WO2011086969A1 - Phare pour véhicule - Google Patents

Phare pour véhicule Download PDF

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Publication number
WO2011086969A1
WO2011086969A1 PCT/JP2011/050116 JP2011050116W WO2011086969A1 WO 2011086969 A1 WO2011086969 A1 WO 2011086969A1 JP 2011050116 W JP2011050116 W JP 2011050116W WO 2011086969 A1 WO2011086969 A1 WO 2011086969A1
Authority
WO
WIPO (PCT)
Prior art keywords
reflector
light
end opening
projection lens
led
Prior art date
Application number
PCT/JP2011/050116
Other languages
English (en)
Japanese (ja)
Inventor
隆之 八木
Original Assignee
株式会社小糸製作所
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 株式会社小糸製作所 filed Critical 株式会社小糸製作所
Priority to CN201180005941.9A priority Critical patent/CN102713420B/zh
Priority to EP11732839.3A priority patent/EP2525141B1/fr
Publication of WO2011086969A1 publication Critical patent/WO2011086969A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/041—Optical design with conical or pyramidal surface
    • 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
    • F21S41/30—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
    • F21S41/32—Optical layout thereof
    • F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
    • F21S41/334—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors
    • F21S41/336—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors with discontinuity at the junction between adjacent areas
    • 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
    • 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
    • F21S41/26—Elongated lenses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/06—Optical design with parabolic curvature
    • 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]

