CN115199983A - Optical element, lighting module and car lamp - Google Patents
Optical element, lighting module and car lamp Download PDFInfo
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- CN115199983A CN115199983A CN202110388848.6A CN202110388848A CN115199983A CN 115199983 A CN115199983 A CN 115199983A CN 202110388848 A CN202110388848 A CN 202110388848A CN 115199983 A CN115199983 A CN 115199983A
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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
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/24—Light guides
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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
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
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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
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
- F21W2102/10—Arrangement or contour of the emitted light
- F21W2102/13—Arrangement or contour of the emitted light for high-beam region or low-beam region
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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
- F21W2103/00—Exterior vehicle lighting devices for signalling purposes
- F21W2103/55—Daytime running lights [DRL]
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention relates to the field of optical components, and provides an optical element, a lighting module and a vehicle lamp, wherein the optical element comprises a first optical unit and a second optical unit, the first optical unit comprises a first light incoming surface, a first light guide part and a first light outgoing surface which are sequentially connected, at least one first light condensing element is arranged on the first light incoming surface, the second optical unit comprises a second light incoming surface, a second light guide part and a second light outgoing surface which are sequentially connected, at least one second light condensing element is arranged on the second light incoming surface, the first light outgoing surface corresponds to the optical surface on the second light guide part, so that light rays projected by the first light outgoing surface can enter the second light guide part through the optical surface and emit to the second light outgoing surface, and an air gap is formed between the first light outgoing surface and the optical surface, so that light rays projected by the second light condensing element can be reflected to the second light outgoing surface. The optical element can enable lamps with various functions to share the same light-emitting surface, reduce the height of the light-emitting surface and enable the design of the lamps to be more compact.
Description
Technical Field
The invention relates to the technical field of optical components, in particular to an optical element. In addition, still relate to an illumination module and car light.
Background
With the rapid development of the automobile industry and the continuous improvement of living conditions of people, automobiles become one of indispensable transportation tools for people to go out. With the development of automobiles, the development trend of the automobile lamp, which is an extremely important and critical component in the automobile, is basically accompanied by the great development trend of the automobile, and as the automobile lamp which occupies a great proportion of both the model and the function, the challenge of the design of the automobile lamp is more and more severe in order to meet the model trend and guarantee the regulation and the functionality. The space requirement, the lighting mode, the lighting uniform effect and the cost requirement of consumers and clients of the whole automobile factory on the automobile lamp are gradually improved.
At present, the market demands more and more for the narrow and long model car lamp; meanwhile, the design of the vehicle lamp adopts function multiplexing, for example, a daytime running lamp and a high beam and/or a low beam are integrated together; however, the height of the light-emitting end of the distance/near light module is about 40mm, the height of the light-emitting end of the daytime running light is 6-20 mm, and the light-emitting end of the distance/near light module and the light-emitting end of the daytime running light are separate and independent optical surfaces, so that the sum of the heights of the distance/near light module and the daytime running light exceeds 40mm; the demand of consumers and entire car plant customers to reduce the height size of the lamp cannot be satisfied.
Therefore, a new optical element needs to be designed.
Disclosure of Invention
In view of this, the present invention is directed to an optical element, so that lamps with various functions can share the same light-emitting surface, the height of the light-emitting surface is reduced, and the design of the lamp is more compact.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
an optical element comprises a first optical unit and a second optical unit, wherein the first optical unit comprises a first light incoming surface, a first light guide part and a first light outgoing surface which are sequentially connected, at least one first light gathering element is arranged on the first light incoming surface, the second optical unit comprises a second light incoming surface, a second light guide part and a second light outgoing surface which are sequentially connected, at least one second light gathering element is arranged on the second light incoming surface, the first light outgoing surface corresponds to the optical surface on the second light guide part, so that light rays projected by the first light outgoing surface can enter the second light guide part through the optical surface and emit to the second light outgoing surface, and an air gap is formed between the first light outgoing surface and the optical surface, so that the light rays projected by the second light gathering element can be reflected to the second light outgoing surface.
Further, a total reflection surface opposite to the optical surface is disposed on the second light guide part, so that the light projected by the second light converging element is reflected by the total reflection surface and the optical surface in sequence and then emitted to the second light emitting surface.
