CN106686215A - Sensor component and mobile terminal - Google Patents
Sensor component and mobile terminal Download PDFInfo
- Publication number
- CN106686215A CN106686215A CN201611111621.2A CN201611111621A CN106686215A CN 106686215 A CN106686215 A CN 106686215A CN 201611111621 A CN201611111621 A CN 201611111621A CN 106686215 A CN106686215 A CN 106686215A
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- China
- Prior art keywords
- optical
- adhesive layer
- optical receiver
- transmitting set
- sensor cluster
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72454—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2250/00—Details of telephonic subscriber devices
- H04M2250/12—Details of telephonic subscriber devices including a sensor for measuring a physical value, e.g. temperature or motion
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Environmental & Geological Engineering (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
Abstract
The invention provides a sensor component and a mobile terminal. The sensor component comprises at least one light emitter and at least one light receiver. Each light emitter at least corresponds to one light receiver. Each light emitter has a light output surface used for outputting light signals, and the light signals are reflected by an obstacle to form reflected signals. Each light receiver has a light input surface used for receiving the corresponding reflected signals. The included angle between the light output surface and the light input surface on one side of the output light signals is smaller than 180 degrees. According to the mobile terminal provided by the invention, as the light output surface of each light emitter and the light input surface of the corresponding light receiver form an included angle smaller than 180 degrees, the number of light signals received by the light receivers can be improved, and the detection sensitivity can be improved.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of sensor cluster and mobile terminal.
Background technology
With developing rapidly for terminal technology, intelligent terminal increasingly popularizes, and becomes requisite in people's life and sets
It is standby.People can be by intelligent terminal's study, amusement etc..
In prior art, there is proximity transducer in mobile terminal.Proximity transducer is arranged on glass cover-plate lower section.It is close to
Sensor is used for judging it is also to be remote from state in proximity state between mobile terminal and exterior object.Proximity transducer includes
RF transmitter and infrared receiver.RF transmitter is to emission infrared ray, and the infrared ray is anti-through exterior object
Reflection light is formed after penetrating, infrared receiver receives the reflection light, then according to the intensity of reflection light for receiving come
Judge it is that proximity state is also remote from state between mobile terminal and exterior object.
In practical application, ink layer is provided with glass cover-plate.When RF transmitter is to emission infrared ray, there is portion
Dividend outside line can be entered in ink layer there is diffraction, and the optical signal for causing optical receiver to receive is less, causes proximity transducer
Sensitivity it is low.
The content of the invention
The embodiment of the present invention provides a kind of sensor cluster and mobile terminal, can improve the detection spirit of sensor cluster
Sensitivity.
The embodiment of the present invention provides a kind of sensor cluster, including an at least optical transmitting set and an at least optical receiver,
Each optical receiver at least corresponds to optical receiver described in；
Each optical transmitting set has the exiting surface for outgoing optical signal, and the optical signal is through obstacle reflection
Into reflected signal；
Each optical receiver have for receive correspondence reflected signal incidence surface, the exiting surface with it is described enter light
Angle of the angle in face in the side of outgoing optical signal is less than 180 degree.
The embodiment of the present invention provides a kind of mobile terminal, including cover plate, housing, display floater and sensor cluster；Institute
State sensor cluster to be arranged in the housing, the display floater is arranged on the housing, the cover plate is covered in described
On display floater；The sensor cluster is the sensor cluster described in any of the above-described.
From the foregoing, it will be observed that in the mobile terminal of the present embodiment offer, due to adopting the exiting surface and light-receiving of optical transmitting set
The incidence surface of device can improve the optical signal amount that optical receiver is received in an angle for being less than 180 degree, be conducive to improving detection
Sensitivity.
Description of the drawings
Fig. 1 is the structural representation of the mobile terminal in one embodiment of the present invention.
Fig. 2 is the structural representation of the cover plate assembly in one embodiment of the present invention.
Fig. 3 is a mounting structure schematic diagram of the first optical transmitting set in one embodiment of the present invention.
Fig. 4 is another mounting structure schematic diagram of the first optical transmitting set in one embodiment of the present invention.
Fig. 5 is a kind of mounting structure schematic diagram of the first optical receiver in one embodiment of the present invention.
Fig. 6 is the similar alternative arrangements schematic diagram of the first optical receiver in one embodiment of the present invention.
Fig. 7 is another kind of structural representation of the cover plate assembly in one embodiment of the present invention.
Fig. 8 is another structural representation of the cover plate assembly in one embodiment of the present invention.
Fig. 9 is the first structural representation of the sensor cluster in one embodiment of the present invention.
Figure 10 is a mounting structure schematic diagram of the second optical receiver in one embodiment of the present invention.
Figure 11 is another mounting structure schematic diagram of the second optical receiver in one embodiment of the present invention.
Figure 12 is second structural representation of the sensor cluster in one embodiment of the present invention.
Figure 13 is the third structural representation of the sensor cluster in one embodiment of the present invention.
Figure 14 is the 4th kind of structural representation of the sensor cluster in one embodiment of the present invention.
Figure 15 is the 5th kind of structural representation of the sensor cluster in one embodiment of the present invention.
Figure 16 is the 6th kind of structural representation of the sensor cluster in one embodiment of the present invention.
Figure 17 is a mounting structure schematic diagram of the second optical transmitting set device in one embodiment of the present invention.
Figure 18 is another mounting structure schematic diagram of the second optical transmitting set device in one embodiment of the present invention.
Specific embodiment
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio
Same or similar element is represented to same or similar label eventually or the element with same or like function.Below by ginseng
The embodiment for examining Description of Drawings is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In describing the invention, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise " is, based on orientation shown in the drawings or position relationship, to be for only for ease of
The description present invention and simplified description, rather than indicate or imply that the device or element of indication must have specific orientation, Yi Te
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.Additionally, term " first ", " second " are only used for
Description purpose, and it is not intended that indicating or implying relative importance or the implicit quantity for indicating indicated technical characteristic.
Thus, " first " is defined, one or more feature can be expressed or be implicitly included to the feature of " second ".
In description of the invention, " multiple " are meant that two or more, unless otherwise expressly limited specifically.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to be mechanically connected, or electrically connect or can mutually communicate；Can be joined directly together, it is also possible to by between intermediary
Connect connected, can be connection or the interaction relationship of two elements of two element internals.For the ordinary skill of this area
For personnel, above-mentioned term concrete meaning in the present invention can be as the case may be understood.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score
The first and second feature directly contacts can be included, it is also possible to be not directly contact but by it including the first and second features
Between other characterisation contact.And, fisrt feature second feature " on ", " top " and " above " include that first is special
Levy directly over second feature and oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " below " include fisrt feature immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the present invention.In order to
Simplify disclosure of the invention, hereinafter the part and setting of specific examples are described.Certainly, they are only merely illustrative, and
And purpose does not lie in the restriction present invention.Additionally, the present invention can in different examples repeat reference numerals and/or reference letter,
This repetition is for purposes of simplicity and clarity, between itself not indicating discussed various embodiments and/or arranging
Relation.Additionally, the invention provides various specific technique and material example, but those of ordinary skill in the art can be with
Recognize the application of other techniques and/or the use of other materials.
Fig. 1 is refer to, Fig. 1 is the structure chart of the mobile terminal 1 in one embodiment of the present invention, and the mobile terminal 1 can
Think the electronic equipments such as mobile phone, IPAD.The mobile terminal 1 includes housing 10, panel 20 and cover plate assembly 30.
The housing 10 is used to form the exterior contour of the mobile terminal 1 and installs miscellaneous part in the inner.
The panel 20 can be display floater, touch-control display panel etc..The panel 20 is installed on the housing 10.
Referring to Fig. 2, the cover plate assembly 30 includes sensor cluster 31 and cover plate 32, and the sensor cluster 31 sets
It is placed in housing 10, the panel 20 is arranged on the housing 10 and is connected with the housing 10, and the cover plate 32 is covered in the panel 20
On, to protect the panel 20.The cover plate 32 has non-display area 30a and viewing area with respect to 30b.Wherein, this is non-display
Region 30a is substantially white or other are light, and it can permeation parts black light and visible ray.The viewing area is with respect to 30b
It is transparent, the picture on panel 20 is presented to into user through the relative 30b in the viewing area in order to the mobile terminal 1.
In certain embodiments, the mobile terminal 1 also includes called device assembly, and corresponding, it is right to offer on the cover plate 32
The receiver hole 300 answered.
