CN111043563A - Laser Lighting Structure and Vehicle Lights - Google Patents
Laser Lighting Structure and Vehicle Lights Download PDFInfo
- Publication number
- CN111043563A CN111043563A CN201911422291.2A CN201911422291A CN111043563A CN 111043563 A CN111043563 A CN 111043563A CN 201911422291 A CN201911422291 A CN 201911422291A CN 111043563 A CN111043563 A CN 111043563A
- Authority
- CN
- China
- Prior art keywords
- laser
- light
- incident
- excitation element
- support frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005284 excitation Effects 0.000 claims abstract description 60
- 238000005286 illumination Methods 0.000 claims description 24
- 239000003292 glue Substances 0.000 claims description 10
- 230000003287 optical effect Effects 0.000 claims description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 3
- 230000010354 integration Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052724 xenon Inorganic materials 0.000 description 5
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000000295 emission spectrum Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- 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
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/16—Laser light sources
-
- 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
- F21S41/25—Projection lenses
-
- 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
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/30—Semiconductor lasers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
A laser car lamp comprises at least one group of laser, lens and reflector which are assembled along the direction of a light path, wherein laser emitted by the laser forms focused incident laser through the lens and the reflector; a support frame; at least one excitation element disposed on the support frame; the first light reflecting bowl is positioned on one side of the support frame, and the inner curved surface of the first light reflecting bowl faces the support frame; and the curved surface wall of the first light reflecting bowl is provided with a light through hole for incidence of the incident laser to the excitation element through the light through hole. The invention can realize the integration of the light sources with different irradiation distances of the car lamp.
Description
Technical Field
The invention relates to the technical field of laser, in particular to a laser lighting structure and a car lamp.
Background
The laser light source has the characteristics of high energy density and good collimation, and the laser-based remote fluorescent powder technology is characterized in that laser is focused and irradiated on fluorescent powder to excite white light, and then the divergence angle of exciting light is compressed through a beam shaping technology to realize remote illumination. The existing laser headlamp can reach the irradiation distance of 600 meters and far exceeds an LED headlamp, so that a wider visual field is provided for a driver to drive at night.
The main current vehicle lamps are xenon headlamps and LED headlamps, but because the light emitting areas and the divergence angles of the xenon headlamps and the LED headlamps are large, even if the xenon headlamps and the LED headlamps are focused by a reflecting bowl or a lens, irradiation beams with good collimation cannot be obtained. Because the light beam has a certain divergence angle, the xenon headlight and the LED headlight have wide illumination width, but the irradiation distance is limited. When an automobile runs at a high speed, a high beam is required to have a certain irradiation width so that a driver can clearly see the road conditions on two sides, and a sufficient irradiation distance so that the driver can clearly see the road conditions at a long distance, but the conventional xenon headlamps and LED headlamps are still insufficient in the aspect of irradiation distance.
Although there is laser type high beam in the prior art, it can only exist as a single module, and needs another common high beam module, thus increasing the volume and structural complexity of the car light.
Disclosure of Invention
The invention provides a laser lighting structure and a car lamp.
The embodiment of the invention provides an automobile high beam, which comprises at least one group of laser, a lens and a reflector, wherein the laser, the lens and the reflector are assembled along the direction of a light path; a support frame; at least one excitation element disposed on the support frame; the first light reflecting bowl is positioned on one side of the support frame, and the inner curved surface of the first light reflecting bowl faces the support frame; and the curved surface wall of the first light reflecting bowl is provided with a light through hole for incidence of the incident laser to the excitation element through the light through hole.
The invention forms illumination white light by remotely exciting the fluorescent sheet of the excitation element through laser, different laser beams irradiate different excitation elements or different positions of the excitation element to emit white light, and light emitted by the excitation element is reflected after being shaped by the light reflecting bowl. Because the positions of laser incident on the fluorescent sheet are different, the positions of the emitting points of the excitation elements are also different, and different excitation white light beams form emitting light beams with different divergence angles after being shaped by the same light reflecting bowl. By setting the position of the incident point of the laser beam, a part of the emergent beam can form an illumination beam with a narrow divergence angle but a longer illumination distance, and a part of the emergent beam can form an illumination beam with a certain illumination width and a relatively shorter illumination distance. The invention can realize the integration of the light sources with different irradiation distances of the car lamp.
