JP6714379B2 - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
- Publication number
- JP6714379B2 JP6714379B2 JP2016027654A JP2016027654A JP6714379B2 JP 6714379 B2 JP6714379 B2 JP 6714379B2 JP 2016027654 A JP2016027654 A JP 2016027654A JP 2016027654 A JP2016027654 A JP 2016027654A JP 6714379 B2 JP6714379 B2 JP 6714379B2
- Authority
- JP
- Japan
- Prior art keywords
- light guide
- rod
- shaped light
- guide portion
- shaped
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/236—Light guides characterised by the shape of the light guide
- F21S43/237—Light guides characterised by the shape of the light guide rod-shaped
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
- F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
- F21S43/14—Light emitting diodes [LED]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/236—Light guides characterised by the shape of the light guide
- F21S43/239—Light guides characterised by the shape of the light guide plate-shaped
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/236—Light guides characterised by the shape of the light guide
- F21S43/241—Light guides characterised by the shape of the light guide of complex shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/242—Light guides characterised by the emission area
- F21S43/245—Light guides characterised by the emission area emitting light from one or more of its major surfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/247—Light guides with a single light source being coupled into the light guide
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/249—Light guides with two or more light sources being coupled into 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
- G02B6/0005—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
- G02B6/0006—Coupling light into the fibre
-
- 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
- G02B6/001—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 along at least a portion of the lateral surface of the fibre
-
- 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
- G02B6/0028—Light guide, e.g. taper
-
- 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
-
- 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
- F21W2103/00—Exterior vehicle lighting devices for signalling purposes
-
- 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
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Planar Illumination Modules (AREA)
Description
Claims (6)
- 光源と、前記光源からの光を内部で導光しながら灯具前方に向けて出射する導光体と、を備える車両用灯具であって、
前記導光体は、
入射端面から入射した光を導光する第1棒状導光部と、
入射した光を導光する第2棒状導光部と、
前記第1棒状導光部と前記第2棒状導光部との間の領域に形成された板状導光部と、
を備え、
前記板状導光部の端部側面は、板状導光部内を進む光の少なくとも一部を前記第1棒状導光部および/または前記第2棒状導光部に向けて全反射する前記入射端面側に凹んだ湾曲面に形成されることを特徴とする車両用灯具。 - 前記板状導光部に固定穴が形成されており、
前記固定穴に当該車両用灯具のランプボディから延びる支持部が挿入され、前記導光体が前記ランプボディに対して固定されることを特徴とする請求項1に記載の車両用灯具。 - 前記第1棒状導光部の前記入射端面の近傍部分は、湾曲するとともに、入射端面に近づくに従って径が小さくなるよう形成されることを特徴とする請求項1または2に記載の車両用灯具。
- 前記第1棒状導光部および/または前記第2棒状導光部の側面の一部に平坦面が形成されていることを特徴とする請求項1から3のいずれかに記載の車両用灯具。
- 前記第2棒状導光部は、前記第1棒状導光部から分岐して延びるよう形成されることを特徴とする請求項1から4のいずれかに記載の車両用灯具。
- 前記第2棒状導光部は、前記第1棒状導光部と交わらないように配置されることを特徴とする請求項1から4のいずれかに記載の車両用灯具。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016027654A JP6714379B2 (ja) | 2016-02-17 | 2016-02-17 | 車両用灯具 |
