EP3371510A1 - Dispositif d'éclairage lumineux pour véhicule automobile - Google Patents
Dispositif d'éclairage lumineux pour véhicule automobileInfo
- Publication number
- EP3371510A1 EP3371510A1 EP16798247.9A EP16798247A EP3371510A1 EP 3371510 A1 EP3371510 A1 EP 3371510A1 EP 16798247 A EP16798247 A EP 16798247A EP 3371510 A1 EP3371510 A1 EP 3371510A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- vehicle
- lighting device
- diodes
- diode
- reflector
- 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.)
- Withdrawn
Links
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
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/50—Waterproofing
-
- 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
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/05—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights retractable
-
- 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
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
- B60Q1/08—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically
- B60Q1/10—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically due to vehicle inclination, e.g. due to load distribution
-
- 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
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
- B60Q1/08—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically
- B60Q1/12—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically due to steering position
-
- 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
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/14—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
- B60Q1/1415—Dimming circuits
- B60Q1/1423—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic
-
- 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]
- F21S41/147—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device
- F21S41/148—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device the main emission direction of the LED being perpendicular to the optical axis
-
- 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
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
- F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
- F21S41/657—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by moving 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
- 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
-
- 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
- F21S45/42—Forced cooling
- F21S45/43—Forced cooling using gas
-
- 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
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
- F21W2102/10—Arrangement or contour of the emitted light
- F21W2102/17—Arrangement or contour of the emitted light for regions other than high beam or low beam
- F21W2102/19—Arrangement or contour of the emitted light for regions other than high beam or low beam for curves
Definitions
- the invention relates generally to motor vehicles and, in particular, to lighting devices dedicated to motor vehicles.
- bright lighting devices are arranged at the front and rear of a motor vehicle to, on the one hand, to illuminate the road to improve the visibility of the driver of the vehicle, especially in night conditions, and, secondly, to signal the position of the vehicle to other road users.
- a front light illumination device mainly comprises position lights, low beam and high beam whose different light intensities allow the lighting to be adapted to the external light conditions.
- a front light illumination device comprises a plurality of light sources that can be actuated to activate the different lights.
- a luminous lighting device comprises an adjustment system in order to adjust, during the life of the vehicle, the orientation of the light emitted by the lighting device.
- the various light sources are in the form of a plurality of halogen incandescent lamps mounted inside a housing whose front face is sealed with transparent resin in order to allow the light emitted by the light sources to be oriented towards the front of the vehicle.
- a housing has the function of protecting light sources from external conditions, including rain.
- an incandescent lamp light device has drawbacks, in particular related to the limited life and the significant consumption of electrical energy of incandescent lamps.
- such a device having a large footprint and mass requires a large system of adjustment of the orientation of the light, which adds to the size and weight of such a lighting device.
- such a lighting device has drawbacks related to its closed housing.
- the latter does not allow a good evacuation of the heat released by the lamps.
- the presence of the transparent resin in front of the lamps can reduce the efficiency of the light beam, generate parasitic reflections and thus blur the signature light characteristic of a make and / or model of a motor vehicle.
- Document FR3015003 also discloses a luminous lighting device comprising a housing whose front face is closed in a sealed manner by a transparent lens.
- a plurality of diodes are mounted within the housing and emit light directed by a reflector also mounted within the housing.
- the diodes are mounted on a heat sink extending outside the housing to cool the diodes.
- the protective housing of the diodes and the reflector is bulky.
- the heatsink necessary to dissipate the heat emitted by the diodes, also has a large footprint.
- the necessary adjustment system is complex.
- the present invention relates to a luminous lighting device, in particular for a motor vehicle, the lighting device comprising a support, at least one diode adapted to emit light and a suitable reflector. for reflecting the light emitted by said diode, the diode and said reflector being mounted on said support, the lighting device being remarkable in that it comprises a protective cover covering said diode tightly.
- the device With the device according to the invention, it is possible to limit the number of elements of the lighting device with the cover protecting the diodes. In addition, a reduced number of elements makes it possible to reduce the cost, the mass and the bulk of such a lighting device.
- the device is adapted to be mounted retractable to protect the diode and the hot parts of the support.
- the device is open.
- open is meant that the device does not include a front wall closing the device.
- the device is simple and light, while allowing optimal cooling of the diode.
- the support comprises a dissipator of the heat released by the diode to cool said diode.
- the reflector is adapted to guide the air entering the lighting device to the heat sink to limit the size of the heatsink required for cooling the diodes.
- the invention also relates to a motor vehicle comprising at least one lighting device, as described above, retractably mounted in the vehicle.
- the device is rotatably mounted relative to the vehicle according to at least a first axis of rotation adapted to allow the device to be retracted.
- the first axis of rotation allows the adjustment of the azimuth of the device.
- the device is rotatably mounted relative to the vehicle according to at least a second axis of rotation adapted to allow the orientation of the light emitted by the diode.
- FIG. 1 a diagram of a luminous lighting device according to the invention
- FIG. 2 a diagram of the air guidance by the device of FIG. 1
- FIG. 3 a diagram of two devices according to the invention mounted in an open position on a vehicle
- Figure 4 a diagram of two devices according to the invention mounted in a closed position on a vehicle.
- the described embodiments are particularly related to an implementation of the light illumination device according to the invention within a motor vehicle.
- Figure 1 shows a lighting device 1 according to the invention, and more specifically, in this case, a device before lighting.
- Said lighting device 1 comprises a support 2, a plurality of diodes 3 mounted on the support 2, a cover 4 for protecting said diodes 3 and a reflector 5 of the light emitted by the diodes 3.
- the lighting device 1 is open, in other words, it does not include a front wall closing said device 1. Such an open lighting device 1 is thus easily cooled by the air circulating in the lighting device 1.
- the support 2 comprises a member 21 for mounting the device 1 to the motor vehicle 10 and a heat sink 22.
- the mounting member 21 is the interface with the motor vehicle 10 and allows the mounting of the lighting device 1 on the vehicle 10.
- the mounting member 21 also allows the adjustment of the orientation of the light emitted by the diodes 3.
- the mounting member 21 has a cylindrical shape so as to allow the rotation of the device 1 about a first axis X, substantially vertical.
- the lighting device 1 can be rotated about the first axis X, for example using a motor (not shown), when the driver turns the steering wheel in a turn, which can guide the light emitted by the diodes 3 towards the inside of the turn and thus to improve the visibility of the driver.
- the heat sink 22 is made of a thermally conductive material, for example aluminum, to allow cooling of the diodes 3. Also, with reference to Figure 2, the heat sink 22 comprises a zone of mounting diodes 3 and fins 23 to evacuate the heat generated by the diodes 3. As will be presented later, air A is guided to the fins 23 to optimize the cooling of the diodes 3.
- the heat sink 22 is rotatably mounted relative to the mounting member 21 along a second axis of rotation Y. As will be presented later, the second axis of rotation Y allows the azimuth adjustment of the lighting device 1 and the retraction of the device 1.
- the plurality of diodes 3 mounted on the heat sink 22 is adapted to emit light to illuminate the road at the front of the vehicle 10.
- the diodes 3 are light-emitting diodes, also designated LED or LED for Light-Emitting Diode in English language.
- the diodes 3 can be controlled automatically according to the external brightness, or manually by the driver of the vehicle 10.
- the light intensity of the light emitted by the diodes 3 can be adjusted, for example to allow the use of the same diodes 3 for the lights of crossing and for high beams.
- an electrical circuit (not shown) controls the supply current of the diodes 3.
- the cover 4 protects the diodes 3 and the control circuit, including shocks, dust, water, etc.. To do this, the cover 4 is in the form of a half sphere extending around the diodes 3.
- the cover 4 is sealingly mounted on the heat sink 22, for example using a gasket mounted between the cover 4 and the heat sink 22, to form a sealed protection of the diodes 3.
- the cover 4 is made of a transparent material, for example plastic, to allow the light emitted by the diodes 3 to spread out of the protective cover 4.
- the light emitted by the diodes 3 propagates substantially along the first axis of rotation. Also, to guide the light towards the front of the vehicle 10, the light is reflected by the reflector 5.
- the reflector 5 has a spoon shape adapted to reflect the light emitted by the diodes 3.
- the reflector 5 comprises a substantially concave reflecting surface 51 placed vis-à-vis the diodes 3 of In order to guide the light towards the front of the vehicle 10.
- the reflector 5 also makes it possible to guide the air A arriving from the front of the vehicle 10 to the fins to optimize the cooling of the diodes 3 by the heat sink 22.
- the air guide A to the heatsink 22 optimizes the flow of air flowing between the fins and thus dissipate the heat generated by the diodes using fins of reduced size, which limits the size and weight of such a dissipator 22.
- the Luminous lighting device 1 is mounted in place of a conventional optical unit of the vehicle 10 to illuminate the front of the vehicle 10.
- the luminous lighting device 1 is mounted on the vehicle 10 in rotation about the second axis Y to be retractable.
- retractable means that the lighting device 1 can be folded between an open position of use, as shown in Figure 3 and wherein the light emitted by the diodes 3 illuminates the front of the vehicle 10, and a position closed, as shown in Figure 4 and wherein the diodes 3 and the heat sink 22 are hidden.
- the reflector 5 protects the diode 3 and hides the hot part of the heat sink 22.
- the reflector 5 allows the guiding of the air A to the fins 23.
- the air A enters the lighting device 1 open when the vehicle 10 is moving forward.
- the air A arriving at the concave surface 51 of the reflector 5 is then guided along said concave surface 51 to the fins 23 of the heat sink 22.
- the air A is then heated by passing between the fins 23, which has the effect of cooling them.
- the cooling of the fins 23 of the heat sink 22 then makes it possible to effectively cool the diodes 3 mounted on the heat sink 22.
- the rotation of the lighting device 1 around the second axis Y makes it possible to adjust the azimuth of the light emitted by the lighting device 1.
- the rotation of the lighting device 1 around the second axis of rotation Y makes it possible to adjust the distance at which the lighting device 1 illuminates the road in front of the motor vehicle 10.
- the rotation of the lighting device 1 around the first axis of rotation X is controlled by the rotation of the vehicle steering wheel 10 to direct the light emitted by the diodes 3.
- such a lighting device is easy and inexpensive to manufacture, lightweight and compact because it includes a limited number of parts.
- the cooling of the diodes is optimized by the lighting device which is open and the air guide by the reflector.
- a retractable lighting device protects the diodes and the reflective surface of the lighting device when the latter is not used.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1560507A FR3043169A1 (fr) | 2015-11-03 | 2015-11-03 | Dispositif d’eclairage lumineux pour vehicule automobile |
| PCT/FR2016/052749 WO2017077216A1 (fr) | 2015-11-03 | 2016-10-24 | Dispositif d'éclairage lumineux pour véhicule automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3371510A1 true EP3371510A1 (fr) | 2018-09-12 |
Family
ID=55178175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16798247.9A Withdrawn EP3371510A1 (fr) | 2015-11-03 | 2016-10-24 | Dispositif d'éclairage lumineux pour véhicule automobile |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3371510A1 (fr) |
| CN (1) | CN108351086A (fr) |
| FR (1) | FR3043169A1 (fr) |
| WO (1) | WO2017077216A1 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513617A (zh) * | 2019-08-27 | 2019-11-29 | 中山市光兴照明科技有限公司 | 一种照明装置 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1361555A (fr) * | 1963-04-12 | 1964-05-22 | Citroen Sa Andre | Phare de véhicule à inclinaison réglable |
| JPH0249634U (fr) * | 1988-09-30 | 1990-04-06 | ||
| JP2002124123A (ja) * | 2000-10-17 | 2002-04-26 | Denso Corp | 車両用前照灯 |
| FR2858681B1 (fr) * | 2003-08-05 | 2008-02-01 | Koito Mfg Co Ltd | Dispositif d'eclairage pour vehicule, notamment lampe de virage |
| US20140140085A1 (en) * | 2012-11-20 | 2014-05-22 | Koito Manufacturing Co., Ltd. | Vehicular lamp |
| FR3016569A1 (fr) * | 2014-01-17 | 2015-07-24 | Peugeot Citroen Automobiles Sa | Dispositif de signalisation par diffusion pour vehicule automobile |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2185229Y (zh) * | 1992-09-15 | 1994-12-14 | 中国轻骑摩托车集团总公司 | 一种隐藏式的摩托车照明用具 |
| CN2375508Y (zh) * | 1999-06-03 | 2000-04-26 | 刘兆东 | 可转动式车灯 |
| JP2008277237A (ja) * | 2007-04-06 | 2008-11-13 | Toyoda Gosei Co Ltd | 車両用前照灯ユニット |
| KR101796115B1 (ko) * | 2010-10-13 | 2017-11-13 | 삼성전자 주식회사 | 헤드램프조립체 및 이를 구비하는 자동차 |
| KR101235315B1 (ko) * | 2011-06-22 | 2013-02-20 | 에스엘 주식회사 | 차량용 램프 |
| FR3004394B1 (fr) * | 2013-04-10 | 2015-04-17 | Peugeot Citroen Automobiles Sa | Agencement d'acces aux sources lumineuses d'un projecteur de vehicule |
| FR3015003B1 (fr) * | 2013-12-13 | 2016-01-01 | Peugeot Citroen Automobiles Sa | Projecteur de vehicule automobile sans glace |
| CN203980070U (zh) * | 2013-12-31 | 2014-12-03 | 重庆雷本光电科技有限公司 | 一种装甲车用反射式led前大灯模组 |
| CN204005641U (zh) * | 2014-07-31 | 2014-12-10 | 广州市锦宏机电科技发展有限公司 | 可翻转折叠车灯 |
-
2015
- 2015-11-03 FR FR1560507A patent/FR3043169A1/fr not_active Withdrawn
-
2016
- 2016-10-24 WO PCT/FR2016/052749 patent/WO2017077216A1/fr not_active Ceased
- 2016-10-24 CN CN201680063904.6A patent/CN108351086A/zh active Pending
- 2016-10-24 EP EP16798247.9A patent/EP3371510A1/fr not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1361555A (fr) * | 1963-04-12 | 1964-05-22 | Citroen Sa Andre | Phare de véhicule à inclinaison réglable |
| JPH0249634U (fr) * | 1988-09-30 | 1990-04-06 | ||
| JP2002124123A (ja) * | 2000-10-17 | 2002-04-26 | Denso Corp | 車両用前照灯 |
| FR2858681B1 (fr) * | 2003-08-05 | 2008-02-01 | Koito Mfg Co Ltd | Dispositif d'eclairage pour vehicule, notamment lampe de virage |
| US20140140085A1 (en) * | 2012-11-20 | 2014-05-22 | Koito Manufacturing Co., Ltd. | Vehicular lamp |
| FR3016569A1 (fr) * | 2014-01-17 | 2015-07-24 | Peugeot Citroen Automobiles Sa | Dispositif de signalisation par diffusion pour vehicule automobile |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2017077216A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| FR3043169A1 (fr) | 2017-05-05 |
| CN108351086A (zh) | 2018-07-31 |
| WO2017077216A1 (fr) | 2017-05-11 |
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Legal Events
| Date | Code | Title | Description |
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