CN111578220A - Automobile, automobile lamp and light-emitting structure thereof - Google Patents
Automobile, automobile lamp and light-emitting structure thereof Download PDFInfo
- Publication number
- CN111578220A CN111578220A CN202010389580.3A CN202010389580A CN111578220A CN 111578220 A CN111578220 A CN 111578220A CN 202010389580 A CN202010389580 A CN 202010389580A CN 111578220 A CN111578220 A CN 111578220A
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- light
- light guide
- emitting module
- main frame
- light source
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 10
- 230000005494 condensation Effects 0.000 claims abstract description 3
- 238000009833 condensation Methods 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- 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
-
- 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
- F21S41/32—Optical layout thereof
-
- 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
- F21S43/236—Light guides characterised by the shape of 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
- 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]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention provides an automobile, an automobile lamp and a light-emitting structure thereof, wherein the light-emitting structure comprises a main frame and a plurality of light guide devices arranged on the main frame, the main frame comprises a light-emitting module and a heat dissipation device, and a light source is arranged on the outer side surface of the light-emitting module; the heat dissipation device is contacted with the light emitting module and is arranged perpendicular to the light emitting module; the light guide device is arranged adjacent to the light source and comprises a light condensation part, a reflection part and a light guide part which are sequentially arranged from near to far along the irradiation direction of the light source; one end of the light-gathering part close to the light-emitting module is opposite to the light source, and a convex lens structure for gathering the light irradiated by the light source into parallel light is formed; the reflecting part is arranged at one end of the light-gathering part far away from the light source and is provided with at least one reflecting surface which totally reflects the parallel light to the light-guiding part; the light guide part is of a sheet structure, one end of the light guide part is connected with the reflection part, and the other end of the light guide part is unfolded towards one side of the main frame in a wing shape. The invention can reduce the cost and enrich the car lamp shape on the premise of meeting the light distribution requirement.
Description
Technical Field
The invention relates to an automobile lamp accessory, in particular to a light-emitting structure of an automobile lamp, and the automobile lamp and an automobile using the light-emitting structure.
Background
With the development of the modern automobile industry, the shapes of automobile lamps are more and more diversified, and people can not only use the automobile lamps on the illumination function, but also pursue individuation and customization.
The automobile lamp is different from a common lighting lamp, is also used for indicating signals, and needs to meet various national regulations, so the light distribution design of the automobile lamp is particularly important for the automobile lamp. At present, OLED car lights are carried on certain high-end car types, and OLED emits light under the driving of an electric field through carrier injection and recombination of organic semiconductor materials and luminescent materials, so that the cost of raw materials can be greatly improved by adopting OLED, and the OLED car lights are not beneficial to market popularization.
Disclosure of Invention
In order to solve the above technical problems, a first object of the present invention is to provide a light-emitting structure of an automobile lamp, which can reduce the cost and enrich the shape of the lamp on the premise of meeting the requirement of light distribution.
A second object of the invention is to provide an automotive lamp equipped with the above-mentioned light-emitting structure therein.
A third object of the present invention is to provide an automobile equipped with the above automobile lamp.
In view of the above, one aspect of the present invention provides a light emitting structure of an automotive lamp, the light emitting structure including a main frame and a plurality of light guide devices disposed on the main frame, wherein:
the main frame comprises a light-emitting module and a heat dissipation device, and a light source is arranged on the outer side surface of the light-emitting module; the heat dissipation device is in contact with the light emitting module and is arranged perpendicular to the light emitting module;
the light guide device is arranged adjacent to the light source and comprises a light condensation part, a reflection part and a light guide part which are sequentially arranged from near to far along the irradiation direction of the light source;
one end of the light-gathering part close to the light-emitting module is opposite to the light source, and a convex lens structure is formed and is used for gathering light rays irradiated by the light source into parallel light;
the reflecting part is arranged at one end of the light-gathering part far away from the light source and is provided with at least one reflecting surface which totally reflects the parallel light to the light-guiding part, so that the light irradiation direction is deviated;
the light guide part is of a sheet structure, one end of the light guide part is connected with the reflection part, and the other end of the light guide part is spread towards one side of the main frame in a wing shape, so that light reflected by the reflection part is scattered outside the luminous structure.
Preferably, the inner side surface of the light guide part is formed with a first corrugation for scattering light, the first corrugation comprises a plurality of vertical stripes which are arranged side by side and have semicircular cross sections, and each vertical stripe scatters the reflected light reflected to the light guide part by using the radian of the edge of each vertical stripe, so that the light emitted to the outside of the light emitting structure is more uniform.
Preferably, the reflection part includes a plurality of reflection surfaces connected end to form second corrugations extending obliquely outward for totally reflecting light.
Preferably, the light guide device is of an integrally molded structure.
Preferably, the light guide device is made of a light-transmitting material.
Preferably, the reflection part is divided into a left part and a right part along the central line direction of the main frame, and the light guide parts are arranged in pairs and are respectively arranged at two sides of the central line of the main frame.
Preferably, the heat dissipation device is made of an aluminum alloy material.
