CN117847466A - Car light and car - Google Patents

Abstract

The invention belongs to the field of automobiles, and in particular relates to a car lamp and an automobile, which comprise the following components: one or more light sources; a light guide body having: one or more entrance surfaces disposed opposite the light source; a first exit surface; a second exit surface; the reflecting surfaces are configured to reflect light beams emitted by the light source into a first emergent light beam and a second emergent light beam which form an included angle with each other, wherein the first emergent light beam is emitted from the first emergent surface and is emitted to the far end of the car lamp, and the second emergent light beam is emitted from the second emergent surface and is projected on a lamplight display carrier beside the car lamp. The invention integrates the functional lamp and the decorative lamp of the vehicle into one optical component, simplifies the lamp structure and meets the design requirement of the vehicle lamp.

Description

Car light and car

Technical Field

The invention belongs to the field of automobiles, and particularly relates to a car lamp and an automobile.

Background

Besides the headlight used for illumination, the automobile lamp has the following two functions, namely, the automobile lamp is used as a functional lamp for information interaction with the outside, such as a marker lamp, a turn signal lamp, a fog lamp and the like, and the automobile lamp is used for transmitting the running intention of the automobile to the outside so that other vehicles or pedestrians can take reasonable avoidance measures when approaching the automobile; secondly, as decorative lamps for improving appearance quality, such as RGB lamp strips, the lamps can improve the aesthetic degree of the vehicle and meet the personalized appearance requirements of users. However, the lamps in the prior art, especially the exterior lamps, have single functions, and generally can only be used as functional lamps or decorative lamps alone, and the two lamps cannot be integrated effectively, so that the lamp has a complex structure and cannot meet the design requirements.

Disclosure of Invention

In view of the above drawbacks of the prior art, an object of the present invention is to provide a vehicle lamp and a vehicle, so as to solve the problems of complex structure and single function of the existing exterior lamp.

To achieve the above and other related objects, the present invention provides a vehicle lamp comprising:

one or more light sources;

a light guide body having:

one or more entrance surfaces disposed opposite the light source;

a first exit surface;

a second exit surface;

the reflecting surfaces are configured to reflect light beams emitted by the light source into a first emergent light beam and a second emergent light beam which form an included angle with each other, wherein the first emergent light beam is emitted from the first emergent surface and is emitted to the far end of the car lamp, and the second emergent light beam is emitted from the second emergent surface and is projected on a lamplight display carrier beside the car lamp.

In an alternative embodiment of the present invention, the light source includes a circuit board and LED beads, and a plurality of the LED beads are linearly arranged on the circuit board; the LED lamp beads comprise single-color lamp beads and/or RGB lamp beads.

In an alternative embodiment of the present invention, the reflecting surface includes a first reflecting surface and a second reflecting surface, the light beam incident from the incident surface is reflected by the first reflecting surface and becomes parallel light propagating along a first direction, the second reflecting surface and the first emitting surface are respectively located in the first direction, and a part of the parallel light beam is emitted from the first emitting surface to form the first emitting light beam; and part of the light beams of the parallel light are reflected by the second reflecting surface and then emitted from the second emergent surface so as to form the second emergent light beams.

In an optional embodiment of the present invention, a light-blocking layer for separating the light beams emitted by different LED lamp beads is disposed in the light guide body.

In an alternative embodiment of the present invention, the reflecting surface is configured to reflect the light beam emitted by the single color bead to the first emitting surface, and to reflect the light beam emitted by the RGB bead to the second emitting surface.

In an alternative embodiment of the present invention, the light source includes a first light source and a second light source, where the first light source is a monochromatic light source, the second light source is an RGB light source, and the incident surface includes a first incident surface and a second incident surface, and the first incident surface and the second incident surface are disposed opposite to the first light source and the second light source, respectively.

In an alternative embodiment of the present invention, the light guide comprises at least two sub light guides arranged in a split manner.

In an alternative embodiment of the present invention, a light-masking layer is disposed outside the second exit surface, and the light-masking layer has a patterned light-transmitting area.

In an optional embodiment of the present invention, a decorative frame is respectively disposed on the upper and lower sides of the light guide body, the first exit surface and the second exit surface on the light guide body are located on one side of the decorative frame, and the light source is located on the other side of the decorative frame.

In an alternative embodiment of the invention, the light source and the light guide are enclosed in a lamp housing, one side of which is provided with a mask, the first exit face being arranged towards the mask.

To achieve the above and other related objects, the present invention also provides an automobile, including the lamp.

