CN106569382B - Laser-projector and its depth camera - Google Patents
Laser-projector and its depth camera Download PDFInfo
- Publication number
- CN106569382B CN106569382B CN201610951201.9A CN201610951201A CN106569382B CN 106569382 B CN106569382 B CN 106569382B CN 201610951201 A CN201610951201 A CN 201610951201A CN 106569382 B CN106569382 B CN 106569382B
- Authority
- CN
- China
- Prior art keywords
- laser
- light
- optical element
- lens
- diffraction optical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/208—Homogenising, shaping of the illumination light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
- G01B11/25—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object
-
- 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
- G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
- G02B27/4233—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application
-
- 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
- G02B27/48—Laser speckle optics
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
Abstract
The invention discloses a kind of laser-projector and its depth cameras.The projecting apparatus includes：Substrate, at least two light-emitting components, controller, at least two lens and diffraction optical element；At least two light-emitting components are fixed on substrate towards diffraction optical element side, and emit laser under the control of the controller；Diffraction optical element be arranged on on the position of the first distance of substrate separation, for emitting laser pattern after above-mentioned laser beam expanding；At least two lens are set between substrate and diffraction optical element and/or diffraction optical element carries on the back based side, for focusing on and/or collimating above-mentioned laser, and set at least two lens that there are at least two different focal lengths and/or at least two different second distances at least two light-emitting component intervals.The projecting apparatus can improve the irrelevance of laser pattern while output power and volume requirement is met, so as to improve the speed and precision that its depth camera obtains depth image.
Description
Technical field
The present invention relates to optical field, more particularly to a kind of laser-projector and its depth camera.
Background technology
Laser-projector is used to the optical design to object space transmitting setting, is led based on optical three-dimensional measurement
Domain, laser-projector are widely applied.Laser-projector is generally made of light source, collimating mirror and diffraction optical element,
Wherein light source can be that single edge emitting laser light source can also be by face that multiple vertical cavity surface-emitting lasers form battle array laser
Light source etc..
Laser-projector based on single edge emitting laser light source can emit the higher laser pattern of irrelevance, but its
Volume can be significantly increased with the increase of output power, and the uniformity of the laser pattern is poor；And based on by least two
The laser-projector of vertical cavity surface-emitting laser light source can be launched with smaller volume equal-wattage and with higher it is uniform
The laser pattern of property, but the irrelevance of the laser pattern is relatively low, and the height of the irrelevance of laser pattern directly affects
The height of its depth image precision and the speed of acquisition speed.
Invention content
The invention mainly solves the technical problem of providing a kind of laser-projector and its depth camera, to solve existing skill
It is the output power and volume requirement for meeting laser-projector in art, and the irrelevance of its laser pattern emitted is caused to reduce
The problem of.
In order to solve the above technical problems, the present invention provides a kind of laser-projector, including：Substrate, at least two luminous members
Part, controller, at least two lens and diffraction optical element；The diffraction optical element is arranged on and the substrate separation first
On the position of distance；At least two light-emitting component is fixed on the substrate towards the diffraction optical element side；It is described
At least two lens are set between the substrate and the diffraction optical element；
The light-emitting component emits laser under the control of the controller；At least two lens for focus on and/
Or the laser that collimation is launched by least two light-emitting component, wherein at least two lens have at least two differences
Focal length and/or at least two different second distances at least two light-emitting components interval；The diffraction optics member
Part is used to that laser pattern will to be emitted into space after the laser beam expanding after at least two lens focus and/or collimation.
Wherein, the difference of the maxima and minima in described at least two different focal lengths is less than the first threshold of setting
Value.
Wherein, the difference of the maxima and minima in described at least two different second distances is less than the second of setting
Threshold value.
Wherein, the laser-projector further comprises：The diffraction optical element is arranged on backwards to the one of the substrate
Side has at least two different focal lengths and/or at least two different third distances with the diffraction optical element interval
At least two lens.
Wherein, the controller carries out at least two light-emitting component individually control, grouping controls or entirety is controlled
System.
Wherein, at least two lens and at least two light-emitting component in a pair one or one-to-many corresponding pass
System.
Wherein, the light-emitting component is vertical cavity surface emitting laser.