Definitions

  • the present invention relates to a headlamp for a vehicle such as an automobile, and more particularly to a headlamp using a semiconductor light emitting element such as an LED (light emitting diode) as a light source.
  • a semiconductor light emitting element such as an LED (light emitting diode)
  • this CPC is configured as a cone-shaped reflector whose ridgeline is a parabola or a shape close to this, and an LED is arranged in a small-diameter rear end opening, The light emitted from is reflected by the inner surface of the CPC and emitted from the front opening having a large diameter.
  • the present inventor When the present inventor has configured a headlamp of an automobile using such a CPC, it is possible to irradiate light at a high luminous intensity to a predetermined region centered on the optical axis due to the reflection characteristics of the CPC. It was effective in achieving the objectives of miniaturization and weight reduction.
  • the light emission characteristic of CPC is highly condensing and uniform, the light irradiation area has a circular light distribution even when the light projected from the CPC is projected through the lens.
  • a clear light / dark boundary portion having a circular shape at the boundary between the irradiated region and the non-irradiated region is likely to occur.
  • An object of the present invention is to provide a small and lightweight vehicle headlamp capable of obtaining a light distribution suitable for front lighting of a vehicle using a CPC or a reflector having a shape close thereto.
  • the present invention provides a reflector formed in a prismatic cylinder shape having a front end opening larger than the rear end opening, a light emitting element disposed in the rear end opening of the reflector, and a front end opening of the reflector.
  • the reflector is composed of upper, lower, left and right reflecting surfaces with a parabolic shape whose cross section in the axial direction is the focus of the light emitting element, and the light emitted from the front end opening has an emission angle in the left and right direction. It is characterized by being configured to be larger than the emission angle in the vertical direction.
  • the front end edge of the lower reflecting surface of the reflector is preferably formed in a shape corresponding to the cut-off line of the low beam light distribution, and the rear focal point of the projection lens is preferably arranged in the vicinity of the front end edge. Moreover, it is preferable that a notch is formed in the upper reflection surface of the reflector from the front edge toward the rear. In addition, it is preferable that the reflector, the light emitting element, and the projection lens are integrally assembled to form a lamp unit.
  • illumination with a light distribution pattern having a wider irradiation range in the left-right direction than in the up-down direction is possible, and a light distribution headlamp suitable for illuminating the front of the vehicle can be configured.
  • the front end edge of the lower reflection surface of the reflector has a shape corresponding to the cut-off line, and the rear focal point of the projection lens is arranged in the vicinity of the front end edge, thereby enabling a low beam light distribution having a required cut-off line.
  • a lamp can be configured.
  • by forming a notch in the upper reflecting surface of the reflector it is possible to configure a light distribution headlamp in which the luminous intensity is suppressed and the luminous intensity gradient is relaxed without producing a clear brightness boundary in the near-front illumination.
  • FIG. 1 is a longitudinal sectional view along a lamp optical axis showing a schematic configuration of an embodiment in which the present invention is applied to a headlamp of an automobile, particularly a headlamp with low beam distribution.
  • a lamp housing is composed of a container-shaped lamp body and a transparent front cover attached to the front opening of the lamp body, and the lamp unit LU shown in FIG. Decorated.
  • the lamp unit LU includes a light source 1, a reflector 2, and a projection lens 3.
  • the light emitted from the light source 1 is reflected by the reflector 2, and further refracted by the projection lens 3 and passes through the front cover. It is comprised so that it may irradiate toward the front area of a car.
  • the projection lens 3 has a function of condensing light.
  • the projection lens 3 is configured as a lens having a cylindrical shape having a function of condensing in the vertical direction and a function of diffusing in the horizontal direction. Yes.
  • FIG. 2 is an external perspective view of the main part of the lamp unit LU. 1 and 2, the lamp unit LU includes a unit base 4 made of a metal plate or the like.
  • the light source 1 is supported on the rear side wall 41 of the unit base, and the retainer is placed on the rear horizontal wall 42.
  • the reflector 2 is supported by 43.
  • the projection lens 3 is supported by a lens frame 45 on the front horizontal wall 44 of the unit base 4.
  • a heat sink 46 for radiating heat generated by the light source 1 is integrally provided on the rear surface of the rear side wall 41 of the unit base 4.
  • the light source 1 is composed of an LED, but here it is composed of a surface emitting LED having a rectangular light emitting surface.
  • the reflector 2 includes four reflecting surfaces 2u, 2d, 2l, and 2r on the upper, lower, left, and right sides when viewed from the front, and the front end opening 21 is the rear end opening 22. It is formed in a prism cylinder shape having a larger dimension.
  • the rear end opening 22 is formed substantially equal to the outer dimension of the LED 1 and the LED 1 is attached thereto.
  • the projection lens 3 is composed of a convex lens and faces the front end opening 21 of the reflector 2.
  • the reflector 22 will be described in detail. As shown in FIG. 3B, the reflector 22 is formed in a horizontally long rectangle having a horizontal dimension larger than a vertical dimension when viewed from the front.
  • the upper and lower reflecting surfaces 2u, 2d constituting the reflector 2 are line symmetric with respect to the central axis of the reflector 2, that is, the reflector optical axis Rx.
  • the shapes when cut in the vertical direction are all formed as parabolas.
  • the upper reflecting surface 2u is formed as a parabola with the lower edge of the rear opening 22 as a focal point Fu
  • the lower reflecting surface 2d is formed as a parabola with the upper edge of the rear opening 22 as a focal point Fd.
  • the reflecting surface is extended in the left-right direction.
  • the left and right reflecting surfaces 21 and 2r are similarly symmetrical with respect to the reflector optical axis Rx.
  • the shapes when cut in the horizontal direction are all formed as parabolas.
  • the left reflective surface 21 is formed as a parabola with the right end of the LED 1 disposed in the rear opening 21 as a focal point Fl
  • the right reflective surface 2r is formed as a parabola with the left end of the LED 1 as a focal point Fr.
  • the reflecting surfaces are extended vertically in the vertical direction.
  • the left and right reflecting surfaces 21 and 2r have a large inclination angle with respect to the reflector optical axis Rx, and are configured to reflect at a larger angle than the upper and lower reflecting surfaces 2u and 2d when light from the LED 1 is reflected, as will be described later. Has been.
  • the front edge of the lower reflecting surface 2d when the reflector 2 is viewed from the front of the front end opening 21, the front edge of the lower reflecting surface 2d has a right edge r at the left edge with a substantially central position in the left-right direction as a boundary.
  • the left and right edge portions are formed at different heights so as to be lower than the portion l. Further, the central edge portion c including this central position is inclined obliquely upward to the left when viewed from the front.
  • a step portion 2dd extending along the reflector optical axis Rx from the front end opening 21 toward the rear is formed at the central position in the left-right direction of the lower reflecting surface 2d. This constitutes a so-called cut-off line when performing illumination with a low beam light distribution.
