CN209419671U - Optical transmitting set, flight time component and electronic equipment - Google Patents
Optical transmitting set, flight time component and electronic equipment Download PDFInfo
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- CN209419671U CN209419671U CN201920397008.4U CN201920397008U CN209419671U CN 209419671 U CN209419671 U CN 209419671U CN 201920397008 U CN201920397008 U CN 201920397008U CN 209419671 U CN209419671 U CN 209419671U
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Abstract
This application discloses a kind of optical transmitting set, flight time component and electronic equipments.Optical transmitting set includes light source, diffuser, photoelectric converter and electrochromic device.The laser of light source transmitting spreads and reflects through diffuser.Photoelectric converter receives the laser reflected by diffuser and laser is converted into electric signal.Electrochromic device is arranged in the optical path of light source, when the lasting duration of the high level of electric signal and/or amplitude are greater than predetermined set, the light transmittance of electrochromic device changes and is in first state, when electrochromic device is in first state, electrochromic device can stop laser to project to outside optical transmitting set.The flight time component and electronic equipment of the application includes above-mentioned optical transmitting set.The eyes of user are damaged in this way, can be avoided the laser that light source issues when abnormal by setting electrochromic device, improve the safety of optical transmitting set.
Description
Technical field
This application involves consumer electronics technical fields, more specifically, are related to a kind of optical transmitting set, flight time component
And electronic equipment.
Background technique
Flight time mould group can be configured on mobile phone, the transmitting terminal of flight time mould group emits detection light, and receiving end receives
By detection light that external object is reflected back with the depth information for obtaining object, however, the flight time, mould group was in the course of work
In may be abnormal, cause transmitting terminal emit detection light eyes of user is damaged.
Utility model content
In order to solve the above technical problems, the application embodiment provides a kind of optical transmitting set, flight time component and electronics
Equipment.
The optical transmitting set of the application embodiment includes light source, diffuser, photoelectric converter and electrochromic device.It is described
The laser of light source transmitting spreads and reflects through the diffuser.Described in the photoelectric converter is received and is reflected as the diffuser
The laser is simultaneously converted into electric signal by laser.The electrochromic device is arranged in the optical path of the light source, when the electricity
When the lasting duration of the high level of signal and/or amplitude are greater than predetermined set, the light transmittance of the electrochromic device becomes
Change and be in first state, when the electrochromic device is in the first state, the electrochromic device can hinder
The laser is kept off to project to outside the optical transmitting set.
In some embodiments, the diffuser includes the plane of incidence and exit facet being disposed opposite to each other, the plane of incidence court
To the light source, the electrochromic device is formed on the plane of incidence or the exit facet.
In some embodiments, the optical transmitting set further includes lens barrel, and the lens barrel offers light hole, the light source
Setting is in the lens barrel and opposite with the light hole, and the electrochromic device is arranged on the lens barrel and blocks described
Light hole, the electrochromic device are located at the opposite two sides of the diffuser with the light source.
In some embodiments, it is less than or equal to institute in the lasting duration of the high level of the electric signal and/or amplitude
When stating predetermined set, the light transmittance of the electrochromic device changes and is in the second state, in the electrochromism device
When part is in second state, the laser can penetrate the electrochromic device and project to outside the optical transmitting set.
In some embodiments, light transmittance of the electrochromic device when being in the first state is lower than described
Light transmittance of the electrochromic device when being in second state.
In some embodiments, the electrochromic device includes the first electrode layer being cascading, photochromic layer
And the second electrode lay；When the electrochromic device is in the first state, the color of the photochromic layer is black, in institute
When stating electrochromic device and being in second state, the photochromic layer restores original light transmittance so that the laser can be saturating
Cross the photochromic layer.
The flight time component of the application embodiment includes the optical transmitting set of any of the above-described embodiment.
The flight time component of the application embodiment includes flight time mould group and electrochromic device.When the flight
Between mould group include light source, diffuser and photoelectric converter, the laser of the light source transmitting spreads and reflects through the diffuser, institute
Photoelectric converter is stated to receive the laser reflected by the diffuser and the laser is converted into electric signal.The electroluminescent change
Color device is arranged in the optical path of the light source.Make a reservation for when the lasting duration of the high level of the electric signal and/or amplitude are greater than
When setting, the light transmittance of the electrochromic device changes and is in first state, is in the electrochromic device
When the first state, the electrochromic device can stop the laser to project to outside the flight time component.
In some embodiments, when the lasting duration of the high level of the electric signal and/or amplitude are less than or equal to institute
When stating predetermined set, the light transmittance of the electrochromic device changes and is in the second state, in the electrochromism device
When part is in second state, the laser can penetrate the electrochromic device and project to the flight time component
Outside.
In some embodiments, light transmittance of the electrochromic device when being in the first state is lower than described
Light transmittance of the electrochromic device when being in second state.
In some embodiments, the diffuser includes the plane of incidence and exit facet being disposed opposite to each other, the plane of incidence court
To the light source, the electrochromic device is formed on the plane of incidence or the exit facet.
In some embodiments, the flight time mould group further includes lens barrel, and the lens barrel offers light hole, described
Light source setting is in the lens barrel and opposite with the light hole, and the electrochromic device is arranged on the lens barrel and blocks
The light hole, the electrochromic device are located at the opposite two sides of the diffuser with the light source.
In some embodiments, the electrochromic device includes the first electrode layer being cascading, photochromic layer
And the second electrode lay；When the electrochromic device is in the first state, the color of the photochromic layer is black, in institute
When stating electrochromic device and being in second state, the photochromic layer restores original light transmittance so that the laser can be saturating
Cross the photochromic layer.
The electronic equipment of the application embodiment includes shell and flight time component, and the flight time component setting exists
In the shell.The flight time component includes above-mentioned optical transmitting set, when the lasting duration of the high level of the electric signal,
And/or amplitude be greater than predetermined set when, the electrochromic device is in first state.
The electronic equipment of the application embodiment includes shell and flight time component, and the flight time component setting exists
In the shell.The flight time component includes flight time mould group and electrochromic device.The flight time mould group packet
Light source, diffuser and photoelectric converter are included, the laser of the light source transmitting spreads and reflects through the diffuser, and the photoelectricity turns
Parallel operation receives the laser reflected by the diffuser and the laser is converted into electric signal.The electrochromic device is set
It sets in the optical path of the light source.When the lasting duration of the high level of the electric signal and/or amplitude are greater than predetermined set,
The light transmittance of the electrochromic device changes and is in first state, is in described first in the electrochromic device
When state, the electrochromic device can stop the laser to project to outside the optical transmitting set.
