WO2024065628A1 - Système optique de lampe pour véhicule - Google Patents

Système optique de lampe pour véhicule Download PDF

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Publication number
WO2024065628A1
WO2024065628A1 PCT/CN2022/123124 CN2022123124W WO2024065628A1 WO 2024065628 A1 WO2024065628 A1 WO 2024065628A1 CN 2022123124 W CN2022123124 W CN 2022123124W WO 2024065628 A1 WO2024065628 A1 WO 2024065628A1
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WO
WIPO (PCT)
Prior art keywords
parabola
lamp bead
led lamp
optical system
main
Prior art date
Application number
PCT/CN2022/123124
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English (en)
Chinese (zh)
Inventor
杨传银
Original Assignee
珠海水立方照明科技有限公司
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 珠海水立方照明科技有限公司 filed Critical 珠海水立方照明科技有限公司
Priority to CN202280003583.6A priority Critical patent/CN116097033A/zh
Priority to PCT/CN2022/123124 priority patent/WO2024065628A1/fr
Publication of WO2024065628A1 publication Critical patent/WO2024065628A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
    • F21S41/337—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector having a structured surface, e.g. with facets or corrugations
    • 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]
    • 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
    • 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
    • F21W2102/13—Arrangement or contour of the emitted light for high-beam region or low-beam region
    • F21W2102/135—Arrangement or contour of the emitted light for high-beam region or low-beam region the light having cut-off lines, i.e. clear borderlines between emitted regions and dark regions
    • 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
    • F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
    • F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
    • 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 invention relates to the technical field of automobile lighting, and in particular to an automobile light optical system.
  • LED car headlight design due to the importance of LED car headlight design, people have studied many design methods for LED car headlights: such as projection reflector, ellipsoid reflector, quasi-ellipsoid reflector, lens reflector and other reflector design ideas, but all design methods have imperfect factors.
  • the LED car headlights actually used can be simply summarized into two types: projection type and reflection type.
  • the optical system of projection-type automobile headlights is mainly composed of a light source, an ellipsoidal reflector, a sunshade, and an optical lens.
  • the optical lens generally adopts an aspherical lens or a free-form lens.
  • the light source is placed at the first focus of the ellipse, and the sunshade is placed at the second focus.
  • the focus of the lens coincides with the second focus of the ellipse.
  • the cutoff line of the projection-type automobile headlight is determined by the sunshade, so a perfect light and dark cutoff line can be obtained.
  • the sunshade blocks part of the light, the light energy utilization rate of the projection-type automobile headlight is reduced.
  • Reflective automobile headlamp optical systems can be divided into two types in terms of shape: parabolic type and free-form type.
  • the parabolic type does not conform to modern car body design due to the presence of a sunshade and a light distribution mirror, and the light energy utilization rate is not high, so it is basically not used now.
  • the free-form type automobile headlamp is mainly composed of a light source, a free-form type reflector and a smooth optical lens.
  • the characteristic of this headlamp is that the light distribution task is completely completed by the free-form type reflector, and the smooth optical lens has no pattern on the surface, but only serves as the external seal of the automobile headlamp; because the free-form type reflector is very complex in design and has high processing precision, the size of the automobile headlamp is generally large, which is not conducive to the design of the automobile body.
  • the purpose of the present invention is to provide a new type of headlight optical system.
  • the headlight optical system has an ingenious structural design and a miniaturized structure, which greatly reduces the difficulty of existing headlight design and is simple to manufacture.
  • the headlight optical system has high luminous efficiency, which is particularly beneficial to the development of modern car models.
  • a vehicle light optical system suitable for a low beam lamp comprising a reflector and a long strip LED lamp bead, wherein the reflector comprises at least a main reflective surface and a 15° additional reflective surface, wherein the main reflective surface is set as a parabola stretching surface, wherein the parabola stretching surface is formed by extending the parabola along the length direction of the long strip LED lamp bead, and the parabola satisfies the formula Among them, p>2, the parabolic stretching surface forms a focal line and a vertex line, and a virtual surface is formed between the focal line and the vertex line; the light-emitting surface of the elongated LED lamp bead faces the main reflective surface, and an edge of the light-emitting surface of the elongated LED lamp bead coincides with the focal line, and the central axis of the light-emitting surface of the elongated LED lamp bead forms an angle of 60°-75° with the virtual surface; the 15° additional reflective surface is
  • the parabola stretching surface is formed by connecting the main parabola and the auxiliary parabola extending along the length direction of the long strip LED lamp bead, and the main parabola satisfies the formula
  • the auxiliary parabola satisfies the formula Among them, p>2.