Further, the second light guide part includes a first bending section, a second bending section and a third bending section, the second light incident surface is located on one end surface of the first bending section, the other end surface of the first bending section is connected with one end surface of the second bending section, the other end surface of the second bending section is connected with one end surface of the third bending section, the second light emergent surface is located on the other end surface of the third bending section, and the two opposite side surfaces of the second bending section are the optical surface and the total reflection surface respectively.
Further, the second condensing element and the second light emitting surface are located on the same side of the optical surface.
Further, a cut-off line forming structure is arranged at the bottom of the first light guide part.
Further, the first light-emitting surface is matched with the optical surface.
Further, the first light-gathering element and the second light-gathering element are both light-gathering devices or light-gathering cups.
Compared with the prior art, the optical element provided by the invention has the following advantages:
the optical element is divided into a first optical unit and a second optical unit, wherein a first light-emitting surface of the first optical unit and an optical surface on a second light guide part of the second optical unit are correspondingly arranged, so that light rays incident from the first light-gathering element sequentially pass through a first light-incident surface, the first light guide part, the first light-emitting surface and the optical surface to enter the second light guide part and are projected from the second light-emitting surface to form a light shape; meanwhile, an air gap is formed between the first light-emitting surface and the optical surface, so that the optical surface can reflect the light rays projected by the second light condensing element to the second light-emitting surface and form a light shape by projecting the light rays through the second light-emitting surface. The first light condensing element and the second light condensing element are respectively used for condensing light rays emitted by light sources with different functions, for example, the first light condensing element is used for condensing light rays emitted by a near light source so as to realize a near light illumination function, and the second light condensing element is used for condensing light rays emitted by a light source of a daytime running light so as to realize an illumination function of the daytime running light; the lighting functions share the same light-emitting surface, so that the height size of the light-emitting surface can be reduced to a smaller size, such as 15mm; the space design is more compact.
Another objective of the present invention is to provide a lighting module, which can reduce the height of the light emitting surface of the lighting module to a smaller size when a lamp with various functions is integrated.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
an illumination module provided with the optical element according to any one of the above technical aspects.
Further, the device comprises at least one first light source and at least one second light source, wherein each first light source is arranged in a one-to-one correspondence manner with each first light condensation element, and each second light source is arranged in a one-to-one correspondence manner with each second light condensation element.
The advantages of the lighting module and the optical element are the same as those of the prior art, and are not described herein again.
Another object of the present invention is to provide a vehicle lamp having a slim styling appearance.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a car light is provided with the lighting module in any one of the technical schemes.
The advantages of the car light and the lighting module are the same compared with the prior art, and are not described again
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is one of the isometric views of an optical element according to the first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a first optical unit according to a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of a second optical unit according to a first embodiment of the present invention;
FIG. 4 is a front view of an optical element according to a first embodiment of the present invention;
FIG. 5 is a rear view of an optical element according to a first embodiment of the present invention;
FIG. 6 is a left side view of an optical element according to a first embodiment of the present invention;
FIG. 7 is a right side view of an optical element according to a first embodiment of the present invention;
FIG. 8 is a top view of an optical element according to a first embodiment of the present invention;
FIG. 9 is a bottom view of an optical element according to a first embodiment of the present invention;
FIG. 10 is a second isometric view of an optical element according to the first embodiment of the invention;
FIG. 11 is a schematic light diagram of a daytime running light according to a first embodiment of the invention;
FIG. 12 is a schematic light shape of a low beam in accordance with a first embodiment of the present invention;
FIG. 13 is one of an isometric view of an optical element according to a second embodiment of the present invention;
fig. 14 is a schematic structural diagram of a first optical unit according to a second embodiment of the present invention;
FIG. 15 is a schematic structural diagram of a second optical unit according to a second embodiment of the present invention;
FIG. 16 is a front view of an optical element according to a second embodiment of the present invention;
FIG. 17 is a rear view of an optical element according to a second embodiment of the present invention;
FIG. 18 is a left side view of an optical element according to a second embodiment of the present invention;
FIG. 19 is a right side view of an optical element according to a second embodiment of the present invention;
FIG. 20 is a top view of an optical element according to a second embodiment of the present invention;
FIG. 21 is a bottom plan view of an optical element according to a second embodiment of the present invention;
FIG. 22 is a second isometric view of an optical element according to a second embodiment of the invention;
FIG. 23 is a schematic optical path diagram of an optical element according to a first embodiment of the present invention;
fig. 24 is a schematic light shape diagram of a daytime running light according to a second embodiment of the invention;
fig. 25 is a schematic view of the light shape of a low beam according to a second embodiment of the present invention.
