JP4254747B2 - 光源装置及び投影装置 - Google Patents
光源装置及び投影装置 Download PDFInfo
- Publication number
- JP4254747B2 JP4254747B2 JP2005159277A JP2005159277A JP4254747B2 JP 4254747 B2 JP4254747 B2 JP 4254747B2 JP 2005159277 A JP2005159277 A JP 2005159277A JP 2005159277 A JP2005159277 A JP 2005159277A JP 4254747 B2 JP4254747 B2 JP 4254747B2
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- Prior art keywords
- light
- light source
- stepped
- slope
- projection
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0045—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide
- G02B6/0046—Tapered light guide, e.g. wedge-shaped light guide
- G02B6/0048—Tapered light guide, e.g. wedge-shaped light guide with stepwise taper
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4298—Coupling light guides with opto-electronic elements coupling with non-coherent light sources and/or radiation detectors, e.g. lamps, incandescent bulbs, scintillation chambers
-
- 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
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2013—Plural light sources
-
- 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
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2033—LED or laser light sources
-
- 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
- G03B21/208—Homogenising, shaping of the illumination light
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
- G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Projection Apparatus (AREA)
Description
なお、上記実施の形態では、光源装置22を構成する光源ハウジング30の形状を、図2及び図3に示した如く階段状の各斜面の格段を形成する蹴上げ面部が光軸に平行であるものとして説明したが、本発明はこれに限らず、例えば各蹴上げ面部が下底面開口側に開いた構成をとるものとしてもよい。
なお、上記図3、図4に示した光源装置22の構成では、いずれも光源ハウジング30を構成する階段状の各斜面の踏み板面部に配列したレンズ付きのLED31,31,‥‥が、配光方向の中心軸を光軸と平行にしているものとして説明したが、本発明はこれに限ることなく、例えば図4に示した構成から、各LED31,31,‥‥の配光方向の中心軸を最寄りの蹴上げ面部と平行となるようにしてもよい。
図6は、本実施の形態に係る光源ハウジング30の第3の変形例を示すものであり、上記図3乃至図5と同様にその縦断面を示す。同図で光源ハウジング30は、その軸方向が水平な光軸となり、下底面が投影画像と相似した例えば内径のアスペクト比が縦3:横4の矩形の開口となる、各斜面が階段状となった角錐台形で構成される。
Claims (3)
- 各斜面が階段状となり、下底面が開口し、内面全面が光反射部材で形成された角錐台形の光源ハウジングと、
上記光源ハウジングの上底面、及び上記階段状の各斜面の踏み板面部に配列され、内面側に突出した発光部を下底面開口側に向けて配列された複数の発光素子と、
を備え、
上記階段状の各斜面を構成する各段の蹴上げ面部は、上記上底面に近い端部に比して上記下底面に近い端部の方が角錐台形の軸位置からの距離が大きくなるような傾斜を付けて形成され、
上記発光素子は、その主光軸が近接する上記蹴上げ面部に平行となるように配置される
ことを特徴とする光源装置。 - 上記階段状の各斜面の上記下底面開口に隣接する最下段の蹴上げ面部の高さを他の段より大きくしたことを特徴とする請求項1記載の光源装置。
- 各斜面が階段状となり、下底面が開口し、内面全面が光反射部材で形成された角錐形の光源ハウジング、及びこの光源ハウジングの上底面、及び上記階段状の各斜面の踏み板面部に配列され、内面側に突出した発光部を下底面開口側に向けて配列された複数の発光素子を有し、上記階段状の各斜面を構成する各段の蹴上げ面部は、上記上底面に近い端部に比して上記下底面に近い端部の方が角錐台形の軸位置からの距離が大きくなるような傾斜を付けて形成され、上記発光素子は、その主光軸が近接する上記蹴上げ面部に平行となるように配置されることを特徴とする光源部と、
この光源部の上記複数の発光素子を発光駆動する発光駆動手段と、
この発光駆動手段で発光駆動された光源ハウジングからの出射光束により投影光像を形成する光変調手段と、
この光変調手段で形成された投影光像を投影対象に向けて投影する投影手段と
を具備したことを特徴とする投影装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005159277A JP4254747B2 (ja) | 2005-05-31 | 2005-05-31 | 光源装置及び投影装置 |
US11/441,986 US7591559B2 (en) | 2005-05-31 | 2006-05-26 | Image projector and a light source for use in the projector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005159277A JP4254747B2 (ja) | 2005-05-31 | 2005-05-31 | 光源装置及び投影装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006337486A JP2006337486A (ja) | 2006-12-14 |
