CN207457688U - The optical projection apparatus of the film containing monitoring - Google Patents
The optical projection apparatus of the film containing monitoring Download PDFInfo
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- CN207457688U CN207457688U CN201721598167.8U CN201721598167U CN207457688U CN 207457688 U CN207457688 U CN 207457688U CN 201721598167 U CN201721598167 U CN 201721598167U CN 207457688 U CN207457688 U CN 207457688U
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Abstract
The utility model provides a kind of optical projection apparatus of the film containing monitoring, and device includes：Substrate, for fixed light source and carrying lens barrel；Wherein, the light source is used to emit light beam；Lens, on the lens barrel, for receiving and converging the light beam of the light source transmitting；Transparent substrate, on the lens barrel, diffraction pattern structure is contained in the transparent substrate one side, for receiving the light beam after lens convergence and projecting patterned beam；Film is monitored, including the transparent conductive film being attached on the transparent substrate surface corresponding with surface where the diffraction pattern structure；Control circuit is electrically connected with the monitoring film and the light source, and the luminance of the light source is controlled according to the integrality of the monitoring film.To prevent optical projection apparatus because triggering laser safety problem when the aging, damage, deformation of transparent substrate or DOE.
Description
Technical field
The utility model is related to the optical projection dresses of optics and opto-electronics more particularly to a kind of film containing monitoring
It puts.
Background technology
Optical projection apparatus is widely used in the fields such as the 3-D scanning of object, space three-dimensional reconstruction, human-computer interaction.Light
Projection arrangement is learned by projecting coding or the special light pattern such as structuring, it can be to the spatial information of target object into rower
Note, preparation is provided for the information gathering and three-dimensional reconstruction of later image harvester.
Light source, diffraction optical element (DOE) are generally comprised for the optical projection apparatus of projective structure light beam.Wherein,
Diffraction optical element is used to receive the light beam of light source transmitting, and the light beam that light source emits is split, overlap processing, to obtain
It is evenly distributed and incoherent patterned beam.Diffraction optical element is the core optical element of optical projection apparatus, directly certainly
Determine the quality for the patterned beam that optical projection apparatus is projected, diffraction optical element performance is better, optical projection apparatus institute
The light pattern more uniform energy distribution of projection, resolution ratio is higher, and contrast is stronger, and irrelevance is better.
However in the prior art, with the increase of optical projection apparatus usage time, optical element is inevitably present with difference
The aging of degree, deformation or damage phenomenon, especially diffraction optical element.Because diffraction optical element is sealed in laser projection
In device, in the case of poor heat radiation, diffraction optical element is very easy to the phenomenon that aging, deformation or damage occur.When
When aging, deformation or damage occurs in diffraction optical element, diffracted beam ability can be decreased obviously, and cause light beam projection device
The uniformity and contrast of the patterned beam projected are also present with different degrees of decline or even with serious zero levels
Diffracted beam.So-called Zero-order diffractive light beam refers in the light beam of directive diffraction optical element that there is a part of light beams not to have
It is diffracted and continues across diffraction optical element and enter object space, i.e., be not diffracted optical element diffraction and be just directly entered
That a part of light beam of object space is Zero-order diffractive light beam.The energy of Zero-order diffractive light beam is often than high order diffraction beam energy
It is several orders of magnitude higher, deals with improperly, it is most likely that induce laser safety problem.
Utility model content
The utility model provides to solve the problems, such as that optical projection apparatus of the prior art easily induces laser safety
A kind of optical projection apparatus of the film containing monitoring.