Optical transmitting set, flight time component and the electronic equipment of the application embodiment, by being set in the optical path of light source
Electrochromic device is set, is greater than predetermined set in the lasting duration of the high level of the electric signal of photoelectric converter and/or amplitude
When, judge light source working exception, such as laser duration for issuing of light source is too long and/or intensity is excessive etc., electrochromism device
The light transmittance of part changes and is in first state, and electrochromic device can stop laser to project to flight time group at this time
Outside part, the laser so as to avoid light source from issuing under abnormality damages the eyes of user, is conducive to improve light
The safety in utilization of transmitter.
The additional aspect and advantage of presently filed embodiment will be set forth in part in the description, partially will be from following
Description in become obvious, or recognized by the practice of presently filed embodiment.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the application is from combining in description of the following accompanying drawings to embodiment by change
It obtains obviously and is readily appreciated that, in which:
Fig. 1 is the structural schematic diagram of the electronic equipment of the application embodiment；
Fig. 2 is the schematic cross-section of the flight time component of the application embodiment；
Fig. 3 is the schematic illustration of the detection chip detection electric signal of the flight time component of the application embodiment；
Fig. 4 is that the structure of the detection chip of the flight time component of the application embodiment and signal move towards schematic diagram；
Fig. 5 and Fig. 6 is the schematic top plan view of the flight time component of the application embodiment；
Fig. 7 is the schematic cross-section of the flight time component of another embodiment of the application；
Fig. 8 is that the structure of the driving chip of the flight time component of the application embodiment and signal move towards schematic diagram；
Fig. 9 and Figure 10 is the module diagram of the flight time component of the application embodiment；
Figure 11 to Figure 13 is the mould of the flight time component of the application embodiment and the control system of flight time component
Block schematic diagram；
Figure 14 is the structural schematic diagram of the electronic equipment of the application embodiment；
Figure 15 and Figure 16 is the schematic cross-section of the optical transmitting set of the application embodiment；
Figure 17 is the module diagram of the optical transmitting set of the application embodiment；
Figure 18 is the schematic cross-section of the flight time component of another embodiment of the application.
Specific embodiment
Presently filed embodiment is described further below in conjunction with attached drawing.Same or similar label is from beginning in attached drawing
To the same or similar element of expression or element with the same or similar functions eventually.
In addition, the presently filed embodiment described with reference to the accompanying drawing is exemplary, it is only used for explaining the application's
Embodiment, and should not be understood as the limitation to the application.
In this application unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
Referring to Fig. 2, the flight time component 100 of the application embodiment includes flight time mould group 10, electrochromism
Device 13 and detection chip 14.Flight time mould group 10 includes light source 111, diffuser 112 and photoelectric converter 21, light source 111
The laser of transmitting spreads and reflects through diffuser 112.Photoelectric converter 21 receives the laser reflected by diffuser 112 and swashs this
Light is converted into electric signal.Electrochromic device 13 is arranged in the optical path of light source 111.Detection chip 14 connects photoelectric converter 21
With electrochromic device 13.Detection chip 14 is greater than predetermined in the lasting duration of the high level for detecting electric signal and/or amplitude
When setting, first control signal is issued so that the light transmittance of electrochromic device 13 changes and is in first state, in electricity
When mutagens color device 13 is in first state, electrochromic device 13 can stop laser to project to outside flight time component 100.
The flight time component 100 of the application embodiment, by the way that electrochromic device is arranged in the optical path of light source 111
13, it is predetermined to detect that the lasting duration of the high level of the electric signal of photoelectric converter 21 and/or amplitude are greater than in detection chip 14
When setting, 111 operation irregularity of light source is judged, such as the laser duration that issues of light source 111 is too long and/or intensity is excessive etc.,
Detection chip 14 issues first control signal so that the light transmittance of electrochromic device 13 changes and is in first state, this
When electrochromic device 13 laser can be stopped to project to outside flight time component 100, so as to avoid light source 111 in exception
The laser issued under state damages the eyes of user, is conducive to the safety in utilization for improving flight time component 100.
Fig. 1 and Fig. 2 is please referred to, the electronic equipment 1000 of the application embodiment includes flight time component 100 and flight
The control system 200 of time component 100.Electronic equipment 1000 can use the control flight time component 100 of control system 200 and obtain
The depth information of target object is taken, to carry out the operation such as ranging, modeling using depth information.Electronic equipment 1000 specifically can be
Mobile phone, tablet computer, remote controler, intelligent wearable device etc., electronic equipment 1000, which can also be, is mounted on mobile platform (such as nothing
Man-machine, automobile etc.) on plug-in device.The embodiment of the present application is illustrated so that electronic equipment 1000 is mobile phone as an example, Ke Yili
Solution, the concrete form of electronic equipment 1000 are not limited to mobile phone.In the example depicted in figure 1, electronic equipment 1000 includes shell
300, shell 300 can be used for installing flight time component 100 and control system 200.
Referring to Fig. 1, flight time component 100 may be mounted in shell 300, specifically, in one example, shell
Through-hole is offered on 300, flight time component 100 is mounted in shell 300 simultaneously and through-hole alignment, through-hole can be provided with shell
300 front or the back side；In another example, flight time component 100 is mounted in shell 300 and align display screens 400,
It is arranged under display screen 400, the optical signal that flight time component 100 emits passes through display screen 400 and enters the external world, or extraneous
Optical signal pass through display screen 400 received by flight time component 100.
Incorporated by reference to Fig. 2, flight time component 100 includes flight time mould group 10.Flight time mould group 10 includes light emitting
Device 11 and optical receiver 12.Optical transmitting set 11 and optical receiver 12 are arranged on same substrate 500, and substrate 500 can be printing
Circuit board or flexible circuit board or rigid-flexible circuit board.
Optical transmitting set 11 includes lens barrel 110, light source 111, diffuser 112 (diffuser) and photoelectric converter 21.Lens barrel
110 are arranged on substrate 500, and lens barrel 110 offers light hole 1100, and light source 111 and diffuser 112 are housed in lens barrel 110
It is interior.The setting of light source 111 is on substrate 500 and opposite with light hole 1100, and light source 111 can be vertical cavity surface emitting laser
(Vertical Cavity Surface Emitting Laser, VCSEL), light source 111 can be used for emitting infrared laser, infrared
The wavelength of laser can be 940 nanometers, and infrared laser can have uniform spot pattern.The setting of diffuser 112 swashs infrared
In the optical path of light and between light source 111 and light hole 1100, diffuser 112 includes the plane of incidence 113 being disposed opposite to each other and goes out
Penetrate face 114, the plane of incidence 113 is towards light source 111.The infrared laser that light source 111 emits enters diffuser 112 through the plane of incidence 113 and expands
It dissipates more uniformly to project from exit facet 114 into the exterior space of flight time component 100.Meanwhile diffuser 112 can also be anti-
Penetrate part infrared laser.
