CN214222982U - Car light and vehicle - Google Patents
Car light and vehicle Download PDFInfo
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- CN214222982U CN214222982U CN202022834548.XU CN202022834548U CN214222982U CN 214222982 U CN214222982 U CN 214222982U CN 202022834548 U CN202022834548 U CN 202022834548U CN 214222982 U CN214222982 U CN 214222982U
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- light guide
- optical coupler
- fixing plate
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Abstract
The utility model discloses a car light belongs to vehicle lighting technology field, the car light includes: a light emitting device, an optical coupler, a light guide, and a lamp cover; the input end of the optical coupler is connected with the light-emitting device, the output end of the optical coupler is connected with the light guide piece, and the optical coupler is used for coupling light rays emitted by the light-emitting device into the light guide piece; the light guide part is opposite to the lampshade, and the light guide part is used for transmitting the light to a position opposite to the lampshade so that the light can be emitted from the lampshade. Therefore, the vehicle lamp avoids reducing the lighting effect of the light emitting device while ensuring the brightness of the light emitting surface of the lampshade to be consistent.
Description
Technical Field
The utility model belongs to the technical field of the vehicle lighting, concretely relates to car light and vehicle.
Background
Because LEDs (Light Emitting diodes) have many advantages of low power consumption, high lighting efficiency, low heat, long service life, wide color temperature realizable range, low fragility, good shock resistance, no delayed response during lighting, and the like, LEDs (Light Emitting diodes) are mostly used as Light sources in the conventional vehicle lamps.
Among the prior art, vehicle car light includes a plurality of LED lamp pearls. Because LED lamp pearl is the pointolite luminous, the luminous intensity of pointolite is high, produces dazzling glare easily, when the car meeting, takes place the traffic accident easily, in order to solve this problem, covers a lamp shade outside every LED lamp pearl usually, the internal surface coating of lamp shade has the light diffusion material, the light diffusion material can become the pointolite into the area source, like this, every LED lamp pearl sees through the lamp shade can send even soft light.
However, in order to make the brightness of the light emitted by the LED lamp beads through the lampshade uniform, the transmittance of the light diffusion material in the LED lampshade needs to be adjusted, but adjusting the transmittance of the light diffusion material easily causes the light efficiency of the LED lamp beads to decrease.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a car light and vehicle can solve among the prior art the inconsistent problem of luminance of the light that a plurality of LED lamp pearls see through the lamp shade and send.
In order to solve the technical problem, the utility model discloses a realize like this:
in a first aspect, an embodiment of the present invention provides a vehicle lamp, including: a light emitting device, an optical coupler, a light guide, and a lamp cover;
the input end of the optical coupler is connected with the light-emitting device, the output end of the optical coupler is connected with the light guide piece, and the optical coupler is used for coupling light rays emitted by the light-emitting device into the light guide piece;
the light guide part is opposite to the lampshade, and the light guide part is used for transmitting the light to a position opposite to the lampshade so that the light can be emitted from the lampshade.
Further, the vehicle lamp further includes: the optical coupler and the light guide piece are fixed on the fixing plate;
the lampshade covers the outside of the light guide piece and is fixedly connected with the fixing plate.
Further, the light guide member is a whole body light emitting optical fiber or a light guide plate.
Furthermore, the whole body light-emitting optical fiber can be deformed, and is uniformly laid on the fixing plate.
Furthermore, the fixed plate is provided with a positioning groove matched with the light guide piece in shape, and the light guide piece is embedded in the positioning groove.
Further, the optical coupler is fixed to a side of the fixing plate.
Further, the lampshade comprises a light-transmitting plate and a side plate arranged on the side edge of the light-transmitting plate in the direction towards the fixing plate;
the shape of the light-transmitting plate is matched with that of the fixing plate, and the side plate is fixedly connected with the fixing plate.
Further, the optical coupler is a linear photocoupler.
Further, the light emitting device is at least one of a light emitting diode, a laser diode, and an organic light emitting diode.
To sum up, the embodiment of the utility model provides a car light have following advantage at least:
in an embodiment of the present invention, the vehicle lamp includes: the input end of the optical coupler is electrically connected with the light-emitting device, and the output end of the optical coupler is electrically connected with the light guide piece, so that the optical coupler can couple light rays emitted by the light-emitting device into the light guide piece; through setting up leaded light spare and lamp shade relatively, like this, the leaded light spare just can conduct light to the position relative with the lamp shade to optic fibre can follow the lamp shade and jets out, and, the luminance of lamp shade light emitting area is unanimous. Therefore, the vehicle lamp avoids reducing the lighting effect of the light emitting device while ensuring the brightness of the light emitting surface of the lampshade to be consistent.
