WO2021056947A1 - Ensemble photoconducteur, module de lampe de véhicule et véhicule - Google Patents

Ensemble photoconducteur, module de lampe de véhicule et véhicule Download PDF

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Publication number
WO2021056947A1
WO2021056947A1 PCT/CN2020/074763 CN2020074763W WO2021056947A1 WO 2021056947 A1 WO2021056947 A1 WO 2021056947A1 CN 2020074763 W CN2020074763 W CN 2020074763W WO 2021056947 A1 WO2021056947 A1 WO 2021056947A1
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WO
WIPO (PCT)
Prior art keywords
light
conductor unit
conductor
transparent
unit
Prior art date
Application number
PCT/CN2020/074763
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English (en)
Chinese (zh)
Inventor
张洁
Original Assignee
华域视觉科技(上海)有限公司
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Publication date
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Publication of WO2021056947A1 publication Critical patent/WO2021056947A1/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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/24—Light guides
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/235—Light guides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/30—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors
    • 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 an automobile lamp, in particular to a light conductor assembly.
  • the present invention also relates to a vehicle lamp module and a vehicle.
  • the existing car light conductors are generally coated (such as aluminum plating) to achieve a reflective surface with a certain reflectivity, which is used to change the irradiation direction and energy distribution of the light emitted by the light source to form the illumination light shape required by the car light.
  • the reflectivity formed by coating is limited, and the reflectivity is generally around 85%.
  • the prior art is difficult to effectively ensure that the light conductor assembly has high reflectivity and high stability.
  • the first problem to be solved by the present invention is to provide a light conductor assembly which has high reflectivity and high stability.
  • the problem to be solved by the present invention is to provide a vehicle lamp module, the light conductor component in the vehicle lamp module has a high reflectivity and high stability.
  • the problem to be solved by the present invention is to provide a vehicle whose lamp module has high stability and reliability.
  • one aspect of the present invention provides a light conductor assembly, which includes at least two transparent light conductor units, the transparent light conductor unit includes an incident surface of the light conductor unit, a reflection surface of the light conductor unit, and a light exit surface of the light conductor unit,
  • the light-conductor unit incident surface of one transparent light-conductor unit of the two adjacent transparent light-conductor units abuts against the light-conductor unit reflective surface of the other transparent light-conductor unit, or a gap is left, Or stick to each other, and the light-emitting surface of the light-conductor unit of each transparent light-conductor unit jointly forms the light-emitting surface of the light-conductor assembly.
  • the incident surface of the light conductor unit and the reflection surface of the light conductor unit that are close to each other are flat or curved.
  • the light-emitting surface of the light conductor unit is a flat surface, an outer convex curved surface or an inner concave curved surface.
  • a coating is provided on the reflective surface of the light conductor unit of the transparent light conductor unit along the most end of the light traveling path on the light conductor assembly.
  • the light-emitting surface of the light conductor assembly is a flat surface or a continuous smooth curved surface.
  • the longitudinal section of the light-emitting surface of the light-conductor unit on the longitudinal section of the transparent light-conductor unit has an angle between the longitudinal section of the reflective surface of the light-conductor unit.
  • the longitudinal section of the light-emitting surface of the light-conductor unit on the longitudinal section of the transparent light-conductor unit and the longitudinal section of the reflective surface of the light-conductor unit are between Angle.
  • the longitudinal section tangent of the light-emitting surface of the light conductor unit is different from the longitudinal section tangent of the reflective surface of the light conductor unit. There is an angle between.
  • the angle range of the included angle is 10-80 degrees.
  • a vehicle lamp module in which a light travel path and a light transmission path are formed, and a light source and a light source according to any one of the above technical solutions are sequentially included along the light travel path.
  • the incident surface of the optical conductor unit and the reflective surface of the optical conductor unit of each transparent optical conductor unit are attached to each other in sequence along the light traveling path, or there is a gap, or they are glued to each other.
  • the light conductor assembly is formed.
  • the light source is an LED light source and/or a laser light source.
  • the present invention also provides a vehicle, which includes the vehicle light module according to any one of the above technical solutions.
  • the light conductor assembly of the present invention includes at least two transparent light conductor units, the transparent light conductor unit includes the light conductor unit incident surface, the light conductor unit reflective surface and the light conductor unit light-emitting surface, two adjacent The light-conductor unit incident surface of one transparent light-conductor unit in the transparent light-conductor unit abuts against the light-conductor unit reflective surface of the other transparent light-conductor unit, or there is a gap, or they are glued to each other.
  • the light-emitting surfaces of the light-conductor units of the transparent light-conductor unit jointly form a light-emitting surface of the light-conductor assembly.
  • the light conductor assembly of the present invention is provided with at least two transparent light conductor units.
  • the reflecting surface of the light conductor unit of the transparent light conductor unit can reflect a part of the light and is emitted from the light-emitting surface of the light conductor unit, and the other part of the light enters the next transparent light conductor unit.
  • the light conductor unit is reflected by the light conductor unit reflective surface of the next transparent light conductor unit, thereby forming a light with relatively uniform light.
  • the light emitted by the light conductor assembly of the present invention is relatively uniform, and the reflection efficiency is relatively high.
  • Fig. 1 is a schematic structural diagram of a first specific embodiment of the light conductor assembly of the present invention
  • FIG. 2 is a schematic structural diagram of a second specific embodiment of the light conductor assembly of the present invention.
  • Fig. 3 is a light diagram of the first specific embodiment of the vehicle lamp module of the present invention.
