CN209167624U - Laser projecting apparatus, depth securing component and electronic device - Google Patents
Laser projecting apparatus, depth securing component and electronic device Download PDFInfo
- Publication number
- CN209167624U CN209167624U CN201821861337.1U CN201821861337U CN209167624U CN 209167624 U CN209167624 U CN 209167624U CN 201821861337 U CN201821861337 U CN 201821861337U CN 209167624 U CN209167624 U CN 209167624U
- Authority
- CN
- China
- Prior art keywords
- blocking portion
- supporting part
- optical element
- face
- body part
- 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.)
- Expired - Fee Related
Links
Landscapes
- Lens Barrels (AREA)
Abstract
The utility model discloses a kind of laser projecting apparatus, depth securing component and electronic device.Laser projecting apparatus includes light source, substrate, lens barrel and optical element.Light source is for emitting laser；Substrate is for carrying light source；Lens barrel includes the supporting part of side wall and the center extension from the inside of side wall towards lens barrel；Optical element includes body part, optical section and blocking portion, and optical section and blocking portion are arranged at intervals on the same side of body part, and blocking portion extends from body part, and when optical element is carried on supporting part, blocking portion and supporting part are contradicted；Optical element is used to expand or spread the laser of light source transmitting.The mode directly contradicted with supporting part compared to body part in routine techniques, glue between optical element and supporting part can penetrate into for optical section along body part, the blocking portion and supporting part of the utility model contradict, optical section is farther away from supporting part, therefore the glue between optical element and supporting part does not penetrate into optical section, and optical section can work normally.
Description
Technical field
The utility model relates to camera lens correlative technology fields, more specifically, are related to a kind of laser projecting apparatus, depth obtains
Component and electronic device.
Background technique
Optical element, such as diffraction optical element (Diffractive Optical Elements, DOE), exposure mask
(Mask), diffuser (Diffuser) etc., is provided with fine optical microstructures, and optical microstructures can be used for expanding or expanding
Dissipate the laser of light source transmitting in laser projecting apparatus.However, optical element is usually the mirror for passing through glue and laser projecting apparatus being arranged in
On cylinder, when optical element and lens barrel pressing, the glue between optical element and lens barrel is easily infiltrated on optical microstructures, shadow
Sound optical microstructures expand or spread laser.
Utility model content
The utility model embodiment provides a kind of laser projecting apparatus, depth securing component and electronic device.
The laser projecting apparatus of the utility model embodiment includes light source, substrate, lens barrel and optical element.Light source is for sending out
Penetrate laser；Substrate is for carrying the light source；The lens barrel include side wall and from the inside of the side wall towards the lens barrel
The supporting part that center extends；The lens barrel is around the light source and is set on the substrate；The optical element includes ontology
Portion, optical section and blocking portion, the optical section and the blocking portion are arranged at intervals on the same side of the body part, the blocking
Portion extends from the body part, and when the optical element is carried on the supporting part, the blocking portion is supported with the supporting part
Touching；The optical element is used to expand or spread the laser of the light source transmitting.
The blocking extended from body part is provided in the laser projecting apparatus of the utility model embodiment, on optical element
The same side of body part, when optical element is carried on the supporting part of lens barrel, blocking portion is arranged in portion, blocking portion and optical section
It is contradicted with supporting part.Compared to the mode that body part in routine techniques is directly contradicted with supporting part, optical element and supporting part it
Between glue can penetrate into optical section along body part for, the blocking portion of the utility model embodiment and supporting part contradict, light
The department of the Chinese Academy of Sciences is farther away from supporting part, and therefore, the glue between optical element and supporting part does not penetrate on optical section, optical section energy
It is enough to work normally.
In some embodiments, one end of the body part, the body part and the resistance is arranged in the blocking portion
The joint of stopper forms the first cascaded surface and the second cascaded surface, and first cascaded surface and second cascaded surface are by the resistance
The side where first cascaded surface, the body part, the blocking portion and institute is arranged in stopper interval, the optical section
Appearance glue space is collectively formed in the side where second cascaded surface in the medial surface for stating side wall.
When optical element to be installed on lens barrel, glue can be contained in glue space, and in the resistance of blocking portion
Under gear, glue will not enter the side where optical section, ensure that optical section can work normally.In addition, glue sky is held in setting
Between can also increase glue area between lens barrel and optical element so that the combination of lens barrel and optical element is more firm.
In some embodiments, the body part further includes opposite with first cascaded surface and second cascaded surface
Light-emitting surface, the first cascaded surface second cascaded surface is closer to the light-emitting surface.
When blocking portion and supporting part contradict, the first cascaded surface is farther away from loading end, and optical section is also farther away from carrying
Portion, therefore, the glue between optical section and supporting part do not penetrate on optical section more, and optical section can work normally.
In some embodiments, second cascaded surface opens up excessive glue groove, and the excessive glue groove is the side of the body part
The notch of edge or the excessive glue groove are the groove on the body part.
