CN113983425B - Light guide structure capable of being uniformly lighted, slender light guide and atmosphere lamp mounting structure - Google Patents
Light guide structure capable of being uniformly lighted, slender light guide and atmosphere lamp mounting structure Download PDFInfo
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- CN113983425B CN113983425B CN202111265354.5A CN202111265354A CN113983425B CN 113983425 B CN113983425 B CN 113983425B CN 202111265354 A CN202111265354 A CN 202111265354A CN 113983425 B CN113983425 B CN 113983425B
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- 230000007704 transition Effects 0.000 claims description 6
- 238000005286 illumination Methods 0.000 claims description 5
- 241000258971 Brachiopoda Species 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims description 2
- 230000000007 visual effect Effects 0.000 abstract description 4
- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 description 4
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0005—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type
- G02B6/001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type the light being emitted along at least a portion of the lateral surface of the fibre
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
-
- 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
- F21W2106/00—Interior vehicle lighting devices
-
- 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]
Abstract
The invention discloses a light guide structure capable of being uniformly lightened, an elongated light guide and an atmosphere lamp mounting structure, wherein a mixed light lighting section of the light guide structure consists of at least two mixed light lighting branched pipes which are all of solid tubular structures, light inlet ends of the mixed light lighting branched pipes are all coupled with light outlet ends of the light inlet sections, and light outlet ends of the mixed light lighting branched pipes are all coupled with light inlet ends of a main lighting section. By adopting the technical scheme, the light mixing lighting section of the light guide structure is designed to be a plurality of light mixing lighting branched pipes, so that the light inlet loss is greatly reduced, the brightness and the irradiation range of the light mixing lighting section are effectively increased, the brightness of the light mixing lighting section is ensured to be consistent with that of the main lighting section, the whole uniform lighting of the slender light guide is realized, the whole lighting uniformity of the atmosphere lamp is further realized, the visual angle effect of the atmosphere lamp is improved, and meanwhile, the atmosphere lamp mounting structure is simple and reliable.
Description
Technical Field
The invention relates to the technical field of interior small lamp parts, in particular to a light guide structure capable of being uniformly lightened, an elongated light guide and an atmosphere lamp mounting structure.
Background
With the gradual improvement of requirements of people on automobile functionality and technological sense, more and more automobile types increase atmosphere lamp designs, and the application range of the linear atmosphere lamp is the widest.
The linear atmosphere lamp emits light mainly by lighting the linear light guide with the LED. The linear light guide comprises a light inlet section, a mixed light lighting section and a main lighting section which are sequentially connected, wherein the mixed light lighting section is mainly used for mixing light, and meanwhile, the mixed light lighting section can be lighted, and forms a linear lamp strip effect together with the main lighting section.
The existing mixed light lighting section can ensure full light mixing through a design similar to a spiral line structure, so that the brightness of the main lighting section is uniform, but due to the problem of structural design, not only is the light inlet loss larger, so that the whole brightness and the irradiation range are insufficient, but also the brightness of the mixed light lighting section is obviously lower than the brightness of the main lighting section, so that the whole lighting uniformity of the linear light guide is poor.
Solving the above problems is urgent.
Disclosure of Invention
In order to solve the technical problems, the invention provides a light guide structure capable of being uniformly lightened, an elongated light guide and an atmosphere lamp mounting structure.
The technical scheme is as follows:
the utility model provides a light guide structure that can evenly light, includes the section of light inlet, mixed light bright segment and the main bright segment that connects gradually, the section of light inlet and the main bright segment are solid tubular structure, its characterized in that: the light mixing and lighting section comprises at least two light mixing and lighting branched pipes which are of solid tubular structures, light inlet ends of the light mixing and lighting branched pipes are all coupled to light outlet ends of the light inlet section, light outlet ends of the light mixing and lighting branched pipes are all coupled to light inlet ends of the main lighting section, diffuse reflection structures are arranged on the main lighting section and the light mixing and lighting branched pipes, and the diffuse reflection structures are formed on the same side surfaces of the main lighting section and the light mixing and lighting branched pipes.
By adopting the structure, the traditional mixed light lighting section is divided into a plurality of mixed light lighting branch pipes, so that the light inlet loss is greatly reduced, the brightness and the irradiation range of the mixed light lighting section are effectively increased, the brightness of the mixed light lighting section is ensured to be consistent with the brightness of the main light lighting section, and the mixed light lighting section and the main light lighting section are uniformly lighted.
