO2002088842A1 (fr) 2002-11-07
US6796662B2 (en) 2004-09-28
US20030214634A1 (en) 2003-11-20
EP1382996B1 (de) 2009-07-08
JP3794387B2 (ja) 2006-07-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition