CN211040828U - Primary optical element, car lamp module, car lamp and vehicle - Google Patents
Primary optical element, car lamp module, car lamp and vehicle Download PDFInfo
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- CN211040828U CN211040828U CN202020023788.9U CN202020023788U CN211040828U CN 211040828 U CN211040828 U CN 211040828U CN 202020023788 U CN202020023788 U CN 202020023788U CN 211040828 U CN211040828 U CN 211040828U
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Abstract
The utility model relates to an automobile lamp specifically discloses a primary optical element, including primary optical element body (1), primary optical element body (1) is equipped with into light portion (101), logical light portion (102) and light-emitting portion (103) by back forward in proper order, light-emitting portion (103) include play plain noodles (1031) and locate light diffusion structure (1032) on play plain noodles (1031), light diffusion structure (1032) are a plurality of planes or curved surfaces of arranging along left right direction, upper and lower direction or slope in left right direction. Furthermore, the utility model also discloses a head-light module, car light and vehicle including primary optical element. The utility model discloses a primary optical element sets up multiple structural style's light diffusion structure (1032) on light-emitting portion (103), satisfies different illumination light shape demands, and the structure is simpler, and light shape homogeneity is good.
Description
Technical Field
The utility model relates to an automobile lamp specifically relates to a primary optical element. Furthermore, the utility model discloses still relate to a car light module, car light and vehicle.
Background
With the development of the automobile industry becoming more mature and stable, the types of the vehicle headlamps are more diversified, and in terms of the comprehensive performance of the vehicle headlamps, customers put forward higher and higher requirements, such as uniformity of low beam or high beam shape, dispersion phenomenon, visibility of low beam, heat dissipation performance, brightness of high beam, appearance, structure, weight, volume and the like of the vehicle headlamps, which requires various improvements on the components of the vehicle headlamps.
The primary optical element is an important component of a vehicle headlamp, and in the field of vehicle lighting technology, a reflector or a condenser is generally adopted as the primary optical element of the vehicle headlamp, and a lens or a part having a function equivalent to that of the lens is adopted as a final light emitting element. In low beam lamps with a cut-off function, the cut-off boundary is sharp, usually with significant dispersion, because the gradient is too high. In the matrix headlight, have obvious bright dark uneven phenomenon between a plurality of pixel facula, all can present the dark stripe of different degrees in horizontal direction and vertical direction, the dispersion of car light and the uneven phenomenon of light and shade all can influence driver's impression.
For the above reasons, it is difficult to effectively ensure the uniformity of the light shape emitted from the primary optical element in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the problem that at first will solve provides a primary optical element, this primary optical element simple structure, and light shape homogeneity is good.
Furthermore, the utility model discloses the problem that still remains to solve provides a car light module, and the primary optical element simple structure in this car light module, and light shape homogeneity is good.
Further, the to-be-solved problem of the present invention is to provide a car light, the light shape homogeneity of this car light is good.
Furthermore, the to-be-solved problem of the present invention is to provide a vehicle, the light shape uniformity of the lamp of the vehicle is good.
In order to solve the technical problem, the utility model provides an aspect provides an elementary optical element, including the elementary optical element body, the elementary optical element body is equipped with into light portion, light-passing portion and light-emitting portion forward in proper order by the back, light-emitting portion includes the play plain noodles and locates light diffusion structure on the play plain noodles, light diffusion structure is a plurality of planes or curved surface of arranging along left right direction, upper and lower direction or slope in left right direction.
As a preferred embodiment of the present invention, the light diffusion structure is a plurality of strip-shaped planes arranged along the left-right direction, the up-down direction or inclined to the left-right direction; or the light diffusion structures are a plurality of block-shaped planes which are arranged along the left-right direction, the up-down direction or the oblique left-right direction.
More preferably, the block-shaped plane is a rectangular, triangular or polygonal plane.