In a second aspect, an embodiment of the present invention provides a vehicle, which specifically includes the above-mentioned lamp.
The vehicle and the lamp have the same advantages compared with the prior art, and the detailed description is omitted.
Drawings
Fig. 1 is a schematic structural diagram of a vehicle lamp according to an embodiment of the present invention.
Description of reference numerals:
10-light emitting device, 20-optical coupler, 30-light guide, 40-lampshade, 50-fixing plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The terms "first," "second," and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention may be practiced in sequences other than those illustrated or described herein. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
The following describes the vehicle lamp and the vehicle provided by the embodiments of the present invention in detail through specific embodiments and application scenarios thereof with reference to the accompanying drawings.
In the prior art, an OLED (organic light emitting diode) has many advantages, such as high brightness, high efficiency, wide viewing angle, self-luminescence, all solid state, ultra-thin and ultra-light, simple manufacturing process, fast response speed, capability of realizing full-color display, good machining performance, and the like, and thus is widely applied to a plurality of fields. At present, a plurality of OLEDs are adopted as light sources of the vehicle lamp, however, the OLED has high manufacturing process requirements and low yield, so that the price of OLED products is high, and the production cost of the vehicle lamp is high.
Referring to fig. 1, fig. 1 shows a schematic structural diagram of a vehicle lamp according to an embodiment of the present invention, and this embodiment provides a vehicle lamp, which may specifically include: a light emitting device 10, a photo coupler 20, a light guide 30, and a lamp cover 40;
the input end of the optical coupler 20 is connected to the light emitting device 10, the output end of the optical coupler 20 is connected to the light guide member 30, and the optical coupler 20 can be used for coupling the light emitted from the light emitting device 10 into the light guide member 30; the light guide 30 is opposite to the lamp housing 40, and the light guide 30 may be used to guide light to a position opposite to the lamp housing 40 so that the light is emitted from the lamp housing 40.
Specifically, the light emitting device 10 is a light source and emits light when it is energized.
In practical applications, the optical coupler 20 may also be called a photo isolator or a photo coupler, which is referred to as an optical coupler for short. It is a device that transmits electric signal by using light as medium, and usually the light emitter and the light receiver are packaged in the same package. When the input end is electrified, the light emitter emits light, and the light receiver receives the light, then photocurrent is generated and flows out from the output end, thereby realizing 'electro-optic-electro' conversion. The optical coupler 20 has the advantages of small size, long service life, no contact, strong anti-interference capability, insulation between output and input, unidirectional signal transmission and the like.
Specifically, in the present embodiment, the light emitting device 10 is connected to the input end of the optical coupler 20, and the output end of the optical coupler 20 is connected to the light guide 30, so that the optical coupler 20 can couple the light emitted from the light emitting device 10 into the light guide 30.
Specifically, the light guide member 30 is made of a material that is transparent to light, so that the light passes through the light guide member 30 to make the entire light guide member 30 emit light, the light in the light guide member 30 can be emitted, and the brightness of the entire light guide member 30 is uniform.
Specifically, the light guide member 30 is opposite to the lamp shade 40, that is, the lamp shade 40 is located in the direction in which the light of the light guide member 30 is emitted, so that the light guide member 30 can conduct the light therein to the position opposite to the lamp shade 40, so that the light in the light guide member 30 can be emitted from the lamp shade 40, and the brightness of the light emitting surface of the whole lamp shade 40 is uniform. Compared with the prior art, the vehicle lamp of the embodiment can adopt one light emitting device 10 as a light source, increase the light emitting area through the light guide member 30, and can make the brightness of the whole light emitting surface of the vehicle lamp consistent, and at the same time of ensuring the brightness consistency, the light effect of the light emitting device 10 can not be reduced, so that the brightness of the light emitting device 10 can not be reduced or the power of the light emitting device 10 can not be increased.
In addition, the car light of prior art adopts a large amount of LED or OLED's lamp pearl to increase light-emitting area, can cause the manufacturing cost of car light higher, compares with prior art, and the car light of this embodiment has reduced light emitting device's quantity to manufacturing cost has been reduced.
