WO2019205900A1 - 一种车辆用矩阵式照明装置 - Google Patents

一种车辆用矩阵式照明装置 Download PDF

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Publication number
WO2019205900A1
WO2019205900A1 PCT/CN2019/080973 CN2019080973W WO2019205900A1 WO 2019205900 A1 WO2019205900 A1 WO 2019205900A1 CN 2019080973 W CN2019080973 W CN 2019080973W WO 2019205900 A1 WO2019205900 A1 WO 2019205900A1
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WO
WIPO (PCT)
Prior art keywords
light
array unit
lens
light source
matrix
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Application number
PCT/CN2019/080973
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English (en)
French (fr)
Inventor
牛磊
杨珏晶
Original Assignee
华域视觉科技(上海)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.)
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Publication date
Priority claimed from CN201810376607.8A external-priority patent/CN108561846B/zh
Priority claimed from CN201820595749.9U external-priority patent/CN208107962U/zh
Application filed by 华域视觉科技(上海)有限公司 filed Critical 华域视觉科技(上海)有限公司
Priority to US16/958,707 priority Critical patent/US10962189B2/en
Priority to JP2020551964A priority patent/JP6949244B2/ja
Priority to DE112019000124.8T priority patent/DE112019000124T5/de
Publication of WO2019205900A1 publication Critical patent/WO2019205900A1/zh

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0006—Arrays
    • G02B3/0037—Arrays characterized by the distribution or form of lenses
    • G02B3/005—Arrays characterized by the distribution or form of lenses arranged along a single direction only, e.g. lenticular sheets
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/151—Light emitting diodes [LED] arranged in one or more lines
    • F21S41/153—Light emitting diodes [LED] arranged in one or more lines arranged in a matrix
    • 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
    • F21S41/285—Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24 - F21S41/2805
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
    • G02B19/0009—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having refractive surfaces only
    • G02B19/0014—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having refractive surfaces only at least one surface having optical power
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
    • G02B19/0052—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a laser diode
    • G02B19/0057—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a laser diode in the form of a laser diode array, e.g. laser diode bar
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/02—Simple or compound lenses with non-spherical faces
    • G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens
    • 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
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements

Definitions

  • the present invention relates to the field of vehicle lights, and more particularly to a matrix lighting device for a vehicle.
  • the so-called new smart car light technology is mainly a light-type variable headlight developed for the purpose of realizing the functions of AFS and ADB modules.
  • a headlight with ADB module function in conjunction with a vehicle's detection system, detects that each of the other participants on the road is in a certain range of headlight illumination, and the system passes each LED that constitutes the headlights.
  • the independent control can intelligently adjust the illumination area and illumination brightness in real time, avoiding the danger of glare to the illuminator, while the space of other road participants continues to maintain high brightness illumination.
  • the arrangement of the LEDs constituting the light source module is very far, resulting in a large structure and a heavy weight of the headlights.
  • the present invention provides a matrix illumination device for a vehicle, comprising a light source module, a projection lens, a projection exit space, and a projection image surface, which are sequentially disposed along an optical axis direction, wherein the light source module includes the optical axis direction.
  • the light source array unit has a plurality of independently controlled and arranged light sources
  • the light barrier array unit has a plurality of matrixes a light-shielding rib disposed at a periphery of each of the illuminating light sources
  • the light-receiving lens array unit having a plurality of light-receiving lenses arranged in a matrix and disposed opposite each of the illuminating light sources along the optical axis direction;
  • the light emitted by the light source in the light source array unit is sequentially propagated through the light receiving lens, the projection lens, and the projection and exit space in the optical axis direction to form a matrix light distribution on the projected image surface.
  • the projection lens includes a first lens and a second lens which are sequentially disposed in the optical axis direction, and the first lens and the second lens have different refractive indexes and dispersion coefficients.
  • the material of the first lens and the second lens is PMMA, PC, or glass.
  • the illuminating light source is a semiconductor light source, or comprises a semiconductor laser and a light converting element, or comprises a solid laser and a light converting element.
  • the light collecting lens is a Fresnel lens.
  • the light barrier rib array unit and the light receiving lens array unit are injection molded or stamped into a single piece.
  • the material of the light-receiving lens array unit is silicone, PC, PMMA, or glass.
  • the light barrier rib array unit is made of a non-transparent material.
  • the light barrier rib array unit includes a base body made of a transparent material, and a light blocking layer made of black lacquer sprayed on the surface of the base body.
  • the matrix lighting device for a vehicle according to the present invention has the following advantageous effects:
  • the controlled illuminating light sources are arranged in a matrix, and the light-shielding ribs and the light-receiving lens arranged in a matrix can obtain a better light-emitting effect, and at the same time, the volume of the light source module can be effectively reduced, so that the matrix illuminating device for the vehicle is miniaturized as a whole.
  • FIG. 1 is a schematic structural view of a matrix type lighting device for a vehicle in the present application.
  • FIG. 2 is an optical schematic diagram of a matrix type lighting device for a vehicle in the present application.
  • FIG. 3 is a schematic structural diagram of Embodiment 1 of a light source module according to the present application.
  • Figure 4 is a cross-sectional view of Figure 3.
  • FIG. 5 is a schematic view showing the connection of the light barrier array unit and the light receiving lens array unit in FIG.
  • FIG. 6 is a schematic structural diagram of Embodiment 2 of a light source module according to the present application.
  • Figure 7 is a cross-sectional view of Figure 6.
  • FIG. 8 is an optical schematic diagram of a light source module in the present application.
  • the optical axis direction 1 is defined as the front direction, and therefore, in FIG. 2, the left side of the paper surface is the front direction.
  • the present application provides a matrix illumination device for a vehicle, comprising a light source module 2 disposed in the optical axis direction 1 , a projection lens 3 , a projection exit space 4 , and a projection of the system at a certain distance.
  • Image plane 5 as shown in FIG. 3 and FIG. 4, or FIG. 6 and FIG. 7, the light source module 2 includes a light source array unit 21, a light barrier array unit 22, and a light receiving lens array which are sequentially disposed along the optical axis direction 1.
  • the light source array unit 21 has a plurality of light-emitting sources 211 that are independently arranged to be light-dark and arranged in a matrix.
  • the light-shielding array unit 22 has a plurality of rows arranged in a matrix and is disposed in each of the light-emitting sources.
  • a light-shielding rib 221 on the periphery of the 211 the light-receiving lens array unit 23 has a plurality of light-receiving lenses 231 arranged in a matrix and disposed opposite to each of the light-emitting sources 211 in the optical axis direction 1, that is, each light-emitting A light receiving lens 231 is disposed directly in front of the light source 211.
  • the light source module 2 emits light, that is, as shown in FIG. 8, the light-emitting source 211 in the light source array unit 21 emits light (generally a divergent light beam), and most of the emitted light beam is received by the light-receiving lens.
  • the light collecting lens 231 disposed in the array unit 23 opposite to the light emitting source 211 collects and refracts, and then changes the beam angle and the beam diameter to continue to propagate along the optical axis direction 1.
  • each of the light emitting sources 211 The emitted large-angle beam is blocked by the light-shielding rib 221 located at the periphery of the illuminating light source 211, so that the large-angle beam does not continue to propagate along the optical axis direction 1, and thus does not interfere with other illuminating light sources 211 emitted from the light source array unit 21. Beam.
  • the light emitted by the system through the light-emitting module propagates along the optical axis direction 1. After the refraction of the projection lens 3, the desired light distribution is realized in the projected exit space 4, and finally uniformly reflected on the projected image surface 5 at a certain distance.
  • the matrix light distribution 6 of the light-emitting module realizes array-type pixelated illumination.
  • the system realizes by controlling the illumination brightness of the plurality of independently controlling the bright and dark illumination source 211. Projecting the bright and dark modulation of multiple beams of light in the exit space 4, thereby adjusting the matrix light distribution 6 formed on the projected image plane 5, effectively avoiding the glare of dangerous formation to other participants on the road; when the detection system of the vehicle detects When there are no other participants on the road, the system maintains high brightness illumination of the vehicle with matrix lighting.
