CN109613792A - Projection arrangement and its light source and equipment - Google Patents
Projection arrangement and its light source and equipment Download PDFInfo
- Publication number
- CN109613792A CN109613792A CN201811411426.0A CN201811411426A CN109613792A CN 109613792 A CN109613792 A CN 109613792A CN 201811411426 A CN201811411426 A CN 201811411426A CN 109613792 A CN109613792 A CN 109613792A
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- China
- Prior art keywords
- luminescence unit
- macroelement
- projection arrangement
- dimensional pattern
- equipment
- 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.)
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- 238000004020 luminiscence type Methods 0.000 claims abstract description 88
- 238000009826 distribution Methods 0.000 claims abstract description 17
- 230000001788 irregular Effects 0.000 claims abstract description 14
- 230000010076 replication Effects 0.000 claims abstract description 5
- 239000000758 substrate Substances 0.000 claims description 14
- 230000003287 optical effect Effects 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 238000012806 monitoring device Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 11
- 239000011159 matrix material Substances 0.000 description 7
- 238000003384 imaging method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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
- G03B21/2006—Lamp housings characterised by the light source
-
- 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
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2013—Plural light sources
-
- 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
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2033—LED or laser light sources
-
- 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
- G03B21/206—Control of light source other than position or intensity
Abstract
The invention discloses a kind of projection arrangements, including light source comprising multiple for emitting the luminescence unit of light beam, the multiple luminescence unit is arranged in two-dimensional pattern；The two-dimensional pattern is replicated by least two macroelement patterns；Each macroelement corresponds to 10 or 10 or more luminescence units, and the corresponding luminescence unit of the macroelement has irregular distribution.Optics module, the beam replication for emitting luminescence unit is at multiple light beams.The invention also discloses a kind of light source and equipment.Projection arrangement and its light source of the present invention and equipment have preferable user experience.
Description
Technical field
The present invention relates to optical field more particularly to a kind of projection arrangement and its light source and equipment.
Background technique
With technological progress and people's living standard raising, including mobile phone, the electronic equipment including tablet computer etc. has
More high-tech functions, such as: face recognition unlock takes this to obtain better user experience.In order to realize the above functions, if
Standby two dimension or the three-dimensional information for being required to obtain object is to realize that characteristics of objects identifies.
Summary of the invention
The object of the present invention is to provide a kind of projection arrangement for characteristics of objects identification and its light source and equipment.
Of the invention provides a kind of projection arrangement, including light source comprising multiple for emitting the luminescence unit of light beam, institute
It states multiple luminescence units and is arranged in two-dimensional pattern；The two-dimensional pattern is replicated by least two macroelement patterns；It is each macro
Unit corresponds to 10 or 10 or more luminescence units, and the corresponding luminescence unit of the macroelement has irregular distribution；Light
Mould group is learned, the beam replication for emitting luminescence unit is at multiple light beams.
Optionally, it includes the corresponding luminescence unit of the macroelement that the luminescence unit of the macroelement, which has irregular distribution,
Two-dimensional pattern be not the period and be not symmetrical or there is no correlation.
Optionally, the macroelement in the two-dimensional pattern of the luminescence unit is replicated according to grid, or not according to net
Lattice are replicated, or are extended according to grid.
Optionally, the luminescence unit includes VCSEL or one or more of LED or LD, and the luminescence unit
Share a substrate.
Optionally, the optics module includes diffraction optical element and/or lens, and the lens are collimation camera lens.
Optionally, the projection arrangement further includes substrate, and the luminescence unit is arranged on the substrate of the substrate, optics
Luminescence unit described in mould group face is arranged on the substrate.
The present invention also provides a kind of light sources, including multiple for emitting the luminescence unit of light beam, the multiple luminescence unit
It is arranged in two-dimensional pattern；The two-dimensional pattern is replicated by least two macroelement patterns；Each macroelement it is corresponding 10 or
10 or more luminescence units, and the corresponding luminescence unit of the macroelement has irregular distribution.
The present invention also provides a kind of equipment, including projection arrangement and reception device, the projection device has spot
On the light beam to external object of pattern, at least partly light beam of external object reflection is simultaneously received, the throwing by the reception device
Image device includes multiple luminescence units, and the multiple luminescence unit replicates with 2 or multiple macroelements or extend two formed
Pattern is tieed up, each macroelement corresponds to 10 or 10 or more luminescence units, and the corresponding luminescence unit of the macroelement has
Irregular distribution.
