TW200702884A - Illuminating device and projector - Google Patents

Illuminating device and projector

Info

Publication number
TW200702884A
TW200702884A TW095124136A TW95124136A TW200702884A TW 200702884 A TW200702884 A TW 200702884A TW 095124136 A TW095124136 A TW 095124136A TW 95124136 A TW95124136 A TW 95124136A TW 200702884 A TW200702884 A TW 200702884A
Authority
TW
Taiwan
Prior art keywords
light
light source
liquid crystal
crystal display
polarized light
Prior art date
Application number
TW095124136A
Other languages
English (en)
Inventor
Makoto Furusawa
Akira Hashimoto
A Toru Kurihar
Hiroyuki Shindo
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
Publication of TW200702884A publication Critical patent/TW200702884A/zh

Links

Classifications

    • 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
    • G03B21/2073—Polarisers in the lamp house
    • 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
    • G02B27/0994—Fibers, light pipes
    • 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
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G02B27/283—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining
    • 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
    • Y10S385/00—Optical waveguides
    • Y10S385/901—Illuminating or display apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Projection Apparatus (AREA)
  • Liquid Crystal (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
TW095124136A 2005-07-04 2006-07-03 Illuminating device and projector TW200702884A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005194643A JP4736570B2 (ja) 2005-07-04 2005-07-04 照明装置及びプロジェクタ

Publications (1)

Publication Number Publication Date
TW200702884A true TW200702884A (en) 2007-01-16

Family

ID=36954558

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095124136A TW200702884A (en) 2005-07-04 2006-07-03 Illuminating device and projector

Country Status (6)

Country Link
US (1) US7481538B2 (zh)
EP (1) EP1742104A1 (zh)
JP (1) JP4736570B2 (zh)
KR (1) KR20070004447A (zh)
CN (1) CN1892290A (zh)
TW (1) TW200702884A (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI486642B (zh) * 2012-02-13 2015-06-01 Canon Kk 照明光學系統和影像投影裝置

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5105733B2 (ja) * 2005-10-14 2012-12-26 Ｎｅｃディスプレイソリューションズ株式会社 照明装置とそれを備えたプロジェクタ
US7832878B2 (en) * 2006-03-06 2010-11-16 Innovations In Optics, Inc. Light emitting diode projection system
JP4321580B2 (ja) * 2006-11-30 2009-08-26 セイコーエプソン株式会社 光学素子及びプロジェクタ
WO2009085856A1 (en) * 2007-12-28 2009-07-09 3M Innovative Properties Company Light combiner
EP2283391B1 (en) 2008-05-15 2014-07-23 3M Innovative Properties Company Optical element and color combiner
MX2011003145A (es) * 2008-09-24 2011-05-19 Code 3 Inc Barra de luz.
WO2010053528A2 (en) * 2008-11-06 2010-05-14 Innovations In Optics, Inc. Light emitting diode emergency lighting module
WO2010059453A2 (en) 2008-11-19 2010-05-27 3M Innovative Properties Company High durability color combiner
WO2010059412A2 (en) 2008-11-19 2010-05-27 3M Innovative Properties Company Polarization converting color combiner
CA2749511C (en) * 2009-01-26 2017-05-23 Innovations In Optics, Inc. Light emitting diode linear light for machine vision
US8278841B2 (en) * 2009-07-02 2012-10-02 Innovations In Optics, Inc. Light emitting diode light engine
CN102483561B (zh) * 2009-08-21 2015-08-05 Nec显示器解决方案株式会社 照明设备和使用该照明设备的投影显示设备
US9033511B2 (en) 2009-09-16 2015-05-19 Nec Display Solutions, Ltd. Illuminating device including reflective polarizing plate and projection display device using the same
JP5509827B2 (ja) * 2009-12-11 2014-06-04 コニカミノルタ株式会社 照明光学系及び投影装置
US8403527B2 (en) 2010-10-26 2013-03-26 Thomas J. Brukilacchio Light emitting diode projector
USD742269S1 (en) 2013-06-12 2015-11-03 Code 3, Inc. Dual level low-profile light bar with optional speaker
USD748598S1 (en) 2013-06-12 2016-02-02 Code 3, Inc. Speaker for a light bar
USD742270S1 (en) 2013-06-12 2015-11-03 Code 3, Inc. Single level low-profile light bar with optional speaker

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000056266A (ja) * 1998-08-11 2000-02-25 Sony Corp 光学装置
JP3610789B2 (ja) 1998-10-28 2005-01-19 セイコーエプソン株式会社 照明装置およびそれを用いた投写型表示装置
US6587269B2 (en) * 2000-08-24 2003-07-01 Cogent Light Technologies Inc. Polarization recovery system for projection displays
JP2003202523A (ja) * 2001-11-02 2003-07-18 Nec Viewtechnology Ltd 偏光ユニット、該偏光ユニットを用いた偏光照明装置及び該偏光照明装置を用いた投写型表示装置
US20050134825A1 (en) * 2002-02-08 2005-06-23 Carl Zeiss Smt Ag Polarization-optimized illumination system
JP2003302702A (ja) * 2002-04-11 2003-10-24 Mitsubishi Electric Corp 投写型表示装置
US7312913B2 (en) 2002-05-17 2007-12-25 Infocus Corporation Imaging light source with polarization and color recovery
JP2004205665A (ja) 2002-12-24 2004-07-22 Nagano Kogaku Kenkyusho:Kk 偏光光源装置
US7360900B2 (en) * 2004-03-10 2008-04-22 Seiko Epson Corporation Illuminating apparatus, image display apparatus, and projector
US7628494B2 (en) * 2004-12-07 2009-12-08 Seiko Epson Corporation Illuminating apparatus and projector
US7325957B2 (en) * 2005-01-25 2008-02-05 Jabil Circuit, Inc. Polarized light emitting diode (LED) color illumination system and method for providing same
US7281806B2 (en) * 2005-06-08 2007-10-16 Tte Technology, Inc. System and method for projecting a video image with a temporal LED combiner
TWI292051B (en) * 2006-01-19 2008-01-01 Coretronic Corp Illumination system and projection apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI486642B (zh) * 2012-02-13 2015-06-01 Canon Kk 照明光學系統和影像投影裝置
US9223122B2 (en) 2012-02-13 2015-12-29 Canon Kabushiki Kaisha Illumination optical system and image projection apparatus

Also Published As

Publication number Publication date
CN1892290A (zh) 2007-01-10
JP2007011179A (ja) 2007-01-18
KR20070004447A (ko) 2007-01-09
JP4736570B2 (ja) 2011-07-27
US20070002280A1 (en) 2007-01-04
US7481538B2 (en) 2009-01-27
EP1742104A1 (en) 2007-01-10

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