In summary, the functional lamp and the decorative lamp of the vehicle are integrated in the optical assembly, so that the lamp structure is simplified, and the design requirement of the vehicle lamp is met; according to the invention, by changing the LED type and adopting RGB LEDs, the color-changing projection function is realized; according to the invention, the application scene of the atmosphere lamp is overturned, the application scene in the automobile is expanded to the automobile exterior trim lamp, the welcome interaction is realized, the application cost is low, and the welcome function atmosphere is increased; and expanding a single color of the functional lamp into an atmosphere lamp to realize color projection interaction.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a cross-sectional view of a vehicle lamp according to an embodiment of the present invention;

FIG. 2 is a side view of a light guide and a light source provided by an embodiment of the present invention;

FIG. 3 is a perspective view of a light guide and a light source according to an embodiment of the present invention;

FIG. 4 is a partial perspective view of a light guide and a light source according to another embodiment of the present invention;

fig. 5 is a perspective view of a light guide and a light source according to another embodiment of the present invention.

Description of the reference numerals: 10. a light source; 101. a first light source; 102. a second light source; 11. a circuit board; 12. LED lamp beads; 121. single-color lamp beads; 122. RGB lamp beads; 20. a light guide; 201. a first light guide; 202. a second light guide; 21. an incidence surface; 211. a first incident surface; 212. a second incident surface; 22. a first exit surface; 23. a second exit surface; 24. a first reflecting surface; 25. a second reflecting surface; 26a, a first light tunnel; 26b, a second light tunnel; 30. a lamp housing; 40. a face mask; 50. a decorative frame; 60. a light display carrier; 70. a light masking layer; l1, a first emergent beam; l2, second emergent beam.

Detailed Description

Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict. It is also to be understood that the terminology used in the examples of the invention is for the purpose of describing particular embodiments only, and is not intended to limit the scope of the invention. The test methods in the following examples, in which specific conditions are not noted, are generally conducted under conventional conditions or under conditions recommended by the respective manufacturers.

Referring to fig. 1 to 5, it should be understood that the structures, proportions, sizes, etc. shown in the drawings are shown only for the purpose of adapting the disclosure, and are not intended to limit the applicable limitations of the present invention, so that any structural modification, change of proportion, or adjustment of size is not technically significant, and still falls within the scope of the disclosure without affecting the efficacy and achievement of the present invention. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the invention, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the invention may be practiced.

Where numerical ranges are provided in the examples, it is understood that unless otherwise stated herein, both endpoints of each numerical range and any number between the two endpoints are significant both in the numerical range. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs and to which this invention belongs, and any method, apparatus, or material of the prior art similar or equivalent to the methods, apparatus, or materials described in the examples of this invention may be used to practice the invention.

Referring to fig. 1-5, the present invention provides a vehicle lamp, including a light source 10 and a light guide 20, and it should be noted that the vehicle lamp of the present invention includes, but is not limited to, exterior lights of a vehicle, such as a tail light, and the following detailed description will make reference to a tail light, and it should be understood that in other embodiments, the vehicle lamp may be, for example, a headlight or grille atmosphere lamp located at a front end of a vehicle, or door handle atmosphere lamps located at two sides of the vehicle.

Example 1

Referring to fig. 1, 2 and 3, the vehicle lamp of the present embodiment includes a light source 10 and a light guide 20; it should be noted that, in this embodiment, the light source 10 does not mean that only one light emitting element is present, and in fact, the light source 10 includes a circuit board 11 and a plurality of light beads, and in this embodiment, the light source 10 is a monochromatic light source.

Referring to fig. 2, in the present embodiment, the light guide 20 has an incident surface 21, a first exit surface 22, a second exit surface 23, and two reflective surfaces, namely a first reflective surface 24 and a second reflective surface 25.

Referring to fig. 2, the incident surface 21 is disposed opposite to the light source 10, it is understood that the light beads can be regarded as point light sources, so that in order to convert the light beams emitted from the point light sources into parallel light beams, the light beads can be embedded in a groove disposed at the incident surface 21, and parabolic reflecting surfaces are disposed around the groove, the light beads are disposed at the focal points of the parabolic reflecting surfaces, and the scattered light emitted from the light beads is reflected by the parabolic reflecting surfaces and then becomes parallel light to be incident into the light guide 20; in a specific embodiment, the parabolic reflecting surface is formed on the surface of the light guide 20. It will be appreciated that in other embodiments, the parabolic reflecting surface may not be provided when parallel light sources are employed.

Referring to fig. 1 and 2, the first exit surface 22 faces to the side where the vehicle lamp is displayed, for example, a tail lamp, and the first exit surface 22 faces to the rear of the vehicle, and the light beam emitted from the first exit surface 22 is used as a functional light of the vehicle, such as a marker lamp or a brake lamp.

