CN106444997B - Sensor assembly, cover plate assembly and mobile terminal - Google Patents
Sensor assembly, cover plate assembly and mobile terminal Download PDFInfo
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- CN106444997B CN106444997B CN201611105918.8A CN201611105918A CN106444997B CN 106444997 B CN106444997 B CN 106444997B CN 201611105918 A CN201611105918 A CN 201611105918A CN 106444997 B CN106444997 B CN 106444997B
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- 239000012790 adhesive layer Substances 0.000 claims description 55
- 230000003287 optical effect Effects 0.000 claims description 27
- 238000002834 transmittance Methods 0.000 claims description 21
- 239000008393 encapsulating agent Substances 0.000 claims 1
- 238000005538 encapsulation Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 6
- 230000035945 sensitivity Effects 0.000 abstract description 5
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- 229910052594 sapphire Inorganic materials 0.000 description 2
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1626—Constructional details or arrangements for portable computers with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input 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
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0421—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by interrupting or reflecting a light beam, e.g. optical touch-screen
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- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
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Abstract
The invention provides a sensor assembly, a cover plate assembly and a mobile terminal. The sensor assembly comprises a first light emitter and a first light receiver, wherein the first light emitter is used for emitting first light rays with a first polarization direction, and the first light rays form first reflected light rays after being reflected by a blocking object; the first light receiver is used for receiving the first reflected light and filtering out light rays with polarization directions different from the first polarization direction. Because the first light and the first reflected light are linearly polarized light in the first polarization direction, the first light receiver can only receive the light in the first polarization direction, the interference of the light emitted by other light emitters to the first light receiver can be avoided, and the detection sensitivity and accuracy are improved.
Description
Technical Field
The present invention relates to the field of communications, and in particular, to a sensor assembly, a cover plate assembly, and a mobile terminal.
Background
With rapid development of terminal technology, intelligent terminals are becoming more and more popular and become indispensable equipment in life. People can learn, entertain and the like through the intelligent terminal.
In the prior art, a mobile terminal is provided with a proximity sensor. The proximity sensor is disposed below the glass cover plate. The proximity sensor is used to determine whether the mobile terminal is in a proximity state or a distant state with respect to an external object. The proximity sensor includes an infrared emitter and an infrared receiver. The infrared transmitter transmits infrared rays outwards, the infrared rays are reflected by an external object to form reflected light rays, the infrared receiver receives the reflected light rays, and then whether the mobile terminal is in a close state or in a far state with the external object is judged according to the intensity of the received reflected light rays.
In practical applications, the light signal received by the proximity sensor is not necessarily reflected light formed by reflection of the blocking object by the light emitted by the corresponding emitter of the mobile terminal, and the reflected light may be emitted by other external devices or may be emitted by other emitters inside the terminal, so that interference may be generated on proximity detection of the proximity sensor, and sensitivity and accuracy of the proximity sensor are affected.
Disclosure of Invention
The embodiment of the invention provides a sensor assembly, a cover plate assembly and a mobile terminal, which can improve the sensitivity and accuracy of the sensor assembly.
An embodiment of the present invention provides a sensor assembly including a first optical transmitter and a first optical receiver,
the first light emitter is used for emitting first light rays with a first polarization direction, and the first light rays are reflected by the blocking object to form first reflected light rays;
the first light receiver is used for receiving the first reflected light and filtering out light rays with polarization directions different from the first polarization direction.
The embodiment of the invention also provides a cover plate assembly, which comprises a cover plate and a sensor assembly, wherein the sensor assembly is arranged on one side of the cover plate at intervals, and the sensor assembly is any one of the sensor assemblies.
The embodiment of the invention also provides a mobile terminal, which comprises a shell and a cover plate assembly, wherein the cover plate assembly is arranged on the shell, and the cover plate assembly is any one of the cover plate assemblies.
The embodiment of the invention also provides a mobile terminal, which comprises a shell and a sensor assembly, wherein the sensor assembly is arranged in the shell, and the sensor assembly is any one of the sensor assemblies.
