CN213816738U - Laser module, car light and vehicle based on from doubling of frequency laser crystal - Google Patents
Laser module, car light and vehicle based on from doubling of frequency laser crystal Download PDFInfo
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- CN213816738U CN213816738U CN202023162214.9U CN202023162214U CN213816738U CN 213816738 U CN213816738 U CN 213816738U CN 202023162214 U CN202023162214 U CN 202023162214U CN 213816738 U CN213816738 U CN 213816738U
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Abstract
The utility model provides a laser module, car light and vehicle based on from doubling of frequency laser crystal, the laser module includes: the light-emitting component comprises a self-frequency-doubling laser crystal and a semiconductor infrared laser light source, and is fixedly arranged on the circuit board and used for emitting the laser light source; the light diffusion component comprises a light diffusion component and a light diffusion component support, wherein the light diffusion component is installed on the circuit board through the light diffusion component support, and the light diffusion component is adjacent to the light emitting component and used for diffusing the laser light source emitted by the light emitting component. The utility model discloses a laser module can realize the development design of car light module, and the method is simple, easily realizes, and is economical feasible.
Description
Technical Field
The utility model relates to a car light technical field, concretely relates to laser module, car light and a vehicle based on from doubling of frequency laser crystal.
Background
With the rapid development of the automobile industry, the automobile lamp plays a very important role in the driving process of people, and the requirement on the illumination performance of the automobile lamp in related regulations is higher and higher. Along with the diversification, the characterization and the streamlining of automobile modeling, the volume, the height-width ratio and the front-back depth proportion of the whole automobile lamp are larger and larger, the shape is irregular, the modeling is more and more, and more requirements are provided for the light source: small size, high brightness, low light attenuation, no blue light harm, wide temperature range, etc.
Halogen light sources still in use are being phased out because of their short life; the adjustability of a xenon lamp light source is poor, the risk of dazzling exists, and the use amount is gradually reduced; although the LED light source is energy-saving and has a long life, there are high-temperature light attenuations of different degrees, especially the LED light attenuations of the red and yellow chips are particularly serious, which brings great challenges to the design of the car light.
The research focus in the day before is a semiconductor laser light source, the collimation is good, but the high-temperature light decay is still an inevitable problem, and the blue light harm of white light laser generated by compounding a blue laser diode and a yellow fluorescent material has to be considered.
SUMMERY OF THE UTILITY MODEL
The utility model provides a solve above-mentioned technical problem, provide a laser module based on from doubling of frequency laser crystal, utilize from doubling of frequency laser crystal advantage such as the straightness is good, photochromic is stable, the light decay is little, can realize the development design of car light module, the method is simple, easily realizes, economical and feasible.
The utility model adopts the technical scheme as follows:
a laser module based on self-frequency-doubling laser crystal comprises: the light-emitting component comprises a self-frequency-doubling laser crystal and a semiconductor infrared laser light source, and is fixedly arranged on the circuit board and used for emitting a laser light source; the light diffusion component comprises a light diffusion component and a light diffusion component support, the light diffusion component is mounted on the circuit board through the light diffusion component support, and the light diffusion component is adjacent to the light emitting component and used for diffusing the laser light source emitted by the light emitting component.
Specifically, the self-frequency-doubling laser crystal and the semiconductor infrared laser light source are packaged together and fixed on the circuit board in a surface mount type or a contact pin type.
Specifically, the wavelength of the laser light source emitted by the light emitting component is any one of monochromatic light sources within the range of 510nm to 650nm, and the wavelength of the semiconductor infrared laser light source is 800nm to 1100 nm.
Specifically, the light-diffusing member includes one or more of an optical lens and/or a mirror.
Specifically, when the light diffusion member includes the optical lens and the mirror, the laser light source is diffused sequentially by the mirror and the optical lens.
Further, the laser module based on self-frequency-doubling laser crystal further comprises: the heat sink is arranged below the circuit board, and the light diffusion component is arranged on the heat sink through a light diffusion component bracket.
Further, the laser module based on self-frequency-doubling laser crystal further comprises: a diffusing pattern disposed on the light diffusing component.
Specifically, the circuit board is one of a glass fiber reinforced printed circuit board, an aluminum substrate, a copper substrate and a ceramic substrate.
The utility model also provides a car light, include: the laser module based on the self-frequency-doubling laser crystal is arranged in the lampshade shell.
The utility model also provides a vehicle, include: according to the car light.
The utility model has the advantages that:
the utility model discloses based on self-frequency doubling laser crystal and the infrared laser light source of semiconductor have assembled the advantage of above-mentioned several kinds of light sources: the LED light source has the advantages of long service life, good collimation, high brightness, various and selectable colors, no blue light hazard, extremely small light decay, stability in a wide temperature range and the like, is an ideal next-generation automobile light source, and is simple in method, easy to implement, economical and feasible.
