CN115289436A - Light source device - Google Patents
Light source device Download PDFInfo
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- CN115289436A CN115289436A CN202210952108.5A CN202210952108A CN115289436A CN 115289436 A CN115289436 A CN 115289436A CN 202210952108 A CN202210952108 A CN 202210952108A CN 115289436 A CN115289436 A CN 115289436A
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- light
- light source
- mounting
- source device
- mounting plate
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Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/02—Fastening of light sources or lamp holders with provision for adjustment, e.g. for focusing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/08—Refractors for light sources producing an asymmetric light distribution
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/10—Construction
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
Abstract
The present invention provides a light source device, comprising: mounting a plate; a reflective element comprising a reflective surface, the reflective surface comprising a focal point, the focal point falling outside the mounting plate; an adjustment portion provided to the mounting plate; the adjusting part is used for adjusting the light-emitting angles of the plurality of collimation light sources so as to enable the plurality of collimation light beams to be aligned to the focus and reflected by the reflecting surface into a plurality of parallel emergent light after passing through the focus. The light source device and the light source system provided by the invention have the advantages that the focus of the reflecting element is arranged outside the mounting plate, and the collimation light beams emitted by the plurality of collimation light sources arranged on the mounting plate are aligned to the focus of the reflecting element, so that the light source system can emit light combining spots which accord with various scenes.
Description
The application is based on divisional application with the application date of 2018, 12 and 13 months and the application number of CN201811527128.8 and the invention name of 'light source device'.
Technical Field
The invention relates to the technical field of optics, in particular to a light source device.
Background
The light source device has wide application prospect in flashlight, car lamp, stage lighting and projection equipment, and along with the improvement of the life quality of people, the light source device is applied to various workplaces in a large number, and the requirement on the light source device is higher and higher so as to meet various different use requirements. Therefore, the light source device needs to be reasonably arranged, so that the light source device can emit light combining spots which accord with various scenes.
Disclosure of Invention
The present invention is directed to a light source device to solve the above problems. The embodiment of the invention achieves the aim through the following technical scheme.
The present invention provides a light source device, comprising: mounting a plate; a reflective element comprising a reflective surface, the reflective surface comprising a focal point, the focal point falling outside the mounting plate; an adjustment portion provided to the mounting plate; the plurality of collimation light sources are used for emitting a plurality of collimation light beams, the plurality of collimation light sources are connected to the mounting plate through the adjusting part, and the adjusting part is used for adjusting light emitting angles of the plurality of collimation light sources so that the plurality of collimation light beams are aligned to the focus and reflected by the reflecting surface into a plurality of parallel emergent light after passing through the focus; the light source comprises a light homogenizing element and a scattering element, wherein the light homogenizing element and the scattering element are positioned on a light path of light beam parallel emergent light.
In one embodiment, the reflective element is integrally formed with the mounting plate.
In an embodiment, the mounting plate includes a mounting hole array including a plurality of mounting holes, and the plurality of collimated light sources are respectively received in the plurality of mounting holes.
In one embodiment, the reflecting surface is a parabolic reflecting surface or a concave surface.
In one embodiment, the mounting plate is cured by a resin material mold, and the plurality of collimated light sources are directly fixed to the mounting surface of the mounting plate by resin filling.
In one embodiment, the dodging element comprises a light incident surface and a light exit surface, and the scattering element is arranged on the light incident surface and the light exit surface of the dodging element.
In one embodiment, the mounting plate comprises a mounting surface, the mounting surface carries the plurality of collimation light sources, and the mounting surface and the plurality of parallel emergent light beams are inclined at an angle.
In an embodiment, the light source apparatus further includes a heat sink, and the heat sink and the plurality of collimation light sources are respectively disposed on two opposite sides of the mounting plate.
In one embodiment, the heat sink is fixedly connected to the mounting plate and fixedly connected to the reflective element.
In one embodiment, the heat sink includes a plurality of fins located on a side of the heat sink away from the mounting plate.
Compared with the prior art, the light source device provided by the invention has the advantages that the focus of the reflecting element is arranged outside the mounting plate, and the collimation light beams emitted by the plurality of collimation light sources arranged on the mounting plate are aligned to the focus of the reflecting element, so that the light source device can emit light combining spots conforming to various scenes.
These and other aspects of the invention will be apparent from and elucidated with reference to the embodiments described hereinafter.
Drawings
In order to more clearly illustrate the technical solution in the present embodiment, the drawings needed to be used in the description of the embodiment will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic perspective view of a reflective element of a light source device according to a first embodiment of the present invention.
Fig. 2 isbase:Sub>A cross-sectional view atbase:Sub>A-base:Sub>A of fig. 1.
