WO2021070789A1 - Composant de lentille et module de source de lumière - Google Patents

Composant de lentille et module de source de lumière Download PDF

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Publication number
WO2021070789A1
WO2021070789A1 PCT/JP2020/037763 JP2020037763W WO2021070789A1 WO 2021070789 A1 WO2021070789 A1 WO 2021070789A1 JP 2020037763 W JP2020037763 W JP 2020037763W WO 2021070789 A1 WO2021070789 A1 WO 2021070789A1
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WO
WIPO (PCT)
Prior art keywords
lens component
light
light source
central convex
convex portion
Prior art date
Application number
PCT/JP2020/037763
Other languages
English (en)
Japanese (ja)
Inventor
達川　正士
快之 中西
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 CN202080068664.5A priority Critical patent/CN114450518A/zh
Priority to JP2021551649A priority patent/JPWO2021070789A1/ja
Publication of WO2021070789A1 publication Critical patent/WO2021070789A1/fr

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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
    • F21S41/10—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
    • F21S41/16—Laser 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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/25—Projection lenses
    • F21S41/27—Thick lenses
    • 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
    • F21S41/275—Lens surfaces, e.g. coatings or surface structures
    • 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
    • F21S41/29—Attachment thereof
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • 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
    • F21V5/00—Refractors for light sources
    • 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
    • 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]
    • 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