In another aspect of the present invention, there is provided an automotive lamp equipped with a light emitting structure employing the light emitting structure as described above.
In one aspect of the present invention, there is provided an automobile equipped with a lamp employing the automobile lamp as described above.
Compared with the prior art, the invention has the beneficial effects that:
the invention utilizes the convergence, total reflection and scattering of light rays to realize the uniform lighting of a specific sheet structure with the lowest cost (7 LEDs), replaces an OLED light-emitting structure with high cost, can reduce the cost, enrich the car lamp shape and meet the aesthetic requirements of different customer groups on the premise of meeting the light distribution requirement.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
Fig. 1 is a schematic view of the overall structure of a light emitting structure in an embodiment of the present invention;
FIG. 2 is a schematic top view of a light guide device according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a front view direction (a direction from the outside of the car lamp to the inside of the car lamp is a front view) of the light guide device according to the embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a rear view direction (a front view is taken from the outside of the car lamp to the inside of the car lamp) of the light guide device in the embodiment of the invention;
FIG. 5 is a schematic diagram of a propagation path of light in an embodiment of the invention.
Wherein, 1, a light-emitting module; 2. a heat sink; 3. a light-condensing section; 4. a reflection section; 5. a light guide part; 41. a second corrugation; 51. a first corrugation.
Detailed Description
The invention is further described with reference to the following figures and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present invention, the light source irradiation direction is the outer side of the light emitting module, and the opposite direction is the inner side.
As shown in fig. 1, the present embodiment provides a light-emitting structure of an automobile lamp, which includes a main frame and a plurality of light guide devices disposed on the main frame, wherein:
the main frame comprises a light-emitting module 1 and a heat dissipation device 2, and a light source is arranged on the outer side surface of the light-emitting module; the heat dissipation device 2 is in contact with the light emitting module and is arranged perpendicular to the light emitting module;
the light guide device is arranged adjacent to the light source, and as shown in fig. 2-4, the light guide device comprises a light-gathering part 3, a reflecting part 4 and a light-guiding part 5 which are arranged in sequence from near to far along the irradiation direction of the light source;
one end of the light-gathering part 3, which is close to the light-emitting module, is opposite to the light source, and a convex lens structure is formed, and the convex lens structure is used for gathering light rays irradiated by the light source into parallel light;
the reflecting part 4 is arranged at one end of the light-gathering part 3 far away from the light source and is provided with at least one reflecting surface which totally reflects the parallel light to the light-guiding part 5, so that the light irradiation direction is deviated;
the light guide part 5 has a sheet structure, one end of which is connected to the reflection part 4, and the other end of which is spread toward one side of the main frame in a fin shape, so that the light reflected by the reflection part 4 is scattered to the outside of the luminous structure.
As a preferred embodiment, the inner side surface of the light guide part 5 is formed with a first corrugation 51 for scattering light, the first corrugation 51 includes a plurality of vertical stripes arranged side by side and having a semicircular cross section, and each vertical stripe scatters the reflected light reflected to the light guide part 5 by using the radian of the edge thereof, so that the light finally transmitted through the lamp shade is more uniform and soft.
In a preferred embodiment, the reflection portion 4 includes a plurality of reflection surfaces connected end to form the second corrugations 41 extending obliquely outward for totally reflecting light. As shown in fig. 5, the propagation path of the light is as follows: the light emitted by the light source is refracted by the light condensing device and condensed into parallel light, the parallel light forms total reflection when passing through the second corrugations 41 of the reflecting part 4, so that the direction of the light is deviated, the light irradiates on the inner side surface of the light guiding part 5, and the light is further diffused through the first corrugations 51, so that the requirements of laws and regulations are met.
As a preferred embodiment, the light guide device is an integrally formed structure.
As a preferred embodiment, the light guide device is made of a light-transmitting material.
In a preferred embodiment, the reflection portion 4 is divided into left and right portions along a central line of the main frame, and the light guide portions 5 are disposed in pairs and disposed on both sides of the central line of the main frame.
As a preferred embodiment, the heat dissipation device 2 is made of an aluminum alloy.
The present embodiment also provides an automotive lamp equipped with a light emitting structure that employs the light emitting structure described above.
The present embodiment also provides an automobile equipped with a lamp that employs the automobile lamp as described above.
The invention utilizes the convergence, total reflection and scattering of light rays to realize the uniform lighting of a specific sheet structure with the lowest cost (7 LEDs), replaces an OLED light-emitting structure with high cost, can reduce the cost, enrich the car lamp shape and meet the aesthetic requirements of different customer groups on the premise of meeting the light distribution requirement.
Although the embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and those skilled in the art can make changes, modifications, substitutions and alterations to the above embodiments without departing from the principle and spirit of the present invention, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention still fall within the technical scope of the present invention.
Claims (9)
1. The utility model provides a light-emitting structure of car light which characterized in that, includes the body frame and sets up a plurality of leaded light devices on the body frame, wherein:
the main frame comprises a light-emitting module (1) and a heat dissipation device (2), and a light source is arranged on the outer side surface of the light-emitting module; the heat dissipation device (2) is in contact with the light emitting module and is arranged perpendicular to the light emitting module;
the light guide device is arranged adjacent to the light source and comprises a light condensation part (3), a reflection part (4) and a light guide part (5) which are arranged in sequence from near to far along the irradiation direction of the light source;
one end of the light-gathering part (3) close to the light-emitting module is opposite to the light source, and a convex lens structure is formed and is used for gathering light rays irradiated by the light source into parallel light;
the reflecting part (4) is arranged at one end of the light-gathering part (3) far away from the light source and is provided with at least one reflecting surface which totally reflects the parallel light to the light-guiding part (5) so as to lead the light irradiation direction to deviate;
the light guide part (5) is of a sheet structure, one end of the light guide part is connected with the reflection part (4), and the other end of the light guide part is spread towards one side of the main frame in a wing shape, so that light rays reflected by the reflection part (4) are scattered outside the luminous structure.
2. The structure of claim 1, wherein the light guide portion (5) has a first corrugation (51) formed on an inner surface thereof for scattering light, the first corrugation (51) comprising a plurality of vertical stripes arranged side by side and having a semicircular cross section, each vertical stripe scattering the reflected light reflected onto the light guide portion (5) by using the curvature of the edge thereof, so that the light emitted out of the light structure is more uniform.
3. A light-emitting structure of an automobile lamp according to claim 1, characterized in that the reflecting portion (4) comprises a plurality of reflecting surfaces connected end to form obliquely outwardly extending second corrugations (41) for total reflection of light.
4. The light-emitting structure of an automotive lamp as claimed in claim 1, characterized in that the light guide means is an integrally molded structure.
5. The light-emitting structure of an automotive lamp according to claim 1, wherein the light guide means is made of a light-transmitting material.
6. The structure of claim 1, wherein the reflection portion (4) is divided into left and right portions along a central line of the main frame, and the light guide portions (5) are disposed in pairs and disposed on both sides of the central line of the main frame.
7. The light-emitting structure of an automobile lamp according to claim 1, wherein the heat sink (2) is made of aluminum alloy.
8. An automotive lamp equipped with a light-emitting structure, characterized in that the light-emitting structure employs a light-emitting structure according to any one of claims 1 to 7.
9. An automobile equipped with a lamp, characterized in that the lamp employs the automobile lamp according to claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010389580.3A CN111578220A (en) | 2020-05-08 | 2020-05-08 | Automobile, automobile lamp and light-emitting structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010389580.3A CN111578220A (en) | 2020-05-08 | 2020-05-08 | Automobile, automobile lamp and light-emitting structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111578220A true CN111578220A (en) | 2020-08-25 |
Family
ID=72117187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010389580.3A Pending CN111578220A (en) | 2020-05-08 | 2020-05-08 | Automobile, automobile lamp and light-emitting structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111578220A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012022909A (en) * | 2010-07-15 | 2012-02-02 | Koito Mfg Co Ltd | Lighting fixture for vehicle |
| JP2014007023A (en) * | 2012-06-22 | 2014-01-16 | Stanley Electric Co Ltd | Vehicular lighting fixture |
| KR20190081774A (en) * | 2017-12-29 | 2019-07-09 | 에스엘 주식회사 | lamp for vehicle |
| CN210141552U (en) * | 2019-07-19 | 2020-03-13 | 华域视觉科技(上海)有限公司 | Primary optical element, car lamp module, car lamp and vehicle |
| CN212029391U (en) * | 2020-05-08 | 2020-11-27 | 浙江嘉利（丽水）工业股份有限公司 | Automobile, automobile lamp and light-emitting structure thereof |
-
2020
- 2020-05-08 CN CN202010389580.3A patent/CN111578220A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012022909A (en) * | 2010-07-15 | 2012-02-02 | Koito Mfg Co Ltd | Lighting fixture for vehicle |
| JP2014007023A (en) * | 2012-06-22 | 2014-01-16 | Stanley Electric Co Ltd | Vehicular lighting fixture |
| KR20190081774A (en) * | 2017-12-29 | 2019-07-09 | 에스엘 주식회사 | lamp for vehicle |
| CN210141552U (en) * | 2019-07-19 | 2020-03-13 | 华域视觉科技(上海)有限公司 | Primary optical element, car lamp module, car lamp and vehicle |
| CN212029391U (en) * | 2020-05-08 | 2020-11-27 | 浙江嘉利（丽水）工业股份有限公司 | Automobile, automobile lamp and light-emitting structure thereof |
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| CB03 | Change of inventor or designer information |
Inventor after: Zhou Xiaowei Inventor after: Wang Fulong Inventor after: Yao Fuyang Inventor after: Fu Maiqin Inventor after: Qi Ouyang Inventor after: Liuqing Inventor before: Zhou Xiaowei Inventor before: Wang Fulong Inventor before: Yao Fuyang Inventor before: Fu Maiqin Inventor before: Qi Ouyang |
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