Drawings
Fig. 1 is a schematic diagram of a laser module based on a self-frequency-doubling laser crystal according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a laser module based on a self-frequency-doubling laser crystal according to another embodiment of the present invention;
FIG. 3 is a schematic view of a vehicular lamp according to an embodiment of the present invention;
fig. 4 is a block diagram of a vehicle according to an embodiment of the present invention.
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 only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Fig. 1 is a schematic diagram of a laser module based on a self-frequency-doubling laser crystal according to an embodiment of the present invention.
As shown in fig. 1, the laser module based on self-frequency doubling laser crystal of the present invention may include: a circuit board 1, a light emitting component 2 and a light diffusing component.
The light emitting component 2 comprises a self-frequency-doubling laser crystal and a semiconductor infrared laser light source, and the light emitting component 2 is fixedly arranged on the circuit board 1 and used for emitting the laser light source. The light diffusion member includes a light diffusion member 31 and a light diffusion member holder 32, the light diffusion member 31 is mounted on the circuit board 1 through the light diffusion member holder 32, and the light diffusion member 31 is adjacent to the light emitting member 2 for diffusing the laser light source emitted from the light emitting member 2. In an embodiment of the present invention, the circuit board 1 may be one of a glass fiber reinforced printed circuit board, an aluminum substrate, a copper substrate, and a ceramic substrate.
In an embodiment of the present invention, the self-frequency doubling laser crystal and the semiconductor infrared laser light source are packaged together and fixed on the circuit board 1 in a patch type or a pin type.
According to an embodiment of the present invention, the wavelength of the laser light source emitted by the light emitting component is any one of monochromatic light sources within a range of 510nm to 650nm, and the value range of the wavelength of the semiconductor infrared laser light source is 800nm to 1100 nm.
In other words, the wavelength of semiconductor infrared laser light source generally takes the value 800nm-1100nm, carries out the doubling of frequency through self-doubling frequency laser crystal, can enlarge the wavelength, also can reduce the wavelength, according to the actual conditions of difference, in the embodiment of the utility model discloses an adopt self-doubling frequency laser crystal to reduce the processing to the wavelength, the wavelength that obtains is the monochromatic light in 510nm-650nm, wherein, monochromatic light can be amber light source or red light source.
It should be noted that if a white light source is emitted, it needs to be generated by combining a blue light diode and an amber light emitting component.
According to an embodiment of the present invention, the light diffusion member includes one or more of an optical lens and/or a mirror.
Referring to fig. 1, an optical lens is adopted, and the optical lens is arranged in the direction of the light source emitted by the light emitting assembly, specifically, the distance between the optical lens and the light emitting assembly can be set according to the actual light requirement.
In an embodiment of the present invention, when the light diffusion member 31 includes an optical lens and a reflector, the laser light source sequentially passes through the reflector and the optical lens to diffuse. Referring to fig. 2, the light diffusion member may be an optical lens and a reflector used in combination. The reflector is arranged in the direction of the light emitting component for emitting the light source, reflects the light source and projects the light through the optical lens. It should be noted that, when the reflector is disposed, a certain included angle relationship may exist between the reflector and the circuit board, so that when the optical lens is disposed, the included angle relationship needs to be determined according to the disposition of the reflector, and it is ensured that the light source passing through the reflector can be projected out through the optical lens.
In an embodiment of the present invention, referring to fig. 1 and fig. 2, the above-mentioned laser module based on self-frequency doubling laser crystal further includes: the heat sink 4, the heat sink 4 are installed under the circuit board 1, the light diffusion component 31 is installed on the heat sink 4 through the light diffusion component support 32 for heat dissipation, and it is ensured that the components are not damaged due to over-high temperature.
In an embodiment of the present invention, the above-mentioned laser module based on self-frequency doubling laser crystal further includes: diffusion patterns are arranged on the light diffusion component. That is, according to the design requirement, the diffusion pattern is arranged on the light diffusion component (reflector, optical lens), and the laser module is arranged in the lamp cover of the vehicle lamp, so the diffusion pattern can also be arranged outside or inside the lamp cover shell of the vehicle lamp.
As a specific example of the present invention, on the aluminum substrate, the light emitting component (determined by the self-frequency doubling laser crystal) capable of emitting the amber light source is fixed by welding, the light emitting wavelength of the light source is 589nm, and the optical lens is fixed by the lens support, so that the optical design requirement of the turn light is satisfied by the design of the optical lens.
As another specific example of the utility model, on aluminium base board, can catch up out red light source's light-emitting component (by deciding from doubling of frequency laser crystal) through the SMD of welded fastening, light source light-emitting wavelength is 635nm, and optical design is reflective (speculum) to fix optical lens with the lens support, through the optical lens design, satisfy the optical design requirement of back fog lamp.