Photoelectric converter 21 specifically can be photodiode (Photo-Diode, PD), and photoelectric converter 21 is receiving
After optical signal, electric signal can be converted optical signals into, the intensity of optical signal is bigger, then the intensity of electric signal is also bigger.Photoelectricity
Converter 21 can be set in optical transmitting set 11, and in the example shown in Fig. 2, the setting of photoelectric converter 21 is attached in light source 111
On close substrate 500, certainly, specific location of the photoelectric converter 21 in optical transmitting set 11 is not limited to the example above, such as light
Electric transducer 21 can also be arranged on the lateral wall of diffuser 112 etc..In the embodiment of the present application, photoelectric converter 21 receives
The infrared laser that is reflected by diffuser 112 is simultaneously converted into electric signal, it will be understood that the received infrared laser of photoelectric converter 21 comes
Derived from light source 111, after infrared laser is converted into electric signal by photoelectric converter 21, the feature of electric signal can be used for characterizing light
The feature for the infrared laser that source 111 emits persistently emits for example, the high level duration of electric signal can characterize light source 111
The duration of infrared laser；The amplitude size of electric signal can characterize the intensity size of infrared laser etc. of the transmitting of light source 111.
Optical receiver 12 includes cylinder 120, lens 121 and sensor 122.Cylinder 120 is arranged on substrate 500, cylinder
120 offer through-hole 1200, and lens 121 and sensor 122 are housed in cylinder 120.Sensor 122 is arranged in substrate 500
It is upper and opposite with through-hole 1200.For lens 121 between sensor 122 and through-hole 1200, the quantity of lens 121 can be one
Or it is more than two.
Optical receiver 12 can be with 11 cooperating of optical transmitting set.Specifically, infrared laser is projected from optical transmitting set 11
After reach target object, under the reflex of target object, infrared laser is back to optical receiver 12 and by optical receiver 12
It receives.The infrared light reflected is received after passing through lens 121 by sensor 122.By calculate light source 111 emit infrared laser with
Sensor 122 receives the time difference for the infrared laser being reflected back toward, and target object can be calculated relative to the flight time
The depth (that is, distance) of component 100.
Referring to Fig. 2, in the embodiment of the present application, the infrared laser that light source 111 emits is that laser pulse is (as shown in Figure 3
T1 signal shown in), i.e., in high level light source 111 emit laser pulse, in low level, light source 111 does not emit laser arteries and veins
Punching.
Fig. 2 and Fig. 4 is please referred to, flight time component 100 further includes detection chip 14, detection chip 14 and photoelectric converter
21 connections.Detection chip 14 can be set on substrate 500.Detection chip 14 can receive the electricity that photoelectric converter 21 is converted to
Signal, detection chip 14 can judge whether light source 111 works normally by the feature of electric signal.Specifically, in the flight time
When component 100 works normally, the lasting duration of the high level of electric signal and the amplitude (T2 as shown in Figure 3 in predetermined set
Shown in signal)；It, can when the lasting duration of the high level of electric signal is greater than predetermined set (shown in T3 signal as shown in Figure 3)
To think that light source 111 at this time is likely to be at long bright state, and the infrared laser that long bright light source 111 persistently emits is likely to pair
User damages；When the amplitude of electric signal is greater than predetermined set (shown in T4 signal as shown in Figure 3), it is also assumed that this
The intensity for the infrared laser that Shi Guangyuan 111 is issued is too big and is likely to damage user.
Referring to Fig. 2, flight time component 100 further includes electrochromic device 13, electrochromic device 13 is arranged in light
In the optical path in source 111 and cover light hole 1100.Electrochromic device 13 include be cascading first electrode layer 130,
Photochromic layer 131 and the second electrode lay 132.
First electrode layer 130 and the second electrode lay 132 can be more than or equal to 85% conductive material using light transmittance
It is made, in this way, the electrode layer (first electrode layer 130 and the second electrode lay 132) with light transmittance appropriate being capable of shadow smaller
Ring the infrared laser that light source 111 issues.For example, electrode layer (first electrode layer 130 and the second electrode lay 132) can be by with low
Resistivity, high-transmission rate conductive film be made, metal membrane system, oxide membrane system, other compound membrane systems or height can be used
Molecule membrane system and compound film system etc..Electrode layer (first electrode layer 130 and the second electrode lay 132) can also use tin indium oxide
The either ZnO transparent conductive material of the SnO2 transparent conductive material or adulterated al of carbon nano-tube material or doping fluorine,
It can be the conductive layer made of superfine metal grill or nano silver.In the present embodiment, electrode layer (first electrode layer 130
With the second electrode lay 132) can and lower-cost tin indium oxide higher using light transmittance as material.
In one example, first electrode layer 130 and the second electrode lay 132 also can be set in the same of photochromic layer 131
Side, i.e. first electrode layer 130 and 132 same layer of the second electrode lay and interval setting.In this way, being conducive to the whole of electrochromic device 13
Body thickness is thinner.
Photochromic layer 131 is made of electrochromic material.In this way, photochromic layer 131 can be under the action of extra electric field, itself
The optical properties such as emissivity, light transmittance, absorptivity stablize, reversible variation, so that the color of photochromic layer 131 becomes
Change.Inorganic off-color material can be used in photochromic layer 131, such as can be molybdenum trioxide, vanadic anhydride, nickel oxide, tungstic acid
Equal transition metal oxides, transition metal oxide pass through the total injection and total extraction of ion and electronics, make its chemical valence state or
Crystal structure changes, to realize the reversible change of coloring and colour fading.Organic electrochromic material can also be used in photochromic layer 131
Material, by the gain and loss of electronics redox reaction occurs for organic electrochromic material, to realize the possibility of reversal of coloring and colour fading
Change.In the present embodiment, photochromic layer 131 can be used with higher discoloration efficiency and lower-cost tungstic acid as discoloration
Material.
Electrochromic device 13 can play the role of protecting eyes of user in the case where 111 exception of light source.Specifically,
Photochromic layer 131 light transmittance with higher, the infrared laser that light source 111 issues (without under the action of voltage) in normal state
First electrode layer 130, photochromic layer 131 and the second electrode lay 132 can be penetrated, to project to outside flight time component 100.When
When applying voltage to first electrode layer 130 and the second electrode lay 132, photochromic layer 131 is under the action of electric field by higher light transmission
Rate is reduced to lower light transmittance, and in other words, photochromic layer 131 is converted under the action of electric field by the color of high transparency low
The color (such as black) of light rate, prevent light source 111 issue infrared laser from penetrate photochromic layer 131, at this time by photochromic layer
13 state in which of electrochromic device is known as when 131 light emissions for blocking the sending of light source 111 go out outer to flight time component 100
The first state (as shown in Figure 5) of electrochromic device 13.
When not applying voltage to first electrode layer 130 and the second electrode lay 132, photochromic layer 131 can lost
Restore original light transmittance under the action of voltage, in other words, photochromic layer 131 is under the action of losing voltage by the face of low-transmittance
Color is converted to the color of high transparency, and the infrared laser that light source 111 is issued is through photochromic layer 131, at this time by light source
Shape locating for electrochromic device 13 when 111 light issued can be through photochromic layer 131 and injection outer to flight time component 100
State is known as the second state (as shown in Figure 6) of electrochromic device 13.