Wherein, the laser pattern of diffraction optical element transmitting is speckle particle pattern, in the speckle particle pattern
Particle at least has two different sizes.
In order to solve the above technical problems, the present invention also provides another laser-projector, including：Substrate, at least two hairs
Optical element, controller, at least two lens and diffraction optical element；The diffraction optical element is arranged on and the substrate separation
On the position of first distance；At least two light-emitting component is fixed on the substrate towards the diffraction optical element side；
At least two lens are set to the diffraction optical element backwards to the side of the substrate；
The light-emitting component emits laser under the control of the controller；The diffraction optical element is used for by described in extremely
The laser beam expanding that few two light-emitting components are launched；At least two lens are used to focus on and/or collimate by the diffraction light
It learns the laser after element expands and emits laser pattern into space, wherein at least two lens are different at least two
Focal length and/or at least two different second distances at least two light-emitting components interval.
In order to solve the above technical problems, the present invention also provides a kind of depth camera, including：Image acquisition units, processor
And the laser-projector；
The laser figure that described image collecting unit is projected for acquisition from the laser-projector into object space
Case；The processor is used for by being handled to obtain depth image to the laser pattern.
The beneficial effects of the invention are as follows：The prior art is different from, a kind of laser-projector of the present invention and its depth camera lead to
The output power and volume requirement for meeting laser-projector using at least two light-emitting components are crossed, while passes through setting at least two
Lens cause at least two different focal lengths and/or with the distance between at least two different lens and light-emitting component
There are at least two different waist radius and angle of flare by the laser of at least two lens, which passes through diffraction optics member
It can emit after the expanding of part and form the laser pattern at least two light-emitting areas, so as to improve swashing for laser-projector transmitting
The irrelevance of light pattern further improves speed and precision that its depth camera obtains the depth image of the laser pattern.
Description of the drawings
Fig. 1 is the structure diagram of laser-projector first embodiment of the present invention；
Fig. 2 is the schematic diagram of laser pattern in Fig. 1 embodiments；
Fig. 3 is the structure diagram of one embodiment of lens array in laser-projector of the present invention；
Fig. 4 is the distribution schematic diagram of light-emitting component in Fig. 1 embodiments；
Fig. 5 is the structure diagram of laser-projector second embodiment of the present invention
Fig. 6 be in Fig. 1 embodiments controller to the schematic diagram of light-emitting component control mode first embodiment；
Fig. 7 be in Fig. 1 embodiments controller to the schematic diagram of light-emitting component control mode second embodiment；
Fig. 8 be in Fig. 1 embodiments controller to the schematic diagram of light-emitting component control mode 3rd embodiment；
Fig. 9 is the structure diagram of laser-projector 3rd embodiment of the present invention
Figure 10 is the schematic diagram of laser pattern in Fig. 9 embodiments；
Figure 11 is the structure diagram of one embodiment of depth camera of the present invention.
Specific embodiment
Refering to Fig. 1, Fig. 1 is the structure diagram of one embodiment of laser-projector of the present invention.
The present embodiment laser-projector includes substrate 10, at least two light-emitting components 11 and 12, controller 13, at least two
Lens 151,152 and diffraction optical element 14.
Wherein, diffraction optical element 14, which is arranged on, is spaced with substrate 10 on the position of the first distance；At least two luminous members
Part 11,12 is fixed on substrate 10 towards the side of diffraction optical element 14；At least two lens 151,152 be set to substrate 10 with
Between diffraction optical element 14.
Wherein, at least two light-emitting components 11,12 emit laser under the control of controller 13, at least two lens 151,
152 for focusing on and/or collimating the laser launched by least two light-emitting components 11,12, and shown in figure at least two thoroughly
Mirror 151,152 has at least two different focal lengths, and certain at least two lens 151,152 can also have at least two differences
With at least two light-emitting components 11,12 interval second distance or there is different focal length and second distance simultaneously；Diffraction
Optical element 14 is used to after the laser beam expanding after at least two lens 151,152 focus on and/or collimate into space to emit
Laser pattern.