As preferable: the light inlet section, the main lighting section and the mixed light lighting branch pipes are integrally formed.
By adopting an integrated forming mode, the light inlet loss of the joint of each section can be further reduced, so that the lighting uniformity of the mixed lighting section and the main lighting section is further ensured.
As preferable: the junction of the light inlet section and each mixed light branched light pipe is in smooth transition, and the junction of the main light section and each mixed light branched light pipe is in smooth transition.
By adopting the structure, the light incoming loss at the joint of each section can be further reduced, so that the lighting uniformity of the mixed lighting section and the main lighting section is further ensured.
As preferable: and connecting reinforcing ribs are integrally formed between adjacent mixed light point light branch pipes.
By adopting the structure, the structure strength and the connection strength of the light mixing and lighting branch pipe with a smaller diameter can be improved, the service life of the light guide is prolonged, the possibility of deformation of the light mixing and lighting branch pipe can be reduced, and the lighting effect of the light guide is ensured.
As preferable: the connecting reinforcing ribs extend along the length direction of the adjacent mixed light branched light pipes and block gaps between the corresponding mixed light branched light pipes.
By adopting the structure, the structural strength and the connection strength of the mixed light point lighting branched pipe are increased as much as possible, meanwhile, light leakage can be reduced, and the lighting uniformity is ensured.
As preferable: the both sides of main lighting section respectively integrated into one piece have along the location anti-rotation muscle that main lighting section length direction extended.
By adopting the structure, the light guide can be simply and accurately positioned on the atmosphere lamp shell during installation, deflection is effectively prevented, and the lamp effect of the atmosphere lamp is ensured.
As preferable: the two positioning anti-rotation ribs respectively extend to the two light mixing point lightening branch pipes at the outermost side.
By adopting the structure, the light mixing lighting section can play a role in positioning, supporting and preventing rotation, and the connection strength between the light mixing lighting section and the main lighting section can be further improved.
As preferable: the diameters of the mixed light lighting branch pipes are smaller than the diameter of the main lighting section.
With the above structure, the brightness of the mixed lighting section is consistent with that of the main lighting section, and the mixed lighting section and the main lighting section are uniformly lighted.
An elongate light guide, comprising: the LED lamp comprises the main lighting section, wherein the two ends of the main lighting section are sequentially connected with the mixed light lighting section and the light inlet section.
By adopting the structure, the whole brightness of the slender main lighting section is ensured to be consistent through the light entering mode at two ends, the lighting uniformity is good, and the mixed lighting section is designed into a plurality of mixed lighting branch pipes, so that the light entering loss is greatly reduced, the brightness and the irradiation range of the mixed lighting section are effectively increased, the brightness of the mixed lighting section is ensured to be consistent with the brightness of the main lighting section, and the whole uniform lighting of the slender light guide is realized.
An atmosphere lamp mounting structure, its main points lie in: including atmosphere lamp casing, foretell slender light guide and install two PCBA on the atmosphere lamp casing, slender light guide installs on the atmosphere lamp casing, two the LED of PCBA is towards the light-admitting terminal surface that corresponds the light-admitting section respectively.
By adopting the structure, the mounting structure is simple and reliable, the overall lighting uniformity of the atmosphere lamp is good, and the visual angle effect of the atmosphere lamp is improved.
Compared with the prior art, the invention has the beneficial effects that:
by adopting the technical scheme, the light guide structure capable of being uniformly lightened, the slender light guide and the atmosphere lamp mounting structure are characterized in that the mixed light lighting section of the light guide structure is designed to be a plurality of mixed light lighting branched pipes, so that the light inlet loss is greatly reduced, the brightness and the irradiation range of the mixed light lighting section are effectively increased, the brightness of the mixed light lighting section is ensured to be consistent with the brightness of the main lighting section, the slender light guide is uniformly lightened integrally, the overall lighting uniformity of the atmosphere lamp is further realized, the visual angle effect of the atmosphere lamp is improved, and meanwhile, the atmosphere lamp mounting structure is simple and reliable.
Drawings
FIG. 1 is a schematic view of one view of an atmosphere lamp mounting structure;
FIG. 2 is a schematic view of another view of an atmosphere lamp mounting structure;
FIG. 3 is a schematic view of one view of an ambient light housing;
FIG. 4 is a schematic view of another view of an ambient light housing;
FIG. 5 is a schematic view of an elongate light guide with one view angle;
FIG. 6 is a schematic view of another view of an elongate light guide;
FIG. 7 is a schematic view of a light guide structure;
FIG. 8 is a schematic diagram of the illumination range of a conventional mixed-light illumination section;
fig. 9 is a schematic view of the illumination range of the mixed light bright segment of the present invention.