Glue between optical element and lens barrel can be contained in excessive glue groove, and glue will not flow to one where optical section
Side, and under the blocking of blocking portion, glue will not flow on optical section, and optical section can work normally.
In some embodiments, the supporting part includes loading end, and the loading end is recessed inwardly to form glue groove, institute
Stating blocking portion includes faying face, and the faying face is in conjunction with the loading end.
Glue between optical element and lens barrel can be contained in glue groove, and glue will not flow to one where optical section
Side, and under the blocking of blocking portion, glue will not flow on optical section, and optical section can work normally.
In some embodiments, the supporting part includes loading end, and the loading end is recessed inwardly to form glue groove, institute
Stating blocking portion includes faying face, and the blocking portion protrudes into the glue groove, the loading end in conjunction with first cascaded surface,
The faying face is in conjunction with the bottom surface of the glue groove.
Glue between optical element and lens barrel can be contained in glue groove, and glue will not flow to one where optical section
Side, and under the blocking of the side wall of glue groove (supporting part), glue will not flow on optical section, and optical section being capable of normal work
Make.In addition, setting glue groove also increases the glue area of optical element and lens barrel, so that the combination of optical element and lens barrel is more
It is firm to add.
In some embodiments, one end of the body part, the body part and the resistance is arranged in the blocking portion
The joint of stopper forms the first cascaded surface, and the side where first cascaded surface, the carrying is arranged in the optical section
Portion includes loading end, and the blocking portion includes faying face, and the medial surface of the side wall is in conjunction with the lateral surface of the blocking portion, institute
Loading end is stated in conjunction with the faying face.
Side when optical element to be mounted on lens barrel, compared to body part in routine techniques directly with supporting part conflict
Formula, for the glue between optical element and supporting part can penetrate into optical section along body part, the utility model embodiment
Blocking portion and supporting part contradict, and the first cascaded surface and loading end relative spacing, optical section is farther away from supporting part, therefore, optics
Glue between element and supporting part does not penetrate on optical section, and optical section can work normally.In addition, compared to only holding
Embodiment of the section in conjunction with faying face, side wall medial surface in conjunction with the lateral surface of blocking portion and loading end and faying face
In conjunction with embodiment in, the glue area between optical element and lens barrel is larger, and the combination of optical element and lens barrel is more firm
It leans on.
In some embodiments, the optical element includes diffraction optical element, and the optical section includes the micro- knot of diffraction
Structure, the diffraction micro structural is for expanding laser.
Compared to the mode that body part in routine techniques is directly contradicted with supporting part, between diffraction optical element and supporting part
Glue can penetrate into diffraction micro structural along body part for, the blocking portion of the utility model embodiment and supporting part contradict,
Diffraction micro structural is farther away from supporting part, and therefore, it is micro- that the glue between diffraction optical element and supporting part does not penetrate into diffraction
In structure, diffraction micro structural can be worked normally.
In some embodiments, the optical element includes diffuser, and the optical section includes microlens array, described
Microlens array is used for spread laser.
Glue compared to the mode that body part in routine techniques is directly contradicted with supporting part, between diffuser and supporting part
For microlens array being penetrated into along body part, the blocking portion and supporting part of the utility model embodiment are contradicted, lenticule
Array is farther away from supporting part, and therefore, the glue between diffuser and supporting part does not penetrate on microlens array, lenticule
Array can work normally.
In some embodiments, the side wall includes opposite the first face and the second face, described in the first face connection
The medial surface and lateral surface of side wall, the first face second face closer to the loading end, second face with it is described
Substrate combines, and the supporting part includes the back side opposite with the loading end, and the back side is flushed with second face.
The back side is flushed with the second face, that is, only need to offer a groove in the first face to form supporting part, compared to
It is opened up on first face and the second face fluted come for forming supporting part, the processing of the laser projecting apparatus is simpler, manufacture
It is easy.
In some embodiments, the laser projecting apparatus further includes substrate, the side wall include opposite the first face and
Second face, first face connect the medial surface and lateral surface of the side wall, and the first face second face is closer to institute
Loading end is stated, in conjunction with the substrate, the supporting part includes the back side opposite with the loading end, the back in second face
Face, the medial surface of the side wall and second face form cascaded surface.
When the back side, the medial surface of side wall and the second face form cascaded surface, supporting part is only to be located at the first face and the second face
Between part-structure, the lighter in weight of lens barrel is conducive to the lightening of laser projecting apparatus.
The depth securing component of the utility model embodiment includes laser projecting apparatus described in any of the above-described embodiment
And camera mould group.The laser projecting apparatus is used to emit laser to target object；The camera mould group is for acquiring through the mesh
Laser after marking object reflection.