Focal length and the incidence of the waist radius and angle of flare and lens of laser after the focusing of lens and/or collimation
Spacing between the light source of laser and lens is related.In the present embodiment laser pass through at least two different focal lengths and/or
Can have at least two to girdle the waist after at least two different at least two lens focus and/or collimation with light-emitting component spacing
The imaging Laser of radius and angle of flare, so as to which the laser pattern for making the Laser emission includes at least two different sizes
Light beam while output power and volume requirement is met, can improve the irrelevance of laser pattern.
Further the irrelevance of laser pattern in Fig. 1 embodiments is illustrated.Referring to Fig.2, Fig. 2 is Fig. 1 embodiments
The schematic diagram of middle laser pattern, it is higher unique that the irrelevance of the laser pattern refers to that its each pattern sub-district 21,22,23 has
Property, this uniqueness includes the uniqueness of shape, size, the arrangement position of laser pattern etc..From figure 2 it can be seen that pattern is sub
The irrelevance in area 21 and 22 is less than the irrelevance of pattern sub-district 21 and 23 or the irrelevance of pattern sub-district 22 and 23.At this
Pattern sub-district is without exhaustion in embodiment, and the pattern sub-district size can be the pixel sizes such as 7x7,11x11, each pattern sub-district
21st, depending on 22,23 size foundation laser-projector is to the specific requirement of the irrelevance of the laser pattern of transmitting.
The focal length of lens is mainly determined by the radius of curvature of the Refractive Index of Material of making lens, air refraction, lens surface
It is fixed.Optionally, at least two can be obtained by setting the radius of curvature of at least two lens 151,152 different in the present embodiment
Kind different focal lengths, certainly, the methods of at least two different lens materials can also be used, obtains at least two different focal lengths.
Optionally, refering to Fig. 3, it can be used that at least two lens 151,152 are arranged at least two is flat in the present embodiment
Row is in the plane 153,154 of substrate 10, to obtain at least two different at least two lens 151,152 and at least two
The second distance that light-emitting component 11,12 is spaced, naturally it is also possible to replace this mode using other set-up modes.
Optionally, the difference of the maxima and minima of at least two different focal lengths is less than the first threshold of setting, with
Ensure image quality.
Optionally, at least two lens 151,152 and at least two light-emitting components 11,12 in a pair one correspondence or
One-to-many correspondence.In general, lens and light-emitting component in a pair more correspondence when, refer to that single lens correspond to
A plurality of light-emitting elements；It can certainly refer to that single light-emitting component corresponds to multiple lens.
Optionally, the maximum value of the second distance of at least two lens 151,152 and at least two light-emitting components 11,12 with
The difference of minimum value is less than the second threshold of setting.The second threshold can be set according to projector design demand.
Refering to Fig. 4, Fig. 2, Fig. 4 is light-emitting component distribution schematic diagram in Fig. 1 embodiments.Optionally, diffraction optical element 14
The laser pattern of transmitting be speckle particle pattern, due to the speckle particle pattern be through have at least two different focal lengths and/or
At least two lens, 151,152 pairs of laser of at least two different second distances being spaced with light-emitting component 11,12 focus on and/
Or collimation and (concrete principle in the above-described embodiments it is stated that) that obtains, therefore, at least have two in the speckle particle pattern
The particle 24,25 of the different different sizes of kind.
Optionally, refering to Fig. 5, based on Fig. 1 embodiments, at least two can be set between substrate 10 and diffraction optical element 14
While a lens 151,152, diffraction optical element 14 backwards to substrate 10 side further set at least two lens 51,
52, at least two lens 51,52 shown in figure are respectively provided at least two different focal lengths, certain at least two lens 51,
52 can also have at least two different third distances between diffraction optical element 14 or have at least two simultaneously
Different focal lengths and third distance.The set-up mode can further improve laser figure while laser-projector integrated level is met
The irrelevance of case.