In certain embodiments, the mobile terminal 1 also includes fingerprint module 40, with the finger print information of user input user.
The sensor cluster 31 includes the first optical transmitting set 311, the first optical receiver 312, ambient light sensor 313, electricity
Road plate 314, the first supporting pad 315 and the second supporting pad 316.First optical transmitting set 311, the first optical receiver 312, ambient light
Sensor 313, circuit board 314, the first supporting pad 315 and the second supporting pad 316 may be contained within the circuit board 314, and first
Optical transmitting set 311, the first optical receiver 312, ambient light sensor 313 are electrically connected with the circuit board 314.Wherein, the circuit board
314 can also be that other are used to carry the loading plate of the optical transmitting set, optical receiver and ambient light sensor 313.For example, should
Loading plate can be base plate for packaging or circuit board.
Wherein, first optical transmitting set 311 has an exiting surface, and the wavelength that the exiting surface is used to send is more than 850nm's
Black light is using as the first light, such as infrared light.First light forms the first reflected light after the reflection of obstacle 70
Line.First optical receiver 312 has an incidence surface, and the incidence surface is used to receive the reflection light.The ambient light sensor 313
For detecting ambient brightness.
First optical transmitting set 311, the first optical receiver 312, ambient light sensor 313 are arranged at the electricity along a straight line
On road plate 314, it is sequentially not construed as limiting, if meet between first optical transmitting set 311 and first optical receiver 312 away from
From being maintained at predetermined value.
Wherein, first optical transmitting set 311 is arranged on the circuit board 314 by first supporting pad 315, and this first
Supporting pad 315 is arranged on the circuit board 314, and first optical transmitting set is arranged on first supporting pad 315.First light connects
Receive device 312 to be arranged at by second supporting pad 316 on the circuit board 314, second supporting pad 316 is arranged at the circuit board
On 314, first optical receiver 312 is arranged on second supporting pad 316.So that first optical transmitting set 311 goes out light
Angle of the angle of face and the incidence surface of the first optical receiver 312 in the side of outgoing optical signal is P, and angle P is less than 180
Degree.During practical application, the scope of angle P is between 110 degree to 145 degree.
Wherein, as shown in figure 3, first supporting pad 315 is substantially in the bulk that bottom surface is smooth, its top is oblique, from
And one first mounting surface 315a is formed at the skewed top, when first supporting pad 315 is installed on the circuit board 314 it
Afterwards, the first mounting surface 315a of first supporting pad 315 towards first optical receiver 312 side, and this first install
Face 315a is P with the angle of the circuit board 314.The one side relative with exiting surface of first optical transmitting set 311 adopts binding agent
It is bonded on first mounting surface 315a.
Or, as shown in figure 4, the top of first supporting pad 315 offers one first mounting groove 315b, first installation
Groove 315 has a first mounting surface 315a towards the side of the first optical receiver 312, and first optical transmitting set 311 fixes peace
In loaded on first mounting groove 315b, also, the one side relative with the exiting surface of first optical transmitting set 311 and first peace
Dress face 315a fits, and bonds.
Wherein, as shown in figure 5, second supporting pad 316 is substantially in the bulk that bottom surface is smooth, its top is oblique,
So as to form one second mounting surface 316a at the skewed top, when second supporting pad 316 is installed on the circuit board 314
Afterwards, the second mounting surface 316a of second supporting pad 316 towards first optical transmitting set 311 side, and this second peace
Dress face 316a is P with the angle of the circuit board 314.The one side relative with exiting surface of first optical receiver 312 is using bonding
Agent is bonded on second mounting surface 316a.
Or as shown in fig. 6, the top of second supporting pad 316 offers one second mounting groove 316b, this second is installed
Groove 316 has a second mounting surface 316a towards the side of the first optical transmitting set 311, and first optical receiver 312 fixes peace
In loaded on second mounting groove 316b, also, the one side relative with the exiting surface of first optical receiver 312 and second peace
Dress face 316a fits, and bonds.
In further embodiments, as shown in fig. 7, in this embodiment it is possible to dispense first supporting pad 315, should
First optical transmitting set 311 to be mounted directly on the circuit board 314, and its exiting surface is basically parallel to the circuit board 314, only with
Second supporting pad 316 inclines the incidence surface of first optical receiver 312 towards the side of first optical transmitting set 311, and
Form angle P.
