CN207349877U - A kind of light diffusion structure of automobile lamp - Google Patents
A kind of light diffusion structure of automobile lamp Download PDFInfo
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- CN207349877U CN207349877U CN201720508442.6U CN201720508442U CN207349877U CN 207349877 U CN207349877 U CN 207349877U CN 201720508442 U CN201720508442 U CN 201720508442U CN 207349877 U CN207349877 U CN 207349877U
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- light
- diffusion part
- diffusion
- light guide
- incidence surface
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Abstract
The utility model provides a kind of light diffusion structure of automobile lamp, including LED light and interior lens, the interior lens includes the incidence surface of one end and the line shape light-emitting area of the other end, is diffusion part between incidence surface and line the shape light-emitting area, further include light guide, the LED light is towards one end of light guide；Diffusion part includes first, second diffusion part, incidence surface is located at the side of the first diffusion part, line shape light-emitting area is located at the side of the second diffusion part, at an acute angle or right angle between first diffusion part and the second diffusion part, the intersection location of first diffusion part and the second diffusion part is equipped with reflecting surface, the interior lens is set along the length direction of light guide, and the incidence surface is towards the light guide.Interior lens in the utility model is bending structure, and light is expanded by light guide by first, the diffusion twice of the second diffusion part, and the light after diffusion can be spread more uniform, i.e. lighting uniformity is more preferable, and avoids the generation of dark space.
Description
Technical field
It the utility model is related to automobile lamp, more particularly to a kind of light diffusion structure of automobile lamp.
Background technology
With the development of car light technology, LED light source adds focalizer to realize that each function is no longer the patent of high-end vehicle, more
Come more ordinary vehicle types in order to realize the variation of moulding, also begin to realize each function with this mode.But by mould
The limitation of tool and LED light angle, currently used focalizer all compare small size, this feature makes the moulding of lamps and lanterns
It is very restricted, each light-emitting area can only be limited on smaller area.In addition, if focalizer is excessive, LED light
Angle is inadequate, and lighting dark space occurs in focalizer periphery.
As shown in Figures 1 and 2, it is for a kind of car light light diffusion structure with LED and focalizer, the focalizer
Interior lens, LED102 are installed in assist side 101, incidence surfaces of the LED102 towards interior lens 103.Under this configuration,
The light that LED102 is sent is directed through interior lens 103, is then spread apart and gets out by the pattern portion on interior lens 103,
Light only passes through One Diffusion Process, its diffusion angle is smaller, and uniformity is comparatively poor, i.e. the lighting uniformity of car light is poor.
Due to the above problems, preventing LED to add the technology of focalizer, from giving full play to its advantage on car light, it makes
It is greatly reduced with popularity.Therefore, how to make improvements is those skilled in the art's technical issues that need to address.
Utility model content
The technical problems to be solved in the utility model is that providing a kind of light for allowing automobile lamp spreads more uniform, light
The more preferable diffusion structure of line, the defects of to overcome in the prior art.
In order to solve the above-mentioned technical problem, the utility model adopts the following technical solution：A kind of light of automobile lamp expands
Dissipating bind structure, including LED light and interior lens, in the circuit board, the interior lens enters light including one end for the LED light installation
Face and the line shape light-emitting area of the other end, are diffusion part between incidence surface and line the shape light-emitting area, further include light guide, the LED
Lamp is towards one end of light guide；The diffusion part includes the first diffusion part and the second diffusion part, and the incidence surface is positioned at the first diffusion
The side in portion, the line shape light-emitting area are located at the side of the second diffusion part, are between first diffusion part and the second diffusion part
The intersection location of acute angle or right angle, the first diffusion part and the second diffusion part is equipped with reflecting surface, and the interior lens is along light guide
Length direction is set, and the incidence surface is towards the light guide.
Preferably, the incidence surface is the arcwall face being inwardly recessed.
Preferably, between first diffusion part and the second diffusion part at right angles, the reflecting surface is spread with first respectively
Portion and the second diffusion part are in 45 degree of settings.
Preferably, the end of the light guide is inwardly recessed to form groove, and the LED light is towards the groove.
Preferably, the reflecting surface is line shape reflecting surface.