It should be noted that the light transmittance of photochromic layer 131 is properly termed as low-transmittance when being less than or equal to 15%, such as
The numerical value of low-transmittance can be 15%, 10%, 5%, 1%.The light transmittance of photochromic layer 131 can be with when being greater than or equal to 85%
Referred to as high transparency, such as the numerical value of high transparency can be 85%, 90%, 95%, 98%.
In one example, referring to Fig. 7, electrochromic device 13 can when electrochromic device 13 is membrane structure
To be arranged on diffuser 112, for example, electrochromic device 13 can be attached on exit facet 114.In this way, membrane structure
Electrochromic device 13 advantageously reduces the integral thickness of flight time component 100.Certainly, electrochromic device 13 can also paste
It is attached on the plane of incidence 113 or is attached on the plane of incidence 113 and exit facet 114 simultaneously.If being appreciated that, electrochromic device 13 is pasted
It is attached on the plane of incidence 113 of diffuser 112, when electrochromic device 13 is in first state, electrochromic device 13 stops
The laser issued by light source 111.If electrochromic device 13 is attached on the exit facet 114 of diffuser 112, in electrochromism device
When part 13 is in first state, the blocking of electrochromic device 13 is issued by light source 111 and swashing after the diffusion of diffuser 112
Light.
In one example, referring to Fig. 2, when electrochromic device 13 is non-membrane structure, electrochromic device 13
It can be set on optical transmitting set 11 (lens barrel 110).Electrochromic device 13 further includes bracket 133, the structure in a ring of bracket 133
And it is fixed on 1100 side of light hole of lens barrel 110, bracket 133 is for carrying first electrode layer 130, photochromic layer 131 and second
Electrode layer 132.In this way, external device (ED) of the electrochromic device 13 as optical transmitting set 11, convenient for the inspection of electrochromic device 13
It repairs and safeguards.In another example, the inner surface of the side wall of bracket 133 forms undercut slots 1330, and first electrode layer 130 becomes
Chromatograph 131 and the second electrode lay 132 are housed in undercut slots 1330.In another example, electrochromic device 13 also wraps
Light transmitting cover 134 is included, light transmitting cover 134 is fixed on the surface of the separate lens barrel 110 of bracket 133, in this way, 134 energy of light transmitting cover
It is enough to play the role of protection to first electrode layer 130, photochromic layer 131 and the second electrode lay 132.In another example, light transmission
Lid 134 can be also housed in undercut slots 1330, in this way, advantageously reducing the thickness of electrochromic device 13.
In one example, incorporated by reference to Fig. 2, detection chip 14 the lasting duration of the high level for detecting electric signal and/
Or amplitude be greater than predetermined set when, issue first control signal to apply electricity to first electrode layer 130 and the second electrode lay 132
Pressure, so that electrochromic device 13 is in first state.For example, detection chip 14 is held in the high level for detecting electric signal
Continuous duration issues first control signal when being greater than predetermined set；Alternatively, detection chip 14 is big in the amplitude for detecting electric signal
First control signal is issued when predetermined set；Alternatively, the duration that detection chip 14 is lasting in the high level for detecting electric signal
Greater than predetermined set, and when amplitude is greater than predetermined set, issues first control signal.Wherein, predetermined set can be one or one
Group is quantitative, such as predetermined set corresponding with the lasting duration of high level is 10 milliseconds, 15 milliseconds etc., corresponding with amplitude predetermined
It is set as 80 millivolts, 96 millivolts etc.；Predetermined set can also be according to different scenes variation variable, such as when environmental light intensity compared with
When weak, predetermined set corresponding with the lasting duration of high level is 15 milliseconds, and predetermined set corresponding with amplitude is 96 millivolts, and
When environmental light intensity is stronger, predetermined set corresponding with the lasting duration of high level is 10 milliseconds, corresponding with amplitude to make a reservation for set
It is set to 80 millivolts.
In this way, the flight time component 100 and electronic equipment 1000 of the application in the optical path of light source 111 by being arranged electricity
Mutagens color device 13 detects the lasting duration of the high level of the electric signal of photoelectric converter 21 and/or width in detection chip 14
When value is greater than predetermined set, judge 111 operation irregularity of light source, for example, the laser duration that issues of light source 111 it is too long and/or
Intensity is excessive etc., and detection chip 14 issues first control signal so that electrochromic device 13 is in first state, electroluminescent at this time
The light emission that Electrochromic device 13 can stop light source 111 to issue goes out to outside flight time component 100, so as to avoid light source 111
The laser issued under abnormality damages the eyes of user, is conducive to the use peace for improving flight time component 100
Quan Xing.Meanwhile the application is by hardware plan, i.e., by detection chip 14, come detect flight time component 100 whether work it is different
Often, for compared to being detected by software scenario, the feelings for causing detection to be failed due to software crash etc. are avoided
Condition, reliability are higher.
In one example, detection chip 14 is when the amplitude for detecting electric signal is greater than predetermined set, detection chip 14
Corresponding control signal can be issued according to the amplitude of the electric signal to apply to first electrode layer 130 and the second electrode lay 132
The voltage of predefined size, so that the light transmittance of the photochromic layer 131 of electrochromic device 13 is reduced to predetermined value, so that light source
111 infrared lasers issued in abnormal cases are penetrating in range of the strength reduction after electrochromic device 13 to safety.
In one example, incorporated by reference to Fig. 2, flight time component 100 further includes driving chip 15, and driving chip 15 connects
Electrode layer (first electrode layer 130 and the second electrode lay 132) and detection chip 14.When detection chip 14 is detecting electric signal
When the lasting duration of high level and/or amplitude are greater than predetermined set, detection chip 14 issues the first control letter to driving chip 15
Number, when driving chip 15 receives first control signal, driving chip 15 can give electrode layer (first electrode layer 130 and the
Two electrode layers 132) power supply, so that electrochromic device 13 is in first state.When detection chip 14 is detecting telecommunications
Number high level lasting duration and/or amplitude when being less than predetermined set, detection chip 14 issues the second control to driving chip 15
Signal processed, when driving chip 15 receives second control signal, driving chip 15 can disconnect electrode layer (first electrode layer
130 and the second electrode lay 132) power supply so that electrochromic device 13 is in the second state.It should be understood that electroluminescent
The specific colourshifting process of Electrochromic device 13 is referring to above embodiment, and details are not described herein.
In some embodiments, referring to Fig. 2, when detection chip 14 detect electric signal high level it is lasting when
When long and/or amplitude is greater than predetermined set, detection chip 14 can be sent out closing control other than issuing first control signal
Signal is to close light source 111.Specifically, detection chip 14 is also connected with light source 111, and detection chip 14 is in the height for detecting electric signal
When the lasting duration of level and/or amplitude are greater than predetermined set, closing control signal also is issued to close light source to light source 111
111.It is understood that detection chip 14 can be simultaneously emitted by first control signal and closing control signal, can also first send out
First control signal issues closing control signal again out.