In further embodiments, as shown in figure 8, in this embodiment it is possible to dispense second supporting pad 316, should
First optical receiver 312 to be mounted directly on the circuit board 314, and its incidence surface is basically parallel to the circuit board 314, only with
First supporting pad 315 inclines the exiting surface of first optical transmitting set 311 towards the side of first optical receiver 312, and
Form angle P.
Fig. 2 is continued referring to, the cover plate 32 includes cover board body 321, the first adhesive layer 322 and the second adhesive layer 323.
The non-display area 30a of the cover plate 32 is covered on the non-display position of panel 20, and the viewing area 30b of the cover plate 32 is covered in
On the display area of panel 20.First adhesive layer 322 is arranged at the one of the direction of the cover board body 321 sensor cluster 31
Face is simultaneously located at non-display area 30a, and second adhesive layer 323 is arranged on first adhesive layer 322.
The cover board body 321 is made using transparent material, and for example, the cover board body 321 is glass cover-plate.Cover board body
321 can also be with glass cover-plates made by material such as sapphires.First adhesive layer 322 is completely covered second attachment
Layer 323.The setting of the adhesive layer 323 of the first adhesive layer 322 and second with reach the inner structural members of hiding mobile terminal 1 with
And second adhesive layer 323 effect.Even if obtaining user when the outside of cover board body 321 is observed, it is only capable of seeing the first adhesive layer
322, and the second adhesive layer 323 is cannot see that, the outer surface that is to say makes cover plate 32 is shown as the first adhesive layer 322, and hidden
Hide second adhesive layer 323.
Absorbance of the absorbance of the first adhesive layer 322 more than the second adhesive layer 323.
For example, the absorbance of the first adhesive layer 322 can be 80% or more than 80%, the absorbance of the second adhesive layer 323
Can be 10% or less than 10%.In practical application, the first adhesive layer 322 can be referred to as transmission layer, for through most of
Signal.Second adhesive layer 323 can be referred to as barrier bed, for blocking most of signal.
In practical application, the second adhesive layer 323 is used to hide the internal structure of mobile terminal 1, so that from cover board body
321 outsides cannot see mobile terminal 1 internal structure, to realize the aesthetic of the globality of mobile terminal 1.
Wherein, the first adhesive layer 322 can be white ink layer, and the second adhesive layer 323 can be black ink layer.When
So, white ink layer and black ink layer are only for example, and the adhesive layer 323 of the first adhesive layer 322 and second can also be according to not
Same aesthetic requirements are designed to other colors, as long as the absorbance of first adhesive layer 322 is saturating more than second adhesive layer 323
Penetrate rate.Wherein, the ink layer of white ink layer, black ink layer or other colors can be by spraying or typography
To make.
First adhesive layer 322 is multilamellar, and the second adhesive layer 323 is monolayer or multilamellar.For example, the first adhesive layer 322 is wrapped
Three sublayers 3221 are included, three sublayers 3221 are overlapped successively.
Or, the first adhesive layer 322 can be monolayer, and the second adhesive layer 323 is monolayer.
Fig. 2 is continued referring to, the second adhesive layer 323 can include first area 323A and second area 323B.This first
Region 323A can be understood as the part that second adhesive layer 323 overlaps each other with first adhesive layer 322, the second area
323B can be understood as second adhesive layer 323 and the underlapped part of first adhesive layer 321.The transmission of first area 323A
Rate more than second area 323B absorbance so that signal can pass through successively first area 323A, the first adhesive layer 322,
Cover board body 321, and pass through cover board body 321, the first adhesive layer 322 and the firstth area successively Jing after outer barrier 70 reflects
Domain 323A.
Wherein, the first adhesive layer 32 covers the first area 323A of the second adhesive layer 323, so that from outside mobile terminal 1
Portion cannot see first area 323A.
In certain embodiments, when the second adhesive layer 323 is black ink layer, can be to the black of first area 323A
Ink carries out being processed so that the absorbance of the absorbance more than second area 323B in the region.
In certain embodiments, the through hole that first area 323A can go out for the boundary definition of second area 323B, this
When the region absorbance be 100%, the first adhesive layer 322 cover the through hole.In certain embodiments, can be in first area
Filling in the through hole of 323A is available for the material that signal is passed through.
In certain embodiments, first area 323A includes the first subregion 3231A and the second subregion 3232A.