Therefore, in the sensor assembly provided in this embodiment, since the first light and the first reflected light are linearly polarized light in the first polarization direction, the first light receiver can only receive the light in the first polarization direction, so that interference of the light emitted by other light emitters to the first light receiver can be avoided, and the detection sensitivity and accuracy can be improved.
Drawings
Fig. 1 is a schematic structural diagram of a mobile terminal according to a preferred embodiment of the present invention.
Fig. 2 is a schematic structural view of a cover plate assembly according to a preferred embodiment of the present invention.
Fig. 3 is a schematic view of another structure of the cover plate assembly in a preferred embodiment of the present invention.
Fig. 4 is a schematic structural view of a first light emitter in a preferred embodiment of the present invention.
Fig. 5 is a schematic structural view of a first optical receiver in a preferred embodiment of the present invention.
Fig. 6 is a schematic structural view of a cover plate in a preferred embodiment of the present invention.
Fig. 7 is a schematic view showing still another structure of the cover plate assembly in a preferred embodiment of the present invention.
Fig. 8 is a schematic view of still another structure of the cover plate assembly in a preferred embodiment of the present invention.
Fig. 9 is a schematic structural view of a second light emitter in a preferred embodiment of the present invention.
Fig. 10 is a schematic structural view of a second optical receiver in a preferred embodiment of the present invention.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.
Referring to fig. 1, fig. 1 is a block diagram of a mobile terminal 1 according to a preferred embodiment of the present invention, and the mobile terminal 1 may be an electronic device such as a mobile phone or an IPAD. The mobile terminal 1 includes a housing 10, a face plate 20, and a cover assembly 30.
The housing 10 is used to form the outer contour of the mobile terminal 1 and to mount other components therein.
The panel 20 may be a display panel, a touch display panel, or the like. The panel 20 is mounted on the housing 10.
Referring to fig. 2 and 3, the cover assembly 30 includes a sensor assembly 31 and a cover 32, the sensor assembly 31 is disposed in the housing 10, the panel 20 is disposed on the housing 10 and connected to the housing 10, and the cover 32 covers the panel 20 to protect the panel 20. The cover plate 32 has a non-display area 30a and a display area opposite 30b. The non-display area 30a is substantially white or light, and is transparent to a portion of the invisible light and the visible light. The display area pair 30b is transparent so that the mobile terminal 1 presents the picture on the panel 20 to the user through the display area pair 30b.
In some embodiments, the mobile terminal 1 further includes a receiver assembly, and the cover 32 is correspondingly provided with a receiver hole 300.
In some embodiments, the mobile terminal 1 further comprises a fingerprint module 40 for a user to input fingerprint information of the user.
The sensor assembly 31 includes a first light emitter 311, a first light receiver 312, an ambient light sensor 313, and a circuit board 314. The first light emitter 311, the first light receiver 312, and the ambient light sensor 313 are all disposed on the circuit board 314 and electrically connected to the circuit board 314.
The first light emitter 311, the first light receiver 312, and the ambient light sensor 313 are disposed on the circuit board 314 along a straight line, the order of which is not limited as long as it is satisfied that the distance between the first light emitter 311 and the first light receiver 312 is maintained at a predetermined value.
For example, in the embodiment shown in fig. 2, the ambient light sensor 313 and the first light emitter 311 are packaged to form a first package a, and the first package a is disposed at a distance from the first light receiver 312.
For example, in the embodiment shown in fig. 3, the ambient light sensor 313 and the first light receiver 312 are packaged to form a second package B, which is spaced apart from the first light emitter 311.
The first light emitter 311 is configured to emit invisible light with a wavelength greater than 850nm as a first light, for example, infrared light, and the first light emitted by the first light emitter 311 is polarized light. The first light is reflected by the barrier 70 to form a first reflected light having the same polarization direction.
Referring to fig. 4, the first light emitter 311 includes a first light emitter body 3111 and a first polarizer 3112 disposed on a light emitting surface of the first light emitter body 3111. Of course, it is understood that the first polarizer 3112 may be disposed at other positions on the light emitting path of the first light emitting body 3111. The first light emitter body 3111 is for emitting invisible light, such as infrared light, with a wavelength of more than 850 nm. The first polarizer 3112 is used for converting light emitted by the first light emitter body 3111 into linearly polarized light, and the polarization direction is a first polarization direction.
Referring to fig. 5, the first optical receiver 313 is configured to receive a first optical signal with a first polarization direction and filter out optical signals with other polarization directions. The first light receiver 313 includes a first light receiver body 3131 and a second polarizer 3132 disposed on a light incident surface of the first light receiver body 3131. The second polarizer 3132 is used to filter out optical signals having a polarization direction other than the first polarization direction. Of course, it is understood that the second polarizer 3132 may be disposed at other positions on the light receiving path of the first light receiver 3131.
With continued reference to fig. 2 and 3, the cover 32 includes a cover body 321, a first adhesive layer 322 and a second adhesive layer 323. The non-display area 30a of the cover 32 covers the non-display portion of the panel 20, and the display area 30b of the cover 32 covers the display portion of the panel 20. The first adhesion layer 322 is disposed on a surface of the cover body 321 facing the sensor assembly 31 and located in the non-display area 30a, and the second adhesion layer 323 is disposed on the first adhesion layer 322.
The cover body 321 is made of a transparent material, for example, the cover body 321 is a glass cover. The cover body 321 may also be a glass cover made of a material such as sapphire. The first adhesive layer 322 completely covers the second adhesive layer 323. The first adhesive layer 322 and the second adhesive layer 323 are disposed to hide the internal structural members of the mobile terminal 1 and the second adhesive layer 323. I.e., such that the user can see only the first adhesive layer 322 and cannot see the second adhesive layer 323 when viewing the outside of the cover plate body 321, i.e., such that the outside surface of the cover plate 32 is displayed as the first adhesive layer 322 while hiding the second adhesive layer 323.
The transmittance of the first adhesive layer 322 is greater than the transmittance of the second adhesive layer 323.
For example, the transmittance of the first adhesive layer 322 may be 80% or more, and the transmittance of the second adhesive layer 323 may be 10% or less. In practice, the first attachment layer 322 may be referred to as a transmissive layer for transmitting a substantial portion of the signal. The second adhesion layer 323 may be referred to as a shielding layer for shielding most of the signal.
In practical applications, the second adhesion layer 323 is used for hiding the internal structure of the mobile terminal 1, so that the internal structure of the mobile terminal 1 cannot be seen from the outer side of the cover plate body 321, thereby realizing the overall aesthetic effect of the mobile terminal 1.
Wherein the first adhesion layer 322 may be a white ink layer and the second adhesion layer 323 may be a black ink layer. Of course, the white ink layer and the black ink layer are only examples, and the first attaching layer 322 and the second attaching layer 323 can be designed with other colors according to different aesthetic requirements, as long as the transmittance of the first attaching layer 322 is greater than the transmittance of the second attaching layer 323. Wherein the white ink layer, the black ink layer or the ink layers of other colors can be manufactured by spraying or printing process.
The first adhesive layer 322 is a plurality of layers, and the second adhesive layer 323 is a single layer or a plurality of layers. For example, the first attachment layer 322 includes three sublayers 3221, the three sublayers 3221 overlapping in sequence.
Alternatively, for example, as shown in fig. 6, the first adhesive layer 322 may be a single layer and the second adhesive layer 323 may be a single layer.
With continued reference to fig. 2 and 3, the second adhesion layer 323 may include a first region 323A and a second region 323B. The first region 323A may be understood as a portion where the second adhesive layer 323 and the first adhesive layer 322 overlap each other, and the second region 323B may be understood as a portion where the second adhesive layer 323 and the first adhesive layer 321 do not overlap each other. The transmittance of the first region 323A is greater than the transmittance of the second region 323B, so that the signal can sequentially pass through the first region 323A, the first adhesive layer 322, the cover body 321, and the first region 323A after being reflected by the external barrier 70.
Wherein the first adhesive layer 32 covers the first area 323A of the second adhesive layer 323 such that the first area 323A is not visible from outside the mobile terminal 1.
In some embodiments, when the second adhesion layer 323 is a black ink layer, the black ink of the first region 323A may be treated so that the transmittance of the region is greater than that of the second region 323B.
