CN109804338A - The electronic device close for detecting object, method - Google Patents

The electronic device close for detecting object, method Download PDF

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Publication number
CN109804338A
CN109804338A CN201680090040.7A CN201680090040A CN109804338A CN 109804338 A CN109804338 A CN 109804338A CN 201680090040 A CN201680090040 A CN 201680090040A CN 109804338 A CN109804338 A CN 109804338A
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light
panel
close
guiding pillar
electronic device
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CN201680090040.7A
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Chinese (zh)
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CN109804338B (en
Inventor
谢鹏飞
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/042Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means

Abstract

A method of the electronic device and its detection close for detecting object, by using a ballistic device (31) and sensor devices (32), pass through the optical path direction of the first light-guiding pillar (303) and the first optical path adjustment layer (304) adjustment detection light, detection light is set to project respectively from first panel (100) and second panel (200), the optical path direction of reflected light is adjusted by the first light-guiding pillar (303) and the first optical path adjustment layer (304), the reflected light of the object close to first panel (100) and the object reflection close to second panel (200) can be received, so that electronic device front and back sides can all be realized close to inducing function.Electronic device using it is same set of realize two-sided induction close to function close to optical device while, effectively save cost saves cloth plate suqare, reduces device inside layout complexity.

Description

The electronic device close for detecting object, method Technical field
The present invention relates to electronic technology field more particularly to a kind of electronic devices and method close for detecting object.
Background technique
Present smart phone all has close to inducing function, using by transmitting infrared light, by incuding the energy of infrared light close to optical sensor close to being reflected into for object, to realize close to inducing function.
The prior art can only be realized in the single sided board of mobile phone close to function, and backplate object proximity can not be detected, limited close to inducing function.
Summary of the invention
For electronic device provided by some embodiments of the invention to eliminate in the prior art, single sided board leads to the problem being limited close to inducing function close to mode.
A kind of electronic device close for detecting object that some embodiments provide according to one aspect, wherein the electronic device includes: first panel and second panel, and the first panel and the second panel are set to the opposing sides of electronic device;Ballistic device and sensor devices, it is set between the first panel and the second panel and both faces towards the first panel, the ballistic device is used for emission detection light, the sensor devices are the light for the object reflection that the detection light passes through the object close to the first panel of the electronic device and/or the second panel close to the electronic device for receiving reflected light, the reflected light;First light-guiding pillar is set on the light-path of the detection light;First optical path adjustment layer is set on first light-guiding pillar, for changing the direction of the part detection light, to project from the second panel;Second light-guiding pillar is set on the light-path of the reflected light;Second optical path adjustment layer is set on second light-guiding pillar, for changing the direction of the reflected light reflected through the object close to the second panel, to reach the sensor devices.
According to some embodiments, the first panel includes the first guide-lighting window and the second guide-lighting window, described Second panel includes third leaded light window and the 4th guide-lighting window, described first guide-lighting window is opposite with first light-guiding pillar position, described second guide-lighting window is opposite with second light-guiding pillar position, the third leaded light window is opposite with first light-guiding pillar position, and the described 4th guide-lighting window is opposite with second light-guiding pillar position.
According to some embodiments, the window size of described first guide-lighting window is less than the sectional dimension with the relative position of first light-guiding pillar, the window size of described second guide-lighting window is less than the sectional dimension of second light-guiding pillar adjacent thereto, the window size of the third leaded light window is less than the sectional dimension with the relative position of first light-guiding pillar, and the window size of the described 4th guide-lighting window is less than the sectional dimension with the relative position of second light-guiding pillar.
According to some embodiments, the first optical path adjustment layer includes: the first reflecting layer and first refractive layer, and the first refractive layer is set between first light-guiding pillar and first reflecting layer;
The second optical path adjustment layer includes: the second reflecting layer and the second refracting layer, and second refracting layer is set between second light-guiding pillar and second reflecting layer.
According to some embodiments, first reflecting layer and second reflecting layer are silver coating, and the first refractive layer and second refracting layer are resin layer.
