JP5053531B2 - フレネルレンズ - Google Patents
フレネルレンズ Download PDFInfo
- Publication number
- JP5053531B2 JP5053531B2 JP2005266321A JP2005266321A JP5053531B2 JP 5053531 B2 JP5053531 B2 JP 5053531B2 JP 2005266321 A JP2005266321 A JP 2005266321A JP 2005266321 A JP2005266321 A JP 2005266321A JP 5053531 B2 JP5053531 B2 JP 5053531B2
- Authority
- JP
- Japan
- Prior art keywords
- prism
- fresnel lens
- degrees
- total reflection
- deflection 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/02—Simple or compound lenses with non-spherical faces
- G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/30—Arrangements for concentrating solar-rays for solar heat collectors with lenses
- F24S23/31—Arrangements for concentrating solar-rays for solar heat collectors with lenses having discontinuous faces, e.g. Fresnel lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/50—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images the image being built up from image elements distributed over a 3D volume, e.g. voxels
- G02B30/56—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images the image being built up from image elements distributed over a 3D volume, e.g. voxels by projecting aerial or floating images
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/04—Prisms
- G02B5/045—Prism arrays
-
- 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
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
- G03B21/62—Translucent screens
- G03B21/625—Lenticular translucent screens
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Optical Elements Other Than Lenses (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Planar Illumination Modules (AREA)
- Lenses (AREA)
Description
〔発明の実施の形態〕
β=sin-1(nsinα)−α
となる。
β=90−sin-1(nsin(2α−90))
となり、
図5に示す2回全反射の場合の偏角βは、
β=α−sin-1(3α−180)
となる。
β=α−sin-1(nsin((m+1)α−90m))
となり、
mが奇数の場合は、
β=90−sin-1(nsin(m+1)α−90m))
となる。
Claims (4)
- 複数のプリズムからなるフレネルレンズであって、レンズの中央に位置して焦点からの入射光またはその反対側からの光軸に平行な入射光を全反射させない頂角を有するプリズムからなる第1の区域、及びその外側に位置して該入射光をプリズムの内部で2回全反射させる頂角を有するプリズムからなる第2の区域を具備する、フレネルレンズ。
- 前記第2の区域のさらに外側に位置し、前記入射光をプリズムの内部で1回全反射させる頂角を有するプリズムからなる第3の区域をさらに具備する請求項1記載のフレネルレンズ。
- 屈折率1.485以上1.495未満の材料からなり、前記第1の区域に属するプリズムの偏角は20度以下であり、前記第2の区域に属するプリズムの偏角は19度以上32度以下であり、前記第3の区域に属するプリズムの偏角は30度以上である請求項2記載のフレネルレンズ。
- 屈折率1.395以上1.405未満の材料からなり、前記第1の区域に属するプリズムの偏角は19度以下であり、前記第2の区域に属するプリズムの偏角は18度以上32度以下であり、前記第3の区域に属するプリズムの偏角は31度以上である請求項2記載のフレネルレンズ。
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005266321A JP5053531B2 (ja) | 2005-09-14 | 2005-09-14 | フレネルレンズ |
EP06803349A EP1932030A4 (en) | 2005-09-14 | 2006-09-11 | Fresnel lens |
US12/063,042 US7701648B2 (en) | 2005-09-14 | 2006-09-11 | Fresnel lens |
MX2008003429A MX2008003429A (es) | 2005-09-14 | 2006-09-11 | Lente de fresnel. |
KR1020087006221A KR20080038405A (ko) | 2005-09-14 | 2006-09-11 | 프레넬 렌즈 |
BRPI0615820-0A BRPI0615820A2 (pt) | 2005-09-14 | 2006-09-11 | lente fresnel |
CA002622126A CA2622126A1 (en) | 2005-09-14 | 2006-09-11 | Fresnel lens |
RU2008109316/28A RU2008109316A (ru) | 2005-09-14 | 2006-09-11 | Линза френеля |
CN2006800338558A CN101263406B (zh) | 2005-09-14 | 2006-09-11 | 菲涅尔透镜 |
PCT/US2006/035335 WO2007033089A1 (en) | 2005-09-14 | 2006-09-11 | Fresnel lens |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005266321A JP5053531B2 (ja) | 2005-09-14 | 2005-09-14 | フレネルレンズ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007079082A JP2007079082A (ja) | 2007-03-29 |
JP5053531B2 true JP5053531B2 (ja) | 2012-10-17 |
Family
ID=37865271
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005266321A Expired - Fee Related JP5053531B2 (ja) | 2005-09-14 | 2005-09-14 | フレネルレンズ |
Country Status (10)
Country | Link |
---|---|
US (1) | US7701648B2 (ja) |
