CN109167857B - Calibration method, electronic device, storage medium, and computer apparatus - Google Patents

Abstract

The application discloses a calibration method, an electronic device, a storage medium and computer equipment, wherein the calibration method is used for a proximity sensor of the electronic device, the electronic device comprises a touch display screen, the proximity sensor is arranged below the touch display screen, and the calibration method comprises the following steps: when the touch display screen is in an off state, acquiring a plurality of signal values generated by the proximity sensor; judging whether the plurality of signal values meet a calibration condition; when the plurality of signal values satisfy the calibration condition, calibrating the current background noise value of the proximity sensor to an initial predetermined background noise value. In the calibration method, the electronic device, the storage medium and the computer device according to the embodiments of the application, when the touch display screen is in an off state, the current background noise value of the proximity sensor is calibrated to the initial predetermined background noise value according to a plurality of signal values generated by the proximity sensor, so that the electronic device can accurately control the display state of the touch display screen according to the signal values of the proximity sensor during a call.

Description

Calibration method, electronic device, storage medium and computer equipment

technical field

The present application relates to the field of electronic technology, and in particular, to a calibration method, electronic device, storage medium and computer equipment.

Background technique

At present, full-screen mobile phones have become the main products of major mobile phone manufacturers. In the related art, in order to increase the screen ratio of the mobile phone, the proximity sensor is arranged below the display screen. However, the proximity sensor is arranged below the display screen. When the display screen is subjected to external force, the display screen can transmit the external force to the proximity sensor, so that the data generated by the proximity sensor during operation cannot accurately determine the relationship between the display screen and external objects. state, so that the display state of the display cannot be accurately controlled.

Application content

In view of this, embodiments of the present application provide a calibration method, an electronic device, a storage medium, and a computer device.

An embodiment of the present application provides a calibration method for a proximity sensor of an electronic device, where the electronic device includes a touch display screen, the proximity sensor is disposed below the touch display screen, and the calibration method includes:

When the touch display screen is in an off state, acquiring a plurality of signal values generated by the proximity sensor;

judging whether the multiple signal values meet the calibration conditions;

When the plurality of signal values satisfy the calibration condition, the current noise floor value of the proximity sensor is calibrated to be an initial predetermined noise floor value.

An embodiment of the present application provides an electronic device, the electronic device includes a touch display screen, a proximity sensor and a processor, the proximity sensor is disposed below the touch display screen, and the processor is used for:

When the touch display screen is in an off state, acquiring a plurality of signal values generated by the proximity sensor;

judging whether the multiple signal values meet the calibration conditions;

When the plurality of signal values satisfy the calibration condition, the current noise floor value of the proximity sensor is calibrated to be an initial predetermined noise floor value.

Embodiments of the present application provide one or more non-volatile computer-readable storage media containing computer-executable instructions that, when executed by one or more processors, cause the processors to execute the calibration method described.

A computer device includes a memory and a processor, the memory stores computer-readable instructions, and when the instructions are executed by the processor, causes the processor to execute any of the calibration methods described above.

In the calibration method, electronic device, storage medium and computer equipment of the embodiments of the present application, when the touch screen is in an off state, the current noise floor value of the proximity sensor is calibrated to an initial predetermined noise floor value according to a plurality of signal values generated by the proximity sensor , so that the electronic device can accurately control the display state of the touch display screen according to the signal value of the proximity sensor during a call.

Description of drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily understood from the following description of embodiments taken in conjunction with the accompanying drawings, wherein:

1 is a schematic plan view of an electronic device according to some embodiments of the present application;

2 is a schematic cross-sectional view of the electronic device of FIG. 1 along II-II direction;

3 to 12 are schematic cross-sectional views of electronic devices according to some embodiments of the present application;

13 is a state schematic diagram of an electronic device according to some embodiments of the present application;

FIG. 14 is another state schematic diagram of the electronic device according to some embodiments of the present application;

15 is a partial cross-sectional schematic view of the electronic device shown in FIG. 14 along the A-A direction;

16 is a schematic perspective view of a light guide member of an electronic device according to some embodiments of the present application;

17 is another perspective schematic diagram of a light guide member of an electronic device according to some embodiments of the present application;

18 is a schematic flowchart of a calibration method according to some embodiments of the present application;

19 is a schematic block diagram of a control device according to some embodiments of the present application;

20-21 are schematic flowcharts of calibration methods according to certain embodiments of the present application;

22 is a schematic diagram of a usage scenario of an electronic device according to some embodiments of the present application;

FIG. 23 is a schematic block diagram of a computer device according to some embodiments of the present application.

Detailed ways

The following describes in detail the embodiments of the present application, 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 with reference to the accompanying drawings are exemplary, and are intended to be used to explain the present application, but should not be construed as a limitation to the present application.