Definitions

  • the present invention relates to a lens component and a light source module used for a vehicle lamp or the like.
  • Patent Document 1 The lens component described in Patent Document 1 is known.
  • An object of the present invention is to provide a lens component and a light source module suitable for a vehicle lamp.
  • the lens component according to one aspect of the present invention is A lens component used for vehicle lamps that emit light forward.
  • the front facing forward and An outer surface that curves and extends from the rear toward the front surface, In the region through which the axis line passing through the light source and parallel to the direction in which the light is emitted passes, a rear convex surface that is provided at a position recessed forward from the outer surface and is convex rearward. It has an inner surface that connects the rear end portion of the outer surface and the rear convex surface.
  • a cavity that opens rearward is formed by the rear convex surface and the inner surface surface.
  • the front surface is provided in a region through which the axis line passes, and has a central convex portion having a convex shape forward and extends flatly from the outer edge of the central convex portion in a direction orthogonal to the axis line to the outer edge of the central convex portion. It has an annular flat portion provided in an annular shape, and has an annular flat portion.
  • the rear convex surface has a shape that guides the light emitted from the light source arranged in the cavity and incident on the rear convex surface to the central convex portion.
  • the central convex portion has a shape in which light incident on the central convex portion is emitted forward as parallel light.
  • the outer surface has a shape that totally reflects light emitted from the light source and incident on the inner surface as parallel light so as to be guided to the front surface other than the central convex portion. All areas of the front surface emit light.
  • lens component which concerns on embodiment of this invention. It is a front view of a lens component. It is sectional drawing which shows the lens component of a reference example. It is sectional drawing of the light source module which concerns on embodiment of this invention. It is a perspective view of the light source module shown in FIG. It is a perspective view of the light source module which concerns on a modification.
  • FIG. 1 is a cross-sectional view of the lens component 1 and the light source 51 according to the embodiment of the present invention.
  • FIG. 2 is a front view of the lens component 1.
  • the lens component 1 is used, for example, in a vehicle lighting tool such as a vehicle headlight that emits light to the front of the vehicle.
  • the lens component 1 includes a front surface 10, an outer surface 20, a rear convex surface 30, and an inner surface 40.
  • the lens component 1 has a substantially truncated cone shape in which the diameter decreases from the front portion to the rear portion in a side view.
  • the direction in which the lens component 1 emits light is defined as the front. In FIG. 1, the left side is the front.
  • the front surface 10 is a surface having a circular shape facing the front of the lens component 1.
  • the front surface 10 has a central convex portion 12 provided in the central portion and an annular flat portion 14 provided outside the central convex portion 12.
  • the central convex portion 12 is provided in a region centered on a point on the front surface 10 through which the axis line Ax passing through the light source 51 and parallel to the direction in which the light of the light source 51 is emitted passes. As shown in FIG. 1, the central convex portion 12 is formed so as to be convex toward the front. Further, as shown in FIG. 2, the central convex portion 12 is formed so as to have an elliptical shape when viewed from the front. Note that FIG. 1 is a cross-sectional view taken along the line AA of FIG.
  • the annular flat portion 14 is provided so as to be continuous from the outer edge of the central convex portion 12 and extend flatly in a direction orthogonal to the direction of the axis Ax.
  • the annular flat portion 14 is provided in an annular shape on the outer edge of the central convex portion 12.
  • a diffusion portion 15 composed of a plurality of grooves is formed on the front surface 10.
  • the diffusing unit 15 diffuses the light emitted from the light source 51 in the major axis direction of the central convex portion 12 and emits it.
  • the diffusion portions 15 are formed at both ends of the front surface 10 in the major axis direction (horizontal direction in FIG. 2) of the elliptical central convex portion 12.
  • the groove of the diffusion portion 15 extends in the minor axis direction (vertical direction in FIG. 2) in the elliptical central convex portion 12.
  • the diffusion portion 15 is formed by, for example, performing fine uneven processing such as knurling on the annular flat portion 14.
  • the diffusion portion 15 is formed at an end portion of the central convex portion 12 outside the central convex portion 12 in the long axis direction, but the present invention is not limited to this.
  • the diffusion portion 15 may be formed inside, for example, both ends of the central convex portion 12 in the long axis direction of the central convex portion 12.
  • the shape of the annular flat portion is C-shaped or an annular shape in which a part is cut out, but even in such a shape, it is continuous from the outer edge of the central convex portion 12 and orthogonal to the axis Ax.
  • the portion extending flatly in the direction is called an annular flat portion 14.
  • the term "annular" as used herein means a shape including a C-shape or a shape such as one or more arcs.
  • the outer surface 20 is provided so as to be curved and extend from the rear to the front of the lens component 1.
  • the outer side surface 20 is composed of a curved surface that is rotationally symmetric with respect to the axis Ax.
  • the front side of the outer side surface 20 is provided so as to be connected to the outer peripheral edge of the front surface 10.
  • the rear side of the outer side surface 20 is provided so as to be connected to the inner side surface 40 described later.
  • the rear convex surface 30 is provided at a position recessed forward from the rear end portion of the outer surface 20.
  • the rear convex surface 30 is provided in a region centered on a point through which the axis Ax passes.
  • the rear convex surface 30 is provided so as to be located behind the central convex portion 12 of the front surface 10.
  • the rear convex surface 30 is formed so as to be convex toward the rear.
  • the rear convex surface 30 is formed in an elliptical shape corresponding to the shape of the central convex portion 12 of the front surface 10 when viewed from the rear.
  • the length (major axis) of the major axis of the elliptical rear convex surface 30 is set shorter than the major axis of the elliptical central convex portion 12. Further, the length (minor axis) of the minor axis of the rear convex surface 30 is set shorter than the minor axis of the central convex portion 12.
  • the light directed from the rear convex surface 30 toward the central convex portion 12 travels with a spread in the lens component 1. Therefore, the central convex portion 12 has a shape that makes the light traveling with such a spread into parallel light parallel to the axis Ax.
  • the inner surface 40 is provided so as to connect the outer surface 20 and the rear convex surface 30.
  • the rear side of the inner side surface 40 is provided so as to be connected to the rear end portion of the outer side surface 20.
  • the front side of the inner side surface 40 is provided so as to be connected to the outer peripheral portion of the rear convex surface 30.
  • the shape of the inner side surface 40 is designed so that the light from the inner side surface 40 toward the annular flat portion 14 becomes parallel light parallel to the axis Ax.
  • a cavity 45 that opens rearward is formed in the rear portion of the lens component 1 by the rear convex surface 30 and the inner surface 40.
  • the cavity 45 is formed in an elliptical shape having the same shape as the rear convex surface 30 described above when viewed from the rear.
  • the light source 51 is arranged behind the lens component 1 so as to face the cavity 45.
  • the light X1 emitted from the light source 51 in the front direction (axis direction Ax) is incident on the rear convex surface 30.
  • the light X1 incident on the rear convex surface 30 is refracted so as to be incident on the central convex portion 12.
  • the light incident on the central portion of the rear convex surface 30 is guided to the central portion of the central convex portion 12.
  • the light incident on the outer peripheral portion of the rear convex surface 30 is guided to the outer peripheral portion of the central convex portion 12.
  • the light X2 incident on the outer edge of the rear convex surface 30 is guided to the outer edge of the central convex portion 12 (the boundary portion 13 between the central convex portion 12 and the annular flat portion 14).
  • the light X1 incident on the central convex portion 12 is emitted forward as parallel light.
  • the light X3 emitted laterally (in other words, at an angle equal to or greater than a predetermined angle from the front direction) is incident on the inner side surface 40.
  • the light X3 incident on the inner surface 40 is refracted in a direction away from the axis Ax and is incident on the outer surface 20.
  • the light X3 incident on the outer side surface 20 is totally reflected as parallel light by the outer surface 20, and is guided to the front surface 10 (annular flat portion 14 and diffusion portion 15) other than the central convex portion 12.
  • the light X3 incident on the annular flat portion 14 is emitted as parallel light in front of the lens component 100 as it is.
  • the light incident on the diffusing unit 15 is diffused in the left-right direction and emitted forward.
  • the lens component 1 of the present embodiment light is emitted from all the surfaces of the front surface 10 of the lens component 1 including the boundary portion 13 between the central convex portion 12 and the annular flat portion 14. That is, since the lens component 1 illuminates the entire front surface 10, it is suitable as a lens component used for vehicle lighting equipment.
  • FIG. 3 is a diagram showing a lens component 100 described in Patent Document 1 according to a reference example.
  • the lens component described in Patent Document 1 cannot emit light in all regions on the front surface of the lens component 100.
  • the light Y1 emitted forward from the light source 101 and incident on the surface 104 facing the light source 101 is refracted by the surface 104, and the lens portion recessed from the flat portion 103 in the front surface of the lens component 100. It is incident on 105 and emitted as parallel light parallel to the axis Ax.
  • the light Y2 emitted laterally from the light source 101 and totally reflected by the outer surface 102 is incident on the flat portion 103 on the front surface and is emitted as parallel light parallel to the axis Ax.
  • the lens portion 105 and the flat portion 103 emit light.
  • no light is incident on the inclined portion 106 between the lens portion 105 and the flat portion 103, and the inclined portion 106 does not emit light. Therefore, when the lens component 100 is viewed from the front, it seems that a donut-shaped dark portion is generated at the boundary between the lens portion 105 corresponding to the inclined portion 106 and the flat portion 103.
  • a central convex portion 12 and an annular flat portion 14 are provided on the front surface 10 of the lens component 1, and both are continuous.
  • the lens component 1 of the present embodiment is configured so that the light incident on the outer edge portion of the rear convex surface 30 from the light source 51 is guided to the boundary portion 13 between the central convex portion 12 and the annular flat portion 14. Therefore, the boundary portion 13 between the central convex portion 12 and the annular flat portion 14 can also be illuminated, and the entire region of the front surface 10 can be illuminated without causing a dark portion. Therefore, the lens component 1 of the present embodiment is suitable for a vehicle lamp that requires miniaturization. In particular, the lens component 1 of the present embodiment is suitable for vehicle lighting equipment such as headlamps, cornering lamps, and fog lamps.
  • the lens component 1 of the present embodiment since the shape of the central convex portion 12 is formed in an elliptical shape in the front view, it is possible to widely irradiate light in the long axis direction. .. Therefore, the lens component 1 is suitable for vehicle lighting equipment in which it is desired to form a wide light distribution pattern in the left-right direction in front of the vehicle.
  • a diffusion portion 15 composed of a plurality of grooves is formed at the end of the annular flat portion 14 in the major axis direction of the central convex portion 12 formed in an elliptical shape. .. Therefore, it is possible to form a wider range of light irradiation in the major axis direction at the central convex portion 12 of the front surface 10.
  • FIG. 4 is a cross-sectional view of the light source module 50.
  • FIG. 5 is a perspective view of the light source module 50.
  • the light source module 50 includes a lens component 1, a light source 51, a substrate 52, a lens holder 53, and a heat sink 55.
  • the light source 51 is composed of a semiconductor light source such as an LED (Light Emitting Diode) and an LD (Laser Diode).
  • the light source 51 is mounted on the substrate 52.
  • the substrate 52 is attached to the lens holder 53.
  • the light source 51 mounted on the substrate 52 is arranged so as to face the cavity 45 of the lens component 1.
  • the lens holder 53 is attached to the heat sink 55.
  • the lens holder 53 is provided with a substrate support base 57 and a mounting base 56.
  • the lens holder 53 is a substantially plate-shaped member.
  • a substrate support base 57 and a mounting base 56 are provided on one surface of the lens holder 53.
  • a heat sink 55 is provided on the other surface of the lens holder 53.
  • the lens component 1 has a pair of straight line portions 16 and an arc portion 17 connecting the pair of straight line portions 16.
  • the pair of straight lines 16 are provided so as to face the outer edge of the annular flat portion 14 with the axis Ax interposed therebetween when the lens component 1 is viewed from the front.
  • the straight portion 16 is formed on the outer edge of the annular flat portion 14 in the minor axis direction (vertical direction in FIG. 5) of the elliptical central convex portion 12.
  • the arc portion 17 is formed on the outer edge of the annular flat portion 14 in the long axis direction (horizontal direction in FIG. 5) of the elliptical central convex portion 12.
  • the lens component 1 is formed in a rectangular shape with rounded corners when viewed from the front.
  • the lens component 1 shown in FIG. 5 has a mounting portion 18.
  • the attachment portion 18 is a portion for attaching the lens component 1 to the lens holder 53.
  • the mounting portion 18 extends from the straight line portion 16 in a direction away from the axis Ax when the lens component 1 is viewed from the front.
  • the mounting portion 18 is an L-shaped portion.
  • the mounting portion 18 extends from the straight portion 16 toward the lens holder 53, and extends in a direction away from the axis Ax at the extending end.
  • the lens holder 53 is attached to the attachment portion 18.
  • the screw 54 inserted into the screw hole 19 (see FIG. 4) provided in the mounting portion 18 is screwed into the mounting base 56 of the lens holder 53, whereby the lens component 1 is mounted on the lens holder 53. Has been done.
  • vehicle lamps are required to have an appearance design, and elongated lens parts extending in the left-right direction when viewed from the front can give a sharp impression to the viewer and are preferred.
  • the lens component 1 used for a vehicle lamp is required to have a characteristic of irradiating light widely in the long axis direction of the central convex portion 12. Since the light source module 50 of the present embodiment is provided with straight portions 16 at the upper and lower portions when viewed from the front, it is easy to design a good-looking vehicle lamp. Further, a straight line portion 16 designed to cut out a part of the annular flat portion 14 is provided at an end portion of the elliptical central convex portion 12 in the minor axis direction.
  • the mounting portion 18 is provided on the lens component 1, the light incident on the mounting portion 18 cannot be effectively emitted forward.
  • the mounting portion 18 is provided at the upper portion and the lower portion when the lens component 1 is viewed from the front. As described above, the lens component 1 is required to have a wide irradiation range in the left-right direction, but not so wide in the vertical direction.
  • the light distribution pattern formed by the vehicle lamp is unlikely to be significantly affected, and the light source module 50 of the present embodiment is less likely to be affected. Is suitable for vehicle lighting fixtures.
  • FIG. 6 is a perspective view of the light source module 60 according to the modified example.
  • the light source module 60 includes an optical sensor 61 in addition to the configuration of the light source module 50 described above.
  • the optical sensor 61 is attached in the vicinity of the straight portion 16 formed on the outer edge of the annular flat portion 14 on the front surface 10 of the lens component 1 having a rounded rectangle.
  • the optical sensor 61 is a sensor capable of detecting light having a specific wavelength among the light of the light source 51 emitted from the linear portion 16 to the outside of the lens component 1.
  • the light source 51 has a light emitting unit (light emitting chip) and a phosphor provided so as to cover the light emitting chip.
  • the light source module 60 of the above modification for example, when the phosphor covering the light emitting chip of the light source 51 is removed, the light (for example, ultraviolet rays) directly emitted from the light emitting chip can be detected by the optical sensor 61. .. Therefore, when unintended light such as ultraviolet rays is detected as the emitted light of the lens component 1, the light source 51 is turned off to prevent such light from leaking to the outside from the lens component 1. Can be done.
  • the mounting portion 18 is provided on the arc portion 17.
  • the present invention is not limited to the above-described embodiment, and can be freely modified, improved, and the like as appropriate.
  • the material, shape, size, numerical value, form, number, arrangement location, etc. of each component in the above-described embodiment are arbitrary and are not limited as long as the present invention can be achieved.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

La présente invention concerne un composant de lentille (1) comprenant : une surface avant (10) ; une surface latérale externe (20) ; une surface saillante arrière (30) ; et une surface latérale interne (40). La surface avant (10) a une partie saillante centrale (12) et une partie plate annulaire (14). La surface saillante arrière (30) guide, vers la partie saillante centrale (12), une lumière qui a quitté une source de lumière (51) et est entrée dans la surface saillante arrière (30). La partie saillante centrale (12) émet la lumière qui est entrée dans la partie saillante centrale (12), vers l'avant, sous la forme de faisceaux parallèles. La surface latérale externe (20) réfléchit totalement la lumière qui a quitté la source de lumière (51) et est entrée dans la surface latérale interne (40), vers la partie plate annulaire (14), sous la forme de faisceaux parallèles. Toutes les régions de la surface avant (10) émettent de la lumière.
PCT/JP2020/037763 2019-10-10 2020-10-05 Composant de lentille et module de source de lumière WO2021070789A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202080068664.5A CN114450518A (zh) 2019-10-10 2020-10-05 透镜部件以及光源模块
JP2021551649A JPWO2021070789A1 (fr) 2019-10-10 2020-10-05

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019186786 2019-10-10
JP2019-186786 2019-10-10

Publications (1)

Publication Number Publication Date
WO2021070789A1 true WO2021070789A1 (fr) 2021-04-15

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CN (1) CN114450518A (fr)
WO (1) WO2021070789A1 (fr)

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EP3095002B1 (fr) * 2014-06-02 2017-08-09 Philips Lighting Holding B.V. Système optique de collimation de la lumière
TW201629387A (zh) * 2015-02-12 2016-08-16 中強光電股份有限公司 車燈模組及透鏡
CN115128814B (zh) * 2016-09-06 2023-09-15 麦克赛尔株式会社 平视显示器
JP6681808B2 (ja) * 2016-09-12 2020-04-15 マクセル株式会社 光源装置
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007172930A (ja) * 2005-12-20 2007-07-05 Stanley Electric Co Ltd 車両前照灯
JP2009043543A (ja) * 2007-08-08 2009-02-26 Stanley Electric Co Ltd 灯具用投影レンズ、及び、灯具用投影レンズを用いた灯具
JP2009087897A (ja) * 2007-10-03 2009-04-23 Harison Toshiba Lighting Corp 光学部品およびこれを用いた車両用灯具
JP2012256595A (ja) * 2011-06-07 2012-12-27 Champ Tech Optical (Foshan) Corp レンズ及びそれを備えた照明装置
JP2015215975A (ja) * 2014-05-08 2015-12-03 株式会社小糸製作所 車両用灯具
JP2016009065A (ja) * 2014-06-24 2016-01-18 スタンレー電気株式会社 レンズ体、レンズ結合体及び車両用灯具
JP2017522708A (ja) * 2014-07-23 2017-08-10 マイオテック パシフィック コーポレーション フォグランプレンズおよびアセンブリ
WO2018139081A1 (fr) * 2017-01-27 2018-08-02 マクセル株式会社 Dispositif de phare

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