  • the matrix type lighting device for a vehicle in the present application is a matrix type adaptive headlight of a vehicle, and various forms of matrix light distribution can be formed on the projected image plane 5 by independent control of the plurality of light emitting sources 211. 6, the realization will not be dazzling to other participants on the road, with the support of this technology, can guarantee the high-quality lighting in front of us (equipped with matrix adaptive headlights), and will not participate in other roads. Persons (such as opposite, co-directional vehicles, etc.) form dangerous glare, ensuring the safety of all parties on the road at night.
  • the plurality of independently controlled illuminating light sources 211 in the present application are arranged in a matrix, and the light-shielding ribs 221 and the light-receiving lens 231 arranged in a matrix can obtain a better light-emitting effect, and can also effectively reduce the light source module 2
  • the volume of the vehicle makes the overall use of the matrix lighting device miniaturized.
  • the projection lens 3 includes a first lens 31 and a second lens 32 which are sequentially disposed in the optical axis direction 1, and the first lens 31 and the second lens 32 have different refractive indexes and dispersion coefficients.
  • the material of the first lens 31 and the second lens 32 is a plastic such as PMMA or PC, and may be glass.
  • the light beam emitted from the light source module 2 is a wide-spectrum light beam composed of different wavelength spectra. When the first lens 31 and the second lens 32 having different refractive indexes and dispersion coefficients are used together, the wide-spectrum light beam emitted from the light source module 2 can be prevented.
  • an unclear projection effect of color separation is formed, which serves to achromatic.
  • the first lens 31 and the second lens 32 may be two-material injection molding, may be glued, or may be double separation lenses.
  • each of the light source array units 21 independently controls the light and dark light source 211 and the light barrier array unit 22 that are independently located outside the light source 211.
  • Each of the ribs 221 and the light-receiving lens array unit 23 is directly corresponding to the light-receiving lens 231 directly in front of the light-emitting source 211; as shown in FIG. 5, each of the light-shielding bars 221 is preferably a frame-shaped structure, so Each of the light blocking bars 221 has four rib edges, and the adjacent two light blocking bars 221 share one rib edge.
  • the illuminating light source 211 is of various types: it may be a semiconductor light source, or may be a light source including a semiconductor laser and a light converting element, and may be a light source including a solid laser and a light converting element, and the light converting element may be made of a light converting material.
  • the light barrier rib array unit 22 formed by the plurality of light retaining ribs 221 in a matrix arrangement is a unitary member; the light barrier rib array unit 22 may be made of a non-transparent material, or the light barrier rib array unit 22 includes The base body made of a transparent material and the light-blocking layer made of black paint sprayed on the surface of the base, that is, the light-blocking rib array unit 22 is made of a transparent material and then sprayed with black paint.
  • the light receiving lens 231 can be fixed by using an additional bracket, or can be directly fixed to the light barrier array unit 22; when the light receiving lens 231 is fixed to the light barrier array unit 22, the light receiving lens 231 can be combined with the light blocking beam
  • the array unit 22 is fabricated in a single piece.
  • the light barrier array unit 22 and the light receiving lens array unit 23 are injection molded or stamped into a single piece, further reducing the matrix lighting device for the vehicle. volume.
  • the light barrier array unit 22 and the light receiving lens array unit 23 can also be two separate parts.
  • the light source module 2 has two preferred embodiments.
  • the selected light-receiving lens 231 is a Fresnel lens, which can further reduce the space of the light source module 2 and reduce the space.
  • the weight and cost of the light source module 2; Embodiment 2, as shown in FIGS. 6 and 7, the selected light-receiving lens 231 is a conventional lens.
  • the material of the light-receiving lens array unit 23 may be a transparent material such as silicone, PC, PMMA, glass, etc.; the surface of the light-receiving lens array unit 23 may be a smooth mirror or a rough surface. Structure surface.
  • the matrix lighting device for a vehicle has the following beneficial effects:
  • the matrix light distribution 6 can be obtained on the projected image surface 5 to realize array type pixelated illumination.
  • the ability to independently control the brightness and darkness of the matrix-distributed illuminating light source 211 can achieve bright and dark modulation of multiple beams of light in the projected exit space 4, thereby completing multiple target shading processes.
  • the plurality of light-emitting sources 211, the plurality of light-blocking ribs 221, and the plurality of light-receiving lenses 231 are arranged in a matrix, which can reduce the volume of the light source module 2 and improve the energy utilization rate of the light source.