As another preferred embodiment of the present invention, the light diffusion structure is a plurality of concave-convex curved surfaces, or concave curved surfaces arranged along the left-right direction, the up-down direction, or the direction inclined to the left-right direction; or the light diffusion structure is a plurality of concave-convex block curved surfaces, convex block curved surfaces or concave block curved surfaces which are arranged along the left-right direction, the up-down direction or the direction inclined to the left-right direction.
As another preferred embodiment of the present invention, the light-emitting surface of the light-diffusing structure is inclined to the light-emitting surface of the light-emitting portion.
As a specific structural form of the present invention, the light incident portion is a light-gathering cup structure.
More specifically, the inner central area of the light-gathering cup structure is a concave cavity with one open end, and the outer profile of the light-gathering cup structure is a curved surface structure gradually increased from the rear end to the front end; or the light-gathering cup structure is of a solid structure, the light incident surface of the light-gathering cup structure is a plane, an outer convex curved surface or an inner concave curved surface, and the outer contour of the light-gathering cup structure is a curved surface structure gradually increasing from the rear end to the front end.
As another specific structure of the present invention, the lower end edge of the light-emitting portion is formed with a passing light cut-off line structure.
The utility model discloses the second aspect still provides a car light module, be formed with light propagation path in the car light module, along light propagation path by to preceding light source and according to any one of the above-mentioned technical scheme elementary optical element in proper order, the light source with go into light portion one-to-one setting.
The third aspect of the present invention further provides a vehicle lamp, including a vehicle lamp module according to the above technical solution.
The utility model discloses the fourth aspect still provides a vehicle, include according to above-mentioned technical scheme in the car light.
Through the technical scheme, the utility model discloses an elementary optical element includes the elementary optical element body, the elementary optical element body is equipped with into light portion, light-passing portion and light-emitting portion forward in proper order by the back, light-emitting portion includes the play plain noodles and locates light diffusion structure on the play plain noodles, light diffusion structure is a plurality of planes or curved surface of arranging along left right direction, upper and lower direction or slope in left right direction. The utility model discloses a primary optical element sets up out plain noodles and light diffusion structure on light-emitting portion, improves the dispersion phenomenon of the light of the passing lamp that has the cut-off line and the gradient of cut-off line through the shape that changes light diffusion structure, the mode of arranging and inclination, guarantees the linking homogeneity between the pixel facula of matrix headlight, can form the car light shape of more variety simultaneously.
Further advantages of the invention, as well as the technical effects of preferred embodiments, will be further explained in the following detailed description.
Drawings
Fig. 1 is one of schematic perspective views of a first embodiment of a primary optical element according to the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic view of the cross-sectional structure A-A of FIG. 1;
FIG. 4 is an enlarged partial schematic view of B in FIG. 3;
fig. 5 is a second perspective view of the first embodiment of the primary optical element of the present invention;
fig. 6 is a schematic perspective view of a second embodiment of the primary optical element of the present invention;
FIG. 7 is a side view of the structure of FIG. 6;
FIG. 8 is a schematic view of the cross-sectional structure C-C of FIG. 6;
FIG. 9 is an enlarged partial schematic view of D of FIG. 8;
fig. 10 is a schematic perspective view of a third embodiment of the primary optical element of the present invention;
fig. 11 is a schematic perspective view of a fourth embodiment of the primary optical element of the present invention;
fig. 12 is a second schematic light-emitting surface structure diagram of a fourth embodiment of the primary optical element of the present invention;
fig. 13 is a schematic light-emitting surface structure diagram of a fifth embodiment of the primary optical element of the present invention;
fig. 14 is a schematic structural diagram of an embodiment of the light incident portion of the primary optical element of the present invention;
fig. 15 is a schematic structural view of another embodiment of the light incident portion of the primary optical element according to the present invention.