In the depth securing component of the utility model embodiment, it is provided on the optical element of laser projecting apparatus from ontology
The same side of body part is arranged in the blocking portion that portion extends, blocking portion and optical section, when optical element is carried on the carrying of lens barrel
When in portion, blocking portion and supporting part are contradicted.Compared to the mode that body part in routine techniques is directly contradicted with supporting part, optics member
For glue between part and supporting part can penetrate into optical section along body part, the blocking portion of the utility model embodiment with hold
Load portion contradicts, and optical section is farther away from supporting part, and therefore, the glue between optical element and supporting part does not penetrate into optical section
On, optical section can work normally.
The electronic device of the utility model embodiment includes camera mould group described in shell and above embodiment.It is described
Camera mould group is arranged on the housing.
In the electronic device of the utility model embodiment, it is provided on the optical element of laser projecting apparatus from body part and prolongs
The same side of body part is arranged in the blocking portion stretched, blocking portion and optical section, when on the supporting part that optical element is carried on lens barrel
When, blocking portion and supporting part contradict.Compared to body part in routine techniques directly with supporting part contradict mode, optical element with
For glue between supporting part can penetrate into optical section along body part, the blocking portion and supporting part of the utility model embodiment
It contradicting, optical section is farther away from supporting part, and therefore, the glue between optical element and supporting part does not penetrate on optical section,
Optical section can work normally.
The additional aspect and advantage of the embodiments of the present invention will be set forth in part in the description, partially will be from
Become obvious in following description, or is recognized by the practice of the embodiments of the present invention.
Detailed description of the invention
In description of the above-mentioned and/or additional aspect and advantage of the utility model from combination following accompanying drawings to embodiment
It will be apparent and be readily appreciated that, in which:
Fig. 1 is the structural schematic diagram of the laser projecting apparatus of the utility model embodiment；
Fig. 2 is enlarged diagram at the II of the laser projecting apparatus in Fig. 1；
Fig. 3 to Fig. 7 is the partial structure diagram of the laser projecting apparatus of the utility model other embodiments；
Fig. 8 to Fig. 9 is the structural schematic diagram of the laser projecting apparatus of the utility model other embodiments；
Figure 10 is the structural schematic diagram of the depth securing component of the utility model embodiment；And
Figure 11 is the structural schematic diagram of the electronic device of the utility model embodiment.
Specific embodiment
The embodiments of the present invention is described further below in conjunction with attached drawing.Same or similar label in attached drawing
Same or similar element or element with the same or similar functions are indicated from beginning to end.
In addition, the embodiments of the present invention described with reference to the accompanying drawing is exemplary, it is only used for explaining this reality
With novel embodiment, and should not be understood as limiting the present invention.
Also referring to Fig. 1 and Fig. 2, the laser projecting apparatus 100 of the utility model embodiment includes substrate 11, lens barrel
12, light source 13 and optical element 14.
Substrate 11 can be used for carrying lens barrel 12 and light source 13.Specifically, substrate 11 includes mounting surface 111, lens barrel 12 and light
Source 13 is arranged on mounting surface 111.Substrate 11 can be in flexible circuit board, hard circuit board or rigid-flexible circuit board extremely
Few one kind.
Lens barrel 12 is around light source 13 and is set on substrate 11.The mode that lens barrel 12 is combined with substrate 11 include screw togather, glue
Close, engage etc..Accommodating space 121 is collectively formed in lens barrel 12 and substrate 11.It is empty that light source 13 and optical element 14 are housed in receiving
Between in 121.Specifically, lens barrel 12 includes side wall 122 and supporting part 123.
Side wall 122 is cylindrical in shape.Side wall 122 includes opposite medial surface 1221 and lateral surface 1222,1221 direction of medial surface
Accommodating space 121.Side wall 122 further includes opposite the first face 1223 and the second face 1224, and the first face 1223 connects medial surface
1221 and lateral surface 1222, the second face 1224 combined with the mounting surface 111 of substrate 11.
Supporting part 123 extends from the medial surface 1221 of side wall 122 to the center of lens barrel 12.Supporting part 123 can be setting
Continuous cyclic structure on medial surface 1221.The quantity of supporting part 123 may be it is multiple, multiple supporting parts 123 are mutually
On interval setting medial surface 1221, such as three supporting parts 123 are arranged at intervals on medial surface 1221, two neighboring supporting part
123 to be formed by angle with the center of lens barrel 12 be 120 degree.Supporting part 123 includes loading end 1231, and loading end 1231 can
For carrying optical element 14.First face 1223 is compared with the second face 1224 closer to loading end 1231.Loading end 1231, side wall 122
Medial surface 1221 and the first face 1223 formed cascaded surface, when optical element 14 is carried on supporting part 123, optical element
14 are housed in accommodating space 121.
Light source 13 is used to emit laser to target object.Light source 13 can be set on mounting surface 111, and light source 13 can lead to
The base plate line of setting on the substrate 11 is crossed to be electrically connected with external circuit (such as mainboard of the electronic device 1000 in Figure 11),
The laser intensity that light source 13 emits can be controlled by external circuit.In one example, light source 13 is vertical cavity surface-emitting laser
Device (Vertical-Cavity Surface-Emitting Laser, VCSEL).In another example, light source 13 can be with
For edge-emitting lasers (for example, distributed feedback laser (Distributed Feedback Laser, DFB)).
Optical element 14 is carried on supporting part 123 and corresponding with light source 13, and optical element 14 is for expanding or spread light
The laser that source 13 emits.Specifically, optical element 14 includes body part 141, optical section 142 and blocking portion 143.
Body part 141 is arranged in towards the side of light source 13 in optical section 142, and optical section 142 is corresponding with light source 13 and can
Expand or spread the laser of the transmitting of light source 13.The material of body part 141 can be identical as the material of optical section 142, such as
It is made for glass or composite plastic (such as PET).The material of body part 141 can also be different from the material of optical section 142, such as
Body part 141 is made of glass, and optical section 142 is adopted made of plastic.
Optical section 142 and blocking portion 143 are arranged at intervals on the same side of body part 141.Blocking portion 143 is from body part 141
The protrusion that extension, i.e. blocking portion 143 are the side towards light source 13 being arranged on body part 141.When optical element 14 carries
When on the supporting part 123 of lens barrel 12, blocking portion 143 and supporting part 123 are contradicted.Compared to body part in routine techniques directly with
The mode that supporting part contradicts, for the glue between optical element and supporting part can penetrate into optical section along body part, this is practical
The blocking portion 143 of novel embodiment and supporting part 123 contradict, and optical section 142 is farther away from supporting part 123, therefore, by light
When element 14 is installed on lens barrel 12, the glue between optical element 14 and supporting part 123 does not penetrate into optical section 142
On, optical section 142 can normally expand or spread the laser of the transmitting of light source 13.
In one example, body part 141, optical section 142 and blocking portion 143 are integrally formed.For example, by using nanometer pressure
Print technology manufactures optical element 14, specifically, first by the optical element material of molten and with the making ide of micro-nano structure
Plate fits closely, then the optical material of solidification of molten shape, then separates template and optical element material, finally carries out subsequent
Processing just obtains body part 141, optical section 142 and the integrally formed optical element 14 of blocking portion 143.In this way, compared to routine
Etching forms the optical element of optical section on substrate in technology, by using nanometer embossing, the optics of the utility model
The parameter (such as size of the shape of optical element 14, optical section 142) of element 14 is available to be efficiently controlled, to manufacture
The more complicated optical element 14 of parameter out.
To sum up, it in the laser projecting apparatus 10 of the utility model embodiment, is provided on optical element 14 from body part 141
The same side of body part 141 is arranged in the blocking portion 143 of extension, blocking portion 143 and optical section 142, when optical element 14 carries
When on the supporting part 123 of lens barrel 12, blocking portion 143 and supporting part 123 are contradicted.Compared to body part in routine techniques directly with
The mode that supporting part contradicts, for the glue between optical element and supporting part can penetrate into optical section along body part, this is practical
The blocking portion 143 and supporting part 123 of novel embodiment contradict, and optical section 142 is farther away from supporting part 123, therefore, optics member
Glue between part 14 and supporting part 123 does not penetrate on optical section 142, and optical section 142 can work normally.
Also referring to Fig. 1 and Fig. 2, in some embodiments, one end of body part 141 is arranged in blocking portion 143.This
Body portion 141 and the joint of blocking portion 143 form the first cascaded surface 1440 and the second cascaded surface 1441, the first cascaded surface 1440
And second cascaded surface 1441 be blocked portion 143 interval.The side where the first cascaded surface 1440, ontology is arranged in optical section 142
The medial surface 1221 in portion 141, blocking portion 143 and side wall 122 is collectively formed in the side where the second cascaded surface 1441 holds glue sky
Between 145.
Specifically, one end of body part 141 is arranged in blocking portion 143, convenient for contacting with supporting part 123.Body part 141,
The medial surface 1221 of blocking portion 143 and side wall 122 is collectively formed in the side where the second cascaded surface 1441 holds glue space 145.
When optical element 14 to be installed on lens barrel 12, glue can be contained in glue space 145, and in blocking portion 143
Under blocking, glue will not enter the side where optical section 142, ensure that optical section 142 can work normally.In addition, setting
It sets and holds glue space 145 and can also increase glue area between lens barrel 12 and optical element 14, so that lens barrel 12 and optical element
14 combination is more firm.
