CN210398747U - Primary optical element of car lamp, car lamp module, car lamp and car - Google Patents
Primary optical element of car lamp, car lamp module, car lamp and car Download PDFInfo
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- CN210398747U CN210398747U CN201921456750.4U CN201921456750U CN210398747U CN 210398747 U CN210398747 U CN 210398747U CN 201921456750 U CN201921456750 U CN 201921456750U CN 210398747 U CN210398747 U CN 210398747U
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- 230000003287 optical effect Effects 0.000 title claims abstract description 76
- 239000011159 matrix material Substances 0.000 claims abstract description 5
- 235000009537 plain noodles Nutrition 0.000 abstract description 17
- 230000001795 light effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a car light primary optical element, car light module, car light and vehicle, car light primary optical element sets up between light source and secondary optical element, and the component includes the component body, is equipped with income plain noodles and play plain noodles on the component body, and the light source is the matrix distribution, and the light that the light source jetted out jets out from going out the plain noodles after the income plain noodles jets out, and wherein, the light that two adjacent light sources jetted out overlaps through the part that goes out the plain noodles and jets out the back. The utility model is not only simple in structure, can realize the partial overlap of light between adjacent light source at its play plain noodles moreover, need not do the homogeneity that the net was handled and can realize the luminance of pixel facula to secondary optical element's play plain noodles. And the length in the optical axis direction is very short, so that the optical path of light in the primary optical element is shortened, the optical energy loss is reduced, and the light effect is improved. Meanwhile, the width of pixel light spots can be reduced, so that the number of light sources to be extinguished is reduced when a dark area needs to be formed.
Description
Technical Field
The utility model relates to a vehicle lighting technology field especially relates to a primary optical element of car light, car light module, car light and vehicle.
Background
The matrix far-reaching headlamp of prior art adopts the spotlight ware as primary optical element mostly, though the light that jets out to the light source all has to some extent in horizontal and vertical to make more light shoot into lens in order to improve the light efficiency, however, because this spotlight ware comprises a plurality of spotlight units, the structure is very complicated, and the processing degree of difficulty is big. Moreover, as the demand of customers increases, the lens of the car lamp in the prior art is a wide lens in the transverse direction and narrow in the longitudinal direction, and the lens basically does not need to converge the light emitted by the light source in the transverse direction, so that a condenser with a complicated structure is not needed as the primary optical element, and a new primary optical element with a simple structure is needed.
In addition, in the prior art, in order to make more light emitted from the light source enter the lens after passing through the condenser, the length of the condenser in the light emitting direction is long, and is generally more than 10 mm.
Meanwhile, in the prior art, in order to improve the phenomenon of uneven brightness among pixel light spots, the light-emitting surface of the lens adopts a light-transmitting plane splicing mode, and due to the diversification of customer requirements, the appearance model of the lens cannot meet the requirements of part of customers.
SUMMERY OF THE UTILITY MODEL
The utility model discloses solve the technical problem who exists among the prior art to a luminance of pixel facula is even, simple structure's the primary optical element of car light, car light module, car light and vehicle is provided.
The above technical problem of the present invention can be solved by the following technical solutions:
the utility model provides a car light primary optical element sets up between light source and secondary optical element, the component includes the component body, be equipped with income plain noodles and play plain noodles on the component body, the light source is the matrix distribution, the light warp that the light source jetted out follow after the income plain noodles jets into the play plain noodles jets out, wherein, adjacent two the light warp that the light source jetted out the part after the play plain noodles jets out overlaps.
Furthermore, the light incident surface is a vertical plane perpendicular to the optical axis or a curved surface protruding towards the direction close to the light source, and the light emergent surface is a curved surface.
Further, go out the plain noodles including consecutive upper portion curved surface, middle part curved surface and lower part curved surface in proper order, the middle part curved surface with go into the plain noodles and be parallel, the upper portion curved surface is from bottom to top to being close to one side of light source is crooked, the lower part curved surface is from top to bottom to being close to one side of light source is crooked.
Further, the distance from the upper boundary of the upper curved surface to the optical axis is far smaller than the distance from the lower boundary of the lower curved surface to the optical axis.
Furthermore, the element body is provided with an upper side surface which is a curved surface bent upwards, so that the light rays at the uppermost side of the light source can be reflected by the upper side surface and then emitted from the lower part of the middle curved surface or the upper curved surface.
Further, the distance between two adjacent light sources is 0.5-2mm, and the length of the element body in the optical axis direction is 3-10 mm.
The utility model provides a car light module, it includes the primary optical element of above-mentioned car light.
The utility model provides a car light, it includes above-mentioned car light module.