EP (1) | EP1932030A4 (ja) |
JP (1) | JP5053531B2 (ja) |
KR (1) | KR20080038405A (ja) |
CN (1) | CN101263406B (ja) |
BR (1) | BRPI0615820A2 (ja) |
CA (1) | CA2622126A1 (ja) |
MX (1) | MX2008003429A (ja) |
RU (1) | RU2008109316A (ja) |
WO (1) | WO2007033089A1 (ja) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
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RU2297020C1 (ru) * | 2005-09-16 | 2007-04-10 | Самсунг Электромеканикс (СЕМКО) | Микролинзовый массив, основанный на эффекте полного внутреннего отражения, для широкоугольных осветительных систем |
US9400394B2 (en) * | 2007-05-14 | 2016-07-26 | Heptagon Micro Optics Pte. Ltd. | Illumination system |
WO2008152157A1 (es) * | 2007-06-12 | 2008-12-18 | Concentración Solar La Mancha, S.L. | Sistema óptico refractivo para captación y concentración de energía solar |
JP5248305B2 (ja) * | 2008-12-26 | 2013-07-31 | 日本特殊光学樹脂株式会社 | ソーラーシステム |
CN101561115B (zh) * | 2009-04-08 | 2012-07-25 | 上海三思电子工程有限公司 | 一种led用超薄透镜的设计方法 |
JP5358280B2 (ja) * | 2009-05-12 | 2013-12-04 | 日立コンシューマエレクトロニクス株式会社 | 投写ボード装置、及びこれに用いる透過型スクリーン |
JP5054725B2 (ja) * | 2009-05-14 | 2012-10-24 | 日本特殊光学樹脂株式会社 | ソーラーシステム用フレネルレンズ及びソーラーシステム |
JP5054730B2 (ja) * | 2009-06-04 | 2012-10-24 | 日本特殊光学樹脂株式会社 | ソーラーシステム用フレネルレンズ及びソーラーシステム |
CN101995593A (zh) * | 2009-08-19 | 2011-03-30 | 富士迈半导体精密工业(上海)有限公司 | 非成像聚光透镜及太阳能聚光装置 |
EP2343578A1 (en) * | 2009-12-23 | 2011-07-13 | José Vicente Garcia Ortiz | A fresnel-type lens |
US9097841B2 (en) * | 2010-03-12 | 2015-08-04 | Luigi Salvatore Fornari | Fresnel lens array with novel lens element profile |
DE102010014107A1 (de) * | 2010-04-07 | 2011-10-13 | Concentrix Solar Gmbh | Optische Anordnung zur Konzentration von Strahlung |
JP6006547B2 (ja) * | 2011-07-06 | 2016-10-12 | ミネベア株式会社 | 照明装置及びこれに用いるレンズシート |
US9122000B2 (en) * | 2011-08-24 | 2015-09-01 | Minebea Co., Ltd. | Illuminator using a combination of pseudo-white LED and lens sheet |
JP5192067B2 (ja) | 2011-09-09 | 2013-05-08 | シャープ株式会社 | フレネルレンズ |
TWI475706B (zh) * | 2012-01-11 | 2015-03-01 | Nat Univ Chung Hsing | A collector and a solar cell module with a collector |
JP2013161611A (ja) * | 2012-02-03 | 2013-08-19 | Optex Fa Co Ltd | 環状照明装置 |
US20130286653A1 (en) * | 2012-04-30 | 2013-10-31 | Qualcomm Mems Technologies, Inc. | Multi-beam light engine |
US9201228B1 (en) | 2013-02-27 | 2015-12-01 | Focal Technologies, Inc. | Light processing system |
JP6217590B2 (ja) * | 2013-11-05 | 2017-10-25 | 信越化学工業株式会社 | 紫外線硬化性接着性オルガノポリシロキサン組成物 |
EP3080364B1 (en) | 2013-12-15 | 2019-02-20 | VKR Holding A/S | Skylight with sunlight pivot |
JP6370626B2 (ja) * | 2014-07-24 | 2018-08-08 | オリンパス株式会社 | 照明光学系、照明装置、及び照明光学素子 |
US10338451B2 (en) | 2015-08-03 | 2019-07-02 | Facebook Technologies, Llc | Devices and methods for removing zeroth order leakage in beam steering devices |
US10437061B2 (en) | 2015-08-03 | 2019-10-08 | Facebook Technologies, Llc | Near-ocular display based on hologram projection |
US10297180B2 (en) | 2015-08-03 | 2019-05-21 | Facebook Technologies, Llc | Compensation of chromatic dispersion in a tunable beam steering device for improved display |
US10552676B2 (en) | 2015-08-03 | 2020-02-04 | Facebook Technologies, Llc | Methods and devices for eye tracking based on depth sensing |
US10459305B2 (en) | 2015-08-03 | 2019-10-29 | Facebook Technologies, Llc | Time-domain adjustment of phase retardation in a liquid crystal grating for a color display |
JP2017059472A (ja) * | 2015-09-18 | 2017-03-23 | ミネベアミツミ株式会社 | 照明装置 |
US10665942B2 (en) * | 2015-10-16 | 2020-05-26 | At&T Intellectual Property I, L.P. | Method and apparatus for adjusting wireless communications |
US10416454B2 (en) * | 2015-10-25 | 2019-09-17 | Facebook Technologies, Llc | Combination prism array for focusing light |