  • Fig. 5 is a light diagram of the second specific embodiment of the vehicle lamp module of the present invention.
  • Fig. 6 is another light diagram of the second specific embodiment of the vehicle lamp module of the present invention.
  • FIG. 7 is a light diagram of the third specific embodiment of the vehicle lamp module of the present invention.
  • Fig. 8 is a light ray diagram of the fourth embodiment of the vehicle lamp module of the present invention.
  • Fig. 9 is a light ray diagram of the fifth embodiment of the vehicle lamp module of the present invention.
  • connection should be understood in a broad sense.
  • it can be a fixed connection, a detachable connection, or Integral connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be a communication between two elements or an interaction relationship between two elements.
  • it can be a fixed connection, a detachable connection, or Integral connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be a communication between two elements or an interaction relationship between two elements.
  • the present invention provides a light conductor assembly comprising at least two transparent light conductor units 1.
  • the transparent light conductor unit 1 includes a light conductor unit incident surface 11, a light conductor unit reflective surface 12, and a light conductor unit.
  • the light-emitting surface 13 of the conductor unit, the light-conductor unit incident surface 11 of one of the transparent light-conductor units 1 and the light-conductor unit 1 of the other of the transparent light-conductor units 1 are adjacent to each other.
  • the reflective surfaces 12 of the conductor units are attached to, or left gaps, or pasted to each other, and the light-emitting surfaces 13 of the light-conductor units of the transparent light-conductor units 1 jointly form the light-emitting surface of the light-conductor assembly.
  • the light conductor unit incident surface 11 and the light conductor unit reflective surface 12 that are close to each other are flat or curved.
  • the photoconductor assembly of the present invention includes a plurality of transparent photoconductor units 1, and one transparent photoconductor unit 1 of two adjacent transparent photoconductor units 1
  • the reflective surface 12 of the light conductor unit and the light conductor unit incident surface 11 of the other transparent light conductor unit 1 are closely abutted together, so that part of the light incident on the first transparent light conductor unit 1 can be taken by the light conductor.
  • the unit reflective surface 12 reflects and is emitted from the light-emitting surface 13 of the light-conductor unit; another part of the light passes through the reflective surface 12 of the light-conductor unit and the incident surface 11 of the light-conductor unit that are close together, and the light enters the second transparent light-conductor unit 1 by refraction.
  • the light will repeat the propagation path of the first transparent light conductor unit 1. In this way, multiple reflections can be formed by setting the number of transparent light conductor units 1 to form the required light shape, and multiple light conductor units emit light.
  • the surfaces 13 are joined together to form the light-emitting surface of the light conductor assembly, and the joints will not affect the light. Therefore, the light of the light conductor assembly of the present invention is relatively uniform.
  • the reflective surface 12 of the light conductor unit and the incident surface 11 of the light conductor unit of the present invention are both planes.
  • the plane is relatively common, and it will be relatively simple in the production process. When the light emission angle is not high, the plane is completely It can meet the needs of light reflection.
  • the reflective surface 12 of the light conductor unit of one transparent light conductor unit 1 and the other transparent light conductor unit 1 of the two adjacent transparent light conductor units 1 of the present invention The incident surface 11 of the light conductor unit of the unit 1 is all curved.
  • a part of the light that enters the first transparent light conductor unit 1 is reflected by the reflection surface 12 of the light conductor unit and is emitted from the light-emitting surface 13 of the light conductor unit; the other part of the light passes through The reflecting surface 12 of the light conductor unit and the incident surface 11 of the light conductor unit that are close together, the light is refracted and enters the second transparent light conductor unit 1, and the light will repeat the propagation path of the first transparent light conductor unit 1, so
  • the curved surface structure does not affect the propagation of light in the transparent light conductor unit 1, but the exit angle of the light will have a certain change. This structure can meet the needs of more light shapes.
  • the light-conductor unit reflective surface 12 of the one transparent light-conductor unit 1 and the light-conductor unit incident surface 11 of the other transparent light-conductor unit 1 may be in close contact with each other, or Leave a certain gap slightly to meet the needs of light refraction.
  • the light-conductor unit reflective surface 12 of one transparent light-conductor unit 1 and the light-conductor unit incident surface 11 of the other transparent light-conductor unit 1 can be glued together with a transparent adhesive, or can be formed in the production process.
  • the light-emitting surface 13 of the light conductor unit is a flat surface, an outer convex curved surface or an inner concave curved surface.
  • the light-emitting surface 13 of the light conductor unit may be a flat surface, a convex curved surface, or a concave curved surface.
  • the form of these surfaces depends on the light shape requirements, but the upper and lower sides of these surfaces The joints of the edges are required to be relatively consistent, so that the propagation path of the light at the joints will not be changed, so that the light shape will not change, and the light propagation will be more stable.
  • a coating is provided on the reflective surface 12 of the light conductor unit 1 of the transparent light conductor unit 1 along the most end of the light traveling path 3 on the light conductor assembly.
  • the light conductor unit incident surface 11 of the first transparent light conductor unit 1 is the incident surface of the light conductor assembly of the present invention, and the light conductor unit reflective surface 12 of the last transparent light conductor unit 1 It is the reflective surface of the light conductor assembly of the present invention, and the edges of the light-emitting surface 13 of the light conductor unit of each transparent light conductor unit 1 are joined together to form the light-emitting surface of the light conductor assembly of the present invention.
  • a coating film can be provided on the reflecting surface 12 of the last light conductor unit.
  • aluminized film is a more commonly used choice, because the reflectance of aluminized film is generally 85%.
  • the light-emitting surface of the light conductor assembly is a flat surface or a continuous smooth curved surface.