To solve the above-mentioned problems, the technical solution adopted in the utility model is as described below：
A kind of optical projection apparatus of the film containing monitoring, including：Substrate, for fixed light source and carrying lens barrel；Wherein,
The light source is used to emit light beam；Lens, on the lens barrel, for receiving and converging the light beam of the light source transmitting；
Transparent substrate, on the lens barrel, diffraction pattern structure is contained in the transparent substrate one side, for receiving through the lens
Light beam after convergence simultaneously projects patterned beam；Film is monitored, including being attached to and surface where the diffraction pattern structure
Transparent conductive film on the corresponding transparent substrate surface；Control circuit, with the monitoring film and light source electricity
Connection controls the luminance of the light source according to the integrality of the monitoring film；The transparent substrate further includes at least
Transparent conductive film is attached on one inclined surface or notch, the inclined surface or notch surface；It further includes：Electrode or pad,
The electrode or pad are mounted on the inclined surface or notch, for connecting the transparent conductive film and the control circuit；
The transparent conductive film is conductive and/or resistive properties brittle transparent conductive film；The transparent substrate is just
Cube, cuboid, cylinder or trapezoidal hexahedral transparent glass or transparent plastic.
The utility model also provides a kind of optical projection apparatus of the film containing monitoring, the outside and/or inside of the lens barrel
It is provided with conductive metal layer；Tin ball or solder joint are provided between the lens barrel and the transparent substrate, it is described transparent for connecting
Conductive film and the conductive metal layer；The overall dimensions of transparent substrate are between the inner ring size of lens barrel and outer ring size；
Tin ball or solder joint are provided between the lens barrel and the substrate, for connecting the conductive metal layer and the substrate；It is described
Monitor film integrality include the transparent conductive film, the conductive metal layer, the substrate integrality and mutually
Between the integrality that connects.
The beneficial effects of the utility model are：A kind of optical projection apparatus for monitoring film is provided, is emitted in transparent substrate
The surface attachment layer of brittle transparent conductive film of light beam one side, transparent conductive film pass through electrode/pad or tin ball/solder joint
It connects and draws plain conductor or conductive metal layer, and accessed together in control circuit with light source.Control circuit is to transparent conductive film
Low current, and the change in resistance in monitoring circuit are injected, to judge the integrality of transparent substrate or DOE indirectly.For transparent base
The integrity condition of plate or DOE, control circuit is by the luminance of relevant control operation change light source, to prevent optical projection
Device triggers laser safety problem due to the aging, damage, deformation of transparent substrate or DOE.
Description of the drawings
Fig. 1 is a kind of structure diagram of the optical projection apparatus of film containing monitoring of the utility model embodiment.
Fig. 2 is the structure diagram of the diffraction optical element of the utility model embodiment.
Fig. 3 is the structure diagram of the optical projection apparatus of another film containing monitoring of the utility model embodiment.
Wherein, 10- substrates, 11- light sources, 12- lens barrels, 13- lens, 131- lens, 14- transparent substrates, the transparent bases of 14a-
Plate, 14b- transparent substrates, 141a- inclined surface, 142a- inclined surface, 141b- inclined surface, 142b- inclined surface, 143a- beam exits
Face, 144a- beam incident surfaces, 143b- beam exit faces, 144b- beam incident surfaces, 145a- longitudinal terminal surfaces, 146a- longitudinal ends
Face, 15- transparent conductive films, 151- electrodes or pad, 152- electrodes or pad, 161- plain conductors, 162- plain conductors,
171- tin ball either solder joint, 172- balls or solder joint, 173- tin ball or solder joint, 174- tin ball or solder joint, 181- metal layers,
182- metal layers.
Specific embodiment
The utility model is described in detail by specific embodiment below in conjunction with the accompanying drawings, for a better understanding of this
Utility model, but following embodiments are not intended to limit the scope of the utility model.In addition, it is necessary to illustrate, institute in following embodiments
The diagram of offer only illustrates the basic conception of the utility model in a schematic way, in attached drawing only display with it is related in the utility model
Component rather than component count, shape and size during according to actual implementation draw, the shape of each component, number during actual implementation
Amount and ratio can be a kind of random change, and its assembly layout form may also be increasingly complex.It is to be appreciated that term
The orientation or position relationship of the instructions such as " on ", " under ", "front", "rear", " interior ", " outer ", "left", "right" are based on shown in the drawings
Orientation or position relationship are for only for ease of description the utility model embodiment and simplify description rather than instruction or imply institute
The device or element of finger must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that this reality
With new limitation.