It should be noted that, in this embodiment, the light emitting device 10, the optical coupler 20 and the light guide 30 connected in sequence can be regarded as a whole, which is called as a light source structure of the car lamp, in practical application, if the area of the car lamp required to emit light is large, a plurality of sets of light source structures can be adopted, and then the lamp shade 40 covers the plurality of sets of light source structures. Specifically, several groups of light source structures are required, which can be set according to the light emitting area required by the actual vehicle lamp and the area of the light guide member 30, and this embodiment is not limited to this.
In the embodiment of the present invention, as shown in fig. 1, the vehicle lamp further includes: the fixing plate 50, the optical coupler 20 and the light guide member 30 are fixed to the fixing plate 50; the lamp cover 40 covers the light guide member 30 and is fixedly connected to the fixing plate 50.
Specifically, in order to facilitate the fixing of the optical coupler 20 and the light guide member 30, and to facilitate the installation of the light source structure in a designated area of the vehicle, the vehicle lamp of the present embodiment further includes a fixing plate 50, the fixing plate 50 is detachably connected to the designated area of the vehicle, both the optical coupler 20 and the light guide member 30 are fixed to a surface (hereinafter referred to as an outer surface) of the fixing plate 50 close to the lamp shade 40, the lamp shade 40 covers the light guide member 30, and is fixedly connected to the outer surface of the fixing plate 50 by a fixing method such as adhesion, clamping, and the like, and the specific fixing method adopted by the present embodiment for the lamp shade 40 and the fixing plate 50 may not be limited.
In the embodiment of the present invention, the light guide member 30 may be a whole body light emitting fiber or a light guide plate.
Specifically, the light guide member 30 may be a light guide plate fixed to the outer surface of the fixing plate 50, and the light guide plate may perform surface light emission, that is, when the optical coupler 20 guides the light emitted from the light emitting device 10 into the light guide plate, the entire light guide plate emits light, so as to increase the light emitting area of the light emitting device 10, that is, change the point light source into a surface light source, and the light emitted from the entire light guide plate may be emitted through the lamp housing 40, and since the brightness of the light guide plate is uniform, the brightness of the light emitting surface of the entire lamp housing 40 is uniform.
Specifically, as shown in fig. 1, the light guide 30 may be a whole body light emitting fiber, also referred to as a side light fiber, and may emit light in a line, and the light may be uniformly scattered in the longitudinal direction of the fiber. The whole body luminous optical fiber is laid on the outer surface of the fixing plate 50, and the position of the whole body luminous optical fiber is laid, so that linear light emission can be performed, that is, when the optical coupler 20 guides light emitted by the light emitting device 10 into the whole body luminous optical fiber, the whole body luminous optical fiber emits light, the light emitting area of the light emitting device 10 is increased, and the light emitted by the whole body luminous optical fiber can be emitted out through the lampshade 40, and the brightness of the whole body luminous optical fiber is consistent, so that the brightness of the light emitting surface of the whole lampshade 40 is consistent.
It should be noted that, the light guide member 30 specifically adopts a light guide plate or a whole body light emitting optical fiber, which can be selected according to actual situations, and this embodiment does not limit this, and in order to reduce the cost, the whole body light emitting optical fiber is preferable for the light guide member 30.
In the embodiment of the present invention, the whole body light-emitting optical fiber is deformable, and the whole body light-emitting optical fiber is uniformly laid on the fixing plate 50.
Specifically, the whole body light-emitting optical fiber is a long strip, is flexible, can be bent and shaped at will, and in order to make the brightness of the light-emitting surface of the lampshade 40 centralized and uniform, the whole body light-emitting optical fiber can be bent according to the shape of the fixing plate 50 and uniformly laid on the outer surface of the fixing plate 50, and how to lay and bend, the embodiment is not limited, and the whole body light-emitting optical fiber can be arranged in rows, columns, or spiral rows, in short, the whole body light-emitting optical fiber is uniformly arranged on the outer surface of the fixing plate 50, and fig. 1 is a schematic diagram of the whole body light-emitting optical fiber arranged in rows.
In the embodiment of the present invention, the fixing plate 50 is provided with a positioning groove adapted to the shape of the light guide member 30, and the light guide member 30 is embedded in the positioning groove.
Specifically, in order to improve the installation stability of the light guide 30, the fixing plate 50 is provided with a positioning groove adapted to the shape of the light guide 30, and the light guide 30 is embedded in the positioning groove.