Optionally, the equipment further includes accommodating the main body of the projection arrangement and reception device, and the main body includes place
Device is managed, the processor can obtain the two-dimensional signal or depth information of object according to the light beam that reception device receives.
Optionally, the equipment is mobile phone, tablet computer, laptop, monitoring device, mobile unit, smart home
One of equipment.
Compared to the prior art, projection arrangement of the present invention and equipment can be used in characteristics of objects identification, have preferable use
Family experience.
Detailed description of the invention
Fig. 1 is the schematic diagram of one embodiment of projection arrangement of the present invention；
Fig. 2 is the schematic diagram of one embodiment of projection arrangement of the present invention；
Fig. 3 is the schematic diagram of one embodiment of projection arrangement of the present invention；
Fig. 4 is the schematic diagram of one embodiment of projection arrangement of the present invention；
Fig. 5 is the schematic diagram of one embodiment of projection arrangement of the present invention；
Fig. 6 is the schematic diagram of one embodiment of projection arrangement of the present invention；
Fig. 7 is the speckle patterns schematic diagram that the projection device of Fig. 6 is formed；
Fig. 8 is the schematic diagram of one embodiment of projection arrangement of the present invention；
Fig. 9 is the schematic diagram of one embodiment of projection arrangement of the present invention；
Figure 10 is the schematic diagram of one embodiment of projection arrangement of the present invention；
Figure 11 is the schematic diagram of one embodiment of present device.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, projection arrangement 10 includes light source 20 and optics module 30 in one embodiment of the present of invention.It is described
Light source 20 transmits a light beam to the optics module 30, and the light beam can be irradiated to outside after 30 optimization processing of optics module
On object, such as it is irradiated on face.In the present embodiment, the light beam can be infrared light.In other embodiments of the invention, institute
The light beam for stating the transmitting of light source 20 can be visible light, ultraviolet light, electromagnetic wave, sound wave, one of ultrasonic wave or a variety of.
Generally there are also at least one reception devices to cooperate the projection arrangement 10, for receiving at least partly by external right
As the light beam of reflection, to obtain the depth information of external object.
The light source 20 includes multiple luminescence units 21, and the arranged distribution of the multiple luminescence unit 21 can be described as shining again
The array of unit 21.The luminescence unit 21 may include LED (Light Emitting Diode), VCSEL (Vertical
Cavity Surface Emitting Laser, vertical cavity surface emitting laser) or one of LD (Laser Diode) or
It is several.
In some embodiments of the present invention, the projective module group 10 further includes substrate 22, and the luminescence unit 21 is in the period
Two-dimensional pattern be distributed on the substrate of the substrate 22.The optics module 30 is arranged on the bed course of the substrate 22, institute
The multiple luminescence units 21 for stating light source 20 described in 30 face of optics module are arranged.The multiple luminescence unit 21 shares a lining
Bottom.
There are the multiple luminescence unit 21 two or more macroelements to replicate or extend the two-dimensional pattern formed, Mei Yihong
Unit corresponds to 10 or 10 or more luminescence units, and the corresponding luminescence unit of the macroelement has irregular distribution；Light
Mould group is learned, the beam replication for emitting luminescence unit is at multiple light beams.Correspondingly, the light beam that the light source 20 emits has
With the corresponding two-dimensional pattern of the multiple luminescence unit 21.
Wherein, the luminescence unit of the macroelement, which has to be randomly distributed, includes but is not limited to: the macroelement is corresponding
The two-dimensional pattern of luminescence unit is not the period and is not symmetrical, or does not have correlation.
The optics module 30 may include diffraction optical element (DOE, Diffraction Optical Element).This
Invent in some embodiments, the optics module 30 further include the lens being arranged between diffraction optical element and light source 20 or thoroughly
Microscope group.The optics module 30 can be used for the light beam that the light source 20 emits being split processing, i.e., replicates incident beam
And it is extended to multiple light beams.Regard each luminescence unit 21 as point light source, beam emitted is replicated by the optics module 30
At multiple hot spots, then the two-dimensional pattern that the multiple luminescence unit 21 has can be copied by light by the optics module 30
Multiple corresponding patterns of spot composition.Referring to Fig. 2, the optics module 30 includes in a change embodiment of the invention
Diffraction optical element 31 and lens 32.The lens 32 can be convex lens or concavees lens, can be used for being converging or diverging with light
Beam.The diffraction optical element 31 is used for multiple beam replications that light source 30 emits and projects.A change of the invention is real
It applies in example, the lens 32 are collimation camera lenses.
Referring to Fig. 3, the two-dimensional pattern that the multiple luminescence unit 21 is formed is by one in one embodiment of the present of invention
Macroelement replicates 9 formation by 3X3 matrix (as dotted line divides region).Wherein, each macroelement is distributed with 12 irregularly
The luminescence unit 21 of distribution.
Referring to Fig. 4, the two-dimensional pattern that the multiple luminescence unit 21 is formed is by one in one embodiment of the present of invention
Macroelement replicates 7 formation by hexagonal mesh (as dotted line divides region).Wherein, each macroelement is distributed with 15 not
The luminescence unit 21 of regular distribution.
Referring to Fig. 5, the two-dimensional pattern that the multiple luminescence unit 21 is formed is by one in one embodiment of the present of invention
Macroelement replicates 15 formation by 3X5 matrix (as dotted line divides region).Wherein, each macroelement is distributed with 15 irregularly
The luminescence unit 21 of distribution.
Referring to Fig. 6, the two-dimensional pattern that the multiple luminescence unit 21 is formed is by one in one embodiment of the present of invention
Macroelement replicates 2 formation by 2X1 matrix (as dotted line divides region).Wherein, each macroelement is distributed with about 60 not
The luminescence unit 21 of regular distribution.
Referring to Fig. 7, being the array beam emitted of luminescence unit 21 shown in Fig. 6 after optics module 30 is replicated and projected
The speckle patterns of formation, wherein each small circle represents a spot.Above-mentioned speckle patterns are also referred to as tied sometimes
Structure light pattern or flood light pattern.In the described embodiment, the optics module 30 includes diffraction optical element, the diffraction optics
Element replicates the array that the luminescence unit 21 is formed according to 3X3 matrix (grid as shown by the solid line), each minor matrix
The two-dimensional pattern that box and the multiple luminescence unit 21 are formed is corresponding.
The speckle patterns are irradiated in external object, and be received device receive after, image processor can pass through meter
It calculates the corresponding local displacement of light beam of each spot and obtains corresponding depth coordinate at the spot using triangulation, to obtain
Take the depth information of external object.
In the above-mentioned and other change embodiment of the present invention, it is multiple that the macroelement can carry out the period according to matrix or grid
System, can not also be replicated according to matrix or grid, such as can be randomness duplication or irregular duplication.
Referring to Fig. 8, the two-dimensional pattern that the multiple luminescence unit 21 is formed is by one in one embodiment of the present of invention
Macroelement randomness replicates 6 times (as dotted line divides region) and is formed.Wherein, 15 irregular distributions are distributed in each macroelement
Luminescence unit 21.
Referring to Fig. 9, the two-dimensional pattern of the multiple luminescence unit 21 is by a macro list in one embodiment of the present of invention
Member extends 10 formation according to hexagonal mesh (as dotted line divides region), what each macroelement was randomly distributed by 18
Luminescence unit 21 is constituted.
Referring to Fig. 10, the two-dimensional pattern of the multiple luminescence unit 21 is macro by one in one embodiment of the present of invention
Unit is formed according to octagon Mesh expansion 16 times, and the luminescence unit 21 that each macroelement is randomly distributed by 10 is constituted.
It is right in obtained two-dimensional pattern after the macroelement carries out duplication operation in the above-mentioned and other embodiment of the present invention
The number for the luminescence unit 21 answered may be considered the number of the luminescence unit 21 in a macroelement according to number of copy times
Superposition.After the macroelement is extended operation, the number of corresponding luminescence unit 21 be can consider in obtained two-dimensional pattern
It is the superposition according to extension number of the number of the luminescence unit 21 in a macroelement, then subtracts the hair on grid node
The part that light unit 21 computes repeatedly.That is, the position for having part luminescence unit 21 in expansion process is overlapped.
The present invention also provides a kind of light sources, including multiple for emitting the luminescence unit of light beam, the multiple luminescence unit
It is arranged in two-dimensional pattern；The two-dimensional pattern is replicated by least two macroelement patterns；Each macroelement it is corresponding 10 or
10 or more luminescence units, and the corresponding luminescence unit of the macroelement has irregular distribution.
The present invention also provides a kind of equipment comprising above-mentioned projection arrangement 10, the equipment are such as, but not limited to mobile phone, put down
Plate computer, laptop, monitoring device, mobile unit, the equipment that smart home device etc. has 3D Object identifying function.