Description of reference numerals:
1 first light guide portion 11 cut-off line forming structure
2 first light-emitting surface 3 first light-condensing element
4 second light guide part 5 second light-emitting surface
6 second light-condensing element 7 optical surface
8 total reflection surface
Detailed Description
In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.
In addition, for convenience of describing the present invention and simplifying the description, the term "front and rear" refers to the front and rear direction of the optical element along the light emitting direction, generally substantially the same as the front and rear direction of the vehicle, for example, the second light emitting surface 5 is located in front, and relatively the second condensing element 6 is located in rear, the term "up and down" refers to the up and down direction of the optical element itself, generally substantially the same as the up and down direction of the vehicle during use, for example, the cut-off line forming structure is located below, and the term "inside and outside" refers to the inside and outside direction of the optical element itself, for example, referring to fig. 15 and 20, the total reflection surface 8 is located outside, and relatively the optical surface 7 is located inside; the terminology is based on the orientations and positional relationships illustrated in the drawings, and is not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention; also, the directional terms of the lighting module of the present invention should be understood in conjunction with the actual installation state.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 25, an optical element according to a basic technical solution of the present invention includes a first optical unit and a second optical unit, where the first optical unit includes a first light incident surface, a first light guide portion 1, and a first light emitting surface 2, which are connected in sequence, the first light incident surface is provided with at least one first light condensing element 3, the second optical unit includes a second light incident surface, a second light guide portion 4, and a second light emitting surface 5, which are connected in sequence, the second light incident surface is provided with at least one second light condensing element 6, the first light emitting surface 2 corresponds to an optical surface 7 on the second light guide portion 4, so that light rays projected by the first light emitting surface 2 enter the second light guide portion through the optical surface 7 and are emitted to the second light emitting surface 5, and an air gap is formed between the first light emitting surface 2 and the optical surface 7, so that light rays projected by the second light condensing element 6 can be reflected to the second light emitting surface 5.
The optical element of the present invention is composed of a first optical unit and a second optical unit, the first optical unit and the second optical unit are arranged in front and back, wherein the first light emitting surface 2 of the first optical unit is matched with the optical surface 7 of the second optical unit, referring to fig. 1 to 3 or fig. 13 to 15, an air gap is formed between the first light emitting surface 2 and the optical surface 7, referring to fig. 23, the structure design bends the light propagation path between the second light condensing element 6 and the second light emitting surface 5, in the light propagation path, the air gap makes the optical surface 7 to be a reflecting surface, and the light incident into the second light guide 4 from the second light condensing element 6 is reflected to the second light emitting surface 5, so that the light shapes of various functional lamps, such as a daytime running lamp, a position lamp, a turn lamp, etc., can be formed; meanwhile, the light propagation path between the first light emitting surface 2 and the second light emitting surface 5 is not bent, and the optical surface 7 does not prevent the light projected by the first light emitting surface 2 from entering the optical surface 7, so that the light projected by the first light emitting surface 2 can directly pass through the optical surface 7 and the second light emitting surface 5 in sequence and then be emitted to form a light shape. The optical element of the invention thus integrates various functional lamps, for example, the second light concentrating element 6 for the function of daytime running light and the first light concentrating element 3 for the function of low beam light; the functional lamps share one light-emitting surface, so that the light-emitting area is reduced, the height size of the second light-emitting surface 5 can be reduced to a smaller size, such as 15mm, the lamp design is more compact, the size of the lamp is effectively reduced, and the vehicle lamp has a long and narrow appearance.
For convenience of description, the following description will be given taking as an example that the second condensing element 6 is used to realize the function of a daytime running light and the first condensing element 3 is used to realize the function of a low beam light.