Referring to fig. 1 and 2, the second exit surface 23 faces the cover of the vehicle itself, for example, a tail lamp, and the second exit surface 23 may face an outer panel of a trunk tail door or an outer surface of a rear bumper. It will be appreciated that in other embodiments, the second exit surface 23 may also be oriented toward a door, a guest pedal, or the like.

Referring to fig. 2, the present embodiment includes two reflecting surfaces, the reflecting surfaces are configured to reflect the light beam emitted by the light source 10 into a first outgoing light beam L1 and a second outgoing light beam L2 having an included angle therebetween, where the first outgoing light beam L1 is emitted from the first outgoing surface 22 and directed to the far end of the vehicle lamp, and the second outgoing light beam L2 is emitted from the second outgoing surface 23 and projected onto the light display carrier 60 beside the vehicle lamp, and it can be understood that the light display carrier 60 is the tail gate outer plaque, the rear guard, the vehicle door or the welcome pedal mentioned above, and other parts. In a specific embodiment, the reflecting surface is located on the surface of the light guide 20, and the reflecting surface may be implemented by providing a reflective coating on the surface of the light guide 20.

The functional lamp and the decorative lamp of the vehicle are integrated in the optical assembly, so that the lamp structure is simplified, and the design requirement of the vehicle lamp is met.

Referring to fig. 2 and 3, in this embodiment, the light source 10 includes a circuit board 11 and LED beads 12, a plurality of the LED beads 12 are arranged on the circuit board 11 in a straight line, the LED beads 12 are single-color beads 121, and specific colors of the beads are not displayed, for example, red, yellow or white commonly used in functional lamps.

Referring to fig. 2, in the present embodiment, after the light beam incident from the incident surface 21 is reflected by the first reflecting surface 24, the light beam becomes parallel light propagating along a first direction, the second reflecting surface 25 and the first emitting surface 22 are respectively located in the first direction, and a part of the light beam of the parallel light is emitted from the first emitting surface 22 to form the first emitting light beam L1; a part of the parallel light beam is reflected by the second reflecting surface 25 and then emitted from the second emitting surface 23 to form the second emitting light beam L2.

Referring to fig. 1, a light-masking layer 70 is disposed outside the second exit surface 23, and the light-masking layer 70 has a patterned light-transmitting area. It can be understood that when the second outgoing beam L2 passes through the light masking layer 70, part of the light is blocked, so that a pattern can be projected on the surface of the vehicle body, and the shape of the pattern can be selected according to the design requirement, thereby further improving the appearance quality. In a specific embodiment, the light-masking layer 70 may be, for example, a coating or plating layer on the surface of the light guide 20, or may be a separate mesh-like structure.

Referring to fig. 1, a decorative frame 50 is disposed on each of the upper and lower sides of the light guide 20, the first exit surface 22 and the second exit surface 23 on the light guide 20 are located on one side of the decorative frame 50, and the light source 10 is located on the other side of the decorative frame 50. The decorative frame 50 may be made of a light shielding material, and when the decorative frame 50 is made of a light shielding material, it can shield the scattered light outside the light guide 20, so that the border of the bright area of the functional lamp is clearer.

Referring to fig. 1, the light source 10 and the light guide body 20 are encapsulated in a lamp housing 30, a mask 40 is disposed at one side of the lamp housing 30, the first exit surface 22 faces the mask 40, and the lamp is integrally encapsulated, so that the modular design of the lamp is realized, the transportation, the installation and the maintenance are convenient, and the waterproof and high-temperature-resistant performances are improved.

Example 2

Referring to fig. 4, the difference between the present embodiment and embodiment 1 is that the LED lamp beads 12 include a single-color lamp bead 121 and an RGB lamp bead 122, wherein the single-color lamp bead 121 is used as a functional lamp source, and the RGB lamp bead 122 is used as a decorative lamp source. In a specific embodiment, the single color beads 121 and the RGB beads 122 may be alternately arranged, for example, or may be arranged according to other preset rules.

Referring to fig. 4, the light blocking layer separates the light guide body 20 into a plurality of light tunnels corresponding to the LED beads 12 one by one, and the light tunnels are configured to isolate the light beams emitted by the single-color beads 121 and the RGB beads 122 from each other, and it is understood that the light tunnels can avoid mixing functional light and decorative light, and the light tunnels can be made of light guide materials with different refractive indexes, for example, pre-buried in the light guide body 20. Specifically, the light tunnel 26a corresponding to the single color bead 121 and the second light tunnel 26b corresponding to the RGB bead 122 are included, and in this embodiment, the reflecting surface is configured to reflect the light beam emitted by the single color bead 121 to the first emitting surface 22, and reflect the light beam emitted by the RGB bead 122 to the second emitting surface 23.