Referring to Fig. 2, in one example, the first cascaded surface 1440 is flushed with the second cascaded surface 1441.Work as blocking portion
143 with supporting part 123 when contradicting, and the first cascaded surface 1440 and 1231 relative spacing of loading end, optical section 142 is far from supporting part
123, the glue between optical section 142 and supporting part 123 does not penetrate on optical section 142.Referring to Fig. 3, in another example
In son, body part 141 further includes the light-emitting surface 1442 opposite with the first cascaded surface 1440 and the second cascaded surface 1441, the first ladder
Face 1440 is compared with the second cascaded surface 1441 closer to light-emitting surface 1442.When blocking portion 143 and supporting part 123 contradict, the first ladder
Face 1440 is farther away from loading end 1231, and optical section 142 is also farther away from supporting part 123, therefore, optical section 142 and supporting part
Glue between 123 does not penetrate into more on optical section 142, and optical section 142 can work normally.
Referring to Fig. 4, in some embodiments, the second cascaded surface 1441 opens up excessive glue groove 146.In one example,
Excessive glue groove 146 is the notch at the edge of body part 141.In another example, excessive glue groove 146 is the groove on body part 141,
The groove for example, extended from the second cascaded surface 1441 to light-emitting surface 1442.It is appreciated that between optical element 14 and lens barrel 12
Glue can be contained in excessive glue groove 146, glue will not flow to the side where optical section 142, and in blocking portion 143
Under blocking, glue will not be flowed on optical section 142, and optical section 142 can work normally.When body part 141, blocking portion 143,
And the medial surface 1221 of side wall 122 forms and holds glue space 145, and when also opening up excessive glue groove 146 on optical element 14, optics member
The space that glue is accommodated between part 14 and lens barrel 12 is larger, and glue will not more flow to the side where optical section 142, and
Under the blocking of blocking portion 143, glue also will not more be flowed on optical section 142, and optical section 142 can work normally.
Referring to Fig. 5, in some embodiments, supporting part 123 includes loading end 1231, loading end 1231 is recessed inwardly
Form glue groove 124.Blocking portion 143 includes faying face 1431, and faying face 1431 is combined with loading end 1231.By optical element
14 when being installed on lens barrel 12, optical element 14 then can be carried on supporting part 123 again first in 124 dispensing of glue groove
On.In this way, the glue between optical element 14 and lens barrel 12 can be contained in glue groove 124, glue will not flow to optical section
Side where 142, and under the blocking of blocking portion 143, glue will not flow on optical section 142, and optical section 142 can
It works normally.Referring to Fig. 6, in other embodiments, the space of glue groove 124 is larger, blocking portion 143 protrudes into glue groove 124
Interior, loading end 1231 is combined with the first cascaded surface 1440, and faying face 1431 is combined with the bottom surface 1241 of glue groove 124.By light
When element 14 is installed on lens barrel 12, blocking portion 143 then can be protruded into glue groove 124 again first in 124 dispensing of glue groove
It is interior.In this way, the glue between optical element 14 and lens barrel 12 can be contained in glue groove 124, glue will not flow to optical section
Side where 142, and under the blocking of the side wall of glue groove 124 (supporting part 123), glue will not flow to optical section
On 142, optical section 142 can be worked normally.In addition, setting glue groove 124 also increases the glue of optical element 14 Yu lens barrel 12
Area is closed, so that the combination of optical element 14 and lens barrel 12 is more firm.
Referring to Fig. 7, in some embodiments, one end of body part 141, body part 141 is arranged in blocking portion 143
The first cascaded surface 1440 is formed with the joint of blocking portion 143.One where the first cascaded surface 1440 is arranged in optical section 142
Side.Supporting part 123 includes loading end 1231, and blocking portion 143 includes faying face 1431, the medial surface 1221 of side wall 122 and blocking
The lateral surface 1432 in portion 143 combines, and loading end 1231 is combined with faying face 1431.
When optical element 14 to be mounted on lens barrel 12, directly contradicted with supporting part compared to body part in routine techniques
Mode, for glue between optical element and supporting part can penetrate into optical section along body part, the utility model embodiment party
The blocking portion 143 and supporting part 123 of formula contradict, and the first cascaded surface 1440 and 1231 relative spacing of loading end, optical section 142 is more
Far from supporting part 123, therefore, the glue between optical element 14 and supporting part 123 is not penetrated on optical section 142, optics
Portion 142 can work normally.In addition, compared to the embodiment that only loading end 1231 is combined with faying face 1431, in side wall
The implementation that 122 medial surface 1221 is combined with the lateral surface 1432 of blocking portion 143 and loading end 1231 is combined with faying face 1431
In mode, the glue area between optical element 14 and lens barrel 12 is larger, and the combination of optical element 14 and lens barrel 12 is more firm.
In other embodiments, can also open up on body part 141 on excessive glue groove 146 and/or supporting part 123 can open up glue groove
124, in this way, glue can be contained in glue groove 146 and/or excessive glue groove 124, between optical section 142 and supporting part 123
Glue does not penetrate into more on optical section 142.
Referring to Fig. 1, in some embodiments, optical element 14 includes diffuser (Diffuser) 147, optical section
142 include microlens array 1421, and microlens array 1421 is used for spread laser.