  • the structure is simple, the optical shaping structure such as the light guiding rod is omitted, the optical system volume of the array type pixelized lighting scheme is reduced, and the processing cost and the assembly difficulty are reduced.
  • the stray light shielding structure that is, the light blocking rib array unit 22 is disposed, so that the light emitted by the plurality of illuminating light sources 211 in the light source array unit 21 does not interfere with each other, and the light distribution is uniform.
  • the achromatic structure composed of the first lens 31 and the second lens 32 having different refractive indexes and dispersion coefficients is provided, and the phenomenon that the projection surface is uneven in color and unclear can be effectively avoided.
  • the present invention effectively overcomes various shortcomings in the prior art and has high industrial utilization value.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

一种车辆用矩阵式照明装置，包括沿光轴方向（1）依次设置的光源模块（2）、投影透镜（3）、投影出射空间（4）、以及投射像面（5）。光源模块（2）包括沿光轴方向（1）依次设置的光源阵列单元（21）、挡光筋阵列单元（22）和收光透镜阵列单元（23）。光源阵列单元（22）具有多个独立控制、且呈矩阵排布的发光光源（211），挡光筋阵列单元（22）具有多个呈矩阵排布、且设在每个发光光源（211）外围的挡光筋（221），收光透镜阵列单元（23）具有多个呈矩阵排布、且沿光轴方向（1）与每个发光光源（211）正对设置的收光透镜（231）。通过对光源模块（2）中多个发光光源的独立控制能够避免对道路上的其他参与者形成危险的炫目，保证道路上各方夜间行驶的安全；还能够有效减小光源模块的体积，使得车辆用矩阵式照明装置整体小型化。

Description

一种车辆用矩阵式照明装置 技术领域
本发明涉及车灯领域，特别是涉及一种车辆用矩阵式照明装置。
背景技术
车辆夜间行驶时，多数司机会开启车大灯进行照明，但是，车大灯照明会对道路上的其他参与者(比如相向行驶的车辆、同向行驶的车辆等)会形成危险的炫目，容易引发交通安全事故，进而降低道路上各方夜间驾驶的安全性。
随着车辆夜间行驶安全问题的日益突出，越来越多的汽车相关制造商在研发新型智能车灯技术。所谓新型智能车灯技术主要是以实现AFS和ADB模组功能为目的开发的光型可变车灯。举例来说，具有ADB模组功能的大灯，配合车辆的探测系统，在侦测发现道路上其他参与者处于大灯照明的某一区间内时，系统通过对构成车大灯的每颗LED的独立控制可以实时智能的调节照明区域和照明亮度，避免对被照明者形成危险的炫目，而没有其他道路参与者的空间继续保持高亮度的照明。但是，现有技术所涉及的ADB模组功能的大灯中，构成光源模块的各LED排布间距非常远，导致车大灯的结构庞大、重量较重。
发明内容
