EP2518393A2 - Lampe véhiculaire - Google Patents

Lampe véhiculaire Download PDF

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Publication number
EP2518393A2
EP2518393A2 EP12164740A EP12164740A EP2518393A2 EP 2518393 A2 EP2518393 A2 EP 2518393A2 EP 12164740 A EP12164740 A EP 12164740A EP 12164740 A EP12164740 A EP 12164740A EP 2518393 A2 EP2518393 A2 EP 2518393A2
Authority
EP
European Patent Office
Prior art keywords
led
light
opening portion
reflector
vehicular lamp
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.)
Granted
Application number
EP12164740A
Other languages
German (de)
English (en)
Other versions
EP2518393A3 (fr
EP2518393B1 (fr
Inventor
Naoki Uchida
Motohiro Komatsu
Takayuki Yagi
Tsukasa Tokida
Masanobu Mizuno
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koito Manufacturing Co Ltd
Original Assignee
Koito Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Koito Manufacturing Co Ltd filed Critical Koito Manufacturing Co Ltd
Publication of EP2518393A2 publication Critical patent/EP2518393A2/fr
Publication of EP2518393A3 publication Critical patent/EP2518393A3/fr
Application granted granted Critical
Publication of EP2518393B1 publication Critical patent/EP2518393B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • F21S41/663—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by switching 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
    • 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
    • F21S41/10—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]
    • F21S41/151—Light emitting diodes [LED] arranged in one or more lines
    • 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]
    • F21S41/155—Surface emitters, e.g. organic light emitting diodes [OLED]
    • 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
    • F21S41/19—Attachment of light sources or lamp holders
    • 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
    • F21S41/25—Projection lenses
    • F21S41/255—Lenses with a front view of circular or truncated circular outline
    • 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
    • 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
    • F21S41/323—Optical layout thereof the reflector having two perpendicular cross sections having regular geometrical curves of a distinct nature
    • 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
    • F21S41/39—Attachment 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
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape 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
    • 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
    • F21W2102/18—Arrangement or contour of the emitted light for regions other than high beam or low beam for overhead signs