Specifically, when depth securing component 100 is flight time depth component, optical element 14 is diffuser 147.Expand
Dissipating device 147 includes body part 141, microlens array 1421 and blocking portion 143.Microlens array 1421 is 141 surface of body part
The stepped ramp type or continuous relief structure generated is imprinted, can be used in spreading the laser that light source 13 emits.When diffuser 147 is carried on
When on the supporting part 123 of lens barrel 12, blocking portion 143 and supporting part 123 are contradicted.Compared to body part in routine techniques directly with hold
The mode that load portion contradicts, for the glue between diffuser and supporting part can penetrate into diffraction micro structural along body part, this is practical
The blocking portion 143 and supporting part 123 of novel embodiment contradict, and microlens array 1421 is farther away from supporting part 123, therefore,
Glue between diffuser 147 and supporting part 123 does not penetrate on microlens array 1421, and microlens array 1421 can be just
Often work.
Referring to Fig. 8, in some embodiments, optical element 14 includes diffraction optical element (Diffractive
Optical Elements, DOE) 148, optical section 142 includes diffraction micro structural 1422, and diffraction micro structural 1422 is sharp for expanding
Light.
Specifically, when depth securing component 100 is structure light depth component, optical element 14 is diffraction optical element
148.Diffraction optical element 148 includes body part 141, diffraction micro structural 1422 and blocking portion 143.Diffraction micro structural 1422 is
The stepped ramp type or continuous relief structure (generally optical grating construction) that 141 surface etch of body part or coining generate, can be used in
Laser is expanded to form laser pattern, such as forms speckle pattern or coding structure light pattern.When diffraction optical element 148 is held
When being loaded on the supporting part 123 of lens barrel 12, blocking portion 143 and supporting part 123 are contradicted.It is direct compared to body part in routine techniques
The mode contradicted with supporting part, glue between diffraction optical element and supporting part can penetrate into diffraction micro structural along body part and
Speech, the blocking portion 143 and supporting part 123 of the utility model embodiment contradict, and diffraction micro structural 1422 is farther away from supporting part
123, therefore, the glue between diffraction optical element 148 and supporting part 123 does not penetrate on diffraction micro structural 1422, diffraction
Micro-structure 1422 can work normally.
In one example, laser projecting apparatus 10 further includes collimation lens 15.Collimation lens 15 and diffraction optical element
148 are successively set in the optical path of light source 13.Collimation lens 15 is used for the laser that collimated light source 13 emits, diffraction optical element
148 for the laser after the collimated collimation of lens 15 of diffraction.Collimation lens 15 can be individual lens, or thoroughly for more pieces
Mirror.
Referring to Fig. 1, in some embodiments, side wall 122 includes the first face 1223 and the second face 1224 opposite to each other, the
The medial surface 1221 and lateral surface 1222 of 1223 connection side walls 122 on one side, the first face 1223 is compared with the second face 1224 closer to carrying
Face 1231, the second face 1224 are combined with substrate 11.Supporting part 123 includes the back side 1232 opposite with loading end 1231, the back side
1232, the medial surface 1221 of side wall 122 and the second face 1224 form cascaded surface.It is appreciated that when the back side 1232, side wall 122
When medial surface 1221 and the second face 1224 form cascaded surface, supporting part 123 be only positioned at the first face 1223 and the second face 1224 it
Between part-structure, the lighter in weight of lens barrel 12 is conducive to the lightening of laser projecting apparatus 10.Referring to Fig. 9, in other implementations
In example, the back side 1232 is flushed with the second face 1224.It is appreciated that the back side 1232 is flushed with the second face 1224, that is, only need
1223 a groove is offered to form supporting part 123 on one side, open up compared on the first face 1223 and the second face 1224
It is fluted come for forming supporting part 123, the processing of the laser projecting apparatus 10 is simpler, manufacture is easy.
Also referring to Fig. 1 and Figure 10, the utility model embodiment also provides a kind of depth securing component 100.Depth
Securing component 100 can be applied to the fields such as recognition of face, 3D modeling.Depth securing component 100 includes any of the above-described embodiment
In laser projecting apparatus 10 and camera mould group 20.Laser projecting apparatus 10 is used to emit to target object laser, such as sends out towards user
Penetrate laser pattern.Camera mould group 20 is for acquiring the laser after target object reflects.Depth securing component 100 further includes processing
Device 30.Processor 30 is used for according to the received laser of camera mould group 20 so that (depth image) is imaged.