According to some embodiments, the light-conductive rate cooperation of first guide-lighting window and the second guide-lighting window, the window size of third leaded light window and the 4th guide-lighting window and first light-guiding pillar, the first optical path adjustment layer, second light-guiding pillar and the second adjustment layer meets: if the second light-quantity range of the reflected light of the first light-quantity range, jobbie of reflected light of the jobbie close to the first panel close to the second panel and dried object are not overlapped close to the range of the first panel and the third light-quantity range of the reflected light of second panel simultaneously.
According to some embodiments, the electronic device further include: light shielding plate, it is set in the space between the first panel and the second panel, and be set to around the ballistic device, around the sensor devices and between the ballistic device and the sensor devices, to shield the interference light to the ballistic device and sensor devices;Circuit board is set in the space between the first panel and the second panel, and the ballistic device and the sensor devices are disposed adjacent on the circuit board;Processor receives the light quantity of the reflected light of the circuit board, judges whether there is electronic device described in object proximity according to the received light quantity of institute and approaches First panel and/or second panel.
According to some embodiments, the first panel and the second panel are display panel.
According to some embodiments, the first panel is display panel, and the second panel is shell.
According to some embodiments, the detection light is infrared acquisition light, and the ballistic device is light emitting diode, and the sensor devices are light-sensitive element.
According to some embodiments above, the close electronic device of the detecting object, by using a ballistic device and sensor devices, pass through the optical path direction of first light-guiding pillar and the first optical path adjustment layer adjustment detection light, detection light is set to project respectively from first panel and second panel, pass through the optical path direction of first light-guiding pillar and the first optical path adjustment layer adjustment adjustment reflected light, the reflected light of the object close to first panel and the object reflection close to second panel can be received, it can be achieved that electronic device front and back sides can all be realized close to inducing function.
Further, the electronic device realizes colleague of the two-sided induction close to function, effectively save cost, saving cloth plate suqare, reduction device inside layout complexity close to optical device (ballistic device and sensor devices) using same set of.
Simultaneously, by adjusting the reflectivity and refractive index of the size, the first optical path adjustment layer and the second optical path adjustment layer of each window on the light-conductive rate of light-guiding pillar, panel, determine the light-quantity range of different reflected lights, to obtain can lock received reflected light light quantity determine whether object proximity and it is close be first panel and/or second panel.
In some embodiments, it can reduce the power consumption of unused one side by two-sided close to function applied to the electronic device with dual-display panel and miss touching rate.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, lower panel will briefly introduce attached drawing needed in embodiment description.In the accompanying drawings, identical mark indicates corresponding part.It should be evident that the attached drawing in lower panel description is only some embodiments of the present invention, and it is not all.For those of ordinary skill in the art, under the premise of not making the creative labor, other attached drawings be can also be obtained according to these attached drawings.
Fig. 1 shows a kind of schematic diagram of the device architecture close to inducing function in the prior art;
Fig. 2 shows a kind of schematic diagrames of the electronic device close for detecting object on the one hand provided according to the application;
Fig. 3 shows the front schematic view of the electronic device provided according to some embodiments;
Fig. 4 shows the diagrammatic cross-section of the electronic device provided according to some embodiments;
Fig. 5 shows the structural schematic diagram of the first optical path adjustment layer provided according to some embodiments;
Fig. 6 shows the method schematic diagram close according to the electronic device detection object of some embodiments offer.
Specific embodiment
Lower panel will combine the attached drawing in some embodiments, and the technical solution in embodiment is clearly and completely described.
Fig. 1 shows a kind of schematic diagram of the device architecture close to inducing function in the prior art, including display panel 10, back side shell 20, ballistic device 31 issues detection light, it is projected through the first window 34 on light-guiding pillar 33 and display panel 10, when there is object 40 close to device, it will form reflected light and inject sensor devices 32 through the second window 35 on the display panel 10, when sensor devices 32 receive reflected light, inductive signal can be sent to the processor of device, processor has object proximity according to inductive signal determination, and call preset instructions, execute corresponding actions, it is close with respective objects.
Only support single side close to induction close to the device architecture of inducing function in the prior art, it is limited close to inducing function.
In order to solve the above technical problems, Fig. 2 shows a kind of schematic diagrames of the electronic device close for detecting object on the one hand provided according to the application, wherein, the electronic device includes: first panel 100, second panel 200 and sensing device 300, wherein, sensing device 300 includes: ballistic device 301, sensor devices 302, the first light-guiding pillar 303, the first optical path adjustment layer 304, the second light-guiding pillar 305 and the second optical path adjustment layer 306.
In some embodiments, the electronic device can be mobile phone (also known as smart phone), tablet computer (Tablet Personal Computer), personal digital assistant (personal digital assistant, abbreviation PDA), E-book reader (English: e-book reader), wearable device or virtual reality interactive device (Virtual Reality Interactive Device) etc..
In some embodiments, the electronic device further includes the first panel 100 and the second panel 200 being oppositely arranged, and can be display panel or shell in first panel 100 and second panel 200.
For using mobile phone as electronic device, some mobile phones use single screen display mode, such as first panel 100 to have touching display screen, and second panel 200 is mobile phone battery cover.In some embodiments, mobile phone uses shuangping san mode, i.e. first panel and second panel all has display panel, and display panel can be touching display screen, non-touch-control display screen etc., display mode can be liquid crystal display formula or ink display type etc..
Fig. 3 shows the front schematic view of the electronic device provided according to some embodiments, and Fig. 4 shows the diagrammatic cross-section of the electronic device provided according to some embodiments.There is touch-control viewing area 101 and non-touch-control viewing area 102 in the first panel 100, sensing device 300 is set between first panel 100 and second panel 200 (shown in Fig. 2), preferably, it is arranged side by side in non-touch-control viewing area 102, such as the region at the top of electronic device, avoid touch control operation interference close to detection.If the second panel 200 also has touch-control viewing area and non-touch-control viewing area, sensing device 300 is similarly provided at the non-touch-control viewing area of the second panel 200.
In some embodiments, the detection light is infrared acquisition light, and the ballistic device 301 is light emitting diode, described to experience device 302 and can be light-sensitive element (such as photo resistance).
With continued reference to Fig. 2, the ballistic device 301 is used for emission detection light, the sensor devices 302 are the light for the reflection of object 402 that the detection light passes through the object 401 close to the first panel 100 of the electronic device and/or the second panel 200 close to the electronic device for receiving reflected light, the reflected light.
First light-guiding pillar 303 is set on the light-path of the detection light;The first optical path adjustment layer 304 is set on first light-guiding pillar 303, for changing the direction of the part detection light, to project from the second panel 200;Second light-guiding pillar 305 is set on the light-path of the reflected light;The second optical path adjustment layer 306 is set on second light-guiding pillar 305, for changing the direction of the reflected light reflected through the object 402 close to the second panel 200, to reach the sensor devices 302.
First light-guiding pillar 303 is used to carry out leaded light to detection light, and with the property gathered of raising detection light conduction, second light-guiding pillar 305 is used for reflected light progress leaded light, to improve the property gathered of detection light conduction.(such as the first light-guiding pillar 303 is adjusted by adjusting the light-conductive rate of the first light-guiding pillar 303 and the second light-guiding pillar 305 Or second light-guiding pillar 305 doping material, even adjustment the first light-guiding pillar 303 and the second light-guiding pillar 305 in different zones doping material adjust light-conductive rate), can adjust separately from first panel 100 issue and from second panel 200 issue detection light light quantity, from first panel 100 it is received and from second panel 200 issue reflected light light quantity.
The first panel 100 includes the first guide-lighting window 307 and the second guide-lighting window 308, the second panel 200 includes third leaded light window 309 and the 4th guide-lighting window 310, described first guide-lighting window 307 is opposite with 303 position of the first light-guiding pillar, described second guide-lighting window 308 is opposite with 305 position of the second light-guiding pillar, the third leaded light window 309 is opposite with first light-guiding pillar 303, described 4th guide-lighting window 310 is opposite with second light-guiding pillar 305, so that reflected light is projected through the described first guide-lighting window 307 and the third leaded light window 309, and reflected light is through the described second guide-lighting window 308 and the 4th guide-lighting window 310 from the second light-guiding pillar 305 through injecting.
On position corresponding with first light-guiding pillar 303, there is the first guide-lighting window 307, on position corresponding with second light-guiding pillar 305 in the first panel 100, the first panel 100 has the second guide-lighting window 308, on position corresponding with first light-guiding pillar 303, there is third leaded light window 309, on position corresponding with the second light-guiding pillar 305 in the second panel 200, there is the 4th guide-lighting window 310 in the second panel.