Fig. 1 is the structure diagram according to a kind of optical projection apparatus of film containing monitoring of the utility model embodiment.
In the present embodiment, the optical projection apparatus include substrate 10, light source 11, lens barrel 12, lens 13, lens 131, transparent substrate 14,
Transparent conductive film 15 and control circuit (not shown).
Wherein, substrate 10 is for fixed light source 11 and support lens barrel 12.Substrate 10 can be with heat conduction and/or conduction
One or more in the ceramics of function, metal, alloy, plastic or other material are made.Preferably, substrate 10 is to have the function of heat conduction
Ceramics and printed circuit board (PCB circuit board) be composed.
Wherein, light source 11 is fixed on the one side of substrate 10 by modes such as bondings, outwards emits light beam.Light source 11 can be
The laser of vertical cavity surface transmitting or the edge-emitting laser on parallel resonance chamber surface, for outwards emitting
The light beam of the suitable wavelengths such as infrared, ultraviolet.Preferably, light source 11 is the two-dimentional VCSEL cores for including at least one VCSEL light source
Piece, which can outwards project wavelength and be the infrared beam of 850nm or 940nm, and can be realized according to control circuit
At least two different luminances.VCSEL array chip can be that bare die can also be by the chip after encapsulation, the area of the two
It is not, bare die possesses smaller volume and thickness, and encapsulating chip then has better stability and more easily connect.
Wherein, lens barrel 12 by gluing, the modes such as inlay and fix on the substrate 10, for isolating extraneous natural light and peace
Put other optical elements such as lens.The material of lens barrel 12 can be the good ceramics of heat conductivility or plastics.For the ease of saturating
The installation of mirror and other optical elements, in the present embodiment, lens barrel 12 can split into multiple portions, the contact between each component
Face can pass through thermosetting glue bond.
Wherein, lens 13, lens 131 are fixed on by way of embedded, gluing inside lens barrel 12, for receiving and converging
The light beam and outside projecting beam that light source 11 emits, outwards project collimated light beam in one embodiment.Lens 13 and lens 131
Material can be transparent glass or resin or high molecular polymer.In the present embodiment, lens 13 and lens 131
Collectively form the colimated light system of optical projection apparatus in the embodiment.In some equivalent embodiments, colimated light system can be wrapped only
A piece of lens are included, the lens of multi-disc different attribute can also be included.
Wherein, the surface etch of 14 incident beam one side of transparent substrate or diffraction pattern structure is embossed with to form diffraction light
Element (DOE) is learned, transparent substrate 14 can be process by transparent glass or transparent plastic, pass through gluing or other feasible sides
Formula is fixed on lens barrel 12, for receiving, beam splitting light beam for being emitted after lens 13, lens 131 converge, projects Energy distribution
Uniformly, the high patterned beam of contrast.When light source 11 includes multiple sub-light sources, diffraction optical element is used for sub-light source institute
The pattern of arrangement outwards projects patterned beam in a manner that mirror image is superimposed.It is understood that it refers in the present embodiment
Transparent substrate 14, beam exit face 143 can project all either most patterned beam i.e. inclined surface or notches
Substantial effect will not be caused to the patterned beam of outgoing.Unlike the optical projection apparatus of the prior art, diffraction pattern
With transparent conductive film 15, monitoring described herein on the surface of the corresponding transparent substrate 14 in surface where case structure
Film includes transparent conductive film 15；Control circuit is electrically connected with transparent conductive film 15 and light source 11, is monitored by measuring
The integrality of film controls the luminance of the light source.
In a kind of structure diagram of the optical projection apparatus of film containing monitoring shown in Fig. 1, transparent substrate 14 is emitted
The surface of light beam one side includes smooth beam exit face 143 and two inclined surface or notch.
In the alternative embodiments of the utility model, the quantity of transparent substrate top incline or notch is at least one, together
It can be all inclined surface on one transparent substrate, be all notch, inclined surface or notch can also be set simultaneously.
