JP5415539B2 - 均一コリメート光を生成するための小型光学システム - Google Patents
均一コリメート光を生成するための小型光学システム Download PDFInfo
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- JP5415539B2 JP5415539B2 JP2011524462A JP2011524462A JP5415539B2 JP 5415539 B2 JP5415539 B2 JP 5415539B2 JP 2011524462 A JP2011524462 A JP 2011524462A JP 2011524462 A JP2011524462 A JP 2011524462A JP 5415539 B2 JP5415539 B2 JP 5415539B2
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- optical system
- lens
- light
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- 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
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- 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
- F21V5/00—Refractors for light sources
- F21V5/008—Combination of two or more successive refractors along an optical axis
-
- 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
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
- F21V5/045—Refractors for light sources of lens shape the lens having discontinuous faces, e.g. Fresnel lenses
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2101/00—Point-like light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
- F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S362/00—Illumination
- Y10S362/80—Light emitting diode
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Optical Elements Other Than Lenses (AREA)
- Planar Illumination Modules (AREA)
Description
Claims (8)
- ほぼコリメートされた光を前方向へ生成する光学システムであって、当該光学システムは、互いに直交する長軸及び短軸を有し、前記前方向は、前記長軸及び前記短軸に直角であり、当該光学システムは、
少なくとも1つの光源と、
前記少なくとも1つの光源に光学的に結合される側部放射レンズであって、当該側部放射レンズは、前記少なくとも1つの光源から発される光の一部を、前記前方向と直角であり且つ前記長軸とは平行である側部放射光にするように、方向転換させるように構成される、側部放射レンズと、
前記側部放射レンズから前記側部放射光を受け且つほぼ前記前方向へ前記光を方向転換させるように配置される少なくとも1つの反射器であって、当該反射器は、ほぼ均一の照明が前記光学システムの出口平面にわたり生成され且つ前記光が前記前方向及び前記短軸によって規定される平面に対して前記前方向においてほぼコリメートされるように、構成される、反射器と、
前記少なくとも1つの反射器から前記前方向に方向転換された光を受けるように結合されるフラネルレンズであって、前記フラネルレンズは、前記前方向及び前記長軸によって規定される平面に対して前記前方向に方向転換された光をほぼコリメートする、フラネルレンズと、
を有し、
前記側部放射レンズは、前記前方向及び前記長軸によって規定される平面に沿って側部放射レンズの断面形状を有し、前記側部放射レンズは、前記短軸に沿う各点において同一の断面形状を有し、
前記フラネルレンズは、前記前方向及び前記短軸によって規定される平面に沿ってフラネルレンズの断面形状を有し、前記フラネルレンズは、前記長軸に沿う各点において同一の断面形状を有する、光学システム。 - 請求項1に記載の光学システムであって、2つの反射器が存在し、前記側部放射レンズは当該2つの反射器の間に配置される、システム。
- 請求項1に記載の光学システムであって、前記少なくとも1つの光源は、前記短軸と平行に配置される複数の光源である、光学システム。
- 請求項3に記載の光学システムであって、前記光源は、発光ダイオードである、光学システム。
- 請求項1に記載の光学システムであって、前記側部放射レンズの前記断面形状は、上部分及び底部分を含み、前記上部分は、「V」形状を有し、前記「V」形状の各腕は、前記「V」形状の内部に反射表面及び前記「V」形状の外側に屈折表面を含み、前記底部分は、前記「V」形状の前記屈折表面から平滑な曲線として延在する屈折表面を有し、前記側部放射レンズの前記断面形状は、更に、前記光源が配置される空洞を含む、光学システム。
- 請求項1に記載の光学システムであって、前記少なくとも1つの反射器は、前記側部放射レンズから異なる距離に且つ前記前方向に対して異なる高さで位置される複数の反射器表面を有する少なくとも1つの段付き多焦点反射器であり、前記複数の反射器表面は、各反射器表面の前記距離及び高さに基づき変化を有する異なる焦点長を有し、前記焦点長の構成、前記側部放射レンズからの前記距離、及び各反射器表面の高さは、当該光学システムの前記出口平面にわたりほぼ均一な照明を生成し、前記前方向に前記光をほぼコリメートする、光学システム。
- 請求項6に記載の光学システムであって、前記複数の反射器表面は、互いに結合される、光学システム。
- 請求項1に記載の光学システムであって、前記反射器によってほぼコリメートされる光は、±15度以下の角度広がりを有し、光をほぼコリメートする前記フラネルレンズは、±15度以下の角度広がりで光を生成する、光学システム。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/851,244 US7967477B2 (en) | 2007-09-06 | 2007-09-06 | Compact optical system and lenses for producing uniform collimated light |
| PCT/IB2008/053640 WO2009031128A1 (en) | 2007-09-06 | 2008-09-09 | Compact optical system and lenses for prodcuing uniform collimated light |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2012502409A JP2012502409A (ja) | 2012-01-26 |
| JP5415539B2 true JP5415539B2 (ja) | 2014-02-12 |
Family
ID=40029307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011524462A Expired - Fee Related JP5415539B2 (ja) | 2007-09-06 | 2008-09-09 | 均一コリメート光を生成するための小型光学システム |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US7967477B2 (ja) |
| EP (1) | EP2334980B1 (ja) |
| JP (1) | JP5415539B2 (ja) |
| KR (1) | KR101565609B1 (ja) |
| CN (1) | CN102149964B (ja) |
| RU (1) | RU2475672C2 (ja) |
| TW (1) | TWI510738B (ja) |
| WO (1) | WO2009031128A1 (ja) |
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- 2008-09-03 TW TW097133773A patent/TWI510738B/zh not_active IP Right Cessation
- 2008-09-09 WO PCT/IB2008/053640 patent/WO2009031128A1/en not_active Ceased
- 2008-09-09 RU RU2011113163/07A patent/RU2475672C2/ru active
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- 2008-09-09 KR KR1020117008104A patent/KR101565609B1/ko not_active Expired - Fee Related
- 2008-09-09 EP EP08789678.3A patent/EP2334980B1/en not_active Not-in-force
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| Publication number | Publication date |
|---|---|
| US7967477B2 (en) | 2011-06-28 |
| RU2011113163A (ru) | 2012-10-20 |
| KR101565609B1 (ko) | 2015-11-03 |
| TWI510738B (zh) | 2015-12-01 |
| WO2009031128A1 (en) | 2009-03-12 |
| KR20110056405A (ko) | 2011-05-27 |
| EP2334980B1 (en) | 2014-12-17 |
| EP2334980A1 (en) | 2011-06-22 |
| JP2012502409A (ja) | 2012-01-26 |
| CN102149964A (zh) | 2011-08-10 |
| CN102149964B (zh) | 2013-07-17 |
| US20090067170A1 (en) | 2009-03-12 |
| RU2475672C2 (ru) | 2013-02-20 |
| TW200925501A (en) | 2009-06-16 |
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