Definitions

  • the present invention relates to a vehicular lamp and, more particularly, to a vehicular lamp that uses a light emitting diode (LED).
  • LED light emitting diode
  • Vehicular lamps that use an LED as a light source have been known (e.g., Japanese Patent Application Publication No. 2006-286395 ( JP 2006-286395 A )).
  • the uniformity of the radiated light be high in order to uniformly light a front area without producing a dark, hard-to-see region.
  • An object of the present invention is to provide a vehicular lamp that uses a light emitting diode (LED), and with which it is possible to improve the uniformity of radiated light.
  • LED light emitting diode
  • a vehicular lamp in accordance with one aspect of the present invention includes: a light emitting diode; an LED mount portion, on which the LED is mounted; a reflector having a first opening portion that is disposed in front of a light emitting surface of the LED and through which light from the LED enters, a reflection portion that reflects the light that has entered through the first opening portion, and a second opening portion through which the light reflected from the reflection portion is radiated, wherein the area of the first opening portion is smaller than the area of the light emitting surface of the LED; and an optical member that controls the light radiated from the reflector and radiates the light to a front of the vehicular lamp.
  • an edge of the first opening portion of the reflector be positioned immediately close to the light emitting surface of the LED.
  • an edge of the first opening portion of the reflector be in contact with the light emitting surface of the LED.
  • the optical member may be, for example, a projection lens that projects the light from the reflector to the front of the lamp, or another reflector that reflects the light from the foregoing reflector to the front of the lamp.
  • the reflector have a heat dissipation portion for dissipating heat produced by the LED.
  • a periphery portion around the second opening portion of the reflector have been subjected to a reflectivity reduction treatment for reducing reflection of light.
  • a region of the periphery portion around the second opening portion have not been subjected to the reflectivity reduction treatment, wherein an image of the region projected by the optical member when the vehicular lamp is mounted in a vehicle is above an optical axis of the optical member.
  • a periphery portion around the second opening portion of the reflector is tilted outward with respect to a plane perpendicular to an optical axis of the LED.
  • the optical member be a projection lens that projects an inverted image of the second opening portion, and a shape of an opening of the second opening portion be a shape that corresponds to a low-beam light distribution pattern that has a predetermined cut-off line.
  • the reflector have a recess, in which the LED is placed; the first opening portion be formed at a bottom of the recess; and an inner side surface of the recess include a reflective surface.
  • the present invention it is possible to provide a vehicular lamp, with which it is possible to improve the uniformity of radiated light that is emitted from LED(s) and radiated to the front of the lamp.
  • FIG. 1 is a cross sectional view of a vehicular lamp 100 in accordance with an embodiment of the present invention.
  • the vehicular lamp 100 is what is called a projector type vehicular headlamp that has a projection lens.
  • the lamp 100 includes a lamp body 12 having a recess portion that has an opening in a front portion of the lamp, and a cover 14 that closes the opening of the lamp body 12.
  • An internal space defined by the lamp body 12 and the cover 14 is formed as a lamp chamber 16.
  • a lamp unit 10 is disposed in the lamp chamber 16. As shown in FIG. 1 , the lamp unit 10 is attached to a substantially central portion of a bracket 18 that is formed from a metal such as aluminum. A first aiming screw 21 is attached to an upper portion of the bracket 18. A second aiming screw 22 is attached to a lower portion of the bracket 18. The bracket 18 is tiltably supported on the lamp body 12 by the first aiming screw 21 and the second aiming screw 22. The lower second aiming screw 22 is provided with an aiming actuator 24. As the aiming actuator 24 is driven, the bracket 18 is tilted so that, in turn, the lamp unit 10 is tilted. Thus, the adjustment of the optical axis of illumination light (aiming adjustment) is performed.
  • the lamp unit 10 includes a light emitting diode (LED) package 20, a projection lens 30, a lens support member 32, a heat sink 26, and a fan 28.
  • LED light emitting diode
  • the LED package 20 is provided on a front surface side of the bracket 18.
  • the LED package 20 includes a white LED, and emits white light toward the projection lens 30. A detailed description of the structure of the LED package 20 will be given later.
  • the projection lens 30 projects the light from the LED package 20 forward.
  • the projection lens 30 is a plano-convex aspherical lens whose light entry surface is formed as a flat surface and whose light exit surface is formed as a convex surface.
  • the projection lens 30 is supported in front of the LED package 20 by the lens support member 32.
  • the optical axis Ax of the projection lens 30 is substantially parallel to the longitudinal direction of the vehicle.
  • the heat sink 26 is provided on the back surface side of the bracket 18.
  • the heat sink 26 is formed of a high-thermal-conductivity metal such as aluminum, and dissipates heat generated by the LED package 20.
  • the fan 28 is provided rearward of the heat sink 26, and performs a forced cooling of the heat sink 26.
  • FIG. 2 is an exploded perspective view of an LED package in accordance with the embodiment of the present invention.
  • the LED package 20 has a structure in which an LED module 23 is mounted on a substantially central portion of an LED mount portion 27 that is formed integrally with the bracket 18 by aluminum die casting, and in which a reflector 25 that has an opening is provided on the LED module 23.
  • the reflector 25 is fixed to the LED mount portion 27 by screws 29.
  • the LED module 23 is sandwiched between the LED mount portion 27 and the reflector 25, so that the LED module 23 is fixed therebetween.
  • FIG. 3 shows a front view of an LED package in accordance with the embodiment of the present invention.
  • FIG. 4 is a cross sectional view of the LED package, taken along line IV-IV in FIG. 3 .
  • the LED package 20 includes the LED module 23, the LED mount portion 27, the reflector 25, and heat dissipation potions 39.
  • the LED module 23 includes an LED circuit board 36 and an LED 40.
  • the LED 40 is a white LED that has a rectangular light emitting surface.
  • the LED 40 includes four LED chips 37 and a fluorescent layer 38.
  • Each LED chip 37 is a blue LED whose size is about I mm square.
  • the four LED chips 37 are disposed in a line on the LED circuit board 36.
  • the LED circuit board 36 is formed of aluminum nitride or the like, and has a function of supplying electric current to the LED chips 37.
  • the fluorescent layer 38 is obtained by preparing a yellow fluorescent substance that converts blue light into yellow light as a ceramic material in a rectangular plate shape. Alternatively, the fluorescent layer 38 may be formed by sealing a yellow fluorescent substance in glass.
  • the fluorescent layer 38 is provided on the light emitting surface of the four LED chips 37.
  • the area of each of the light entry surface and the light emitting surface is at least larger than or equal to the area of the light emitting surface of the four LED chips 37.
  • the fluorescent layer 38 completely covers the light emitting surface of the four LED chips 37.
  • the reflector 25 has a rectangular parallelepiped shape in which a hole for allowing light from the LED 40 to pass is formed in a substantially central portion.
  • the hole portion of the reflector 25 has a first opening portion 34 which is disposed in front of the light emitting surface of the LED 40 and through which the light from the LED 40 enters the hole portion, a reflection portion 33 that reflects the light that has entered through the first opening portion 34, and a second opening portion 35 through which the light reflected from the reflection portion 33 is radiated.