As a specific structural form of the optical element, referring to fig. 1 to 3, the first optical unit includes a first light incident surface, a first light guide portion 1 and a first light emitting surface 2, the first light incident surface, the first light guide portion 1 and the first light emitting surface 2 are sequentially connected, the first light incident surface is provided with first light condensing elements 3, the number of the first light condensing elements 3 is selected according to design requirements, the first light condensing elements 3 are arranged on the first light incident surface in a linear or array manner, and light incident on the first light incident surface can directly irradiate the first light emitting surface 2. A cut-off line forming structure 11 may be further disposed on the first light guide part 1, so that the light can be used to form a low beam shape after passing through the cut-off line forming structure 11. The second optical unit includes a second light incident surface, a second light guiding portion 4 and a second light emitting surface 5, the second light incident surface is provided with a second condensing element 6, the number of the second condensing elements 6 is selected according to design requirements, the second condensing elements 6 are arranged on the second light incident surface in a linear or array manner, the side surface of the second light guiding portion 4 is an optical surface 7, and the second light emitting surface 5 and the second condensing elements 6 are both located on the same side of the optical surface 7, so that a light propagation path between the second light emitting surface 5 and the second condensing elements 6 is bent. The second optical unit is positioned in front of the first optical unit, the optical surface 7 is matched with the first light-emitting surface 2, the matching means that the optical surface 7 is close to the first light-emitting surface 2, an air gap is formed between the optical surface 7 and the first light-emitting surface 2, and the shape and the size of the optical surface 7 are the same as those of the first light-emitting surface 2; in the light propagation path between the second light emitting surface 5 and the second condensing element 6, the optical surface 7 is formed as a reflecting surface by an air gap, so that the light projected by the second condensing element 6 can be reflected to the second light emitting surface 5; meanwhile, in the light propagation path between the first light condensing element 3 and the second light emitting surface 5, the light projected by the first light condensing element 3 can directly pass through the optical surface 7 and irradiate towards the second light emitting surface 5; therefore, the daytime running light and the dipped headlight share the second light emitting surface 5, so that the height of the second light emitting surface 5 can be designed to be smaller, and the lamp design is more compact.
In the embodiment of fig. 1, the second light condensing element 6 is located below the second light guide portion 4, and a simple structural change can be made thereto, and for example, the same function can be achieved by providing the second light condensing element 6 above the second light guide portion 4.
As another specific structural form of the optical element, referring to fig. 13 to 15, the first optical unit includes a first light incident surface, a first light guiding portion 1 and a first light emitting surface 2, the first light incident surface, the first light guiding portion 1 and the first light emitting surface 2 are sequentially connected, a first light condensing element 3 is disposed on the first light incident surface, the number of the first light condensing elements 3 is selected according to design requirements, the first light condensing elements 3 are arranged on the first light incident surface in a linear or array manner, and light incident on the first light incident surface can directly irradiate the first light emitting surface 2. A cut-off line forming structure 11 may be further disposed on the first light guide part 1, so that the light can be used to form a low beam shape after passing through the cut-off line forming structure 11. The second optical unit includes a second light incident surface, a second light guiding portion 4 and a second light emitting surface 5, the second light incident surface is provided with a second light condensing element 6, the number of the second light condensing elements 6 is selected according to design requirements, the second light condensing elements 6 are arranged on the second light incident surface in a linear or array manner, two opposite side surfaces of the second light guiding portion 4 are an optical surface 7 and a total reflection surface 8, and a light propagation path between the second light emitting surface 5 and the second light condensing element 6 is bent. The second optical unit is positioned in front of the first optical unit, the optical surface 7 is matched with the first light-emitting surface 2, the matching means that the optical surface 7 is close to the first light-emitting surface 2, an air gap is formed between the optical surface 7 and the first light-emitting surface 2, and the shape and the size of the optical surface 7 are the same as those of the first light-emitting surface 2; in a light propagation path between the second light emitting surface 5 and the second condensing element 6, the optical surface 7 is formed as a reflecting surface by an air gap, so that the light projected by the second condensing element 6 can be reflected twice by the total reflecting surface 8 and the optical surface 7 in sequence and then emitted to the second light emitting surface 5; meanwhile, in the light propagation path between the first light-gathering element 3 and the second light-emitting surface 5, the light projected by the first light-gathering element 3 can directly pass through the optical surface 7 and emit to the second light-emitting surface 5; therefore, the daytime running light and the dipped headlight share one second light-emitting surface 5, so that the height of the second light-emitting surface 5 can be designed to be smaller, and the lamp design is more compact.