Drawings
The above and other objects, features and advantages of exemplary embodiments of the present invention will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. Several embodiments of the invention are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which:
fig. 1 is a schematic diagram of a laser illumination structure according to one embodiment of the present invention.
FIG. 2 is a schematic diagram of an excitation element mounting according to one embodiment of the invention.
FIG. 3 is a schematic diagram of an excitation element according to an embodiment of the invention.
FIG. 4 is a schematic diagram of an excitation element according to one embodiment of the present invention.
FIG. 5 is a schematic diagram of an excitation element according to an embodiment of the invention.
FIG. 6 is a schematic diagram of an excitation element mounting according to one embodiment of the invention.
FIG. 7 is a schematic diagram of an excitation element mounting according to one embodiment of the invention.
100-laser 1, 101-lens 1, 102-mirror 1, 103-laser 1, 104-excitation element 1, 106-laser spot 1,
200-laser 2, 201-lens 2, 202-mirror 2, 203-laser 2, 204-excitation element 2, 206-laser spot 2,
300-laser 3, 301-lens 3, 302-mirror 3, 303-laser 3, 304-excitation element 3, 306-laser spot 3,
400-a light reflecting bowl, 401-a light through hole,
500-support frame, 5105-groove 1, 5205-groove 2, 5305-groove 3,
1041-fluorescent layer, 1042-glue 1, 1043-reflective layer (polished aluminum reflective layer), 1044-substrate, 1045-glue 2.
Detailed Description
In accordance with one or more embodiments, as shown in FIG. 1, an overall block diagram of a laser illumination structure is shown. A supporting structure (a supporting frame) is provided with a groove 1, a groove 2 and a groove 3, and an excitation element 1, an excitation element 2 and an excitation element 3 are respectively arranged in the three grooves. The laser 1, the laser 2 and the laser 3 emitted by the laser 1, the laser 2 and the laser 3 are focused by the lens 1, the lens 2 and the lens 3 and reflected by the reflector 1, the reflector 2 and the reflector 3, the laser 1, the laser 2 and the laser 3 are respectively incident on the excitation element 1, the excitation element 2 and the excitation element 3 through the same light through hole on the light reflecting bowl, and the fluorescent piece on the excitation element absorbs the laser and then emits white light. The white light is incident on a reflector above the support structure, which shapes and reflects the light emitted by the excitation element.
According to one or more embodiments, as shown in fig. 2, the excitation element 1, the excitation element 2 and the excitation element 3 are fixed in the groove 1, the groove 2 and the groove 3 by glue. The shape of the excitation element and the groove can be rectangular or round, and the size of the excitation element is larger than or equal to that of the focusing light spot, so that the laser focusing light spot can be completely incident on the excitation element; the size of the groove is larger than or equal to that of the excitation element, so that the excitation element can be placed in the groove.
In accordance with one or more embodiments, fig. 3 shows a structure of an excitation element, which comprises, in order from top to bottom: fluorescent layer, glue 1, reflecting layer and base plate.
Wherein, the fluorescent layer is preferably ceramic fluorescent material, such as YAG Ce fluorescent ceramic, YAG Ce fluorescent glass, YAG Ce single crystal and other materials, and other substances can be doped in the fluorescent powder body to adjust the emission spectrum, such as Cr3+Ion, Pr3+Ion, Gd3+Ions, and the like. The phosphor layer may also be a common phosphor material, such as BaZrSi3O9:Eu2+，Ba2Ca(PO4)2:Eu2+，Ca3.93(PO4)2O:0.07Eu2+. The thickness of the fluorescent layer is more than or equal to 0.05 mm.
The glue 1 plays a role in bonding and is transparent to visible light.
The reflective layer may be a metal film reflective layer or a dielectric film reflective layer, and reflects visible light.
In accordance with one or more embodiments, fig. 4 shows another configuration of the excitation element, which is, in order from top to bottom: fluorescent layer, glue 1, polished aluminum reflective layer. The polished aluminum reflecting layer is a metal aluminum sheet, a reflecting surface can be formed after the surface is ground and polished, and the reflecting surface reflects visible light.
According to one or more embodiments, fig. 5 shows another structure of the excitation element, which is, in order from top to bottom: fluorescent layer, glue 2. The glue 2 is a reflective glue, can reflect visible light, has adhesive force, and is used for adhering the fluorescent layer and the support structure.
