CN106545813B - Annular halation lamp - Google Patents
Annular halation lamp Download PDFInfo
- Publication number
- CN106545813B CN106545813B CN201710030158.7A CN201710030158A CN106545813B CN 106545813 B CN106545813 B CN 106545813B CN 201710030158 A CN201710030158 A CN 201710030158A CN 106545813 B CN106545813 B CN 106545813B
- Authority
- CN
- China
- Prior art keywords
- light
- guide plate
- light guide
- annular
- lamp
- 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.)
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Links
- 239000012780 transparent material Substances 0.000 claims abstract description 6
- 230000000694 effects Effects 0.000 claims description 9
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 4
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 4
- 238000009792 diffusion process Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 125000001475 halogen functional group Chemical group 0.000 description 5
- 239000003086 colorant Substances 0.000 description 3
- 238000002310 reflectometry Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
-
- 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
- F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
-
- 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
- F21V2200/20—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of a generally planar shape
-
- 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
Abstract
The invention relates to the technical field of lamp light guide, in particular to an annular halation lamp. The light guide plate comprises an upper surface, a lower surface and a side surface, wherein the upper surface and the lower surface cover the light shielding device, the lower surface is provided with a plurality of accommodating cavities for accommodating light sources, and the side surface comprises an annular surface for emitting light to the upper surface direction; the light guide plate is made of transparent materials, and the outer surface of the light guide plate is provided with a white reflecting layer except the annular surface and the inner surface of the accommodating cavity. The annular halation lamp does not need to be matched with a light diffusion lampshade, so that a large amount of light loss is avoided, the number of light sources is reduced, the overall occupied space is small, the structure is simple, the light emission is uniform, and the manufacturing cost of the annular halation lamp is reduced.
Description
Technical Field
The invention relates to the technical field of lamp light guide, in particular to an annular halation lamp.
Background
The annular halation lamp is an automobile lamp capable of emitting a special-shaped annular halation effect and is applied to an automobile exterior trim luminous sign lamp and an automobile interior trim decorative lamp.
The existing annular halation lamp for the automobile is processed by densely arranging light-emitting diodes behind a luminous surface and then matching with a light diffusion lampshade to achieve the uniform halation luminous effect. The disadvantage of such a structure is that the light diffusion lamp shade needs to be matched, so that larger light loss is generated, and a larger number of light emitting diodes are needed to meet the brightness requirement of the annular lamp, so that the occupied space is large, and the manufacturing cost of the annular halation lamp is increased.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the annular halation lamp solves the problem that the existing annular halation lamp needs to be matched with a light diffusion lampshade by improving a light guide structure, so that larger light loss is generated.
In order to solve the technical problems, the invention adopts the following technical scheme: an annular halation lamp comprises a light guide plate and a shading device,
the light guide plate comprises an upper surface, a lower surface and a side surface, wherein the upper surface and the lower surface are covered with a shading device, the lower surface is provided with a plurality of accommodating cavities for accommodating light sources, and the side surface comprises an annular surface for emitting light to the upper surface direction;
the light guide plate is made of transparent materials, and the outer surface of the light guide plate is provided with a white reflecting layer except the annular surface and the inner surface of the accommodating cavity.
The invention has the beneficial effects that: the outer surface of the light guide plate is provided with the white reflecting layer except the inner surface of the containing cavity and the annular surface, the containing cavity is used as the light incident surface of the light guide plate, light of a light source enters the light guide plate through the light incident surface and is subjected to multiple diffuse reflection through the white reflecting layer on the inner surface of the light guide plate, and finally projected out of the annular surface, the white reflecting layer has high reflectivity, light loss can be reduced to the greatest extent, white can reflect visible light of all colors, the original luminous color of the light emitting diode is not interfered, the light is scattered and homogenized after multiple diffuse reflection in the light guide plate, and finally the light presents a halation effect on the annular surface; the annular halation lamp does not need to be matched with a light diffusion lampshade, so that a large amount of light loss is avoided, the number of light sources is reduced, the overall occupied space is small, the structure is simple, the light emission is uniform, and the manufacturing cost of the annular halation lamp is reduced.