Please refer to Figure 11, in one embodiment of the present of invention, equipment 100 includes projection arrangement 101,102 and of reception device
Accommodate the main body 103 of the projection arrangement 101 and reception device 102.The projection of projection arrangement 101 has the light of speckle patterns
On beam to external object, at least partly light beam of external object reflection is simultaneously received by the reception device 102.The projection arrangement
101 and projection arrangement 10 have same structure.The projection arrangement 101 includes multiple luminescence units, the multiple hair
There are light unit two or more macroelements to replicate or extend the two-dimensional pattern formed.The projection arrangement 101 can project tool
On the light beam to external object for having the speckle patterns of the two-dimensional pattern of multiple correspondences luminescence unit.Each macroelement pair
10 or 10 or more luminescence units are answered, and the corresponding luminescence unit of the macroelement has irregular distribution.
The main body 103 further includes processor, and the processor can be obtained according to the light beam that reception device 102 receives
Take the two-dimensional signal or depth information of object.For example, processor can pass through the corresponding local position of light beam of each spot of calculating
It moves and obtains corresponding depth coordinate at the spot using triangulation, to obtain the depth information of object.
The light beam can be infrared light, ultraviolet light or visible light.In the present embodiment by taking infrared light as an example, the reception dress
Setting 102 includes infrared sensor, and the projection arrangement 101 includes multiple VCSEL.The main body further includes processor, the place
Reason device can obtain the depth information of object according to the infrared light received.In some embodiments, the main body 103 further includes showing
Display screen and camera, the display screen can be used for showing that picture, the camera can be used for taking pictures or imaging.
In the present embodiment, the equipment 100 obtains the depth information of object using 3D structure light, and the three-dimensional for carrying out object is special
Sign identification or 3-D image are drawn.In other embodiments of the invention, the equipment 100 includes that two or multiple receptions fill
102 are set, according to the light beam that two or more described reception devices 102 receive, the equipment 100 can be according to binocular imaging original
It manages the 3-D image of rendered object and obtains the depth information of object.
In other embodiments of the invention, the projection arrangement 10 and equipment 100 are also used as two dimensional image drafting
Or two-dimensional object feature identification.
Compared to the prior art, projection arrangement of the present invention and equipment can obtain subject depth information, and rendered object is three-dimensional
Image has preferable user experience.In addition, projection arrangement of the present invention and the light source of equipment have at least two macroelement compositions
Pattern, thus have better illumination intensity, preferable identification accuracy.
In description of the invention, it should be noted that similar label and letter indicate similar terms in following attached drawing,
Therefore, once being defined in a certain Xiang Yi attached drawing, then do not need to carry out it in subsequent attached drawing further to define and
It explains.In description of the invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ", " peace
Dress ", " connection " etc. shall be understood in a broad sense, for example, it may be fixed setting, is also possible to detachably be arranged, or be integrally provided.
For the ordinary skill in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Term used in claims, which should not be construed as to invent, is limited to this explanation
Specific embodiment disclosed in book.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of projection arrangement, comprising:
Light source comprising multiple for emitting the luminescence unit of light beam, the multiple luminescence unit is arranged in two-dimensional pattern；It is described
Two-dimensional pattern is replicated by least two macroelement patterns；Each macroelement corresponds to 10 or 10 or more luminescence units,
And the corresponding luminescence unit of the macroelement has irregular distribution；
Optics module, the beam replication for emitting luminescence unit is at multiple light beams.
2. projection arrangement according to claim 1, which is characterized in that the luminescence unit of the macroelement has irregular point
Cloth includes that the two-dimensional pattern of the corresponding luminescence unit of the macroelement is not the period and is not symmetrical, or is not to have correlation
Property.
3. projection arrangement according to claim 2, which is characterized in that the macroelement in the two-dimensional pattern of the luminescence unit
It is replicated according to grid, do not replicated according to grid perhaps or is extended according to grid.
4. projection arrangement according to claim 2, which is characterized in that the luminescence unit includes VCSEL or LED or LD
One or more of, and the luminescence unit shares a substrate.
5. projection arrangement according to claim 2, which is characterized in that the optics module include diffraction optical element and/
Or lens, the lens are collimation camera lens.