The detection light F1 of a part that the ballistic device 301 issues is through first light-guiding pillar 303 and the first guide-lighting window 307, it is projected from the first panel 100, when there is object 401 close, it detects light F1 and forms reflected light F2 after the object 401 reflection, reflected light F2 enters through the described second guide-lighting window 308, after second light-guiding pillar 305, the sensor devices 302 receive the reflected light F2;The reflected light F3 of a part that the ballistic device 301 issues is after the first optical path adjustment layer 304 changes optical path, through first light-guiding pillar 303 and the third leaded light window 309, it is projected from the second panel 200, when there is object 402 close, it detects light F3 and forms reflected light F4 after the object 402 reflection, reflected light F4 enters through the described 4th guide-lighting window 310, through second light-guiding pillar 305, and changing optical path through the second optical path adjustment layer 305, the sensor devices 302 receive the reflected light F4.
In some embodiments, can be transparent on 101 surface of touch display area of electronic device in conjunction with Fig. 2 and Fig. 3, non-touch-control display area 102 can be blocked by having coloured coating, and each is led Light window (307~310) has the coating that can conduct detection light.
In some embodiments, the detection light is infrared acquisition light, coating on ballistic device 301 can be invisible but can penetrate infrared acquisition light (the guide-lighting window above transmitter is invisible), to reduce the loss of the detection light of ballistic device 301, sensor devices 302 can be transparent by the coating on guide-lighting window, to receive reflected light, also, reduction visibility window can also further increase electronic device overall aesthetic degree.
Correspondingly guide-lighting window can be effectively passed through to ensure to detect light or reflected light, reduce light loss, the opening size that the guide-lighting window can be set is less than and the size of the corresponding light-guiding pillar corresponding region, the diameter H1 of i.e. first guide-lighting window 307 is less than the sectional dimension H1 ' of the first adjacent light-guiding pillar 303, the diameter H2 of second guide-lighting window 308 is less than the sectional dimension H2 ' of the second adjacent light-guiding pillar 305, the diameter H3 of third leaded light window 309 is less than the sectional dimension H3 ' of the first adjacent light-guiding pillar 303, the diameter H4 of 4th guide-lighting window 310 is less than the sectional dimension H4 ' of the second adjacent light-guiding pillar 395.
The first optical path adjustment layer 304 is for changing the direction of the part detection light to issue through the described second guide-lighting window 309, the direction for the reflected light that the second optical path adjustment layer 306 reflects for changing the object 401 of warp close to the second panel 200, to reach the sensor devices 306.
Fig. 5 shows the structural schematic diagram of the first optical path adjustment layer 304 provided according to some embodiments, in some embodiments, the first optical path adjustment layer 304 includes the first reflecting layer 304a and first refractive layer 304b, and the first refractive layer 304a is set between first light-guiding pillar 303 and the first reflecting layer 304b.In some embodiments, the first reflecting layer 304a is silver coating, and the first refractive layer 304b is resin layer, such as PET (polyethylene terephthalate, polyester resin).
By adjusting the sawtooth angle of the first refractive layer 304a, the optical path of adjustable detection light can further adjust the light quantity for projecting detection light by adjusting the refractive index of the first refractive layer 304a.
In some embodiments, the second optical path adjustment layer 306 includes the second reflecting layer and the second refracting layer, and second refracting layer is set between second light-guiding pillar and second reflecting layer.
In some embodiments, second reflecting layer is silver coating, and second refracting layer is resin layer, such as PET (polyethylene terephthalate, polyester resin).The structure and material in second reflecting layer refer to the structure and material in first reflecting layer, and the structure and material of second refracting layer refer to the structure and material in first reflecting layer.Similarly, by adjusting the sawtooth angle of second refracting layer, The optical path of adjustable reflected light, by adjusting the light-conductive rate of second refracting layer, can further adjust received reflected light light quantity.