For example in fig. 2, the first subregion 3231A and first optical transmitting set 311 and the phase of ambient light sensor 313
Right, first optical receiver 312 is relative more than second subregion 3232A.The first subregion 3231A and the second subregion
3232A is respectively the through hole gone out by the boundary definition of second area 323B.
During work, first optical transmitting set 311 sends the first optical signal, and first optical signal sequentially passes through second attachment
The first area 323a of layer 323, the first adhesive layer 322 and the cover board body 321, and through stopping after external environment is injected
Thing 70 forms the first reflected signal after reflecting, and first reflected signal sequentially passes through the cover board body 321, the first adhesive layer 322
And after the 323a of first area, received by first optical receiver 312, and the corresponding signal of telecommunication is converted to, the basis of circuit board 314
The signal of telecommunication judges that mobile terminal 1 is that the close obstacle 70 is also remote from the obstacle 70.If the signal of telecommunication is more than a threshold
Value then judges the close obstacle 70 of the mobile terminal 1, if the signal of telecommunication be less than the threshold value if judge the mobile terminal away from
The obstacle 70, the threshold value can draw according to pre-trial.
Fig. 9 is refer to, in other embodiments of the sensor cluster 31, the sensor cluster 31 is sent out including the first light
Emitter 311, the first optical receiver 312, ambient light sensor 313, circuit board 314, the first supporting pad 315, the second supporting pad
316th, the second optical receiver 317 and the 3rd supporting pad 318.First optical transmitting set 311, the first optical receiver 312, ambient light are passed
Sensor 313, the first supporting pad 315, the second supporting pad 316, the second optical receiver 317 and the 3rd supporting pad 318 may be contained within
On the circuit board 314.First optical transmitting set 311, the first optical receiver 312, ambient light sensor 313, the second optical receiver
317 electrically connect with the circuit board 314.Wherein, first optical receiver 312 is little with the distance between the first optical transmitting set 311
In the distance between second optical receiver 317 and first optical transmitting set 311.
The ambient light sensor 313, the first optical transmitting set 311, the second optical receiver 317, the first optical receiver 312 are successively
Along a linear array.Certainly, the being adapted to property of position of the ambient light sensor 313 changes.
Wherein, first optical transmitting set 311 has an exiting surface, and the wavelength that the exiting surface is used to send is more than 850nm's
Black light is using as the first light, such as infrared light.First light forms the first reflected light after the reflection of obstacle 70
Line and the second reflection light.First optical receiver 312 has an incidence surface, and the incidence surface is used to receive first reflected light
Line.The ambient light sensor 313 is used to detect ambient brightness.Second optical receiver 317 has an incidence surface, for receiving this
Second reflection light.
Wherein, first optical transmitting set 311 is arranged on the circuit board 314 by first supporting pad 315, and this first
Supporting pad 315 is arranged on the circuit board 314, and first optical transmitting set is arranged on first supporting pad 315.First light connects
Receive device 312 to be arranged at by second supporting pad 316 on the circuit board 314, second supporting pad 316 is arranged at the circuit board
On 314, first optical receiver 312 is arranged on second supporting pad 316.So that first optical transmitting set 311 goes out light
Angle of the angle of face and the incidence surface of the first optical receiver 312 in the side of outgoing optical signal is P, and angle P is less than 180
Degree.During practical application, the scope of angle P is between 110 degree to 145 degree.Wherein, the structure of first supporting pad 315 with it is upper
The structure for stating the first supporting pad 315 in embodiment is identical, therefore does not repeat.The structure of second supporting pad 316 and above-mentioned enforcement
The structure of the second supporting pad 316 in example is identical, therefore does not repeat.
Second optical receiver 317 is arranged on the circuit board 314 by the 3rd supporting pad 318, and the 3rd supports
Pad 318 is arranged on the circuit board 314, and second optical receiver 317 is arranged on the 3rd supporting pad 318, so that should
Obtain the folder of the exiting surface of the first optical transmitting set 311 and the angle of the incidence surface of the second optical receiver 317 in the side of outgoing optical signal
Angle is also P, and angle P is less than 180 degree.During practical application, the scope of angle P is between 110 degree to 145 degree.