It can be understood that a light shielding plate may be used instead of the cut-off line forming structure 11, and the light shielding plate is disposed in front of the second light emitting surface 5 to selectively shield light, so as to implement a low beam function.
In a specific embodiment, the second light guiding portion 4 is composed of three portions, i.e., a first bending section, a second bending section and a third bending section, the second light incident surface is located at one end surface of the first bending section, the other end surface of the first bending section is connected with one end surface of the second bending section, the other end surface of the second bending section is connected with one end surface of the third bending section, the second light emitting surface 5 is located at the other end surface of the third bending section, the first bending section, the second bending section and the third bending section are sequentially connected to form a bending structure, two opposite side surfaces of the second bending section are an optical surface 7 and a total reflection surface 8, the total reflection surface 8 is located outside relative to the optical surface 7, light rays projected by the second condensing element 6 are emitted to the total reflection surface 8, then reflected by the total reflection surface 8 to the optical surface 7, and then reflected twice by the optical surface 7 to the second light emitting surface 5.
Generally, the first light condensing element 3 and the second light condensing element 6 may be an existing light condensing structure, such as a light condenser, a light condensing cup, etc., and can condense and collimate light.
In a preferred embodiment of the present invention, the optical element includes a first optical unit and a second optical unit, as shown in fig. 1 to 12, the first optical unit includes a first light incident surface, a first light guide portion 1 and a first light emitting surface 2, the first light incident surface, the first light guide portion 1 and the first light emitting surface 2 are sequentially connected, and a first light condensing element 3 is disposed on the first light incident surface; the second optical unit comprises a second light incoming surface, a second light guide part 4 and a second light outgoing surface 5, the second light incoming surface, the second light guide part 4 and the second light outgoing surface 5 are sequentially connected, a second light condensing element 6 is arranged on the second light incoming surface, the side surface of the second light guide part 4 is formed into an optical surface 7, and the second light outgoing surface 5 and the second light condensing element 6 are positioned on the same side of the optical surface 7, so that a light propagation path between the second light outgoing surface 5 and the second light condensing element 6 is bent; the second optical unit is positioned in front of the first optical unit, and an air gap is formed between the optical surface 7 and the first light-emitting surface 2; or, referring to fig. 13 to 25, the second optical unit includes a second light incident surface, a second light guide portion 4, and a second light emitting surface 5, the second light incident surface, the second light guide portion 4, and the second light emitting surface 5 are sequentially connected, a second condensing element 6 is disposed on the second light incident surface, the second light guide portion 4 is divided into a first bending section, a second bending section, and a third bending section, the first bending section, the second bending section, and the third bending section are sequentially connected to form a bending structure, the second light incident surface is located on an end surface of the first bending section, the second light emitting surface 5 is located on an end surface of the third bending section, two opposite side surfaces of the second bending section are an optical surface 7 and a total reflection surface 8, the total reflection surface 8 is located on an outer side surface of the second light guide portion 4, and the optical surface 7 is located on an inner side surface of the second light guide portion 4, so as to bend a light propagation path between the second light emitting surface 5 and the second condensing element 6; the second optical unit is located in front of the first optical unit, and an air gap is formed between the optical surface 7 and the first light-emitting surface 2.
The optical element and the light source of the invention are combined to form the lighting module, specifically, the lighting module comprises a first light source and a second light source, each first light source corresponds to each first light-gathering element 3 one by one, the first light-gathering elements 3 can gather the light emitted by the corresponding first light source, similarly, each second light source corresponds to each second light-gathering element 6 one by one, and the second light-gathering elements 6 can gather the light emitted by the corresponding second light source. The first light source may be a low beam light source capable of forming a low beam light shape as shown in fig. 12 or fig. 25, the second light source may be a daytime running light source capable of forming a light shape similar to concentric circles as shown in fig. 11 or fig. 24, and the low beam light and the daytime running light are integrated to share a light emitting surface.