  • the light-emitting surface of the light conductor assembly of the present invention is formed by joining the edges of the light-emitting surface 13 of each light-conductor unit. If the light-emitting surface 13 of each light-conductor unit is a vertical plane, each After the edges of the light-emitting surface 13 of the light conductor unit are joined, a plane is formed. If the light-emitting surface 13 of each light-conductor unit is a curved structure, the edges of the light-emitting surface 13 of each light-conductor unit can form a curved light-emitting surface after being joined. The shape of the light-emitting surface needs to be selected, but the edges of the light-emitting surfaces 13 of the light conductor units need to be matched with each other, so that the combined light-emitting surface will not affect the emission of light.
  • the longitudinal section of the light-emitting surface 13 of the light-conductor unit on the longitudinal section of the transparent light-conductor unit 1 and the longitudinal section of the reflective surface 12 of the light-conductor unit have The included angle ⁇ .
  • the angle range of the included angle ⁇ is 10-80 degrees.
  • the longitudinal section means that after the optical conductor assembly of the present invention is normally installed, a virtual plane parallel to the light emitting direction and perpendicular to the horizontal plane virtually divides the optical conductor assembly of the present invention.
  • the longitudinal section line refers to the straight line or curve formed by the intersection of the longitudinal section and the intersecting plane.
  • the reflecting surface 12 of the light conductor unit is flat, and the included angle ⁇ is the edge of the light-emitting surface 13 of the light conductor unit and the reflecting surface 12 of the light conductor unit on the longitudinal section of the transparent light conductor unit 1.
  • the angle between the edge and the edge tangent of the light conductor unit reflective surface 12 is between the point of the desired measurement position on the curve on the longitudinal section and the tangent formed by the curve and the edge of the light conductor unit reflective surface 12 on the longitudinal section. ⁇ The included angle.
  • the present invention also provides a vehicle lamp module, in which a light travel path 3 and a light travel path 4 are formed, and along the light travel path 3 sequentially includes a light source 2 and any of the above technical solutions
  • the light conductor unit incident surface 11 and the light conductor unit reflective surface 12 of each transparent light conductor unit 1 abut in sequence along the light travel path 3, or leave a gap, or Pasting each other is suitable for forming the light conductor assembly.
  • the light source 2 is arranged below the light conductor assembly, and the light travel path 3 is from bottom to top. Therefore, the transparent light conductor units 1 in the light conductor assembly are attached to each other from bottom to top. Therefore, the light propagation path 4 and the light travel path 3 after passing through the light conductor assembly form a certain angle.
  • the light emitted by the light source 2 enters the first transparent light conductor unit 1 through the incident surface 11 of the light conductor unit, and a part of the light is absorbed by the light of the first transparent light conductor unit 1.
  • the reflective surface 12 of the conductor unit is reflected and emitted from the light-emitting surface 13 of the light-conductor unit, and another part of the light is refracted in the following transparent light-conductor unit 1, and so on, formed when it is irradiated to the light-conductor unit reflective surface 12 of the last transparent light-conductor unit 1 After the last reflection, the rest of the light is refracted into the air. Therefore, it is also possible to provide a coating on the reflecting surface 12 of the light conductor unit of the last bright reflecting unit 1, which can increase the reflectivity, thereby improving the reflection efficiency and increasing the intensity of the reflected light.
  • the refractive index of the material of each transparent light conductor unit 1 in the light conductor assembly may be the same or different, which is mainly determined by the light shape forming requirement.
  • the arrangement of the light source 2 is not limited to the positions shown in Figs. 3 to 6, and can also be arranged on the side of the light conductor assembly as shown in Figs. 7 and 8, which can be the front side or the back side.
  • the position of the light source 2 can be more flexible, and the space of the car light module can be designed to a greater extent, so as to make the space utilization of the car light module higher, and this position change will not affect The spread and formation of light.
  • a condensing element 5 can be added between the light source 2 and the light conductor assembly.
  • the condensing element 5 can converge the light emitted from the light source 2 and then enter the light conductor assembly, which can improve the light utilization efficiency.
  • the light source 2 is an LED light source and/or a laser light source.
  • LED light sources are more and more widely used in the field of car lights.
  • LED light source has high luminous efficiency, low power consumption, long service life, strong safety and reliability, and environmental protection and pollution-free. Therefore, it is a new light source with development prospects.
  • a laser light source an electric light source that uses excited particles to emit light under the action of stimulated radiation, is a coherent light source.
  • the main advantages of laser light source are high brightness, good color, low energy consumption, long life and small size. Therefore, laser light source is also a kind of light source with good development prospects.
  • the present invention also provides a vehicle having the vehicle light module according to any one of the above technical solutions.
  • the light conductor assembly of the present invention includes at least two transparent light conductor units 1, the transparent light conductor unit 1 includes a light conductor unit incident surface 11, a light conductor unit reflective surface 12, and a light conductor unit light exit surface 13 ,
  • the light conductor unit incident surface 11 of one transparent light conductor unit 1 of the two adjacent transparent light conductor units 1 abuts against the light conductor unit reflective surface 12 of the other transparent light conductor unit 1, Or leave a gap or stick to each other, the edges of the light-emitting surface 13 of the light-conductor unit of each transparent light-conductor unit 1 are joined to jointly form the light-emitting surface of the light-conductor assembly.
  • the reflective surface 12 of the light conductor unit of the present invention can reflect a part of the light and is emitted from the light-emitting surface of the light conductor unit, and another part of the light enters the next transparent light conductor unit and is reflected by the light conductor unit reflective surface 13 of the next transparent light conductor unit Out, thereby forming a more uniform light.
  • the light emitted by the light conductor assembly of the present invention is relatively uniform, and the reflection efficiency is relatively high.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

