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CN109519873A - Optical system suitable for more moulding signal lamps - Google Patents

Optical system suitable for more moulding signal lamps Download PDF

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Publication number
CN109519873A
CN109519873A CN201811623892.5A CN201811623892A CN109519873A CN 109519873 A CN109519873 A CN 109519873A CN 201811623892 A CN201811623892 A CN 201811623892A CN 109519873 A CN109519873 A CN 109519873A
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CN
China
Prior art keywords
thick
walled part
walled
optical system
light
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201811623892.5A
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Chinese (zh)
Inventor
易武明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Magneti Marelli Automotive Components Wuhu Co Ltd
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Magneti Marelli Automotive Components Wuhu Co Ltd
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Filing date
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Application filed by Magneti Marelli Automotive Components Wuhu Co Ltd filed Critical Magneti Marelli Automotive Components Wuhu Co Ltd
Priority to CN201811623892.5A priority Critical patent/CN109519873A/en
Publication of CN109519873A publication Critical patent/CN109519873A/en
Pending legal-status Critical Current

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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
    • 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
    • F21S43/236—Light guides characterised by the shape of the light guide
    • F21S43/241—Light guides characterised by the shape of the light guide of complex shape
    • 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
    • F21S43/31—Optical layout thereof
    • F21S43/315—Optical layout thereof using total internal reflection
    • 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
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
    • F21S43/14—Light emitting diodes [LED]
    • 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
    • F21S43/242—Light guides characterised by the emission area
    • F21S43/243—Light guides characterised by the emission area emitting light from one or more of its extremities
    • 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
    • F21S43/247—Light guides with a single light source being coupled into the light guide
    • 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
    • F21S43/40—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the combination of reflectors and refractors
    • 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
    • F21W2103/00—Exterior vehicle lighting devices for signalling purposes
    • 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]

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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

本发明提供一种适用于多造型信号灯的光学系统，包括光源和厚壁件，所述厚壁件包括准直器、全反射结构、厚壁部分一、厚壁部分二和厚壁花纹面，其中，所述厚壁部分一和厚壁部分二是实现“7”字型的造型厚壁，所述准直结构位于所述全反射结构上方，所述厚壁部分一和所述厚壁部分二位于所述准直器和所述全反射结构的前方，在所述厚壁部分一和所述厚壁部分二最前方为所述厚壁花纹面，实现“7”字型的造型出光。既解决了传统的在复杂造型后面用多块PCB板和多个直射式的光源实现复杂造型出光所存在的成本高和光学点亮效果不好等问题，同时在实现多造型、复杂造型的均匀点亮的光学系统时，能降低成本同时获取上佳的点亮效果。

The invention provides an optical system suitable for a multi-modeling signal lamp, comprising a light source and a thick-walled part, wherein the thick-walled part comprises a collimator, a total reflection structure, a thick-walled part 1, a thick-walled part 2 and a thick-walled pattern surface, Wherein, the thick-walled part 1 and the thick-walled part 2 are thick-walled to realize a "7" shape, the collimation structure is located above the total reflection structure, and the thick-walled part 1 and the thick-walled part are The second is located in front of the collimator and the total reflection structure, and the thick-walled pattern surface is located at the front of the thick-walled part 1 and the thick-walled part 2, so as to realize the "7"-shaped modeling light output. It not only solves the problems of high cost and poor optical lighting effect in the traditional use of multiple PCB boards and multiple direct light sources to achieve complex modeling light after complex modeling, but also achieves the uniformity of multiple modeling and complex modeling. When the optical system is lit, the cost can be reduced and the excellent lighting effect can be obtained.