Optionally, light-emitting component 11,12 is vertical cavity surface emitting laser.Vertical cavity surface emitting laser is a kind of vertical
The new laser of surface light extraction.Compared with traditional edge-emitting laser, the laser light emission direction is vertical with substrate, can be very
It easily realizes the integrated of high density two-dimensional array, realizes higher power output, and since it is compared to edge-emitting lasers
Possess smaller volume, so as to more advantageously be integrated into miniature electric component；The laser and optical fiber simultaneously
Coupling efficiency it is high, without the beam shaping system of complex and expensive, and manufacturing process is compatible with light emitting diode, drops significantly
Low production cost.In addition, the laser that sends out of light-emitting component 11,12 can have different waist radius and/or angle of flare and/
Or wavelength, to further improve the irrelevance of laser pattern.
Refering to Fig. 6 to Fig. 8, optionally, the work of at least two light-emitting components 11,12 of whole control of controller 13 can be used (such as
Shown in Fig. 6).Certainly control at least two light-emitting components 11,12 work (such as Fig. 7 can be also grouped at least two controllers 13,70
It is shown) or individually control at least two controllers 13,70 at least two 11,12 work (as shown in Figure 8).This control
Depending on mode processed can be according to laser-projector design requirement itself or certain functional parameters.
Refering to Fig. 9, in another embodiment, in diffraction optical element 14 backwards to the side of substrate 10 setting at least two
Lens 91,92 (remove at least two lens 151,152 in other component parts of the present embodiment laser-projector and Fig. 1 embodiments
Except other component parts have identical set-up mode and operation principle, narration is not repeated herein), this setup
It can be more advantageous to improving the integrated level of laser-projector, at least two lens 91,92 shown in figure have at least two differences
Focal length, certain at least two lens 91,92 can also have at least two it is different at least two light-emitting components 11,12 it
Between spacing or there is different focal lengths and the spacing between light-emitting component 11,12 simultaneously, to further improve laser figure
The irrelevance of case.
Optionally, it can be used in the present embodiment and at least two lens 91,92 are arranged at least two are parallel to substrate 10
Different Plane on, with obtain at least two different at least two lens 91,92 and at least two light-emitting components 11,12 it
Between spacing, naturally it is also possible to replace this mode using other set-up modes.
Optionally, the difference of the maxima and minima of at least two different focal lengths is less than the first threshold of setting, with
Ensure image quality.
Optionally, at least two lens 91,92 and at least two light-emitting components 11,12 one correspondence or one in a pair
To more correspondences.
Optionally, the maximum value of the second distance of at least two lens 91,92 and at least two light-emitting components 11,12 with most
The difference of small value is less than the second threshold of setting.The second threshold can be set according to projector design demand.
Optionally, Figure 10 is participated in, the laser pattern that diffraction optical element 14 emits is speckle particle pattern, because at least two
A lens 101,102 have at least two different focal lengths and/or at least two different at least two light-emitting components 11,12
Between spacing, therefore, in the speckle particle pattern at least have two different different sizes particle 101,102.
Optionally, light-emitting component 11,12 is vertical cavity surface emitting laser.
Optionally, at least two light-emitting components 11,12 of whole control of controller 13 can be used to work.Certainly at least two also be can be used
A controller grouping or the individually work of at least two light-emitting components 11,12 of control.This control mode can be according to laser-projector
Depending on design requirement itself or certain functional parameters.
The prior art is different from, above-described embodiment laser-projector is sharp to meet using at least two different light-emitting components
The output power and volume requirement of light projector, while by setting at least two lens that there are at least two different focal lengths
And/or with the distance between at least two different lens and light-emitting component cause by the laser of at least two lens with
At least two different waist radius and angle of flare, the laser have extremely by that can emit formation after the expanding of diffraction optical element
The laser pattern of few two kinds of light-emitting areas so as to improve the irrelevance of the laser pattern of laser-projector transmitting, further carries
Its high depth camera obtains the speed and precision of the depth image of the laser pattern.
The prior art is different from, above-described embodiment laser-projector uses vertical cavity surface emitting laser as light source, can
To be easily carried out the integrated of high density two-dimensional array, realize and cause the laser while laser-projector volume is not increased
Projecting apparatus is exported with higher power, and production cost is relatively low, is had more while can also realizing and ensure identical output power
Small volume.
Refering to Figure 11, Figure 11 is one example structure schematic diagram of depth camera of the present invention.