US10247858B2 (en) | 2015-10-25 | 2019-04-02 | Facebook Technologies, Llc | Liquid crystal half-wave plate lens |
US10203566B2 (en) | 2015-12-21 | 2019-02-12 | Facebook Technologies, Llc | Enhanced spatial resolution using a segmented electrode array |
CN106772718B (zh) * | 2017-01-16 | 2018-11-02 | 广州弥德科技有限公司 | 菲涅尔透镜及具有该菲涅尔透镜的显示装置 |
CN107490862B (zh) | 2017-03-23 | 2019-10-25 | 华为机器有限公司 | 近眼显示器及近眼显示*** |
CN107490816B (zh) * | 2017-08-04 | 2019-06-11 | 广州市焦汇光电科技有限公司 | 全反射型菲涅尔透镜 |
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US2117252A (en) | 1935-12-18 | 1938-05-10 | Kapella Ltd | Lens for photography and the like |
US4337759A (en) | 1979-10-10 | 1982-07-06 | John M. Popovich | Radiant energy concentration by optical total internal reflection |
JPS62195601A (ja) * | 1985-09-20 | 1987-08-28 | Nissho Giken Kk | 光の方向変換装置 |
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ES2157846B1 (es) * | 1999-12-02 | 2002-03-01 | Univ Madrid Politecnica | Dispositivo con lente discontinua de reflexion total interna y dioptrico asferico para concentracion o colimacion de energia radiante. |
US6821810B1 (en) | 2000-08-07 | 2004-11-23 | Taiwan Semiconductor Manufacturing Company | High transmittance overcoat for optimization of long focal length microlens arrays in semiconductor color imagers |
JP2002055273A (ja) | 2000-08-07 | 2002-02-20 | Enplas Corp | 撮像レンズ |
JP2002221611A (ja) * | 2001-01-26 | 2002-08-09 | Nippon Tokushu Kogaku Jushi Kk | プロジェクション映像表示装置用プリズムシート、シート状光学素子、シート状光学素子の製造方法及びプロジェクション映像表示装置 |
JP2002221605A (ja) | 2001-01-26 | 2002-08-09 | Sharp Corp | フレネルレンズ、及びそれを用いた照明装置と表示装置、並びにフレネルレンズの設計方法とその設計装置 |
KR100390435B1 (ko) | 2001-04-25 | 2003-07-07 | 엘지전자 주식회사 | 디지털 카메라용 광학계 |
DE10214566B4 (de) | 2002-04-02 | 2007-05-24 | G.L.I. Global Light Industries Gmbh | Homogen paralleles Licht emittierende Leuchtdiode |
US7102820B2 (en) * | 2002-08-16 | 2006-09-05 | Infocus Corporation | Flat valley fresnel lens for a display device |
US20040112424A1 (en) | 2002-10-03 | 2004-06-17 | Daido Steel Co., Ltd. | Solar cell assembly, and photovoltaic solar electric generator of concentrator type |
FR2864851A1 (fr) * | 2004-01-07 | 2005-07-08 | Thomson Licensing Sa | Lentille de fresnel et dispositif d'affichage a projection utilisant une telle lentille |
-
2005
- 2005-09-14 JP JP2005266321A patent/JP5053531B2/ja not_active Expired - Fee Related
-
2006
- 2006-09-11 RU RU2008109316/28A patent/RU2008109316A/ru not_active Application Discontinuation
- 2006-09-11 CN CN2006800338558A patent/CN101263406B/zh not_active Expired - Fee Related
- 2006-09-11 CA CA002622126A patent/CA2622126A1/en not_active Abandoned
- 2006-09-11 EP EP06803349A patent/EP1932030A4/en not_active Withdrawn
- 2006-09-11 BR BRPI0615820-0A patent/BRPI0615820A2/pt not_active IP Right Cessation
- 2006-09-11 US US12/063,042 patent/US7701648B2/en not_active Expired - Fee Related
- 2006-09-11 WO PCT/US2006/035335 patent/WO2007033089A1/en active Application Filing
- 2006-09-11 KR KR1020087006221A patent/KR20080038405A/ko not_active Application Discontinuation
- 2006-09-11 MX MX2008003429A patent/MX2008003429A/es active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
KR20080038405A (ko) | 2008-05-06 |
CN101263406B (zh) | 2010-08-11 |
JP2007079082A (ja) | 2007-03-29 |
CA2622126A1 (en) | 2007-03-22 |
BRPI0615820A2 (pt) | 2011-05-24 |
MX2008003429A (es) | 2008-03-27 |
US7701648B2 (en) | 2010-04-20 |
WO2007033089A1 (en) | 2007-03-22 |
US20080204901A1 (en) | 2008-08-28 |
CN101263406A (zh) | 2008-09-10 |
EP1932030A1 (en) | 2008-06-18 |
RU2008109316A (ru) | 2009-10-20 |
EP1932030A4 (en) | 2010-12-01 |
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