In one example, detection chip 14 is greater than in the lasting duration of the high level for detecting electric signal and/or amplitude
When predetermined set, also sending closing control signal is to close light source 111.For example, detection chip 14 is in the height for detecting electric signal
Level lasting duration issues closing control signal when being greater than predetermined set；Alternatively, detection chip 14 is detecting electric signal
Amplitude issues closing control signal when being greater than predetermined set；Alternatively, detection chip 14 continues in the high level for detecting electric signal
Duration be greater than predetermined set, and amplitude be greater than predetermined set when issue closing control signal.Wherein, predetermined set can be one
It is a or one group is quantitative, such as predetermined set corresponding with the lasting duration of high level is 10 milliseconds, 15 milliseconds etc., it is corresponding with amplitude
Predetermined set be 80 millivolts, 96 millivolts etc.；Predetermined set can also be the variable according to different scenes variation, such as work as environment
When light intensity is weaker, predetermined set corresponding with the lasting duration of high level is 15 milliseconds, and predetermined set corresponding with amplitude is 96
Millivolt, and when environmental light intensity is stronger, predetermined set corresponding with the lasting duration of high level is 10 milliseconds, corresponding with amplitude
Predetermined set is 80 millivolts.
In this way, the electric signal that detection chip 14 is converted by receiving photoelectric converter 21, and in the high level of electric signal
When lasting duration and/or amplitude is greater than predetermined set, judge that 100 operation irregularity of flight time component, such as light source 111 are sent out
The laser duration out is too long and/or intensity is excessive etc., closes light source 111 at this time, can avoid hurting user, when flight
Between component 100 safety in utilization it is higher.Meanwhile the application, that is, by detection chip 14, is flown by hardware plan to detect
Whether operation irregularity avoids for being detected by software scenario due to originals such as software crashes time component 100
The case where thus causing detection to be failed, reliability is higher.
Fig. 8 and Fig. 9 is please referred to, in some embodiments, flight time component 100 further includes driving chip 15, driving
Chip 15 is connect with light source 111, and driving chip 15 is for driving light source 111 to emit laser.Detection chip 14 and driving chip 15
Connection, detection chip 14 may be used also when the lasting duration of the high level for detecting electric signal and/or amplitude are greater than predetermined set
To send closing control signal to driving chip 15, when driving chip 15 receives closing control signal, light source 111 is closed.
Specifically, as shown in figure 8, driving chip 15 can obtain electric energy from external power supply by chip energization pins, lead to
It crosses communication interface (such as SDIO pin, SCLK pin) to communicate with external module, be connected by light source power supply pin and light source power
It connects, is connect by PD control signal pins with photoelectric converter 21, signal pins are controlled by light source 111 and are connect with light source 111.
Driving chip 15 can be set on substrate 500.Fig. 2 and Fig. 9 are please referred to, detection chip 14 is connect with driving chip 15, detection
Chip 14 can send control output signal to driving chip 15, and control output signal can be above-mentioned closing control signal,
When driving chip 15 receives closing control signal, driving chip 15 closes light source 111, launches outward the stopping of light source 111
Laser.
Fig. 2 and Figure 10 are please referred to, in some embodiments, flight time component 100 further includes power module 16, power supply
Module 16 connect with light source 111 and for powering to light source 111.Power module 16 is also connect with detection chip 14, detection chip
14 when the lasting duration of the high level for detecting electric signal and/or amplitude are greater than predetermined set, can also be to power module 16
Closing control signal is sent, when power module 16 receives closing control signal, is disconnected to the power supply of light source 111.
Incorporated by reference to Fig. 4, detection chip 14 can send control output signal to power module 16 at this time, when control output letter
When number being closing control signal, power module 16 disconnects power supply to light source 111 to achieve the purpose that close light source 111.Specifically
Ground, when flight time component 100 works normally, detection chip 14 can send low level electric signal, electricity to power module 16
Source module 16 is continuously the power supply of light source 111, and detection chip 14 sends high level electric signal to power module 16 and (may be regarded as closing control
Signal processed) when, power module 16 respond the high level electric signal, stop give light source 111 power, until detection chip 14 again to
Power module 16 sends low level electric signal, and power module 16 is powered to light source 111 again.
It is understood that flight time component 100 can be connect with control system 200, so that control system 200
It can be used for controlling the transmitting of flight time mould group 10 and receive infrared laser, and detection chip 14 can be got and detecting telecommunications
Number high level lasting duration and/or amplitude when being greater than predetermined set, control electrochromic device 13 is in first state,
And detection chip 14 is got in the lasting duration of the high level for detecting electric signal and/or amplitude less than or equal to predetermined
When setting, control electrochromic device 13 is in the second state.
Fig. 2 and Figure 11 are please referred to, in some embodiments, control system 200 includes application processor 20
(Application Processor,AP).20 connecting detection chip 14 of application processor.Driving chip 15 and application processor
20 connections, driving chip 15 connect with light source 111 and for driving light source 111 to emit laser.Detection chip 14 is detecting electricity
When the lasting duration of the high level of signal and/or amplitude are greater than predetermined set, it can also be sent to application processor 20 and close control
Signal processed, when application processor 20 receives closing control signal, application processor 20 controls driving chip 15 and closes light source
111。
Incorporated by reference to Fig. 4, the system that application processor 20 can be used as electronic equipment 1000,20 connecting detection of application processor
Chip 14, detection chip 14 can work under the control of application processor 20, and application processor 20 can be to detection chip 14
Send the control signal such as enable signal (AP_EN signal), reset signal (AP_Rst signal).Meanwhile detection chip 14 can be to
Application processor 20 sends control output signal, and when controlling output signal is closing control signal, application processor 20 can be with
It is sent by the communication interface of driving chip 15 to driving chip 15 and closes control instruction, the response of driving chip 15 is closed control and referred to
After order, light source 111 is closed, the stopping of light source 111 is made to launch outward laser.
Fig. 2 and Figure 12 are please referred to, in some embodiments, control system 200 includes application processor 20 and is integrated in
Modulation module 21 on sensor 122.20 connecting detection chip 14 of application processor and sensor 122.21 memory of modulation module
Contain preset modulation mode.Driving chip 15 is connect to receive in a manner of preset modulation with sensor 122, driving chip 15 and light source
111 connections, and for driving light source 111 to emit laser according to modulation system.Detection chip 14 is in the height electricity for detecting electric signal
When equalling lasting duration and/or amplitude greater than predetermined set, closing control signal can also be sent to application processor 20, answered
When receiving closing control signal with processor 20, closing control signal is sent sensor 122 by application processor 20, sensing
Device 122 controls driving chip 15 according to closing control signal and closes light source 111.