  • the reflector further comprises auxiliary reflecting surfaces, the auxiliary reflecting surfaces are located on both sides of the long strip LED lamp bead in the length direction, and the auxiliary reflecting surfaces are transitionally connected to the main reflecting surface.
  • the focal line formed by the main reflecting surface crosses the focal line formed by the auxiliary reflecting surface perpendicularly.
  • the main reflective surface is set as a single-sided parabolic stretching surface
  • the headlight optical system also includes a lamp bead mounting plate, the long strip LED lamp beads are mounted on the lamp bead mounting plate, the lamp bead mounting plate is directly opposite to the main reflective surface, and the lamp bead mounting plate is transitionally connected to the auxiliary reflective surface and the main reflective surface.
  • the vehicle light optical system further comprises a lens, and the lens is arranged at an opening formed after the lamp bead mounting plate, the auxiliary reflecting surface, and the main reflecting surface are transitionally connected.
  • the outer wall surface of the lens is a concave-convex light distribution pattern surface or a flat surface.
  • the 15° additional reflective surface is set as a parabola stretching surface, and the parabola satisfies the formula Among them, p>2.
  • a headlight optical system suitable for high beam/fog lamp/signal lamp comprising a reflector and a long strip LED lamp bead, wherein the reflector comprises at least a main reflective surface, and the main reflective surface is set as a parabola stretching surface, wherein the parabola stretching surface is formed by extending the parabola along the length direction of the long strip LED lamp bead, and the parabola satisfies the formula Among them, p>2, the parabolic stretching surface forms a focal line and a vertex line, and a virtual surface is formed between the focal line and the vertex line; the light-emitting surface of the elongated LED lamp bead faces the main reflecting surface, and the light-emitting surface of the elongated LED lamp bead surrounds the focal line, and the central axis of the light-emitting surface of the elongated LED lamp bead forms an angle of 60°-75° with the virtual surface.
  • the present invention has the following beneficial effects:
  • the present invention provides a novel low-beam headlight optical system, comprising a reflector and a long strip LED lamp bead, the reflector comprising a main reflective surface and a 15° additional reflective surface, the main reflective surface is set as a parabolic stretching surface, the parabolic stretching surface has a unique reflection law, which is very beneficial to the design of the headlight, and is characterized in that: the parabolic stretching surface is formed by a parabola extending straight along the length direction of the long strip LED lamp bead, a parabola has a focus, the parabolic stretching surface can form a focal line, an edge of the light-emitting surface of the long strip LED lamp bead coincides with the focal line, and the light-emitting surface of the long strip LED lamp bead faces the parabolic stretching surface, and the light is reflected to form a clear light-dark cutoff line.
  • the main reflective surface is set as a parabolic stretching surface
  • the 15° additional reflective surface is set on the inner surface of the main reflective surface, and the inner surface of the 15° additional reflective surface intersects with the inner surface of the main reflective surface to form a 15° angle.
  • Such a structural setting enables the main reflective surface of the reflector to form a horizontal line in the light-dark cut-off line, and the 15° additional reflective surface to form a 15-degree line in the light-dark cut-off line.
  • the light-dark cut-off line of the low-beam headlight can be formed without the use of a sunshade.
  • the design is ingenious and the structure is miniaturized, which greatly reduces the difficulty of existing headlight design.
  • the LED lamp beads adopt a straight-line shaped light source, which can be composed of multiple LED lamps connected in series in a long strip shape.
  • LED lamp beads with small dimensions in the width direction of the luminous surface are preferably selected.
  • the parabolic stretching surface is formed by a parabola extending straight along the length direction of the long strip LED lamp beads.
  • the luminous surface of the LED lamp bead is rotated 15°-30° around the long axis of the LED lamp bead and then turned toward the parabolic stretching surface, so that the main part of the light emitted by the luminous surface of the LED lamp bead is irradiated onto the main reflective surface, and the light efficiency is high.
  • FIG1 is a schematic diagram of the structure of a vehicle light optical system in a first embodiment of the present invention
  • FIG2 is a schematic diagram of the structure of the vehicle light optical system in the first embodiment of the present invention (after hiding the lamp bead mounting plate);
  • FIG3 is a cross-sectional view of a vehicle light optical system in Embodiment 1 of the present invention.
  • FIG4 is a schematic diagram of a simulated light distribution effect of a low beam optical system in Embodiment 1 of the present invention.
