TW586019B - Projector - Google Patents

Projector Download PDF

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Publication number
TW586019B
TW586019B TW090115235A TW90115235A TW586019B TW 586019 B TW586019 B TW 586019B TW 090115235 A TW090115235 A TW 090115235A TW 90115235 A TW90115235 A TW 90115235A TW 586019 B TW586019 B TW 586019B
Authority
TW
Taiwan
Prior art keywords
light
optical system
crystal
optical
mentioned
Prior art date
Application number
TW090115235A
Other languages
English (en)
Chinese (zh)
Inventor
Takeshi Takezawa
Toshiaki Hashizume
Hisamaro Kato
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 TW586019B publication Critical patent/TW586019B/zh

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10Beam splitting or combining systems
    • G02B27/1006Beam splitting or combining systems for splitting or combining different wavelengths
    • G02B27/102Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources
    • G02B27/1046Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources for use with transmissive spatial light modulators
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10Beam splitting or combining systems
    • G02B27/106Beam splitting or combining systems for splitting or combining a plurality of identical beams or images, e.g. image replication
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10Beam splitting or combining systems
    • G02B27/1073Beam splitting or combining systems characterized by manufacturing or alignment methods
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10Beam splitting or combining systems
    • G02B27/12Beam splitting or combining systems operating by refraction only
    • G02B27/123The splitting element being a lens or a system of lenses, including arrays and surfaces with refractive power
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10Beam splitting or combining systems
    • G02B27/14Beam splitting or combining systems operating by reflection only
    • G02B27/145Beam splitting or combining systems operating by reflection only having sequential partially reflecting surfaces
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10Beam splitting or combining systems
    • G02B27/14Beam splitting or combining systems operating by reflection only
    • G02B27/149Beam splitting or combining systems operating by reflection only using crossed beamsplitting surfaces, e.g. cross-dichroic cubes or X-cubes
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/28Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G02B27/283Optical 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
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/28Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G02B27/283Optical 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
    • G02B27/285Optical 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 comprising arrays of elements, e.g. microprisms
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/005Projectors using an electronic spatial light modulator but not peculiar thereto
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/12Picture reproducers
    • H04N9/31Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3102Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
    • H04N9/3105Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying all colours simultaneously, e.g. by using two or more electronic spatial light modulators
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/12Picture reproducers
    • H04N9/31Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141Constructional details thereof
    • H04N9/315Modulator illumination systems
    • H04N9/3167Modulator illumination systems for polarizing the light beam

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Manufacturing & Machinery (AREA)
  • Projection Apparatus (AREA)
  • Liquid Crystal (AREA)
  • Polarising Elements (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
TW090115235A 2000-06-28 2001-06-22 Projector TW586019B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000193932A JP2002014419A (ja) 2000-06-28 2000-06-28 プロジェクタ

Publications (1)

Publication Number Publication Date
TW586019B true TW586019B (en) 2004-05-01

Family

ID=18692838

Family Applications (1)

Application Number Title Priority Date Filing Date
TW090115235A TW586019B (en) 2000-06-28 2001-06-22 Projector

Country Status (4)

Country Link
US (2) US6805444B2 (OSRAM)
JP (1) JP2002014419A (OSRAM)
TW (1) TW586019B (OSRAM)
WO (1) WO2002001289A1 (OSRAM)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6767100B1 (en) * 2001-12-19 2004-07-27 Infocus Corporation System and method employing reflective imaging devices for a projection display
KR100411431B1 (ko) * 2002-01-18 2003-12-24 엘지전자 주식회사 프로젝터
KR100685565B1 (ko) * 2002-10-31 2007-02-22 세이코 엡슨 가부시키가이샤 프로젝터
JP2004245914A (ja) * 2003-02-12 2004-09-02 Kyocera Corp 液晶プロジェクタ装置とそれに用いる透明板及び液晶表示パネル
US7073911B2 (en) * 2003-03-14 2006-07-11 Seiko Epson Corporation Projector with improved heat radiation
JP4500043B2 (ja) * 2003-12-25 2010-07-14 セイコーインスツル株式会社 表示装置用水晶板の製造方法
JP2006106073A (ja) * 2004-09-30 2006-04-20 Seiko Epson Corp プロジェクタ
US8979272B2 (en) * 2004-11-29 2015-03-17 Samsung Display Co., Ltd. Multi-primary color display
JP2006292947A (ja) * 2005-04-08 2006-10-26 Epson Toyocom Corp 放熱用水晶板、偏光板、及び光学機器
US20070146880A1 (en) * 2005-12-27 2007-06-28 Jvc Americas Corporation Optical device for splitting an incident light into simultaneously spectrally separated and orthogonally polarized light beams having complementary primary color bands
JP4978106B2 (ja) * 2006-08-10 2012-07-18 セイコーエプソン株式会社 撮像素子カバー及び撮像装置
JP2008268264A (ja) * 2007-04-16 2008-11-06 Sanyo Electric Co Ltd 液晶表示装置
JP5499618B2 (ja) * 2009-04-22 2014-05-21 ソニー株式会社 投射型液晶表示装置
DE102009044910B4 (de) 2009-06-23 2024-09-05 Seereal Technologies S.A. Räumliche Lichtmodulationseinrichtung zum Modulieren eines Wellenfeldes mit komplexer Information
JP5919622B2 (ja) * 2011-01-21 2016-05-18 セイコーエプソン株式会社 偏光変換素子、偏光変換ユニット及び投写型映像装置
JP2012226121A (ja) * 2011-04-20 2012-11-15 Seiko Epson Corp 偏光変換素子、偏光変換ユニット及び投射装置
US9211481B2 (en) 2012-07-27 2015-12-15 Nb Tech Inc. Visual display system and method of constructing a high-gain reflective beam-splitter
JP6136744B2 (ja) * 2013-08-15 2017-05-31 ソニー株式会社 光源装置、及び画像表示装置