Fig. 3 is an enlarged view of fig. 2 at B.
Fig. 4 is a sectional view of a light source device (including a heat sink) provided by a first embodiment of the present invention.
Fig. 5 is a schematic view of a scattering channel structure of a light source device according to a first embodiment of the present invention.
Fig. 6 is a sectional view of a light source device according to a second embodiment of the present invention.
Fig. 7 is a sectional view of a light source device according to a third embodiment of the present invention.
Detailed Description
To facilitate an understanding of the present embodiments, the present embodiments will be described more fully below with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
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. The terminology used herein in the present examples is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
First embodiment
Referring to fig. 1 and fig. 2, the present embodiment provides a light source apparatus 10, which includes a mounting board 11, a reflection element 13, a plurality of collimation light sources 15, a light uniformizing element 60, and a scattering element 70, wherein the reflection element 13 includes a reflection surface 132, the reflection surface 132 includes a focus P1, the focus P1 falls outside the mounting board 11, the plurality of collimation light sources 15 are configured to emit a plurality of collimation light beams, the plurality of collimation light sources 15 are disposed on the mounting board 11, the plurality of collimation light beams are aligned with the focus P1, and are reflected by the reflection surface 132 to be a plurality of parallel emergent light after passing through the focus P1.
Specifically, the shape of the reflective element 13 is not limited, and may be an arch bridge shape, that is, the front view direction of the reflective element 13 is an arch bridge shape, and may also be a hollow cylindrical shape or a parabolic shape. The material of the reflective element 13 may be metal, glass, ceramic, or the like.
Referring to fig. 2, the light uniformizing element 60 and the scattering element 70 are both located on the light path of the multiple parallel emergent lights, the scattering element 70 is fixedly connected to the light uniformizing element 60, the light uniformizing element 60 includes a light incident surface and a light emergent surface opposite to the light incident surface, and the scattering element is disposed on the light emergent surface of the light uniformizing element 60, wherein the scattering element 70 is used for eliminating speckles of the light beams emitted by the alignment straight light source 15, and the light uniformizing element is used for performing light shaping and light uniformizing on the light beams emitted by the straight light source, it can be understood that the scattering element 70 may be disposed on the light emergent surface of the light uniformizing element 60 or disposed on the light incident surface of the light uniformizing element 60.
The reflective element 13 includes a fixing surface 131 and a reflective surface 132, and the reflective element 13 can be fixed to other elements by the fixing surface 131, and the fixing manner can be bonding or welding. The reflecting surface 132 is connected to the fixing surface 131. In the present embodiment, the reflective surface 132 may be a parabolic reflective surface 132, such as a full or half parabolic shape, and the parabolic reflective surface 132 includes a focal point P1. The reflective surface 132 may be formed by plating a high reflective film on the reflective element 13.
The shape of the mounting plate 11 may be regular circular, rectangular, racetrack, etc., or irregular, the mounting plate 11 may be used for mounting light-emitting elements, control elements, etc., and the mounting plate 11 may also be used as a bearing plate of the whole light source device 10. In one embodiment, the mounting plate 11 may be formed by curing a resin material mold, which may soften when heated, thereby facilitating machining of the mounting plate 11, such as drilling, cutting, etc. In another embodiment, the material of the mounting board 11 may also be a high thermal conductive material such as metal or ceramic, so as to transfer the heat generated by the light emitting element to other devices such as a heat dissipation element in time. In yet another embodiment, the mounting board 11 may be made of a transparent material so as to guide the light beam emitted by the light emitting element out of the mounting board 11.
The mounting plate 11 and the reflective element 13 may be integrally formed, for example, when the mounting plate 11 and the reflective element 13 are made of resin material, the mounting plate 11 and the reflective element 13 may be integrally formed by curing through a mold. If mounting board 11 and reflective element 13 are both made of metal, they may be formed by stamping, CNC (computer Numerical Control), polishing, etc.
The mounting plate 11 includes a mounting surface 112 and a bottom surface 114 opposite to the mounting surface 112, the mounting surface 112 is parallel to a plurality of parallel emergent lights, the mounting surface 112 is used for mounting a plurality of elements such as light emitting elements or collimating elements, and the bottom surface 114 can be parallel to the mounting surface 112.
