JP2021536114A - 照明装置及び車両用ライト - Google Patents
照明装置及び車両用ライト Download PDFInfo
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- JP2021536114A JP2021536114A JP2021513395A JP2021513395A JP2021536114A JP 2021536114 A JP2021536114 A JP 2021536114A JP 2021513395 A JP2021513395 A JP 2021513395A JP 2021513395 A JP2021513395 A JP 2021513395A JP 2021536114 A JP2021536114 A JP 2021536114A
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- Prior art keywords
- light guide
- light
- lighting device
- guide portion
- emitting surface
- 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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- 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
- F21S41/176—Light sources where the light is generated by photoluminescent material spaced from a primary light generating element
-
- 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
- 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]
-
- 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
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
-
- 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
- F21S43/16—Light sources where the light is generated by photoluminescent material spaced from a primary light generating element
-
- 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
-
- 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
- F21S43/20—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
- F21S43/243—Light guides characterised by the emission area emitting light from one or more of its extremities
-
- 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
- F21S43/251—Light guides the light guides being used to transmit light from remote 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
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/30—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors
- F21S43/31—Optical layout thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
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- 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
-
- 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)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
Claims (12)
- 励起光を出射する光源と、光ガイドとを備える照明装置であって、
前記光ガイドは、第一導光部及び第二導光部を備え、
前記第二導光部は、発光面を有し、
前記光源が出射した励起光は結合して前記第一導光部に進入し、前記第二導光部の前記発光面を経て出射し、
前記第二導光部における前記光ガイドの中心線に垂直な断面の面積が前記光源の光軸方向に沿って次第に小さくなり、前記光ガイドの中心線を通る断面と前記第二導光部の発光面との交線または交線のいずれかの接線は、前記光ガイドの中心線と鋭角である夾角をなすことを特徴とする照明装置。 - 前記光ガイドの中心線を通る断面と前記第二導光部の発光面との交線または交線のいずれかの接線は、前記光ガイドの中心線と45度未満の夾角をなすことを特徴とする請求項1に記載の照明装置。
- 前記第二導光部の発光面にコーティングされ、励起光に対して波長変換又は散乱を行う機能層をさらに備えることを特徴とする請求項1に記載の照明装置。
- 前記発光面は、前記第二導光部の一部の側面に設けられることを特徴とする請求項3に記載の照明装置。
- 前記発光面は、前記第二導光部の側面及び前記第一導光部における前記第二導光部に近い部分側面に設けられることを特徴とする請求項3に記載の照明装置。
- 前記光ガイドの前記第二導光部は、円錐体であり、前記光ガイドの中心線を通る断面と前記第二導光部の側面との交線は、前記光ガイドの中心線と45度未満の夾角をなすことを特徴とする請求項3から5のいずれか1項に記載の照明装置。
- 前記光ガイドの前記第二導光部は、円錐台体であり、前記光ガイドの中心線を通る断面と前記第二導光部の側面との交線は、前記光ガイドの中心線と45度未満の夾角をなすことを特徴とする請求項3から5のいずれか1項に記載の照明装置。
- 前記第二導光部は、対向するように設けられた第一端面及び第二端面を備え、前記第一端面は、前記第一導光部に接続され、前記第二端面に反射層が設けられていることを特徴とする請求項7に記載の照明装置。
- 前記第二導光部の第二端面は、凹溝を有し、前記反射層は、前記凹溝の内部に設けられていることを特徴とする請求項8に記載の照明装置。
- 前記第二導光部の側面は、曲面をなし、前記光ガイドの中心線を通る断面と前記第二導光部の側面との交線のいずれかの接線は、前記光ガイドの中心線と45度未満の夾角をなすことを特徴とする請求項3から5のいずれか1項に記載の照明装置。
- 前記光ガイドは、さらに放熱層及び透明接着剤層を備え、
前記放熱層は、前記第一導光部の側面に設けられ、前記光ガイドを放熱し、
前記透明接着剤層は、前記放熱層を前記第一導光部の側面に接着して、前記光ガイドの熱を前記放熱層に伝導させ、ここで、前記透明接着剤層の屈折率が前記光ガイドの屈折率よりも低いことを特徴とする請求項1に記載の照明装置。 - 車両用ライトであって、
