CN113154336B - Light spot compression structure and light source device - Google Patents
Light spot compression structure and light source device Download PDFInfo
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- CN113154336B CN113154336B CN202110086265.8A CN202110086265A CN113154336B CN 113154336 B CN113154336 B CN 113154336B CN 202110086265 A CN202110086265 A CN 202110086265A CN 113154336 B CN113154336 B CN 113154336B
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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
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
- F21V14/04—Controlling the distribution of the light emitted by adjustment of elements by movement of reflectors
Abstract
The invention discloses a light spot compression structure and a light source device, wherein the light spot compression structure comprises: a reflective strip for opposing the at least two light sources; the adjusting mechanism is used for bearing the reflecting strip and adjusting the reflecting angle of the reflecting strip; wherein, adjustment mechanism includes: the bracket is arranged on the adjusting component of the bracket; the reflection strips are supported on the adjusting assemblies, and the adjusting assemblies correspond to the reflection strips one to one. According to the light spot compression structure disclosed by the invention, the adjustment mechanism is arranged, the reflection angle of the reflection strip is adjusted by utilizing the adjustment mechanism, and the adjustment assemblies correspond to the reflection strips one by one, so that the reflection angle of each reflection strip can be adjusted, and the reflection angle of each reflection strip is adjusted in the installation process of the light spot compression structure, so that the requirement on the size precision of a mechanical component is reduced, the qualification rate is improved, unqualified products are reduced, and the light spot compression cost is further reduced.
Description
The present application is a divisional application with the application number 201610082016.0, entitled "spot compression structure and light source device", filed on 2016, 2, month 5.
Technical Field
The invention relates to the technical field of light source adjustment, in particular to a light spot compression structure and a light source device.
Background
The array of parallel spots is typically compressed using a spot compression arrangement to obtain spots of the desired pitch.
At present, the light spot compression structure mainly includes reflection strips arranged in a ladder shape, and specifically, the light spot compression structure includes a support on which the reflection strips are arranged in a ladder shape. The optical structure of the light spot compression structure is simple and low in price, but the requirement of the light spot compression structure on the dimensional accuracy of a mechanical component provided with the reflection strip is extremely strict, whether the mechanical component is qualified or not can be judged by a conventional detection method in cooperation with an optical detection method, once the mechanical component is judged to be unqualified, parts are difficult to repair and basically judged to be useless, and the cost of the light spot compression structure is high.
In summary, how to design the spot compression structure to reduce the spot compression cost is an urgent problem to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide a light spot compression structure to reduce light spot compression cost. Another object of the present invention is to provide a light source device having the above-mentioned spot compression structure.
In order to achieve the above purpose, the invention provides the following technical scheme:
a spot compression structure comprising:
a reflective strip for opposing the at least two light sources;
the adjusting mechanism bears the reflecting strips and can adjust the reflecting angles of the reflecting strips;
wherein, the adjustment mechanism includes: the bracket is arranged on the adjusting component of the bracket; the reflection strips are borne by the adjusting assemblies, and the adjusting assemblies correspond to the reflection strips one to one.
Preferably, the adjusting component is rotatably arranged on the bracket.
Preferably, the adjustment assembly comprises: the rotating shaft is rotatably arranged on the support, and the reflecting strip is fixed on the rotating shaft.
Preferably, the light spot compression structure further includes: and the fixing piece is used for fixedly connecting the rotating shaft with the support, and when the reflection angle of the reflection strip is adjusted to a preset angle, the fixing piece is fixedly connected with the rotating shaft and the support.
Preferably, both ends of the rotating shaft are rotatably arranged on the support, a plane structure is arranged on the side face of the rotating shaft, and the reflecting strip is fixed on the plane structure.
Preferably, the adjustment mechanism further comprises:
a mounting block fixed to the bracket;
the adjusting screw penetrates through the mounting block and is in threaded fit with the mounting block;
one end of the adjusting spring is connected with the bracket, and the other end of the adjusting spring is connected with the movable end of the rotating shaft;
the adjusting device comprises a support, an adjusting spring, a rotating shaft, a movable end and an adjusting screw, wherein an included angle is formed between the axis of the adjusting spring and the axis of the rotating shaft, the movable end of the rotating shaft is arranged on the support in a sliding mode along the axial direction of the adjusting spring, and the tail end of the adjusting screw is abutted to the side face of the rotating shaft.