Wherein, as shown in Figure 10, the 3rd supporting pad 318 is substantially in the bulk that bottom surface is smooth, and its top is oblique, from
And one the 3rd mounting surface 318a is formed at the skewed top, when the 3rd supporting pad 318 is installed on the circuit board 314 it
Afterwards, the 3rd mounting surface 318a of the 3rd supporting pad 318 towards first optical transmitting set 311 side, and the 3rd install
Face 318a is P with the angle of the circuit board 314.The one side relative with incidence surface of second optical receiver 317 adopts binding agent
It is bonded on the 3rd mounting surface 318a.
Or as shown in figure 11, the top of the 3rd supporting pad 318 offers one the 3rd mounting groove 318b, and the 3rd installs
Groove 318b has a 3rd mounting surface 318a towards the side of the first optical transmitting set 311, and second optical receiver 317 fixes peace
In loaded on the 3rd mounting groove 318b, also, the one side relative with the exiting surface of second optical receiver 317 and the 3rd peace
Dress face 318b fits, and bonds.
As shown in figure 12, itself and the difference in Fig. 9 are to have dispensed the 3rd supporting pad 318, second optical receiver
317 are directly arranged on the circuit board 314, so that the incidence surface of second optical receiver 317 is parallel to the circuit board
314。
Or as shown in figure 13, its with Fig. 9 in the difference of sensor cluster 31 be that it has dispensed the 3rd supporting pad
318 and second supporting pad 316, the optical receiver 317 of the first optical receiver 312 and second is directly arranged at the circuit board
On 314, so that the incidence surface of the first optical receiver 312 and the second optical receiver 317 is each parallel to the circuit board 314.
Or as shown in figure 14, its with Fig. 9 in the difference of sensor cluster 31 be, in the sensor group shown in Figure 12
In part 31, the first supporting pad 315 is eliminated.First optical transmitting set 311 is directly arranged on the circuit board 314 so that this
The exiting surface of one optical transmitting set 311 is parallel to the circuit board 314.Also, in the present embodiment, also changed to putting in order
Become, it is adopted the ambient light sensor 313, the first optical receiver 311, the second optical transmitting set 317 and the first optical receiver
312 successively along a linear array.
Or as shown in figure 15, its with Fig. 9 in the difference of sensor cluster 31 be, in the sensor group shown in Figure 15
In part 31, the first supporting pad 315 is eliminated.First optical transmitting set 311 is directly arranged on the circuit board 314 so that this
The exiting surface of one optical transmitting set 311 is parallel to the circuit board 314.
During work, the circuit board 314 controls first optical transmitting set 311 and sends optical signal, and the optical signal is through obstacle
70 reflect to form the first reflection light and the second reflection light, and first optical receiver is received after first reflection light
First signal of telecommunication is generated, second optical receiver to be received and generate second signal of telecommunication after second reflection light.The circuit board
According to first signal of telecommunication and second signal of telecommunication judge the mobile terminal 1 equivalent to obstacle 70 close to or away from shape
State, and when in proximity state, the display floater for controlling mobile terminal puts out screen, and when in away from state display surface is controlled
Plate bright screen.
In further embodiments, as shown in figure 16, the sensor cluster 31 includes the first optical transmitting set 311, the first light
Receptor 312, ambient light sensor 313, circuit board 314, the first supporting pad 315, the second supporting pad 316, the second optical transmitting set
319 and the 4th supporting pad 320.First optical transmitting set 311, the first optical receiver 312, ambient light sensor 313, first are supported
Pad 315, the second supporting pad 316, the second optical transmitting set 319 and the 4th supporting pad 320 may be contained within the circuit board 314, and first
Optical transmitting set 311, the first optical receiver 312, the optical transmitting set 319 of ambient light sensor 313 and second with the circuit board 314
Electrical connection.
Wherein, first optical transmitting set 311 has an exiting surface, and the wavelength that the exiting surface is used to send is more than 850nm's
Black light is using as the first light, such as infrared light.First light forms the first reflected light after the reflection of obstacle 70
Line.First optical receiver 312 has an incidence surface, and the incidence surface is used to receive the reflection light.The ambient light sensor 313
For detecting ambient brightness.Second optical transmitting set has an exiting surface, and the wavelength that the exiting surface is used to send is more than 850nm
Black light using as the second light, such as infrared light.Second light forms the 3rd reflected light after obstacle reflection
Line.