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4650286A (en) 1983-09-27 1987-03-17 Hughes Aircraft Company Liquid crystal light value color projector
US4763996A (en) * 1984-11-20 1988-08-16 Hamamatsu Photonics Kabushiki Kaisha Spatial light modulator
JPH01319001A (ja) * 1988-06-20 1989-12-25 Fujikura Ltd レンズプレート
US5056896A (en) * 1988-08-29 1991-10-15 Ricoh Company, Ltd. Liquid crystal display device with dielectric anisotropy
JPH0715521B2 (ja) * 1989-05-29 1995-02-22 株式会社フジクラ 屈折率分布型石英ガラス系円柱レンズの製造方法
EP0460241B1 (en) * 1989-12-26 1996-03-13 Mitsubishi Rayon Co., Ltd. Optical apparatus for generating polarized light
JPH0422917A (ja) * 1990-05-18 1992-01-27 Nippon Oil Co Ltd 旋光性光学素子
JP3273955B2 (ja) * 1991-04-09 2002-04-15 キヤノン株式会社 画像投影装置
JPH07287426A (ja) 1994-04-19 1995-10-31 Fuji Xerox Co Ltd 画像形成装置の制御方法
JPH082998A (ja) 1994-06-15 1996-01-09 Sumitomo Electric Ind Ltd 酸化物誘電体薄膜及びその製造方法
JP2624203B2 (ja) * 1994-12-22 1997-06-25 セイコーエプソン株式会社 投写型表示装置
US6266313B1 (en) * 1996-12-20 2001-07-24 Pioneer Electronic Corporation Optical pickup for recording or reproducing system
JP3845939B2 (ja) * 1997-03-18 2006-11-15 ソニー株式会社 液晶表示素子
EP1031877A4 (en) * 1997-11-11 2001-05-09 Nikon Corp PHOTOMASK, ABERRATION CORRECTION PLATE, AND EXPOSURE DEVICE AND METHOD FOR PRODUCING A MICROSTRUCTURE
JP3091183B2 (ja) * 1998-03-27 2000-09-25 京セラ株式会社 液晶プロジェクタ装置
US6414791B1 (en) * 1998-07-01 2002-07-02 Canon Kabushiki Kaisha Optical system for photographing a stereoscopic image, zoom lens and image pickup optical system
JP4046427B2 (ja) * 1998-11-30 2008-02-13 エルジー フィリップス エルシーディー カンパニー リミテッド 大面積偏光板を採り入れた偏光装置
JP2001071168A (ja) * 1999-06-30 2001-03-21 Canon Inc レーザ加工方法、該レーザ加工方法を用いたインクジェット記録ヘッドの製造方法、該製造方法で製造されたインクジェット記録ヘッド
EP1818696A3 (en) * 2000-01-28 2007-08-22 Seiko Epson Corporation Projector with fine structured birefringent polarizer inclined to the projector axis
JP4075303B2 (ja) * 2000-11-01 2008-04-16 セイコーエプソン株式会社 プロジェクタ
US6935753B2 (en) * 2001-01-15 2005-08-30 Seiko Epson Corporation Projector

Also Published As

Publication number Publication date
JP2002014419A (ja) 2002-01-18
US20020131027A1 (en) 2002-09-19
WO2002001289A1 (en) 2002-01-03
US20040145711A1 (en) 2004-07-29
US6805444B2 (en) 2004-10-19
US6811262B2 (en) 2004-11-02

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