CN210609363U - Light-emitting module, camera and electronic equipment - Google Patents
Light-emitting module, camera and electronic equipment Download PDFInfo
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- CN210609363U CN210609363U CN201920878688.1U CN201920878688U CN210609363U CN 210609363 U CN210609363 U CN 210609363U CN 201920878688 U CN201920878688 U CN 201920878688U CN 210609363 U CN210609363 U CN 210609363U
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Abstract
The utility model relates to a light-emitting module, camera and electronic equipment. The light emitting module includes: a light emitting unit having a light source; the reflecting surface of the first reflecting unit is opposite to the light source and is used for reflecting the light emitted by the light source and projecting the light emitted by the light source to a target object so as to realize the copying of the light source; and the driving unit is connected with the first reflecting unit and used for driving the first reflecting unit to rotate so as to change an included angle between the light and the reflecting surface of the first reflecting unit, thereby duplicating a series of light sources to project to different positions of a target object. In the present invention, the combination of the driving unit and the first reflecting unit can function as the DOE. When the rotation angle of the first reflection unit is changed, the projection range of the light rays is changed, namely, the DOE DOEs not need to be redesigned and replaced as in the prior art, and the operation is simple and convenient.
Description
Technical Field
The utility model relates to a camera equipment field especially relates to a light-emitting module, camera and electronic equipment.
Background
In a 3D camera, light emitted from a light source needs to be diffracted by a DOE (DOE is an abbreviation of differential optical elements, and is referred to as a Diffractive optical element), and the DOE copies the light source on the VCSEL wafer and projects the light onto a target object. However, since the DOE is fixed in structural arrangement, the projection range thereof is also fixed, and if the projection range of the light-emitting module is to be changed, the DOE needs to be designed and replaced again, which is very troublesome to operate.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model provides a light-emitting module, camera and electronic equipment aims at conveniently adjusting light-emitting module's projection scope.
A lighting module, comprising: a light emitting unit having a light source; the reflecting surface of the first reflecting unit is opposite to the light source and is used for reflecting the light emitted by the light source and projecting the light emitted by the light source to a target object so as to realize the copying of the light source; and the driving unit is connected with the first reflecting unit and used for driving the first reflecting unit to rotate so as to change an included angle between the light and the reflecting surface of the first reflecting unit, thereby duplicating a series of light sources to project to different positions of a target object.
The utility model discloses in, when drive unit drives first reflection unit and DOEs not stop to come and go the rotation, alright in order to play the effect of DOE. Meanwhile, when the rotation angle of the first reflection unit is changed, the projection range of the light is changed, so that when the projection range of the light is required to be changed, only the rotation angle range of the first reflection unit is changed, the DOE DOEs not need to be redesigned and replaced as in the prior art, and the operation is simple and convenient.
Further, the light emitting unit further includes: a substrate; the number of the light sources is multiple, and the light sources are all arranged on the substrate.
Further, the light emitting module further comprises a housing, and the light emitting unit, the reflecting unit and the driving unit are all arranged in the housing.
Further, the driving unit includes a first magnetic module and a second magnetic module, the first magnetic module is connected to the first reflecting unit, the second magnetic module is connected to the housing and is disposed opposite to the first magnetic module, and at least one of the first magnetic module and the second magnetic module is an electromagnetic module.
Further, the first reflection unit comprises a reflector and a connecting piece; wherein the connecting piece is used for connecting the reflector and the shell together and enabling the reflector to rotate relative to the shell.
Furthermore, the connecting piece comprises a rotating shaft, the rotating shaft is connected with the reflector, and the shell is provided with a mounting hole or a mounting groove which is matched with the rotating shaft, so that the rotating shaft is connected with the shell in a rotating way; or the connecting piece comprises a universal ball structure, the universal ball structure comprises a ball seat and a ball body, the ball body is rotatably arranged in the ball seat, one of the ball body and the ball seat is connected with the shell, and the other of the ball body and the ball seat is connected with the reflector.
Further, the first magnetic module piece is of an annular structure; the number of the second magnetic modules is multiple, and the second magnetic modules are uniformly distributed around the central axis of the first magnetic module.