Est divulgué un ensemble photoconducteur pour une lampe de véhicule, l'ensemble photoconducteur comprenant au moins deux unités de photoconducteur transparentes (1), chacune des unités de photoconducteur transparentes (1) comprenant une face d'incidence d'unité de photoconducteur (11), une face réfléchissante d'unité de photoconducteur (12), et une face émergente d'unité de photoconducteur (13) ; la face d'incidence d'unité de photoconducteur transparente (11) de l'une des deux unités de photoconducteur transparentes adjacentes (1) et la face réfléchissante de l'unité de photoconducteur (12) de l'autre unité de photoconducteur transparente (1) viennent en butée l'une contre l'autre, ou ont un espace réservé entre elles, ou sont liées l'une à l'autre ; et les faces émergentes (13) des unités de photoconducteur transparentes (1) forment ensemble une face émergente d'unité de photoconducteur (13). L'ensemble photoconducteur réfléchit une partie de la lumière du fait du placement des faces émergentes (13) des unités de photoconducteur transparentes (1) de manière à former une lumière uniforme, et permet d'obtenir une réflectivité élevée par réflexion des multiples unités de photoconducteur transparentes (1). L'invention concerne en outre un module de phare comprenant l'ensemble photoconducteur et un véhicule.
PCT/CN2020/074763 2019-09-25 2020-02-11 Ensemble photoconducteur, module de lampe de véhicule et véhicule WO2021056947A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910911005.2 2019-09-25
CN201910911005.2A CN110594692A (zh) 2019-09-25 2019-09-25 一种光导体组件、车灯模组和车辆