In order to make it easy to understand, transparent substrate 14 is described further with Fig. 2 embodiments, it should be appreciated that Fig. 2 is shown
Structure be only used for illustrating, it is impossible to be interpreted as the limitation to the utility model, in some equivalent embodiments, transparent substrate 14
Structure can be cut out by square, cuboid, cylinder or other suitable polyhedrons by laser cutting or other appropriate process
It cuts and is process.In a kind of embodiment, refering to Fig. 2 (a), transparent substrate 14a is octahedra for " pincushion ".Wherein, as light beam
The plane of incidence " under " surface 144a etchings or it is embossed with diffraction pattern structure；" upper surface " 143a is smooth flat, is transparent base
The beam exit face of plate 14a.In addition, in left and right longitudinal terminal surface 145a, 146a and beam exit face 143a of transparent substrate 14a
Between or there is provided inclined surface 141a, inclined surface 142a.Inclined surface 141a, inclined surface 142a size can be according to reality
Border situation changes, and does not do specific limitation specifically, but it should be ensured that inclined surface 141a, inclined surface 142a will not light leak will not be right
The patterned beam of outgoing impacts.
In another alternative embodiment, transparent substrate 14b is trapezoidal hexahedron, refering to Fig. 2 (b).The embodiment party
In case, including as beam incident surface " under " surface 144b etchings or be embossed with diffraction pattern structure；" upper surface " 143b is
Smooth flat is the beam exit face of transparent substrate 14b.Inclined surface 141b, 142b upper and lower surface of a connections at an angle,
To form a trapezoid body.Similarly, inclined surface 141a, inclined surface 142b should will not light leak will not be to the light beam of outgoing
It impacts.The pincushion or trapezoidal polyhedron referred in Fig. 2 embodiments, which may be considered, indulges traditional cuboid or square
It carries out cutting acquisition to end face.In some equivalent embodiments, transparent substrate 14 can only include an inclined surface, can also
Including two or more inclined surface, for example it can be respectively cut in four apex angles of cuboid and generate four inclined surface.
Alternatively, inclined surface can also use " notch " to replace.In some alternate embodiments, transparent substrate 14 is included at least
One inclined surface and/or notch.
Back to Fig. 1, transparent conductive film 15 by be deposited, be vapor-deposited or attach etc. related feasible technique uniformly,
The surface of 14 outgoing beam one side of transparent substrate is closely attached to, including smooth flat part and/or inclined surface or notch
Part, have good electric conductivity and/or resistive properties.It should be understood that transparent conductive film 15 is to infrared beam, purple
Outer or other specific bands light beams have higher transmissivity, and transparent conductive film 15 is to 14 diffraction light of transparent substrate
The ability of beam will not cause materially affect.Preferably, transparent conductive film 15 can be brittle transparent conductive film, and should
Transparent conductive film has not less than 85% transmissivity infrared beam, such as：ITO (tin indium oxide) or CTO (Cd2SnO4Stannic acid
Cadmium film) or CIO (CdIn2O4Metaindic acid cadmium film) film etc..
Control circuit is electrically connected with light source 11 and transparent conductive film 15, for measuring the complete of transparent conductive film 15
Property.In one embodiment, control circuit for logic circuit and is embedded into the substrate 10 or other are as independent
The complicated circuit of module.When transparent substrate 14 or DOE are remained intact, transparent conductive film 15 keeps good electric conductivity
And/or resistive properties, control circuit monitor that the resistance value in circuit tends towards stability or the ripple in a rational section substantially
Dynamic, control circuit persistently keeps the luminance of light source 11 at this time.When aging, deformation or breakage occur in transparent substrate 14 or DOE
When, transparent conductive film 15, can be different degrees of with the aging of transparent substrate 14 or DOE, deformation or damaged appearance because of its brittleness
Cracking or come off, so as to which the conductive capability of transparent conductive film 15 or resistive properties be caused to change, at this time control electricity
The change in resistance situation that road is monitored according to circuit makes relevant control operation to light source 11.In some embodiments, control
The relevant control operation that circuit is implemented includes, and stops the work of optical projection apparatus, closes light source, reduces light source luminescent power
And/or send safety alarm etc..Therefore, in one embodiment, control circuit can be by continuous or compartment of terrain to described
Bright conductive film 15 injects low current, and monitors its change in resistance to judge the integrality of transparent conductive film 15, works as integrality
During destruction, light source will be reduced or switched off and endangered to avoid laser safety.In another embodiment, control circuit by light source 11 with
Transparent conductive film 15 is connected in the same circuit, and when transparent conductive film 15 is broken, circuit disconnects, and light source will close automatically
It closes.