Description of the reference numerals
1 primary optical element body 101 incident part
102 light-passing part 103 light-emitting part
1031 light-out surface 1032 light diffusion structure
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
It should be noted that, in the following description, for clarity, directional terms related to the technical solution of the present invention, such as "front", "back", "left and right", "up and down", are all defined by analogy with the direction indicated by the light emitting path, for example, taking the primary optical element as an example, one end of the primary optical element close to the light source is the back, and the other end far away from the light source is the front; the primary optical element may be configured such that the light incident portion is located at a rear end and the light emergent portion is located at a front end. With respect to the front-rear direction of the primary optical element, the left-right direction along the primary optical element is the left-right direction, and the up-down direction along the primary optical element is the up-down direction, as viewed from the rear end of the primary optical element.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either directly or indirectly through intervening media, either internally or in any combination thereof. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 1, fig. 5, fig. 6, fig. 10 and fig. 11, the present invention provides a primary optical element, including a primary optical element body 1, the primary optical element body 1 is sequentially provided with a light incident portion 101, a light passing portion 102 and a light emitting portion 103 from back to front, the light emitting portion 103 includes a light emitting surface 1031 and a light diffusion structure 1032 disposed on the light emitting surface 1031, and the light diffusion structure 1032 is a plurality of planes or curved surfaces arranged along the left-right direction, the up-down direction or inclined to the left-right direction.
The utility model discloses a primary optical element's front end terminal surface is equipped with light portion 103, in order to guarantee the light shape homogeneity of emergent ray, the dispersion phenomenon of weakening emergent ray, light portion 103 includes play plain noodles 1031 and light diffusion structure 1032, when can making the light refraction of penetrating to this light portion 103 through light diffusion structure 1032, compare in the smooth play plain noodles that does not set up light diffusion structure 1032, can be with less angle diffusion, thereby can make the gradient of the cut-off of the passing lamp that has the cut-off reduce, the cut-off border becomes fuzzy and soft, and the attenuation dispersion phenomenon, make the boundary line of the pixel facula of matrix headlight become fuzzy and soft, make to link up more evenly between each pixel facula.
As a preferred embodiment of the present invention, the light diffusion structure 1032 is a plurality of strip-shaped planes arranged along the left-right direction, the up-down direction or inclined to the left-right direction.
As an alternative to the preferred embodiment, the light diffusion structure 1032 is a plurality of block planes arranged along the left-right direction, the up-down direction, or inclined to the left-right direction.
More preferably, the block-shaped plane is a rectangular, triangular or polygonal plane.
As another preferred embodiment of the present invention, the light diffusion structure 1032 is a plurality of concave-convex curved surfaces, or concave curved surfaces arranged along the left-right direction, the up-down direction, or the direction inclined to the left-right direction. The strip-shaped concave-convex curved surface is a free curved surface formed by connecting a strip-shaped convex curved surface and a strip-shaped concave curved surface, and the light diffusion structure 1032 is a structure formed by alternately connecting a strip-shaped convex curved surface and a strip-shaped concave curved surface.
Optionally, the light diffusion structure 1032 is a plurality of concave-convex block curved surfaces, convex block curved surfaces or concave block curved surfaces arranged along a left-right direction, an up-down direction or a direction inclined to the left-right direction. The concave-convex block curved surface is a free block curved surface formed by connecting a convex block curved surface and a concave block curved surface, and the light diffusion structure 1032 is a structure formed by alternately connecting the convex block curved surface and the concave block curved surface.
As another preferred embodiment of the present invention, the light emitting surface of the light ray diffusing structure 1032 is inclined to the light emitting surface 1031 of the light emitting portion 103. It can be understood that, if the light diffusion structure 1032 is a strip-shaped curved surface or a block-shaped curved surface, a tangent plane of the light exit surface of the strip-shaped curved surface or the block-shaped curved surface (i.e. the surface of the strip-shaped curved surface or the block-shaped curved surface) forms an included angle with the light exit surface 1031 or a plane tangent to the light exit surface 1031; if the light diffusing structure 1032 is a strip-shaped plane or a block-shaped plane, an angle is formed between the light emitting surface of the strip-shaped plane or the block-shaped plane (i.e., the surface of the strip-shaped plane or the block-shaped plane) and the light emitting surface 1031 or a plane tangent to the light emitting surface 1031.