Furthermore, the light-emitting module further comprises a collimation unit arranged between the light-emitting unit and the first reflection unit and used for selecting the light rays emitted by the light-emitting unit so as to enable the light rays emitted to the first reflection unit to be collimated light rays, and further the projection effect of the reflection unit on the light rays is improved.
Furthermore, the light-emitting module further comprises a reflection increasing film, and the reflection increasing film is attached to the reflection surface of the first reflection unit so as to improve the reflection effect of the reflector and further improve the light projection effect of the light-emitting module on the target object.
Furthermore, the light-emitting module further comprises a second reflecting unit, and a reflecting surface of the second reflecting unit is opposite to a reflecting surface of the first reflecting unit; the light emitted by the light-emitting unit is transmitted to the second reflecting unit after being reflected by the first reflecting unit, and then is projected to a target object through the second reflecting unit, so that the light can be projected to a proper position.
The utility model also provides a camera, include: a light emitting module for projecting light to a target object, the light emitting module being as described above; and the receiving module is used for receiving the light reflected by the target object to image.
The utility model also provides an electronic equipment, including the shell and as above the camera, the camera set up in the shell.
Drawings
Fig. 1 is a partial cross-sectional view of a light emitting module according to a first embodiment of the present invention;
fig. 2 is a schematic view of the first reflection unit and the driving unit according to the first embodiment of the present invention;
fig. 3 is a cross-sectional view of a first reflecting unit and a driving unit according to a second embodiment of the present invention;
fig. 4 is a schematic structural diagram of a light emitting module according to a third embodiment of the present invention.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
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 in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As shown in fig. 1, in the embodiment of the present invention, the light emitting module 100 includes a light emitting unit 1, a first reflecting unit 2, and a driving unit 3. The light Emitting unit 1 may be a VCSEL wafer (VCSEL is an abbreviation of Vertical cavity surface Emitting Laser, hereinafter referred to as Vertical cavity surface Emitting Laser), an EEL wafer (EEL is an abbreviation of Emitting Laser, hereinafter referred to as edge Emitting Laser), or the like. The reflecting surface 20 of the first reflecting unit 2 is opposite to the light emitting unit 1, and is used for reflecting the light emitted by the light emitting unit 1, and further projecting the light emitted by the light emitting unit 1 to a target object; the driving unit 3 is connected to the first reflecting unit 2, and is configured to drive the first reflecting unit 2 to rotate, so as to change an included angle between the light and the reflecting surface 20 of the first reflecting unit 2 (i.e. change an incident angle of the light), thereby adjusting a position of the light projected onto the target object.
As shown in fig. 1, in the present embodiment, the light emitting unit 1 includes a substrate 11 and a plurality of light sources 12 disposed on the substrate 11, wherein the number of the light sources 12 is multiple, and the light sources 12 are disposed on the substrate 11 according to a predetermined arrangement manner, for example, the light sources may be arranged according to a predetermined coding structure or distributed in a random structure array.
In this embodiment, the first reflection unit 2 reflects the light, so that the light source 12 can be copied, when the driving unit 3 drives the first reflection unit 2 to rotate, an included angle between the light emitted by the light source 12 and the reflection surface 20 of the first reflection unit is changed in real time, so that the reflection unit 2 can copy a series of light sources 12 to project the light sources to different positions of the target object, so that the projected light covers the whole target object, and finally 3D imaging is realized.
As shown in fig. 1, a is a front view of the light emitting unit 1, and B, C, D, E, F are images projected by the first reflecting unit 2 being rotated by a certain angle and reproduced on the light emitting unit 2. When the driving unit 3 drives the first reflecting unit 2 to rotate back and forth continuously, the continuous copying function of the light source 12 can be achieved, so that the DOE can be replaced by the whole body formed by the driving unit 3 and the first reflecting unit 2. Meanwhile, when the rotation angle of the first reflection unit 2 is changed, the projection range of the light is changed, so that when the projection range of the light is required to be changed, only the rotation angle range of the first reflection unit 2 is changed, the DOE DOEs not need to be redesigned and replaced like the prior art, and the operation is simple and convenient.
Meanwhile, in the prior art, in order to duplicate the light source, the DOE is required to diffract the light emitted by the light source, and the light is consumed when passing through the DOE, but in the embodiment, the light is hardly consumed after being reflected by the first reflecting unit 2, and the energy consumed when the driving unit 3 drives the first reflecting unit 2 to rotate is easily controlled within a small range.
As shown in fig. 1, in an actual product, the light emitting module 100 further includes a housing 4, the light emitting unit 1, the first reflecting unit 2, and the driving unit 3 can be disposed in the housing 4, and the housing 4 is provided with a notch 41, so that the light reflected by the first reflecting unit 2 passes through the notch 41 and out of the housing 4.
As shown in fig. 1, in the present embodiment, the light emitting module 100 further includes a collimating unit 5. The collimating unit 5 is disposed between the light emitting unit 1 and the first reflecting unit 2, and is used for selecting the light emitted by the light emitting unit 1 so as to make the light emitted to the first reflecting unit 2 be collimated light. It will be appreciated that the collimating unit 5 actually allows collimated light (or approximately collimated light) to pass through, and in the present embodiment, these light rays that can pass through the collimating unit 5 are collectively referred to as collimated light rays.
As shown in fig. 2, in the present embodiment, the light emitting module 100 further includes a reflection increasing film 6, and the reflection increasing film 6 is attached to the reflection surface 20 of the first reflection unit 2 to improve the reflection effect of the reflection unit, so as to improve the light projection effect of the light emitting module 100 on the target object. Meanwhile, the light loss can be reduced by the reflection increasing film 6, and the utilization rate of light source energy is further improved.
As shown in fig. 1 and 2, in the present embodiment, the first reflecting unit 2 includes a reflecting mirror 21, a rotating shaft 22, and a bracket 23, the rotating shaft 22 may be fixed on the reflecting mirror 21 by means of adhesion or the like, and the rotating shaft 22 is rotatably mounted on the bracket 23, i.e., the bracket 23 is provided with a corresponding mounting hole or mounting groove to be fitted with the rotating shaft. In this embodiment, the bracket 23 is connected to the housing 4, and may be integrally formed with the housing 4. In the present embodiment, a flat mirror or the like may be used as the reflecting mirror 21. Of course, in other embodiments, the mirror 21 may be replaced by a prism. In this case, the number of the rotating shafts 22 is two, and the rotating shafts are respectively bonded to two opposite side surfaces of the plane mirror. Of course, in other embodiments, the rotating shaft 22 may be a single one, and is adhered to the back surface of the plane mirror or penetrates through the plane mirror, wherein the back surface of the plane mirror is opposite to the reflecting surface (i.e. the reflecting surface 20 of the light emitting unit 2). Further, in the present embodiment, the axis about which the mirror 21 rotates is substantially perpendicular to the plane formed by the X-axis and the Y-axis, which is parallel to the optical axis of the collimator unit 5.
As shown in fig. 1 and 2, the driving unit 3 includes a first magnetic module 31 and a second magnetic module 32, wherein the first magnetic module 31 is disposed on the plane mirror (specifically, disposed on the back surface of the plane mirror), and the second magnetic module 32 is disposed inside the housing 4 and opposite to the first magnetic module 31. In addition, in this embodiment, the number of the first magnetic module 31 and the second magnetic module 32 is one, the first magnetic module 31 is a permanent magnet, the second magnetic module 32 is an electromagnetic module (such as an electromagnetic coil, etc.) that is energized to generate a magnetic force, and the two magnetic modules attract or repel each other by controlling the magnetism of the electromagnetic module, so that the plane mirror can be driven to rotate. It is understood that, in other embodiments, the first magnetic module 31 may be an electromagnetic module, the second magnetic module 32 may be a permanent magnet, or both the first magnetic module 31 and the second magnetic module 32 may be electromagnetic modules, that is, at least one of the first magnetic module 31 and the second magnetic module 32 is an electromagnetic module.
In addition, in other embodiments, the number of the first magnetic module 31 and the second magnetic module 32 may be two or more, respectively, and the two magnetic modules correspond to each other one by one, wherein the first magnetic module 31 and the second magnetic module 32 corresponding to each other one by one constitute one power source, so that the driving unit 3 has two or more power sources, which are respectively disposed at two sides of the rotating shaft 22. Of course, in other embodiments, a motor may be used to directly drive the plane mirror to rotate, and in this case, the motor may be fixed on the housing 4, and the main shaft of the motor is connected to the rotating shaft 22.
It will be appreciated that in other embodiments, the rotating shaft 22 may be replaced by other connectors, such as shown in fig. 3, and in another embodiment, the rotating shaft 22 is replaced by a universal ball structure 24, wherein the universal ball structure 24 has a ball seat 241 and a ball 242. The ball 242 is installed in the ball seat 241 and can rotate relative to the ball seat 241, the ball 242 is connected to the reflector 21, the ball seat 241 is connected to the bracket 23 (the ball seat 241 and the bracket 23 can be integrally arranged), and the reflector 21 can rotate relative to the bracket 23 in any direction. In this embodiment, the first magnetic module 31 is a permanent magnet, and is in a ring structure and is installed on the back surface of the reflector 21 (i.e. the back surface of the plane mirror); the second magnetic modules 32 are electromagnetic modules, and the number of the second magnetic modules 32 is multiple and is opposite to that of the first magnetic module 31, and the second magnetic modules 32 are uniformly arranged around the central axis of the first magnetic module 31. Thus, by controlling the magnetism of the second magnetic module 32, the mirror 21 can be rotated in any direction. In addition, it should be understood that the second electromagnetic modules 32 are insulated from each other. It will be appreciated that in other embodiments, the ball socket 241 may be connected to the reflector 21 and the ball 242 may be connected to the housing 4.
As shown in fig. 4, in the present embodiment, the light emitting module 100 further includes a second reflecting unit 7. The reflection surface of the second reflection unit 7 is opposite to the reflection surface 20 of the first reflection unit 2; the light emitted by the light emitting unit 1 is reflected by the first reflecting unit 2, transmitted to the reflecting surface of the second reflecting unit 7, and then projected to the target object through the second reflecting unit 7. In this embodiment, the projection direction of the light can be changed again by the second reflection unit 7 so that the light can be projected to a proper position. Here, in the present embodiment, the second reflecting unit 7 is provided inside the housing 4 and fixed with respect to the housing 4. In addition, the second reflecting unit 7 may reflect the light by means of reflection of a reflecting mirror. It will be appreciated that in other embodiments, the second reflecting unit 7 may also be rotatable relative to the housing, in which case a corresponding drive unit may also be provided to cause the second reflecting unit 7 to rotate.
It can be understood that a third reflection unit and the like can be further provided to further change the projection direction, that is, the light reflected by the second reflection unit 7 is transmitted to the third reflection unit, and by analogy, the light emitting module 100 can also be provided with other reflection units until the light is projected to a proper position.
The utility model provides a camera, this camera include light-emitting module 100 and receiving module, and light-emitting module 100 is used for throwing light to the target object, and receiving module is used for receiving the light that reflects back from the target object to form images, wherein, light-emitting module 100's the mode of setting is as above-mentioned arbitrary embodiment.
The utility model also provides an electronic equipment, this electronic equipment can be smart mobile phone, panel computer, projecting apparatus etc.. Wherein, this electronic equipment includes shell and camera as above-mentioned. In addition, in the present embodiment, the housing 4 of the light emitting module 100 of the camera may be integrally provided with the housing of the electronic device.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A light emitting module, comprising:
a light emitting unit having a light source;
the reflecting surface of the first reflecting unit is opposite to the light emergent surface of the light source and is used for reflecting the light emitted by the light source and projecting the reflected light to a target object so as to realize the copying of the light source;
and the driving unit is connected with the first reflecting unit and used for driving the first reflecting unit to rotate so as to change an included angle between the light and the reflecting surface of the first reflecting unit, thereby duplicating a series of light sources to project to different positions of a target object.
