CN111140782A - Automobile atmosphere lamp - Google Patents
Automobile atmosphere lamp Download PDFInfo
- Publication number
- CN111140782A CN111140782A CN201811307231.1A CN201811307231A CN111140782A CN 111140782 A CN111140782 A CN 111140782A CN 201811307231 A CN201811307231 A CN 201811307231A CN 111140782 A CN111140782 A CN 111140782A
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- CN
- China
- Prior art keywords
- light
- guide plate
- led
- atmosphere lamp
- 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.)
- Pending
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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
- F21S8/00—Lighting devices intended for fixed installation
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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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
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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
- F21V3/00—Globes; Bowls; Cover glasses
- F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
- F21V3/06—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material
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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
- F21V2200/10—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of the optical fibres type
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- 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
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- 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)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses an automobile atmosphere lamp, and belongs to the technical field of automobile lamps. The light guide plate is made into an L shape to conduct light emitted by the LED to the lampshade, leather grains are added on the light emitting surface of the light guide plate to enable the light emitted from the light guide to become an even surface light source, the LED light source and the L-shaped light guide plate are arranged on two sides of the lampshade, even pattern teeth are added on the lampshade, and therefore the atmosphere lamp with evenly lightened pattern teeth can be obtained.
Description
Technical Field
The invention belongs to the technical field of automobile lamps, relates to an automobile indoor lamp, and particularly relates to an atmosphere lamp.
Background
The automobile atmosphere lamp is an illuminating lamp with a decoration effect, can render the atmosphere in the automobile, can improve the grade of the automobile, is popular with the public and becomes popular, and slowly enters the public automobile ranks from the special characteristics of high-grade automobiles. At present, the atmosphere lamp of the automobile basically adopts an LED light source, the shapes of the atmosphere lamp are mostly slender and panel shapes with different shapes, the slender shapes are mostly directly projected or reflected by light guide, and the panel shapes are mostly made of scattering materials. The panel-shaped atmosphere lamp mostly adopts an LED direct projection scheme, and poor uniformity is a big difficulty. In order to realize uniform light emission, the distance between the LED and the panel must be increased, the LED is more densely arranged, the former is limited by the thickness of the whole lamp, the latter increases the cost, and the phenomenon of local uneven brightness at the LED position can be obviously seen when the scheme is lightened, so that the uniformity can not meet the higher evaluation requirement of the automobile industry. The diffusion property that the scattering material transmissivity is high is poor, the light efficiency that the transmissivity is low, and when panel shape atmosphere lamp and room lamp function combination often will require the panel to adopt transparent material, also have host computer factory's direct requirement panel to use transparent material, at this moment we consider to add structure to shelter from LED direct light, use the light guide board and design it to realize the requirement of luminance homogeneity.
Disclosure of Invention
The invention provides an automobile atmosphere lamp structure, which aims to solve the problem that the uniformity is not high when the whole lamp thickness and the whole lamp size of a panel-shaped atmosphere lamp are limited.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
an automobile atmosphere lamp comprises a light guide plate, an LED light source, a lampshade, a decorative ring and a shell; the lampshade comprises a light-transmitting part and a light-proof part, and the light guide plate and the LED light source are arranged at one end or two ends of the light-transmitting part of the lampshade; the decoration ring is arranged between the light-transmitting part of the lampshade and the LED light source, and can be used for shielding direct light of the LED, so that bright spots of the direct light of the LED are avoided, and the lighting uniformity of the atmosphere lamp is improved.
Further, the lampshade is in double-color injection molding, so that a light-transmitting part and a light-proof part of the lampshade are formed.
Furthermore, the light guide plate is of an L-shaped structure, the L-shaped structure enables the LED light source to be arranged without increasing the length of the light-tight part structure of the boundary of the atmosphere lamp and the direct light of the LED to be shielded, a layer of decorative ring can be arranged between the LED light source and the light-transmitting part of the lampshade to shield the direct light of the LED, bright spots of the direct light of the LED are avoided, the lighting uniformity of the atmosphere lamp is improved, meanwhile, the length of the light-tight part structure of the boundary of the atmosphere lamp can be shortened, and the structure is more compact and the appearance is more attractive.