In some embodiments, with continued reference to Fig. 2, the electronic device further includes circuit board 311 and processor (not shown), the processor can be connect by electric wire with circuit board 311, it can also include light shielding plate 312, wherein, the circuit board 311 is set between the first panel 100 and the second panel 200, and the ballistic device 301 and the sensor devices 302 are disposed adjacent on the circuit board 311;Circuit board 311 it is received by sensor devices 302 by its conversion of received reflected light electric signal, the electric signal is sent to processor by circuit board 311, the processor receives and analyzes the light quantity of the reflected light of the circuit board, to judge whether there is electronic device described in object proximity, and determination has object proximity first panel, there is object proximity second panel still while having object respectively close to first panel 100 and second panel 200, the light shielding plate 312 is set in the space between the first panel 100 and the second panel 200, and it is set to around the ballistic device 301, around the sensor devices 302 and between the ballistic device 301 and the sensor devices 302, to shield the interference light to the ballistic device and sensor devices, the barricade 31 2 can be fixed between the first panel 100 and the second panel 200 by shading glue.
In order to distinguish the sensor devices 302 received light be reflected light or second panel 200 through first panel 100 reflected light, or both reflect reflected light simultaneously.In some embodiments, first light-guiding pillar 303, the first optical path adjustment layer 304, second light-guiding pillar 305 and the second adjustment layer 306 light-conductive rate meet: the sensor devices 302 institute it is received through close to the second panel 200 object reflect the reflected light light quantity maximum value be less than it is received warp close to the first panel 100 object 401 reflection the reflected light light quantity minimum value;And the sensor devices 302 the received reflected light through the object 401 close to the first panel 100 light quantity maximum value be less than, the light quantity minimum value of the reflected light that reflects through the received object 401 close to the second panel 200 of institute and warp are close to the sum of light quantity minimum value of the reflected light of the reflection of object 401 of the first panel 100.
By adjusting the adjustable light-conductive rate for realizing each layer of material of first light-guiding pillar 303, the first optical path adjustment layer 304, second light-guiding pillar 305 and the second adjustment layer 306, to meet above-mentioned condition.
In conjunction with Fig. 6, using electronic device described in aforementioned some embodiments, the close process of detection object is such as Under:
The electronic device includes: first panel and second panel, ballistic device and sensor devices, the first light-guiding pillar, the first optical path adjustment layer, the second light-guiding pillar, the second optical path adjustment layer;
Firstly, in step 501, the ballistic device emission detection light, part detection light is projected through first light-guiding pillar from the first panel, part detection light adjusts optical path through the first optical path adjustment layer and projects through first light-guiding pillar from the second panel;
Then, in step 502, the sensor devices receive the reflected light reflected when having object proximity, and the reflected light includes entering from first panel and the reflected light through first light-guiding pillar and entering from second panel and the reflected light through the second optical path adjustment layer and the second light-guiding pillar;
Then, in step 503, electronic device detection sensor devices received reflected light light quantity, the light-quantity range where the light quantity of the reflected light, it determines whether object proximity, and determines the object close first panel and/or the second panel when having object proximity.
Wherein, in step 503, electronic device handles the received reflected light of institute, and the light quantity in response to detecting the reflected light is in the first light-quantity range, determination has first panel described in object proximity, wherein, first light-quantity range is the range between the light quantity minimum value and maximum value of the reflected light reflected through the object close to the first panel;In response to detecting the light quantity of the reflected light in the second light-quantity range, determination has second panel described in object proximity, wherein, second light-quantity range is the range between the light quantity minimum value and maximum value of the reflected light reflected through the object close to the second panel;In response to detecting the light quantity of the reflected light in third light-quantity range, determination has first panel described in object proximity and has second panel described in object proximity, wherein, the third light-quantity range is the light quantity minimum value of the reflected light reflected through the object close to the first panel and the sum of the light quantity minimum value of the reflected light through the object reflection close to the second panel, range between the sum of the light quantity maximum value of the reflected light through the object reflection close to the first panel and the light quantity maximum value of the reflected light reflected through the object close to the second panel;Wherein, through close to the second panel object reflection the reflected light light quantity maximum value be less than through close to the first panel object reflect the reflected light light quantity minimum value, and through close to the first panel object the reflected light light quantity maximum value be less than, through close to the second panel object reflect the reflected light light quantity minimum value with warp close to the first panel object reflection the reflection The sum of light quantity minimum value of light.