Drawings
Fig. 1 is a schematic structural diagram of an annular halo lamp according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of an annular halo lamp according to an embodiment of the present invention;
FIG. 3 is a schematic view of a light guide plate structure of an annular halo lamp according to an embodiment of the present invention;
fig. 4 is a cross-sectional view of a light guide plate and printed board assembly of an annular halo lamp according to an embodiment of the present invention;
FIG. 5 is a schematic view of an annular halo lamp according to embodiment 1 of the present invention mounted on a front grille of an automobile;
description of the reference numerals:
1. a light guide plate; 11. A receiving chamber; 12. An annular surface; 2. A shading device;
21. a light shielding plate; 22. A fixing seat; 3. A printed board assembly; 4. A light emitting diode.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present invention in detail, the following description will be made with reference to the embodiments.
The most critical concept of the invention is as follows: the outer surface of the light guide plate is provided with a white reflecting layer except for the inner surface of the accommodating cavity and the annular surface, the accommodating cavity is used as the light incident surface of the light guide plate, light of the light source enters the inside of the light guide plate through the light incident surface, and the light is subjected to multiple diffuse reflection through the white reflecting layer on the inner surface of the light guide plate and finally is projected out of the annular surface.
Referring to fig. 1 to 5, the present invention provides an annular halation lamp, which comprises a light guide plate 1 and a shading device 2,
the light guide plate 1 comprises an upper surface, a lower surface and a side surface, wherein the upper surface and the lower surface cover the shading device 2, the lower surface is provided with a plurality of accommodating cavities 11 for accommodating light sources, and the side surface comprises an annular surface 12 for emitting light to the upper surface direction;
the light guide plate 1 is made of transparent materials, and the outer surface of the light guide plate 1 is provided with a white reflecting layer except the annular surface 12 and the inner surface of the accommodating cavity 11.
The outer surface of the light guide plate is provided with the white reflecting layer except the inner surface of the containing cavity and the annular surface, the containing cavity is used as the light inlet surface of the light guide plate, light rays of the light source enter the light guide plate through the light inlet surface, multiple diffuse reflections occur through the white reflecting layer on the inner surface of the light guide plate, the light rays are finally projected out of the annular surface, the reflectivity of the white reflecting layer is high, light loss can be reduced to the greatest extent, white light can reflect visible light of all colors, the original luminous color of the light emitting diode is not interfered, the light rays are scattered and homogenized after multiple diffuse reflections in the light guide plate, and finally the light rays show a halation effect on the annular surface; the annular halation lamp does not need to be matched with a light diffusion lampshade, so that a large amount of light loss is avoided, the number of light sources is reduced, the overall occupied space is small, the structure is simple, the light emission is uniform, and the manufacturing cost of the annular halation lamp is reduced.
Further, the accommodating cavity 11 is shaped as an inward concave arc.
As can be seen from the above description, the accommodating cavity is designed into an inward concave arc shape, so that the light generated by the light source is more uniformly projected into the light guide plate, and the brightness uniformity of the annular halation lamp is further improved.
Further, the light shielding device 2 comprises a light shielding plate 21 and a fixing seat 22, wherein the light shielding plate 21 covers the upper surface; the fixing base 22 covers the lower surface.
Further, the fixing base 22 is internally provided with a printed board assembly 3, the printed board assembly 3 is provided with a plurality of light emitting diodes 4, and the light source is the light emitting diodes 4.
Further, the fixing base 22 is provided with a fixing device for fixedly connecting with an automobile front grille or an automobile interior.
As can be seen from the above description, the light shielding device includes a light shielding plate for shielding light from the upper surface and a fixing base for shielding light from the lower surface, so as to prevent light from leaking out and affect the halation effect; the printed board assembly is arranged in the fixing seat, the light emitting diode is integrated on the printed board, the light emitting diode is used as a light source, the positioning of the light emitting diode is facilitated, the light source of the light emitting diode is ensured to be completely projected from the light incident surface of the light guide plate into the light guide plate, and the light loss is further reduced; the fixing seat is designed with a fixing device according to different vehicle types and different fixing positions, such as a front grille or an automobile interior trim, so that the annular halation lamp is firmly fixed at different positions of the automobile.