Detailed Description
The invention is further described below with reference to examples and figures.
As shown in fig. 5 to 7, a light guide structure capable of being uniformly lighted mainly includes a light inlet section 1, a mixed light lighting section 2, and a main lighting section 3 connected in this order. The light inlet section 1 has the function of light inlet, namely, the end face of one end of the light inlet section 1 far away from the mixed light illumination section 2 is opposite to the LED5a. The main function of the mixed light lighting section 2 is to mix light while also being able to light. The main lighting section 3 functions to light up, and exhibits a linear lighting effect together with the mixed lighting section 2.
The light inlet section 1 and the main lighting section 3 are both solid tubular structures, the light mixing lighting section 2 is composed of at least two light mixing lighting branched pipes 2a, and the light mixing lighting branched pipes 2a are also solid tubular structures. Wherein, the light inlet end of each mixed light branch pipe 2a is coupled to the light outlet end of the light inlet section 1, the light outlet end of each mixed light branch pipe 2a is coupled to the light inlet end of the main light section 3, and the diffuse reflection structures 4 are formed on the same side surfaces of the main light section 3 and each mixed light branch pipe 2a, specifically, the diffuse reflection structures 4 are formed on one side surface of the main light section 3 and each mixed light branch pipe 2a far away from the light emitting surface, thereby improving the uniformity of light guide luminescence.
Therefore, referring to fig. 8 and 9, compared with the conventional single-structure mixed lighting segment 2, the present embodiment not only greatly reduces light-entering loss, effectively increases the brightness and irradiation range of the mixed lighting segment 2, but also can ensure that the brightness of the mixed lighting segment 2 is consistent with the brightness of the main lighting segment 3, and realizes uniform lighting of the mixed lighting segment 2 and the main lighting segment 3 by designing the mixed lighting segment 2 into a plurality of mixed lighting branch pipes 2 a.
Referring to fig. 6, the diffuse reflection structure 4 may be an optical tooth structure or a frosted or skin-like structure, wherein the optical tooth structure has a plurality of forms, and may be any structure such as rectangular teeth, oval teeth, double rows of teeth, etc., while the diffuse reflection structure 4 adopts the frosted or skin-like structure, so that the light emitted by the light guide is uniform and soft, an excellent diffuse reflection effect is formed, and no light tooth and bright spot phenomenon is generated, thereby greatly improving the viewing angle effect of the atmosphere lamp.
Referring to fig. 5-7, in the present embodiment, the light inlet section 1, the main lighting section 3 and each mixed light lighting branch pipe 2a are preferably manufactured in an integrally formed manner, so that light inlet loss at the connection position of each section can be further reduced, and thus the lighting uniformity of the mixed light lighting section 2 and the main lighting section 3 is further ensured.
Further, the junction of the light inlet section 1 and each mixed light lighting branch pipe 2a is in smooth transition, and the junction of the main lighting section 3 and each mixed light lighting branch pipe 2a is in smooth transition, so that the light inlet loss of the junction of each section can be further reduced, and the lighting uniformity of the mixed light lighting section 2 and the main lighting section 3 is further ensured.
Referring to fig. 7, connection ribs 2b are integrally formed between adjacent mixed light branch pipes 2a, and the connection ribs 2b extend along the length direction of the adjacent mixed light branch pipes 2a and close gaps between the corresponding mixed light branch pipes 2 a. Not only can promote the structural strength and the joint strength of the light mixing and lighting branch pipe 2a that the diameter is finer, prolong the life of light guide, can reduce the possibility that the light mixing and lighting branch pipe 2a takes place deformation moreover, ensure the lighting effect of light guide, simultaneously, the length of the light mixing and lighting branch pipe 2a is increased as far as possible, can further promote the structural strength and the joint strength of the light mixing and lighting section 2, simultaneously can reduce the light leak, guarantee the homogeneity of lighting.
Referring to fig. 5 and 7, two sides of the main lighting section 3 are integrally formed with positioning anti-rotation ribs 3a extending along the length direction of the main lighting section 3, so that the light guide can be simply and accurately positioned on the atmosphere lamp housing during installation, deflection is effectively prevented, and the lamp efficiency of the atmosphere lamp is ensured. Meanwhile, a plurality of outwards-protruding positioning protruding points 3a1 are distributed on the outer edge of the positioning anti-rotation rib 3a, so that the light guide can be better installed and positioned on the atmosphere lamp shell 6, and the effect of preventing assembly errors can be achieved, and the novel positioning anti-rotation rib is simple, easy to use and reliable.