  • an arc-shaped notch 23 is formed in the upper reflection surface 2u of the reflector 2 from the front end opening 21 toward the rear.
  • the shape and dimensions of the notch 23 are determined according to the light distribution characteristics of the low beam light distribution to be designed as will be understood from the description to be described later.
  • the LED 1 is disposed in the rear end opening 22 of the reflector 2 so that the center of the light emitting surface coincides with the reflector optical axis Rx.
  • the projection lens 3 is set at a position where the lens central axis, that is, the lens optical axis is deviated vertically downward and parallel to the reflector optical axis Rx.
  • the rear focal point Fp of the projection lens 3 is arranged so as to coincide with or substantially coincide with the central edge c of the front end edge of the lower reflection surface 2d of the front end opening 21 of the reflector 2.
  • This lens optical axis is the lamp optical axis Lx of the lamp unit.
  • the lamp unit LU of this configuration As shown in the horizontal optical path in FIG. 4B, when the LED 1 emits light, a part of the light emitted from the light emitting surface of the LED 1 is the left reflecting surface 21 and the right reflecting surface. 2r, respectively.
  • the left reflecting surface 21 and the right reflecting surface 2r are configured as paraboloids that focus on the left and right ends Fl, Fr of the LED 1 of the rear end opening 22.
  • part of the light emitted from the light emitting surface of the LED 1 is reflected as a parallel light flux and emitted from the front end opening 21 of the reflector 2 toward the projection lens 3.
  • the angle ⁇ 2 at which the reflected light is emitted and the angle ⁇ 21 at which the direct light is emitted are made equal. Can do.
  • the illumination light has a horizontal spread angle calculated based on the focal length, the refractive index, and the like. For example, the left and right regions are irradiated to 45 ° regions.
  • part of the light emitted from the light emitting surface of the LED 1 is projected onto the upper reflecting surface 2u and the lower reflecting surface 2d, respectively. Since the upper reflection surface 2u and the lower reflection surface 2d are paraboloids with the lower edge and the upper edge of the rear end opening 22 as focal points Fu and Fd, respectively, part of the light emitted from the light emitting surface of the LED 1 is Each is reflected as a parallel light beam and emitted from the front end opening 21 of the reflector 2 toward the projection lens 3.
  • the angle ⁇ 1 at which the reflected light is emitted and the angle ⁇ 11 at which the direct light is emitted are made equal. Can do.
  • the notch 23 is formed in the upper reflecting surface 2u from the front end opening 21 toward the rear, the light passing through the notch 23 is emitted at an incident angle ⁇ 12 larger than ⁇ 1 and is projected to the projection lens 3. It is incident on the upper region of.
  • the light emitted from the front end opening 21 of the reflector 2 is irradiated forward by the projection lens 3 to form a predetermined light distribution pattern.
  • the light in the upper limit region of the light distribution pattern that is, the light emitted along the front end edge of the lower reflecting surface 2 d of the reflector 2 before being inverted up and down by the projection lens 3
  • the front edge is disposed in the vicinity of the rear focal point Fp of the projection lens 3.
  • the light pattern corresponding to the shape of the front end edge is irradiated on the lens optical axis of the projection lens 3, in other words, on the lamp optical axis Lx.
  • a low beam light distribution pattern Lo having a cut-off line COL corresponding to the shape of the front end edge is formed at the upper light / dark boundary.
  • the light incident on the upper region of the projection lens 3 that is, the light reflected by the lower reflection surface 2 d emitted along the front end edge of the upper reflection surface 2 u of the reflector 2 and Since direct light emitted upward from the LED 1 has a notch 23 formed at the front edge, it is emitted upward through the notch 23 and is projected at an angle ⁇ 12 larger than the incident angle ⁇ 1. It is incident on the upper region of.
  • the light that has passed through the notch 23 is irradiated by the projection lens 3 onto the lens optical axis, that is, the region below the lamp optical axis Lx. Accordingly, the lower illumination area of the low beam light distribution pattern Lo shown in FIG. 5A, that is, the near-front area of the vehicle is further expanded to the near-front area An of the vehicle, and the light / dark boundary is not emphasized. A light distribution pattern with a reduced brightness gradient is formed.
  • the low beam light distribution pattern Lo obtained by the lamp unit LU according to the embodiment is light distribution suitable for front illumination of a vehicle that is narrow in the vertical direction and illuminates a wide area in the horizontal direction. Further, in the vicinity region of the lamp optical axis Lx that illuminates the far front region, the required cut-off line shape has a clear light / dark boundary, and the lower region that illuminates the near front region has a lightness gradient that is relaxed and wide. It becomes lighting over.
  • this lamp unit LU all of the light emitted from the LED 1 is used for low-beam light distribution, and the light utilization efficiency can be improved. A light distribution pattern for illuminating can be obtained. Further, a shade for obtaining a low beam light distribution pattern is unnecessary, and the lamp unit can be reduced in size and weight.
  • the shape of the front end edge of the lower reflecting surface 2d of the reflector 2 is not limited to the shape of the embodiment, but although not shown, the left edge on the left side of the front end edge is simply inclined. You may make it the shape.
  • a low beam light distribution pattern Lo2 having a cut-off line COL whose left side region is inclined obliquely upward to the left with respect to the lamp optical axis Lx is obtained.
  • the notch formed in the upper reflecting surface 2u of the reflector 2 is not limited to the arc shape of the embodiment, but a rectangular notch 23A as shown in a plan view in FIG. As shown in b), it may be a triangular notch 23B, and can be designed in an appropriate shape according to the light intensity and the width when illuminating the near front.
  • a cutout 23C in which the cutout amount in the central region is reduced may be used.
  • the irradiation light intensity of the area Ann just before the vehicle shown by a broken line in FIG. 5A is somewhat reduced, and the area Ann just before is too bright. Prevents loss of visibility. In particular, it is advantageous in reducing visibility due to road surface reflected light during rainy weather or the like and preventing dazzling of other vehicles.
  • the embodiment shows an example applied to low beam light distribution, but the shape of the front end edge of the lower reflection surface 2d of the reflector 2 is a simple linear shape, and the position of the rear focal point Fp of the projection lens 3 is appropriately set.
  • a high beam light distribution Hi that includes a region above the lamp optical axis Lx and does not have an upper edge region cut-off line.
  • the notch 23 is formed in the upper reflection surface 2u of the reflector 2, the near-front region An can be illuminated with a lightness gradient that does not cause a bright / dark boundary.
  • the light-emitting element in the present invention is not limited to the LED, and any semiconductor light-emitting element such as a laser diode can be applied as the light source of the headlamp of the present invention.
  • the present invention can be applied to a small headlamp using a light emitting element as a light source.
  • LED Light source
  • projection lens unit base 21 front end opening 22 rear end opening 23 notch 2u upper reflection surface 2d lower reflection surface 2r right reflection surface 2l left reflection surface