Modulation module 21 can send driving chip 15 for the preset modulation mode of storage, in flight time component 100
When normal work, driving chip 15 drives light source 111 to emit laser according to modulation system, and wherein modulation system may include light source
The information such as cycle information, power information of 111 transmitting laser pulses, modulation system may include it is multiple, use field in different
Under scape, driving chip 15 can drive light source 111 to emit laser according to different modulation systems.
When detection chip 14 issues closing control signal, illustrate that light source 111 fails to emit according to preset modulation system
Laser, it may be possible to which 21 failure of modulation module or modulation system select mistake.The connection of detection chip 14 and application processor 20
Mode can as shown in connection with fig. 4, and application processor 20 will be closed when receiving the closing control signal of the sending of detection chip 14
Control signal is sent to sensor 122；After sensor 122 receives closing control signal, directly controlled according to closing control signal
Driving chip 15 processed closes laser, and no longer controls driving chip 15 and drive light source 111 according to modulation system, preferentially ensures light source
It is closed.
Fig. 2 and Figure 13 are please referred to, in some embodiments, control system 200 includes that application processor 20 and signal are sent out
Raw device 22.20 connecting detection chip 14 of application processor.Signal generator 22 is connect with application processor 20.Detection chip 14 exists
When detecting that the lasting duration of the high level of electric signal and/or amplitude are greater than predetermined set, it can also be sent out to application processor 20
Closing control signal is sent, when application processor 20 receives closing control signal, signal generator 22 issues flight time component
100 abnormal prompt informations.
User can know that flight time component 100 does not work normally by the prompt information that signal generator 22 issues,
And user may be hurt, user can take corresponding measure to avoid being injured in time, such as close electronic equipment 1000, change
Electronic equipment 1000 is towards to avoid being irradiated with a laser.Specifically, signal generator 22 can be light beam generator, at one
In example, as shown in figure 14, signal generator 22 can be display screen 400, and prompt information can be shown on display screen 400
Prompt information, such as display reminding text, pattern, animation etc.；Signal generator 22 can also be sound generator, at one
In example, signal generator 22 can be loudspeaker etc., and prompt information can be the voice prompting of loudspeaker sending；Signal occurs
Device 22 can also be actuator, and in one example, actuator can be vibration motor etc., and prompt information can be vibration motor
It is shaken with the shell 300 of scheduled frequency drive electronics 1000.
Figure 14 is please referred to, in one example, when signal generator 22 receives predetermined operation, detection chip 14 stops hair
Closing control signal and light source 111 reopens out.For shown in Figure 14, display screen 400 can show that " click retries
The prompt information of (10S) ", user can click the prompt information and be considered as after display screen 400 receives the clicking operation of user
Predetermined operation is received, detection chip 14 stops issuing closing control signal at this time, and light source 111 is reopened.Certainly, needle
To different types of signal generator 22, different prompt informations, the type of predetermined operation may also can be different, do not limit herein
System.
Referring again to Figure 14, in another example, after detection chip 14 issues closing control signal scheduled duration, detection
Chip 14 stops issuing closing control signal, and light source 111 reopens.Specifically, scheduled duration can be 10 seconds, 7 seconds, 3
Any durations such as second, electronic equipment 1000 can restart software relevant to light source 111 in scheduled duration or carry out self-test,
Light source 111 is opened after scheduled duration, to meet the use demand of user.
In some embodiments, when the number that light source 111 is continuously closed is more than pre-determined number, detection chip 14 continues
Issue closing control signal.After light source 111 is closed and reopens, detection chip 14 may still detect flight time group
Part 100 fails to work normally, and issues closing control signal again and light source 111 is again turned off.When light source 111 is continuously closed
When the number closed is more than pre-determined number, illustrate that flight time component 100 may have occurred hardware damage or be difficult to repair soft
Part failure, the needs of flight time component 100 are more fully detected or are repaired ability normal use, therefore, in order to ensure use
Family safety, detection chip 14 continuously send out closing control signal at this moment, avoid light source 111 from being opened by mistake and open.
Figure 15 is please referred to, the application also provides a kind of optical transmitting set 11, and optical transmitting set 11 includes light source 111, diffuser
112, photoelectric converter 21 and electrochromic device 13.The laser that light source 111 emits spreads and reflects through diffuser 112, photoelectricity
Converter 21 receives the laser reflected by diffuser 112 and the laser is converted into electric signal.The setting of electrochromic device 13 exists
In the optical path of light source 111, when the lasting duration of the high level of electric signal and/or amplitude are greater than predetermined set, electrochromism device
The light transmittance of part 13 changes and is in first state, when electrochromic device 13 is in first state, electrochromism device
Part 13 can stop laser to project to outside optical transmitting set 11.
In this way, the optical transmitting set 11 of the application by the optical path of light source 111 be arranged electrochromic device 13, in photoelectricity
When the lasting duration of the high level of the electric signal of converter 21 and/or amplitude are greater than predetermined set, it is different to judge that light source 111 works
Often, such as the laser duration that issues of light source 111 is too long and/or intensity is excessive etc., the light transmittance hair of electrochromic device 13
Changing simultaneously is in first state, and electrochromic device 13 can stop laser to project to outside optical transmitting set 11 at this time, so as to
The laser for enough avoiding light source 111 from issuing under abnormality damages the eyes of user, is conducive to improve optical transmitting set 11
Safety in utilization.
Figure 16 is please referred to, in some embodiments, diffuser 112 includes the plane of incidence 113 and exit facet being disposed opposite to each other
114, the plane of incidence 114 is towards light source 111.When electrochromic device 13 is membrane structure, electrochromic device 13 be can be set
On diffuser 112, for example, electrochromic device 13 can be attached on exit facet 114.In this way, the electroluminescent change of membrane structure
Color device 13 advantageously reduces the height of optical transmitting set 11, promotes the miniaturization of optical transmitting set 11.Certainly, electrochromic device 13
It can also be attached on the plane of incidence 113 or be attached on the plane of incidence 113 and exit facet 114 simultaneously.
Figure 15 is please referred to, in some embodiments, when electrochromic device 13 is non-membrane structure, optical transmitting set 11
It further include lens barrel 110.Lens barrel 110 offers light hole 1100, and light source 111 and diffuser 112 are housed in lens barrel 110, light
Source 111 and light hole 1100 are opposite, and electrochromic device 13 is arranged on lens barrel 110 and blocks light hole 1100, electrochromism
Device 13 is located at the opposite two sides of diffuser 112 with light source 11.In this way, electrochromic device 13 is arranged in lens barrel 110, just
In the maintenance and maintenance of electrochromic device 13.