The present embodiment depth camera includes image acquisition device 111, processor 112 and laser-projector 113；
Wherein, laser-projector of the laser-projector 113 for Fig. 1 embodiments or Fig. 9 embodiments, composition and operation principle
Not repeated description herein.
Image acquisition device 111 is mainly used for acquiring the laser pattern projected into object space from laser-projector 113, can
Selection of land, image acquisition device 111 are infrared camera, naturally it is also possible to substitute infrared camera using other image capture devices.
Processor 112 is used for by being handled to obtain depth image to the laser pattern.
Optionally, processor 112 is calculated using image matching algorithm in each pixel of the laser pattern and reference pattern
The each pixel of correspondence deviation value, the depth image of the laser pattern is further obtained according to the deviation value.
Wherein, the image matching algorithm is using related (DIC) algorithm of digital picture.Other images can certainly be used
DIC algorithms are replaced with algorithm.
The prior art is different from, the present embodiment depth camera is based on having at least two differences using image acquisition device acquisition
Focal length and/or at least two different at least two lens with the second distance at light-emitting component interval laser-projector to
The laser pattern projected in object space, the laser pattern are that the laser of at least two light-emitting components transmitting is passed through at least two
After different different at least two lens with light-emitting component spacing of focal length and/or at least two, obtaining has at least two
Different waist radius and the laser of angle of flare are through forming after the expanding of diffraction optical element, therefore the laser pattern has extremely
The pattern of few two kinds of different areas, correlation are higher.The laser pattern is handled to obtain by processor to the laser pattern
Depth image can improve speed and precision that depth camera obtains the laser pattern.
The foregoing is merely embodiments of the present invention, are not intended to limit the scope of the invention, every to utilize this
It is relevant to be directly or indirectly used in other for the equivalent structure or equivalent flow shift that description of the invention and accompanying drawing content are made
Technical field is included within the scope of the present invention.
Claims (10)
1. a kind of laser-projector, which is characterized in that including：
Substrate, at least two light-emitting components, controller, at least two lens and diffraction optical element；
The diffraction optical element be arranged on on the position of first distance of substrate separation；
At least two light-emitting component is fixed on the substrate towards the diffraction optical element side；
At least two lens are set between the substrate and the diffraction optical element；
The light-emitting component emits laser under the control of the controller；
At least two lens are used to focusing on and/or collimating the laser launched by least two light-emitting component, wherein
At least two lens have at least two different focal lengths and/or at least two it is different with described at least two shine member
The second distance at part interval；
The diffraction optical element is used for will be after the laser beam expanding after at least two lens focus and/or collimation to sky
Between middle transmitting laser pattern.
2. laser-projector according to claim 1, which is characterized in that
The difference of maxima and minima in described at least two different focal lengths is less than the first threshold of setting.
3. laser-projector according to claim 1, which is characterized in that
The difference of maxima and minima in described at least two different second distances is less than the second threshold of setting.
4. laser-projector according to claim 1, which is characterized in that further comprise：
Be arranged on the diffraction optical element has at least two different focal lengths and/or at least backwards to the side of the substrate
At least two lens of two different third distances with the diffraction optical element interval.
5. laser-projector according to claim 1, which is characterized in that
The controller carries out at least two light-emitting component individually control, grouping control or entirety and controls.
6. laser-projector according to claim 1, which is characterized in that
At least two lens and at least two light-emitting component in a pair one or one-to-many correspondence.
7. laser-projector according to claim 1, which is characterized in that
The light-emitting component is vertical cavity surface emitting laser.
8. laser-projector according to claim 1, which is characterized in that
The laser pattern of diffraction optical element transmitting is speckle particle pattern, and particle at least has in the speckle particle pattern
There are two types of different sizes.
9. a kind of laser-projector, which is characterized in that including：
Substrate, at least two light-emitting components, controller, at least two lens and diffraction optical element；
The diffraction optical element be arranged on on the position of first distance of substrate separation；
At least two light-emitting component is fixed on the substrate towards the diffraction optical element side；
At least two lens are set to the diffraction optical element backwards to the side of the substrate；
The light-emitting component emits laser under the control of the controller；
The diffraction optical element is used for the laser beam expanding for launching at least two light-emitting component；
The laser that at least two lens are used to focus on and/or collimate after being expanded from the diffraction optical element is sent out into space
Laser pattern is penetrated, wherein at least two lens have at least two different focal lengths and/or at least two different with institute
State the second distance at least two light-emitting component intervals.