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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)

Abstract

L'invention concerne un phare de petite dimension pour véhicule qui est destiné à l'éclairage avant d'un véhicule et qui permet d'obtenir une distribution de la lumière adéquate. Ce phare se compose d'un réflecteur (2) de forme tubulaire pyramidale et dont une ouverture d'extrémité avant (21) est plus grande qu'une ouverture d'extrémité arrière (22), d'une DEL (1) disposée sur l'extrémité arrière (22) du réflecteur (2), et d'une lentille de projection (3) disposée face à l'ouverture d'extrémité avant (21) du réflecteur (2). En outre, le réflecteur (2) se compose de faces réfléchissantes haut, bas, gauche et droite (2u, 2d, 2l, 2r) prenant chacune une forme parabolique se concentrant sur la DEL (1), de telle sorte que l'angle d'émission de lumière émise à partir du réflecteur (2) est plus grand dans la direction gauche droite que dans la direction haut bas. Le bord d'extrémité avant de la face réfléchissante bas (2d) prend une forme qui correspond à une ligne de coupure de la distribution de lumière d'un feu de croisement, et une encoche (23) orientée du bord d'extrémité avant vers l'arrière est agencée sur la face réfléchissante haut (2u).
PCT/JP2011/050116 2010-01-12 2011-01-06 Phare pour véhicule WO2011086969A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201180005941.9A CN102713420B (zh) 2010-01-12 2011-01-06 车辆用头灯
EP11732839.3A EP2525141B1 (fr) 2010-01-12 2011-01-06 Phare pour véhicule

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010-003564 2010-01-12
JP2010003564A JP5442463B2 (ja) 2010-01-12 2010-01-12 車両用ヘッドランプ

Publications (1)