  • FIG5 is a schematic diagram of a simulated light distribution effect of a high beam optical system in Embodiment 1 of the present invention.
  • FIG6 is a schematic diagram of a simulated light distribution effect of a fog light optical system in Embodiment 1 of the present invention.
  • FIG7 is a schematic diagram of the structure of the vehicle light optical system in the second embodiment of the present invention.
  • FIG8 is a schematic diagram of the structure of the vehicle light optical system in the second embodiment of the present invention (after the lamp bead mounting plate is hidden);
  • FIG9 is a cross-sectional view of a vehicle light optical system in a second embodiment of the present invention.
  • 100-reflector 101-main reflective surface, 1011-first main reflective surface, 1011a-main parabola, 1011b-focal line, 1011c-vertex line, 1012-second main reflective surface, 1012a-auxiliary parabola, 1013a-connecting line, 102-15° additional reflective surface, 103-auxiliary reflective surface, 104-lamp bead mounting plate, 200-long strip LED lamp bead, 201-edge, 202-central axis, 300-lens, 301-inner wall surface, 302-outer wall surface;
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • Figure 1 is a schematic diagram of the structure of the headlight optical system in Example 1 of the present invention
  • Figure 2 is a schematic diagram of the structure of the headlight optical system in Example 1 of the present invention (after hiding the lamp bead mounting plate)
  • Figure 3 is a cross-sectional view of the headlight optical system in Example 1 of the present invention
  • Figure 4 is a schematic diagram of the simulated light distribution effect of the low beam optical system in Example 1 of the present invention
  • Figure 5 is a schematic diagram of the simulated light distribution effect of the high beam optical system in Example 1 of the present invention
  • Figure 6 is a schematic diagram of the simulated light distribution effect of the fog light optical system in Example 1 of the present invention.
  • This embodiment provides a low-beam optical system, including a reflector 10 and a long strip-shaped LED lamp bead 20 .
  • the reflector 10 includes at least a main reflective surface 11 and a 15° additional reflective surface 12, the main reflective surface 11 is set as a parabola stretching surface, wherein the parabola stretching surface is a parabola 111 extending straight along the length direction of the long strip LED lamp bead 20, and the parabola 111 satisfies the formula Wherein, p>2, the parabola stretching surface is formed with a focus line 112 and a vertex line 113 , and a virtual surface is formed between the focus line 112 and the vertex line 113 .
  • a parabola is a surface formed by a parabola rotating around its axis and has only one focus; while a parabola stretch surface is a surface formed by stretching a parabola along a perpendicular line to the axis of the parabola.
  • the focus of the parabola forms a focal line along the stretching direction, that is, the parabola stretch surface has a focal line, and the vertex of the parabola forms a vertex line along the stretching direction, that is, the parabola stretch surface has a vertex line.
  • the light-emitting surface of the elongated LED lamp bead 20 faces the main reflective surface 11, and an edge 21 of the light-emitting surface of the elongated LED lamp bead 20 coincides with the above-mentioned focal line 112, and the central axis 22 of the light-emitting surface of the elongated LED lamp bead 20 forms an angle of 60°-75° with the virtual plane (the virtual plane formed between the focal line 112 and the vertex line 113).
  • the 15° additional reflecting surface 12 is disposed on the inner surface of the main reflecting surface 11 , and the inner surface of the 15° additional reflecting surface 12 intersects with the inner surface of the main reflecting surface 11 to form an angle of 15°.
  • the novel low-beam optical system comprises a reflector 10 and a long strip LED lamp bead 20.
  • the reflector 10 comprises a main reflective surface 11 and a 15° additional reflective surface 12.
  • the main reflective surface 11 is set as a parabolic stretching surface.
  • the parabolic stretching surface has a unique reflection law, which is very beneficial to the design of the vehicle lamp.
  • the characteristics are: the parabolic stretching surface is formed by a parabola 111 extending straight along the length direction of the long strip LED lamp bead 20.
  • a parabola 111 has a focus, and the parabolic stretching surface can form a focal line 112.
  • An edge 21 of the light-emitting surface of the long strip LED lamp bead 20 coincides with the focal line 112, and the light-emitting surface of the long strip LED lamp bead 20 faces the parabolic stretching surface. When the light is reflected, a clear light-dark cutoff line can be formed.
  • the main reflective surface 11 is set as a parabolic stretching surface
  • the 15° additional reflective surface 12 is set on the inner surface of the main reflective surface 11, and the inner surface of the 15° additional reflective surface 12 intersects with the inner surface of the main reflective surface 11 to form a 15° angle.