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WO2021056947A1 true WO2021056947A1 (fr) 2021-04-01

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110594692A (zh) * 2019-09-25 2019-12-20 华域视觉科技(上海)有限公司 一种光导体组件、车灯模组和车辆
CN112628684A (zh) * 2020-09-29 2021-04-09 华域视觉科技(上海)有限公司 车灯光学元件、车灯模组及车灯

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US6425684B1 (en) * 1999-07-06 2002-07-30 Daimlerchrysler, Ag Vehicle lighting unit with an optical conductor system
WO2014198365A1 (fr) * 2013-06-12 2014-12-18 Audi Ag Dispositif d'éclairage destiné à un véhicule automobile et procédé permettant de faire fonctionner ledit dispositif
CN206514204U (zh) * 2017-01-12 2017-09-22 上海小糸车灯有限公司 一种具有遮光作用的透明光导体及其投射式照明系统
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CN110067986A (zh) * 2019-06-03 2019-07-30 华域视觉科技(上海)有限公司 近光反射镜、远近光一体的投射式前照灯单元及车辆
CN110594692A (zh) * 2019-09-25 2019-12-20 华域视觉科技(上海)有限公司 一种光导体组件、车灯模组和车辆

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FR2715210B1 (fr) * 1994-01-20 1996-04-05 Valeo Vision Projecteur, notamment de véhicule automobile, à barreau optique.
CN210398745U (zh) * 2019-09-25 2020-04-24 华域视觉科技(上海)有限公司 一种光导体组件、车灯模组和车辆

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Publication number Priority date Publication date Assignee Title
US6425684B1 (en) * 1999-07-06 2002-07-30 Daimlerchrysler, Ag Vehicle lighting unit with an optical conductor system
WO2014198365A1 (fr) * 2013-06-12 2014-12-18 Audi Ag Dispositif d'éclairage destiné à un véhicule automobile et procédé permettant de faire fonctionner ledit dispositif
CN206514204U (zh) * 2017-01-12 2017-09-22 上海小糸车灯有限公司 一种具有遮光作用的透明光导体及其投射式照明系统
CN109282234A (zh) * 2018-10-15 2019-01-29 华域视觉科技(上海)有限公司 一种汽车近光灯用投射单元及其车灯
CN110067986A (zh) * 2019-06-03 2019-07-30 华域视觉科技(上海)有限公司 近光反射镜、远近光一体的投射式前照灯单元及车辆
CN110594692A (zh) * 2019-09-25 2019-12-20 华域视觉科技(上海)有限公司 一种光导体组件、车灯模组和车辆

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