Refering to Fig. 1 embodiments, the utility model additionally provides a kind of encapsulation side of the optical projection apparatus of the film containing monitoring
Method：Light source 11 is bonded, is fixed on the one side of substrate 10, and is accessed by plain conductor in the rigid printed circuit boards of substrate 10,
Rigid circuit board is connected to (not shown) in control circuit by FPC.In some interchangeable method for packing, control electricity
Road is simple logic circuit, is embedded in rigid circuit board.12 gluing of lens barrel is fixed on substrate 10 and is provided with the same of light source 11
One side can be split as three parts according to the setting order of lens 13, lens 131, and each section uses after lens are disposed
Thermosetting glue bond, fixation.Then the transparent substrate 14 for being attached with transparent conductive film 15 is arranged on 12 top of lens barrel, and passed through
Thermosetting glue bond, fixation.Then, electrode or pad are set respectively at the inclined surface of transparent substrate 14 141, inclined surface 142
151st, electrode or pad 152.Finally, plain conductor is drawn respectively at electrode either pad 151, electrode or pad 152
161st, plain conductor 162 or other feasible transmission lines, transparent conductive film 15 is electrically connected with integrity.One
In a little interchangeable method for packing, the inclined surface of transparent substrate 14 can be substituted by notch, then electrode or pad are arranged on scarce
At mouthful.
Fig. 3 is the structure diagram according to another optical projection apparatus of the utility model embodiment.With reality shown in Fig. 1
Applying example, difference lies in the present embodiment, in order to which the integrality to optical projection apparatus entirety measures, in the outside of lens barrel
And/or inside also is provided with conductive metal layer, control circuit passes through the modes such as solder joint and transparent conductive film 15, conductive metal layer
181st, 182, light source 11 connects.At this time monitor film integrality include transparent conductive film, conductive metal layer, substrate it is complete
Property and the integrality connected between each other；What the integrality of measurement monitoring film referred to control the luminance of the light source
It is：Control circuit injects low current, and the change in resistance of monitoring circuit by continuous or compartment of terrain to the transparent conductive film,
Relevant control operation is made with the integrality for judging the transparent substrate 14 indirectly and to light source；Can also by control circuit with
The single circuit that transparent conductive film 15 is formed with light source 11, when 15 integrality of transparent conductive film is destroyed, circuit hair
Raw to interrupt, light source 11 will turn off.
In a kind of alternative embodiments of the utility model, conductive metal layer also is provided in the outside of lens barrel and/or inside
When, transparent substrate 14 can set inclined surface or notch as shown in fig. 1, can not also set inclined surface and notch.Work as setting
When inclined surface or notch, plain conductor 161, plain conductor 162 shown in Fig. 1 can be set simultaneously, by two kinds of detections
Mode is arranged on simultaneously in an optical projection apparatus.
As shown in figure 3, the overall dimensions of transparent substrate 14 are between the inner ring size of lens barrel 12 and outer ring size.One
In a little equivalent implementations, the size of 12 outer ring of lens barrel is not less than the size of transparent substrate 14.The purpose so set is a side
Face, what transparent substrate 14 can be stablized is arranged on the top of lens barrel 12, will not be loosened or is absorbed in lens barrel with ensuring；The opposing party
Certain gap is left in face between transparent substrate 14 and lens barrel 12, for setting tin ball or solder joint 171,172,173,174.
Conductive metal layer 181,182 is connected with transparent conductive film 15 by tin ball or solder joint.