Further, the light guide plate 1 is made of transparent PC or transparent PMMA.
Further, the annular halation lamp comprises a light guide plate and a shading device,
the light guide plate comprises an upper surface, a lower surface and a side surface, wherein the upper surface and the lower surface are covered with a shading device, the lower surface is provided with a plurality of accommodating cavities for accommodating light sources, and the side surface comprises an annular surface for emitting light to the upper surface direction;
the light guide plate is made of transparent materials, and white reflecting layers are arranged on the outer surface of the light guide plate except the annular light emitting surface and the inner surface of the light source accommodating cavity;
the accommodating cavity is in an inward concave arc shape;
the shading device comprises a shading plate and a fixed seat, and the shading plate covers the upper surface; the fixed seat covers the lower surface;
the printed board assembly is arranged in the fixing seat, a plurality of light emitting diodes are arranged on the printed board assembly, and the light source is a light emitting diode;
the fixing seat is provided with a fixing device for fixedly connecting an automobile front grille or an automobile interior;
the light guide plate is made of transparent PC or transparent PMMA.
Example 1
Referring to fig. 5, an annular halation lamp is fixed on an automobile front grille;
the annular halation lamp comprises a light guide plate and a shading device, wherein the light guide plate comprises an upper surface, a lower surface and a side surface, the upper surface and the lower surface are covered with the shading device, the lower surface is provided with a plurality of accommodating cavities for accommodating light sources, and the side surface comprises an annular surface for emitting light to the upper surface;
the light guide plate is made of transparent materials, and white reflecting layers are arranged on the outer surface of the light guide plate except the annular light emitting surface and the inner surface of the light source accommodating cavity;
the accommodating cavity is in an inward concave arc shape;
the shading device comprises a shading plate and a fixed seat, and the shading plate covers the upper surface; the fixed seat covers the lower surface;
the printed board assembly is arranged in the fixing seat, a plurality of light emitting diodes are arranged on the printed board assembly, and the light source is a light emitting diode;
the fixing seat is provided with a fixing device for fixedly connecting the automobile front grille;
the light guide plate is made of transparent PC or transparent PMMA.
In summary, the outer surface of the light guide plate is provided with the white reflecting layer except the inner surface of the accommodating cavity and the annular surface, the accommodating cavity is used as the light incident surface of the light guide plate, light of the light source enters the light guide plate through the light incident surface, multiple diffuse reflection occurs through the white reflecting layer on the inner surface of the light guide plate, finally, the light is projected out of the annular surface, the reflectivity of the white reflecting layer is high, the light loss can be reduced to the greatest extent, the white can reflect visible light of all colors, the original luminous color of the light emitting diode is not interfered, the light is scattered and homogenized after multiple diffuse reflection in the light guide plate, and finally, the light presents a halation effect on the annular surface; the annular halation lamp does not need to be matched with a light diffusion lampshade, so that a large amount of light loss is avoided, the number of light sources is reduced, the overall occupied space is small, the structure is simple, the light emission is uniform, and the manufacturing cost of the annular halation lamp is reduced. The accommodating cavity is designed into an inward concave arc shape, so that light generated by the light source is more uniformly projected into the light guide plate, and the brightness uniformity of the annular halation lamp is further improved. The shading device comprises a shading plate and a fixing seat, wherein the shading plate is used for shading the upper surface, and the fixing seat is used for shading the lower surface to prevent light from leaking and influence the halation effect; the printed board assembly is arranged in the fixing seat, the light emitting diode is integrated on the printed board, the light emitting diode is used as a light source, the positioning of the light emitting diode is facilitated, the light source of the light emitting diode is ensured to be completely projected from the light incident surface of the light guide plate into the light guide plate, and the light loss is further reduced; the fixing seat is designed with a fixing device according to different vehicle types and different fixing positions, such as a front grille or an automobile interior trim, so that the annular halation lamp is firmly fixed at different positions of the automobile.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent modifications made by the teachings of the present invention, or direct or indirect application in the relevant art, are intended to be included within the scope of the present invention.
