JP2001523352A - 投写型ディスプレイ用プリズム光ビーム・ホモジナイザー - Google Patents

投写型ディスプレイ用プリズム光ビーム・ホモジナイザー

Info

Publication number
JP2001523352A
JP2001523352A JP54603798A JP54603798A JP2001523352A JP 2001523352 A JP2001523352 A JP 2001523352A JP 54603798 A JP54603798 A JP 54603798A JP 54603798 A JP54603798 A JP 54603798A JP 2001523352 A JP2001523352 A JP 2001523352A
Authority
JP
Japan
Prior art keywords
prism
prism surface
light
input
light beam
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.)
Pending
Application number
JP54603798A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001523352A5 (enExample
Inventor
バンダーワーフ，デニス・エフ
ハーバート，アラン・ジェイ
Original Assignee
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
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 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 filed Critical 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
Publication of JP2001523352A publication Critical patent/JP2001523352A/ja
Publication of JP2001523352A5 publication Critical patent/JP2001523352A5/ja
Pending 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
    • 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
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays

Landscapes

  • 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)
JP54603798A 1997-04-22 1998-03-27 投写型ディスプレイ用プリズム光ビーム・ホモジナイザー Pending JP2001523352A (ja)

Applications Claiming Priority (3)

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
PCT/US1998/006178 WO1998048312A1 (en) 1997-04-22 1998-03-27 Prismatic light beam homogenizer for projection displays

Publications (2)

Publication Number Publication Date
JP2001523352A true JP2001523352A (ja) 2001-11-20
JP2001523352A5 JP2001523352A5 (enExample) 2005-11-24

Family

ID=25284884

Family Applications (1)

Application Number Title Priority Date Filing Date
JP54603798A Pending JP2001523352A (ja) 1997-04-22 1998-03-27 投写型ディスプレイ用プリズム光ビーム・ホモジナイザー

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)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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)

* Cited by examiner, † Cited by third party
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
JPH0713713B2 (ja) * 1990-03-17 1995-02-15 カシオ計算機株式会社 液晶プロジェクタ
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
US5548444A (en) * 1994-07-06 1996-08-20 Hughes Danbury Optical Systems, Inc. Optical beam homogenizing apparatus and method
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
CN1153994C (zh) 2004-06-16
HK1027166A1 (en) 2001-01-05
CN1252871A (zh) 2000-05-10
KR20010006374A (ko) 2001-01-26
KR100500221B1 (ko) 2005-07-11
US6024452A (en) 2000-02-15
WO1998048312A1 (en) 1998-10-29
EP0978010A1 (en) 2000-02-09

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