With the development of electronic devices, full screen has become the development trend of mobile phones. The feature of full screen and high screen-to-body ratio makes the space for proximity sensor or other components at the top of the screen limited. When the proximity sensor is set under the light-transmitting display screen, due to the photoelectric effect, the proximity sensor makes the screen inside the screen in the process of emitting infrared light. The electrons of the light-transmitting screen are excited to cause the light-transmitting display screen to flicker, which interferes with the normal display of the light-transmitting display screen and affects the user's experience.

Referring to FIGS. 1-3 , an embodiment of the present application provides an electronic device 100 . The electronic device 100 includes a touch display screen 10 , a proximity sensor 16 , a gesture sensor 102 and a processor 23 . The touch display screen 10 includes a display layer 13 , and the display layer 13 includes a display area 1311 . A proximity sensor 16 is provided below the touchscreen display 10 . Further, the proximity sensor 16 is disposed below the display area 1311 . The proximity sensor 16 is used to emit infrared light and receive the infrared light reflected by the object to detect the distance of the object to the electronic device 100 .

Exemplarily, the electronic device 100 may be any one of various types of computer system devices that are mobile or portable and perform wireless communication (only one form is exemplarily shown in FIG. 1 ). Specifically, the electronic device 100 may be a mobile phone or a smart phone (eg, iPhone TM-based, Android TM-based phone), portable gaming device (eg Nintendo DS TM, PlayStation Portable TM, Gameboy Advance TM, iPhone TM), laptop laptops, PDAs, portable Internet devices, music players, and data storage devices, other handheld devices and devices such as watches, in-ear headphones, pendants, headphones, etc., the electronic device 100 may also be other wearable devices (eg, Head mounted devices (HMDs) such as electronic glasses, electronic clothing, electronic bracelets, electronic necklaces, electronic tattoos, electronic devices or smart watches).

The electronic device 100 may also be any of a number of electronic devices, including but not limited to cellular phones, smart phones, other wireless communication devices, personal digital assistants, audio players, other media players, music recorders , video recorders, cameras, other media recorders, radios, medical equipment, vehicle transportation equipment, calculators, programmable remote controls, pagers, laptops, desktop computers, printers, netbooks, personal digital assistants (PDAs), portable Multimedia players (PMP), Moving Picture Experts Group (MPEG-1 or MPEG-2) Audio Layer 3 (MP3) players, portable medical devices and digital cameras and combinations thereof.

In some cases, the electronic device 100 may perform various functions (eg, play music, display video, store pictures, and receive and send phone calls). If desired, the electronic device 1000 may be a portable device such as a cellular phone, media player, other handheld device, wristwatch device, pendant device, handset device, or other compact portable device.

By setting the proximity sensor 16 in the mobile phone to determine the distance between the mobile phone and the obstacle and make corresponding adjustments, it can prevent the user's misoperation and help save the power of the mobile phone. For example, when the user is answering or making a call and the mobile phone is brought close to the head, the proximity sensor 16 generates detection information by calculating the time for the transmitter to emit infrared light and the receiver to receive the reflected infrared light, and the processor 23 touches the touch according to the detection information. Display 10. When the mobile phone is far away from the head, the processor 23 reopens the touch display screen 10 according to the detection information fed back by the proximity sensor 16 again.

In some embodiments, display layer 13 includes an OLED display layer.

Specifically, the OLED display layer has good light transmittance and can better transmit visible light and infrared light. Therefore, the OLED display layer can present the content effect without affecting the proximity sensor 16 to emit and receive infrared light. The display layer 13 can also be a Micro LED display layer, and the Micro LED display layer also has good transmittance to visible light and infrared light. Of course, these display layers are only exemplary and the embodiments of the present application are not limited thereto. In addition, the touch display screen 10 may be provided on the housing 20 .

Referring to FIG. 3 , in some embodiments, the touch display screen 10 further includes a light-transmitting cover plate 11 and a touch layer 12 . The light-transmitting cover plate 11 is disposed on the touch layer 12 . The touch layer 12 is disposed on the display layer 13 . The upper surface 131 of the display layer 13 faces the touch layer 12 . The transmittance of the light-transmitting cover plate 11 and the touch layer 12 to visible light and infrared light are both greater than 90%.

Specifically, the touch layer 12 is mainly used to receive user input signals and transmit them to the circuit board for data processing, so as to obtain the specific position where the user touches the touch layer 12 . It should be noted that the fact that the touch layer 12 is disposed on the display layer 13 may mean that the touch layer 12 is in contact with the display layer 13 . For example, In-Cell or On-Cell technology can be used to attach the touch layer 12 to the display layer 13 , which can effectively reduce the weight of the display layer 13 and reduce the overall thickness of the display layer 13 . The fact that the touch layer 12 is disposed on the display layer 13 may also mean that the touch layer 12 is disposed above the display layer 13 and is spaced apart from the display layer 13 .