Publication Number Publication Date
WO2011086969A1 true WO2011086969A1 (fr) 2011-07-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2011/050116 WO2011086969A1 (fr) 2010-01-12 2011-01-06 Phare pour véhicule

Country Status (4)

Country Link
EP (1) EP2525141B1 (fr)
JP (1) JP5442463B2 (fr)
CN (1) CN102713420B (fr)
WO (1) WO2011086969A1 (fr)

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EP2565530A1 (fr) 2011-09-05 2013-03-06 Valeo Vision Module optique pour dispositif de signalisation et/ou d'éclairage
EP2730838A1 (fr) * 2012-11-12 2014-05-14 Valeo Vision Module d'éclairage pour projecteur de véhicule automobile comprenant plusieurs sources lumineuses
EP2455656A3 (fr) * 2010-11-18 2015-03-18 Koito Manufacturing Co., Ltd. Phare de véhicule

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US9273843B2 (en) * 2010-04-19 2016-03-01 Koninklijke Philips N.V. LED front lighting arrangement
JP5793822B2 (ja) * 2011-08-10 2015-10-14 スタンレー電気株式会社 車両用前照灯用の光源ユニット及びこれを用いた車両用前照灯
JPWO2015001733A1 (ja) * 2013-07-01 2017-02-23 株式会社小糸製作所 車両用前照灯
JP6471457B2 (ja) * 2014-10-23 2019-02-20 市光工業株式会社 車両用灯具
JP6550788B2 (ja) * 2015-02-23 2019-07-31 市光工業株式会社 車両用灯具
TWI607181B (zh) * 2015-07-06 2017-12-01 隆達電子股份有限公司 導光柱與使用其的車用燈具
JP6980377B2 (ja) * 2016-12-15 2021-12-15 株式会社小糸製作所 車両用前照灯
CN106764818A (zh) * 2017-04-05 2017-05-31 成都恒坤光电科技有限公司 一种反光罩及采用该反光罩的车灯
CN107044610A (zh) * 2017-04-05 2017-08-15 成都恒坤光电科技有限公司 一种底部入射的反光罩及采用该反光罩的车灯
CN108302485A (zh) * 2017-09-13 2018-07-20 上海小糸车灯有限公司 车灯用智能照明系统、车灯总成及汽车
JP7149062B2 (ja) * 2017-10-25 2022-10-06 スタンレー電気株式会社 車両用灯具ユニット
JP6968686B2 (ja) * 2017-12-22 2021-11-17 スタンレー電気株式会社 車両用灯具
FR3077365B1 (fr) * 2018-01-30 2021-06-25 Valeo Vision Dispositif d'eclairage de la route a surface generatrice de caustique controlee formant un faisceau d'eclairage
JP7130913B2 (ja) * 2018-06-27 2022-09-06 日亜化学工業株式会社 光学装置および照明装置
JP7265922B2 (ja) * 2019-04-22 2023-04-27 スタンレー電気株式会社 車両用前照灯
CN111765426B (zh) * 2019-05-20 2022-03-18 华域视觉科技(上海)有限公司 车灯用光学装置、汽车照明装置及汽车
CN112628683B (zh) * 2019-10-09 2023-02-28 坦德科技股份有限公司 车用照明装置
EP3865765A1 (fr) * 2020-02-14 2021-08-18 Tan de Tech Co., Ltd. Dispositif d'éclairage pour véhicule
CN111780049A (zh) * 2020-06-28 2020-10-16 华域视觉科技(上海)有限公司 一种车辆反射镜及基于此的近光单元
CN112944276B (zh) * 2021-02-24 2021-10-01 华域视觉科技(上海)有限公司 远近光一体光学装置、汽车照明装置及汽车
WO2023189960A1 (fr) * 2022-03-31 2023-10-05 株式会社小糸製作所 Lampe de véhicule
CN116097033A (zh) * 2022-09-30 2023-05-09 珠海水立方照明科技有限公司 一种车灯光学系统

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JP2011146133A (ja) 2011-07-28
EP2525141A4 (fr) 2015-07-15
JP5442463B2 (ja) 2014-03-12
EP2525141A1 (fr) 2012-11-21
EP2525141B1 (fr) 2018-03-07
CN102713420B (zh) 2014-11-05

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