In conjunction with Fig. 2, when there is no first panel 100 described in object and second panel 200, almost without reflected light, therefore, sensor devices 302 received reflected light light quantity it is almost nil, it is L from the first light-quantity range of the received reflected light in 100 direction of first panel when there is first panel 100 described in object proximity11~L12(wherein, L11<L12), it is L from the second light-quantity range of the received reflected light in 100 direction of second panel when there is second panel 200 described in object proximity21~L22(wherein, L21<L22), when having object while close to the first panel 100 and second panel 200, then received reflected light third light-quantity range are as follows: (L21+L11)~(L22+L12).Close to optical device closer to front, so the light quantity of the reflected light of the reflection at the back side is less than the close light quantity in front, it is two-sided while when having object proximity, the close light quantity of light amount ratio single side is big, by pre-adjusting the light-conductive rate of the first light-guiding pillar, the first optical path adjustment layer, the second light-guiding pillar and the second optical path adjustment layer, make L12<L21, and L22<(L21+L11), it is overlapped the first light-quantity range, the second light-quantity range and third light-quantity range not.
Sensor devices can according to the light quantity of received reflected light determine whether object proximity, which and fallen in light-quantity range according to light quantity, it determines whether object proximity, and determines the object close first panel and/or the second panel when having object proximity.
In a concrete scene embodiment, by adjusting each structure light-conductive rate, the first light-quantity range is set as L11~L12For (800~1000uw/cm2), the second light-quantity range is L21~L22For (250~400uw/cm2), third light-quantity range is (L21+L11)~(L22+L12) it is (1050~1400uw/cm2)。
When the light quantity that sensor devices receive is L, such as work as L=300uw/cm2, the second light-quantity range is fallen in, then judges that second panel 200 has object proximity;Such as work as L=900uw/cm2, the first light-quantity range is fallen in, then judges there is object proximity in first panel 100;For example work as L=1200uw/cm again2, third light-quantity range is fallen in, then judges in first panel 100 and second panel 200 while having object proximity.
The electronic device close for detecting object provided according to some embodiments, by using a ballistic device and sensor devices, pass through the optical path direction of first light-guiding pillar and the first optical path adjustment layer adjustment detection light, detection light is set to project respectively from first panel and second panel, pass through the optical path direction of first light-guiding pillar and the first optical path adjustment layer adjustment adjustment reflected light, the reflected light of the object close to first panel and the object reflection close to second panel can be received, it can be achieved that electronic device front and back sides can all be realized Close to inducing function.
The electronic device realizes colleague of the two-sided induction close to function, effectively save cost, saving cloth plate suqare, reduction device inside layout complexity close to optical device (ballistic device and sensor devices) using same set of.
Simultaneously, by adjusting the reflectivity and refractive index of the size, the first optical path adjustment layer and the second optical path adjustment layer of each window on the light-conductive rate of light-guiding pillar, panel, determine the light-quantity range of different reflected lights, to obtain can lock received reflected light light quantity determine whether object proximity and it is close be first panel and/or second panel.
In some embodiments, it can reduce the power consumption of unused one side by two-sided close to function applied to the electronic device with dual-display panel and miss touching rate.
In conclusion the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although referring to above-described embodiment, invention is explained in detail, those skilled in the art should understand that: it can still modify to technical solution documented by the various embodiments described above or equivalent replacement of some of the technical features;And these are modified or replaceed, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.

Claims (12)

  1. A kind of electronic device close for detecting object, wherein the electronic device includes:
    First panel and second panel, the first panel and the second panel are set to the opposing sides of electronic device;
    Ballistic device and sensor devices, it is set between the first panel and the second panel and both faces towards the first panel, the ballistic device is used for emission detection light, the sensor devices are the light for the object reflection that the detection light passes through the object close to the first panel of the electronic device and/or the second panel close to the electronic device for receiving reflected light, the reflected light;
    First light-guiding pillar is set on the light-path of the detection light;
    First optical path adjustment layer is set on first light-guiding pillar, for changing the direction of the part detection light, to project from the second panel;
    Second light-guiding pillar is set on the light-path of the reflected light;
    Second optical path adjustment layer is set on second light-guiding pillar, for changing the direction of the reflected light reflected through the object close to the second panel, to reach the sensor devices.
  2. Electronic device according to claim 1, wherein, the first panel includes the first guide-lighting window and the second guide-lighting window, the second panel includes third leaded light window and the 4th guide-lighting window, described first guide-lighting window is opposite with first light-guiding pillar position, described second guide-lighting window is opposite with second light-guiding pillar position, and the third leaded light window is opposite with first light-guiding pillar position, and the described 4th guide-lighting window is opposite with second light-guiding pillar position.
