JPH10513579A - 投影機用の集光システム - Google Patents
投影機用の集光システムInfo
- Publication number
- JPH10513579A JPH10513579A JP9520325A JP52032597A JPH10513579A JP H10513579 A JPH10513579 A JP H10513579A JP 9520325 A JP9520325 A JP 9520325A JP 52032597 A JP52032597 A JP 52032597A JP H10513579 A JPH10513579 A JP H10513579A
- Authority
- JP
- Japan
- Prior art keywords
- light
- collector
- arc
- light source
- angle
- 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
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/08—Catadioptric systems
- G02B17/0884—Catadioptric systems having a pupil corrector
- G02B17/0888—Catadioptric systems having a pupil corrector the corrector having at least one aspheric surface, e.g. Schmidt plates
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
- G02B19/0028—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed refractive and reflective surfaces, e.g. non-imaging catadioptric systems
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
- G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
- Liquid Crystal (AREA)
- Projection Apparatus (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.球形か或いは非球形のアークを有する光源と、この光源より放射される光を 反射するコレクタと、この光を補正する補正手段とを具え、前記コレクタは前記 補正手段と組み合わせることによって一定の倍率を生じるようにした投影機用の 集光システムにおいて、補正手段が平行にした光ビームを出力し、m(Θ)を倍 率とし、Θを光源からの光線とシステムの光軸との間に形成される集光角とし、 cを定数とし、s(Θ)を集光角Θから見た見掛けのアークサイズとするとき、 球形アークに対してはm(Θ)=dΘ/dyの関係を有し、非球形アークに対し てはm(Θ)=c/s(Θ)の関係を有することを特徴とする投射機用の集光シ ステム。 2.球形か或いは非球形のアークを有する光源と、この光源より放射される光を 反射するコレクタと、この光を補正する補正手段とを具え、前記コレクタは前記 補正手段と組み合わせることによって一定の倍率を生じるようにした投影機用の 集光システムにおいて、補正手段が非平行にした光ビームを出力し、m(Θ)を 倍率とし、Θを光源からの光線とシステムの光軸との間に形成される集光角とし 、Φを前記補正手段により補正した光線と前期光軸との間の角とするとき、m( Θ)=dΘ/d(sin Φ)の関係を有することを特徴とする投射機用の集光シス テム。 3.y(Θ)を前記光線と前記光軸との間の距離とし、Θminを光と前記コレク タから反射する最小角とし、cを定数とし、s(Θ)を見かけのアークサイズと するとき、前記補正手段と組み合わされるコレクタが を満たすことを特徴とする請求項1に記載の集光システム。 4.Θを前記集光システムの光軸に対して前記光の光線により形成される集光角 とし、Φを前記補正手段により補正する前記光線と前記軸との間の角とし、Θmi n を光を前記コレクタから反射する最小角とし、s(Θ)を前記集光角から 見た見掛けのアークサイズとするとき、補正手段と組み合わされるコレクタが を満たすことを特徴とする請求項2に記載の集光システム。 5.Θmin=0とすることを特徴とする請求項3又は4に記載の集光システム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/565,699 | 1995-11-30 | ||
US08/565,699 US5966250A (en) | 1995-11-30 | 1995-11-30 | Method and light collection system for producing uniform arc image size |
PCT/IB1996/001328 WO1997020241A1 (en) | 1995-11-30 | 1996-11-29 | Collection system for a projector |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH10513579A true JPH10513579A (ja) | 1998-12-22 |
Family
ID=24259741
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9520325A Pending JPH10513579A (ja) | 1995-11-30 | 1996-11-29 | 投影機用の集光システム |
Country Status (5)
Country | Link |
---|---|
US (1) | US5966250A (ja) |
EP (1) | EP0805995B1 (ja) |
JP (1) | JPH10513579A (ja) |
DE (1) | DE69627306T2 (ja) |
WO (1) | WO1997020241A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008153124A (ja) * | 2006-12-19 | 2008-07-03 | Koito Mfg Co Ltd | 車両用照明灯具 |
JP2014127437A (ja) * | 2012-12-27 | 2014-07-07 | Koito Mfg Co Ltd | 灯具ユニット |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4123683B2 (ja) * | 2000-05-17 | 2008-07-23 | コニカミノルタオプト株式会社 | ズームレンズ |
