CN1153994C - 投影显示用的棱镜光束均化器 - Google Patents

投影显示用的棱镜光束均化器 Download PDF

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Publication number
CN1153994C
CN1153994C CNB988042622A CN98804262A CN1153994C CN 1153994 C CN1153994 C CN 1153994C CN B988042622 A CNB988042622 A CN B988042622A CN 98804262 A CN98804262 A CN 98804262A CN 1153994 C CN1153994 C CN 1153994C
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CN
China
Prior art keywords
prism element
prism
input
output
light
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
CNB988042622A
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English (en)
Chinese (zh)
Other versions
CN1252871A (zh
Inventor
丹尼斯・F・范德韦夫
丹尼斯·F·范德韦夫
J・赫伯特
艾伦·J·赫伯特
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.)
3M Co
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Minnesota Mining and Manufacturing Co
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Filing date
Publication date
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Publication of CN1252871A publication Critical patent/CN1252871A/zh
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Publication of CN1153994C publication Critical patent/CN1153994C/zh
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    • 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
    • G02B27/0972—Prisms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems
    • G02B26/101—Scanning systems with both horizontal and vertical deflecting means, e.g. raster or XY scanners
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Liquid Crystal (AREA)
  • Projection Apparatus (AREA)
  • Optical Elements Other Than Lenses (AREA)
CNB988042622A 1997-04-22 1998-03-27 投影显示用的棱镜光束均化器 Expired - Fee Related CN1153994C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/841,436 US6024452A (en) 1997-04-22 1997-04-22 Prismatic light beam homogenizer for projection displays
US08/841,436 1997-04-22

Publications (2)

Publication Number Publication Date
CN1252871A CN1252871A (zh) 2000-05-10
CN1153994C true CN1153994C (zh) 2004-06-16

Family

ID=25284884

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB988042622A Expired - Fee Related CN1153994C (zh) 1997-04-22 1998-03-27 投影显示用的棱镜光束均化器

Country Status (6)

Country Link
US (1) US6024452A (enExample)
EP (1) EP0978010A1 (enExample)
JP (1) JP2001523352A (enExample)
KR (1) KR100500221B1 (enExample)
CN (1) CN1153994C (enExample)
WO (1) WO1998048312A1 (enExample)

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JP3409587B2 (ja) 1996-05-14 2003-05-26 オムロン株式会社 光路変換光学素子、画像表示装置及び光投射器
DE19737107C2 (de) * 1997-08-26 2001-02-08 Fresnel Optics Gmbh Optische Anordnung bestehend aus mindestens zwei Fresnellinsen und Projektions- bzw. Displayvorrichtung mit dieser Anordnung
JP2002535690A (ja) 1999-01-14 2002-10-22 ミネソタ マイニング アンド マニュファクチャリング カンパニー 光拡散に適した光学シート
AU2001281245A1 (en) * 2000-09-14 2002-03-26 3M Innovative Properties Company Optical sheets suitable for spreading light
DE60232868D1 (de) * 2001-04-27 2009-08-20 Seiko Epson Corp Optisches beleuchtungssystem und projektor
TWI230299B (en) * 2003-02-12 2005-04-01 Benq Corp Hollowed backlight module
US7306344B2 (en) * 2003-06-10 2007-12-11 Abu-Ageel Nayef M Light guide array, fabrication methods and optical system employing same
US7483729B2 (en) * 2003-11-05 2009-01-27 Masimo Corporation Pulse oximeter access apparatus and method
US20060139575A1 (en) * 2004-12-23 2006-06-29 Upstream Engineering Oy Optical collection and distribution system and method
US7657147B2 (en) * 2006-03-02 2010-02-02 Solar Light Company, Inc. Sunlight simulator apparatus
KR100803158B1 (ko) * 2006-03-30 2008-02-14 서울반도체 주식회사 측면 지향형 광반사구 및 발광장치
WO2008027692A2 (en) * 2006-08-02 2008-03-06 Abu-Ageel Nayef M Led-based illumination system
CN102099618B (zh) * 2008-04-04 2017-03-29 皇家飞利浦电子股份有限公司 用于前照灯的投影模块
US20100202129A1 (en) * 2009-01-21 2010-08-12 Abu-Ageel Nayef M Illumination system utilizing wavelength conversion materials and light recycling
US20120212737A1 (en) * 2011-02-23 2012-08-23 Comstock Ii Lovell E Optical homogenizing elements to reduce spectral noise in hyperspectral imaging system
CN103644487A (zh) * 2013-12-30 2014-03-19 北京理工大学 一种基于自由曲面透镜的led跑道中线灯光学系统
DE102014215481A1 (de) * 2014-08-05 2016-02-11 Dürr Systems GmbH Leuchte für eine Arbeitsumgebung, insbesondere zum Prüfen der Oberfläche von Werkstücken
JP2016090656A (ja) * 2014-10-30 2016-05-23 リンテック株式会社 平行光調整装置、平行光照射装置および光拡散フィルムの製造方法