It can be appreciated that, in this embodiment, two different light sources 10 are used as the light sources of the functional light and the decorative light respectively, so that the decorative light has more appearance choices while improving the integration level, and the personalized requirements of different people are satisfied.

Example 3

Referring to fig. 5, the difference between the present embodiment and embodiment 1 is that the light source 10 includes a first light source 101 and a second light source 102, wherein the first light source 101 is a monochromatic light source, the second light source 102 is an RGB light source, the incident surface 21 includes a first incident surface 211 and a second incident surface 212, and the first incident surface 211 and the second incident surface 212 are disposed opposite to the first light source 101 and the second light source 102, respectively. It should be noted that, the difference between the present embodiment and embodiment 2 is that the single-color beads 121 and the RGB beads 122 of the present embodiment are respectively located on two different circuit boards 11, and one of the light sources 10 is integrally used as a functional light, and the other light source 10 is integrally used as a decorative light.

Referring to fig. 5, the light guide 20 includes two split sub-light guides, namely a first light guide 201 and a second light guide 202, wherein the first incident surface 211 is located on the first light guide 201, and the second incident surface 212 is located on the second light guide 202; the reflecting surface on the first light guide 201 is configured to reflect the light beam emitted by the first light source 101 to the first emitting surface 22; the reflecting surface on the second light guide 202 is configured to reflect the light beam emitted by the second light source 102 to the second exit surface 23.

Based on the embodiments, the invention further provides an automobile, which comprises the automobile lamp according to any one of the embodiments.

In summary, the functional lamp and the decorative lamp of the vehicle are integrated in the optical assembly, so that the lamp structure is simplified, and the design requirement of the vehicle lamp is met; according to the invention, by changing the LED type and adopting RGB LEDs, the color-changing projection function is realized; according to the invention, the application scene of the atmosphere lamp is overturned, the application scene in the automobile is expanded to the automobile exterior trim lamp, the welcome interaction is realized, the application cost is low, and the welcome function atmosphere is increased; and expanding a single color of the functional lamp into an atmosphere lamp to realize color projection interaction. Therefore, the invention effectively overcomes some practical problems in the prior art, thereby having high utilization value and use significance.

The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims (11)

1. A vehicle lamp, comprising:

one or more light sources;

a light guide body having:

one or more entrance surfaces disposed opposite the light source;

a first exit surface;

a second exit surface;

the reflecting surfaces are configured to reflect light beams emitted by the light source into a first emergent light beam and a second emergent light beam which form an included angle with each other, wherein the first emergent light beam is emitted from the first emergent surface and is emitted to the far end of the car lamp, and the second emergent light beam is emitted from the second emergent surface and is projected on a lamplight display carrier beside the car lamp.

2. The vehicle lamp of claim 1, wherein the light source comprises a circuit board and LED beads, a plurality of the LED beads being linearly arranged on the circuit board; the LED lamp beads comprise single-color lamp beads and/or RGB lamp beads.

3. The vehicle lamp according to claim 2, wherein the reflecting surface includes a first reflecting surface and a second reflecting surface, the light beam incident from the incident surface becomes parallel light propagating in a first direction after being reflected by the first reflecting surface, the second reflecting surface and the first emitting surface are respectively located in the first direction, and a part of the light beam of the parallel light is emitted from the first emitting surface to constitute the first emitting light beam; and part of the light beams of the parallel light are reflected by the second reflecting surface and then emitted from the second emergent surface so as to form the second emergent light beams.

4. The vehicle lamp according to claim 2, wherein a light-blocking layer for separating light beams emitted from different LED beads is provided in the light guide body.

5. The vehicle lamp of claim 2, wherein the reflective surface is configured to reflect light beams from the single color beads to the first exit surface and to reflect light beams from the RGB beads to the second exit surface.

6. The vehicle lamp of claim 1, wherein the light source comprises a first light source and a second light source, wherein the first light source is a monochromatic light source and the second light source is an RGB light source, and wherein the entrance face comprises a first entrance face and a second entrance face disposed opposite the first light source and the second light source, respectively.

7. The vehicle lamp of claim 1, wherein the light guide comprises at least two split sub-light guides.

8. The vehicle lamp according to claim 1, wherein a light-masking layer is provided outside the second exit surface, the light-masking layer having a patterned light-transmitting region.

9. The vehicle lamp according to claim 8, wherein decorative frames are respectively provided on upper and lower sides of the light guide body, the first exit surface and the second exit surface on the light guide body are located on one side of the decorative frames, and the light source is located on the other side of the decorative frames.

10. The vehicle lamp according to claim 1, wherein the light source and the light guide are enclosed in a lamp housing, one side of the lamp housing being provided with a face shield, the first exit face being arranged towards the face shield.

11. An automobile comprising the lamp according to any one of claims 1 to 10.