CN210662681U - Thick wall light guide grading system - Google Patents
Thick wall light guide grading system Download PDFInfo
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- CN210662681U CN210662681U CN201921843154.1U CN201921843154U CN210662681U CN 210662681 U CN210662681 U CN 210662681U CN 201921843154 U CN201921843154 U CN 201921843154U CN 210662681 U CN210662681 U CN 210662681U
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Abstract
The utility model discloses a thick wall light guide grading system, including LED light source and thick wall light guide, the leading flank of thick wall light guide is the light emitting area, be equipped with the spotlight ware on the thick wall light guide, one-level grading face and upper and lower two-level grading face and the tertiary grading face that is parallel to each other, one-level grading face sets up to down-tilting in the past, two-level grading face from the back to forward down-tilting set up and with the upper portion of one-level grading face around relative setting, the focus position department of spotlight ware is located to the LED light source, the light that its emission was come out passes through the spotlight ware and forms during the parallel light gets into thick wall light guide, the partly of parallel light is propagated to the light emitting area after one-level grading face total reflection and is jetted out and is diffused, another part of parallel light is passed through one-level grading face in proper order, propagate to the light emitting area and. The utility model discloses a thick wall light guide grading system, light emitting area and light source plane of reflection can not be on same horizontal plane, and structural design is more nimble, and is luminous even.
Description
Technical Field
The utility model relates to a grading system of car light especially relates to a thick wall light guide grading system.
Background
At present, the internal thick-wall light guide light distribution structure projects an LED light source onto a light source reflection surface through a condenser, light rays are directly projected onto a light emitting surface through the light source reflection surface, the light emitting surface needs to be on the same horizontal direction with the light source reflection surface, the structural design means limits, only 2-level light distribution surfaces (the light source reflection surface and the light emitting surface) are provided at the same time, the light rays cannot complete complex track design, the size of the light emitting surface is limited by the size of the light source reflection surface, fine and exquisite modeling cannot be achieved, and the light emitting uniformity cannot meet the perception quality requirement.
Disclosure of Invention
The utility model relates to a solve not enough among the prior art and accomplish, the utility model aims at providing a thick wall light guide grading system, light emitting area and light source plane of reflection can not be on same horizontal plane, and structural design is more nimble, can not form the dark space on the light emitting area, realizes luminous evenly.
The utility model discloses a thick wall light guide grading system, including LED light source and thick wall light guide, thick wall light guide is a polyhedron, thick wall light guide include will be derived from the light of LED light source forms the parallel light and introduce the condenser of the inside of thick wall light guide, will the parallel light that the condenser formed carries out the primary light distribution face of total reflection and will pass through the one part of the light after the total reflection of primary light distribution face carries out the secondary light distribution face of total reflection once more, will pass through the tertiary light distribution face that the light after the total reflection of secondary light distribution face carries out the total reflection once more to and will pass through another part of the light after the total reflection of primary light distribution face and will pass through the light after the total reflection of tertiary light distribution face refract and the light emitting area that the diffusion jetted out, the condenser with the tertiary light distribution face is located in proper order before from the back on the bottom surface at thick wall light guide rear portion, the primary light distribution surface and the secondary light distribution surface are sequentially arranged on the top surface of the rear portion of the thick-wall light guide from back to front, the light emitting surface is arranged on the front side surface of the thick-wall light guide, the primary light distribution surface is arranged in a downward inclined mode from front to back, the secondary light distribution surface is arranged in a downward inclined mode from back to front, the secondary light distribution surface and the upper portion of the primary light distribution surface are oppositely arranged front and back, the LED light source is arranged at the focus position of the condenser, and the tertiary light distribution surface is arranged under the secondary light distribution surface in parallel.
The utility model discloses a thick wall light guide grading system can also be:
the area of the light emitting surface is larger than that of the primary light distribution surface.
The primary light distribution surface is arranged right above the condenser, and the horizontal width of the primary light distribution surface is larger than or equal to that of the light-emitting surface of the condenser.
The primary light distribution surface is perpendicular to the secondary light distribution surface.
An acute included angle between the primary light distribution surface and the horizontal plane is 45 degrees, and an incident angle of parallel light formed by the condenser on the primary light distribution surface is 45 degrees.
And the surface of the luminous surface is provided with optical patterns.
The utility model discloses a thick wall light guide grading system, including LED light source and thick wall light guide, thick wall light guide is a polyhedron, thick wall light guide include will be derived from the light of LED light source forms the parallel light and introduce the condenser of the inside of thick wall light guide, will the parallel light that the condenser formed carries out the primary light distribution face of total reflection and will pass through the one part of the light after the total reflection of primary light distribution face carries out the secondary light distribution face of total reflection once more, will pass through the tertiary light distribution face that the light after the total reflection of secondary light distribution face carries out the total reflection once more to and will pass through another part of the light after the total reflection of primary light distribution face and will pass through the light after the total reflection of tertiary light distribution face refract and the light emitting area that the diffusion jetted out, the condenser with the tertiary light distribution face is located in proper order before from the back on the bottom surface at thick wall light guide rear portion, the primary light distribution surface and the secondary light distribution surface are sequentially arranged on the top surface of the rear portion of the thick-wall light guide from back to front, the light emitting surface is arranged on the front side surface of the thick-wall light guide, the primary light distribution surface is arranged in a downward inclined mode from front to back, the secondary light distribution surface is arranged in a downward inclined mode from back to front, the secondary light distribution surface and the upper portion of the primary light distribution surface are oppositely arranged front and back, the LED light source is arranged at the focus position of the condenser, and the tertiary light distribution surface is arranged under the secondary light distribution surface in parallel. Like this, the below of thick wall light guide is located to the LED light source, can not directly see the LED light source through the light emitting area, the bright spot can not appear, compared with the prior art, use the spotlight ware to advance the light and have the effect that improves the light efficiency, the scattered light that makes the LED light source send forms the parallel light and during the coupling of maximum efficiency gets into thick wall light guide, carry out the grading through setting up the secondary grading face and the tertiary grading face that are parallel to each other from top to bottom, make light emitting area and light source plane of reflection (being one grade of grading face) can not be on same horizontal plane, structural design is more nimble. Meanwhile, parallel light of the LED light source entering the thick-wall light guide part through the condenser respectively reaches the light emitting surface through two propagation paths, one part of the parallel light directly reaches the upper part and the middle part of the light emitting surface after being totally reflected by the primary light distribution surface, the other part of the parallel light reaches the lower part of the light emitting surface after being subjected to multi-level light distribution, no dark space is formed on the light emitting surface, and uniform light emission is realized. Compared with the prior art, the utility model discloses a thick wall light guide grading system has following advantage: the light-emitting surface and the light source reflecting surface can be not positioned on the same horizontal plane, the structural design is more flexible, a dark space cannot be formed on the light-emitting surface, and uniform light emission is realized.
Drawings
Fig. 1 is a schematic structural view of the thick-wall light guide light distribution system of the present invention.
Fig. 2 is a schematic view of a propagation path of light of the thick-wall light guide light distribution system of the present invention.
Wherein the arrows within the thick-walled light guide in fig. 2 indicate the propagation path of the light.
Description of the figures
1 … LED light source 2 … thick wall light guide 3 … light emitting surface
4 … primary light distribution surface 5 … secondary light distribution surface 6 … tertiary light distribution surface
7 … condenser
Detailed Description
In the present invention, if directions (up, down, front, and back) are described, the structure shown in fig. 1 is used as a reference description, but the practical direction of the present invention is not limited thereto. Wherein, the luminous surface 3 is in front, and the condenser 7 is behind; the secondary light distribution surface 5 is arranged above, and the tertiary light distribution surface 6 is arranged below.
A thick-walled light guide light distribution system according to the present invention will be described in further detail with reference to fig. 1 to 2.
The utility model discloses a thick wall light guide grading system, please refer to fig. 1 to fig. 2, including LED light source 1 and thick wall light guide 2, thick wall light guide 2 is a polyhedron, thick wall light guide 2 includes that the future derives from the light of LED light source 1 forms the parallel light and introduces the spotlight ware 7 of the inside of thick wall light guide 2, will the parallel light that spotlight ware 7 formed carries out the one-level grading face 4 of total reflection and will pass through the second grade grading face 5 that the partly total reflection of the light after 4 total reflections of first grade grading face carries out once more, will pass through the tertiary grading face 6 that the light after 5 total reflections of second grade grading face carries out the total reflection once more to and will pass through another part of the light after 4 total reflections of first grade grading face and will pass through the light after 6 total reflections of tertiary grading face carry out and diffuse the light emitting area 3 who jets out, the condenser 7 with tertiary light distribution 6 from back to preceding locates in proper order on the bottom surface at thick wall light guide 2 rear portion, primary light distribution 4 with secondary light distribution 5 from back to preceding locates in proper order on the top surface at thick wall light guide 2 rear portion, light emitting surface 3 locates on the leading flank of thick wall light guide 2, primary light distribution 4 sets up from front to back down-tilting, secondary light distribution 5 sets up from back to front down-tilting, secondary light distribution 5 with the upper portion of primary light distribution 4 sets up around relatively, LED light source 1 locates condenser 7's focus position department, tertiary light distribution 6 parallel arrangement in under secondary light distribution 5. Like this, LED light source 1 locates the below of thick wall light guide 2, can not directly see LED light source 1 through light emitting surface 3, the bright spot can not appear, compared with the prior art, it has the effect that improves the light efficiency to use spotlight 7 to advance the light, make the scattered light that LED light source 1 sent form the parallel light and the coupling of maximum efficiency gets into in thick wall light guide 2, carry out the grading through setting up second grade grading face 5 and tertiary grading face 6 that are parallel to each other from top to bottom, make light emitting surface 3 and light source plane of reflection (being one-level grading face 4) can not be on same horizontal plane, structural design is more nimble. Meanwhile, parallel light of the LED light source 1 entering the thick-wall light guide part 2 through the condenser 7 respectively reaches the light emitting surface 3 through two propagation paths, one part of the parallel light directly reaches the upper part and the middle part of the light emitting surface 3 after being totally reflected by the primary light distribution surface 4, the other part of the parallel light reaches the lower part of the light emitting surface 3 after being subjected to multi-level light distribution, no dark space is formed on the light emitting surface 3, and uniform light emission is realized. Compared with the prior art, the utility model discloses a thick wall light guide grading system has following advantage: the light-emitting surface 3 and the light source reflecting surface can be not on the same horizontal plane, the structural design is more flexible, a dark space cannot be formed on the light-emitting surface 3, and the uniform light emission is realized.
The utility model discloses a thick wall light guide grading system, on the basis of the technical scheme of the preceding description, please refer to fig. 1 to fig. 2, can also be: the area of the luminous surface 3 is larger than that of the primary light distribution surface 4. Thus, compared with the prior art, the luminous surface 3 is designed to be larger than the reflecting surface (primary light distribution surface 4) of the rear LED light source 1, the coverage area of the emitted light is larger, and the luminous uniformity is better.
The utility model discloses a thick wall light guide grading system, on the basis of the technical scheme of the preceding description, please refer to fig. 1 to fig. 2, can also be: the primary light distribution surface 4 is arranged right above the condenser 7, and the horizontal width of the primary light distribution surface 4 is greater than or equal to the horizontal width of the light-emitting surface of the condenser 7. Therefore, light emitted by the LED light source 1 enters the thick-wall light guide 2 through the condenser 7 and can be completely transmitted to the first-level light distribution surface 4 and reflected by the first-level light distribution surface, and the utilization rate of the light is improved.
The utility model discloses a thick wall light guide grading system, on the basis of the technical scheme of the preceding description, please refer to fig. 1 to fig. 2, can also be: the primary light distribution surface 4 and the secondary light distribution surface 5 are perpendicular to each other. In this way, a part of the light totally reflected by the primary light distribution surface 4 and another part of the light subjected to the multi-level light distribution are propagated to the light emitting surface 3 in parallel, and the light emitting uniformity is further improved. On the basis of the technical solution described above, it is further preferable that the acute included angle between the primary light distribution surface 4 and the horizontal plane is 45 °, and the incident angle of the parallel light formed by the condenser 7 on the primary light distribution surface 4 is 45 °. Thus, the light emitted from the LED light source 1 is distributed to the thick light guide 2 and then horizontally propagates to the light emitting surface 3.
The utility model discloses a thick wall light guide grading system, on the basis of the technical scheme of the preceding description, please refer to fig. 1 to fig. 2, can also be: the surface of the luminous surface 3 is provided with optical patterns. In this way, the optical pattern on the light emitting surface 3 diffuses light, and the uniformity of light emitted on the light emitting surface 3 is further improved, and a specific optical pattern may be a plurality of rectangles of 1.0mm × 1.0 mm.
The above description is only for the specific embodiments of the present invention, but not for the scope of the present invention, all equivalent changes or modifications made according to the design spirit of the present invention should be considered as falling into the scope of the present invention.
Claims (6)
1. A thick-walled light guide light distribution system characterized by: the LED light source comprises an LED light source and a thick-wall light guide part, wherein the thick-wall light guide part is a polyhedron, the thick-wall light guide part comprises a condenser, a primary light distribution surface and a secondary light distribution surface, the condenser is used for forming parallel light from the LED light source and introducing the parallel light into the thick-wall light guide part, the primary light distribution surface is used for totally reflecting the parallel light formed by the condenser, one part of the light totally reflected by the primary light distribution surface is totally reflected again, the other part of the light totally reflected by the secondary light distribution surface is used for totally reflecting the light totally reflected by the tertiary light distribution surface, the light emitting surface is used for refracting and diffusing the light totally reflected by the tertiary light distribution surface, the condenser and the tertiary light distribution surface are sequentially arranged on the rear part of the bottom surface of the thick-wall light guide part from back to front, and the primary light distribution surface and the secondary light distribution surface are sequentially arranged on the top surface of the rear part of the thick-wall light guide part from back to, the light emitting surface is arranged on the front side surface of the thick-wall light guide part, the primary light distribution surface is arranged in a downward inclined mode from front to back, the secondary light distribution surface is arranged in a downward inclined mode from back to front, the secondary light distribution surface and the upper portion of the primary light distribution surface are arranged in a front-back opposite mode, the LED light source is arranged at the position of a focus of the condenser, and the tertiary light distribution surface is arranged right below the secondary light distribution surface in parallel.
2. A thick-walled light guide light distribution system as claimed in claim 1, wherein: the area of the light emitting surface is larger than that of the primary light distribution surface.
3. A thick-walled light guide light distribution system as claimed in claim 1, wherein: the primary light distribution surface is arranged right above the condenser, and the horizontal width of the primary light distribution surface is larger than or equal to that of the light-emitting surface of the condenser.
4. A thick-walled light guide light distribution system as claimed in any one of claims 1 to 3, wherein: the primary light distribution surface is perpendicular to the secondary light distribution surface.
5. A thick-walled light guide light distribution system as claimed in claim 4, wherein: an acute included angle between the primary light distribution surface and the horizontal plane is 45 degrees, and an incident angle of parallel light formed by the condenser on the primary light distribution surface is 45 degrees.
6. A thick-walled light guide light distribution system as claimed in any one of claims 1 to 3, wherein: and the surface of the luminous surface is provided with optical patterns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921843154.1U CN210662681U (en) | 2019-10-30 | 2019-10-30 | Thick wall light guide grading system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921843154.1U CN210662681U (en) | 2019-10-30 | 2019-10-30 | Thick wall light guide grading system |
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| CN210662681U true CN210662681U (en) | 2020-06-02 |
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| CN201921843154.1U Active CN210662681U (en) | 2019-10-30 | 2019-10-30 | Thick wall light guide grading system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879865A (en) * | 2021-01-20 | 2021-06-01 | 大茂伟瑞柯车灯有限公司 | Low-cost thick-wall light guide structure for daytime running lamp and steering lamp |
| WO2022001087A1 (en) * | 2020-07-02 | 2022-01-06 | 华域视觉科技(上海)有限公司 | Vehicle lamp optical unit, vehicle lamp module, and vehicle |
| WO2023109306A1 (en) * | 2021-12-13 | 2023-06-22 | 常州星宇车灯股份有限公司 | Thick-wall member structure, light-emitting device, and light-emitting method |
-
2019
- 2019-10-30 CN CN201921843154.1U patent/CN210662681U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022001087A1 (en) * | 2020-07-02 | 2022-01-06 | 华域视觉科技(上海)有限公司 | Vehicle lamp optical unit, vehicle lamp module, and vehicle |
| CN112879865A (en) * | 2021-01-20 | 2021-06-01 | 大茂伟瑞柯车灯有限公司 | Low-cost thick-wall light guide structure for daytime running lamp and steering lamp |
| WO2023109306A1 (en) * | 2021-12-13 | 2023-06-22 | 常州星宇车灯股份有限公司 | Thick-wall member structure, light-emitting device, and light-emitting method |
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