Furthermore, the light inlet surface of the light guide plate is opposite to the LED light source, so that the light emitted by the LED and received by the light guide plate can be improved to the maximum extent and is transmitted to the light outlet surface of the light guide plate.
Furthermore, the light-emitting surface of the light guide plate is opposite to the light-entering end surface of the light-transmitting part of the lamp shade, so that light transmitted from the LED light source to the light-emitting end of the light guide plate can be transmitted into the lamp shade.
Furthermore, the light-emitting surface and the adjacent side surface of the light guide plate are provided with the dermatoglyph which can increase the diffusion of light rays conducted to the light-emitting surface and the adjacent side surface of the light guide plate to all angles, so that the phenomenon that light-transmitting parts of the atmosphere lamps are obviously bright at peripheral positions just opposite to the LEDs and then are lightened is avoided, a uniform surface light source is obtained, and the uniformity of light incident into the lampshade is improved.
Furthermore, gaps are reserved between the side wall of the light-transmitting part of the lampshade and the decorative ring and the light-tight part of the lampshade respectively, so that light which is irradiated to the side wall in the lampshade can be prevented from being absorbed by the decorative ring and the light-tight part of the lampshade when zero-touch zero connection is achieved, and the lighting effect is improved.
Furthermore, the pattern teeth with the same size and the same distance are arranged on the light transmission part surface of the lampshade, when the atmosphere lamp is not lightened, the patterns are uniformly distributed in the light transmission area of the atmosphere lamp, and the pattern teeth can destroy the total reflection of light in the lampshade to enable the light to be refracted at the positions of the teeth, so that the pattern teeth are uniformly lightened when the atmosphere lamp is lightened.
Furthermore, the pattern teeth on the light transmission part of the lampshade are concave teeth or convex teeth, the tooth width is 0.1-0.3mm, and the tooth depth is less than 0.2 mm.
Furthermore, the decorative ring is made of a material with reflection characteristics, so that the overall brightness of the atmosphere lamp can be increased, and the uniformity can be improved.
Furthermore, the LED light source comprises at least one LED lamp bead, at least one inward-concave arc-shaped structure groove is arranged on the light inlet surface of the light guide plate, the arc-shaped structure grooves are right opposite to the LED light source and are in a one-to-one corresponding layout mode, light emitted by the LED light source can diffuse when passing through the light inlet surface of the light guide plate, the uniformity of light of the light outlet surface of the light guide plate is improved, an approximate surface light source is obtained, and therefore the uniformity of patterned teeth of the lamp shade when the lamp shade is lightened is improved.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects:
(1) the automobile atmosphere lamp comprises the light guide plate, the LED light source, the lamp shade, the decorative ring and the shell, wherein the L-shaped light guide plate enables the LED light source to be arranged and direct light of the LED light source to be shielded without increasing the length of the light-tight part structure of the boundary of the atmosphere lamp, but a layer of decorative ring is arranged between the LED light source and the light-transmitting part of the lamp shade to shield the direct light of the LED, so that bright spots of the direct light of the LED are avoided, the lighting uniformity of the atmosphere lamp is improved, and meanwhile, the structural length of the light-tight part structure of the boundary of the atmosphere lamp can be shortened, so that the.
(2) The decorative ring is made of a material with a reflection characteristic, so that the lighting uniformity and the lighting effect of the atmosphere lamp are improved.
(3) The light guide plate is provided with the leather grains on the light-emitting surface and the adjacent side surfaces thereof, and the leather grains can increase the diffusion of light rays transmitted to the light-emitting surface of the light guide plate and the adjacent side surfaces thereof to all angles, thereby avoiding the phenomenon that the LED opposite position is obviously brighter than the peripheral position, obtaining a uniform surface light source and improving the uniformity of light incident into the lampshade.