Further, in the present embodiment, tin ball or solder joint 171,173 are separately positioned on outside transparent substrate 14 and lens barrel 12
Enclose remaining gap.The benefit so set is, on the one hand, may insure transparent conductive film 15 can reasonably with metal
Layer 181,182 realizes electrical connection；On the other hand, tin ball or solder joint 171,173 are not susceptible to ectocine and come off.It is similar
Ground, the size of substrate 10 should also be not less than the outer ring size of lens barrel 12 in setting, conductive metal layer 181,182 it is another
End, then be electrically connected by tin ball or solder joint 172,174 with substrate 10 respectively.
Function performed by control circuit except comprising in addition to the function of control circuit in embodiment shown in FIG. 1, this reality
It applies in example, control circuit can also be realized to transparent conductive film 15, conductive metal layer 181, conductive metal layer 182, substrate 10
Integrality and the integrality that connects between each other measure.The apparent advantageous effect of the embodiment is to work as electrically conducting transparent
When the integrality of film 15 is destroyed, control circuit can realize the control to light source, for example reduce power or closing；Together
When, when DOE falling when being subjected to displacement or when lens barrel 12 is subjected to displacement compared with substrate due to optical projection apparatus, thoroughly
Tin ball or solder joint connection 172 between bright conductive film 15, conductive metal layer 181, conductive metal layer 182 and substrate 10
And/or 174 can also fail, control circuit can be measured as the integrity violations caused by these Joint failures at this time, so as to control
Light source luminescent state processed.
The utility model also provides a kind of method for packing of optical projection apparatus, includes the following steps：
1. provide substrate；
2. providing light source, the light source is mounted in substrate, for emitting light beam；
3. providing lens barrel, the lens barrel installation is on the substrate；
4. lens are provided, on the lens barrel, for receiving and converging the light beam of the light source transmitting；
5. providing transparent substrate, on the lens barrel, diffraction pattern structure is contained in the transparent substrate one side, is used for
It receives the light beam after lens convergence and projects patterned beam；
6. providing monitoring film, it is attached to including offer corresponding described transparent with surface where the diffraction pattern structure
Transparent conductive film on substrate surface；
7. providing control circuit, it is electrically connected with the transparent conductive film and the light source, by measuring the monitoring
The integrality of film controls the luminance of the light source.
It is understood that the above method is only the preparation method for preparing the basic structure for realizing the utility model, this
The protection domain of utility model equally includes preparing any structure that can realize the utility model in above-described embodiment
It method and is combined with technology of the prior art to the further improved side of optical projection apparatus provided by the utility model
Method.
Traditional technology is different from, the utility model refers to the optical projection apparatus containing monitoring film, its advantage
It is：Surface attachment layer of brittle transparent conductive film in transparent substrate outgoing beam one side, transparent conductive film by electrode/
Either tin ball/solder joint connects and draws plain conductor or conductive metal layer pad, and is accessed together in control circuit with light source.Control electricity
Low current is injected transparent conductive film on road, and the change in resistance in monitoring circuit, to judge that transparent substrate or DOE's is complete indirectly
Whole property.The luminous shape for passing through relevant control operation change light source for transparent substrate or the integrity condition of DOE, control circuit
State, to prevent optical projection apparatus because triggering laser safety problem when the aging, damage, deformation of transparent substrate or DOE.
It may be noted that according to the needs of implementation, each step/component described in this application can be split as more multistep
The part operation of two or more step/components or step/component can be also combined into new step/component by suddenly/component,
To realize the purpose of this utility model.
The above content is combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that the specific implementation of the utility model is confined to these explanations.For those skilled in the art of the present invention
For, without departing from the concept of the premise utility, several equivalent substitute or obvious modifications, and performance can also be made
Or purposes is identical, should all be considered as belonging to the scope of protection of the utility model.