鉴于以上所述现有技术的缺点，本发明的目的在于提供一种车辆用矩阵式照明装置，在实现光型可变的同时还能实现体积小型化。
为实现上述目的，本发明提供一种车辆用矩阵式照明装置，包括沿光轴方向依次设置的光源模块、投影透镜、投影出射空间、以及投射像面，所述光源模块包括沿光轴方向依次设置的光源阵列单元、挡光筋阵列单元和收光透镜阵列单元，所述光源阵列单元具有多个独立控制、且呈矩阵排布的发光光源，所述挡光筋阵列单元具有多个呈矩阵排布、且设在每个发光光源外围的挡光筋，所述收光透镜阵列单元具有多个呈矩阵排布、且沿光轴方向与每个发光光源正对设置的收光透镜；由所述光源阵列单元中发光光源发出的光线沿光轴方向依次经收光透镜、投影透镜和投影出射空间传播后、在投射像面上形成矩阵式光分布。
进一步地，所述投影透镜包括沿光轴方向依次设置的第一透镜和第二透镜，所述第一透镜和第二透镜的折射率和色散系数都不相同。
优选地，所述第一透镜和第二透镜的材料为PMMA、PC、或玻璃。
进一步地，所述发光光源为半导体光源、或包括半导体激光器和光转换元件、或包括固 体激光器和光转换元件。
优选地，所述收光透镜为菲涅尔透镜。
进一步地，所述挡光筋阵列单元和收光透镜阵列单元注塑或压模为一体件。
优选地，所述收光透镜阵列单元的材料为有机硅、PC、PMMA、或玻璃。
优选地，所述挡光筋阵列单元由非透明材料制成。
优选地，所述挡光筋阵列单元包括由透明材料制成的基体、以及由喷射在基体表面的黑漆制成的挡光层。
如上所述，本发明涉及的车辆用矩阵式照明装置，具有以下有益效果：
本申请中，通过对光源模块中多个发光光源的独立控制能够避免对道路上的其他参与者形成危险的炫目，保证道路上各方夜间行驶的安全；特别地，本申请中的多个独立控制的发光光源为矩阵排列，结合矩阵排列的挡光筋和收光透镜，能够获得较好的出光效果，同时还能够有效减小光源模块的体积，使得车辆用矩阵式照明装置整体小型化。
附图说明
图1为本申请中车辆用矩阵式照明装置的结构示意图。
图2为本申请中车辆用矩阵式照明装置的光学原理图。
图3为本申请中光源模块实施例一的结构示意图。
图4为图3的剖视图。
图5为图3在另一视角下挡光筋阵列单元和收光透镜阵列单元的连接示意图。
图6为本申请中光源模块实施例二的结构示意图。
图7为图6的剖视图。
图8为本申请中光源模块的光学原理图。
元件标号说明
1                 光轴方向
2                 光源模块
21                光源阵列单元
211               发光光源
22                挡光筋阵列单元
221               挡光筋
23                收光透镜阵列单元
231               收光透镜
3                 投影透镜
31                第一透镜
32                第二透镜
4                 投影出射空间
5                 投射像面
6                 矩阵式光分布
具体实施方式
以下由特定的具体实施例说明本发明的实施方式，熟悉此技术的人士可由本说明书所揭露的内容轻易地了解本发明的其他优点及功效。
须知，本说明书附图所绘的结构、比例、大小等，均仅用以配合说明书所揭示的内容，以供熟悉此技术的人士了解与阅读，并非用以限定本发明可实施的限定条件，故不具技术上的实质意义，任何结构的修饰、比例关系的改变或大小的调整，在不影响本发明所能产生的功效及所能达成的目的下，均应仍落在本发明所揭示的技术内容能涵盖的范围内。同时，本说明书中所引用的如“上”、“下”、“左”、“右”、“中间”及“一”等的用语，亦仅为便于叙述明了，而非用以限定本发明可实施的范围，其相对关系的改变或调整，在无实质变更技术内容下，当亦视为本发明可实施的范畴。
为便于叙述，以下实施例中，将光轴方向1定义为前方向，因此，图2中，纸面的左侧为前方向。