請求項1〜11のいずれか1項に記載の照明装置を備えることを特徴とする車両用ライト。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811053154.1A CN110887009A (zh) | 2018-09-10 | 2018-09-10 | 一种照明装置及车灯 |
CN201811053154.1 | 2018-09-10 | ||
PCT/CN2019/086927 WO2020052253A1 (zh) | 2018-09-10 | 2019-05-15 | 一种照明装置及车灯 |
Publications (2)
Publication Number | Publication Date |
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JP2021536114A true JP2021536114A (ja) | 2021-12-23 |
JP7187683B2 JP7187683B2 (ja) | 2022-12-12 |
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JP2021513395A Active JP7187683B2 (ja) | 2018-09-10 | 2019-05-15 | 照明装置及び車両用ライト |
Country Status (4)
Country | Link |
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US (1) | US11454363B2 (ja) |
JP (1) | JP7187683B2 (ja) |
CN (1) | CN110887009A (ja) |
WO (1) | WO2020052253A1 (ja) |
Families Citing this family (2)
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CN113915582A (zh) * | 2020-07-09 | 2022-01-11 | 深圳市绎立锐光科技开发有限公司 | 车辆用灯具 |
CN114563903B (zh) * | 2020-11-27 | 2023-10-24 | 中强光电股份有限公司 | 投影装置以及照明*** |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015011976A (ja) * | 2013-07-02 | 2015-01-19 | 東芝ライテック株式会社 | 発光装置および照明装置 |
CN205592695U (zh) * | 2016-03-28 | 2016-09-21 | 赵尊威 | 一种激光照明灯 |
JP2017152380A (ja) * | 2016-02-19 | 2017-08-31 | オスラム ゲーエムベーハーOSRAM GmbH | レトロフィットランプおよびレトロフィットランプを備えた車両前照灯 |
JP2018525799A (ja) * | 2015-08-24 | 2018-09-06 | ルミレッズ ホールディング ベーフェー | 車両ヘッドライトのための照明デバイス |
Family Cites Families (9)
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US6350041B1 (en) | 1999-12-03 | 2002-02-26 | Cree Lighting Company | High output radial dispersing lamp using a solid state light source |
US20080192458A1 (en) * | 2007-02-12 | 2008-08-14 | Intematix Corporation | Light emitting diode lighting system |
JP2010147859A (ja) * | 2008-12-19 | 2010-07-01 | Panasonic Corp | 線状照明装置及びそれを用いた密着型イメージセンサ及び画像読取システム |
JP2011216278A (ja) * | 2010-03-31 | 2011-10-27 | Koito Mfg Co Ltd | 車両用灯具 |
JP5620212B2 (ja) * | 2010-09-27 | 2014-11-05 | 株式会社デンソー | 集光器及び集光装置 |
JP2012123940A (ja) * | 2010-12-06 | 2012-06-28 | Sharp Corp | 照明装置、及び車両用前照灯 |
US20150085464A1 (en) * | 2012-03-22 | 2015-03-26 | Nec Corporation | Light emitting device |
WO2015001693A1 (ja) * | 2013-07-04 | 2015-01-08 | パナソニックIpマネジメント株式会社 | 投光装置 |
CN109918973B (zh) * | 2017-12-13 | 2021-07-02 | 上海耕岩智能科技有限公司 | 一种生理特征侦测识别方法和光侦测装置 |
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2018
- 2018-09-10 CN CN201811053154.1A patent/CN110887009A/zh active Pending
-
2019
- 2019-05-15 JP JP2021513395A patent/JP7187683B2/ja active Active
- 2019-05-15 US US17/275,058 patent/US11454363B2/en active Active
- 2019-05-15 WO PCT/CN2019/086927 patent/WO2020052253A1/zh active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015011976A (ja) * | 2013-07-02 | 2015-01-19 | 東芝ライテック株式会社 | 発光装置および照明装置 |
JP2018525799A (ja) * | 2015-08-24 | 2018-09-06 | ルミレッズ ホールディング ベーフェー | 車両ヘッドライトのための照明デバイス |
JP2017152380A (ja) * | 2016-02-19 | 2017-08-31 | オスラム ゲーエムベーハーOSRAM GmbH | レトロフィットランプおよびレトロフィットランプを備えた車両前照灯 |
CN205592695U (zh) * | 2016-03-28 | 2016-09-21 | 赵尊威 | 一种激光照明灯 |
Also Published As
Publication number | Publication date |
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JP7187683B2 (ja) | 2022-12-12 |
US11454363B2 (en) | 2022-09-27 |
WO2020052253A1 (zh) | 2020-03-19 |
CN110887009A (zh) | 2020-03-17 |
US20220057063A1 (en) | 2022-02-24 |
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