In order to meet different light shape requirements, the plane or curved surface in the light diffusion structure 1032 is formed with a plurality of structural forms, which may be a strip-shaped plane or a strip-shaped curved surface, and may also be a plurality of block-shaped planes or block-shaped curved surfaces arranged in a horizontal, vertical or oblique direction, where the block-shaped planes may include a square, a rectangle, a triangle or a polygon, and the curved surface may include a concave curved surface or a convex curved surface, and the following describes in detail the primary optical element of the present invention with reference to six specific embodiments.
Example one
As shown in fig. 1 to 5, in the first embodiment of the present invention, the light diffusion structure 1032 is a plurality of strip-shaped convex curved surfaces arranged along the up-down direction and connected in sequence, the strip-shaped convex curved surfaces extend along the left-right direction, and the strip-shaped convex curved surfaces can diffuse light in the up-down direction. The primary optical element in the embodiment can be applied to the matrix type car lamp, and when the primary optical element is applied to the matrix type car lamp, the primary optical element can enable each pixel facula to be mutually connected in the up-down direction, so that the light emitted by the matrix type car lamp can be more uniform in shape.
Meanwhile, those skilled in the art may also think that the strip-shaped convex curved surfaces arranged along the up-down direction are arranged as strip-shaped planes arranged along the up-down direction; the shape of the strip-shaped convex curved surface can be changed according to the actual light shape requirement, so that the emergent direction of light rays and the coincidence degree of the light rays emitted by the strip-shaped convex curved surfaces can be changed, and uniform light shapes with more effects can be formed.
The light diffusion structure 1032 of the present invention may be the light emitting surface 1031 fully distributed as shown in fig. 1, or may be a local portion of the light emitting surface 1031 arranged as shown in fig. 5.
Example two
As shown in fig. 6 to 9, in the second embodiment of the present invention, the light diffusion structure 1032 is a plurality of strip-shaped convex curved surfaces arranged along the left and right direction and sequentially connected to each other, the strip-shaped convex curved surfaces extend along the up and down direction, and the strip-shaped convex curved surfaces can diffuse light in the left and right direction. Similarly, the primary optical element in the embodiment may also be applied to a matrix vehicle lamp, and when the primary optical element is applied to the matrix vehicle lamp, the primary optical element may enable each pixel light spot to be mutually connected in the left-right direction, so that the light emitted by the matrix vehicle lamp is more uniform in shape.
Meanwhile, those skilled in the art can also think that the strip-shaped convex curved surfaces arranged along the left-right direction can be arranged as strip-shaped planes arranged along the left-right direction; the shape of the strip-shaped convex curved surface can be changed according to the actual light shape requirement, so that the emergent direction of light rays and the coincidence degree of the light rays emitted by the strip-shaped convex curved surfaces can be changed, and uniform light shapes with more effects can be formed. The strip-shaped convex curved surface may be distributed over the entire light emitting surface 1031, or may be partially arranged.
EXAMPLE III
As shown in fig. 10, in the third embodiment of the present invention, the light diffusion structure 1032 is a plurality of strip-shaped convex curved surfaces or strip-shaped flat surfaces arranged along the left-right direction, and when viewed from the front of the light emitting surface, that is, the strip-shaped convex curved surfaces or strip-shaped flat surfaces arranged obliquely can diffuse the light in the direction perpendicular to the oblique direction. In contrast to the two embodiments described above, another particular diffusion effect can be achieved without affecting the uniformity of the light.