Family Cites Families (25)

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Publication number Priority date Publication date Assignee Title
US1189266A (en) * 1914-03-05 1916-07-04 Michelin & Cie Staggered dispersing device for color projection.
US1912377A (en) * 1929-12-02 1933-06-06 Wilho A Kosken Inc Elimination of infra-red rays in projectors
US2186123A (en) * 1937-01-27 1940-01-09 Zeiss Ikon Ag Illuminating system
US2183249A (en) * 1937-11-06 1939-12-12 Zeiss Ikon Ag Illuminating device for projectors
US2326970A (en) * 1939-05-25 1943-08-17 Rantsch Kurt Illuminating system, particularly for projection purposes
JPS59143146A (ja) * 1983-02-07 1984-08-16 Nippon Kogaku Kk <Nikon> ミラ−集光型照明光学系
US4769750A (en) * 1985-10-18 1988-09-06 Nippon Kogaku K. K. Illumination optical system
US5146248A (en) * 1987-12-23 1992-09-08 North American Philips Corporation Light valve projection system with improved illumination
US5208620A (en) * 1988-10-04 1993-05-04 Canon Kabushiki Kaisha Display apparatus
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JP2823649B2 (ja) * 1990-04-05 1998-11-11 旭光学工業株式会社 光束合成装置
FR2662514A1 (fr) * 1990-05-22 1991-11-29 Thomson Csf Source lumineuse de projecteur d'images.
FR2676288B1 (fr) * 1991-05-07 1994-06-17 Thomson Csf Collecteur d'eclairage pour projecteur.
DE69207362T2 (de) * 1991-10-21 1996-06-13 Canon Kk Beleuchtungsgerät und damit versehener Projektor
JP2973750B2 (ja) * 1992-03-31 1999-11-08 松下電器産業株式会社 照明光学装置とそれを用いた投写型表示装置
US5459592A (en) * 1992-04-24 1995-10-17 Sharp Kabushiki Kaisha Projection display system including a collimating tapered waveguide or lens with the normal to optical axis angle increasing toward the lens center
DE4220705C2 (de) * 1992-06-24 2003-03-13 Lambda Physik Ag Vorrichtung zum Aufteilen eines Lichtstrahles in homogene Teilstrahlen
JP3254680B2 (ja) * 1993-03-16 2002-02-12 セイコーエプソン株式会社 投写型表示装置
US5610733A (en) * 1994-02-28 1997-03-11 Digital Optics Corporation Beam-homogenizer
TW269010B (enExample) * 1994-04-04 1996-01-21 Projectavision Inc
JPH07301800A (ja) * 1994-05-10 1995-11-14 Fujitsu General Ltd 液晶プロジェクタの光源装置
JP3434015B2 (ja) * 1994-05-23 2003-08-04 リコー光学株式会社 オプチカル・ホモジナイザー
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JPH08201759A (ja) * 1995-01-26 1996-08-09 Nec Corp 投射型液晶表示装置
JP3409587B2 (ja) * 1996-05-14 2003-05-26 オムロン株式会社 光路変換光学素子、画像表示装置及び光投射器

Also Published As

Publication number Publication date
HK1027166A1 (en) 2001-01-05
CN1252871A (zh) 2000-05-10
KR20010006374A (ko) 2001-01-26
KR100500221B1 (ko) 2005-07-11
JP2001523352A (ja) 2001-11-20
US6024452A (en) 2000-02-15
WO1998048312A1 (en) 1998-10-29
EP0978010A1 (en) 2000-02-09

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