Specifically, processor 30 is all connected with camera mould group 20 and laser projecting apparatus 10, and processor 30 is above-mentioned for handling
Laser is to obtain depth image.Projection window corresponding with laser projecting apparatus 10 can also be formed on depth securing component 100
40 and acquisition window 50 corresponding with camera mould group 20.Laser projecting apparatus 10 can be thrown by projection window 40 to object space
Laser is penetrated, camera mould group 20 can receive the laser after target object reflects by acquisition window 50.In one example,
Depth securing component 100 is structure light depth component, and the laser projecting apparatus 10 of structure light depth component can project speckle pattern
Perhaps coding structure light pattern camera mould group 20 is received through the modulated speckle pattern of target object or coded structured light figure
Case, processor 30 is according to speckle pattern or coded structured light pattern generation depth image.In another example, depth obtains
Component 100 is flight time (Time of Flight, TOF) depth component.The laser projecting apparatus 10 of flight time depth component
Laser can be emitted towards target object, and the laser after target object reflects, 30 basis of processor are received by camera mould group 20
Transmitting laser and the time difference received between reflection laser calculate the distance between target object and flight time depth camera,
To obtain the depth information of target object.
Also referring to Fig. 1 and Figure 11, the utility model embodiment also provides a kind of electronic device 1000.Electronic device
1000 can be the electronic device that can obtain depth, such as mobile phone, computer (including tablet computer, laptop computer etc.), game
Machine, head show equipment, monitoring device, access control system etc..The utility model is illustrated so that electronic device 1000 is mobile phone as an example.Tool
Body, electronic device 1000 includes the depth securing component 100 in shell 200 and above embodiment.Shell 200 can be set
The offer protection of depth securing component 100 on shell 200 is provided, such as can isolate water, dust, electromagnetic wave etc., to extend
The service life of depth securing component 100.In one example, it is offered on shell 200 corresponding with depth securing component 100
Hole, light can be pierced by or penetrate shell 200 from hole.
In the depth securing component 100 and electronic device 1000 of the utility model embodiment, laser projecting apparatus 10
The blocking portion 143 extended from body part 141 is provided on optical element 14, blocking portion 143 and optical section 142 are arranged in body part
141 the same side, when optical element 14 is carried on the supporting part 123 of lens barrel 12, blocking portion 143 and supporting part 123 are contradicted.
Compared to the mode that body part in routine techniques is directly contradicted with supporting part, glue between optical element and supporting part can be along
Body part penetrates into for optical section, and the blocking portion 143 and supporting part 123 of the utility model embodiment contradict, and optical section 142 is more
Add far from supporting part 123, therefore, the glue between optical element 14 and supporting part 123 does not penetrate on optical section 142, light
The department of the Chinese Academy of Sciences 142 can work normally.
In the description of the present invention, the meaning of " plurality " is at least two, such as two, three, unless otherwise bright
It is really specific to limit.Moreover, particular features, structures, materials, or characteristics described can be implemented in any one or more
It can be combined in any suitable manner in mode or example.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
It inside can make changes, modifications, alterations, and variations to the above described embodiments, the scope of the utility model is by claim and its is equal
Object limits.
Claims (10)
1. a kind of laser projecting apparatus characterized by comprising
Light source, for emitting laser；
Substrate, for carrying the light source；
Lens barrel, the lens barrel include the supporting part of side wall and the center extension from the inside of the side wall towards the lens barrel；Institute
Lens barrel is stated around the light source and is set on the substrate；And
Optical element, the optical element include body part, optical section and blocking portion, the optical section and the blocking portion interval
The same side of the body part is set, and the blocking portion extends from the body part, and the optical element is carried on described hold
When in load portion, the blocking portion and the supporting part are contradicted；The optical element is used to expand or spread the light source transmitting
Laser.
2. laser projecting apparatus according to claim 1, which is characterized in that the one of the body part is arranged in the blocking portion
End, the joint of the body part and the blocking portion form the first cascaded surface and the second cascaded surface, first cascaded surface and
For second cascaded surface by the blocking portion interval, the side where first cascaded surface is arranged in the optical section, described
The medial surface of body part, the blocking portion and the side wall is collectively formed in the side where second cascaded surface holds glue sky
Between.
3. laser projecting apparatus according to claim 2, which is characterized in that the body part further includes and first ladder
Face and the opposite light-emitting surface of second cascaded surface, the first cascaded surface second cascaded surface closer to it is described go out light
Face.
4. laser projecting apparatus according to claim 2, which is characterized in that second cascaded surface opens up excessive glue groove,
The excessive glue groove is the notch at the edge of the body part；Or
The excessive glue groove is the groove on the body part.
5. laser projecting apparatus according to claim 2, which is characterized in that the supporting part includes loading end, the carrying
Inward-facing recess forms glue groove, and the blocking portion includes faying face,
The faying face is in conjunction with the loading end；Or
The blocking portion protrudes into the glue groove, and the loading end is in conjunction with first cascaded surface, the faying face and institute
The bottom surface for stating glue groove combines.