As described above, a kind of light diffusion structure of automobile lamp of the utility model, has the advantages that：
Interior lens in the utility model is bending structure, it includes the first diffusion part and the second diffusion part, and light leads to
Twice diffusion of the light guide by the first diffusion part and the second diffusion part is crossed, the light after diffusion can be spread more uniform,
The place that former no light reaches can also be illuminated after diffusion twice by light, and lighting uniformity is more preferable, and avoid dark
The generation in area.The utility model is to transmit light by light guide, reduces the use of LED light, has saved cost.
Brief description of the drawings
Fig. 1 is the light diffusion structure of prior art automobile lamp.
Fig. 2 is schematic diagram at A-A in Fig. 1.
Fig. 3 is the schematic diagram of the utility model.
Fig. 4 is schematic diagram at B-B in Fig. 3.
In figure：
Lens in 1 LED light 2
21 incidence surface, 22 line shape light-emitting area
23 diffusion part, 231 first diffusion part
232 second diffusion part, 24 reflecting surface
3 light guide, 31 groove
11 wiring board, 101 wiring board
Lens in 102 LED 103
Embodiment
Structure, ratio, size depicted in Figure of description etc., only to coordinate the revealed content of specification, with
Understand for those skilled in the art and read, be not limited to the enforceable qualifications of the utility model, therefore do not have skill
Essential meaning in art, the modification of any structure, the change of proportionate relationship or the adjustment of size, are not influencing the utility model institute
Under the effect of producing and the purpose that can reach, it should all still fall what can be covered in the revealed technology contents of the utility model
In the range of.Meanwhile cited such as " on ", " under ", "front", "rear", " centre " term in this specification, it is merely convenient to chat
That states understands, and is not used to limit the enforceable scope of the utility model, its relativeness is altered or modified, without substantive change
Under more technology contents, when being also considered as the enforceable category of the utility model.
As Figure 3-Figure 4, the light diffusion structure of a kind of automobile lamp of the utility model, including LED light 1 and interior light distribution
Mirror 2, the LED light 1 are installed in assist side 11, and the interior lens 2 includes the incidence surface 21 of one end and the line shape of the other end
Light-emitting area 22, is the diffusion part 23 for diffusing light between incidence surface 21 and line the shape light-emitting area 22.The utility model is also
Including light guide 3, the LED light 1 is towards one end of light guide 3.As shown in figure 4, the diffusion part 23 includes 231 He of the first diffusion part
Second diffusion part 232, the incidence surface 21 are located at the side of the first diffusion part 231, and the line shape light-emitting area 22 expands positioned at second
The side in portion 232 is dissipated, at an acute angle or right angle between 231 and second diffusion part 232 of the first diffusion part, the first diffusion part 231
Reflecting surface 24 is equipped with the intersection location of the second diffusion part 232, the reflecting surface 24 is line shape reflecting surface.The interior lens 2
Set along the length direction of light guide 3, and the incidence surface 21 is towards the light guide 3.The principle of this structure is：LED light 1 is sent out
The light gone out is delivered in light guide 3, and by the effect of light guide 3, light uniformly can enter interior lens 2 by incidence surface 21,
Once, then light enters interior lens by reflecting surface 24 for light first 231 decorative pattern of the first diffusion part diffusion through interior lens 2
Once, light can be spread more uniform 2 the second diffusion part 232 after the diffusion of decorative pattern twice for decorative pattern diffusion again,
The place that former no light reaches can also be illuminated after diffusion twice by light, and this structure effectively increases the equal of lighting
Even property, and because the effect of light guide, avoids the generation of dark space.
In the present embodiment, the incidence surface 21 is the arcwall face being inwardly recessed, in order to effective optically focused.
For the ease of production and processing, as shown in figure 4, first diffusion part, 231 and second diffusion part in the present embodiment
Between 232 at right angles, the reflecting surface 24 leads to the first diffusion part 231 and the second diffusion part 232 in 45 degree of settings, light respectively
It is radiated at after crossing the diffusion of the first diffusion part 231 on reflecting surface 24, by being reflected into the second diffusion part 232, and finally from line
Shape light-emitting area 22 projects.
As shown in figure 3, the end of the light guide 3 is inwardly recessed to form groove 31, the LED light 1 towards the groove 31,
And then light is allowed to be efficiently entering in light guide 3.