  • the first opening portion 34 and the second opening portion 35 are rectangular opening portions.
  • the second opening portion 35 is larger than the first opening portion 34.
  • the reflection portion 33 has four reflective surfaces having a parabolic sectional shape which are provided corresponding to the sides of the rectangular first opening portion 34 and the rectangular second opening portion 35.
  • the reflector 25 is fixed onto the LED mount portion 27 by using the two screws 29 so that the first opening portion 34 is positioned on the light emitting surface of the LED 40.
  • the light emitted from the LED 40 is reflected by the reflection portion 33, and is directed to the projection lens 30.
  • the traveling direction of the light emitted from the LED 40 can be suitably controlled so that it is possible to allow the light to efficiently enter the projection lens 30.
  • the precision in installation of the reflector 25 onto the LED 40 is important. If the reflector 25 is attached with a deviation from a right position, there is a possibility that the first opening portion 34 of the reflector partially overlaps a region outside of the edge of the light emitting surface of the LED 40 and therefore the uniformity of the radiated light may decline.
  • the area of the first opening portion 34 is set smaller than the area of the light emitting surface of the LED 40.
  • FIG. 3 shows the four LED chips 37 of the LED 40, in interrupted lines.
  • the area of the first opening portion 34 is smaller than the area of the light emitting surface of the LED 40.
  • the long sides and the short sides of the rectangular first opening portion 34 are shorter than the long sides and the short sides, respectively, of the rectangular light emitting surface of the LED 40.
  • the first opening portion 34 does not overlap a dark region and the uniformity of the radiated light is therefore secured, so that it is possible to uniformly light a front area.
  • severe enhancement of the attachment precision of the reflector 25 is made unnecessary, and the cost of component parts and the production cost can be reduced.
  • the peripheral edge portion 41 of the second opening portion 35 of the reflector 25 has been subjected to a reflectivity reduction treatment for reducing the reflection of light. If light emitted from the LED package 20 is reflected by other component parts (e.g., the projection lens 30, etc.) in the lamp chamber 16, and returns into the LED package 20, the light reflected from the peripheral edge portion 41 becomes stray light, which may give glare to pedestrians and the like. Therefore, the reflectivity reduction treatment of the peripheral edge portion 41 as in the embodiment reduces the reflection from the peripheral edge portion 41, so that the glare that is given to pedestrians and the like can be reduced.
  • the reflectivity reduction treatment may also be, for example, a treatment in which graining is performed on the peripheral edge portion 41.
  • the reflectivity reduction treatment may be a treatment in which a light absorption film is formed on the peripheral edge portion 41.
  • a perimeter of the peripheral edge portion 41 of the reflector 25 is provided with the heat dissipation portions 39 for dissipating heat produced by the LED 40.
  • Each heat dissipation portion 39 has a plurality of flat plate fins.
  • the heat dissipation portions 39 are formed integrally with the reflector 25. By forming the heat dissipation portions 39 integrally with the reflector 25, the number of component parts can be reduced.
  • FIG. 5 is a cross sectional view of an LED package in accordance with another embodiment of the present invention.
  • the component elements that are the same as or correspond to those of the LED package shown in FIGS. 3 and 4 are denoted by the same reference characters, and redundant descriptions will be omitted as appropriate.
  • the LED package 20 in accordance with this embodiment is different from the LED package shown in FIG. 4 , in the fixing method for the reflector 25.
  • the reflector 25 is fixed by fitting a plurality of pins 42 provided on a lower surface of the reflector 25 into holes 43 that are formed in an upper surface of the LED circuit board 36.
  • the LED 40 is sandwiched between the reflector 25 and the LED circuit board 36, so that the LED 40 is fixed therebetween.
  • the attachment precision of the reflector 25 to the LED 40 will improve, and the assembly process is facilitated.
  • the area of the first opening portion 34 is smaller than the area of the light emitting surface of the LED 40.
  • the positions of the holes 43 formed in the upper surface of the LED circuit board 36 are slightly deviated, it is possible to prevent the first opening portion 34 of the reflector from partially overlapping a region outside of the edge of the light emitting surface of the LED 40.
  • the first opening portion 34 does not overlap a dark region and the uniformity of the radiated light is therefore secured, so that it is possible to uniformly light a front area.
  • a portion 44 of the reflector 25 that laterally surrounds the LED chips 37 is formed so as to have a reflective surface. This heightens the light use efficiency.
  • a peripheral edge portion 41 of the second opening portion 35 in the reflector 25 is not a flat surface perpendicular to the optical axis as in the LED package shown in FIG. 4 , but is an outwardly tilted surface.
  • light reflected from the peripheral edge portion 41 is restrained from entering the projection lens 30, and glare can be reduced.
  • FIG. 6 is a plan view of an LED package in accordance with still another embodiment of the present invention. Also with regard to the LED package 20 in accordance with this embodiment, component elements that are the same as or correspond to those of the LED package shown in FIGS. 3 and 4 are denoted by the same reference characters, and redundant descriptions will be omitted as appropriate.
  • the shape of opening of a second opening portion 35 in the reflector 25 is a shape that corresponds to a low-beam light distribution pattern that has a predetermined cut-off line.
  • the shape of opening of the second opening portion 35 is a shape obtained by inverting the low-beam light distribution pattern.
  • the shape of opening of the first opening portion 34 is rectangular.
  • the second opening portion 35 is formed in such a shape, the image formed by the light emitted from the second opening portion 35 becomes a shape obtained by inverting the low-beam light distribution pattern.
  • the projection lens 30 projects an inverted image of this image.
  • a vehicular lamp 100 in accordance with the embodiment is able to radiate light in the low-beam light distribution pattern.
  • the area of the first opening portion 34 is smaller than the area of the light emitting surface of the LED 40.
  • the reflector 25 is attached with a slight deviation from the right position, it is possible to prevent the first opening portion 34 of the reflector from partially overlapping a region outside of the edge of the light emitting surface of the LED 40.
  • the first opening portion 34 does not overlap a dark region and the uniformity of the radiated light is therefore secured, so that it is possible to uniformly light a front area.
  • a peripheral edge portion 41 of the second opening portion 35 in the reflector 25 has been subjected to a reflectivity reduction treatment for reducing reflection of light.
  • a region 45 in the peripheral edge portion 41 (a region located below the second opening portion 35 in FIG. 6 ) is not subjected to the reflectivity reduction treatment.
  • the projection lens is used as an example of the optical member that controls the light radiated from the reflector and radiates it to the front of the lamp
  • the optical member is not limited to the projection lens, but may also be, for example, a reflector or the like.
  • the reflector may include the heat dissipation portion.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Geometry (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP12164740.8A 2011-04-26 2012-04-19 Lampe véhiculaire Not-in-force EP2518393B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011098748A JP5666977B2 (ja) 2011-04-26 2011-04-26 車両用灯具