  • Such a structural setting enables the main reflective surface 11 of the reflector 10 to form a horizontal line in the light-dark cut-off line, and the 15° additional reflective surface 12 to form a 15-degree line in the light-dark cut-off line.
  • the low-beam headlight light-dark cut-off line can be formed without using a sunshade.
  • the design is ingenious and the structure is miniaturized, which greatly reduces the difficulty of existing headlight design.
  • the LED lamp bead adopts a straight-line shaped light source, which can be composed of multiple LED lamps connected in series and is in the shape of a long strip. LED lamp beads with small dimensions in the width direction of the luminous surface are preferably selected.
  • the parabolic stretching surface is formed by a parabola 111 extending straight along the length direction of the long strip LED lamp bead 20.
  • the luminous surface of the long strip LED lamp bead 20 is rotated 15°-30° around its long axis (axis line in the length direction) and then turned toward the parabolic stretching surface, so that the main part of the light emitted from the luminous surface of the long strip LED lamp bead 20 is irradiated on the main reflecting surface 11, so that the lighting efficiency is maximized.
  • the reflector 10 also includes two auxiliary reflective surfaces 13, which are located on both sides of the length direction of the long strip LED lamp beads 20.
  • the auxiliary reflective surfaces 13 mainly play a supplementary and regulating role in light, and the two auxiliary reflective surfaces 13 are respectively connected to the two side ends of the main reflective surface 11 by arc transition to avoid abrupt corners at the connection, so that the structural setting of the entire reflector 10 is coordinated and beautiful.
  • the auxiliary reflective surface 13 is set as a parabolic stretching surface, and on another coordinate axis, its parabola also satisfies the formula Among them, p>2, then the auxiliary reflecting surface 13 also forms a focal line (not shown in the figure), and the two auxiliary reflecting surfaces 13 are respectively connected to the two side ends of the main reflecting surface 11 by arc transition, avoiding abrupt corners at the connection, and further making the structural setting of the entire reflector 10 coordinated, beautiful and miniaturized; in addition, the auxiliary reflecting surface 13 is not limited to being set as a parabolic stretching surface.
  • the focal line 111 formed by the main reflecting surface 11 and the focal line formed by the auxiliary reflecting surface 13 are perpendicularly crossed, which not only makes the structure of the reflector 10 coordinated, but also makes the supplementary adjustment effect of light better.
  • the main reflective surface 11 is generally set as a single-sided parabolic stretching surface, which is conducive to the miniaturization of the structure.
  • the low beam light will be provided with a lamp bead mounting plate 14, and the lamp bead mounting plate 14 is generally set as a plane for mounting long strip LED lamp beads 20.
  • the lamp bead mounting plate 14 is directly opposite to the main reflective surface 11, and the lamp bead mounting plate 14 is transitionally connected to the two side ends of the two auxiliary reflective surfaces 13, and the lamp bead mounting plate 14 is transitionally connected to the upper end of the main reflective surface 11.
  • the low light optical system also includes a lens 30, which is arranged at an opening formed by the transition connection between the lamp bead mounting plate 14 and the two auxiliary reflective surfaces 13 and the main reflective surface 11, and the lens 30 is used to further supplement the adjustment of the light.
  • the inner wall surface 31 of the lens 30 is a plane, but the inner wall surface 31 is not limited to a plane, and the outer wall surface 32 is a concave-convex light distribution pattern surface or a plane.
  • the light distribution pattern of the outer wall surface 32 adopts a pattern surface with refraction and diffusion functions to meet the standard requirements of vehicle lamps.
  • the 15° additional reflective surface 12 is set as a parabolic stretching surface, and on another coordinate axis, its parabola also satisfies the formula Wherein, p>2; the inner surface of the 15° additional reflective surface 12 intersects with the inner surface of the main reflective surface 11 to form an angle of 15°.
  • the 15° additional reflective surface 12 is not limited to being set as a parabolic stretching surface.
  • a variation of the present embodiment is to provide a high beam optical system or a car signal light optical system, the difference between the high beam optical system and the above-mentioned low beam optical system is that the 15° additional reflective surface 12 is cancelled, so that the main reflective surface 11 of the reflector 10 forms a horizontal line in the light-dark cut-off line, specifically refer to the schematic diagram of the simulated light distribution effect of the low beam optical system in Figure 5, and the light-emitting surface of the long LED lamp bead 20 surrounds the focal line 111 formed by the main reflective surface 11, that is, the focal line 111 is closer to the inside than the edge 21 of the light-emitting surface of the long LED lamp bead 20.