In this embodiment, the mounting plate 11 further includes a mounting hole array 116, the mounting hole array 116 includes a plurality of mounting holes 1162, and the mounting hole array 116 may be a linear array, i.e., a single row of mounting holes 1162; or a rectangular array, such as multiple rows of mounting holes 1162; or a circular array, such as a plurality of mounting holes 1162 forming concentric circles; but also polygonal (e.g., pentagonal, hexagonal, octagonal, etc.) arrays or spiral arrays. The mounting holes 1162 may extend through the mounting surface 112, for example, when the mounting plate 11 is made of metal, the mounting hole array 116 may be formed by laser drilling, dry film etching or wet film etching, or when the mounting holes 1162 are made of resin, the mounting hole array 116 may be formed by mechanical drilling. The size of the mounting hole 1162 may be limited as appropriate.
In other embodiments, when the mounting board 11 is formed by curing a resin material mold, the mounting board 11 may not be provided with the mounting hole 1162, that is, a component to be mounted may be placed in a mold according to a pre-calculated position, and then the mounting component may be encapsulated and molded by filling the resin; the installation plate 11 does not need to be processed, the process is simple, and the production cost is low.
The light source device 10 includes a plurality of collimation light sources 15, and in this embodiment, the collimation light sources 15 may be lasers, blue lasers, violet lasers, red lasers, green lasers, or the like. The collimation light source 15 may include one, two or more lasers, wherein a plurality of lasers may also form a laser array, and the number of the lasers may be selected according to actual needs, and the collimation light source 15 may further include a light uniformizing device for uniformizing light emitted by the lasers to meet actual needs. The laser may be a Laser Diode (LD).
In other embodiments, the collimation light source 15 may further include a Light Emitting Diode (LED) and a collimating mirror for adjusting the light emitted from the LED so that the collimation light source 15 can emit a collimation light beam, and similarly, the collimation light source 15 may include one, two or more LEDs.
The collimation light source 15 is used for emitting collimation light beams, which are aligned with the focal point P of the reflection element 13 and reflected by the reflection surface 132 of the reflection element 13 into a plurality of parallel emergent light beams.
Referring to fig. 3, when the collimation light source 15 is a single laser, the collimation light source 15 includes a light emitting end 152 and a connecting end 154 opposite to each other, the light emitting end 152 emits a collimation light beam, the connecting end 154 can be connected to other collimation light sources 15, and the connecting end 154 can also be used for connecting to a power supply.
Referring to fig. 1 and 3, the plurality of collimation light sources 15 are disposed on the mounting board 11, and specifically, when the mounting board 11 is cured by the resin material mold, the plurality of collimation light sources 15 may be directly fixed to the mounting surface 112 of the mounting board 11 by resin filling.
The plurality of collimation light sources 15 may be fixed inside the mounting plate 11, that is, between the mounting surface 112 and the bottom surface 114, and when the mounting plate 11 is made of a non-transparent material, a light hole needs to be reserved at a position corresponding to the mounting surface of the mounting plate 11 and the collimation light source 11. When the mounting plate 11 is made of a transparent material, it is not necessary to reserve a light hole on the mounting surface of the mounting plate 11 at a position corresponding to the collimation light source 11, but it should be noted that the mounting plate material absorbs light of the collimation light source 11, so that the arrangement can protect the collimation light source 15 and prevent dust or other external environments from interfering with the collimation light source 15.
The plurality of collimation light sources 15 can also be arranged on the installation surface 112, that is, the light-emitting ends 152 of the collimation light sources 15 need to protrude out of the installation surface 112 or be flush with the installation surface 112, so that the loss of light quantity can be reduced. In this case, the mounting plate 11 may be made of a non-transparent material. When the mounting plate 11 is made of metal, the plurality of collimation light sources 15 can be respectively received in the plurality of mounting holes 1162, and the plurality of collimation light sources 15 can be correspondingly mounted in the plurality of mounting holes 1162, it is understood that when the mounting holes 1162 are large enough, two or more collimation light sources 15 can be received in the same mounting hole 1162.
In this embodiment, the light source device 10 may further include a heat sink 17, the heat sink 17 may be rectangular plate-shaped, circular plate-shaped, or other shapes, and the area of the heat sink 17 may be larger than that of the mounting plate 11, which is favorable for stable placement of the light source device 10; or may be equal to the area of the mounting plate 11 or smaller than the area of the mounting plate 11.
Radiating seat 17 and a plurality of collimation nature light source 15 set up the back of the body both sides at mounting panel 11 respectively, specifically, radiating seat 17 and mounting panel 11 fixed connection to the heat that produces when giving out light with a plurality of collimation nature light sources 15 in time transmits to radiating seat 17, and radiating seat 17 is fixed in the bottom surface 114 at mounting panel 11, and fixed mode can be through screw up, bond, welding or integrative injection moulding setting, and concrete fixed mode can be selected according to mounting panel 11 and radiating seat 17's actual material. The heat sink 17 is further fixedly connected to the reflective element 13 to fix the reflective element 13 and prevent the focal point P1 of the reflective element 13 from shifting, and the connection manner of the heat sink 17 and the reflective element 13 can be selected according to the materials of the heat sink 17 and the reflective element 13. The heat dissipation seat 17 is fixedly connected with the mounting plate 11 and the reflection element 13, so that the assembly difficulty of the light source device 10 is reduced.
