JP7164245B2 - 照明装置 - Google Patents
照明装置 Download PDFInfo
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- JP7164245B2 JP7164245B2 JP2021503602A JP2021503602A JP7164245B2 JP 7164245 B2 JP7164245 B2 JP 7164245B2 JP 2021503602 A JP2021503602 A JP 2021503602A JP 2021503602 A JP2021503602 A JP 2021503602A JP 7164245 B2 JP7164245 B2 JP 7164245B2
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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
- G02B6/0005—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 of the fibre type
- G02B6/0008—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 of the fibre type the light being emitted at the end of the fibre
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- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/24—Light guides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
- F21S41/143—Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/285—Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24 - F21S41/2805
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
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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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/101—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening permanently, e.g. welding, gluing or riveting
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
-
- 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
-
- 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
-
- 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
- G02B6/003—Lens or lenticular 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
- G02B6/0035—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
- G02B6/0055—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
- G02B6/0075—Arrangements of multiple light guides
- G02B6/0076—Stacked arrangements of multiple light guides of the same or different cross-sectional area
-
- 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
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
- F21V2200/30—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides doped with fluorescent agents
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- 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
- G02B6/0075—Arrangements of multiple light guides
- G02B6/0078—Side-by-side arrangements, e.g. for large area displays
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Planar Illumination Modules (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
Claims (14)
- 光源と、第1ライトガイドとを含む照明装置であって、
前記第1ライトガイドは、第1導光部と、第2導光部とを含み、前記第2導光部は、発光面を含み、前記光源から出射された光は、少なくとも部分的に前記第1導光部に結合して入り、前記第2導光部の前記発光面から出射され、
前記第2導光部の前記第1ライトガイドの中心線に垂直な断面の面積は、前記光源の光軸方向に沿って徐々に小さくなり、
前記発光面は、回転対称性を有さず、
前記発光面が回転対称性を有しないとは、前記発光面が前記第2導光部の軸線周りに任意の角度a回転した後、前記発光面自体と重ね合わされず、且つ0°<a<360°であり、
前記発光面は、正錐体又は正錐台の側面の一部であることを特徴とする照明装置。 - 前記正錐体又は正錐台の軸線は、前記第1導光部の中心線に平行で且つ重ならないことを特徴とする請求項1に記載の照明装置。
- 前記第2導光部は、第1反射面をさらに含み、前記発光面と前記第1反射面との組み合わせ面は、回転対称性を有し、
前記発光面と前記第1反射面との組み合わせ面が回転対称性を有するとは、前記発光面と前記第1反射面との組み合わせ面が前記第2導光部の軸線周りに任意の角度a回転した後、前記発光面と前記第1反射面との組み合わせ面自体と重ね合わされ、且つ0°<a<360°であることを特徴とする請求項2に記載の照明装置。 - 光源と、第1ライトガイドとを含む照明装置であって、