The ambient light sensor 313, the first optical transmitting set 311, the second optical transmitting set 319 and the first optical receiver 312
Successively along a straight line spread configuration.Wherein, the position of the ambient light sensor 313 can carry out adaptive variation.This
The distance between one optical transmitting set 311 and first optical receiver 312 are more than second optical transmitting set 319 and first light-receiving
The distance between device 312.
As shown in figure 17, the 4th supporting pad 320 is substantially in the smooth bulk in bottom surface, and its top is oblique, so as to
One the 4th mounting surface 320a is formed on the skewed top, after the 4th supporting pad 320 is installed on the circuit board 314,
4th mounting surface 320a of the 4th supporting pad 320 towards first optical receiver 312 side, and the 4th mounting surface
320a is P with the angle of the circuit board 314.The one side relative with incidence surface of second optical transmitting set 319 is viscous using binding agent
Tie on the 4th mounting surface 320a.
Or as shown in figure 18, the top of the 4th supporting pad 320 offers one the 4th mounting groove 320b, and the 4th installs
Groove 320b has a 4th mounting surface 320a towards the side of the first optical receiver 312, and second optical transmitting set 319 fixes peace
In loaded on the 4th mounting groove 320b, also, the one side relative with the exiting surface of second optical transmitting set 319 and the 4th peace
Dress face 320b fits, and bonds.
It is to be appreciated that in the sensor cluster 31 shown in the Figure 16, the first supporting pad 315, second can be supported
One or two supporting pad in the supporting pad 320 of pad 316 and the 4th is omitted, so that the light being installed on the supporting pad is sent out
Emitter or optical receiver are directly mounted on circuit board 314.
During work, the circuit board 314 controls first optical transmitting set 311 and sends the first optical signal, first optical signal Jing
Cross obstacle and reflect to form the first reflected signal；Control second optical transmitting set 319 and send the second optical signal, second optical signal
The 3rd reflected signal is reflected to form through obstacle；First optical receiver 319 receives first reflected signal and second
The corresponding signal of telecommunication is generated after reflected signal, the circuit board 314 judges that the mobile terminal is to be close to or remote according to the signal of telecommunication
From the obstacle.
In sum, in the mobile terminal that the present invention is provided, due to adopting the exiting surface and light-receiving of optical transmitting set
The incidence surface of device can improve the optical signal amount that optical receiver is received in an angle for being less than 180 degree, be conducive to improving detection
Sensitivity.
For example, when the exiting surface of the optical transmitting set is inclined towards the optical receiver side, that is to say in optical transmitting set
During lower setting supporting pad, effective emittance of optical signal can be increased, be conducive to improving the reflected signal that optical receiver is received
Intensity；When the incidence surface of the optical receiver is inclined towards the optical transmitting set side, that is to say and arranged under optical receiver
During supporting pad, the reception amount of reflected signal can be increased, and then the intensity of the reflected signal that optical receiver is received can be improved；
So as to the detection sensitivity that can improve sensor cluster.
In the description of this specification, reference term " embodiment ", " some embodiments ", " schematically enforcement
The description of mode ", " example ", " specific example " or " some examples " etc. means to combine the embodiment or example describes
Specific features, structure, material or feature are contained at least one embodiment of the present invention or example.In this specification
In, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.And, the concrete spy of description
Levy, structure, material or feature can in an appropriate manner be combined in any one or more embodiments or example.
In sum, although the present invention it is disclosed above with preferred embodiment, but above preferred embodiment and be not used to limit
The system present invention, one of ordinary skill in the art without departing from the spirit and scope of the present invention, can make various changes and profit
Adorn, therefore protection scope of the present invention is defined by the scope that claim is defined.
Claims (16)
1. a kind of sensor cluster, it is characterised in that including an at least optical transmitting set and an at least optical receiver, it is each described
Optical receiver at least corresponds to optical receiver described in；
Each optical transmitting set has the exiting surface for outgoing optical signal, and the optical signal is reflected to form instead through obstacle
Penetrate signal；
Each optical receiver has the incidence surface for receiving correspondence reflected signal, the exiting surface and the incidence surface
Angle of the angle in the side of outgoing optical signal is less than 180 degree.
2. sensor cluster according to claim 1, it is characterised in that also including a loading plate, the optical transmitting set with
The optical receiver is mounted on the loading plate.