In some embodiments, the first region 323A may be a through hole defined by a boundary of the second region 323B, where the transmittance of the region is 100%, and the first adhesion layer 322 covers the through hole. In some embodiments, the via holes of the first region 323A may be filled with a material that is permeable to signals.
In some embodiments, the first region 323A includes a first sub-region 3231A and a second sub-region 3232A.
For example, in fig. 2, the first sub-area 3231A is opposite the first light emitter 311 and the ambient light sensor 313, and the second sub-area 3232A is opposite the first light receiver 312. The first sub-region 3231A and the second sub-region 3232A are through holes defined by the boundary of the second region 323B.
For example, in fig. 3, the first sub-area 3231A is opposite the first light emitter 311, and the second sub-area 3232A is opposite the first light receiver 312 and the ambient light sensor 313. The first sub-region 3231A and the second sub-region 3232A are through holes defined by the boundary of the second region 323B.
When in operation, the circuit board 314 controls the first light emitter 311 to emit a first light as a detection signal, the first light is linearly polarized light in a first polarization direction, the first light is reflected by the barrier 70 to form a first reflected light, the first light receiver 312 filters light in other polarization directions when receiving the first reflected light, and converts the first reflected light into a first photoelectric conversion value, and the circuit board 314 judges whether the mobile terminal 1 is close to or far from the barrier 70 according to the first photoelectric conversion value, so that the judgment of a close state or a far state is realized.
In other embodiments, the sensor assembly 31 can take other forms, referring to fig. 7 and 8, the sensor assembly 31 includes a first light emitter 311, a first light receiver 312, an ambient light sensor 313, a circuit board 314, a second light emitter 315, and a second light receiver 316. The first light emitter 311, the first light receiver 312, the ambient light sensor 313, the second light emitter 315, and the second light receiver 316 are disposed on the circuit board 314 and electrically connected to the circuit board 314. The first light emitter 311, the first light receiver 312, the ambient light sensor 313, the second light emitter 315, and the second light receiver 316 may be disposed along a predetermined straight line.
Wherein the distance between the first light emitter 311 and the first light receiver 312 is smaller than the distance between the second light emitter 315 and said second light receiver 316.
For example, in fig. 7, the first light emitter 311, the first light receiver 312, and the second light emitter 315 are packaged to form a third package C, and the second light receiver 316 is packaged with the ambient light sensor 313 to form a fourth package D. It will be appreciated that the ambient light sensor 316 may also be packaged directly into the third package C.
For example, in fig. 8, the first optical transmitter 311, the first optical receiver 312, and the second optical receiver 316 are packaged to form a fifth package E, and the fifth package E is spaced apart from the second optical transmitter 315. The second light emitter 315 may further be packaged with the ambient light sensor 313 to form a sixth package F. It will be appreciated that the ambient light sensor 313 may also be packaged directly into the fifth package E.
The first light emitter 311 and the first light receiver 312 have the same structure and function as those in the above embodiments, and thus are not described in detail.
The second light emitter 315 is configured to emit invisible light having a wavelength greater than 850nm as a second light, such as infrared light, which is reflected by the barrier 70 to form a second reflected light. The second light emitted by the second light emitter 315 is linearly polarized light having a second polarization direction.
Referring to fig. 9, the second light emitter 315 includes a second light emitter body 3151 and a third polarizer 3152 disposed on the light emitting surface of the first light emitter body 3151. The second light emitter body 3151 is for emitting invisible light, such as infrared light, having a wavelength greater than 850 nm. The third polarizer 3152 is configured to convert light emitted by the second light emitter body 3151 into linearly polarized light, and the polarization direction thereof is the second polarization direction. It is understood that the third polarizer 3152 may also be disposed at other positions on the light emission path of the second light emitter body 3151.
Referring to fig. 10, the second light receiver 316 receives a second reflected light beam having a second polarization direction, and filters out light beams having other polarization directions. The second light receiver 316 includes a second light receiver body 3161 and a fourth polarizer 3162 disposed on the light incident surface of the second light receiver body 3161. The fourth polarizer 3162 is used to filter out optical signals having a polarization direction other than the second polarization direction. It is understood that the fourth polarizer 3162 may be disposed at other positions on the light receiving path of the second light receiver body 3161.