前記第1ライトガイドは、第1導光部と、第2導光部とを含み、前記第2導光部は、発光面を含み、前記光源から出射された光は、少なくとも部分的に前記第1導光部に結合して入り、前記第2導光部の前記発光面から出射され、
前記第2導光部の前記第1ライトガイドの中心線に垂直な断面の面積は、前記光源の光軸方向に沿って徐々に小さくなり、
前記発光面は、回転対称性を有さず、
前記発光面が回転対称性を有しないとは、前記発光面が前記第2導光部の軸線周りに任意の角度a回転した後、前記発光面自体と重ね合わされず、且つ0°<a<360°であり、
前記発光面は、斜錐体又は斜錐台の側面であることを特徴とする照明装置。 - 光源と、第1ライトガイドとを含む照明装置であって、
前記第1ライトガイドは、第1導光部と、第2導光部とを含み、前記第2導光部は、発光面を含み、前記光源から出射された光は、少なくとも部分的に前記第1導光部に結合して入り、前記第2導光部の前記発光面から出射され、
前記第2導光部の前記第1ライトガイドの中心線に垂直な断面の面積は、前記光源の光軸方向に沿って徐々に小さくなり、
前記発光面は、回転対称性を有さず、
前記発光面が回転対称性を有しないとは、前記発光面が前記第2導光部の軸線周りに任意の角度a回転した後、前記発光面自体と重ね合わされず、且つ0°<a<360°であり、
前記発光面は、楔形体の少なくとも一部の側面であることを特徴とする照明装置。 - 前記第2導光部は、対向設置された第1底面及び第2底面を含み、前記第2底面は、前記第2導光部の末端に設けられ、前記第2底面には、第2反射層が設けられていることを特徴とする請求項1~5のいずれか1項に記載の照明装置。
- 前記第1導光部は、柱体構造又は錐台構造であり、前記第1導光部と前記第2導光部は、一体成型されることを特徴とする請求項1~5のいずれか1項に記載の照明装置。
- 前記第1導光部の、前記第1ライトガイドの中心線に垂直な断面は、二つの丸みを含む方形構造であり、前記第2導光部の頂点の、前記断面内における正投影は、前記丸みから遠く離れる側に位置することを特徴とする請求項1~5のいずれか1項に記載の照明装置。
- 前記第2導光部は、第3反射面を含み、前記第3反射面は、前記第1導光部の少なくとも一部の側面に連続する面であることを特徴とする請求項7に記載の照明装置。
- 前記発光面には、散乱構造及び/又は蛍光層が設けられていることを特徴とする請求項1~5のいずれか1項に記載の照明装置。
- 前記第1ライトガイドは、放熱層と、透明接着層とをさらに含み、
前記放熱層は、前記第1導光部の少なくとも一部の側面に設けられ、前記第1ライトガイドを放熱し、
前記透明接着層は、前記放熱層を前記第1導光部の側面に接着し、前記第1ライトガイドの熱を前記放熱層に伝導させ、
前記透明接着層の屈折率は、前記第1ライトガイドの屈折率よりも低いことを特徴とする請求項1~5のいずれか1項に記載の照明装置。 - 前記照明装置は、光学レンズをさらに含み、
前記光源から出射された光の前記第1ライトガイドでの入射角が所定値よりも小さくなるように、前記光学レンズは、前記光源と前記第1ライトガイドとの間の光路に設けられていることを特徴とする請求項1~6のいずれか1項に記載の照明装置。 - 前記照明装置は、第2ライトガイドをさらに含み、前記第2ライトガイドは、第3導光部と、第4導光部とを含み、前記光源から出射された光は、少なくとも部分的に前記第3導光部に結合して入り、前記第4導光部の発光面から出射され、且つ、前記第1ライトガイドの末端と前記第2ライトガイドの末端とは、対向して当接するように設けられていることを特徴とする請求項1~5のいずれか1項に記載の照明装置。
- 前記照明装置は、反射ボウルをさらに含み、前記第2導光部は、前記反射ボウルの焦点位置に設けられ、前記反射ボウルは、前記発光面から出射された光を外部に反射することを特徴とする請求項1、4、5のいずれか1項に記載の照明装置。
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CN201910047287.6 | 2019-01-18 | ||
CN201910047287.6A CN111457275B (zh) | 2019-01-18 | 2019-01-18 | 一种照明装置 |
PCT/CN2019/127259 WO2020147515A1 (zh) | 2019-01-18 | 2019-12-23 | 一种照明装置 |
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JP2022502814A JP2022502814A (ja) | 2022-01-11 |
JP7164245B2 true JP7164245B2 (ja) | 2022-11-01 |
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US (1) | US11313527B2 (ja) |
EP (1) | EP3913278A4 (ja) |
JP (1) | JP7164245B2 (ja) |
CN (1) | CN111457275B (ja) |
WO (1) | WO2020147515A1 (ja) |
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FR3151258A1 (fr) * | 2023-07-19 | 2025-01-24 | Vignal Systems | Dispositif optique pour un feu de signalisation lumineuse |
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- 2019-12-23 EP EP19910368.0A patent/EP3913278A4/en active Pending
- 2019-12-23 WO PCT/CN2019/127259 patent/WO2020147515A1/zh unknown
- 2019-12-23 US US17/262,614 patent/US11313527B2/en active Active
- 2019-12-23 JP JP2021503602A patent/JP7164245B2/ja active Active
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CN111457275A (zh) | 2020-07-28 |
WO2020147515A1 (zh) | 2020-07-23 |
JP2022502814A (ja) | 2022-01-11 |
US11313527B2 (en) | 2022-04-26 |
EP3913278A1 (en) | 2021-11-24 |
US20210262632A1 (en) | 2021-08-26 |
EP3913278A4 (en) | 2022-10-12 |
CN111457275B (zh) | 2025-04-18 |
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