  3. Electronic device according to claim 2, wherein, the window size of described first guide-lighting window is less than the sectional dimension with the relative position of first light-guiding pillar, the window size of described second guide-lighting window is less than the sectional dimension of second light-guiding pillar adjacent thereto, the window size of the third leaded light window is less than the sectional dimension with the relative position of first light-guiding pillar, and the window size of the described 4th guide-lighting window is less than the sectional dimension with the relative position of second light-guiding pillar.
  4. Electronic device according to any one of claim 1 to 3, wherein the first optical path adjustment layer includes: the first reflecting layer and first refractive layer, and the first refractive layer is set to described first and leads Between light beam and first reflecting layer;
    The second optical path adjustment layer includes: the second reflecting layer and the second refracting layer, and second refracting layer is set between second light-guiding pillar and second reflecting layer.
  5. Electronic device according to claim 4, wherein first reflecting layer and second reflecting layer are silver coating, and the first refractive layer and second refracting layer are resin layer.
  6. Electronic device according to any one of claim 1 to 5, wherein, the light-conductive rate cooperation of first guide-lighting window and the second guide-lighting window, the window size of third leaded light window and the 4th guide-lighting window and first light-guiding pillar, the first optical path adjustment layer, second light-guiding pillar and the second adjustment layer meets:
    If jobbie close to the first light-quantity range of reflected light of the first panel, jobbie close to the second panel reflected light the second light-quantity range and dried object be not overlapped close to the range of the first panel and the third light-quantity range of the reflected light of second panel simultaneously.
  7. Electronic device according to any one of claim 1 to 6, the electronic device further include:
    Light shielding plate, it is set in the space between the first panel and the second panel, and be set to around the ballistic device, around the sensor devices and between the ballistic device and the sensor devices, to shield the interference light to the ballistic device and sensor devices;
    Circuit board is set in the space between the first panel and the second panel, and the ballistic device and the sensor devices are disposed adjacent on the circuit board;
    Processor receives the light quantity of the reflected light of the circuit board, according to received light quantity judge whether there is electronic device described in object proximity and close first panel and/or second panel.
  8. Electronic device according to any one of claim 1 to 7, wherein the first panel and the second panel are display panel.
  9. Electronic device according to any one of claim 1 to 7, wherein the first panel is display panel, and the second panel is shell.
  10. Electronic device according to any one of claim 1 to 9, wherein the detection light is infrared acquisition light, and the ballistic device is light emitting diode, and the sensor devices are light-sensitive element.
  11. It is a kind of close using electronic device detecting object described in any one of any one of claims 1 to 10 10 Method, wherein the described method includes:
    The ballistic device emission detection light is partially projected through first light-guiding pillar from the first panel, is partially adjusted optical path through the first optical path adjustment layer and is projected through first light-guiding pillar from the second panel;
    The sensor devices receive the reflected light reflected when having object proximity, and the reflected light includes entering from first panel and the reflected light through first light-guiding pillar and entering from second panel and the reflected light through the second optical path adjustment layer and the second light-guiding pillar;
    Detect the sensor devices received reflected light light quantity, the light-quantity range where the light quantity of the reflected light, it is determined whether have an object proximity, and determine the object close first panel and/or the second panel when having object proximity.
  12. According to the method for claim 11, wherein the method also includes:
    When in response to detecting that the light quantity of the reflected light is in the first light-quantity range, determination has first panel described in object proximity, wherein first light-quantity range is the light-quantity range of reflected light of the jobbie close to the first panel;
    When in response to detecting that the light quantity of the reflected light is in the second light-quantity range, determination has second panel described in object proximity, wherein second light-quantity range is the light-quantity range of reflected light of the jobbie close to the second panel;
    In response to detecting the light quantity of the reflected light in third light-quantity range, determination has first panel described in object proximity and has second panel described in object proximity, wherein, the third light-quantity range is multiple objects simultaneously close to the light-quantity range of the first panel and the reflected light of second panel.
CN201680090040.7A 2016-10-12 2016-10-12 Electronic device and method for detecting the approach of an object Active CN109804338B (en)

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