JP6775693B2 - 導光体を備える照明器具 - Google Patents
導光体を備える照明器具 Download PDFInfo
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- JP6775693B2 JP6775693B2 JP2019547625A JP2019547625A JP6775693B2 JP 6775693 B2 JP6775693 B2 JP 6775693B2 JP 2019547625 A JP2019547625 A JP 2019547625A JP 2019547625 A JP2019547625 A JP 2019547625A JP 6775693 B2 JP6775693 B2 JP 6775693B2
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- light guide
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- 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
- 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
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/08—Lighting devices intended for fixed installation with a standard
- F21S8/085—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light
-
- 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
- F21S8/08—Lighting devices intended for fixed installation with a standard
- F21S8/085—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light
- F21S8/086—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light with lighting device attached sideways of the standard, e.g. for roads and highways
-
- 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
- F21V7/0083—Array of reflectors for a cluster of light sources, e.g. arrangement of multiple light sources in one plane
-
- 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
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0031—Reflecting element, sheet or layer
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/10—Outdoor lighting
- F21W2131/103—Outdoor lighting of streets or roads
-
- 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
- F21Y2103/30—Elongate light sources, e.g. fluorescent tubes curved
-
- 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
- F21Y2105/00—Planar 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]
-
- 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
- G02B6/002—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 by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
-
- 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
- G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
-
- 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
-
- 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
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer
-
- 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
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0055—Reflecting element, sheet or layer
-
- 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
- G02B6/0065—Manufacturing aspects; Material aspects
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Manufacturing & Machinery (AREA)
Description
第1の主面と第2の主面との間にエッジ部を備える導光体であって、第1の主面は、光アウトカップリング要素(light outcoupling element)を規定し(define)、第2の主面は、照明器具の使用時に見える平坦な光出力面であり、一般光出力方向(general light output direction)が、第2の主面に垂直である、導光体と、
第1の主面に面する出力リフレクタ(output reflector)と、
エッジ部の周りに配置される固体照明要素のアレイであって、各固体照明要素は、一般光出力方向に沿って延びる光軸を有し、該一般光出力方向を向いている、固体照明要素のアレイと、
照明要素リフレクタのアレイ(array of lighting element reflectors)であって、対応するリフレクタが、光を導光体に反射するために各固体照明要素に関連付けられる、照明要素リフレクタのアレイと
を備える照明器具を提供する。
Claims (13)