It will be appreciated that the heat sink 17, the reflective element 13 and the mounting plate 11 may also be of one-piece construction, i.e. manufactured at the same time, without any sharp demarcation therebetween. This arrangement can reduce the difficulty of assembling the light source device 10.
Referring to fig. 4 and 5, the heat sink 17 is used for dissipating heat of the plurality of collimated light sources 15, so that the operating temperature of the plurality of collimated light sources 15 is maintained at an optimal state, and in one embodiment, the heat sink 17 may be made of a high thermal conductive heat dissipation material such as copper, aluminum, copper-aluminum alloy, and ceramic. In another embodiment, the heat sink 17 may include a plurality of heat dissipation fins 172, the plurality of heat dissipation fins 172 are located on a side of the heat sink 17 away from the mounting board 11, the plurality of heat dissipation fins 172 may be disposed in parallel, and the disposition density of the heat dissipation fins 172 is set according to the power of the collimated light source 15 and the heat conduction capability of the heat sink 17. In another embodiment, the heat sink 17 may further have a plurality of heat dissipation channels 174, the plurality of heat dissipation channels 174 are located on a side of the heat sink 17 away from the mounting plate 11, and the number of the heat dissipation channels 174 may also be set according to the power of the collimation light source 15 and the heat conduction capability of the heat sink 17.
It is understood that in other embodiments, multiple heat dissipation channels 174 and multiple heat sinks 172 may be provided on the heat sink 17, and multiple heat dissipation channels 174 may be located between multiple heat sinks 172 and the mounting plate 11.
In summary, the light source device 10 provided in this embodiment arranges the focal point P1 of the reflective element 13 outside the mounting board 11, and directs the collimated light beams emitted by the plurality of collimated light sources 15 arranged on the mounting board 11 to the focal point P1 of the reflective element 13, so that the light source device 10 can emit light combining spots conforming to various scenes.
Second embodiment
Referring to fig. 6, unlike the first embodiment, the installation surface 412 of the light source device 40 provided in the present embodiment forms an inclined angle with the multiple parallel emergent lights.
Specifically, the angle between the mounting surface 412 and the multiple parallel outgoing light beams may be any angle so as to align the collimated light beams emitted from the plurality of collimated light sources 45 mounted on the mounting board 41 with the focal point P2 of the reflective element 43. In the present embodiment, the mounting plate 41 may be inclined to the plurality of parallel emergent lights, that is, the mounting surface 412 may be parallel to the mounting surface 414. In other embodiments, the bearing surface 414 may be parallel to the multiple parallel outgoing beams. The mounting plate 41 may be fixed to the reflective element 43 to carry the light source device 40 in cooperation with the reflective element 43.
It is understood that the above-described technical features in the present embodiment can be combined with each other and form a new embodiment.
In summary, in the light source device 40 provided in this embodiment, the focal point P2 of the reflective element 43 is disposed outside the mounting plate 41, the mounting surface 412 is disposed at an inclined angle with respect to the plurality of parallel emergent lights, and the collimated light beams emitted by the plurality of collimated light sources 45 disposed on the mounting plate 41 are directed at the focal point P2 of the reflective element 43, so that the light source device 40 can emit combined light spots according to various scenes.
Third embodiment
Referring to fig. 7, different from the first embodiment, the light source device 50 provided in this embodiment further includes an adjusting portion 59, the light emitting angles of the plurality of collimation light sources 55 are adjustable, and the adjusting portion 59 is used for adjusting the light emitting angles of the plurality of collimation light sources 55.
Specifically, in this embodiment, the adjusting portion 59 may be mounted on the heat sink 57, the reflective element 53 or the mounting plate 51, the adjusting portion 59 may be directly connected to the collimation light source 55, the adjusting portion 59 may be multiple, the multiple adjusting portions 59 are accommodated in the mounting hole 5162 in a one-to-one correspondence, the adjusting portion 59 may also be mounted outside the heat sink 57, the reflective element 53 and the mounting plate 51, and the specific mounting position may be selected according to actual requirements. The collimation light source 55 is dynamically adjustable in the mounting hole 5162, wherein the mounting hole 5162 can be opened to a proper size so as to facilitate the rotation of the collimation light source 55, and the adjusting portion 59 can control the position of the collimation light source 55 to enable the collimation light source 55 to rotate relative to the mounting hole 5162, so that the emergent angle of the collimation light beam after being reflected by the reflecting element 53 can be deflected, and a dynamically adjustable light spot can be emitted. The adjustment portion 59 may be a telescopic mechanical structure or a controller, and controls the movement of the mounting plate by an electric signal.