With continued reference to fig. 7 and 8, the cover 32 includes a cover body 321, a first adhesive layer 322 and a second adhesive layer 323. The non-display area 30a of the cover 32 covers the non-display portion of the panel 20, and the display area 30b of the cover 32 covers the display portion of the panel 20. The first adhesion layer 322 is disposed on a surface of the cover body 321 facing the sensor assembly 31 and located in the non-display area 30a, and the second adhesion layer 323 is disposed on the first adhesion layer 322.
The cover body 321 is made of a transparent material, for example, the cover body 321 is a glass cover. The cover body 321 may also be a glass cover made of a material such as sapphire. The first adhesive layer 322 completely covers the second adhesive layer 323. The first adhesive layer 322 and the second adhesive layer 323 are disposed to hide the internal structural members of the mobile terminal 1 and the second adhesive layer 323. That is, the user can see only the first adhesive layer 322 and not the second adhesive layer 323 when viewing the outside of the cover plate body 321.
The transmittance of the first adhesive layer 322 is greater than the transmittance of the second adhesive layer 323.
For example, the transmittance of the first adhesive layer 322 may be 80% or more, and the transmittance of the second adhesive layer 323 may be 10% or less. In practice, the first attachment layer 322 may be referred to as a transmissive layer for transmitting a substantial portion of the signal. The second adhesion layer 323 may be referred to as a shielding layer for shielding most of the signal.
In practical applications, the second adhesion layer 323 is used for hiding the internal structure of the mobile terminal 1, so that the internal structure of the mobile terminal 1 cannot be seen from the outer side of the cover plate body 321, thereby realizing the overall aesthetic effect of the mobile terminal 1.
Wherein the first adhesion layer 322 may be a white ink layer and the second adhesion layer 323 may be a black ink layer. Of course, the white ink layer and the black ink layer are only examples, and the first attaching layer 322 and the second attaching layer 323 can be designed with other colors according to different aesthetic requirements, as long as the transmittance of the first attaching layer 322 is greater than the transmittance of the second attaching layer 323. Wherein the white ink layer, the black ink layer or the ink layers of other colors can be manufactured by spraying or printing process.
The first adhesive layer 322 is a plurality of layers, and the second adhesive layer 323 is a single layer or a plurality of layers. For example, the first attachment layer 322 includes three sublayers 3221, the three sublayers 3221 overlapping in sequence.
Alternatively, for example, as shown in fig. 6, the first adhesive layer 322 may be a single layer and the second adhesive layer 323 may be a single layer.
With continued reference to fig. 2 and 3, the second adhesion layer 323 may include a first region 323A and a second region 323B. The first region 323A may be understood as a portion where the second adhesive layer 323 and the first adhesive layer 322 overlap each other, and the second region 323B may be understood as a portion where the second adhesive layer 323 and the first adhesive layer 321 do not overlap each other. The transmittance of the first region 323A is greater than the transmittance of the second region 323B, so that the signal can sequentially pass through the first region 323A, the first adhesive layer 322, the cover body 321, and the first region 323A after being reflected by the external barrier 70.
Wherein the first adhesive layer 32 covers the first area 323A of the second adhesive layer 323 such that the first area 323A is not visible from outside the mobile terminal 1.
In some embodiments, when the second adhesion layer 323 is a black ink layer, the black ink of the first region 323A may be treated so that the transmittance of the region is greater than that of the second region 323B.
In some embodiments, the first region 323A may be a through hole defined by a boundary of the second region 323B, where the transmittance of the region is 100%, and the first adhesion layer 322 covers the through hole. In some embodiments, the via holes of the first region 323A may be filled with a material that is permeable to signals.
In some embodiments, the first region 323A includes a first sub-region 3231A and a second sub-region 3232A.
For example, in fig. 7, the first sub-region 3231A is opposite the first light emitter 311, the first light receiving region 312, and the second light emitter 315, and the second sub-region 3232A is opposite the second light receiver 316, and the ambient light sensor 316. The first sub-region 3231A and the second sub-region 3232A are through holes defined by the boundary of the second region 323B.