JP3290645B2 (ja) * | 2000-05-31 | 2002-06-10 | 松下電器産業株式会社 | 画像表示装置 |
KR20020005938A (ko) * | 2000-07-11 | 2002-01-18 | 윤종용 | 광원의 광효율 극대화를 위한 비구면 특성의 타원형반사경 및 구면렌즈를 구비한 조명장치 |
US6896381B2 (en) | 2002-10-11 | 2005-05-24 | Light Prescriptions Innovators, Llc | Compact folded-optics illumination lens |
US6924943B2 (en) * | 2002-12-02 | 2005-08-02 | Light Prescriptions Innovators, Llc | Asymmetric TIR lenses producing off-axis beams |
US7042655B2 (en) * | 2002-12-02 | 2006-05-09 | Light Prescriptions Innovators, Llc | Apparatus and method for use in fulfilling illumination prescription |
US7377671B2 (en) | 2003-02-04 | 2008-05-27 | Light Prescriptions Innovators, Llc | Etendue-squeezing illumination optics |
US7329029B2 (en) | 2003-05-13 | 2008-02-12 | Light Prescriptions Innovators, Llc | Optical device for LED-based lamp |
US8075147B2 (en) | 2003-05-13 | 2011-12-13 | Light Prescriptions Innovators, Llc | Optical device for LED-based lamp |
US7021797B2 (en) * | 2003-05-13 | 2006-04-04 | Light Prescriptions Innovators, Llc | Optical device for repositioning and redistributing an LED's light |
EP1664851B1 (en) * | 2003-07-28 | 2014-11-12 | Light Prescriptions Innovators, LLC. | Three-dimensional simultaneous multiple-surface method and free-form illumination-optics designed therefrom |
US7006306B2 (en) * | 2003-07-29 | 2006-02-28 | Light Prescriptions Innovators, Llc | Circumferentially emitting luminaires and lens-elements formed by transverse-axis profile-sweeps |
US7178922B2 (en) * | 2003-10-03 | 2007-02-20 | Mitsubishi Denki Kabushiki Kaisha | Lamp, condensing optical system, and image display device |
US8393777B2 (en) | 2005-07-28 | 2013-03-12 | Light Prescriptions Innovators, Llc | Etendue-conserving illumination-optics for backlights and frontlights |
WO2007016363A2 (en) | 2005-07-28 | 2007-02-08 | Light Prescriptions Innovators, Llc | Free-form lenticular optical elements and their application to condensers and headlamps |
US8631787B2 (en) | 2005-07-28 | 2014-01-21 | Light Prescriptions Innovators, Llc | Multi-junction solar cells with a homogenizer system and coupled non-imaging light concentrator |
TWI281989B (en) * | 2005-09-07 | 2007-06-01 | Young Optics Inc | Lamp module and projecting apparatus using the same |
TWI280412B (en) * | 2005-09-09 | 2007-05-01 | Young Optics Inc | Lamp module and projecting apparatus thereof |
US20090237941A1 (en) * | 2006-01-11 | 2009-09-24 | Premysler Philip A | Illumination Optics |
WO2008008994A2 (en) | 2006-07-14 | 2008-01-17 | Light Prescriptions Innovators, Llc | Brightness-enhancing film |
WO2008022065A2 (en) | 2006-08-11 | 2008-02-21 | Light Prescriptions Innovators, Llc | Led luminance-enhancement and color-mixing by rotationally multiplexed beam-combining |
CA2710094C (en) * | 2007-12-18 | 2017-10-31 | Light Prescriptions Innovators, Llc | Free-form condenser optic |
CN102016402A (zh) * | 2008-02-21 | 2011-04-13 | 光处方革新有限公司 | 球形发射远距离磷光体 |
US7633684B1 (en) * | 2009-04-08 | 2009-12-15 | Lomak Industrial Company Ltd | Lens for light emitting diodes mounted on a heat sink |
JP5353930B2 (ja) * | 2011-03-25 | 2013-11-27 | ウシオ電機株式会社 | 光学装置 |