Example four
As shown in fig. 11 and 12, in a fourth embodiment of the present invention, the light diffusion structure 1032 is a convex block curved surface extending along the first direction, the convex block curved surfaces are arranged in a plurality of rows along the second direction, all the convex block curved surfaces are inclined along one direction, the convex block curved surfaces can diffuse the light to the periphery of the convex block curved surfaces, and the shape of the diffusion can be changed according to the change of the shape of the convex block curved surfaces.
EXAMPLE five
As shown in fig. 13, in the fifth embodiment of the present invention, the light diffusion structure 1032 includes a plurality of concave-convex curved surfaces arranged in a plurality of rows along the left-right direction, and the concave-convex curved surfaces are formed by connecting the convex curved surfaces and the concave curved surfaces, so as to realize a more special light diffusion effect.
In the above embodiment, the smaller the dimension of the strip-shaped plane, the strip-shaped curved surface, the block-shaped plane or the block-shaped curved surface constituting the light diffusion structure 1032 is, the smaller the angle of light diffusion is, and the larger the dimension is, the larger the angle of light diffusion is, therefore, the diffusion angle of light can be controlled by adjusting the dimension of the light diffusion structure 1032, so as to obtain different light shape effects, and the uniformity of light shape can also be adjusted.
As shown in fig. 14 and 15, as a specific configuration of the present invention, the light incident portion 101 has a light condensing cup structure.
More specifically, the inner central area of the light-gathering cup structure is a concave cavity with an opening at one end, and the outer profile of the light-gathering cup structure is a curved structure gradually increasing from the rear end to the front end.
As another optional structural form of the specific structural form, the light-gathering cup structure is a solid structure, the light incident surface of the light-gathering cup structure is a plane, an outer convex curved surface or an inner concave curved surface, and the outer profile of the light-gathering cup structure is a curved surface-shaped structure gradually increasing from the rear end to the front end.
As can be seen from fig. 14, the light incident portion 101 is a light-gathering cup structure, an inner central area of the light-gathering cup structure is a concave cavity with an opening at one end, and an outer contour of the light-gathering cup structure is a curved structure gradually increasing from a rear end to a front end. The light-gathering cup shown in fig. 15 is a solid structure, the light incident surface is a plane, and the outer contour of the solid light-gathering cup is a curved surface structure gradually increasing from the rear end to the front end. The light-gathering cup structures of the two structures can gather and collimate the entering light, and then the light passes through the light-transmitting part 102 and is emitted out of the light-emitting part 103. The light incident surface of the light-gathering cup structure shown in fig. 15 may be a plane, and may also be an outer convex curved surface or an inner concave curved surface, and the specific structural form needs to be determined according to the actual light requirement.
As another specific structure form of the present invention, the lower end edge of the light-emitting portion 103 is formed with a low-beam cut-off line structure, and the low-beam cut-off line structure shape is adapted to the low-beam cut-off line shape to form a low-beam cut-off line. The light-emitting portion 103 is generally a curved structure recessed backward, and the curved structure can be used in combination with other optical elements to make the final image more clear.
Additionally, the utility model provides a car light module is formed with light propagation path in this car light module, along light propagation path by the backward in proper order include the light source and according to any one of above-mentioned technical scheme elementary optical element forward, the light source with go into light portion 101 one-to-one setting. The open end of the indent cavity of light-gathering cup structure or the income plain noodles of light-gathering cup structure set up towards the light source, and the light that the light source jetted out can get into light portion 101 better in, and light utilization ratio improves.
Further, the utility model also provides a car light, include according to above-mentioned technical scheme in the car light module.
Still further, the utility model provides a vehicle, include according to the car light in the above-mentioned technical scheme.
