CN207457688U - The optical projection apparatus of the film containing monitoring - Google Patents

The optical projection apparatus of the film containing monitoring Download PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
film
monitoring
transparent
optical projection
substrate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201721598167.8U
Other languages
Chinese (zh)
Inventor
闫敏
王兆民
邓想全
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Orbbec Co Ltd
Original Assignee
Shenzhen Orbbec Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Orbbec Co Ltd filed Critical Shenzhen Orbbec Co Ltd
Priority to CN201721598167.8U priority Critical patent/CN207457688U/en
Application granted granted Critical
Publication of CN207457688U publication Critical patent/CN207457688U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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

The optical projection apparatus of the film containing monitoring
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.
CN201721598167.8U 2017-11-24 2017-11-24 The optical projection apparatus of the film containing monitoring Active CN207457688U (en)

Priority Applications (1)

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

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CN207457688U true CN207457688U (en) 2018-06-05

Family

ID=62277028

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721598167.8U Active CN207457688U (en) 2017-11-24 2017-11-24 The optical projection apparatus of the film containing monitoring

Country Status (1)

Country Link
CN (1) CN207457688U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN107025451B (en) A kind of display panel and display device
JP6790899B2 (en) Light emitting module manufacturing method and light emitting module
CN206610054U (en) Light source assembly and its display device
CN104637973B (en) Organic Light Emitting Diode touch control display device
US3947090A (en) Electro-optical devices
TWI439641B (en) Collimating light injectors for edge-lit backlights
JP4034241B2 (en) LIGHT SOURCE DEVICE AND LIGHT SOURCE DEVICE MANUFACTURING METHOD
US20140198494A1 (en) Lighting Unit and Light Bar having the Same
JP6348975B2 (en) Bonding edge erasing device for liquid crystal display with edge display
US9978304B2 (en) Organic light emitting diode (OLED) touch display device
US5748161A (en) Integrated electro-optical package with independent menu bar
AU748146B2 (en) Contrast enhancement for an electronic display device
CN107608167A (en) Laser projection device and its method of controlling security
US8022431B2 (en) Illuminating apparatus, method for fabricating the using the same and display apparatus using the same
CN102194980B (en) Light emitting diode package and lighting system including the same
KR200479100Y1 (en) Touch panel and touch display device
JP5736257B2 (en) Light emitting element module
TWI431804B (en) Method of manufacturing addressable and static electronic displays, power generating or other electronic apparatus
WO2014050876A1 (en) Display device and method for manufacturing display device
KR20140141391A (en) Optical film for reducing color shift and organic light emitting display employing the same
JP2015524999A (en) Transparent lightning plate and manufacturing method thereof
KR100819883B1 (en) Package of light emitting device and manufacturing method thereof
CN104880781B (en) Light delivery module and the manufacture method of light delivery module
KR20110089423A (en) Touch screen sensor
CN104133307B (en) Display panel and display device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant