JP4903767B2 - 混光装置 - Google Patents
混光装置 Download PDFInfo
- Publication number
- JP4903767B2 JP4903767B2 JP2008283592A JP2008283592A JP4903767B2 JP 4903767 B2 JP4903767 B2 JP 4903767B2 JP 2008283592 A JP2008283592 A JP 2008283592A JP 2008283592 A JP2008283592 A JP 2008283592A JP 4903767 B2 JP4903767 B2 JP 4903767B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- mixing device
- focal point
- hollow structure
- lens
- 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.)
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- 230000014509 gene expression Effects 0.000 claims 2
- 239000004973 liquid crystal related substance Substances 0.000 description 15
- 230000003287 optical effect Effects 0.000 description 9
- 239000003086 colorant Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 3
- 239000004926 polymethyl methacrylate Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
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- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 241001062872 Cleyera japonica Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
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- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Images
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
- G02B27/0905—Dividing and/or superposing multiple light beams
-
- 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
- G02B19/0061—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED
- G02B19/0066—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED in the form of an LED array
-
- 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
- G02B19/0071—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source adapted to illuminate a complete hemisphere or a plane extending 360 degrees around the source
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Led Device Packages (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Microscoopes, Condenser (AREA)
- Liquid Crystal (AREA)
Description
汪顕波、「大きいパワーを有して、白い光を放つ発光ダイオードで高輝度のバックライトの設計を実現する」、「現代表示」、第七十二期、第51頁
(実施形態1)
11 底板
12 発光ダイオードアレイ
12a 赤の発光ダイオード
12b 緑の発光ダイオード
12c 青色の発光ダイオード
14 拡散板
20 混光装置
23 共用の出射面
23a 第一出射面
23b 第二出射面
23c 第三出射面
24 レンズ
100 第一集光装置
110 第一光源
121 第一中空構造
121a 第一側面
121b 第一底面
122 第一外表面
200 第二集光装置
210 第二光源
221 第二中空構造
221a 第二側面
221b 第二底面
222 第二外表面
241 レンズの底面
242 レンズの表面
300 第三集光装置
310 第三光源
321 第三中空構造
321a 第三側面
321b 第三底面
322 第三外表面
400 集光装置
410 発光ダイオード
421 中空構造
421a 側面
421b 底面
422 外表面
423 出射面
Claims (9)
- 少なくとも二つの集光装置と、少なくとも二つの光源とを含む混光装置において、
各々の集光装置が楕球体であり、それぞれ長軸、第一焦点及び第二焦点を有し、該第一焦点を共用し、前記第一焦点及び第二焦点が前記長軸に設置され、
各々の光源がそれぞれ前記各々の集光装置の第二焦点に設置され、
前記混光装置が更に共用の出射面とレンズとを含み、該共用の出射面が前記第一焦点を経て、該レンズが前記共用の出射面に設置されることを特徴とする混光装置。 - 前記レンズが球欠であるレンズであり、該レンズが底面と表面とを含むことを特徴とする、請求項1に記載の混光装置。
- 前記レンズの底面の半径がrであり、該レンズの表面の曲率半径がfであり、rとfが条件式
f/r≧1 (式1)
を満足することを特徴とする、請求項2に記載の混光装置。 - 前記各々の集光装置が中空構造、該中空構造に相対して設置される出射面、及び該中空構造と該出射面を接続する外表面を含み、該中空構造が該集光装置の第二焦点を有する端部に設置し、前記光源が該中空構造に設置されることを特徴とする、請求項1から3のいずれか一項に記載の混光装置。
- 前記中空構造が側面と底面とを含み、前記光源が前記第二焦点に設置されることを特徴とする、請求項4に記載の混光装置。
- 前記中空構造の側面が円柱面又は円錐面であり、前記中空構造の底面が球面であることを特徴とする、請求項5に記載の混光装置。
- 前記混光装置の共用の出射面が平面又は曲面であり、前記各々の集光装置の長軸との成す各角度が40°以上で70°以下であることを特徴とする、請求項1から6のいずれか一項に記載の混光装置。
- 前記混光装置は、第一集光装置、第二集光装置及び第三集光装置を含み、該集光装置の長軸と他の集光装置の長軸の成す角度が同じであり、該各集光装置の長軸と共用の出射面との成す角度が同じであることを特徴とする、請求項1から7のいずれか一項に記載の混光装置。
- 前記光源が単色発光ダイオード又は多色発光ダイオードであることを特徴とする、請求項1から8のいずれか一項に記載の混光装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2007101242421A CN101424789B (zh) | 2007-11-02 | 2007-11-02 | 混光器 |
CN200710124242.1 | 2007-11-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009116331A JP2009116331A (ja) | 2009-05-28 |
JP4903767B2 true JP4903767B2 (ja) | 2012-03-28 |
Family
ID=40587915
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008283592A Active JP4903767B2 (ja) | 2007-11-02 | 2008-11-04 | 混光装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7878682B2 (ja) |
JP (1) | JP4903767B2 (ja) |
CN (1) | CN101424789B (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009266359A (ja) * | 2008-04-01 | 2009-11-12 | Panasonic Corp | 光学ヘッド、光ディスク装置及び情報記録及び/又は再生装置 |
EA025075B1 (ru) * | 2011-10-27 | 2016-11-30 | Крейн Ип Пту Лтд. | Носимое отражающее устройство |
US10976560B2 (en) * | 2018-07-26 | 2021-04-13 | Pixart Imaging Inc. | Navigation device, illumination system and light beam shaping optics thereof |
CN112449671B (zh) | 2018-07-27 | 2022-11-29 | 昕诺飞控股有限公司 | 准直透镜和照明装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2356573C2 (de) * | 1973-11-13 | 1982-04-01 | Agfa-Gevaert Ag, 5090 Leverkusen | Beleuchtungseinrichtung für ein Negativ in einem fotografischen Kopiergerät |
US6527411B1 (en) * | 2000-08-01 | 2003-03-04 | Visteon Corporation | Collimating lamp |
GB2395259A (en) * | 2002-11-07 | 2004-05-19 | E2V Tech Uk Ltd | Gas sensor with predetermined optical paths between its different detectors |
CN101076744B (zh) * | 2004-04-23 | 2010-05-12 | 光处方革新有限公司 | 用于发光二极管的光学歧管 |
-
2007
- 2007-11-02 CN CN2007101242421A patent/CN101424789B/zh active Active
-
2008
- 2008-08-07 US US12/187,847 patent/US7878682B2/en active Active
- 2008-11-04 JP JP2008283592A patent/JP4903767B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
CN101424789A (zh) | 2009-05-06 |
JP2009116331A (ja) | 2009-05-28 |
CN101424789B (zh) | 2010-09-29 |
US20090116238A1 (en) | 2009-05-07 |
US7878682B2 (en) | 2011-02-01 |
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