6. projection arrangement according to claim 2, which is characterized in that the projection arrangement further includes substrate, described to shine
Unit is arranged on the substrate of the substrate, and luminescence unit described in optics module face is arranged on the substrate bed course.
7. a kind of light source, including multiple for emitting the luminescence unit of light beam, the multiple luminescence unit is arranged in two-dimensional pattern；
The two-dimensional pattern is replicated by least two macroelement patterns；Each macroelement corresponds to 10 or 10 or more luminous lists
Member, and the corresponding luminescence unit of the macroelement has irregular distribution.
8. a kind of equipment, including projection arrangement and reception device, the projection device has the light beam of speckle patterns outside
On portion's object, at least partly light beam of external object reflection is simultaneously received by the reception device, and the projection arrangement includes multiple
Luminescence unit, the multiple luminescence unit have the two-dimensional pattern of 2 or the duplication of multiple macroelements or extension formation, each macro list
Member corresponds to 10 or 10 or more luminescence units, and the corresponding luminescence unit of the macroelement has irregular distribution.
9. equipment according to claim 8, which is characterized in that the equipment further includes accommodating the projection arrangement and reception
The main body of device, the main body include processor, and the processor can obtain object according to the light beam that reception device receives
Two-dimensional signal or depth information.
10. equipment according to claim 8, which is characterized in that the equipment is mobile phone, tablet computer, laptop,
Monitoring device, mobile unit, one of smart home device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811411426.0A CN109613792A (en) | 2018-11-24 | 2018-11-24 | Projection arrangement and its light source and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811411426.0A CN109613792A (en) | 2018-11-24 | 2018-11-24 | Projection arrangement and its light source and equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109613792A true CN109613792A (en) | 2019-04-12 |
Family
ID=66005039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811411426.0A Withdrawn CN109613792A (en) | 2018-11-24 | 2018-11-24 | Projection arrangement and its light source and equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109613792A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021087998A1 (en) * | 2019-11-08 | 2021-05-14 | 南昌欧菲生物识别技术有限公司 | Light emitting module, depth camera and electronic device |
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| US20130038881A1 (en) * | 2011-08-09 | 2013-02-14 | Primesense Ltd. | Projectors of Structured Light |
| CN107026392A (en) * | 2017-05-15 | 2017-08-08 | 深圳奥比中光科技有限公司 | Vcsel array light source |
| CN107450190A (en) * | 2017-09-08 | 2017-12-08 | 深圳奥比中光科技有限公司 | A kind of diffraction optical element and compound method |
| CN108169981A (en) * | 2018-01-15 | 2018-06-15 | 深圳奥比中光科技有限公司 | Multi-functional lighting module |
| CN207586618U (en) * | 2017-10-25 | 2018-07-06 | 深圳奥比中光科技有限公司 | Combination pattern projection arrangement and depth camera |
| CN108388071A (en) * | 2018-02-07 | 2018-08-10 | 深圳奥比中光科技有限公司 | Depth camera and its projection module |
| CN209690704U (en) * | 2018-11-24 | 2019-11-26 | 深圳阜时科技有限公司 | Projection arrangement and its light source and equipment |
-
2018
- 2018-11-24 CN CN201811411426.0A patent/CN109613792A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130038881A1 (en) * | 2011-08-09 | 2013-02-14 | Primesense Ltd. | Projectors of Structured Light |
| CN107026392A (en) * | 2017-05-15 | 2017-08-08 | 深圳奥比中光科技有限公司 | Vcsel array light source |
| CN107450190A (en) * | 2017-09-08 | 2017-12-08 | 深圳奥比中光科技有限公司 | A kind of diffraction optical element and compound method |
| CN207586618U (en) * | 2017-10-25 | 2018-07-06 | 深圳奥比中光科技有限公司 | Combination pattern projection arrangement and depth camera |
| CN108169981A (en) * | 2018-01-15 | 2018-06-15 | 深圳奥比中光科技有限公司 | Multi-functional lighting module |
| CN108388071A (en) * | 2018-02-07 | 2018-08-10 | 深圳奥比中光科技有限公司 | Depth camera and its projection module |
| CN209690704U (en) * | 2018-11-24 | 2019-11-26 | 深圳阜时科技有限公司 | Projection arrangement and its light source and equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021087998A1 (en) * | 2019-11-08 | 2021-05-14 | 南昌欧菲生物识别技术有限公司 | Light emitting module, depth camera and electronic device |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190412 |
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| WW01 | Invention patent application withdrawn after publication |