2. The illumination module according to claim 1, wherein the illumination unit further comprises a substrate, and the light sources are disposed on the substrate, wherein the number of the light sources is plural.
3. The lighting module of claim 1, further comprising a housing, wherein the lighting unit, the first reflecting unit, and the driving unit are disposed within the housing.
4. The illumination module as recited in claim 3 wherein the driving unit comprises a first magnetic module and a second magnetic module, the first magnetic module is connected to the first reflective unit, the second magnetic module is connected to the housing and disposed opposite to the first magnetic module, and at least one of the first magnetic module and the second magnetic module is an electromagnetic module.
5. The illumination module as claimed in claim 4, wherein the first reflection unit comprises a reflector and a connector; wherein the connecting piece is used for connecting the reflector and the shell together and enabling the reflector to rotate relative to the shell.
6. The lighting module of claim 5, wherein the connecting member comprises a rotating shaft, the rotating shaft is connected to the reflector, and the housing has a mounting hole or a mounting groove for engaging with the rotating shaft, so that the rotating shaft is rotatably connected to the housing; or
The connecting piece includes universal ball structure, universal ball structure includes ball seat and spheroid, the spheroid rotationally installs in the ball seat, just one of them of spheroid and the ball seat meets with the casing, another one of them of spheroid and the ball seat meets with the speculum.
7. The lighting module according to claim 6, wherein the first magnetic module is a ring structure; the number of the second magnetic modules is multiple, and the second magnetic modules are uniformly distributed around the central axis of the first magnetic module.
8. The illumination module as claimed in claim 1, further comprising a collimating unit disposed between the illumination unit and the first reflection unit for selecting the light emitted from the illumination unit so that the light emitted to the first reflection unit is collimated light; and/or
The light-emitting module also comprises a reflection increasing film which is attached to the reflection surface of the first reflection unit; and/or
The light-emitting module further comprises a second reflecting unit, and the reflecting surface of the second reflecting unit is opposite to the reflecting surface of the first reflecting unit;
the light emitted by the light-emitting unit is transmitted to the second reflecting unit after being reflected by the first reflecting unit, and then is projected to a target object through the second reflecting unit.
9. A camera, comprising:
a light module for projecting light towards a target object, the light module being as claimed in any one of claims 1 to 8; and
and the receiving module is used for receiving the light reflected by the target object to image.
10. An electronic device comprising a housing and the camera of claim 9, the camera disposed within the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920878688.1U CN210609363U (en) | 2019-06-12 | 2019-06-12 | Light-emitting module, camera and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920878688.1U CN210609363U (en) | 2019-06-12 | 2019-06-12 | Light-emitting module, camera and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210609363U true CN210609363U (en) | 2020-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920878688.1U Expired - Fee Related CN210609363U (en) | 2019-06-12 | 2019-06-12 | Light-emitting module, camera and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210609363U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022000535A1 (en) * | 2020-06-30 | 2022-01-06 | 诚瑞光学(常州)股份有限公司 | Optical apparatus and electronic device |
-
2019
- 2019-06-12 CN CN201920878688.1U patent/CN210609363U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022000535A1 (en) * | 2020-06-30 | 2022-01-06 | 诚瑞光学(常州)股份有限公司 | Optical apparatus and electronic device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 330000 east of Xueyuan 6th Road, south of Tianxiang Avenue, Nanchang hi tech Industrial Development Zone, Nanchang City, Jiangxi Province Patentee after: OFilm Microelectronics Technology Co.,Ltd. Address before: 330029 No. 1189 Jingdong Avenue, Nanchang high tech Zone, Jiangxi Patentee before: NANCHANG OFILM BIO-IDENTIFICATION TECHNOLOGY Co.,Ltd. Address after: 330096 No.699 Tianxiang North Avenue, Nanchang hi tech Industrial Development Zone, Nanchang City, Jiangxi Province Patentee after: Jiangxi OMS Microelectronics Co.,Ltd. Address before: 330000 east of Xueyuan 6th Road, south of Tianxiang Avenue, Nanchang hi tech Industrial Development Zone, Nanchang City, Jiangxi Province Patentee before: OFilm Microelectronics Technology Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200522 |