For example, in fig. 8, the first sub-region 3231A is opposite the first light emitter 311, the first light receiving region 312, and the second light receiving region 316, and the second sub-region 3232A is opposite the second light emitter 316 and the ambient light sensor 313. The first sub-region 3231A and the second sub-region 3232A are through holes defined by the boundary of the second region 323B.
In operation, the circuit board 314 controls the first light emitter 311 to emit a first light, and the polarization direction of the first light is the first polarization direction; the circuit board 314 controls the second light emitter 315 to emit a second light, and the polarization direction of the second light is the second polarization direction; the circuit board 314 obtains a first photoelectric conversion value of a first reflected light ray received by the first light receiver 312, where the first reflected light ray is formed by reflecting the first light ray by a blocking object; the circuit board 314 obtains a second photoelectric conversion value of a second reflected light received by the second light receiver, where the second reflected light is formed by reflecting the second light by the barrier 70; the circuit board 314 judges the relative position of the mobile terminal 1 relative to the barrier 70 according to the first photoelectric conversion value and the first photoelectric conversion value; judging that the current mobile terminal approaches the barrier when the first photoelectric conversion value is located in a first approach interval or when the second photoelectric conversion value is located in a second approach interval; when the first photoelectric conversion value is located in the first distant region and the second photoelectric conversion value is located in the second distant region, it is determined that the current mobile terminal 1 is away from the barrier 70. Therefore, detection of approaching or separating states is realized, interference of other light rays can be avoided, and the method has the beneficial effects of improving detection sensitivity and accuracy.
In addition, the circuit board 314 may also control the panel 20 of the mobile terminal 1, such as a touch display screen, to turn on or off according to the detected approaching or separating state, for example, control the panel 20 to turn off when the mobile terminal is detected approaching the barrier 70, and control the panel 20 to turn on when the mobile terminal 1 is detected separating from the barrier 70.
In the description of the present specification, reference to the terms "one embodiment," "certain embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In summary, although the present invention has been described in terms of the preferred embodiments, the preferred embodiments are not limited to the above embodiments, and various modifications and changes can be made by one skilled in the art without departing from the spirit and scope of the invention, and the scope of the invention is defined by the appended claims.
Claims (18)
1. The cover plate assembly is characterized by comprising a sensor assembly and a cover plate, wherein the sensor assembly is arranged on one side of the cover plate at intervals; the sensor assembly comprises a first light emitter and a first light receiver, wherein the first light emitter is used for emitting first light rays with a first polarization direction, and the first light rays form first reflected light rays after being reflected by the blocking object; the first light receiver is used for receiving the first reflected light and filtering out light rays with a direction different from the first polarization direction;
the cover plate comprises a cover plate body, a first adhesion layer and a second adhesion layer, wherein the transmissivity of the first adhesion layer is larger than that of the second adhesion layer, the transmissivity of the first adhesion layer is 80% or more, the first adhesion layer is arranged on one surface of the cover plate body, facing the sensor assembly, and the second adhesion layer is arranged on the first adhesion layer;
the second adhesive layer has a first region having a transmittance greater than that of the second region, and a second region, the first adhesive layer covering the first region of the second adhesive layer, the first region being opposite to the sensor assembly such that an outer side surface of the cover plate is displayed as the first adhesive layer while hiding the second adhesive layer.
2. The cover plate assembly of claim 1, further comprising a second optical transmitter and a second optical receiver;
the second light emitter is used for emitting second light rays with a second polarization direction, and the second light rays are reflected by the blocking object to form second reflected light rays;
the second light receiver is used for receiving the second reflected light and filtering out light rays different from the second polarization direction.
3. The cover plate assembly of claim 2, wherein a distance between the first light emitter and the first light receiver is less than a distance between the second light emitter and the second light receiver.
4. The cover plate assembly of claim 2 or 3, wherein the first optical transmitter, the first optical receiver, and the second optical transmitter are packaged to form a third package, the third package being spaced apart from the second optical receiver.
5. The cover plate assembly of claim 4, further comprising an ambient light sensor, wherein the ambient light sensor and the second light receiver package form a fourth package, wherein the fourth package is spaced apart from the third package.