The utility model provides a vehicle, it includes above-mentioned car light.
The beneficial effects of the utility model reside in that:
1) the structure is simple, partial overlapping of light rays between adjacent light sources can be realized on the light-emitting surface of the secondary optical element, and the uniformity of the brightness of pixel light spots can be realized without carrying out grid processing on the light-emitting surface of the secondary optical element.
2) The convergence of light source light rays in the longitudinal direction is realized only by arranging the light-emitting surface which is a large-curvature curved surface, the lens is suitable for a transverse wide and longitudinal narrow lens, the structure of a condenser is not required to be made, and the lens is very simple in structure and easy to process.
3) The length of the primary optical element in the optical axis direction is very short, so that the optical path of light in the primary optical element is shortened, the optical energy loss is reduced, and the light efficiency is improved. Meanwhile, the width of pixel light spots can be reduced, so that the number of light sources to be extinguished is reduced when a dark area needs to be formed.
4) The light of the light source can be refracted to the secondary optical element from the light emergent surface as much as possible, so that the light effect is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a position profile of a primary optic, a secondary optic and a light source of a vehicle lamp according to the present invention;
FIG. 2 is a schematic structural diagram of a primary optical element of a vehicle lamp according to the present invention;
fig. 3 is a schematic diagram of the light path of the primary optical element of the vehicle lamp in the vertical plane of the optical axis;
FIG. 4 is an enlarged view of a portion of FIG. 3;
fig. 5 is a schematic diagram of the optical path of the primary optical element of the vehicle lamp in the horizontal plane where the optical axis is located;
fig. 6 is a partially enlarged view of fig. 5.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.
Referring to fig. 1-6, the primary optical element 1 of the present invention is disposed between a light source 2 and a secondary optical element 3 (e.g., a lens), and the primary optical element includes an element body, wherein the element body is provided with a light incident surface 1a and a light emergent surface 1b, the light sources 2 are distributed in a matrix, light emitted from the light sources 2 is emitted from the light emergent surface 1b after being emitted from the light incident surface 1a, and the light emitted from two adjacent light sources 2 is partially overlapped after being emitted from the light emergent surface 1 b. The utility model discloses set up like this and can make light form the even pixel facula of luminance on the grading screen after the refraction of secondary optical element 3, its play plain noodles that can save secondary optical element 3 is handled as the net, ensures that secondary optical element 3's play plain noodles is smooth, handsome in appearance.
Preferably, the light incident surface 1a is a vertical plane perpendicular to the optical axis or a curved surface protruding toward the direction close to the light source 2, and the light emitting surface 1b is a curved surface. The optical axis in the present invention (as shown by the dotted line in fig. 3-4) is the common general knowledge of those skilled in the art, and specifically refers to the axis of the front-back direction corresponding to the zero point of the light shape of the formed car lamp, where the zero point refers to the intersection point of the H axis and the V axis where the light shape is located, i.e., (0,0) point, and the light distribution screen is a vertical screen arranged at 25m in front of the vehicle.
Referring to fig. 3-4, in order to improve the light energy utilization efficiency, the light emitted from the light source 2 is refracted onto the secondary optical element 3 as much as possible after being emitted from the primary optical element 1, the light emitting surface 1b includes an upper curved surface 1b1, a middle curved surface 1b2 and a lower curved surface 1b3 which are sequentially continuous, the middle curved surface 1b2 is parallel to the light incident surface 1a, the upper curved surface 1b1 is curved from bottom to top to a side close to the light source 2, and the lower curved surface 1b3 is curved from top to bottom to a side close to the light source 2. The utility model discloses a set up upper portion curved surface 1b1 and lower part curved surface 1b3 for the light of the upwards downward transmission of light source 2 jets out from play plain noodles 1b more, in order to improve the light efficiency.
In the utility model discloses in, when this primary optical element 1 is applied to the high beam, in order to form the high beam light shape, as shown in fig. 4, the distance of the upper boundary of upper portion curved surface 1b1 to the optical axis is far less than the distance of the lower boundary of lower part curved surface 1b3 to the optical axis, makes the light shape that forms mainly lie in more than the H axle like this.
Preferably, in order to make more light emitted from the light source exit from the light exit surface 1b near the optical axis 2 and improve the brightness near the zero point of the high beam shape, the device body is provided with an upper side surface 1c, and the upper side surface 1c is a curved surface bent upward, so that the light of the uppermost side of the light source 2 can be reflected by the upper side surface 1c and then exit from the lower portion of the middle curved surface 1b2 or the upper curved surface 1b 1.