3. sensor cluster according to claim 2, it is characterised in that the loading plate is circuit board, the light transmitting
Device is electrically connected with the optical receiver with the circuit board.
4. the sensor cluster according to Claims 2 or 3, it is characterised in that also including one first supporting pad, described first
Supporting pad is installed on the loading plate；
The optical transmitting set is installed on first supporting pad and causes side of its exiting surface towards the optical receiver, described
The exiting surface of optical transmitting set is less than 180 degree with the loading plate in the angle for going out light side.
5. sensor cluster according to claim 4, it is characterised in that first supporting pad is provided with one first installation
Face, the angle of first mounting surface and the loading plate is less than 180 degree, the optical receiver it is relative with the exiting surface
Simultaneously fit with first mounting surface.
6. the sensor cluster according to any one of claim 2-5, it is characterised in that described also including the second supporting pad
Second supporting pad is installed on the loading plate；
The optical receiver is installed on second supporting pad and causes side of its incidence surface towards the optical transmitting set, described
The incidence surface of optical receiver is less than 180 degree with the loading plate in the angle for entering light side.
7. sensor cluster according to claim 6, it is characterised in that second supporting pad is provided with one second installation
Face, the angle of second mounting surface and the loading plate is less than 180 degree, the optical receiver it is relative with the incidence surface
Simultaneously fit with second mounting surface.
8. the sensor cluster according to any one of claim 1-7, it is characterised in that at least one optical transmitting set is
One optical transmitting set, at least one optical receiver is an optical receiver.
9. the sensor cluster according to any one of claim 1-7, it is characterised in that at least one optical transmitting set is
One optical transmitting set, at least one optical receiver is two optical receivers, the optical transmitting set and two optical receivers
Correspond to respectively.
10. the sensor cluster according to any one of claim 1-7, it is characterised in that at least one optical transmitting set
For two optical transmitting sets, at least one optical receiver is an optical receiver, described two optical transmitting sets respectively with the light
Receptor is corresponded to respectively.
11. sensor clusters according to any one of claim 1-10, it is characterised in that the exiting surface with it is described
The angle of incidence surface is 110 degree to 145 degree in the scope of the angle of the side of outgoing optical signal.
12. a kind of mobile terminals, it is characterised in that including cover plate, housing, display floater and sensor cluster；The sensing
Device assembly is arranged in the housing, and the display floater is arranged on the housing, and the cover plate is covered in the display surface
On plate；The sensor cluster is the sensor cluster described in any one of claim 1-11.
13. mobile terminals according to claim 12, it is characterised in that the cover plate includes cover board body, the first attachment
Layer and the second adhesive layer, the absorbance of first adhesive layer is more than the absorbance of second adhesive layer；Described first is attached
Layer to be arranged in the one side of the direction of the cover board body sensor cluster, second adhesive layer is arranged at described
On one adhesive layer；Second adhesive layer has first area and second area, and the absorbance of the first area is more than described
The absorbance of second area, first adhesive layer covers the first area of second adhesive layer, so that the cover plate
Outer surface be shown as first adhesive layer, and hide second adhesive layer；
The first area is relative with the sensor cluster so that the optical signal that the sensor cluster sends is attached through first
The first area of layer, and causes the optical signal to pass through first adhesive layer through the reflected signal that obstacle is reflected to form
First area.
14. mobile terminals according to claim 13, it is characterised in that the first area is the border circle of second area
The through hole made.
15. mobile terminals according to claim 13, it is characterised in that first adhesive layer and the second adhesive layer are equal
For ink layer.
16. mobile terminals according to claim 13, it is characterised in that first adhesive layer be white ink layer, institute
The second adhesive layer is stated for black ink layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611111621.2A CN106686215B (en) | 2016-12-06 | 2016-12-06 | Sensor assembly and mobile terminal |
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|---|---|---|---|
| CN201611111621.2A CN106686215B (en) | 2016-12-06 | 2016-12-06 | Sensor assembly and mobile terminal |
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| CN106686215B CN106686215B (en) | 2022-03-25 |
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| CN201611111621.2A Active CN106686215B (en) | 2016-12-06 | 2016-12-06 | Sensor assembly and mobile terminal |
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| Publication number | Publication date |
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| CN106686215B (en) | 2022-03-25 |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Applicant after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Applicant before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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