6. laser projecting apparatus according to claim 1, which is characterized in that the one of the body part is arranged in the blocking portion
The joint of end, the body part and the blocking portion forms the first cascaded surface, and the optical section is arranged in first ladder
Side where face, the supporting part include loading end, and the blocking portion includes faying face, the medial surface of the side wall with it is described
The lateral surface of blocking portion combines, and the loading end is in conjunction with the faying face.
7. according to claim 1 to laser projecting apparatus described in 6 any one, which is characterized in that the optical element includes spreading out
Optical element is penetrated, the optical section includes diffraction micro structural, and the diffraction micro structural is for expanding laser；Or
The optical element includes diffuser, and the optical section includes microlens array, and the microlens array is sharp for spreading
Light.
8. laser projecting apparatus according to claim 5 or 6, which is characterized in that the side wall include opposite the first face and
Second face, first face connect the medial surface and lateral surface of the side wall, and the first face second face is closer to institute
Loading end is stated, in conjunction with the substrate, the supporting part includes the back side opposite with the loading end, the back in second face
Face is flushed with second face；Or
The back side, the medial surface of the side wall and second face form cascaded surface.
9. a kind of depth securing component characterized by comprising
Laser projecting apparatus described in claim 1 to 8 any one, the laser projecting apparatus are used to swash to target object transmitting
Light；And
Camera mould group, the camera mould group are used to acquire the laser after target object reflection.
10. a kind of electronic device characterized by comprising
Shell；And
Depth securing component as claimed in claim 9, the depth securing component setting is on the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821861337.1U CN209167624U (en) | 2018-11-12 | 2018-11-12 | Laser projecting apparatus, depth securing component and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821861337.1U CN209167624U (en) | 2018-11-12 | 2018-11-12 | Laser projecting apparatus, depth securing component and electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209167624U true CN209167624U (en) | 2019-07-26 |
Family
ID=67337740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821861337.1U Expired - Fee Related CN209167624U (en) | 2018-11-12 | 2018-11-12 | Laser projecting apparatus, depth securing component and electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209167624U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI740308B (en) * | 2019-04-08 | 2021-09-21 | 鴻海精密工業股份有限公司 | Optical lens, lens module using the optical lens and electronic device |
-
2018
- 2018-11-12 CN CN201821861337.1U patent/CN209167624U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI740308B (en) * | 2019-04-08 | 2021-09-21 | 鴻海精密工業股份有限公司 | Optical lens, lens module using the optical lens and electronic device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108873221B (en) | Laser projection device, TOF depth camera and electronic equipment | |
| EP3786707A1 (en) | Projection module and terminal | |
| TWI771569B (en) | Laser projection module , depth camera and electronic device | |
| US10895753B2 (en) | Structured light generation device and diffractive optical element thereof | |
| CN108508621A (en) | Project structured light module, image acquiring device and electronic equipment | |
| US20160291200A1 (en) | Structured light projection using a compound patterned mask | |
| CN108181777A (en) | Laser projection module, depth camera and electronic device | |
| CN109324633A (en) | Control method and device, flight time device, terminal and computer readable storage medium | |
| CN208432844U (en) | Projective module group, electrooptical device and electronic equipment | |
| CN208654455U (en) | Photoelectricity mould group, depth acquisition device and terminal | |
| CN209167624U (en) | Laser projecting apparatus, depth securing component and electronic device | |
| CN208569274U (en) | Projective module group, depth capture device and terminal | |
| CN210923959U (en) | Time-of-flight projector, time-of-flight depth module and electronic equipment | |
| CN108344378A (en) | The laser projection module and its detection method of damage, depth camera and electronic device | |
| CN208569285U (en) | Projective module group, electrooptical device and electronic equipment | |
| CN110687688B (en) | Optical projection device | |
| CN207780447U (en) | Laser projection module, depth camera and electronic device | |
| CN112004000A (en) | Light-emitting device and image acquisition device using same | |
| WO2019213861A1 (en) | Light source module, image acquisition device, identity recognition device, and electronic apparatus | |
| CN208569286U (en) | Photoelectricity mould group, depth capture device and electronic equipment | |
| CN110908131A (en) | Projection module, structured light three-dimensional imaging device and electronic equipment | |
| CN108614363A (en) | Laser projection module, camera assembly and terminal | |
| CN110989276A (en) | Projector, electronic device having the same, and method for obtaining depth information of image data | |
| CN111050029A (en) | Imaging module and electronic device | |
| CN208907945U (en) | Projective module group, imaging device and electronic device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 330013 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: 330013 No.698 Tianxiang Avenue, high tech Zone, Nanchang City, Jiangxi Province Patentee before: NANCHANG OFILM BIO-IDENTIFICATION TECHNOLOGY Co.,Ltd. Address after: 330013 No.699 Tianxiang North Avenue, Nanchang hi tech Industrial Development Zone, Nanchang City, Jiangxi Province Patentee after: Jiangxi OMS Microelectronics Co.,Ltd. Address before: 330013 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. |
|
| 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: 20190726 Termination date: 20211112 |