Further, the two positioning anti-rotation ribs 3a extend to the two light mixing lighting branched pipes 2a at the outermost side respectively, so that the light mixing lighting section 2 can be positioned, supported and prevented from rotating, and the connection strength between the light mixing lighting section 2 and the main lighting section can be further improved.
Referring to fig. 7, the diameters of the mixed light branched light emitting tubes 2a are smaller than the diameter of the main light emitting segment 3, and the diameters of the mixed light branched light emitting tubes 2a are smaller than the diameter of the Yu Jin light emitting segment 1, and the diameter of the light inlet segment 1 is smaller than the diameter of the main light emitting segment 3. Through such design, not only can make the luminance of mixing the bright segment 2 with the bright segment 3 of main light unanimous, realize mixing the bright segment 2 with the bright segment 3 of main light evenly and light, can promote mixing the bright segment 2 with the bright segment 3 of main light as far as in addition and shine the scope, promote the lamp efficiency of atmosphere lamp.
Referring to fig. 5 and 6, an elongated light guide includes the main lighting section 3, and the mixed lighting section 2 and the light inlet section 1 are sequentially connected to two ends of the main lighting section 3. Because the length of the light guide of the existing linear atmosphere lamp is longer, if only one end of the light guide is adopted for light entering, the problem of poor uniformity of the whole light guide is easy to occur due to the problem of light attenuation. Therefore, the light entering mode at two ends of the embodiment not only can ensure that the overall brightness of the slender main lighting section 3 is consistent and the lighting uniformity is good, but also greatly reduces the light entering loss, effectively increases the brightness and the irradiation range of the mixed lighting section 2, and can ensure that the brightness of the mixed lighting section 2 is consistent with the brightness of the main lighting section 3 to realize the overall uniform lighting of the slender light guide by designing the mixed lighting section 2 into a plurality of mixed lighting branch pipes 2 a.
Referring to fig. 1-4, an atmosphere lamp mounting structure includes an atmosphere lamp housing 6, the above-mentioned elongated light guide and two PCBAs 5 mounted on the atmosphere lamp housing 6, the elongated light guide is mounted on the atmosphere lamp housing 6, and LEDs 5a of the two PCBAs 5 are respectively directed to light inlet end faces of the corresponding light inlet section 1.
Specifically, the front surface of the atmosphere lamp housing 6 is formed with a light guide accommodating groove 6a, two ends of the light guide accommodating groove 6a are provided with light guide through holes 6a1 communicated with the back surface of the atmosphere lamp housing 6, the back surface of the atmosphere lamp housing 6 is provided with a light guide positioning groove 6c, the bottom of the light guide positioning groove 6c is provided with a light inlet section supporting seat 6c2 which is matched with the light inlet section 1 of the light guide, and the tops of groove walls on two sides of the light guide positioning groove 6c are provided with limiting clips 6c1 which are matched with the mixed light lighting branch pipes 2 a.
The whole main lighting section 3 and most of the mixed light lighting section 2 of the light guide are embedded into the light guide accommodating groove 6a, the mixed light lighting section 2 passes through the light guide through hole 6a1 and then is embedded into the light guide positioning groove 6c, wherein the two outermost mixed light lighting branch pipes 2a are respectively clamped and matched with the corresponding limiting clamps 6c1, and the light inlet section 1 of the light guide is embedded into the light inlet section supporting seat 6c 2.
Correspondingly, the back of the atmosphere lamp housing 6 is provided with a PCBA mounting groove 6b which is matched with the PCBA5, and when the PCBA5 is embedded into the PCBA mounting groove 6b, the LEDs 5a of the PCBA5 are opposite to the light inlet end face of the light inlet section 1.