Description

Optical system suitable for more moulding signal lamps
Technical field
The present invention relates to automobile signal light field more particularly to a kind of optical systems suitable for more moulding signal lamps.
Background technique
With China Auto Market iteration speed constantly accelerate, especially new-energy automobile, car networking, AI artificial intelligence The development of technology, the huge variation that the definition of automobile occurs for people, shape-designing higher and higher for aesthetic requirement Also just all the more diversified, each vehicle client meets the characteristics of the times in the present age in imparting automobile, to meet people for automobile Greater demand.Therefore by vehicle customer demand, more shape-designings bring optical design for more diversified vehicle light shape design The complexity and diversity of system, while being bound to bring the increase of cost.
Compared to traditional mentality of designing, this type " 7 " font is designed, generally will use plurality of LEDs optically focused direct projection, It realizes that moulding is lighted, or class " 7 " word is split into two parts realization and lights design, inherently increase considerably into this way This, while it is also bad to light effect.
Simultaneously because vehicle light shape increasingly tilts, almost with vehicle driving direction angle at 45 °, when occurring two or two When a above class " 7 " shape-designing, and when the direct projection of plurality of LEDs condenser being used to design, pcb board is had no idea using one piece, The pcb board using two or more than two is needed, splitting PCB plate used in designing can be more, and design cost is caused substantially to increase Add.
It and is not only merely the design of " 7 " font, the design for other complex models that thus diffraction goes out, such as other numbers Word, letter, figure or similar such complex model etc., existing design all exist it is at high cost, using light source direct-injection type point Bright optical system, which will lead to, to be there is speck or dark space etc. and lights problem of non-uniform.
Summary of the invention
To solve the above problems, being utilized it is an object of the invention to provide a kind of optical system suitable for more moulding signal lamps Collimator and total reflection structure cooperation be located at front multiple thick-walled structure parts and heavy wall go out light patterned surface realize more moulding, Complex model is uniformly lighted, and can be reduced cost while be obtained and excellent light effect.
The present invention provides a kind of optical system suitable for more moulding signal lamps, including light source and heavy section casting, the heavy wall Part includes collimator, total reflection structure, thick wall part one, thick wall part two and heavy wall patterned surface, wherein the thick wall part one With thick wall part second is that realizing that the moulding heavy wall of " 7 " font, the collimating structure are located at the total reflection superstructure, the thickness Wall part one and the thick wall part two are located at the front of the collimator and the total reflection structure, in the thick wall part one It is the heavy wall patterned surface with two forefront of thick wall part, realizes that the moulding of " 7 " font goes out light.
Further improvement lies in that collimator includes collimating structure one, collimating structure two, collimating structure three, the collimation knot Structure one has the function of refraction and total reflection two, will do it and collimates for the first time, and the collimating structure two is plane of refraction, the collimation Structure three is paraboloid, and the combination of collimating structure two and collimating structure three will do it second of collimation, collimating structure two and collimation Structure three needs to consider lambert's illumination mode of light source, carrys out calculation optimization matching design.Thus the light that light source issues passes through two After the light collimation in a perpendicular direction, it can be achieved with launching parallel rays by collimator.
Parallel rays is divided into further improvement lies in that passing through total reflection structure again above by the parallel rays of collimator Two parts, a part spread into thick wall part one by once total reflection, and another part parallel rays is by primary or primary Above total reflection spreads into thick wall part two, and the light in last thick wall part one and thick wall part two passes through heavy wall decorative pattern Face diffuses to space, meets optical design requirements.Due to shape and the position of the thick wall part one and the thick wall part two Combination, in conjunction with forefront the heavy wall patterned surface go out light, realize that the moulding of " 7 " font of the invention goes out light.
Further improvement lies in that the thickness of the collimator is greater than or equal to one thickness of thick wall part and the heavy wall The sum of two thickness of part, guarantees the uniformity lighted.
Further improvement lies in that the heavy wall patterned surface is designed as step-like when moulding face and direction of traffic have angle Patterned surface cooperated, realization parallel rays is spread.
Further improvement lies in that the thick wall part can not only only have the thick wall part one and thick wall part two, The thick wall part quantity can be one, two, or it is greater than two, the shape of the thick wall part is variable, the heavy wall Partial position can also be adjusted according to design requirement.
Further improvement lies in that the thick wall part passes through the combination of shape and position and quantity, complexity may be implemented Shape-designing can be number, and number is not limited to " 7 " font, can be letter, can for figure or other can be with The moulding being made of multiple thick wall parts.
Further improvement lies in that when main engine plants' moulding is the optical system using the light-emitting surface of multiple complex models When combination, such as the combination of optical system, the combination of the optical system of multiple letters or the optics of multiple figures of multiple numbers Combination of system etc., light source is respectively positioned on the top of the heavy section casting at this time, therefore need to only use multiple heavy section castings, and position respectively Light source above multiple heavy section castings includes all light sources, both thus, it is possible to realize only with one piece of pcb board thereon The quantity and cost for reducing pcb board, decrease the quantity and cost of light source, while to light effect more preferable for optics.
Further improvement lies in that the heavy section casting material is polycarbonate or polymethyl methacrylate.
Beneficial effects of the present invention: both solved it is traditional behind complex model with muti-piece pcb board and multiple direct-injection types Light source realize that complex model goes out at high cost and optics present in light and lights the problems such as effect is bad, while realizing make more When type, the optical system of complex model uniformly lighted, cost can be reduced while being obtained and excellent light effect.
Detailed description of the invention
Fig. 1 is axonometric drawing of the invention.
Fig. 2 is front view of the invention.
Fig. 3 is top view of the invention.
Fig. 4 is left view of the invention.
Fig. 5 is index path of the invention.
Fig. 6 is the A-A cross-sectional view in Fig. 2.
Fig. 7 is the B-B cross-sectional view in Fig. 3.
Fig. 8 is the C-C cross-sectional view in Fig. 3.
Fig. 9 lights effect picture for of the invention.
Wherein: 1- light source, 2- heavy section casting, 3- collimator, 31- collimating structure one, 32- collimating structure two, 33- collimating structure Three, 4- are totally reflected structure, 51- thick wall part one, 52- thick wall part two, 6- heavy wall patterned surface.
Specific embodiment
In order to deepen the understanding of the present invention, the present invention will be described in further detail with reference to the examples below, the embodiment For explaining only the invention, it is not intended to limit the scope of the present invention..
As shown in Figs 1-4, the present embodiment provides a kind of optical systems suitable for more moulding signal lamps, including light source 1, thickness Wall pieces 2, the heavy section casting 2 include collimator 3, total reflection structure 4, thick wall part 1, thick wall part 2 52 and heavy wall decorative pattern Face 6.Collimator 3 includes collimating structure 1, collimating structure 2 32, collimating structure 3 33, and the light source 1 is placed on the collimation In the focus of device 3, thick wall part 1 and thick wall part 2 52 are the moulding heavy wall for realizing " 7 " font in the present embodiment.Institute It states collimating structure 3 and is located at 4 top of total reflection structure, the thick wall part 1 and the thick wall part 2 52 are located at described The front of collimator 3 and the total reflection structure 4, is institute in the thick wall part 1 and 2 52 forefront of the thick wall part Heavy wall patterned surface 6 is stated, realizes that the moulding of " 7 " font goes out light.
As shown in Fig. 1,7-8, the collimating structure 1 has the function of to reflect and be totally reflected two, will do it quasi- for the first time Directly, the collimating structure 2 32 is plane of refraction, and the collimating structure 3 33 is paraboloid, collimating structure 2 32 and collimating structure three 33 combination will do it second of collimation.Collimating structure 2 32 and collimating structure 3 33 need to consider lambert's illumination mode of LED, Carry out calculation optimization matching design.
As seen in figs. 5-6, the light that light source 1 issues, by the refraction and total reflection of collimating structure 1 by light one The light in direction collimates, and by the combination of the total reflection of the refraction and collimating structure 3 33 of collimating structure 2 32, by light, another hangs down Histogram to light collimation, after the light collimation that such light passes through two perpendicular directions, can be achieved with emitting by collimator 3 Parallel rays out, then parallel rays is divided into two parts by total reflection structure 4 by parallel rays, and a part is by being once all-trans It penetrates and spreads into thick wall part 1, total reflection of another part parallel rays Jing Guo once or more spreads into heavy wall Part 2 52, the light in last thick wall part 1 and thick wall part 2 52 diffuse to space by heavy wall patterned surface 6, meet Optical design requirements.Due to the combination of the shape and position of the thick wall part 1 and the thick wall part 2 52, in conjunction with most The heavy wall patterned surface 6 in front goes out light, realizes that the moulding of " 7 " font of the present embodiment goes out light.
In order to guarantee to light uniformity, the thickness of the collimator 3 should be greater than or be equal to one 51 thickness of thick wall part The sum of with 2 52 thickness of thick wall part.
Since moulding face and direction of traffic have angle, so the heavy wall patterned surface 6 is needed to be designed as step-like decorative pattern Face is cooperated, and parallel rays is spread in realization.The optical system front surface and direction of traffic angle of the present embodiment are 45 ° of left sides It is right.
When main engine plants' moulding is the combination using the light-emitting surface of multiple " 7 " fonts, light source 1 is respectively positioned on the heavy wall at this time The top of part 2, therefore multiple heavy section castings 2 need to be only used, and be located at the light source of multiple 2 tops of heavy section casting, as a result, may be used To realize only with one piece of pcb board, includes thereon all light sources, both reduced the quantity and cost of pcb board, and decreased light The quantity and cost in source 1.
2 material of heavy section casting is polycarbonate.
Realize that " 7 " font goes out with muti-piece pcb board and the light source of multiple direct-injection types behind complex model compared to traditional At high cost and optics existing for light lights the problems such as effect is bad, and the scheme of the present embodiment had both reduced the number of pcb board and light source Amount and cost also by the combination of the present embodiment light source 1 and heavy section casting 2 there is better optics to light effect, while can be applicable in In the moulding of Various Complex.

Claims (8)

1.一种适用于多造型信号灯的光学系统，其特征在于：包括光源（1）、厚壁件（2），所述厚壁件（2）包括准直器（3）、全反射结构（4）、厚壁部分一（51）、厚壁部分二（52）和厚壁花纹面（6），所述厚壁部分一（51）和厚壁部分二（52）是呈“7”字型的造型厚壁，所述准直结构（3）位于全反射结构（4）上方，所述厚壁部分一（51）和厚壁部分二（52）位于准直器（3）和全反射结构（4）的前方，在厚壁部分一（51）和厚壁部分二（52）前方为厚壁花纹面（6），实现“7”字型的造型出光。1. An optical system suitable for a multi-modeling signal lamp, characterized in that it comprises a light source (1) and a thick-walled part (2), wherein the thick-walled part (2) comprises a collimator (3), a total reflection structure ( 4) Thick-walled part one (51), thick-walled part two (52) and thick-walled pattern surface (6), the thick-walled part one (51) and thick-walled part two (52) are in the shape of "7" type thick wall, the collimating structure (3) is located above the total reflection structure (4), the thick wall part one (51) and the thick wall part two (52) are located on the collimator (3) and the total reflection In front of the structure (4), there is a thick-walled pattern surface (6) in front of the thick-walled part one (51) and the thick-walled part two (52), so as to realize the "7"-shaped light-emitting. 2.如权利要求1所述的适用于多造型信号灯的光学系统，其特征在于：所述准直器（3）包括准直结构一（31）、准直结构二（32）、准直结构三（33），所述准直结构一（31）具有折射和全反射两个功能，会进行第一次准直，所述准直结构二（32）为折射面，所述准直结构三（33）为抛物面，准直结构二（32）和准直结构三（33）的组合会进行第二次准直，准直结构二（32）和准直结构三（33）考虑光源的朗伯发光方式，来计算优化配合设计。2. The optical system suitable for a multi-modeling signal lamp according to claim 1, characterized in that: the collimator (3) comprises a collimating structure one (31), a collimating structure two (32), a collimating structure Three (33), the collimation structure one (31) has two functions of refraction and total reflection, and will perform the first collimation, the collimation structure two (32) is a refraction surface, and the collimation structure three (33) is a paraboloid, the combination of the collimation structure two (32) and the collimation structure three (33) will perform the second collimation, and the collimation structure two (32) and the collimation structure three (33) consider the brightness of the light source. Bo light-emitting method, to calculate the optimal fit design. 3.如权利要求1所述的适用于多造型信号灯的光学系统，其特征在于：光线通过全反射结构（4）将平行光线分成两部分，一部分通过一次全反射传播进入厚壁部分一（51），另一部分平行光线经过一次或一次以上的全反射传播进入厚壁部分二（52）。3. The optical system suitable for multi-modeling signal lamps according to claim 1, characterized in that: the light rays are divided into two parts by the total reflection structure (4), and one part propagates into the thick-walled part one (51) through a total reflection. ), and another part of the parallel rays propagates into the thick-walled part two (52) through one or more total reflections. 4.如权利要求1或2所述的适用于多造型信号灯的光学系统，其特征在于：所述准直器（3）的厚度大于或等于所述厚壁部分一（51）厚度和厚壁部分二（52）厚度之和。4. The optical system suitable for multi-modeling signal lamps according to claim 1 or 2, characterized in that: the thickness of the collimator (3) is greater than or equal to the thickness of the thick-walled part one (51) and the thickness of the thick-walled part 1 (51). The sum of the thicknesses of part two (52). 5.如权利要求1所述的适用于多造型信号灯的光学系统，其特征在于：当造型面与行车方向有夹角时，所述厚壁花纹面（6）设计为台阶状的花纹面进行配合，实现将平行光线扩散。5. The optical system suitable for multi-shaped signal lamps according to claim 1, characterized in that: when the modeling surface has an included angle with the driving direction, the thick-walled pattern surface (6) is designed as a stepped pattern surface to carry out Together, the parallel light can be diffused. 6.如权利要求1所述的适用于多造型信号灯的光学系统，其特征在于：所述厚壁部分一（51）和厚壁部分二（52）的数量至少为一个，且通过形状和位置以及数量的组合，实现数字或字母或图形的造型设计。6. The optical system suitable for multi-modeling signal lamps according to claim 1, characterized in that: the number of the thick-walled part one (51) and the thick-walled part two (52) is at least one, and the number of the thick-walled part one (51) and the thick-walled part two (52) is at least one, and the number of the thick-walled part one (51) and the thick-walled part two (52) is at least one As well as the combination of numbers, the shape design of numbers or letters or graphics can be realized. 7.如权利要求6所述的适用于多造型信号灯的光学系统，其特征在于：所述当造型为采用复杂造型的出光面的光学系统的组合时，仅采用一块PCB板，其上包括所有的位于厚壁件（2）上方的光源（1）。7. The optical system as claimed in claim 6, characterized in that: when the modeling is a combination of optical systems using complex-shaped light-emitting surfaces, only one PCB is used, which includes all the the light source (1) above the thick-walled part (2). 8.如权利要求1或7所述的适用于多造型信号灯的光学系统，其特征在于：所述厚壁件（2）的材料为聚碳酸酯或聚甲基丙烯酸甲酯。8. The optical system suitable for a multi-shaped signal lamp according to claim 1 or 7, characterized in that: the material of the thick-walled part (2) is polycarbonate or polymethyl methacrylate.
CN201811623892.5A 2018-12-28 2018-12-28 Optical system suitable for more moulding signal lamps Pending CN109519873A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113028361A (en) * 2021-03-16 2021-06-25 华域视觉科技(上海)有限公司 Car lamp system capable of being uniformly lightened
CN114060764A (en) * 2020-07-31 2022-02-18 常州星宇车灯股份有限公司 An optical system of a lamp for a vehicle
CN114909636A (en) * 2022-04-29 2022-08-16 马瑞利汽车零部件(芜湖)有限公司 Light guide thick wall part optical system with folded angle for eliminating light bright spots and car lamp
CN116608428A (en) * 2023-05-11 2023-08-18 常诚车业江苏有限公司 Wall thickness part optical structure of LED light source

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CN114060764A (en) * 2020-07-31 2022-02-18 常州星宇车灯股份有限公司 An optical system of a lamp for a vehicle
CN113028361A (en) * 2021-03-16 2021-06-25 华域视觉科技(上海)有限公司 Car lamp system capable of being uniformly lightened
CN114909636A (en) * 2022-04-29 2022-08-16 马瑞利汽车零部件(芜湖)有限公司 Light guide thick wall part optical system with folded angle for eliminating light bright spots and car lamp
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