10. a kind of depth camera, which is characterized in that including：
Image acquisition units, processor and claim 1 to 9 any one of them laser-projector；
The laser pattern that described image collecting unit is projected for acquisition from the laser-projector into object space；
The processor is used for by being handled to obtain depth image to the laser pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610951201.9A CN106569382B (en) | 2016-10-26 | 2016-10-26 | Laser-projector and its depth camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610951201.9A CN106569382B (en) | 2016-10-26 | 2016-10-26 | Laser-projector and its depth camera |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106569382A CN106569382A (en) | 2017-04-19 |
| CN106569382B true CN106569382B (en) | 2018-07-06 |
Family
ID=58535143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610951201.9A Active CN106569382B (en) | 2016-10-26 | 2016-10-26 | Laser-projector and its depth camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106569382B (en) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972347B (en) * | 2017-05-04 | 2019-04-09 | 深圳奥比中光科技有限公司 | Laser array for 3D imaging |
| CN106990548A (en) * | 2017-05-09 | 2017-07-28 | 深圳奥比中光科技有限公司 | Array laser projection arrangement and depth camera |
| CN106990659A (en) * | 2017-05-09 | 2017-07-28 | 深圳奥比中光科技有限公司 | Laser projection device |
| CN106990660A (en) * | 2017-05-09 | 2017-07-28 | 深圳奥比中光科技有限公司 | Structured light projection module |
| CN107167997A (en) * | 2017-06-05 | 2017-09-15 | 深圳奥比中光科技有限公司 | Laser projection module and depth camera |
| CN107167996A (en) * | 2017-06-05 | 2017-09-15 | 深圳奥比中光科技有限公司 | The laser projection module and depth camera adaptively adjusted |
| KR20210020858A (en) * | 2017-08-28 | 2021-02-24 | 에이엠에스 센서스 싱가포르 피티이. 리미티드. | Structured light projection |
| CN108107661A (en) * | 2018-01-06 | 2018-06-01 | 广东欧珀移动通信有限公司 | Laser emitter, optoelectronic device and depth camera |
| CN108107662A (en) * | 2018-01-06 | 2018-06-01 | 广东欧珀移动通信有限公司 | Laser emitter, optoelectronic device and depth camera |
| WO2019134671A1 (en) * | 2018-01-06 | 2019-07-11 | Oppo广东移动通信有限公司 | Laser emitter, optoelectronic device, and depth camera |
| WO2019134672A1 (en) * | 2018-01-06 | 2019-07-11 | Oppo广东移动通信有限公司 | Laser emitter, optoelectronic device, and depth camera |
| CN108332082B (en) * | 2018-01-15 | 2020-06-30 | 深圳奥比中光科技有限公司 | Lighting module |
| CN108169981A (en) * | 2018-01-15 | 2018-06-15 | 深圳奥比中光科技有限公司 | Multi-functional lighting module |
| CN108333858A (en) * | 2018-01-23 | 2018-07-27 | 广东欧珀移动通信有限公司 | Laser emitter, optoelectronic device, depth camera and electronic device |
| CN108107663A (en) * | 2018-01-23 | 2018-06-01 | 广东欧珀移动通信有限公司 | Laser emitter, optoelectronic device, depth camera and electronic device |
| CN110196527A (en) * | 2018-02-26 | 2019-09-03 | 光宝光电(常州)有限公司 | Miniaturization structure light projection module |
| WO2019174433A1 (en) | 2018-03-12 | 2019-09-19 | Oppo广东移动通信有限公司 | Laser projection module, depth camera, and electronic device |
| CN108490628B (en) * | 2018-03-12 | 2020-01-10 | Oppo广东移动通信有限公司 | Structured light projector, depth camera and electronic device |
| CN108508688B (en) * | 2018-03-12 | 2021-10-19 | Oppo广东移动通信有限公司 | Laser emitter, structured light projection module, depth camera and electronic equipment |
| CN108828786A (en) * | 2018-06-21 | 2018-11-16 | 深圳市光鉴科技有限公司 | A kind of 3D camera |
| US11223816B2 (en) * | 2018-09-26 | 2022-01-11 | Himax Technologies Limited | Multi-image projector and electronic device having multi-image projector |
| CN109643051B (en) * | 2018-11-24 | 2022-03-11 | 深圳阜时科技有限公司 | Light source structure, optical projection module, sensing device and equipment |
| CN111580281B (en) * | 2019-02-15 | 2022-08-23 | 奇景光电股份有限公司 | Optical device |