Preferably, the support is provided with a positioning column, and two ends of the adjusting spring are respectively hooked with the movable end of the rotating shaft and the positioning column.
Preferably, the stent comprises a first plate and a second plate; the two ends of the rotating shaft are respectively and rotatably arranged on the first support plate and the second support plate, the adjusting screw, the fixed block and the adjusting spring are respectively arranged on the first support plate, and the adjusting screw and the adjusting spring are respectively arranged on two sides of the first support plate.
According to the light spot compression structure provided by the invention, the adjustment mechanism is arranged, the reflection angle of the reflection strip is adjusted by using the adjustment mechanism, and the adjustment assemblies correspond to the reflection strips one to one, so that the reflection angle of each reflection strip can be adjusted, and the reflection angle of each reflection strip can be adjusted in the installation process of the light spot compression structure, so that the requirement on the size precision of a mechanical component is reduced, the qualification rate is improved, unqualified products are reduced, and the light spot compression cost is reduced.
Based on the light spot compression structure, the invention also provides a light source device, which comprises: the light source device is a light spot compression structure for compressing light emitted by the light source device; the light source device comprises a plurality of light sources, and the light spot compression structure is any one of the light spot compression structures.
Preferably, the light source is a laser.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a light spot compression structure according to an embodiment of the present invention;
FIG. 2 is a front view of the spot compression structure of FIG. 1;
fig. 3 is another schematic structural diagram of a spot compression structure according to an embodiment of the present invention;
FIG. 4 is a front view of the spot compression structure of FIG. 3;
FIG. 5 isbase:Sub>A cross-sectional view A-A of FIG. 4;
fig. 6 is a schematic view of another direction of the light spot compression structure of fig. 3.
In the above FIGS. 1-6:
the light source device comprises a light source 1, a reflecting strip 2, a rotating shaft 3, a movable end 31, a support 4, a first support plate 41, a second support plate 42, an adjusting spring 5, a positioning column 6, an adjusting screw 7, an installation block 8 and a strip-shaped hole 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to reduce the cost of spot compression, the present invention provides a spot compression structure, which is specifically described by the following two embodiments.
As shown in fig. 1 and fig. 2, a first optical spot compression structure provided in an embodiment of the present invention includes: a reflective strip 2 and an adjustment mechanism.
The adjusting mechanism bears the reflection strip 2 and can adjust the reflection angle of the reflection strip 2. Specifically, the above-mentioned adjustment mechanism includes: the bracket is arranged on the adjusting component of the bracket; the reflection strips 2 are supported on the adjusting components, and the adjusting components correspond to the reflection strips 2 one by one. It is understood that the reflection angle refers to a reflection angle of light emitted from the light source after being reflected by the reflection bar 2. The number of the reflection bars 2 is the same as the number of the adjustment members.
In the light spot compression structure, the support can be provided with only one adjusting assembly, and at least two supports are arranged; alternatively, the number of the brackets is one, and the brackets are provided with at least two adjusting components. The support can be a separately arranged component or a shell of the light source device.
The adjusting component is rotatably arranged on the support, and the reflecting strip 2 is fixed on the adjusting component. Specifically, the adjustment assembly includes: and a rotating shaft 3 rotatably arranged on the bracket, wherein the reflection strip 2 is fixed on the rotating shaft 3, as shown in fig. 1. Therefore, the reflection angle of the reflection strip 2 can be adjusted by manually rotating the rotating shaft 3, the structure is simplified, and the installation is convenient.
The reflection bar 2 is adhered to the rotation shaft 3. Of course, the reflective strip 2 may be alternatively clamped to the rotating shaft 3, or the reflective strip 2 may be fixed to the rotating shaft 3 through a connecting member, which is not limited thereto.
In order to facilitate the installation of the reflection bar 2, the two ends of the rotating shaft 3 are rotatably arranged on the bracket, a plane structure is arranged on the side surface of the rotating shaft 3, and the reflection bar 2 is fixed on the plane structure, as shown in fig. 1.
The rotating direction and the rotating mode of the rotating shaft 3 can be designed according to actual needs. The relative position relationship between the reflective strips 2 and the rotating shaft 3 needs to be designed according to the rotating direction of the rotating shaft 3, so as to ensure that the reflective angle of the reflective strips 2 can be changed when the rotating shaft 3 is rotated.
The light spot compression structure provided by the first embodiment is adjustable in the reflection angle of the reflection strip 2 before and during installation, and when the reflection angle of the reflection strip 2 is adjusted to a preset angle, the rotating shaft 3 can be fixed relative to the support by friction force, but is unstable. In order to improve reliability, the first embodiment of the invention provides the optical spot compression structure further including: and the fixing piece is used for fixedly connecting the rotating shaft 3 and the bracket. When the reflection angle of the reflection strip 2 is adjusted to a preset angle, the fixing piece is fixedly connected with the rotating shaft 3 and the support. Like this, through mounting fixed connection pivot 3 and support, effectively avoided reflection strip 2 to transfer to predetermineeing the angle after the change again.
The fixing piece can be a welding spot, an adhesive, a connecting piece and the like. For the convenience of installation, the fixing piece is preferably selected to be the viscose, and when the reflection angle of the reflection strip 2 is adjusted to the preset angle, the rotating shaft 3 is fixedly connected with the support through the viscose.
Above-mentioned adjusting part still locates the support slidable, specifically, adjusting part includes: the two sliding rods are slidably arranged on the bracket, one end of the reflection strip 2 is fixed on one sliding rod, and the other end of the reflection strip 2 is fixed on the other sliding rod; wherein, the sliding rod is arranged on the bracket in a sliding way along the axial direction. The sliding of the sliding rod can be controlled manually or by a driving piece. Thus, the reflection angle of the reflection bar 2 can be adjusted by adjusting the sliding distance of the two sliding bars.
According to the light spot compression structure provided by the embodiment of the invention, the rotating shaft 3 is arranged, the reflecting strips 3 are rotated by rotating the rotating shaft 3, so that the reflecting angles of the reflecting strips 2 are adjusted, and the rotating shaft 3 corresponds to the reflecting strips 2 one by one, so that the reflecting angle of each reflecting strip 2 can be adjusted, and the reflecting angle of each reflecting strip 2 is adjusted in the installation process of the light spot compression structure, so that the requirement on the size precision of a mechanical component is reduced, the qualification rate is improved, unqualified products are reduced, and the light spot compression cost is reduced.
Meanwhile, the light spot compression structure provided by the embodiment of the invention has the advantages of simple structure and convenience in operation, and improves the optical efficiency.
As shown in fig. 3 to 6, a spot compression structure provided by the second embodiment of the present invention includes: a reflective strip 2 and an adjustment mechanism.
The adjusting mechanism bears the reflecting strip 2 and can adjust the reflecting angle of the reflecting strip 2. Specifically, the above-mentioned adjustment mechanism includes: the bracket 4 is rotatably arranged on the rotating shaft 3 of the bracket 4, and is fixed on the mounting block 8 of the bracket 4; the adjusting screw 7 penetrates through the mounting block 8 and is in threaded fit with the mounting block 8; one end of the adjusting spring 5 is connected with the bracket 4, and the other end of the adjusting spring 5 is connected with the movable end 31 of the rotating shaft 3; the reflection strips 2 are fixed on the rotating shaft 3, and the rotating shaft 3 corresponds to the reflection strips 2 one by one. It will be appreciated that the number of reflector strips 2 is the same as the number of rotation axes.
An included angle is formed between the axis of the adjusting spring 5 and the axis of the rotating shaft 3, the movable end 31 of the rotating shaft 3 is slidably arranged on the bracket 4 along the axial direction of the adjusting spring 5, and the tail end of the adjusting screw 7 is abutted against the side surface of the rotating shaft 3. It should be noted that the included angle between the axis of the adjusting spring 5 and the axis of the rotating shaft 3 is greater than 0 ° and less than 180 °.
The adjusting mechanism is provided with the rotating shaft 3, and the reflecting strip 3 is rotated by rotating the rotating shaft 3, so that the reflecting angle of the reflecting strip 2 is adjusted; by rotating the adjusting screw 7, the adjusting screw 7 moves along the axial direction thereof, the movable end 31 of the rotating shaft 3 moves along the axial direction of the adjusting screw 7 along with the adjusting screw 7 under the action of the adjusting spring 5, and the reflection bar 2 on the rotating shaft 3 moves synchronously along with the rotating shaft 3. Because the movable end 31 of the rotating shaft 3 moves along the axial direction of the adjusting spring 5 and an included angle is formed between the axis of the adjusting spring 5 and the axis of the rotating shaft 3, it indicates that after the movable end 31 of the rotating shaft 3 moves, the light spot reflected by the reflecting strip 2 changes position along the vertical direction, thereby realizing the adjustment of the light spot density.
According to the light spot compression structure provided by the second embodiment of the invention, the rotating shaft 3 is arranged, and the reflecting strips 3 are rotated by rotating the rotating shaft 3, so that the reflecting angles of the reflecting strips 2 are adjusted, and the rotating shaft 3 corresponds to the reflecting strips 2 one by one, so that the reflecting angle of each reflecting strip 2 can be adjusted, and the reflecting angle of each reflecting strip 2 can be adjusted in the installation process of the light spot compression structure, so that the requirement on the size precision of a mechanical component is reduced, the qualification rate is improved, unqualified products are reduced, and the light spot compression cost is reduced; moreover, the adjustment of the reflection position of the reflection strip 2, namely the adjustment of the light spot density is realized by rotating the adjusting screw 7, and the adjustment performance is effectively improved.
When the adjusting screw 7 moves to one side far away from the rotating shaft 3, the adjusting spring 5 is compressed; when the adjusting screw 7 moves to a side close to the rotating shaft 3, the compression amount of the adjusting spring 5 is reduced or restored to the original length. Or when the adjusting screw 7 moves to one side far away from the rotating shaft 3, the stretching amount of the adjusting spring 5 is reduced or the original length is recovered; when the adjusting screw 7 moves to a side close to the rotary shaft 3, the adjusting spring 5 is stretched.
As shown in fig. 3, the angle between the axis of the adjusting spring 5 and the axis of the rotating shaft 3 is an obtuse angle. Thus, the arrangement is convenient, the light spot density is also convenient to adjust,
as shown in fig. 3-5, the bracket 4 is provided with a strip-shaped hole 9, the length direction of the strip-shaped hole 9 is the axial direction of the adjusting spring 5, and the movable end 31 of the rotating shaft 3 passes through the strip-shaped hole 9. Further, the strip-shaped hole 9 is a kidney-shaped hole. Of course, it is also possible to choose to provide a sliding track on the bracket 4, which cooperates with the movable end 31 of the shaft 3 to ensure the sliding of the movable end 31 of the shaft 3.
The tail end of the adjusting screw 7 abuts against the side surface of the rotating shaft 3, and it can be understood that the nut end of the adjusting screw 7 is a head end, and the end opposite to the head end is a tail end. In order to improve the function of the adjusting screw 7, the adjusting screw 7 is preferably abutted against a portion of the side surface of the rotating shaft 3 near the movable end 31.
The bracket 4 is provided with a positioning column 6, and two ends of the adjusting spring 5 are respectively hooked with the movable end 31 of the rotating shaft 3 and the positioning column 6, as shown in fig. 3. Thus, the installation and the disassembly are convenient. Of course, two ends of the adjusting spring 5 may be fixedly connected or clamped with the movable end 31 of the rotating shaft 3 and the positioning column 6, respectively, and are not limited to the above embodiment.
As shown in fig. 3, 5 and 6, the bracket 4 includes a first plate 41 and a second plate 42; the two ends of the rotating shaft 3 are respectively and rotatably arranged on the first support plate 41 and the second support plate 42, the adjusting screw 7, the fixed block 8 and the adjusting spring 5 are all arranged on the first support plate 41, and the adjusting screw 7 and the adjusting spring 5 are respectively arranged on two sides of the first support plate 41.
It can be understood that the adjusting screw 7 and the fixing block 8 are both located on the same side of the first supporting plate 41, and the strip-shaped hole 9 is formed in the first supporting plate 41.
The reflective strips 2 are bonded to the rotating shaft 3. Of course, the reflective strip 2 may be alternatively clamped to the rotating shaft 3, or the reflective strip 2 may be fixed to the rotating shaft 3 through a connecting member, but is not limited thereto.
In order to facilitate the installation of the reflection bar 2, the two ends of the rotating shaft 3 are rotatably disposed on the bracket 4, a planar structure is disposed on the side surface of the rotating shaft 3, and the reflection bar 2 is fixed on the planar structure, as shown in fig. 3.
The rotating direction and the rotating mode of the rotating shaft 3 can be designed according to actual needs. The relative position relationship between the reflection strip 2 and the rotating shaft 3 needs to be designed according to the rotating direction of the rotating shaft 3, so as to ensure that the reflection angle of the reflection strip 2 can be changed when the rotating shaft 3 is rotated.
The light spot compression structure provided by the second embodiment has the advantages that before installation and in the installation process, the reflection angle of the reflection strip 2 is adjustable, when the reflection angle of the reflection strip 2 is adjusted to the preset angle, the rotating shaft 3 can be fixed relative to the support 4 by means of friction force, but the light spot compression structure is unstable. In order to improve reliability, the second embodiment of the present invention provides the light spot compression structure, further comprising: and a fixing member for fixedly connecting the rotating shaft 3 and the bracket 4. When the reflection angle of the reflection strip 2 is adjusted to a preset angle, the fixing piece is fixedly connected with the rotating shaft 3 and the bracket 4. Like this, through mounting fixed connection pivot 3 and support 4, effectively avoided reflection strip 2 to change again after transferring to predetermineeing the angle.
The fixing piece can be a welding spot, an adhesive, a connecting piece and the like. For the convenience of installation, the preferred selection mounting is the viscose, and when the reflection angle of reflection strip 2 adjusted to predetermineeing the angle, pivot 3 passes through viscose and support 4 fixed connection.
The light spot compression structures provided by the first embodiment and the second embodiment of the invention are used for compressing array parallel light spots, specifically, an entire column of parallel light with a wider interval can be emitted through the light spot compression structure by parallel light with a smaller interval, and the reflection angles of the reflection strips 2 are adjusted to be different angles, so that the emitted light can be emitted as a converged light beam. In order to compress the array parallel light spots, the reflective strips 2 are required to be arranged in a step shape, and may be arranged in a row of step shapes, or may be arranged in two rows of step shapes, or may be arranged in multiple rows of step shapes, and for the arrangement mode and structure of the reflective strips 2, corresponding adjustment may be performed according to the corresponding situation of the light source array, which is not described herein again.
In the light spot compression structures provided in the first and second embodiments of the present invention, the reflection angle refers to a reflection angle at which light emitted from the light source is reflected by the reflection bar 2. The above-mentioned reflective strip 2 is used opposite to the two light sources, i.e. the reflective strip 2 is used to reflect the light of the two light sources. Of course, it is also possible to choose that the reflective strip 2 is opposite to three light sources, four light sources, five light sources or six light sources.
Based on the light spot compression structure provided by the first embodiment and the second embodiment, an embodiment of the present invention further provides a light source device, including: a light source 1, a light spot compression structure for compressing the light emitted by the light source 1; wherein, the light source device 1 comprises a plurality of light sources, and the light spot compression structure is the light spot compression structure described in the above embodiment.
It should be noted that the reflection bar 2 of the light spot compression structure may be opposite to two light sources, three light sources, four light sources or six light sources of the light source device 1.
Since the light spot compression structures provided in the first and second embodiments have the above technical effects, and the light source device provided in the embodiment of the present invention has the above light spot compression structure, the light source device provided in the embodiment of the present invention also has corresponding technical effects, and details are not described herein again.