JP4254747B2 true JP4254747B2 (ja) | 2009-04-15 |
Family
ID=37463103
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005159277A Expired - Fee Related JP4254747B2 (ja) | 2005-05-31 | 2005-05-31 | 光源装置及び投影装置 |
Country Status (2)
Country | Link |
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US (1) | US7591559B2 (ja) |
JP (1) | JP4254747B2 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4244957B2 (ja) * | 2005-05-19 | 2009-03-25 | カシオ計算機株式会社 | 光源装置及び投影装置 |
US8547248B2 (en) | 2005-09-01 | 2013-10-01 | Proteus Digital Health, Inc. | Implantable zero-wire communications system |
US8718193B2 (en) | 2006-11-20 | 2014-05-06 | Proteus Digital Health, Inc. | Active signal processing personal health signal receivers |
AU2008201153C1 (en) * | 2007-03-28 | 2011-01-06 | Aristocrat Technologies Australia Pty Limited | A Modular Visual Output Component |
CN101368686B (zh) * | 2007-08-14 | 2011-06-29 | 富士迈半导体精密工业(上海)有限公司 | 光源组件及其导光板、以及背光模组 |
WO2009070773A1 (en) | 2007-11-27 | 2009-06-04 | Proteus Biomedical, Inc. | Transbody communication systems employing communication channels |
US7871165B2 (en) * | 2007-11-30 | 2011-01-18 | Eastman Kodak Company | Stereo projection apparatus using polarized solid state light sources |
JP2009237546A (ja) * | 2008-03-07 | 2009-10-15 | Sanyo Electric Co Ltd | 投写型映像表示装置および照明装置 |
JP5673136B2 (ja) * | 2011-01-25 | 2015-02-18 | 日亜化学工業株式会社 | 光源 |
TWI442089B (zh) * | 2012-02-17 | 2014-06-21 | Delta Electronics Inc | 分光結構及具有該分光結構之光機系統 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6218775A (ja) | 1985-07-18 | 1987-01-27 | Stanley Electric Co Ltd | Ledランプ |
JP3006812B2 (ja) | 1993-02-15 | 2000-02-07 | スタンレー電気株式会社 | 車両用信号灯具 |
CA2350239A1 (en) * | 1998-11-04 | 2000-05-11 | Rayteq Laser Industries Ltd. | Radiating adder |
JP2000231344A (ja) | 1999-02-10 | 2000-08-22 | Toshiba Corp | 投写型表示装置の照明装置 |
US7077525B2 (en) * | 2001-02-06 | 2006-07-18 | Optics 1, Inc | Led-based flashlight |
US6956701B1 (en) * | 2004-04-26 | 2005-10-18 | Infocus Corporation | Method and apparatus for combining light paths of multiple colored light sources through a common integration tunnel |
JP2003262795A (ja) | 2002-03-11 | 2003-09-19 | Seiko Epson Corp | 照明装置 |
JP4037691B2 (ja) | 2002-06-07 | 2008-01-23 | Necディスプレイソリューションズ株式会社 | 光源装置及び投写型表示装置 |
US6952162B2 (en) * | 2003-07-24 | 2005-10-04 | Monck Joan M | Multidirectional cluster lights for motor vehicles |
US7101063B2 (en) * | 2004-02-05 | 2006-09-05 | Hewlett-Packard Development Company, L.P. | Systems and methods for integrating light |
JP4244957B2 (ja) * | 2005-05-19 | 2009-03-25 | カシオ計算機株式会社 | 光源装置及び投影装置 |
-
2005
- 2005-05-31 JP JP2005159277A patent/JP4254747B2/ja not_active Expired - Fee Related
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2006
- 2006-05-26 US US11/441,986 patent/US7591559B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20060268546A1 (en) | 2006-11-30 |
JP2006337486A (ja) | 2006-12-14 |
US7591559B2 (en) | 2009-09-22 |
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