(4) According to the invention, gaps are respectively reserved between the side wall of the light-transmitting part of the lampshade and the decorative ring and the light-tight part of the lampshade, so that the light which is emitted to the side wall in the lampshade can be prevented from being absorbed by the decorative ring and the light-tight part of the lampshade when zero-touch zero connection is realized, and the light efficiency is improved.
(5) The invention is provided with the pattern teeth with the same size and the same distance on the light transmission part surface of the lampshade, when the atmosphere lamp is not lightened, the patterns are uniformly distributed in the light transmission area of the atmosphere lamp, and the pattern teeth can destroy the total reflection of light in the lampshade to refract the light at the positions of the teeth, thereby realizing the uniform lightening of the pattern teeth when the atmosphere lamp is lightened.
(6) According to the LED lamp shade, the plurality of arc-shaped structure grooves which are concave inwards are arranged on the light inlet surface of the light guide plate and are positioned right opposite to the LED light sources, the arc-shaped structure grooves correspond to the LED light sources on the PCB one by one, the diffusion angle of the LED light sources is increased, the uniformity of light of the light outlet surface of the light guide plate is improved, an approximate surface light source is obtained, and therefore the uniformity of the pattern teeth of the lamp shade is improved when the lamp shade is lightened.
Drawings
FIG. 1 is a schematic view of the structure of an atmosphere lamp in example 1 of the present invention.
Fig. 2 is a schematic sectional view taken along the line a-a in fig. 1.
Fig. 3 is an enlarged schematic view of the L-shaped light guide plate region structure of fig. 2.
Fig. 4 is a schematic sectional view taken along line B-B of fig. 1.
Fig. 5 is an enlarged view of the structure of the side edge region of fig. 4.
Fig. 6 is a schematic view of a position structure of the light guide plate and the LED in embodiment 1 of the present invention.
Fig. 7 is a schematic view of a position structure of the light guide plate and the LEDs in embodiment 2 of the present invention.
Reference numerals
Wherein: 1. the atmosphere lamp comprises an atmosphere lamp body, 2 parts of a light guide plate, 2-1 parts of a light inlet surface, 2-2 parts of a light outlet surface, 2-3 parts of a light outlet surface adjacent side surface, 3 parts of an LED light source, 4 parts of a lamp shade, 4-1 parts of a light transmitting part side wall, 4-2 parts of a light transmitting part, 5 parts of a light-proof part, a decorative ring, 6 parts of a shell.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example 1
The embodiment provides an automobile atmosphere lamp 1, which comprises a light guide plate 2, an LED light source 3, a lampshade 4, a decorative ring 5 and a shell 6, wherein the lampshade 4 is covered on the shell 6, and the light guide plate 2, the LED light source 3 and the decorative ring 5 are arranged between the shell 6 and the lampshade 4. The lamp cover 4 includes a transparent portion 4-1 and an opaque portion 4-2, and as an alternative embodiment of the present invention, the lamp cover 4 forms the transparent portion 4-1 and the opaque portion 4-2 by two-color injection molding, and it should be understood by those skilled in the art that the lamp cover 4 may also be formed into the transparent portion 4-1 and the opaque portion 4-2 by other embodiments, which is not limited thereto.
In this embodiment, two ends of a light-transmitting portion 4-1 of a lamp shade 4 are respectively provided with a light guide plate 2 and an LED light source 3, specifically, the light guide plate 2 is made into an L shape, the light guide plate 2 is clamped in a housing 6, the light guide plate 2 can be directly clamped in the housing 6 by using an elastic deformation portion of the light guide plate 2 and can also be clamped by other clamping members, the LED light source is not limited, the LED light source comprises at least one LED lamp bead, the LED light source is arranged on a PCB board, the PCB board is clamped in the housing 6, further, the light guide plate 2 is installed so that a light-inlet surface 2-1 of the light guide plate 2 faces the LED light source 3, a light-outlet surface 2-2 of the light guide plate 2 faces a light-inlet end surface of the light-transmitting portion 4-1 of the lamp shade 4, so that light emitted from the LED light source 3 received by the light guide, thereby the light output amount of the light transmitting portion 4-1 is increased.