Preferably, in the light source device, the light source 1 is a laser. Of course, the light source 1 may be other light sources, such as an LED light source, and is not limited to the above embodiment.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A spot compression structure, comprising:
a reflective strip (2) for opposing at least two light sources;
the adjusting mechanism is used for bearing the reflecting strip (2) and adjusting the reflecting angle of the reflecting strip (2);
wherein, the adjustment mechanism includes: the bracket (4) is arranged on the adjusting component of the bracket (4); the reflection strips (2) are borne on the adjusting assemblies, and the adjusting assemblies correspond to the reflection strips (2) one by one;
support (4) include strip hole (9) or slide rail, the adjusting part includes pivot (3), pivot (3) rotationally locate support (4), wherein, reflection strip (2) are fixed in pivot (3), locate movable end (31) slidable of pivot (3) strip hole (9) or the slide rail.
2. The spot compression structure according to claim 1, further comprising: and the fixing piece is used for fixedly connecting the rotating shaft (3) and the support (4), and when the reflection angle of the reflection strip (2) is adjusted to a preset angle, the fixing piece is fixedly connected with the rotating shaft (3) and the support (4).
3. A spot compression structure according to claim 1, wherein both ends of the rotating shaft (3) are rotatably disposed on the bracket (4), a planar structure is disposed on a side surface of the rotating shaft (3), and the reflection strip (2) is fixed to the planar structure.
4. The spot compression structure according to any one of claims 1 to 3, wherein the adjustment mechanism further comprises:
a mounting block (8) fixed to the bracket (4);
the adjusting screw (7) penetrates through the mounting block (8) and is in threaded fit with the mounting block (8);
one end of the adjusting spring (5) is connected with the support (4), the other end of the adjusting spring (5) is connected with the movable end (31), and an included angle is formed between the axis of the adjusting spring (5) and the axis of the rotating shaft (3);
the movable end (31) of the rotating shaft (3) is arranged in the strip-shaped hole (9) or the sliding rail in a sliding mode along the axial direction of the adjusting spring (5), and the tail end of the adjusting screw (7) is abutted to the side face of the rotating shaft (3).
5. The light spot compression structure according to claim 4, wherein the support (4) is provided with a positioning column (6), and two ends of the adjusting spring (5) are respectively hooked with the movable end (31) of the rotating shaft (3) and the positioning column (6).
6. The spot compression structure according to claim 4, characterized in that the support (4) comprises a first support plate (41) and a second support plate (42); wherein, first extension board (41) are equipped with bar hole (9) or the slide rail, rotationally locate respectively at the both ends of pivot (3) first extension board (41) with second extension board (42), just pivot (3) expansion end (31) still locate slidable bar hole (9) or the slide rail, adjusting screw (7) installation piece (8) with adjusting spring (5) all locate first extension board (41), wherein, adjusting screw (7) with adjusting spring (5) are located respectively the both sides of first extension board (41).
7. A light source device comprising: the light source device (1) is a light spot compression structure for compressing light emitted by the light source device (1); wherein the light source device (1) comprises a plurality of light sources, characterized in that the spot compression structure is according to any one of claims 1-6.
8. A light source device according to claim 7, characterized in that the light source device (1) is a laser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110086265.8A CN113154336B (en) | 2016-02-05 | 2016-02-05 | Light spot compression structure and light source device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110086265.8A CN113154336B (en) | 2016-02-05 | 2016-02-05 | Light spot compression structure and light source device |
| CN201610082016.0A CN107044620B (en) | 2016-02-05 | 2016-02-05 | Light spot compression structure and light source device |
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| CN201610082016.0A Division CN107044620B (en) | 2016-02-05 | 2016-02-05 | Light spot compression structure and light source device |
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| CN113154336A CN113154336A (en) | 2021-07-23 |
| CN113154336B true CN113154336B (en) | 2022-11-11 |
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| Publication number | Publication date |
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| CN107044620A (en) | 2017-08-15 |
| CN113154336A (en) | 2021-07-23 |
| CN107044620B (en) | 2021-02-26 |
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