Preferably, in order to overlap the light emitted from the two adjacent light sources 2 after being emitted from the light emitting surface 1b, so as to obtain a pixel spot with uniform brightness, the distance between the two adjacent light sources 2 is 0.5-2mm, and the length of the device body in the optical axis direction is 3-10mm, i.e. the distance between the vertical sections of the light incident surface 1a and the light emitting surface 1b is preferably 3-10 mm. The utility model discloses in, primary optical element 1's size is less than the size of prior art's spotlight ware, and does not fall into a plurality of spotlight units, and the structure is very simple, easy processing. The length of the primary optical element 1 is made as short as possible while ensuring the effect, so that the width of the pixel spot can be reduced, and when a dark area needs to be formed to avoid glare, the number of light sources 2 related to the dark area is reduced, that is, the number of light sources 2 to be extinguished is also reduced, thereby facilitating control. Meanwhile, the optical path of the light in the primary optical element 1 is shortened, so that the light energy loss of the light is reduced, and the light efficiency is improved to a certain extent.
The utility model provides a car light module, it includes the primary optical element of above-mentioned car light.
The utility model provides a car light, it includes above-mentioned car light module.
The utility model provides a vehicle, it includes above-mentioned car light.
To sum up, the beneficial effects of the utility model reside in that:
1) the structure is simple, partial overlapping of light rays between adjacent light sources can be realized on the light-emitting surface of the secondary optical element, and the uniformity of the brightness of pixel light spots can be realized without carrying out grid processing on the light-emitting surface of the secondary optical element.
2) The convergence of light source light rays in the longitudinal direction is realized only by arranging the light-emitting surface which is a large-curvature curved surface, the lens is suitable for a transverse wide and longitudinal narrow lens, the structure of a condenser is not required to be made, and the lens is very simple in structure and easy to process.
3) The length of the primary optical element in the optical axis direction is very short, so that the optical path of light in the primary optical element is shortened, the optical energy loss is reduced, and the light efficiency is improved. Meanwhile, the width of pixel light spots can be reduced, so that the number of light sources to be extinguished is reduced when a dark area needs to be formed.
4) The light of the light source can be refracted to the secondary optical element from the light emergent surface as much as possible, so that the light effect is improved.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (9)
1. The primary optical element is arranged between a light source and a secondary optical element and is characterized by comprising an element body, wherein the element body is provided with a light inlet surface and a light outlet surface, the light source is distributed in a matrix manner, light rays emitted by the light source are emitted from the light outlet surface after being emitted through the light inlet surface, and the light rays emitted by two adjacent light sources are partially overlapped after being emitted through the light outlet surface.
2. The primary optical element according to claim 1, wherein the light incident surface is a vertical plane perpendicular to an optical axis or a curved surface protruding toward a direction close to the light source, and the light emergent surface is a curved surface.
3. The primary optical element of claim 2, wherein the light-emitting surface comprises an upper curved surface, a middle curved surface and a lower curved surface which are sequentially continuous, the middle curved surface is parallel to the light-incident surface, the upper curved surface is curved from bottom to top at a side close to the light source, and the lower curved surface is curved from top to bottom at a side close to the light source.
4. The primary optical element for a vehicular lamp according to claim 3, wherein a distance from an upper boundary of said upper curved surface to the optical axis is much smaller than a distance from a lower boundary of said lower curved surface to the optical axis.
5. The primary optical element according to claim 3 or 4, wherein the element body is provided with an upper side surface, and the upper side surface is a curved surface curved upward, so that the light beam at the uppermost side of the light source can be reflected by the upper side surface and then emitted from the lower portion of the middle curved surface or the upper curved surface.
6. The primary optical element for a vehicular lamp according to claim 1, wherein a spacing between adjacent two of said light sources is 0.5 to 2mm, and a length of said element body in the optical axis direction is 3 to 10 mm.
7. A vehicular lamp module comprising the primary optical element for vehicular lamp according to any one of claims 1 to 6.
8. A vehicular lamp comprising the vehicular lamp module according to claim 7.
9. A vehicle comprising the lamp according to claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921456750.4U CN210398747U (en) | 2019-09-04 | 2019-09-04 | Primary optical element of car lamp, car lamp module, car lamp and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921456750.4U CN210398747U (en) | 2019-09-04 | 2019-09-04 | Primary optical element of car lamp, car lamp module, car lamp and car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210398747U true CN210398747U (en) | 2020-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921456750.4U Active CN210398747U (en) | 2019-09-04 | 2019-09-04 | Primary optical element of car lamp, car lamp module, car lamp and car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210398747U (en) |
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2019
- 2019-09-04 CN CN201921456750.4U patent/CN210398747U/en active Active
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