In order to obtain a uniform surface light source, dermatoglyph is added on the light-emitting surface 2-2 and the adjacent side 2-3 of the light-emitting surface of the light guide plate 2, so that light is diffused towards all angles to obtain the uniform surface light source.
The decorative ring 5 in the embodiment is arranged between the light transmission part 4-1 of the lampshade 4 and the LED light source 3, meanwhile, the light guide plate 2 is designed to be in an L-shaped structure, the light guide plate 2 in the L-shaped structure enables people to arrange the LED light source 3 and shield direct light of the LED light source 3 without increasing the structural length of the light transmission part 4-2 of the ambient lamp boundary, but the decorative ring 5 between the LED light source 3 and the light transmission part 4-1 of the lampshade is used for shielding the direct light of the LED, so that bright spots of the direct light of the LED light source 3 are avoided, the lighting uniformity of the ambient lamp is improved, and meanwhile, the structural length of the light transmission part 4-2 of the ambient lamp boundary can be shortened, so that the structure. Preferably, the decorative ring 5 is made of a material with reflective characteristics, so that the overall brightness of the atmosphere lamp 1 can be increased, and the uniformity can be improved.
As an optional implementation manner of the embodiment of the present invention, the light-transmitting portion 4-1 of the lampshade 4 is provided with the same-sized and equally-spaced pattern teeth, when the atmosphere lamp 1 is not lit, the patterns are uniformly distributed in the light-transmitting area of the atmosphere lamp 1, and the pattern teeth can destroy the total reflection of the light in the lampshade 4, so that the light is refracted at the position of the pattern teeth, the atmosphere lamp 1 is uniformly lit when the atmosphere lamp 1 is lit, and the uniformity is improved.
Preferably, as shown in fig. 4 and 5, a gap is left between the side wall 4-1-1 of the light-transmitting part 4-1 and the decorative ring 5 and the light-tight part 4-2 respectively, so that the light which is incident on the side wall 4-1-1 in the lampshade 4 can be prevented from being absorbed by the light-tight part 4-2 and the decorative ring 5 when the zero-touch zero connection is performed, and the light efficiency is improved.
As shown in fig. 6, the light inlet surface 2-1 of the light guide plate 2 of the present embodiment is a plane and faces the LED light source 3.
Example 2
As shown in fig. 7, the structure of the automotive atmosphere lamp 1 of the present embodiment is substantially the same as that of embodiment 1, except that: a plurality of concave arc-shaped structure grooves are formed in the light inlet surface 2-1 of the light guide plate 2, the positions of the arc-shaped structure grooves correspond to the positions of LED lamp beads of LED light sources on a PCB one by one, so that light emitted by the LED light sources 3 is diffused when passing through the light inlet surface 2-1 of the light guide plate 2, the uniformity of light emitting from the light outlet surface 2-2 of the light guide plate 2 is improved, an approximate surface light source is obtained, and the uniform lighting of pattern teeth of a lampshade 4 is improved when the light guide plate is lighted.
It should be noted that the implementation of the present invention on the automotive atmosphere lamp is not limited in any way, and any person skilled in the art may change or modify the technical content disclosed above to effectively implement the same, but any modification or equivalent change and modification made to the above implementation content according to the technical spirit of the present invention still fall within the technical scope of the present invention without departing from the content of the present invention.
Claims (11)
1. An automobile atmosphere lamp (1) comprises a light guide plate (2), an LED light source (3), a lampshade (4), a decorative ring (5) and a shell (6), and is characterized in that: the LED lamp shade is characterized in that the lamp shade (4) comprises a light transmission part (4-1) and a light-tight part (4-2), the light guide plate (2) and the LED light source (3) are arranged at one end or two ends of the light transmission part (4-1) of the lamp shade (4), and the decorative ring (5) is located between the light transmission part (4-1) of the lamp shade (4) and the LED light source (3).