| CN110850668B (en) * | 2019-10-14 | 2021-04-27 | 嘉兴驭光光电科技有限公司 | Projection apparatus and pattern projection method |
| CN111246073B (en) * | 2020-03-23 | 2022-03-25 | 维沃移动通信有限公司 | Imaging device, method and electronic equipment |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5200349B2 (en) * | 2006-08-31 | 2013-06-05 | ソニー株式会社 | Projection device and image display device |
| WO2012168293A2 (en) * | 2011-06-06 | 2012-12-13 | Seereal Technologies S.A. | Method and device for the layered production of thin volume grid stacks, and beam combiner for a holographic display |
| KR101408295B1 (en) * | 2013-05-31 | 2014-06-17 | (주)린소프트 | Projection device on nonflat screen and method therefor |
| TWM490043U (en) * | 2014-06-19 | 2014-11-11 | Everready Prec Industrial Corp | Projection device capable of projecting multiple patterns |
| CN105929559A (en) * | 2016-06-20 | 2016-09-07 | 深圳奥比中光科技有限公司 | Laser module, laser module preparation method and depth measurement device |
-
2016
- 2016-10-26 CN CN201610951201.9A patent/CN106569382B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106569382A (en) | 2017-04-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106569382B (en) | Laser-projector and its depth camera | |
| CN106568396A (en) | Laser projector and depth camera thereof | |
| TWI716533B (en) | Multi-mode illumination module and related method | |
| CN107357123A (en) | Laser projection device containing Fresnel Lenses | |
| CN104956179B (en) | Using the structural elements of refraction or reflected light from the optical system of array of source generating structure light field | |
| CN106569330B (en) | A kind of design method of optical design, area array projection device and a kind of depth camera | |
| CN108107662A (en) | Laser emitter, optoelectronic device and depth camera | |
| JP2015179245A5 (en) | ||
| CN108107663A (en) | Laser emitter, optoelectronic device, depth camera and electronic device | |
| KR102153045B1 (en) | Wavelength separation device and 3-dimensional image acquisition apparatus including the wavelength separation device | |
| US10386706B2 (en) | Structured-light projector | |
| CN108363267A (en) | The structured light projection module of regular array light source | |
| US10333277B2 (en) | Structure light module using vertical cavity surface emitting laser array | |
| CN109507845B (en) | Structured light projector | |
| CN207216257U (en) | Laser projection device containing Fresnel Lenses | |
| CN109541817A (en) | A kind of project structured light mould group that polarization state is controllable and 3D imaging device | |
| CN106501959A (en) | A kind of face battle array laser-projector and its depth camera | |
| CN108333858A (en) | Laser emitter, optoelectronic device, depth camera and electronic device | |
| CN108107661A (en) | Laser emitter, optoelectronic device and depth camera | |
| CN207780463U (en) | Laser emitter, optoelectronic device and depth camera | |
| TWI719127B (en) | Illumination modules and optoelectronic systems | |
| CN207780462U (en) | Laser emitter, optoelectronic device and depth camera | |
| TWI730243B (en) | Structured-light projector | |
| WO2019134672A1 (en) | Laser emitter, optoelectronic device, and depth camera | |
| JP2023506280A (en) | Transmission unit and LIDAR device with optical homogenizer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518057 Guangdong city of Shenzhen province Nanshan District Hing Road three No. 8 China University of Geosciences research base in building A808 Patentee after: Obi Zhongguang Technology Group Co., Ltd Address before: 518057 Guangdong city of Shenzhen province Nanshan District Hing Road three No. 8 China University of Geosciences research base in building A808 Patentee before: SHENZHEN ORBBEC Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |