JP7130913B2 - 光学装置および照明装置 - Google Patents
光学装置および照明装置 Download PDFInfo
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- JP7130913B2 JP7130913B2 JP2018121626A JP2018121626A JP7130913B2 JP 7130913 B2 JP7130913 B2 JP 7130913B2 JP 2018121626 A JP2018121626 A JP 2018121626A JP 2018121626 A JP2018121626 A JP 2018121626A JP 7130913 B2 JP7130913 B2 JP 7130913B2
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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
- F21V7/00—Reflectors for light sources
- F21V7/0008—Reflectors for light sources providing for indirect lighting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/0025—Combination of two or more reflectors for a single light source
-
- 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
- F21V5/043—Refractors for light sources of lens shape the lens having cylindrical faces, e.g. rod lenses, toric lenses
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/0025—Combination of two or more reflectors for a single light source
- F21V7/0033—Combination of two or more reflectors for a single light source with successive reflections from one reflector to the next or following
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/0091—Reflectors for light sources using total internal reflection
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
- F21V7/043—Optical design with cylindrical surface
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
- F21V7/05—Optical design plane
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
- F21V7/09—Optical design with a combination of different curvatures
-
- 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
-
- 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
-
- 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
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0018—Redirecting means on the surface of the light guide
-
- 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
-
- 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]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
10 光学装置(光学システム)、 11 光学素子(透光性部材)
23 第2の反射面、 24 第3の反射面
31、31a~31f 第1の反射面
Claims (15)
- 第1の軸に沿って入射される、前記第1の軸に平行な光軸を備えた配光特性の第1の光を前記第1の軸の周りの円弧状の第1の範囲に反射するように配置された第1の反射面と、
前記第1の軸で交差し、前記第1の反射面を挟むように配置された第2の反射面および第3の反射面とを有し、
前記第1の反射面は、前記第1の軸に沿った方向で分割された複数の反射面を含み、さらに、
前記複数の反射面を内側に備え、内面が前記複数の反射面と、前記複数の反射面にそれぞれ対応する複数の透過面とを含む多段状で、前記第1の軸に垂直な断面が扇形の透光性部材を有する、光学装置。 - 請求項1において、
前記第2の反射面および前記第3の反射面の少なくとも一方の反射面は、前記第1の反射面と交差する、光学装置。 - 請求項1または2において、
前記透光性部材は、前記複数の反射面に対応して設けられた複数の出射面を含む、光学装置。 - 請求項3において、
前記複数の出射面は、前記第1の軸に沿った方向の断面がそれぞれ湾曲している部分を含む、光学装置。 - 請求項3または4において、
前記複数の出射面は、前記第1の軸に垂直な断面が非円形である部分を含む、光学装置。 - 請求項1ないし5のいずれかにおいて、
前記透光性部材は、前記多段状の内面の最も入射側の最下段に、前記第1の光の一部を透過する面を含む、光学装置。 - 請求項6において、
前記透光性部材の前記最下段の内面および外面の少なくともいずれかに反射防止層が設けられている、光学装置。 - 請求項6または7において、
前記透光性部材の前記最下段の内面および外面の少なくともいずれかに拡散加工が施されている、光学装置。 - 請求項1ないし8のいずれかにおいて、
前記透光性部材は、前記第1の軸を周る方向の両側に配置された端面を含み、前記端面に反射防止または拡散加工が施されている、光学装置。 - 平面視が略扇形で、前記平面に直交する第1の軸の一方の端に設けられた開口を含む光学素子と、
前記第1の軸で交差し、前記光学素子を挟むように配置された反射面とを有する光学装置であって、
前記光学素子は、前記第1の軸に沿って断続的に配置され、前記開口と逆側から、前記開口に向かって段階的に内径が拡大するように順番に配置された同心円弧状の扇形の第1の透過面、第2の透過面および第3の透過面と、
前記第1の透過面、前記第2の透過面および前記第3の透過面の前記開口と逆側に、鋭角に傾くようにそれぞれ配置された円弧状の第4の反射面、第5の反射面および第6の反射面とを含む、光学装置。 - 第1の軸の周りの円弧状の第1の範囲に配置された第1の反射面であって、前記第1の軸と平行な光軸の光を前記第1の軸に直交する方向へ反射する第1の反射面と、
前記第1の軸で交差し、前記第1の反射面を挟むように配置された第2の反射面および第3の反射面とを有し、
前記第1の反射面は、前記第1の軸に沿った方向で分割された複数の反射面を含み、さらに
前記複数の反射面を内側に備え、内面が前記複数の反射面と、前記複数の反射面にそれぞれ対応する複数の透過面とを含む多段状で、前記第1の軸に垂直な断面が扇形の透光性部材を有する、光学装置。 - 請求項1ないし11のいずれかに記載の光学装置と、
前記第1の光を出力する光源とを有する照明装置。 - 請求項12において、
前記光源の前記光軸は前記第1の軸から外れている、照明装置。 - 平面視が略扇形で、前記平面に直交する第1の軸の一方の端に設けられた開口を含む光学素子であって、
前記第1の軸に沿って断続的に配置され、前記開口と逆側から、前記開口に向かって段階的に配置された同心円弧状の扇形の第1の透過面、第2の透過面および第3の透過面と、
前記第1の透過面、前記第2の透過面および前記第3の透過面の前記開口と逆側に鋭角に傾くようにそれぞれ配置された円弧状の第4の反射面、第5の反射面および第6の反射面とを有する、光学素子。 - 請求項14において、
前記同心円弧状の扇形の第1の透過面、第2の透過面および第3の透過面は、前記開口と逆側から、前記開口に向かって段階的に内径が拡大するように順番に配置された面である、光学素子。
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JP2018121626A JP7130913B2 (ja) | 2018-06-27 | 2018-06-27 | 光学装置および照明装置 |
EP19181778.2A EP3587913B1 (en) | 2018-06-27 | 2019-06-21 | Optical device and illumination device |
US16/453,926 US10760768B2 (en) | 2018-06-27 | 2019-06-26 | Optical device and illumination device |
CN201910565113.9A CN110645511B (zh) | 2018-06-27 | 2019-06-26 | 光学装置以及照明装置 |
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JP2018121626A JP7130913B2 (ja) | 2018-06-27 | 2018-06-27 | 光学装置および照明装置 |
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JP2020004563A JP2020004563A (ja) | 2020-01-09 |
JP7130913B2 true JP7130913B2 (ja) | 2022-09-06 |
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EP (1) | EP3587913B1 (ja) |
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JP6909393B2 (ja) * | 2018-11-09 | 2021-07-28 | 日亜化学工業株式会社 | 光学装置および照明装置 |
JP7360012B2 (ja) * | 2019-06-27 | 2023-10-12 | 日亜化学工業株式会社 | 光学装置および照明装置 |
JP2021144902A (ja) * | 2020-03-13 | 2021-09-24 | オムロン株式会社 | 導光部材、照明装置および表示装置 |
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- 2019-06-21 EP EP19181778.2A patent/EP3587913B1/en active Active
- 2019-06-26 CN CN201910565113.9A patent/CN110645511B/zh active Active
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JP2006173070A (ja) | 2004-12-13 | 2006-06-29 | Knowledge Co Ltd | 直交型警告兼用発光ダイオード懐中電灯及びその製法 |
CN101655213A (zh) | 2008-08-21 | 2010-02-24 | 鸿富锦精密工业(深圳)有限公司 | 发光二极管光源模组 |
JP2014170737A (ja) | 2013-02-06 | 2014-09-18 | Yoshinobu Yasuda | 電球形ledランプ |
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US10760768B2 (en) | 2020-09-01 |
CN110645511B (zh) | 2022-12-02 |
US20200018460A1 (en) | 2020-01-16 |
JP2020004563A (ja) | 2020-01-09 |
CN110645511A (zh) | 2020-01-03 |
EP3587913A1 (en) | 2020-01-01 |
EP3587913B1 (en) | 2021-05-19 |
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