2. The automotive atmosphere lamp (1) according to claim 1, characterized in that: the lampshade (4) is in double-color injection molding.
3. The automotive atmosphere lamp (1) according to claim 1, characterized in that: the light guide plate (2) is of an L-shaped structure.
4. The automotive atmosphere lamp (1) according to claim 1, characterized in that: the light inlet surface (2-1) of the light guide plate (2) is opposite to the LED light source (3).
5. The automotive atmosphere lamp (1) according to claim 1, characterized in that: the light-emitting surface (2-2) of the light guide plate (2) is opposite to the light-entering end surface of the light-transmitting part (4-1).
6. The automotive atmosphere lamp (1) according to claim 1, characterized in that: the light-emitting surface (2-2) and the adjacent side surface (2-3) of the light guide plate (2) are provided with dermatoglyphs.
7. The automotive atmosphere lamp (1) according to claim 1, characterized in that: a gap is reserved between the side wall (4-1-1) of the light transmission part (4-1) and the decorative ring (5); a gap is reserved between the side wall (4-1-1) of the light transmission part (4-1) and the light non-transmission part (4-2).
8. The automotive atmosphere lamp (1) according to claim 1, characterized in that: the light transmission part (4-1) of the lampshade is provided with pattern teeth with the same size and the same distance.
9. The automotive atmosphere lamp (1) according to claim 7, characterized in that: the pattern teeth on the light transmission part (4-1) surface of the lampshade are concave teeth or convex teeth, the tooth width is 0.1-0.3mm, and the tooth depth is less than 0.2 mm.
10. The automotive atmosphere lamp (1) according to claim 1, characterized in that: the decorative ring (5) is made of a material with reflection property.
11. Automotive atmosphere lamp (1) according to any of claims 1-10, characterized in that: the LED light source (3) comprises at least one LED lamp bead, at least one inward-concave arc-shaped structure groove is formed in the light inlet surface (2-1) of the light guide plate (2), and the arc-shaped structure groove is right opposite to the LED light source (3) and is in a one-to-one corresponding layout mode with the LED lamp beads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811307231.1A CN111140782A (en) | 2018-11-05 | 2018-11-05 | Automobile atmosphere lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811307231.1A CN111140782A (en) | 2018-11-05 | 2018-11-05 | Automobile atmosphere lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111140782A true CN111140782A (en) | 2020-05-12 |
Family
ID=70515664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811307231.1A Pending CN111140782A (en) | 2018-11-05 | 2018-11-05 | Automobile atmosphere lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111140782A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114017740A (en) * | 2021-10-11 | 2022-02-08 | 奇瑞汽车股份有限公司 | Automobile lamp light-emitting structure and automobile |
| WO2022073421A1 (en) * | 2020-10-10 | 2022-04-14 | 科博达技术股份有限公司 | Light-guiding illuminated decorative apparatus |
| WO2024037469A1 (en) * | 2022-08-13 | 2024-02-22 | 吉林省中赢高科技有限公司 | Ambient light system controlled by means of wireless network |
-
2018
- 2018-11-05 CN CN201811307231.1A patent/CN111140782A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022073421A1 (en) * | 2020-10-10 | 2022-04-14 | 科博达技术股份有限公司 | Light-guiding illuminated decorative apparatus |
| CN114017740A (en) * | 2021-10-11 | 2022-02-08 | 奇瑞汽车股份有限公司 | Automobile lamp light-emitting structure and automobile |
| CN114017740B (en) * | 2021-10-11 | 2024-03-01 | 奇瑞汽车股份有限公司 | Automobile lamp luminous structure and automobile |
| WO2024037469A1 (en) * | 2022-08-13 | 2024-02-22 | 吉林省中赢高科技有限公司 | Ambient light system controlled by means of wireless network |
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