In some embodiments, when the lasting duration of the high level of electric signal and/or amplitude are less than or equal to predetermined set
When setting, electrochromic device 13 is in the second state, when electrochromic device 13 is in the second state, what light source 111 issued
Laser can penetrate electrochromic device 13 and project to outside optical transmitting set 11.In this way, the optical transmitting set 11 of the application can not only
It is enough to play the role of protecting eyes of user when light source 111 is abnormal, additionally it is possible to ensure that light emitting when light source 111 restores normal
The normal work of device 11.
In some embodiments, when electrochromic device 13 switches between first state and the second state, electroluminescent change
The light transmittance of color device 13 accordingly changes, for example, the light transmittance of electrochromic device 13 in the first state is lower than electroluminescent
The light transmittance of Electrochromic device 13 in the second condition.In this way, light transmittance of the electrochromic device 13 under different conditions is different, have
The safety used conducive to raising optical transmitting set 11.
Figure 15 is please referred to, in some embodiments, electrochromic device 13 includes the first electrode being cascading
Layer 130, photochromic layer 131 and the second electrode lay 132, when electrochromic device 13 is in first state, the color of photochromic layer 131
For black.In this way, light transmittance of the photochromic layer 131 in the case where becoming black is minimum compared to other colors, it can be effectively
The laser light photochromic layer 131 for avoiding light source 11 from emitting, so as to the laser pair for avoiding light source 111 from issuing under abnormality
The eyes of user damage.
Figure 15 and Figure 17 are please referred to, in some embodiments, optical transmitting set 11 further includes the inspection being arranged in lens barrel 11
Chip 14 is surveyed, detection chip 14 connects photoelectric converter 21 and electrochromic device 13.Detection chip 14 is detecting electric signal
High level lasting duration and/or amplitude when being greater than predetermined set, issue first control signal so that electrochromic device 13
In first state.Detection chip 14 is less than predetermined set in the lasting duration of the high level for detecting electric signal and/or amplitude
When, issuing second control signal makes electrochromic device 13 be in the second state.In this way, passing through detection by hardware plan
Chip 14, to detect flight time component 100, whether operation irregularity avoids for being detected by software scenario
The case where causing due to software crash etc. detection to be failed, reliability is higher.
Figure 18 is please referred to, the application also provides a kind of flight time component 100, and flight time component 100 includes above-mentioned
The optical transmitting set 11 and detection chip 14 of one embodiment, detection chip 14 connect photoelectric converter 21 and electrochromic device
13.Detection chip 14 issues the when the lasting duration of the high level for detecting electric signal and/or amplitude are greater than predetermined set
One control signal is so that electrochromic device 13 is in first state.
In this way, the flight time component 100 of the application by the optical path of light source 111 be arranged electrochromic device 13,
Detect that the lasting duration of the high level of the electric signal of photoelectric converter 21 and/or amplitude are greater than predetermined set in detection chip 14
When setting, 111 operation irregularity of light source is judged, such as the laser duration that issues of light source 111 is too long and/or intensity is excessive etc., inspection
It surveys chip 14 and issues first control signal so that electrochromic device 13 is in first state, electrochromic device 13 can at this time
Stop laser to project to outside flight time component 100, so as to the laser that avoids light source 111 from issuing under abnormality to
The eyes at family damage, and are conducive to the safety in utilization for improving flight time component 100.Meanwhile the application passes through hardware side
Case, i.e., by detection chip 14, come detect flight time component 100 whether operation irregularity, compared to passing through software scenario progress
For detection, avoids due to software crash etc. and cause to detect the case where failing, reliability is higher.
In some embodiments, detection chip 14 duration and/or amplitude lasting in the high level for detecting electric signal
When less than predetermined set, issuing second control signal makes electrochromic device 13 be in the second state, in electrochromic device 13
When in the second state, the laser that light source 111 issues can penetrate electrochromic device 13 and project to outside optical transmitting set 11.Such as
This, the flight time component 100 of the application can not only play the role of protecting eyes of user when light source 111 is abnormal, moreover it is possible to
Enough normal works that ensure that flight time component 100 (optical transmitting set 11) when light source 111 restores normal.
In some embodiments, when electrochromic device 13 switches between first state and the second state, electroluminescent change
The light transmittance of color device 13 accordingly changes, for example, the light transmittance of electrochromic device 13 in the first state is lower than electroluminescent
The light transmittance of Electrochromic device 13 in the second condition.In this way, light transmittance of the electrochromic device 13 under different conditions is different, have
The safety used conducive to raising flight time component 100 (optical transmitting set 11).
In some embodiments, electrochromic device 13 includes the first electrode layer 130 being cascading, photochromic layer
131 and the second electrode lay 132.Flight time component 100 further includes the driving chip 15 being arranged in lens barrel 11, driving chip 15
Connection electrode layer (first electrode layer 130 and the second electrode lay 132) and detection chip 14.When detection chip 14 is detecting telecommunications
Number high level lasting duration and/or amplitude when being greater than predetermined set, detection chip 14 issues the first control to driving chip 15
Signal processed, when driving chip 15 receives first control signal, driving chip 15 can give electrode layer (first electrode layer 130
With the second electrode lay 132) it powers, photochromic layer 131 is reduced to lower light transmittance by higher light transmittance under the action of electric field,
In other words, photochromic layer 131 is converted to the color of low-transmittance under the action of electric field by the color of high transparency, so that electroluminescent change
Color device 13 is in first state.
In some embodiments, when electrochromic device 13 is in first state, the color of photochromic layer 131 is black
Color.In this way, light transmittance of the photochromic layer 131 in the case where becoming black is minimum compared to other colors, can be effectively prevented from
Light source 11 emit laser light photochromic layer 131, so as to avoid light source 111 from issuing under abnormality laser to user
Eyes damage.
In some embodiments, when detection chip 14 is in the lasting duration of the high level for detecting electric signal and/or width
When value is less than or equal to predetermined set, detection chip 14 issues second control signal to driving chip 15, connects in driving chip 15
When receiving second control signal, when driving chip 15 stops applying voltage to first electrode layer 130 and the second electrode lay 132, become
Chromatograph 131 under the action of losing voltage can restore original light transmittance, and in other words, photochromic layer 131 is losing voltage
The color of high transparency is converted under effect by the color of low-transmittance, so that electrochromic device 13 is in the second state.
In some embodiments, flight time component 100 further includes power module 16, power module 16 and light source 111
It connects and is used to power to light source 111.Power module 16 is also connect with detection chip 14, and detection chip 14 is detecting electric signal
High level lasting duration and/or amplitude when being greater than predetermined set, can also be sent to power module 16 and close control letter
Number, when power module 16 receives closing control signal, disconnect to the power supply of light source 111.In this way, in setting electrochromic device
In the case that 13 block the laser of the transmitting of light source 111, moreover it is possible to the power supply of light source 111 is further disconnected, it is electroluminescent so as to prevent
Electrochromic device 13 breaks down and is unable to response control instruction, is conducive to the safety for improving flight time component.It is understood that
, detection chip 14 can be simultaneously emitted by first control signal and closing control signal, can also first issue the first control letter
Number closing control signal is issued again.