Interior lens 2 in the structure of the utility model is bent, thus its be subject to size limited and also greatly reduced,
To realize that more moulding provide possibility.
In conclusion a kind of light diffusion structure of automobile lamp of the utility model, lighting uniformity is more preferable, is not in
Dark space.So the utility model effectively overcome some practical problems of the prior art so as to have very high utility value and
Use meaning.
The above embodiment is only illustrative of the principle and efficacy of the utility model, new not for this practicality is limited
Type.The utility model also has many aspects to be improved on the premise of without prejudice to overall thought, for being familiar with this technology
Personage all can under the spirit and scope without prejudice to the utility model, can to above-described embodiment carry out modifications and changes.Therefore,
Such as those of ordinary skill in the art is in the revealed spirit without departing from the utility model and institute under technological thought
All equivalent modifications completed or change, should be covered by the claim of the utility model.
Claims (5)
1. a kind of light diffusion structure of automobile lamp, including LED light (1) and interior lens (2), the LED light (1) are installed on
On wiring board (11), the interior lens (2) includes the incidence surface (21) of one end and the line shape light-emitting area (22) of the other end, described
It is diffusion part (23) between incidence surface (21) and line shape light-emitting area (22), it is characterised in that：Further include light guide (3), the LED light
(1) towards one end of light guide (3)；The diffusion part (23) includes the first diffusion part (231) and the second diffusion part (232), described
Incidence surface (21) is located at the side of the first diffusion part (231), and the line shape light-emitting area (22) is located at the one of the second diffusion part (232)
Side, at an acute angle or right angle between first diffusion part (231) and the second diffusion part (232), the first diffusion part (231) and second
The intersection location of diffusion part (232) is equipped with reflecting surface (24), and the interior lens (2) is set along the length direction of light guide (3),
And the incidence surface (21) is towards the light guide (3).
A kind of 2. light diffusion structure of automobile lamp according to claim 1, it is characterised in that：The incidence surface (21)
For the arcwall face being inwardly recessed.
A kind of 3. light diffusion structure of automobile lamp according to claim 1, it is characterised in that：First diffusion part
(231) between the second diffusion part (232) at right angles, the reflecting surface (24) is expanded with the first diffusion part (231) and second respectively
Portion (232) are dissipated in 45 degree of settings.
A kind of 4. light diffusion structure of automobile lamp according to claim 1, it is characterised in that：The light guide (3)
End is inwardly recessed to form groove (31), and the LED light (1) is towards the groove (31).
A kind of 5. light diffusion structure of automobile lamp according to claim 1, it is characterised in that：The reflecting surface (24)
For line shape reflecting surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720508442.6U CN207349877U (en) | 2017-05-09 | 2017-05-09 | A kind of light diffusion structure of automobile lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720508442.6U CN207349877U (en) | 2017-05-09 | 2017-05-09 | A kind of light diffusion structure of automobile lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207349877U true CN207349877U (en) | 2018-05-11 |
Family
ID=62362288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720508442.6U Active CN207349877U (en) | 2017-05-09 | 2017-05-09 | A kind of light diffusion structure of automobile lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207349877U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110953548A (en) * | 2019-12-28 | 2020-04-03 | 帝宝交通器材（昆山）有限公司 | Car light subassembly with homogeneous optical effect |
| CN112178586A (en) * | 2020-09-30 | 2021-01-05 | 重庆长安汽车股份有限公司 | Lens structure in high-order stop lamp |
-
2017
- 2017-05-09 CN CN201720508442.6U patent/CN207349877U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110953548A (en) * | 2019-12-28 | 2020-04-03 | 帝宝交通器材（昆山）有限公司 | Car light subassembly with homogeneous optical effect |
| CN112178586A (en) * | 2020-09-30 | 2021-01-05 | 重庆长安汽车股份有限公司 | Lens structure in high-order stop lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 201800 Yecheng Road, Jiading District, Jiading District, Shanghai Patentee after: Hua Yu vision technology (Shanghai) Co., Ltd. Address before: 201800 Yecheng Road, Jiading District, Jiading District, Jiading District, Shanghai Patentee before: Xiaoxi Car Lights Co., Ltd., Shanghai |