In practical application, when leaded light spare 30 is whole body light-emitting fiber, because whole body light-emitting fiber is soft, longer, and is difficult for fixing a position, in order to improve whole body light-emitting fiber's positioning accuracy, can set up the constant head tank with whole body light-emitting fiber shape looks adaptation on the surface of fixed plate 50, whole body light-emitting fiber inlays to be located in the constant head tank. Furthermore, in order to improve the installation stability of the whole luminous optical fiber, the whole luminous optical fiber can be fixed by glue, so that the whole luminous optical fiber is fixed in the positioning groove.
In practical applications, when the light guide member 30 is a light guide plate, the light guide plate is generally planar, and therefore, the light guide plate can be directly fixed to the outer surface of the fixing plate 50 for simplifying the process and saving the cost. Of course, in order to improve the installation stability of the light guide plate, a positioning groove matched with the shape of the light guide plate may be formed in the outer surface of the fixing plate 50, the light guide plate is embedded in the positioning groove, and then the light guide plate is fixed by glue. It should be noted that, in order to improve the aesthetic property of the car light, the glue is transparent glue.
In the embodiment of the present invention, the optical coupler 20 is fixed to the side of the fixing plate 50.
Specifically, in order to increase the area of the light guide 30, further increase the light emitting area of the vehicle lamp, and facilitate the arrangement of the light guide 30, the optical coupler 20 may be disposed on the side of the fixing plate 50 in the present embodiment, for example, the fixing plate 50 is rectangular, and as shown in fig. 1, the optical coupler 20 may be disposed on the side near any one of the four vertexes of the rectangle. Further, in order to facilitate the optical coupler 20 to guide the light emitted from the light emitting device 10 into the light guide member 30 in parallel, the optical coupler 20 is disposed flush with the light guide member 30. The fixing method of the optical coupler 20 may be set according to the specific structure of the optical coupler 20, and may be a fixing method such as adhesion or detachable connection. The shape of the fixed plate 50 may be rectangular, circular, or oval, and the light guide 30 is provided according to the shape of the fixed plate 50. The shape of the fixing plate 50 in this embodiment is not limited, and may be set according to the actual requirement of the vehicle lamp.
In the embodiment of the present invention, the lamp cover 40 includes a light-transmitting plate and a side plate disposed at a side edge of the light-transmitting plate facing the direction of the fixing plate 50; the shape of the light-transmitting plate is matched with that of the fixing plate 50, and the side plates are fixedly connected with the fixing plate 50.
Specifically, for the light guide 30, in order to prevent the invasion and attack of dust and oil smoke, thereby prolonging the service life of the light guide 30, and playing a role of decoration, so as to increase the aesthetic property of the car lamp, the lampshade 40 of the embodiment includes a light-transmitting plate and a side plate, the side plate is formed by extending the side edge of the light-transmitting plate towards the direction of the fixing plate 50, the shape of the light-transmitting plate is matched with the fixing plate 50, and under the condition that the lampshade 40 covers the light guide 30, the side plate can be fixedly connected with the outer surface of the fixing plate 50.
In the embodiment of the present invention, the optical coupler 20 is a linear photoelectric coupler.
In practical applications, the linear photocoupler has the function of reducing the influence of environmental interference on the circuit and ensuring the stability thereof, so the linear photocoupler is preferably used as the photocoupler 20 in this embodiment. Of course, the specific type of the optical coupler 20 in this embodiment is not limited, and the optical coupler 20 may also be of other types, which may be specifically selected according to actual requirements.
In the embodiment of the present invention, the light emitting device 10 is at least one of a light emitting diode, a laser diode, and an organic light emitting diode.
Specifically, the light emitting device 10 with the advantages of high light efficiency, fast response, small volume, low power consumption, etc. is selected as the light source in the embodiment, for example: light emitting diodes, laser diodes, and organic light emitting diodes, of course, the light emitting device 10 is not limited to these examples, and may also be other light emitting devices 10 having this advantage, and the light emitting device 10 specifically selected in this embodiment may not be limited.
It should be noted that the light emitting device 10 can emit light of any color actually required to be emitted by the vehicle lamp, for example, the color of the light can be white, yellow, red, orange, blue, purple, etc.