The supporting structure (supporting frame) not only serves as a supporting structural member of the integral structure, but also plays a role in heat dissipation, and the material of the supporting structure (supporting frame) can be any metal such as aluminum, copper and steel. And a light reflecting bowl is arranged on one side of the support structure where the excitation element emits light, and the light emitted by the excitation element is shaped and reflected. The reflecting surface of the reflecting bowl can be plated with a metal reflecting film or a medium reflecting film. The reflecting surface type of the reflecting bowl can be a quadric surface, a high-order curved surface or a free-form surface. Taking a quadric surface reflecting bowl as an example, the focal point of the laser 2 on the exciting element 2 is positioned at the focal center of the quadric surface, and the light beam emitted by the exciting element 2 is shaped by the reflecting bowl and then emitted as a basically collimated light beam; since the incident light spots of the laser 1 and the laser 3 on the excitation element 1 and the excitation element 3 are not at the focal centers of the quadric surfaces, the outgoing light beams shaped by the reflecting bowl have larger divergence angles.
The sizes of the focusing light spots of the laser 1, the laser 2 and the laser 3 on the emitting element 1, the emitting element 2 and the emitting element 3 are more than or equal to 0.1 mm. The focused light spot of the laser 2 is as small as possible, so that the subsequent beam collimation and shaping of the reflector are facilitated; the focused spots for laser 1 and laser 3 may be the same as the focused spot for laser 2 or may be larger than the focused spot for laser 2.
The farther the focused spot of the laser 1 and the laser 3 on the excitation element is from the focused spot of the laser 2 on the excitation element, the larger the beam spread angle after reflection by the reflecting bowl is, and the distance between the focused spot of the laser 1 and the focused spot of the laser 3 on the excitation element and the focused spot of the laser 2 on the excitation element is determined according to the actual situation, and the distance value is between 0 and 20 mm.
The laser can be ultraviolet laser with the wavelength of 200nm-500nm, near ultraviolet laser or blue laser; the laser is typically a semiconductor laser, but may also be a solid state laser, a gas laser or a dye laser.
When the incident laser light is in the ultraviolet band or near ultraviolet band, for example 365nm, 405nm, the white light emitted by the excitation element is formed by blue fluorescence and yellow fluorescence, or blue fluorescence, green fluorescence and red fluorescence, which are excited after the fluorescent layer material absorbs the laser light. When the incident laser light is in the blue light band, for example, 445nm, the white light emitted from the excitation element is formed by the yellow fluorescence formed after the fluorescent layer material absorbs the laser light and the unabsorbed blue laser light. The angle between the incident laser and the normal direction of the excitation element is between 0 DEG and 45 deg.
In accordance with one or more embodiments, the excitation element may also take the form of a long strip, as shown in FIG. 6, with the incident light point of the laser incident on different locations of the excitation element.
According to one or more embodiments, as shown in fig. 7, another arrangement of incident laser spots is shown, wherein the laser spot 1, the laser spot 2, and the laser spot 3 are arranged in a vertical manner, the white light excited by the laser spot 2 is shaped by the reflector to form an illumination beam with a narrow divergence angle but a longer illumination distance, and the white light excited by the laser spot 1 and the laser spot 3 is shaped by the reflector to form an illumination beam with a certain illumination width and a relatively shorter illumination distance. In the actual design process, the laser spots 1 and 3 do not have to be arranged horizontally or vertically with respect to the laser spot 2, but can be arranged in any manner around the laser spot 2.
According to one or more embodiments, a laser lighting structure of a high beam for an automobile includes 3 sets of lasers, lenses and reflectors, which are assembled in an optical path direction, and laser emitted from the lasers forms focused incident laser through the lenses and the reflectors. The angle between the reflector and the lens can be adjusted, and the incident angle of the incident laser can be adjusted by adjusting the angle of the reflector. 3 arouse the component and be set up on the support frame, the support frame has the backup pad, opens flutedly in the backup pad, arouses the component to be inlayed in the recess. The light reflecting bowl is positioned on one side of the supporting frame, and the inner curved surface of the light reflecting bowl faces the supporting frame. And the curved surface wall of the light reflecting bowl is provided with a light through hole for incidence of the incident laser to the excitation element through the light through hole. And 3 groups of lasers, lenses and reflectors which are arranged along the direction of the light path and correspond to the 3 excitation elements form focused incident laser which is incident to the corresponding excitation elements through the light through holes.
