JP2015185393A - 車両用灯具及び結合分配器 - Google Patents
車両用灯具及び結合分配器 Download PDFInfo
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- 230000008878 coupling Effects 0.000 title claims description 21
- 238000010168 coupling process Methods 0.000 title claims description 21
- 238000005859 coupling reaction Methods 0.000 title claims description 21
- 230000003287 optical effect Effects 0.000 claims abstract description 140
- 239000013307 optical fiber Substances 0.000 claims abstract description 140
- 239000004065 semiconductor Substances 0.000 description 217
- 238000000034 method Methods 0.000 description 46
- 238000003780 insertion Methods 0.000 description 21
- 230000037431 insertion Effects 0.000 description 21
- 238000006243 chemical reaction Methods 0.000 description 15
- 230000000644 propagated effect Effects 0.000 description 12
- 230000017525 heat dissipation Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 10
- 238000001514 detection method Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 5
- 230000005855 radiation Effects 0.000 description 5
- 101000637851 Homo sapiens Tolloid-like protein 1 Proteins 0.000 description 4
- 102100031996 Tolloid-like protein 1 Human genes 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000020169 heat generation Effects 0.000 description 3
- 230000005684 electric field Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
Classifications
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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
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/10—Protection of lighting devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/0011—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor with light guides for distributing the light between several lighting or signalling devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q11/00—Arrangement of monitoring devices for devices provided for in groups B60Q1/00 - B60Q9/00
- B60Q11/002—Emergency driving lights in the event of failure of the principal lighting circuit
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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
- F21S41/16—Laser light sources
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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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/24—Light guides
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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
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/36—Combinations of two or more separate reflectors
- F21S41/365—Combinations of two or more separate reflectors successively reflecting the light
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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
- 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
- F21S43/26—Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255
-
- 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
-
- 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
- F21S45/48—Passive cooling, e.g. using fins, thermal conductive elements or openings with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting 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
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/70—Prevention of harmful light leakage
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/005—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping
- H01S5/0087—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping for illuminating phosphorescent or fluorescent materials, e.g. using optical arrangements specifically adapted for guiding or shaping laser beams illuminating these materials
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
- H01S5/4031—Edge-emitting structures
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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
- F21Y2115/30—Semiconductor lasers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/005—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping
- H01S5/0071—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping for beam steering, e.g. using a mirror outside the cavity to change the beam direction
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/022—Mountings; Housings
- H01S5/0225—Out-coupling of light
- H01S5/02251—Out-coupling of light using optical fibres
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/024—Arrangements for thermal management
- H01S5/02469—Passive cooling, e.g. where heat is removed by the housing as a whole or by a heat pipe without any active cooling element like a TEC
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
- H01S5/042—Electrical excitation ; Circuits therefor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/0617—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium using memorised or pre-programmed laser characteristics
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/068—Stabilisation of laser output parameters
- H01S5/06825—Protecting the laser, e.g. during switch-on/off, detection of malfunctioning or degradation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/30—Structure or shape of the active region; Materials used for the active region
- H01S5/32—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures
- H01S5/323—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser
- H01S5/32308—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser emitting light at a wavelength less than 900 nm
- H01S5/32341—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser emitting light at a wavelength less than 900 nm blue laser based on GaN or GaP
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- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/4012—Beam combining, e.g. by the use of fibres, gratings, polarisers, prisms
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
複数のレーザー光源を用いた車両用灯具において、複数のレーザー光源からのレーザー光を、複数の光学系に導き、当該複数の光学系で利用する。
【解決手段】
複数のレーザー光源と、1又は複数の光ファイバと、前記1又は複数の光ファイバに対応して設けられた1又は複数の光学系であって、前記1又は複数の光ファイバのうち対応する光ファイバの出射端部が接続された1又は複数の光学系と、前記複数のレーザー光源と前記1又は複数の光ファイバの入射端部との間に配置された複数の光学素子であって、前記複数のレーザー光源のうち少なくとも1つのレーザー光源からのレーザー光を前記1又は複数の光ファイバの入射端部まで導く光路を構成する複数の光学素子と、を備えた車両用灯具であることを特徴とする。
【選択図】図1
Description
Claims (12)
- 複数のレーザー光源と、
1又は複数の光ファイバと、
前記1又は複数の光ファイバに対応して設けられた1又は複数の光学系であって、前記1又は複数の光ファイバのうち対応する光ファイバの出射端部が接続された1又は複数の光学系と、
前記複数のレーザー光源と前記1又は複数の光ファイバの入射端部との間に配置された複数の光学素子であって、前記複数のレーザー光源のうち少なくとも1つのレーザー光源からのレーザー光を前記1又は複数の光ファイバの入射端部まで導く光路を構成する複数の光学素子と、
を備えた車両用灯具。 - 前記光学素子は、ビームスプリッタ、ミラー、クロスビームスプリッタ、1/2波長板のうち少なくとも1つを含む請求項1に記載の車両用灯具。
- 予め定められた時間が経過するごとに、所定の順番かつ予め定められた光出力で点灯するように前記複数のレーザー光源を制御するレーザー光源制御手段をさらに備える請求項1又は2に記載の車両用灯具。
- 前記レーザー光源制御手段は、周囲環境の温度が予め定められたしきい値より小さい場合、予め定められた時間が経過するごとに、所定の順番かつ第1光出力で点灯するように前記複数のレーザー光源を制御し、一方、周囲環境の温度が予め定められたしきい値より大きい場合、予め定められた時間が経過するごとに、所定の順番かつ前記第1光出力より小さい第2光出力で点灯するように前記複数のレーザー光源を制御する請求項3に記載の車両用灯具。
- 前記複数のレーザー光源のうち前記点灯したレーザー光源からのレーザー光を前記1又は複数の光ファイバの入射端部まで導く光路が構成されるように、前記複数の光学素子のうち少なくとも1つの光学素子の配置を変更するアクチュエータをさらに備える請求項3又は4に記載の車両用灯具。
- 前記複数のレーザー光源のうち少なくとも1つのレーザー光源が故障した場合、前記複数のレーザー光源のうち前記故障したレーザー光源以外のレーザー光源が用いられる請求項1から5のいずれか1項に記載の車両用灯具。
- 複数のレーザー光源と、
1又は複数の光ファイバ取付部と、
前記複数のレーザー光源と前記1又は複数の光ファイバ取付部との間に配置された複数の光学素子であって、前記複数のレーザー光源のうち少なくとも1つのレーザー光源からのレーザー光を前記1又は複数の光ファイバ取付部に接続された1又は複数の光ファイバの入射端部まで導く光路を構成する複数の光学素子と、
を備えた結合分配器。 - 前記光学素子は、ビームスプリッタ、ミラー、クロスビームスプリッタ、1/2波長板のうち少なくとも1つを含む請求項7に記載の結合分配器。
- 予め定められた時間が経過するごとに、所定の順番かつ予め定められた光出力で点灯するように前記複数のレーザー光源を制御するレーザー光源制御手段をさらに備える請求項7又は8に記載の結合分配器。
- 前記レーザー光源制御手段は、周囲環境の温度が予め定められたしきい値より小さい場合、予め定められた時間が経過するごとに、所定の順番かつ第1光出力で点灯するように前記複数のレーザー光源を制御し、一方、周囲環境の温度が予め定められたしきい値より大きい場合、予め定められた時間が経過するごとに、所定の順番かつ前記第1光出力より小さい第2光出力で点灯するように前記複数のレーザー光源を制御する請求項9に記載の結合分配器。
- 前記複数のレーザー光源のうち前記点灯したレーザー光源からのレーザー光を前記1又は複数の光ファイバの入射端部まで導く光路が構成されるように、前記複数の光学素子のうち少なくとも1つの光学素子の配置を変更するアクチュエータをさらに備える請求項9又は10に記載の結合分配器。
- 前記複数のレーザー光源のうち少なくとも1つのレーザー光源が故障した場合、前記複数のレーザー光源のうち前記故障したレーザー光源以外のレーザー光源が用いられる請求項7から11のいずれか1項に記載の結合分配器。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014061026A JP6281174B2 (ja) | 2014-03-25 | 2014-03-25 | 車両用灯具及び結合分配器 |
PCT/JP2015/057039 WO2015146578A1 (ja) | 2014-03-25 | 2015-03-10 | 車両用灯具及び結合分配器 |
EP15769949.7A EP3124852B1 (en) | 2014-03-25 | 2015-03-10 | Lamp fitting for vehicle and coupler/distributor |
US15/128,017 US10359170B2 (en) | 2014-03-25 | 2015-03-10 | Lamp fitting for vehicle and coupler/distibutor |
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Application Number | Priority Date | Filing Date | Title |
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JP2014061026A JP6281174B2 (ja) | 2014-03-25 | 2014-03-25 | 車両用灯具及び結合分配器 |
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Application Number | Title | Priority Date | Filing Date |
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JP2017238661A Division JP6443528B2 (ja) | 2017-12-13 | 2017-12-13 | 車両用灯具 |
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JP2015185393A true JP2015185393A (ja) | 2015-10-22 |
JP6281174B2 JP6281174B2 (ja) | 2018-02-21 |
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Country | Link |
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US (1) | US10359170B2 (ja) |
EP (1) | EP3124852B1 (ja) |
JP (1) | JP6281174B2 (ja) |
WO (1) | WO2015146578A1 (ja) |
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CN205535108U (zh) * | 2016-01-28 | 2016-08-31 | 深圳市雷得科技有限公司 | 多功能保护激光灯 |
FR3062195A1 (fr) * | 2017-01-26 | 2018-07-27 | Valeo Vision | Dispositif d'eclairage a source laser pour un vehicule |
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CN112555773A (zh) * | 2020-12-25 | 2021-03-26 | 浙江乐景光电科技有限公司 | 激光照明模组及照明系统 |
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US10359170B2 (en) | 2019-07-23 |
EP3124852A4 (en) | 2018-04-04 |
JP6281174B2 (ja) | 2018-02-21 |
EP3124852B1 (en) | 2021-05-05 |
EP3124852A1 (en) | 2017-02-01 |
US20170097134A1 (en) | 2017-04-06 |
WO2015146578A1 (ja) | 2015-10-01 |
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