To sum up, the embodiment of the utility model provides a car light have following advantage at least:
in an embodiment of the present invention, the vehicle lamp includes: the input end of the optical coupler is electrically connected with the light-emitting device, and the output end of the optical coupler is electrically connected with the light guide piece, so that the optical coupler can couple light rays emitted by the light-emitting device into the light guide piece; through setting up leaded light spare and lamp shade relatively, like this, the leaded light spare just can conduct light to the position relative with the lamp shade to optic fibre can follow the lamp shade and jets out, and, the luminance of lamp shade light emitting area is unanimous. Therefore, the vehicle lamp avoids reducing the lighting effect of the light-emitting device while ensuring the brightness of the light-emitting surface of the lampshade to be consistent; in addition, the increase of the light emitting area of the car lamp by adopting a large number of LEDs and OLEDs is avoided, and the production cost is reduced.
The embodiment of the utility model provides a still provide a vehicle, specifically can include: the vehicle lamp is provided.
Specifically, the present embodiment provides a vehicle including the above-described lamp, which can be used as a front position lamp, a turn lamp, a brake lamp, a license plate lamp, a back lamp, and the like of the vehicle, the lamp being provided at a specified position of the vehicle, and specifically, a fixing plate of the lamp being fixed at the specified position of the vehicle.
In an embodiment of the present invention, the vehicle includes the above vehicle lamp, the vehicle lamp includes a light emitting device, an optical coupler, a light guiding member and a lamp cover, the input end of the optical coupler is electrically connected to the light emitting device, and the output end of the optical coupler is electrically connected to the light guiding member, so that the optical coupler can couple light emitted by the light emitting device into the light guiding member; through setting up leaded light spare and lamp shade relatively, like this, the leaded light spare just can conduct light to the position relative with the lamp shade to optic fibre can follow the lamp shade and jets out, and, the luminance of lamp shade light emitting area is unanimous. Therefore, the vehicle lamp avoids reducing the lighting effect of the light-emitting device while ensuring the brightness of the light-emitting surface of the lampshade to be consistent; in addition, the increase of the light emitting area of the car lamp by adopting a large number of LEDs and OLEDs is avoided, and the production cost is reduced.
The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention.
Claims (10)
1. A vehicle lamp, characterized in that the vehicle lamp comprises: a light emitting device, an optical coupler, a light guide, and a lamp cover;
the input end of the optical coupler is connected with the light-emitting device, the output end of the optical coupler is connected with the light guide piece, and the optical coupler is used for coupling light rays emitted by the light-emitting device into the light guide piece;
the light guide part is opposite to the lampshade, and the light guide part is used for transmitting the light to a position opposite to the lampshade so that the light can be emitted from the lampshade.
2. The vehicular lamp according to claim 1, further comprising: the optical coupler and the light guide piece are fixed on the fixing plate;
the lampshade covers the outside of the light guide piece and is fixedly connected with the fixing plate.
3. The vehicular lamp according to claim 2, wherein the light guide member is a full body light emitting optical fiber or a light guide plate.
4. The vehicular lamp according to claim 3, wherein the whole body light-emitting optical fiber is deformable, and the whole body light-emitting optical fiber is uniformly laid on the fixing plate.
5. The vehicle lamp according to claim 2 or 3, wherein a positioning groove is formed in the fixing plate, the positioning groove being matched with the light guide member in shape, and the light guide member is embedded in the positioning groove.
6. The vehicular lamp according to claim 2, wherein the optical coupler is fixed to a side of the fixing plate.
7. The vehicular lamp according to claim 2, wherein the lamp cover comprises a light-transmitting plate and a side plate arranged at a side edge of the light-transmitting plate in a direction toward the fixing plate;
the shape of the light-transmitting plate is matched with that of the fixing plate, and the side plate is fixedly connected with the fixing plate.
8. The vehicular lamp according to claim 1, wherein the optical coupler is a linear photocoupler.
9. The vehicular lamp according to claim 1, wherein the light emitting device is at least one of a light emitting diode, a laser diode, and an organic light emitting diode.
10. A vehicle, characterized in that the vehicle comprises: the vehicular lamp according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022834548.XU CN214222982U (en) | 2020-11-30 | 2020-11-30 | Car light and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022834548.XU CN214222982U (en) | 2020-11-30 | 2020-11-30 | Car light and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214222982U true CN214222982U (en) | 2021-09-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022834548.XU Active CN214222982U (en) | 2020-11-30 | 2020-11-30 | Car light and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214222982U (en) |
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2020
- 2020-11-30 CN CN202022834548.XU patent/CN214222982U/en active Active
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