CN210511491U - Light guide structure for vehicle capable of uniformly emitting light - Google Patents
Light guide structure for vehicle capable of uniformly emitting light Download PDFInfo
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- CN210511491U CN210511491U CN201921339089.9U CN201921339089U CN210511491U CN 210511491 U CN210511491 U CN 210511491U CN 201921339089 U CN201921339089 U CN 201921339089U CN 210511491 U CN210511491 U CN 210511491U
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- light guide
- reflecting surface
- reflecting
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Abstract
The utility model relates to the field of vehicle light guide structure design, in particular to a vehicle light guide structure capable of emitting light uniformly, which comprises a light guide plate, wherein a light inlet surface and a second reflecting surface are arranged on one side surface of the light guide plate, a first reflecting surface and a light outlet surface are arranged on the other side surface of the light guide plate, the first reflecting surface is a curved surface formed by rotation of a conic curve, the second reflecting surface is a plane, the light outlet surface is formed by uniformly arranging hemispherical surfaces at equal intervals, the first reflecting surfaces are more than two and are embedded between the light outlet surfaces at intervals, LED light enters through the light inlet surface and is reflected by the first reflecting surface and the second reflecting surface in sequence and then is emitted from the light outlet surface, the light emitted by an LED light source is reflected for multiple times through the first reflecting surface and the second reflecting surface, the light distribution area is widened, the light-emitting area is improved, and the thickness of the light guide, the thickness is smaller, so that the cost is lower, the space occupation is small, and the light is uniformly emitted through the hemispherical microstructure on the surface of the light emitting surface.
Description
Technical Field
The utility model relates to an automobile-used light guide structure designs the field, especially relates to an automobile-used light guide structure of evenly luminous.
Background
Along with the development of the automobile field, the requirements of people on automobile lamps are not limited to functional illumination or warning, higher decorative and more prominent personality is a new direction of the automobile lamp field, the accompanying logo lamp becomes the standard of future automobiles, and the logo lamp is characterized in that the light-emitting range is irregular, the inner space is small, and the uniform light-emitting effect is not easy to make.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defect that above-mentioned prior art exists, providing an automobile-used light guide structure of evenly luminous, required structure space is little, and luminous area is big and luminous even.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an automobile-used light guide structure of even luminous, including the light guide plate, arrange income plain noodles and second plane of reflection on one side face of light guide plate, arrange first plane of reflection and play plain noodles on the opposite side face of light guide plate, first plane of reflection is the curved surface that forms by the rotation of conic, the second plane of reflection is the plane, it is formed by the equidistant even distribution of hemisphere face to go out the plain noodles, first plane of reflection is more than two and the interval is inlayed between the play plain noodles, LED light gets into through going into the plain noodles and sends from the play plain noodles after first plane of reflection, second plane of reflection reflect in proper order.
The first reflecting surface totally reflects the LED light, the included angle between the reflection angle of the LED light and the horizontal line is-45 degrees, and the surface of the first reflecting surface is plated with aluminum.
The radius of the hemisphere in the light emitting surface 14 is 0.1 mm-2 mm, and the surface of the hemisphere is plated with aluminum.
Has the advantages that: the light that the LED light source sent makes the light distribution region widen through the multiple reflection of first plane of reflection and second plane of reflection, improves luminous region to the light guide plate thickness of this application can accomplish 3mm ~ 5mm within range, and thickness is less, and the light guide plate is made with transparent PMMA material, makes the cost lower and the space occupation volume little, makes luminous even through the hemispherical microstructure who goes out the plain noodles surface, and the practicality is strong, and the effect is showing.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic view of the present invention showing the cross-sectional direction of light rays. (light direction as shown by the arrow in the figure)
Detailed Description
The present invention will be further described with reference to fig. 1 and 2.
A light guide structure for a vehicle capable of emitting light uniformly comprises a light guide plate 10, wherein a light incident surface 11 and a second reflecting surface 12 are arranged on a plate surface on one side of the light guide plate 10, a first reflecting surface 13 and a light emitting surface 14 are arranged on a plate surface on the other side of the light guide plate 10, the first reflecting surface 13 is a curved surface formed by rotation of a quadratic curve, the second reflecting surface 12 is a plane, the light emitting surface 14 is formed by uniformly arranging hemispherical surfaces at equal intervals, the first reflecting surfaces 13 are more than two and are embedded between the light emitting surfaces 14 at intervals, and LED light enters through the light incident surface 11 and is emitted from the light emitting surface 14 after being reflected by the first reflecting surface 13 and the second reflecting surface 12 in sequence. The light that the LED light source sent makes the light distribution region widen through the multiple reflection of first plane of reflection 13 and second plane of reflection 12, improves luminous region to the thickness of the light guide plate 10 of this application can accomplish 3mm ~ 5mm within range, and thickness is less, and light guide plate 10 is made with transparent PMMA material, makes the cost lower and the space occupies a little, makes luminous evenly through the hemispherical microstructure on the 14 surfaces of play plain noodles, and the practicality is strong, and the effect is showing.
Preferably, the first reflecting surface 13 totally reflects the LED light, an included angle between a reflection angle of the LED light and a horizontal line is-45 ° to 45 °, and the surface of the first reflecting surface 13 is plated with aluminum, so that the first reflecting surface 13 has a good reflection effect.
Furthermore, the radius of the hemispherical surface in the light emitting surface 14 is 0.1 mm-2 mm, and the surface of the hemispherical surface is plated with aluminum, so that the light emitting is uniform.
It should be understood that the above description of the specific embodiments is only for the purpose of explanation and not for the purpose of limitation. Obvious changes or variations caused by the spirit of the present invention are within the scope of the present invention.
Claims (3)
1. The utility model provides an automobile-used light guide structure of uniform lighting which characterized in that: the LED light source comprises a light guide plate (10), wherein a light incident surface (11) and a second reflecting surface (12) are arranged on a plate surface on one side of the light guide plate (10), a first reflecting surface (13) and a light emitting surface (14) are arranged on a plate surface on the other side of the light guide plate (10), the first reflecting surface (13) is a curved surface formed by rotation of a quadratic curve, the second reflecting surface (12) is a plane, the light emitting surface (14) is formed by uniformly arranging hemispherical surfaces at equal intervals, the first reflecting surfaces (13) are more than two and are embedded between the light emitting surfaces (14) at intervals, and LED light enters through the light incident surface (11) and is emitted from the light emitting surface (14) after being reflected by the first reflecting surface (13) and the second reflecting surface (12).
2. The light guide structure for the vehicle uniformly emitting light according to claim 1, wherein: the first reflecting surface (13) is used for carrying out total reflection on the LED light, the included angle between the reflection angle of the LED light and the horizontal line is-45 degrees, and the surface of the first reflecting surface (13) is plated with aluminum.
3. The light guide structure for the vehicle uniformly emitting light according to claim 2, wherein: the radius of the hemispherical surface in the light emitting surface (14) is 0.1-2 mm, and the surface of the hemispherical surface is plated with aluminum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921339089.9U CN210511491U (en) | 2019-08-19 | 2019-08-19 | Light guide structure for vehicle capable of uniformly emitting light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921339089.9U CN210511491U (en) | 2019-08-19 | 2019-08-19 | Light guide structure for vehicle capable of uniformly emitting light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210511491U true CN210511491U (en) | 2020-05-12 |
Family
ID=70589981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921339089.9U Active CN210511491U (en) | 2019-08-19 | 2019-08-19 | Light guide structure for vehicle capable of uniformly emitting light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210511491U (en) |
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2019
- 2019-08-19 CN CN201921339089.9U patent/CN210511491U/en active Active
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