6. The cover assembly of claim 4, further comprising an ambient light sensor, the ambient light sensor being encapsulated in the third encapsulation.
7. The cover plate assembly of claim 2 or 3, wherein the first optical transmitter, the first optical receiver, and the second optical receiver are packaged to form a fifth package, the fifth package being spaced apart from the second optical transmitter.
8. The cover plate assembly of claim 7, further comprising an ambient light sensor, the ambient light sensor and the second light emitter package forming a sixth package.
9. The cover assembly of claim 7, further comprising an ambient light sensor, the ambient light sensor being encapsulated in the fifth encapsulant.
10. The cover plate assembly of claim 1, further comprising an ambient light sensor, the ambient light sensor and the first light emitter package forming a first package, the first package being spaced apart from the first light receiver.
11. The cover plate assembly of claim 1 further comprising an ambient light sensor, the ambient light sensor and the first light receiver package forming a second package, the second package being spaced apart from the first light emitter.
12. The cover plate assembly of claim 1, wherein the first light emitter comprises a first light emitter body and a first polarizer disposed on a light emission path of the first light emitter body, the first light receiver comprises a first light receiver body and a third polarizer disposed on a light emission path of the first light receiver body, and polarization directions of the first polarizer and the third polarizer are both first polarization directions.
13. The cover plate assembly of claim 2, wherein the second light emitter comprises a second light emitter body and a second polarizer disposed on a light emission path of the second light emitter body, the second light receiver comprises a second light receiver body and a fourth polarizer disposed on a light emission path of the second light receiver body, and polarization directions of the second polarizer and the fourth polarizer are both second polarization directions.
14. The cover plate assembly of claim 2, further comprising a circuit board, wherein the first optical transmitter, the second optical transmitter, the first optical receiver, and the second optical receiver are disposed on and electrically connected to the circuit board.
15. The cover plate assembly of claim 1, wherein the first region is a through-hole defined by a boundary of the second region.
16. The cover assembly of claim 1, wherein the first and second attachment layers are each an ink layer.
17. The cover assembly of claim 16, wherein the first adhesion layer is a white ink layer and the second adhesion layer is a black ink layer.
18. A mobile terminal, comprising a housing and a cover assembly, wherein the cover assembly is disposed on the housing, and the cover assembly is the cover assembly of any one of claims 1-17.
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| CN201611105918.8A CN106444997B (en) | 2016-12-06 | 2016-12-06 | Sensor assembly, cover plate assembly and mobile terminal |
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| CN201611105918.8A CN106444997B (en) | 2016-12-06 | 2016-12-06 | Sensor assembly, cover plate assembly and mobile terminal |
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| CN106444997B true CN106444997B (en) | 2023-10-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106933415B (en) * | 2017-03-07 | 2019-11-26 | Oppo广东移动通信有限公司 | A kind of sensor module and terminal |
| CN107886926B (en) * | 2017-11-22 | 2020-08-14 | Oppo广东移动通信有限公司 | Display screen and electronic equipment |
| CN108124032B (en) * | 2017-12-26 | 2020-08-07 | Oppo广东移动通信有限公司 | Electronic device |
| CN108418910B (en) * | 2018-02-08 | 2024-01-12 | Oppo广东移动通信有限公司 | Electronic device |
| CN108304038B (en) * | 2018-02-08 | 2020-01-07 | 维沃移动通信有限公司 | Electronic equipment |
| CN108540640B (en) * | 2018-02-12 | 2019-09-27 | 维沃移动通信有限公司 | A kind of determination method, apparatus of infrared detecting device, mobile terminal and infrared remote receiver |
| US20200072947A1 (en) * | 2018-08-31 | 2020-03-05 | Magna Closures, Inc. | Automotive radar / lidar behind reflective surfaces |
| CN113949752A (en) * | 2020-07-15 | 2022-01-18 | 北京小米移动软件有限公司 | Sensor integrated module, mobile terminal and control method |
| CN112286387B (en) * | 2020-10-29 | 2022-11-01 | 湖北长江新型显示产业创新中心有限公司 | Display panel and display device |
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| CN106444997A (en) | 2017-02-22 |
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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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