By above structural design, the mounting structure of atmosphere lamp is simple reliable, and the holistic homogeneity that lights of atmosphere lamp is good, has promoted the visual angle effect of atmosphere lamp.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and that many similar changes can be made by those skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (5)
1. A light guide structure capable of being uniformly lit, characterized by: the light source comprises a light inlet section, a mixed light lighting section and a main lighting section which are sequentially connected; the end face of one end of the light inlet section, which is far away from the mixed light illumination section, is opposite to the LED; the main lighting section and the mixed lighting section together show a linear lighting effect;
the light inlet section and the main lighting section are both solid tubular structures, the light mixing lighting section consists of at least two light mixing lighting branched pipes, and the light mixing lighting branched pipes are also both solid tubular structures; the light inlet ends of the light mixing and lighting branched pipes are coupled to the light outlet ends of the light inlet sections, the light outlet ends of the light mixing and lighting branched pipes are coupled to the light inlet ends of the main lighting section, diffuse reflection structures are arranged on the main lighting section and the light mixing and lighting branched pipes, and the diffuse reflection structures are formed on the surfaces of the main lighting section and the light mixing and lighting branched pipes, which are far away from the light emitting surface;
the diffuse reflection structure is an optical tooth or frosted or dermatoglyph structure;
the light inlet section, the main lighting section and the mixed light lighting branch pipes are manufactured in an integrated mode;
the joint of the light inlet section and each mixed light point light branch pipe is in smooth transition, and the joint of the main light point section and each mixed light point light branch pipe is in smooth transition;
connecting reinforcing ribs are integrally formed between adjacent light-mixing light-emitting branched pipes, extend along the length direction of the adjacent light-mixing light-emitting branched pipes, and block gaps between the corresponding light-mixing light-emitting branched pipes;
the diameters of the mixed light-emitting branched pipes are smaller than the diameter of the main lighting section, the diameters of the mixed light-emitting branched pipes are smaller than the diameter of the Yu Jin light section, and the diameter of the light inlet section is smaller than the diameter of the main lighting section.
2. The uniformly illuminable light guide structure according to claim 1, wherein: the both sides of main lighting section respectively integrated into one piece have along the location anti-rotation muscle that main lighting section length direction extended.
3. The uniformly illuminable light guide structure according to claim 2, wherein: the two positioning anti-rotation ribs respectively extend to the two light mixing point lightening branch pipes at the outermost side.
4. An elongate light guide, characterized by: a main lighting segment comprising any one of claims 1-3, wherein both ends of the main lighting segment are sequentially connected with the mixed light lighting segment and the light inlet segment of any one of claims 1-3.
5. An atmosphere lamp mounting structure, its characterized in that: the LED lamp comprises an atmosphere lamp shell, the slender light guide of claim 4 and two PCBA (printed circuit board assembly) mounted on the atmosphere lamp shell, wherein the LEDs of the two PCBA are respectively oriented to the light inlet end faces of the corresponding light inlet sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111265354.5A CN113983425B (en) | 2021-10-28 | 2021-10-28 | Light guide structure capable of being uniformly lighted, slender light guide and atmosphere lamp mounting structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111265354.5A CN113983425B (en) | 2021-10-28 | 2021-10-28 | Light guide structure capable of being uniformly lighted, slender light guide and atmosphere lamp mounting structure |
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| Publication Number | Publication Date |
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| CN113983425A CN113983425A (en) | 2022-01-28 |
| CN113983425B true CN113983425B (en) | 2023-11-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115164119B (en) * | 2022-07-14 | 2023-11-03 | 重庆睿博光电股份有限公司 | Split super-long stereoscopic linear atmosphere lamp |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443819A (en) * | 2018-02-13 | 2018-08-24 | 上海小糸车灯有限公司 | A kind of car headlight device and its means of illumination of multifunctional multiplexing |
| US10386571B1 (en) * | 2015-02-26 | 2019-08-20 | Cooper Technologies Company | Apparatus for coupling light into lightguides |
| CN110692003A (en) * | 2017-05-04 | 2020-01-14 | Nkt光子学有限公司 | Light system for providing light |
| CN215929477U (en) * | 2021-10-28 | 2022-03-01 | 重庆睿博光电股份有限公司 | Light guide structure with uniform brightness, slender light guide and atmosphere lamp mounting structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005107363A2 (en) * | 2004-04-30 | 2005-11-17 | Oy Modilis Ltd. | Ultrathin lighting element |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10386571B1 (en) * | 2015-02-26 | 2019-08-20 | Cooper Technologies Company | Apparatus for coupling light into lightguides |
| CN110692003A (en) * | 2017-05-04 | 2020-01-14 | Nkt光子学有限公司 | Light system for providing light |
| CN108443819A (en) * | 2018-02-13 | 2018-08-24 | 上海小糸车灯有限公司 | A kind of car headlight device and its means of illumination of multifunctional multiplexing |
| CN215929477U (en) * | 2021-10-28 | 2022-03-01 | 重庆睿博光电股份有限公司 | Light guide structure with uniform brightness, slender light guide and atmosphere lamp mounting structure |
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