- 第1の主面と第2の主面との間にエッジ部を備える導光体であって、前記第1の主面は、光アウトカップリング要素を規定し、前記第2の主面は、照明器具の使用時に見える平坦な光出力面であり、一般光出力方向が、前記第2の主面に垂直である、導光体と、
前記第1の主面に面する出力リフレクタと、
前記エッジ部の周りに配置される固体照明要素のアレイであって、各固体照明要素は、前記一般光出力方向に沿って延びる光軸を有し、該一般光出力方向を向いている、固体照明要素のアレイと、
照明要素リフレクタのアレイであって、対応するリフレクタが、光を前記導光体に反射するために各固体照明要素に関連付けられる、照明要素リフレクタのアレイと
を備え、
前記固体照明要素のアレイは、環状又は部分的に環状の形状を有する平坦なプリント回路基板上に設けられ、
前記平坦なプリント回路基板は、C形状を有し、前記固体照明要素は、端部におけるよりも、該端部から離れて互いにより近接して配置される、照明器具。 - 第1の主面と第2の主面との間にエッジ部を備える導光体であって、前記第1の主面は、光アウトカップリング要素を規定し、前記第2の主面は、照明器具の使用時に見える平坦な光出力面であり、一般光出力方向が、前記第2の主面に垂直である、導光体と、
前記第1の主面に面する出力リフレクタと、
前記エッジ部の周りに配置される固体照明要素のアレイであって、各固体照明要素は、前記一般光出力方向に沿って延びる光軸を有し、該一般光出力方向を向いている、固体照明要素のアレイと、
照明要素リフレクタのアレイであって、対応するリフレクタが、光を前記導光体に反射するために各固体照明要素に関連付けられる、照明要素リフレクタのアレイと
を備え、
前記導光体の前記エッジ部は、段状の形状を有し、各固体照明要素は、前記導光体の段部に設けられる、照明器具。 - 第1の主面と第2の主面との間にエッジ部を備える導光体であって、前記第1の主面は、光アウトカップリング要素を規定し、前記第2の主面は、照明器具の使用時に見える平坦な光出力面であり、一般光出力方向が、前記第2の主面に垂直である、導光体と、
前記第1の主面に面する出力リフレクタと、
前記エッジ部の周りに配置される固体照明要素のアレイであって、各固体照明要素は、前記一般光出力方向に沿って延びる光軸を有し、該一般光出力方向を向いている、固体照明要素のアレイと、
照明要素リフレクタのアレイであって、対応するリフレクタが、光を前記導光体に反射するために各固体照明要素に関連付けられる、照明要素リフレクタのアレイと
を備え、
前記導光体及び前記照明要素リフレクタのアレイが一体ユニットとして形成される、照明器具。 - 前記導光体の外形は、円形又は楕円形である、請求項1乃至3のいずれか一項に記載の照明器具。
- 前記光アウトカップリング要素は、3D光学要素又は印刷された白色ドットを含む、請求項1乃至4のいずれか一項に記載の照明器具。
- 前記光アウトカップリング要素は、プリズム要素を含む、請求項5に記載の照明器具。
- 前記導光体は、前記光アウトカップリング要素を除いて、均一な厚さを有する、請求項1乃至6のいずれか一項に記載の照明器具。
- 1000個以上の光アウトカップリング要素のアレイが存在する、請求項1乃至7のいずれか一項に記載の照明器具。
- 前記照明要素リフレクタは、反射デカルト楕円を含む、請求項1乃至8のいずれか一項に記載の照明器具。
- 20個以上の固体照明要素のアレイが存在する、請求項1乃至9のいずれか一項に記載の照明器具。
- 当該照明器具は、前記固体照明要素を個別に制御するよう構成されるコントローラを備える、請求項1乃至10のいずれか一項に記載の照明器具。
- 前記導光体は、ポリカーボネート、ポリ(メチルメタクリレート)及びポリエチレンテレフタレートから選択されるポリマー材料を含む、請求項1乃至11のいずれか一項に記載の照明器具。
- 当該照明器具は、街灯等の屋外照明器具である、請求項1乃至12のいずれか一項に記載の照明器具。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP17158805.6 | 2017-03-02 | ||
| EP17158805 | 2017-03-02 | ||
| PCT/EP2018/054123 WO2018158110A1 (en) | 2017-03-02 | 2018-02-20 | Luminaire with light guide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2020510969A JP2020510969A (ja) | 2020-04-09 |
| JP6775693B2 true JP6775693B2 (ja) | 2020-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2019547625A Expired - Fee Related JP6775693B2 (ja) | 2017-03-02 | 2018-02-20 | 導光体を備える照明器具 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US10422943B2 (ja) |
| EP (1) | EP3369985B1 (ja) |
| JP (1) | JP6775693B2 (ja) |
| CN (1) | CN110325787B (ja) |
| WO (1) | WO2018158110A1 (ja) |
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-
2018
- 2018-02-20 EP EP18157658.8A patent/EP3369985B1/en not_active Not-in-force
- 2018-02-20 WO PCT/EP2018/054123 patent/WO2018158110A1/en not_active Ceased
- 2018-02-20 CN CN201880015194.9A patent/CN110325787B/zh not_active Expired - Fee Related
- 2018-02-20 JP JP2019547625A patent/JP6775693B2/ja not_active Expired - Fee Related
- 2018-02-23 US US15/903,892 patent/US10422943B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2020510969A (ja) | 2020-04-09 |
| CN110325787B (zh) | 2022-05-17 |
| CN110325787A (zh) | 2019-10-11 |
| EP3369985A1 (en) | 2018-09-05 |
| US10422943B2 (en) | 2019-09-24 |
| EP3369985B1 (en) | 2020-06-10 |
| US20180306967A1 (en) | 2018-10-25 |
| WO2018158110A1 (en) | 2018-09-07 |
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