如图1和图2所示，本申请提供一种车辆用矩阵式照明装置，包括沿光轴方向1依次设置的光源模块2、投影透镜3、投影出射空间4、以及系统在一定距离的投射像面5；如图3和图4、或图6和图7所示，所述光源模块2包括沿光轴方向1依次设置的光源阵列单元21、挡光筋阵列单元22和收光透镜阵列单元23，所述光源阵列单元21具有多个独立控制亮暗、且呈矩阵排布的发光光源211，所述挡光筋阵列单元22具有多个呈矩阵排布、且设在每个发光光源211外围的挡光筋221，所述收光透镜阵列单元23具有多个呈矩阵排布、且沿光轴方向1与每个发光光源211正对设置的收光透镜231，即：每个发光光源211的正前方都设有一个收光透镜231。
上述车辆用矩阵式照明装置中，光源模块2发光，即：如图8所示，光源阵列单元21中 的发光光源211发光(一般是发散的光束)，所发出的光束大部分被收光透镜阵列单元23中与该发光光源211正对设置的收光透镜231收集并折射，之后改变光束角度和光束口径沿着光轴方向1继续传播，而光源阵列单元21中，每个发光光源211所发出的大角度光束被位于该发光光源211外围的挡光筋221遮挡，故大角度光束不会沿着光轴方向1继续传播，进而不会干扰到光源阵列单元21中其他发光光源211所发出的光束。系统通过发光模块出射的光，沿着光轴方向1传播，经过投影透镜3的折射后在投影出射空间4内实现想要的光分布，最终在一定距离的投射像面5上实现均匀地体现发光模块的矩阵式光分布6，实现阵列型像素化照明。当车辆的探测系统侦测发现道路上其他参与者处于本车的车辆用矩阵式照明装置的某一像素区间内时，则系统通过控制多个独立控制亮暗的发光光源211的照明亮度来实现投影出射空间4内多束光线的亮暗调制，从而调节形成在投射像面5上的矩阵式光分布6，有效避免对道路上的其他参与者形成危险的炫目；当车辆的探测系统侦测发现道路上没有其他参与者时，则系统保持车辆用矩阵式照明装置高亮度的照明。因此，本申请中的车辆用矩阵式照明装置为一种车辆的矩阵式自适应头灯，通过对多个发光光源211的独立控制能够在投射像面5上形成多种形式的矩阵式光分布6，实现不会对道路上的其他参与者产生炫目，在该技术的支持下，既能保证我方(搭载矩阵式自适应头灯)的前方高质量照明，又不会对道路上其他参与者(比如相向、同向行驶的车辆等)形成危险的炫目，保证了道路上各方夜间行驶的安全。特别地，本申请中的多个独立控制的发光光源211为矩阵排列，结合矩阵排列的挡光筋221和收光透镜231，能够获得较好的出光效果，同时还能够有效减小光源模块2的体积，使得车辆用矩阵式照明装置整体小型化。
如图1所示，所述投影透镜3包括沿光轴方向1依次设置的第一透镜31和第二透镜32，所述第一透镜31和第二透镜32的折射率和色散系数都不相同；所述第一透镜31和第二透镜32的材料为PMMA、PC等塑料，也可以为玻璃。光源模块2发出的光束是由不同波长光谱组成的宽光谱光束，将折射率和色散系数都不相同的第一透镜31和第二透镜32配合使用后，能够防止光源模块2发出的宽光谱光束经过投影透镜3后而形成色彩分离的不清晰投射效果，起到消色差的作用。所述第一透镜31和第二透镜32可以为双材料注塑，可以为胶合，还可以为双分离透镜。
如图4或图8所示，上述光源模块2中，光源阵列单元21中每个独立控制亮暗的发光光源211、挡光筋阵列单元22中每个独立位于该发光光源211外围的挡光筋221、以及收光透镜阵列单元23中每个独立位于该发光光源211正前方的收光透镜231一一对应；如图5所示，每个挡光筋221都优选为框型结构，故每个挡光筋221都具有四条筋边，相邻的两个挡光筋 221共用一条筋边。所述发光光源211的类型多样：可以为半导体光源，也可以为包括半导体激光器和光转换元件的光源，还可以为包括固体激光器和光转换元件的光源，光转换元件可以由光转换材料制成。多个挡光筋221以矩阵排布的方式所形成的挡光筋阵列单元22为一整体件；挡光筋阵列单元22可以由非透明材料制成，或者，挡光筋阵列单元22包括由透明材料制成的基体、以及由喷射在基体表面的黑漆制成的挡光层，即挡光筋阵列单元22由透明材料制成后喷黑漆。所述收光透镜231可以使用额外的支架进行固定，也可以直接固定于挡光筋阵列单元22；当收光透镜231固定于挡光筋阵列单元22时，收光透镜231可以和挡光筋阵列单元22制作呈一体件，比如：如图3或图6所示，挡光筋阵列单元22和收光透镜阵列单元23注塑或压模为一体件，进一步减小车辆用矩阵式照明装置的体积。当然，挡光筋阵列单元22和收光透镜阵列单元23也可以为两个独立的零件。