It should be noted that while the foregoing has described the spirit and principles of the invention with reference to several specific embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, nor is the division of aspects, which is for convenience only as the features in these aspects cannot be combined. The invention is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911422291.2A CN111043563A (en) | 2019-12-30 | 2019-12-30 | Laser Lighting Structure and Vehicle Lights |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911422291.2A CN111043563A (en) | 2019-12-30 | 2019-12-30 | Laser Lighting Structure and Vehicle Lights |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111043563A true CN111043563A (en) | 2020-04-21 |
Family
ID=70243612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911422291.2A Pending CN111043563A (en) | 2019-12-30 | 2019-12-30 | Laser Lighting Structure and Vehicle Lights |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111043563A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102466187A (en) * | 2010-10-29 | 2012-05-23 | 夏普株式会社 | Light emitting device, illumination device, vehicle headlamp and vehicle |
| JP2014232734A (en) * | 2014-07-28 | 2014-12-11 | シャープ株式会社 | Light emission device, illumination device and headlight for vehicle |
| CN206786554U (en) * | 2017-06-09 | 2017-12-22 | 超视界激光科技（苏州）有限公司 | Light-emitting device and illuminator |
| CN212029396U (en) * | 2019-12-30 | 2020-11-27 | 上海市激光技术研究所 | Laser illumination structure and car high beam |
-
2019
- 2019-12-30 CN CN201911422291.2A patent/CN111043563A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102466187A (en) * | 2010-10-29 | 2012-05-23 | 夏普株式会社 | Light emitting device, illumination device, vehicle headlamp and vehicle |
| CN104235730A (en) * | 2010-10-29 | 2014-12-24 | 夏普株式会社 | Light emitting device, illumination device, vehicle headlamp and vehicle |
| JP2014232734A (en) * | 2014-07-28 | 2014-12-11 | シャープ株式会社 | Light emission device, illumination device and headlight for vehicle |
| CN206786554U (en) * | 2017-06-09 | 2017-12-22 | 超视界激光科技（苏州）有限公司 | Light-emitting device and illuminator |
| CN212029396U (en) * | 2019-12-30 | 2020-11-27 | 上海市激光技术研究所 | Laser illumination structure and car high beam |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5323998B2 (en) | Luminaire with phosphor, excitation light source, optical system, and heat sink | |
| US9233639B2 (en) | Light-emitting device and vehicle headlight | |
| JP3228571U (en) | Laser device package structure | |
| US8974089B2 (en) | Light emitting device, illumination device, and vehicle headlamp | |
| JP5266605B2 (en) | Vehicle lighting | |
| KR101763503B1 (en) | Vehicle light fitting | |
| US8371706B2 (en) | Light projection structure and lighting apparatus | |
| CN205450551U (en) | Colour wheel module, light source module and projecting system | |
| CN106838754B (en) | Vehicle lamp lighting system and driving method thereof | |
| CN102187478A (en) | Light-emitting module, method for producing light-emitting module, and lighting unit | |
| CN103365051A (en) | Lighting device and projector | |
| US8801234B2 (en) | Light emitting module and optical wavelength converting member | |
| CN110792985B (en) | Light source device and headlamp system | |
| JPWO2019171775A1 (en) | Light emitting element, light source device and projector | |
| KR102266738B1 (en) | Lighting apparatus | |
| CN212029396U (en) | Laser illumination structure and car high beam | |
| WO2019179121A1 (en) | Light source module and automobile headlamp | |
| TW201723630A (en) | Color wheel module and light source module | |
| CN212029397U (en) | A laser lighting structure, a vehicle lamp, an automobile high beam, a searchlight and a vehicle | |
| CN111043563A (en) | Laser Lighting Structure and Vehicle Lights | |
| JP2013161552A (en) | Light projection device, and laser irradiation device | |
| JP2017195061A (en) | Luminaire and vehicular headlight | |
| JP2017098169A (en) | Light emitting device and lighting device | |
| JP7228010B2 (en) | solid state light source | |
| CN112902101B (en) | Far and near light integrated car lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 200233 No. 770, Xuhui District, Shanghai, Yishan Road Applicant after: Shanghai Laser Technology Research Institute Co.,Ltd. Address before: 200233 No. 770, Xuhui District, Shanghai, Yishan Road Applicant before: Shanghai Institute of Laser Technology |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200421 |