To sum up, the utility model discloses based on self-frequency doubling laser crystal and the infrared laser light source of semiconductor have assembled the advantage of several kinds of above-mentioned light sources: the LED light source has the advantages of long service life, good collimation, high brightness, various and selectable colors, no blue light hazard, extremely small light decay, stability in a wide temperature range and the like, is an ideal next-generation automobile light source, and is simple in method, easy to implement, economical and feasible.
Corresponding to the above embodiment, the utility model also provides a car light.
Fig. 3 is a schematic view of a vehicle lamp according to an embodiment of the present invention.
As shown in fig. 3, a vehicle lamp 10 according to an embodiment of the present invention includes: the laser module 12 based on the self-frequency doubling laser crystal is arranged in the lampshade shell 11.
In an embodiment of the present invention, according to different requirements, a plurality of laser modules based on self-frequency doubling laser crystals are disposed in the lamp cover housing, for example, when red light and amber light sources need to be emitted, a laser module capable of emitting red light and a laser module capable of emitting amber light are disposed in the lamp cover housing; for another example, when white light and amber light are required to be emitted, a laser module capable of emitting the amber light and a combination of a blue light diode and the laser module of the amber light are arranged in the lampshade shell.
To sum up, the utility model discloses a car light when receiving the control command that vehicle controller sent, through control peripheral circuit control laser module, realizes that the car light lights, and the method is simple, easily realizes, and is economical feasible.
Corresponding to the above embodiment, the utility model also provides a vehicle.
Fig. 4 is a block diagram of a vehicle according to an embodiment of the present invention.
As shown in fig. 4, the vehicle 100 of the present invention includes the lamp 10.
The utility model discloses vehicle, through foretell car light, can reach the purpose of practicing thrift the cost.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. The meaning of "plurality" is two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present invention includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present invention.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. The utility model provides a laser module based on from doubling of frequency laser crystal which characterized in that includes: a circuit board, a light emitting assembly, and a light diffusing assembly, wherein,
the light-emitting component comprises a self-frequency-doubling laser crystal and a semiconductor infrared laser light source, and is fixedly arranged on the circuit board and used for emitting a laser light source;
the light diffusion component comprises a light diffusion component and a light diffusion component support, the light diffusion component is mounted on the circuit board through the light diffusion component support, and the light diffusion component is adjacent to the light emitting component and used for diffusing the laser light source emitted by the light emitting component.
2. The laser module based on the self-frequency-doubling laser crystal according to claim 1, wherein the self-frequency-doubling laser crystal and the semiconductor infrared laser light source are packaged together and fixed on the circuit board in a patch type or a pin type.
3. The laser module based on the self-frequency doubling laser crystal according to claim 2, wherein the wavelength of the laser light source emitted by the light emitting component is any one of monochromatic light sources within a range of 510nm to 650nm, and the wavelength of the semiconductor infrared laser light source ranges from 800nm to 1100 nm.
4. The self-frequency doubling laser crystal-based laser module according to claim 1, wherein the light diffusion component comprises one or more of an optical lens and/or a mirror.
5. The self-frequency-doubling laser crystal-based laser module according to claim 4, wherein when the light diffusion component comprises the optical lens and the reflector, the laser light source is sequentially diffused through the reflector and the optical lens.
6. The laser module based on the self-frequency-doubling laser crystal according to claim 1, further comprising:
the heat sink is arranged below the circuit board, and the light diffusion component is arranged on the heat sink through a light diffusion component bracket.
7. The laser module based on the self-frequency-doubling laser crystal according to claim 1, further comprising:
a diffusing pattern disposed on the light diffusing component.
8. The laser module based on the self-frequency-doubling laser crystal according to claim 1, wherein the circuit board is one of a glass fiber reinforced printed circuit board, an aluminum substrate, a copper substrate and a ceramic substrate.
9. A vehicle lamp, characterized by comprising: a lamp cover shell, at least one laser module based on self-frequency doubling laser crystal according to any one of the preceding claims 1 to 8, wherein the laser module based on self-frequency doubling laser crystal is arranged in the lamp cover shell.
10. A vehicle, characterized by comprising: the vehicular lamp according to claim 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023162214.9U CN213816738U (en) | 2020-12-23 | 2020-12-23 | Laser module, car light and vehicle based on from doubling of frequency laser crystal |
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| CN202023162214.9U CN213816738U (en) | 2020-12-23 | 2020-12-23 | Laser module, car light and vehicle based on from doubling of frequency laser crystal |
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| CN213816738U true CN213816738U (en) | 2021-07-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114665381A (en) * | 2020-12-23 | 2022-06-24 | 常州星宇车灯股份有限公司 | Laser module, car light and vehicle based on from doubling of frequency laser crystal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114665381A (en) * | 2020-12-23 | 2022-06-24 | 常州星宇车灯股份有限公司 | Laser module, car light and vehicle based on from doubling of frequency laser crystal |
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