As can be seen from the above description, the primary optical element of the present invention, including the primary optical element body 1, the primary optical element body 1 is equipped with the light incident portion 101, the light passing portion 102 and the light emitting portion 103 from back to front in proper order, the light emitting portion 103 includes the light emitting surface 1031 and locates the light diffusion structure 1032 on the light emitting surface 1031, the light diffusion structure 1032 is a plurality of planes or curved surfaces arranged along the left and right directions, the up and down directions or inclined to the left and right directions. The utility model discloses a primary optical element sets up out plain noodles 1031 and light diffusion structure 1032 on light portion 103, improves the dispersion phenomenon of the light of the passing lamp that has the cut-off line and the gradient of cut-off line through the shape that changes light diffusion structure 1032, the mode of arranging and inclination, guarantees the linking homogeneity between the pixel facula of matrix headlight for the car light shape is more even, can form more diversified car light shape simultaneously.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (11)
1. The primary optical element is characterized by comprising a primary optical element body (1), wherein the primary optical element body (1) is sequentially provided with a light inlet part (101), a light passing part (102) and a light outlet part (103) from back to front, the light outlet part (103) comprises a light outlet surface (1031) and a light diffusion structure (1032) arranged on the light outlet surface (1031), and the light diffusion structure (1032) is a plurality of planes or curved surfaces which are arranged along the left-right direction, the up-down direction or inclined to the left-right direction.
2. The primary optical element of claim 1, wherein the light diffusing structures (1032) are stripe planes arranged along a left-right direction, an up-down direction, or an oblique left-right direction; or
The light diffusion structures (1032) are a plurality of block-shaped planes which are arranged along the left-right direction, the up-down direction or the oblique left-right direction.
3. The primary optical element of claim 2, wherein the block-shaped plane is a rectangular, triangular or polygonal plane.
4. The primary optical element as recited in claim 1, wherein the light diffusing structure (1032) is a plurality of concave-convex curved surfaces, convex-concave curved surfaces, or concave-concave curved surfaces arranged in a left-right direction, a top-bottom direction, or a direction inclined to the left-right direction; or
The light diffusion structure (1032) is a plurality of concave-convex block curved surfaces, convex block curved surfaces or concave block curved surfaces which are arranged along the left-right direction, the up-down direction or the direction inclined to the left-right direction.
5. The primary optical element as recited in any one of claims 1 to 4, characterized in that a light exit surface of the light diffusing structure (1032) is inclined to the light exit surface (1031) of the light exit portion (103).
6. The primary optical element according to one of claims 1 to 4, characterized in that the light entry portion (101) is a light-concentrating cup structure.
7. The primary optical element of claim 6, wherein the inner central region of the light-gathering cup structure is a concave cavity with an opening at one end, and the outer contour of the light-gathering cup structure is a curved structure gradually increasing from the rear end to the front end; or
The light-gathering cup structure is of a solid structure, the light incident surface of the light-gathering cup structure is a plane, an outer convex curved surface or an inner concave curved surface, and the outer contour of the light-gathering cup structure is a curved surface structure which is gradually increased from the rear end to the front end.
8. The primary optical element according to claim 1, characterized in that the lower end edge of the light exit portion (103) is formed with a low-beam cut-off line structure.
9. A vehicle lamp module in which a light propagation path is formed, characterized by comprising, in order from back to front along the light propagation path, a light source and a primary optical element according to any one of claims 1 to 8, the light source being disposed in one-to-one correspondence with the light entry portion (101).
10. A vehicular lamp characterized by comprising the vehicular lamp module according to claim 9.
11. A vehicle characterized by comprising the lamp according to claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020023788.9U CN211040828U (en) | 2020-01-06 | 2020-01-06 | Primary optical element, car lamp module, car lamp and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020023788.9U CN211040828U (en) | 2020-01-06 | 2020-01-06 | Primary optical element, car lamp module, car lamp and vehicle |
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| Publication Number | Publication Date |
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| CN211040828U true CN211040828U (en) | 2020-07-17 |
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| CN202020023788.9U Active CN211040828U (en) | 2020-01-06 | 2020-01-06 | Primary optical element, car lamp module, car lamp and vehicle |
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