Claims (1)
1. An annular halation lamp is characterized by comprising a light guide plate and a shading device,
the light guide plate comprises an upper surface, a lower surface and a side surface, wherein the upper surface and the lower surface are covered with a shading device, the lower surface is provided with a plurality of accommodating cavities for accommodating light sources, the side surface comprises an annular surface for emitting light towards the upper surface, and the annular surface can show a halation effect after light is led in and diffused and homogenized in the light guide plate;
the light guide plate is made of transparent material, the outer surface of the light guide plate is provided with a white reflecting layer except the annular light emitting surface and the inner surface of the light source accommodating cavity, light of the light source enters the light guide plate through the accommodating cavity, and is subjected to multiple diffuse reflection through the white reflecting layer on the inner surface of the light guide plate, and finally is projected out from the annular surface;
the accommodating cavity is in an inward concave arc shape;
the shading device comprises a shading plate and a fixed seat, and the shading plate covers the upper surface; the fixed seat covers the lower surface;
the printed board assembly is arranged in the fixing seat, a plurality of light emitting diodes are arranged on the printed board assembly, and the light source is a light emitting diode;
the fixing seat is provided with a fixing device for fixedly connecting an automobile front grille or an automobile interior;
the light guide plate is made of transparent PC or transparent PMMA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710030158.7A CN106545813B (en) | 2017-01-16 | 2017-01-16 | Annular halation lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710030158.7A CN106545813B (en) | 2017-01-16 | 2017-01-16 | Annular halation lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106545813A CN106545813A (en) | 2017-03-29 |
| CN106545813B true CN106545813B (en) | 2024-01-19 |
Family
ID=58398780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710030158.7A Active CN106545813B (en) | 2017-01-16 | 2017-01-16 | Annular halation lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106545813B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108224243B (en) * | 2018-01-23 | 2023-12-15 | 福州丹诺西诚电子科技有限公司 | Tube lamp |
| CN108227070B (en) * | 2018-01-25 | 2020-03-17 | 深圳创维－Rgb电子有限公司 | Light guide structure and display device |
| CN108444200B (en) * | 2018-05-22 | 2020-04-07 | 海信（山东）冰箱有限公司 | Decorative lamp mounting structure and refrigerator |
| CN114593382A (en) * | 2020-12-30 | 2022-06-07 | 深圳市合瑞软件有限公司 | Automobile trim board assembly and automobile |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1566687A1 (en) * | 2004-02-20 | 2005-08-24 | ETA SA Manufacture Horlogère Suisse | Backlight device for display element |
| CN201484317U (en) * | 2009-09-16 | 2010-05-26 | 施仁杰 | Luminous automobile mark and luminous subassembly thereof |
| CN201792811U (en) * | 2010-08-25 | 2011-04-13 | 佳欣汽车用品股份有限公司 | Light-emitting automobile sign |
| JP2014225337A (en) * | 2013-05-15 | 2014-12-04 | 日立アプライアンス株式会社 | Illumination device |
-
2017
- 2017-01-16 CN CN201710030158.7A patent/CN106545813B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1566687A1 (en) * | 2004-02-20 | 2005-08-24 | ETA SA Manufacture Horlogère Suisse | Backlight device for display element |
| CN201484317U (en) * | 2009-09-16 | 2010-05-26 | 施仁杰 | Luminous automobile mark and luminous subassembly thereof |
| CN201792811U (en) * | 2010-08-25 | 2011-04-13 | 佳欣汽车用品股份有限公司 | Light-emitting automobile sign |
| JP2014225337A (en) * | 2013-05-15 | 2014-12-04 | 日立アプライアンス株式会社 | Illumination device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106545813A (en) | 2017-03-29 |
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