所述光源模块2有两种较优实施例，实施例一、如图3至图5所示，其所选用的收光透镜231为菲涅尔透镜，能够进一步缩小光源模块2的空间、降低光源模块2的重量和成本；实施例二、如图6和图7所示，其所选用的收光透镜231为常规透镜。光源模块2的两个实施例中，收光透镜阵列单元23的材料可以为有机硅、PC、PMMA、玻璃等透明材料；收光透镜阵列单元23的表面可以是光滑的镜面，也可以是粗糙的结构表面。
综上所述，本申请涉及的车辆用矩阵式照明装置具有以下有益效果：
1、能够在投射像面5上获得矩阵式光分布6，实现阵列型像素化照明。
2、通过对矩阵分布的发光光源211独立控制亮暗可实现投影出射空间4内多束光线的亮暗调制，从而完成多个目标遮蔽处理的能力。
3、多个发光光源211、多个挡光筋221、以及多个收光透镜231都为矩阵排布，能够减小光源模块2的体积，并能提高光源能量利用率。
4、结构简单，省去了导光棒等光学整形结构，缩小了阵列型像素化照明方案的光学系统体积，降低了加工成本及装配难度。
5、设置了杂散光遮蔽结构，即挡光筋阵列单元22，使得光源阵列单元21中多个发光光源211发出的光相互不干扰，光分布均匀。
6、设置了由折射率和色散系数都不相同的第一透镜31和第二透镜32构成的消色散结构，能够有效避免投射面色彩不均匀、不清晰的现象。
所以，本发明有效克服了现有技术中的种种缺点而具高度产业利用价值。
上述实施例仅例示性说明本发明的原理及其功效，而非用于限制本发明。任何熟悉此技术的人士皆可在不违背本发明的精神及范畴下，对上述实施例进行修饰或改变。因此，举凡 所属技术领域中具有通常知识者在未脱离本发明所揭示的精神与技术思想下所完成的一切等效修饰或改变，仍应由本发明的权利要求所涵盖。

Claims (9)

  1. 一种车辆用矩阵式照明装置，其特征在于：包括沿光轴方向(1)依次设置的光源模块(2)、投影透镜(3)、投影出射空间(4)、以及投射像面(5)，所述光源模块(2)包括沿光轴方向(1)依次设置的光源阵列单元(21)、挡光筋阵列单元(22)和收光透镜阵列单元(23)，所述光源阵列单元(21)具有多个独立控制、且呈矩阵排布的发光光源(211)，所述挡光筋阵列单元(22)具有多个呈矩阵排布、且设在每个发光光源(211)外围的挡光筋(221)，所述收光透镜阵列单元(23)具有多个呈矩阵排布、且沿光轴方向(1)与每个发光光源(211)正对设置的收光透镜(231)；由所述光源阵列单元(21)中发光光源(211)发出的光线沿光轴方向(1)依次经收光透镜(231)、投影透镜(3)和投影出射空间(4)传播后、在投射像面(5)上形成矩阵式光分布(6)。
  2. 根据权利要求1所述的车辆用矩阵式照明装置，其特征在于：所述投影透镜(3)包括沿光轴方向(1)依次设置的第一透镜(31)和第二透镜(32)，所述第一透镜(31)和第二透镜(32)的折射率和色散系数都不相同。
  3. 根据权利要求2所述的车辆用矩阵式照明装置，其特征在于：所述第一透镜(31)和第二透镜(32)的材料为PMMA、PC、或玻璃。
  4. 根据权利要求1所述的车辆用矩阵式照明装置，其特征在于：所述发光光源(211)为半导体光源、或包括半导体激光器和光转换元件、或包括固体激光器和光转换元件。
  5. 根据权利要求1所述的车辆用矩阵式照明装置，其特征在于：所述收光透镜(231)为菲涅尔透镜。
  6. 根据权利要求1所述的车辆用矩阵式照明装置，其特征在于：所述挡光筋阵列单元(22)和收光透镜阵列单元(23)注塑或压模为一体件。
  7. 根据权利要求1或6所述的车辆用矩阵式照明装置，其特征在于：所述收光透镜阵列单元(23)的材料为有机硅、PC、PMMA、或玻璃。
  8. 根据权利要求1或6所述的车辆用矩阵式照明装置，其特征在于：所述挡光筋阵列单元(22)由非透明材料制成。
  9. 根据权利要求1或6所述的车辆用矩阵式照明装置，其特征在于：所述挡光筋阵列单元(22)包括由透明材料制成的基体、以及由喷射在基体表面的黑漆制成的挡光层。
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