Fig. 1, Fig. 2, Fig. 7 and Figure 18 are please referred to, the application also provides a kind of electronic equipment 1000, and electronic equipment 1000 includes
The flight time component 100 of shell 300 and any of the above-described embodiment.In this way, the electronic equipment 1000 of the application is by light
Electrochromic device 13 is set in the optical path in source 111, detects the height electricity of the electric signal of photoelectric converter 21 in detection chip 14
When equalling lasting duration and/or amplitude greater than predetermined set, 111 operation irregularity of light source is judged, such as the swashing of issuing of light source 111
The light duration is too long and/or intensity is excessive etc., and detection chip 14 issues first control signal so that electrochromic device 13
Light transmittance changes and is in first state, and electrochromic device 13 can stop laser to project to flight time component at this time
Outside 100, the laser so as to avoid light source 111 from issuing under abnormality damages the eyes of user, is conducive to mention
The safety in utilization of high flight time component 100.
In the description of this specification, reference term " certain embodiments ", " embodiment ", " some embodiment party
The description of formula ", " exemplary embodiment ", " example ", " specific example " or " some examples " means in conjunction with the embodiment
Or example particular features, structures, materials, or characteristics described are contained at least one embodiment or example of the application.
In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, description
Particular features, structures, materials, or characteristics can be in any one or more embodiments or example with suitable side
Formula combines.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one described feature.In the description of the present application, the meaning of " plurality " is at least two, such as two,
Three, unless otherwise specifically defined.
Although embodiments herein has been shown and described above, it is to be understood that above-described embodiment is example
Property, it should not be understood as the limitation to the application, those skilled in the art within the scope of application can be to above-mentioned
Embodiment is changed, modifies, replacement and variant, and scope of the present application is defined by the claims and their equivalents.
Claims (14)
1. a kind of optical transmitting set characterized by comprising
Light source；
The laser of diffuser, the light source transmitting spreads and reflects through the diffuser；
Photoelectric converter, the photoelectric converter receive the laser reflected by the diffuser and are converted into the laser
Electric signal；And
Electrochromic device, the electrochromic device are arranged in the optical path of the light source, when the high level of the electric signal
When lasting duration and/or amplitude is greater than predetermined set, the light transmittance of the electrochromic device changes and is in first
State, when the electrochromic device is in the first state, the electrochromic device can stop the laser to be penetrated
Out extremely outside the optical transmitting set.
2. optical transmitting set according to claim 1, which is characterized in that the diffuser include the plane of incidence being disposed opposite to each other and
Exit facet, towards the light source, the electrochromic device is formed on the plane of incidence or the exit facet plane of incidence.
3. optical transmitting set according to claim 1, which is characterized in that the optical transmitting set further includes lens barrel, the lens barrel
Light hole is offered, the light source setting is in the lens barrel and opposite with the light hole, the electrochromic device setting
On the lens barrel and the light hole is blocked, the electrochromic device is located at the phase of the diffuser with the light source
Carry on the back two sides.
4. according to claim 1 to optical transmitting set described in 3 any one, which is characterized in that in the high level of the electric signal
When lasting duration and/or amplitude is less than or equal to the predetermined set, the light transmittance of the electrochromic device changes
And it is in the second state, when the electrochromic device is in second state, the laser can penetrate described electroluminescent
Electrochromic device is simultaneously projected to outside the optical transmitting set.
5. optical transmitting set according to claim 4, which is characterized in that the electrochromic device is being in first shape
Light transmittance of the light transmittance lower than the electrochromic device when being in second state when state.
6. optical transmitting set according to claim 4, which is characterized in that the electrochromic device includes being cascading
First electrode layer, photochromic layer and the second electrode lay；When the electrochromic device is in the first state, the discoloration
The color of layer is black, and when the electrochromic device is in second state, the photochromic layer restores original light transmission
Rate is so that the laser can penetrate the photochromic layer.
7. a kind of flight time component, which is characterized in that including optical transmitting set described in claim 1 to 6 any one.
8. a kind of flight time component characterized by comprising
Flight time mould group, the flight time mould group include light source, diffuser and photoelectric converter, and the light source transmitting swashs
Light spreads and reflects through the diffuser, and the photoelectric converter receives the laser reflected by the diffuser and will be described
Laser is converted into electric signal；And
Electrochromic device, the electrochromic device are arranged in the optical path of the light source；
When the lasting duration of the high level of the electric signal and/or amplitude are greater than predetermined set, the electrochromic device
Light transmittance changes and is in first state, when the electrochromic device is in the first state, the electroluminescent change
Color device can stop the laser to project to outside the flight time component.
9. flight time component according to claim 8, which is characterized in that when the high level of the electric signal is lasting
When long and/or amplitude is less than or equal to the predetermined set, the light transmittance of the electrochromic device changes and is in the
Two-state, when the electrochromic device is in second state, the laser can penetrate the electrochromic device
And it projects to outside the flight time component.
10. flight time component according to claim 9, which is characterized in that the electrochromic device is in described
Light transmittance of the light transmittance lower than the electrochromic device when being in second state when first state.
11. flight time component according to claim 9, which is characterized in that the diffuser includes entering of being disposed opposite to each other
Penetrate face and exit facet, the plane of incidence towards the light source, the electrochromic device be formed in the plane of incidence or it is described go out
It penetrates on face.
12. flight time component according to claim 9, which is characterized in that the flight time mould group further includes lens barrel,
The lens barrel offers light hole, and in the lens barrel and opposite with the light hole, the electrochromism is arranged in the light source
Device is arranged on the lens barrel and blocks the light hole, and the electrochromic device and the light source are located at the expansion
Dissipate the opposite two sides of device.
13. according to flight time component described in claim 9 to 12 any one, which is characterized in that the electrochromism device
Part includes the first electrode layer being cascading, photochromic layer and the second electrode lay；It is in described in the electrochromic device
When first state, the color of the photochromic layer is black, when the electrochromic device is in second state, the change
Chromatograph restores original light transmittance so that the laser can penetrate the photochromic layer.
14. a kind of electronic equipment, which is characterized in that including the flight time described in shell and claim 7 to 13 any one
Component, the flight time component are arranged in the shell.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920397008.4U CN209419671U (en) | 2019-03-26 | 2019-03-26 | Optical transmitting set, flight time component and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920397008.4U CN209419671U (en) | 2019-03-26 | 2019-03-26 | Optical transmitting set, flight time component and electronic equipment |
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| CN209419671U true CN209419671U (en) | 2019-09-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109842704A (en) * | 2019-03-26 | 2019-06-04 | Oppo广东移动通信有限公司 | Optical transmitting set, flight time component and electronic equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109842704A (en) * | 2019-03-26 | 2019-06-04 | Oppo广东移动通信有限公司 | Optical transmitting set, flight time component and electronic equipment |
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