  • a fog light optical system is further provided, in which the 15° additional reflective surface 12 is also cancelled, so that the main reflective surface 11 of the reflector 10 forms a horizontal line in the light-dark cut-off line, specifically refer to the schematic diagram of the simulated light distribution effect of the low beam optical system in FIG6 , and the light-emitting surface of the long LED lamp bead 20 surrounds the focal line 111 formed by the main reflective surface 11, that is, the focal line 111 is closer to the inside than the edge 21 of the light-emitting surface of the long LED lamp bead 20.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • FIG. 7 is a schematic diagram of the structure of the headlight optical system in the second embodiment of the present invention
  • FIG. 8 is a schematic diagram of the structure of the headlight optical system in the second embodiment of the present invention (after hiding the lamp bead mounting plate)
  • FIG. 9 is a cross-sectional view of the headlight optical system in the second embodiment of the present invention.
  • the main reflecting surface 101 of the reflector 100 is composed of a plurality of main reflecting surface sections, each of which is easy to demold, thereby facilitating the production of the reflector 100.
  • the main reflecting surface 101 includes a first main reflecting surface 1011 and a second main reflecting surface 1012.
  • the first main reflecting surface 1011 and the second main reflecting surface 1012 are set as a combined parabola stretching surface, which is formed by the main parabola 1011a and the auxiliary parabola 1012a connected by the connecting line 1013a extending along the length direction of the long strip LED lamp bead 200, forming a focal line 1011b and a vertex line 1011c, and the main parabola 1011a satisfies the formula
  • the auxiliary parabola 1012a satisfies the formula Wherein, p>2; if the main reflecting surface 101 further includes a third main reflecting surface or more, the value of b can be changed.

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

Abstract

L'invention concerne un système optique de lampe pour véhicule. Un réflecteur (10) comprend au moins une surface réfléchissante principale (11) et une surface réfléchissante supplémentaire à 15° (12). La surface réfléchissante principale (11) est disposée en tant que surface d'étirement de parabole, la surface d'étirement de parabole est formée par l'extension d'une parabole (111), qui a une formule y2 ＝ 2 px, le long du sens de la longueur d'un cordon de lampe à LED (20) en forme de bande longue, une ligne focale (112) et une ligne de sommet (113) sont formées sur la surface d'étirement de parabole, et une surface virtuelle est formée entre la ligne focale (112) et la ligne de sommet (113). Une surface d'émission de lumière du cordon de lampe à LED (20) en forme de bande longue fait face à la surface réfléchissante principale (11), un bord (21) de la surface d'émission de lumière du cordon de lampe à LED (20) en forme de bande longue coïncide avec la ligne focale (112), et un angle inclus de 60° à 75° est formé entre l'axe central (22) de la surface d'émission de lumière du cordon de lampe à LED (20) en forme de bande longue et la surface virtuelle. La surface réfléchissante supplémentaire à 15° (12) est disposée sur la surface interne de la surface réfléchissante principale (11), et un angle inclus de 15° est formé entre la surface interne de la surface réfléchissante supplémentaire à 15° (12) et la surface interne de la surface réfléchissante principale (11). Le système optique de lampe pour véhicule décrit a une conception structurale ingénieuse et a une structure miniaturisée, la difficulté de conception de la lampe pour véhicule existante est considérablement réduite, et la fabrication et le traitement sont simples. De plus, l'effet d'éclairage est élevé, et le système optique de lampe pour véhicule est particulièrement avantageux dans le développement de types de véhicules modernes.
PCT/CN2022/123124 2022-09-30 2022-09-30 Système optique de lampe pour véhicule WO2024065628A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202280003583.6A CN116097033A (zh) 2022-09-30 2022-09-30 一种车灯光学系统
PCT/CN2022/123124 WO2024065628A1 (fr) 2022-09-30 2022-09-30 Système optique de lampe pour véhicule

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2022/123124 WO2024065628A1 (fr) 2022-09-30 2022-09-30 Système optique de lampe pour véhicule

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CN106287403A (zh) * 2015-06-05 2017-01-04 上海汽车集团股份有限公司 具有反射镜的灯
CN208606109U (zh) * 2017-08-10 2019-03-15 株式会社小糸制作所 车辆用灯具
CN209213722U (zh) * 2018-12-07 2019-08-06 法雷奥照明湖北技术中心有限公司 照明模块、用于机动车辆的前照灯和机动车辆

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