In other embodiments, the collimation light source 55 is fixed in the mounting hole 5162, and the adjusting portion 59 can adjust the position of the mounting plate 51 to change the angle between the mounting plate 51 and the reflection element 53, and also can deflect the emitting angle of the collimation light beam, so as to emit a dynamically adjustable light spot.
In further embodiments, the deflection of the collimated light source 55 and the rotation of the mounting plate 51 may also be controlled simultaneously by the adjustment portion 59.
It is to be understood that the adjusting portion 59 of the present embodiment may also be applied to the first and second embodiments, and may be combined with each technical feature of the above-described embodiments to form a new embodiment.
In summary, the light source device 50 provided in this embodiment arranges the focal point P3 of the reflective element 53 outside the mounting plate 51, aligns the collimated light beams emitted by the plurality of collimated light sources 55 arranged on the mounting plate 51 with the focal point P3 of the reflective element 53, and adjusts the light emitting angles of the plurality of collimated light sources 55 through the adjusting portion 59, so that the light source device 50 can emit light combining spots according to various scenes.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A light source device, comprising:
mounting a plate;
a reflective element comprising a reflective surface, the reflective surface comprising a focal point, the focal point falling outside the mounting plate;
an adjustment portion provided to the mounting plate;
the plurality of collimation light sources are used for emitting a plurality of collimation light beams, the plurality of collimation light sources are connected to the mounting plate through the adjusting part, and the adjusting part is used for adjusting light emitting angles of the plurality of collimation light sources so that the plurality of collimation light beams are aligned to the focus and reflected by the reflecting surface into a plurality of parallel emergent light after passing through the focus;
the light source comprises a light homogenizing element and a scattering element, wherein the light homogenizing element and the scattering element are positioned on a light path of light beam parallel emergent light.
2. The light source device of claim 1, wherein the reflective element is integrally formed with the mounting plate.
3. The light source device of claim 1, wherein the mounting plate comprises an array of mounting holes, the array of mounting holes comprising a plurality of mounting holes, the plurality of collimated light sources received in the plurality of mounting holes, respectively.
4. The light source device according to claim 1, wherein the reflecting surface is a parabolic reflecting surface or a concave reflecting surface.
5. The light source device according to claim 1, wherein the mounting board is cured by a resin material mold, and the plurality of collimated light sources are directly fixed to the mounting surface of the mounting board by resin filling.
6. A light source device according to claim 1 wherein the light unifying element comprises a light entrance face and a light exit face, and the scattering element is disposed at the light entrance face and the light exit face of the light unifying element.
7. A light source device according to claim 1, wherein said mounting plate includes a mounting surface, said mounting surface carrying said plurality of collimated light sources, said mounting surface being angularly inclined to said plurality of parallel outgoing light beams.
8. The light source device of claim 1, further comprising a heat sink, wherein the heat sink and the plurality of collimated light sources are disposed on opposite sides of the mounting plate.
9. The light source device of claim 8, wherein the heat sink is fixedly attached to the mounting plate and to the reflective element.
10. The light source device of claim 8, wherein the heat sink includes a plurality of fins located on a side of the heat sink remote from the mounting board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210952108.5A CN115289436A (en) | 2018-12-13 | 2018-12-13 | Light source device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210952108.5A CN115289436A (en) | 2018-12-13 | 2018-12-13 | Light source device |
| CN201811527128.8A CN111322587B (en) | 2018-12-13 | 2018-12-13 | Light source device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811527128.8A Division CN111322587B (en) | 2018-12-13 | 2018-12-13 | Light source device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115289436A true CN115289436A (en) | 2022-11-04 |
Family
ID=71075363
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210952108.5A Pending CN115289436A (en) | 2018-12-13 | 2018-12-13 | Light source device |
| CN201811527128.8A Active CN111322587B (en) | 2018-12-13 | 2018-12-13 | Light source device |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811527128.8A Active CN111322587B (en) | 2018-12-13 | 2018-12-13 | Light source device |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN115289436A (en) |
| WO (1) | WO2020119704A1 (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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Also Published As
| Publication number | Publication date |
|---|---|
| CN111322587B (en) | 2022-09-02 |
| CN111322587A (en) | 2020-06-23 |
| WO2020119704A1 (en) | 2020-06-18 |
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