CN201710046325.7A CN107091442B (zh) | 2016-02-17 | 2017-01-22 | 车辆用灯具 |
US15/428,483 US10371341B2 (en) | 2016-02-17 | 2017-02-09 | Vehicle lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016027654A JP6714379B2 (ja) | 2016-02-17 | 2016-02-17 | 車両用灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017147102A JP2017147102A (ja) | 2017-08-24 |
JP6714379B2 true JP6714379B2 (ja) | 2020-06-24 |
Family
ID=59559637
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016027654A Active JP6714379B2 (ja) | 2016-02-17 | 2016-02-17 | 車両用灯具 |
Country Status (3)
Country | Link |
---|---|
US (1) | US10371341B2 (ja) |
JP (1) | JP6714379B2 (ja) |
CN (1) | CN107091442B (ja) |
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US10088118B2 (en) * | 2016-08-30 | 2018-10-02 | HELLA GmbH & Co. KGaA | Light emitting area extender |
JP6744196B2 (ja) * | 2016-10-31 | 2020-08-19 | スタンレー電気株式会社 | 車両用灯具 |
JP6967460B2 (ja) * | 2018-01-09 | 2021-11-17 | サカエ理研工業株式会社 | 車両用灯具 |
JP7034750B2 (ja) * | 2018-02-09 | 2022-03-14 | スタンレー電気株式会社 | 車両用灯具 |
BR112020016808A2 (pt) * | 2018-02-27 | 2020-12-15 | Koito Manufacturing Co.,Ltd. | Lâmpada de veículo. |
CZ2018131A3 (cs) * | 2018-03-15 | 2019-09-25 | Varroc Lighting Systems, s.r.o. | Světlovodný systém, zejména pro osvětlení pozemních dopravních prostředků |
JP7020259B2 (ja) * | 2018-04-09 | 2022-02-16 | トヨタ自動車株式会社 | 車両用灯具 |
JP2020004483A (ja) * | 2018-06-25 | 2020-01-09 | 株式会社小糸製作所 | 車両用灯具 |
JP7122197B2 (ja) * | 2018-08-31 | 2022-08-19 | 市光工業株式会社 | 車両用導光体及び車両用灯具 |
JP7131213B2 (ja) * | 2018-08-31 | 2022-09-06 | 市光工業株式会社 | 車両用導光体及び車両用灯具 |
DE102018125433A1 (de) * | 2018-10-15 | 2020-04-16 | HELLA GmbH & Co. KGaA | Beleuchtungsvorrichtung für Fahrzeuge |
JP7309341B2 (ja) * | 2018-10-24 | 2023-07-18 | スタンレー電気株式会社 | 車両用灯具 |
EP3647654A1 (en) * | 2018-10-31 | 2020-05-06 | Valeo Iluminacion, S.A. | Automotive lighting device |
US11339942B2 (en) * | 2018-11-02 | 2022-05-24 | Koito Manufacturing Co., Ltd. | Vehicle lamp |
JP7205193B2 (ja) * | 2018-11-22 | 2023-01-17 | マツダ株式会社 | 車両用灯具 |
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JP7277196B2 (ja) * | 2019-03-22 | 2023-05-18 | スタンレー電気株式会社 | 車両用灯具ユニット及び車両用灯具 |
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JP7406972B2 (ja) * | 2019-04-03 | 2023-12-28 | 株式会社小糸製作所 | 車両用灯具 |
KR102700914B1 (ko) * | 2019-07-04 | 2024-08-30 | 현대모비스 주식회사 | 리어 램프 |
KR102663436B1 (ko) * | 2019-08-06 | 2024-05-03 | 에스엘 주식회사 | 차량용 램프 |
JP7390244B2 (ja) * | 2020-04-17 | 2023-12-01 | スタンレー電気株式会社 | 車両用灯具 |
JP7577936B2 (ja) | 2020-06-30 | 2024-11-06 | 市光工業株式会社 | 車両用導光体及び車両用灯具 |
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-
2016
- 2016-02-17 JP JP2016027654A patent/JP6714379B2/ja active Active
-
2017
- 2017-01-22 CN CN201710046325.7A patent/CN107091442B/zh active Active
- 2017-02-09 US US15/428,483 patent/US10371341B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US10371341B2 (en) | 2019-08-06 |
CN107091442B (zh) | 2019-08-30 |
JP2017147102A (ja) | 2017-08-24 |
CN107091442A (zh) | 2017-08-25 |
US20170234501A1 (en) | 2017-08-17 |
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