US9507143B2 (en) * | 2014-09-19 | 2016-11-29 | Intel Corporation | Compact illumination system |
CN104714358A (zh) * | 2015-01-06 | 2015-06-17 | 杨军 | 一种易加工生产的投影机照明模组 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA455735A (en) * | 1949-04-05 | R. Law Russell | Image projection system | |
US1740609A (en) * | 1925-06-11 | 1929-12-24 | Corning Glass Works | Light projector |
US2013845A (en) * | 1933-04-18 | 1935-09-10 | Walter G Wolfe | Art of projection |
US2170979A (en) * | 1936-09-12 | 1939-08-29 | Straubel Rudolf | Optical system for searchlights |
US2273801A (en) * | 1938-12-30 | 1942-02-17 | Rca Corp | Television receiver |
US2510521A (en) * | 1941-05-26 | 1950-06-06 | Hartford Nat Bank & Trust Co | Optical system |
US2593724A (en) * | 1941-07-14 | 1952-04-22 | Optische Ind De Oude Delft Nv | Microscope with reflecting objective |
GB613608A (en) * | 1945-06-19 | 1948-12-01 | Rauland Corp | Improvements in or relating to television and like receivers |
US2589883A (en) * | 1945-11-29 | 1952-03-18 | Us Navy | Schmidt type optical projection system for indicating devices |
US2574031A (en) * | 1946-04-05 | 1951-11-06 | Gretener Edgar | Illumination system |
US2669709A (en) * | 1950-10-19 | 1954-02-16 | American Optical Corp | Image projection optical system |
US2664027A (en) * | 1951-02-07 | 1953-12-29 | Gen Precision Lab Inc | Modified schmidt-type optical system |
JPS59143146A (ja) * | 1983-02-07 | 1984-08-16 | Nippon Kogaku Kk <Nikon> | ミラ−集光型照明光学系 |
US4642740A (en) * | 1984-10-22 | 1987-02-10 | General Electric Company | Constant magnification light collection system |
FR2588669B1 (fr) * | 1985-03-19 | 1990-11-09 | Malifaud Pierre | Projecteur de rayonnement produisant un flux a haut rendement utile et a haute homogeneite dans des angles d'ouvertures controles, notamment a partir d'une source ponctuelle ou quasi-ponctuelle |
JPH0277725A (ja) * | 1988-09-14 | 1990-03-16 | Hitachi Ltd | 液晶表示装置の照明装置 |
FR2644906A1 (fr) * | 1989-03-23 | 1990-09-28 | Blanc Michel | Dispositif illuminateur a haut rendement d'eclairement |
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 |
JPH06160766A (ja) * | 1992-11-25 | 1994-06-07 | Canon Inc | 投射型表示装置 |
-
1995
- 1995-11-30 US US08/565,699 patent/US5966250A/en not_active Expired - Fee Related
-
1996
- 1996-11-29 DE DE69627306T patent/DE69627306T2/de not_active Expired - Fee Related
- 1996-11-29 EP EP96938413A patent/EP0805995B1/en not_active Expired - Lifetime
- 1996-11-29 JP JP9520325A patent/JPH10513579A/ja active Pending
- 1996-11-29 WO PCT/IB1996/001328 patent/WO1997020241A1/en active IP Right Grant
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008153124A (ja) * | 2006-12-19 | 2008-07-03 | Koito Mfg Co Ltd | 車両用照明灯具 |
JP4695059B2 (ja) * | 2006-12-19 | 2011-06-08 | 株式会社小糸製作所 | 車両用照明灯具 |
JP2014127437A (ja) * | 2012-12-27 | 2014-07-07 | Koito Mfg Co Ltd | 灯具ユニット |
Also Published As
Publication number | Publication date |
---|---|
US5966250A (en) | 1999-10-12 |
EP0805995B1 (en) | 2003-04-09 |
DE69627306T2 (de) | 2004-02-12 |
DE69627306D1 (de) | 2003-05-15 |
EP0805995A1 (en) | 1997-11-12 |
WO1997020241A1 (en) | 1997-06-05 |
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