Claims (10)
1. a kind of optical projection apparatus of the film containing monitoring, which is characterized in that including：
Substrate, for fixed light source and carrying lens barrel；Wherein, the light source is used to emit light beam；
Lens, on the lens barrel, for receiving and converging the light beam of the light source transmitting；
Transparent substrate, on the lens barrel, diffraction pattern structure is contained in the transparent substrate one side, for receiving described in warp
Lens convergence after light beam and project patterned beam；
Film is monitored, it is saturating on the transparent substrate surface corresponding with surface where the diffraction pattern structure including being attached to
Bright conductive film；
Control circuit is electrically connected with the monitoring film and the light source, is controlled according to the integrality of the monitoring film
The luminance of the light source.
2. the optical projection apparatus of the film containing monitoring as described in claim 1, which is characterized in that the transparent substrate further includes
Transparent conductive film is attached at least one inclined surface or notch, the inclined surface or notch surface.
3. the optical projection apparatus of the film containing monitoring as claimed in claim 2, which is characterized in that further include：Electrode or pad,
The electrode or pad are mounted on the inclined surface or notch, for connecting the transparent conductive film and the control circuit.
4. as described in claim 1 containing monitoring film optical projection apparatus, which is characterized in that the outside of the lens barrel and/
Or inside is provided with conductive metal layer.
5. as claimed in claim 4 containing monitoring film optical projection apparatus, which is characterized in that the lens barrel with it is described transparent
Tin ball or solder joint are provided between substrate, for connecting the transparent conductive film and the conductive metal layer.
6. the optical projection apparatus of the film containing monitoring as claimed in claim 5, which is characterized in that the overall dimensions of transparent substrate
Between the inner ring size of the lens barrel and outer ring size.
7. the optical projection apparatus of the film containing monitoring as claimed in claim 4, which is characterized in that the lens barrel and the substrate
Between be provided with tin ball or solder joint, for connecting the conductive metal layer and the substrate.
8. the optical projection apparatus of the film containing monitoring as described in claim 5 or 7, which is characterized in that the monitoring film
Integrality include the transparent conductive film, the conductive metal layer, the substrate integrality and connect between each other
Integrality.
9. the optical projection apparatus of the film containing monitoring as described in claim 1, which is characterized in that the transparent conductive film is
Conductive and/or resistive properties brittle transparent conductive films.
10. the optical projection apparatus of the film containing monitoring as described in claim 1, which is characterized in that the transparent substrate is just
Cube, cuboid, cylinder or trapezoidal hexahedral transparent glass or transparent plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201721598167.8U CN207457688U (en) | 2017-11-24 | 2017-11-24 | The optical projection apparatus of the film containing monitoring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721598167.8U CN207457688U (en) | 2017-11-24 | 2017-11-24 | The optical projection apparatus of the film containing monitoring |
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| CN207457688U true CN207457688U (en) | 2018-06-05 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107942612A (en) * | 2017-11-24 | 2018-04-20 | 深圳奥比中光科技有限公司 | The optical projection apparatus and its method for packing of the film containing monitoring |
| CN109343227A (en) * | 2018-11-30 | 2019-02-15 | 维沃移动通信（杭州）有限公司 | A kind of light projection mould group and optical device |
| CN111665640A (en) * | 2019-03-08 | 2020-09-15 | 三赢科技（深圳）有限公司 | Structured light projection module and electronic device thereof |
| CN113227650A (en) * | 2018-12-21 | 2021-08-06 | ams传感器新加坡私人有限公司 | Light emitting module with irregular and/or aperiodic conductive traces |
-
2017
- 2017-11-24 CN CN201721598167.8U patent/CN207457688U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107942612A (en) * | 2017-11-24 | 2018-04-20 | 深圳奥比中光科技有限公司 | The optical projection apparatus and its method for packing of the film containing monitoring |
| CN109343227A (en) * | 2018-11-30 | 2019-02-15 | 维沃移动通信（杭州）有限公司 | A kind of light projection mould group and optical device |
| CN113227650A (en) * | 2018-12-21 | 2021-08-06 | ams传感器新加坡私人有限公司 | Light emitting module with irregular and/or aperiodic conductive traces |
| CN111665640A (en) * | 2019-03-08 | 2020-09-15 | 三赢科技（深圳）有限公司 | Structured light projection module and electronic device thereof |
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