Publications (3)

Publication Number Publication Date
EP2518393A2 true EP2518393A2 (fr) 2012-10-31
EP2518393A3 EP2518393A3 (fr) 2018-04-18
EP2518393B1 EP2518393B1 (fr) 2019-02-27

Family

ID=45999686

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12164740.8A Not-in-force EP2518393B1 (fr) 2011-04-26 2012-04-19 Lampe véhiculaire

Country Status (3)

Country Link
EP (1) EP2518393B1 (fr)
JP (1) JP5666977B2 (fr)
CN (1) CN102759056B (fr)

Cited By (2)

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Publication number Priority date Publication date Assignee Title
EP3444525A4 (fr) * 2016-04-13 2019-11-06 Koito Manufacturing Co., Ltd. Unité émettrice de lumière et accessoire de lampe de véhicule
CN110945281A (zh) * 2017-05-24 2020-03-31 汽车照明罗伊特林根有限公司 用于机动车前照灯的led光模块

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JP6089686B2 (ja) * 2012-12-25 2017-03-08 日亜化学工業株式会社 発光装置
JP6261303B2 (ja) * 2013-11-29 2018-01-17 スタンレー電気株式会社 車両用灯具
JP2016018921A (ja) * 2014-07-09 2016-02-01 日本電気硝子株式会社 波長変換部材及び発光デバイス
JP6476663B2 (ja) * 2014-08-29 2019-03-06 市光工業株式会社 車両用灯具
JP6332294B2 (ja) * 2015-11-30 2018-05-30 日亜化学工業株式会社 発光装置
JP6638074B2 (ja) * 2016-01-12 2020-01-29 ルミレッズ ホールディング ベーフェー 光学素子の正確な位置決めを伴う照明構成
JP2017130309A (ja) * 2016-01-19 2017-07-27 スタンレー電気株式会社 車両用前照灯
WO2020116489A1 (fr) * 2018-12-06 2020-06-11 京セラ株式会社 Pièce de fixation de lampe de véhicule et véhicule

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Publication number Priority date Publication date Assignee Title
JP2006286395A (ja) 2005-03-31 2006-10-19 Ichikoh Ind Ltd 車両用灯具

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EP2518393A3 (fr) 2018-04-18
EP2518393B1 (fr) 2019-02-27
CN102759056A (zh) 2012-10-31
JP2012230834A (ja) 2012-11-22
CN102759056B (zh) 2014-08-27

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