It should be noted that the present invention is not limited to the integration of the dipped headlight and the daytime running light, and the high beam may be integrated with the daytime running light, that is, the first light source may be the light source of the high beam; or, the dipped headlight, the high beam and the daytime running light can be integrated, a plurality of first light sources are arranged, one part of the first light sources are used as the light sources of the dipped headlight, and the other part of the first light sources are used as the light sources of the high beam; alternatively, by analogy, a plurality of functional lamps such as a low beam lamp, a high beam lamp, a daytime running lamp, a position lamp, and a turn signal lamp may be integrated, and the first light source and the second light source may be used as light sources of various functional lamps.
The embodiment of the vehicle lamp according to the present invention may have the optical element described in the above embodiment, that is, all the technical solutions of the embodiments using all the optical elements described above, and therefore, at least the advantageous effects of all the technical solutions of the embodiments using all the optical elements described above are obtained.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. An optical element is characterized by comprising a first optical unit and a second optical unit, wherein the first optical unit comprises a first light incoming surface, a first light guide part (1) and a first light outgoing surface (2) which are sequentially connected, at least one first light gathering element (3) is arranged on the first light incoming surface, the second optical unit comprises a second light incoming surface, a second light guide part (4) and a second light outgoing surface (5) which are sequentially connected, at least one second light gathering element (6) is arranged on the second light incoming surface, the first light outgoing surface (2) corresponds to the optical surface (7) on the second light guide part (4) so that light rays projected by the first light outgoing surface (2) can enter the second light guide part through the optical surface (7) and emit towards the second light outgoing surface (5), and an air gap is formed between the first light outgoing surface (2) and the optical surface (7) so that the light rays projected by the second light gathering element (6) can be reflected towards the second light outgoing surface (5).
2. The optical element according to claim 1, wherein a total reflection surface (8) is disposed on the second light guide portion opposite to the optical surface (7), so that the light projected by the second light condensing element is reflected by the total reflection surface (8) and the optical surface (7) in sequence and then emitted to the second light emitting surface (5).
3. The optical component according to claim 2, wherein the second light guiding portion (4) includes a first bending section, a second bending section and a third bending section, the second light incident surface is located at one end surface of the first bending section, the other end surface of the first bending section is connected to one end surface of the second bending section, the other end surface of the second bending section is connected to one end surface of the third bending section, the second light emitting surface (5) is located at the other end surface of the third bending section, and two opposite side surfaces of the second bending section are the optical surface (7) and the total reflection surface (8), respectively.
4. Optical element according to claim 1, characterized in that the second condensing element (6) is located on the same side of the optical surface (7) as the second light exit surface (5).
5. An optical element according to any one of claims 1 to 4, wherein a bottom of the first light guide portion (1) is provided with a cut-off line forming structure (11).
6. An optical element according to any one of claims 1 to 4, characterized in that the first light exit surface (2) is congruent with the optical surface (7).
7. The optical element according to any one of claims 1 to 4, characterized in that the first light-concentrating element (3) and the second light-concentrating element (6) are both light concentrators or light-concentrating cups.
8. An illumination module characterized in that an optical element according to any one of claims 1 to 7 is provided.
9. The lighting module according to claim 8, comprising at least one first light source and at least one second light source, wherein each first light source is arranged in a one-to-one correspondence with each first condensing element (3), and each second light source is arranged in a one-to-one correspondence with each second condensing element (6).
10. A vehicle lamp characterized in that the lighting module according to claim 8 or 9 is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110388848.6A CN115199983A (en) | 2021-04-12 | 2021-04-12 | Optical element, lighting module and car lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110388848.6A CN115199983A (en) | 2021-04-12 | 2021-04-12 | Optical element, lighting module and car lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115199983A true CN115199983A (en) | 2022-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110388848.6A Pending CN115199983A (en) | 2021-04-12 | 2021-04-12 | Optical element, lighting module and car lamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117537299A (en) * | 2024-01-09 | 2024-02-09 | 华域视觉科技(上海)有限公司 | Optical system, car lamp and vehicle |
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2021
- 2021-04-12 CN CN202110388848.6A patent/CN115199983A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117537299A (en) * | 2024-01-09 | 2024-02-09 | 华域视觉科技(上海)有限公司 | Optical system, car lamp and vehicle |
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