In addition, disposing the light-transmitting cover plate 11 on the touch layer 12 can effectively protect the touch layer 12 and its internal structure, and avoid damage to the touch layer 12 and the display layer 13 caused by external forces. The transmittance of the light-transmitting cover plate 11 and the touch layer 12 to visible light and infrared light is greater than 90%, which is not only conducive to the display layer 13 to better display the content effect, but also conducive to the proximity sensor disposed under the display layer 13 16 stably emits and receives infrared light, which ensures the normal operation of the proximity sensor 16 .

Referring to FIG. 4 , in some embodiments, the display layer 13 includes an upper surface 131 and a lower surface 132 . The electronic device 100 also includes a first coating layer 14 coated on the lower surface 132 and covering the proximity sensor 16 . The first coating layer 14 is used to transmit infrared light and intercept visible light. The proximity sensor 16 is used to emit and/or receive infrared light through the first coating layer 14 and the display layer 13 .

Specifically, setting the first coating layer 14 to transmit infrared light is to ensure the normal operation of the proximity sensor 16 . The first coating layer 14 intercepts visible light, so that when the electronic device 100 is viewed from the outside, the proximity sensor 16 is invisible.

Referring to FIGS. 4 and 5 , in some embodiments, the proximity sensor 16 includes a transmitter 1611 and a receiver 1612 . The emitter 1611 is used to emit infrared light through the first coating layer 14 and the display layer 13 . The receiver 1612 is used to receive infrared light emitted by the object to detect the distance between the object and the electronic device 100 .

Specifically, in general, when the user is answering or making a call, the electronic device 100 is close to the head of the human body, the transmitter 1611 emits infrared light, and the receiver 1612 receives the reflected infrared light. The processor 23 calculates the time from the emission to the reflection of the infrared light, and sends a corresponding instruction to control the screen to be turned off. When the electronic device 100 is far away from the head, the processor 23 performs calculations again according to the feedback data and issues an instruction to turn on the screen again. In this way, not only the misoperation of the user is prevented, but also the power of the mobile phone is saved.

In certain embodiments, the orthographic projection of the proximity sensor 16 on the lower surface 132 is located within the orthographic projection of the first coating layer 14 on the lower surface 132 .

Specifically, during the process of assembly, the installation of the proximity sensor 16 usually needs to reserve an assembly gap, resulting in a gap between the proximity sensor 16 and other components, allowing visible light to enter through the gap, and light leakage occurs. Therefore, in the direction in which the proximity sensor 16 and the display layer 13 are stacked, the area of the orthographic projection of the first coating layer 14 on the lower surface 132 is larger than the area of the orthographic projection of the proximity sensor 16 on the lower surface 132 , which can be achieved without affecting the normal operation of the proximity sensor 16 In operation, the first coating layer 14 is made to sufficiently shield the proximity sensor 16 , so that the proximity sensor 16 is invisible when the electronic device 100 is viewed from the outside.

Referring to FIG. 5 , in some embodiments, the orthographic projection of the proximity sensor 16 on the lower surface 132 coincides with the first coating layer 14 .

Specifically, in the stacking direction of the proximity sensor 16 and the display layer 13 , the area of the first coating layer 14 projected on the lower surface 132 may be equal to the area of the proximity sensor 16 projected on the lower surface 132 . In this way, without affecting the normal operation of the proximity sensor 16 , the first coating layer 14 can just block the proximity sensor 16 , so that when the electronic device 100 is viewed from the direction facing and perpendicular to the upper surface 131 of the display layer 13 , the Effects not visible to sensor 16.

Referring to FIG. 6 , further, in such an embodiment, the electronic device 100 further includes a light shielding layer 17 disposed on the lower surface 132 and surrounding the proximity sensor 16 .

Specifically, when the area where the first coating layer 14 is projected on the lower surface 132 is equal to the area where the proximity sensor 16 is projected on the lower surface 132 , since the volume of the space where the proximity sensor 16 is placed is larger than the volume of the proximity sensor 16 When the electronic device 100 is viewed from the external environment, light leakage occurs in the space surrounding the proximity sensor 16 . Therefore, by providing the light shielding layer 17 surrounding the proximity sensor 16, the gap between the proximity sensor 16 and the surrounding space is filled, and such a light leakage phenomenon can be eliminated. The light shielding layer 17 may be foam made of black material, or may be other black foam or rubber. Of course, these materials are exemplary only and the embodiments of the present application are not limited thereto.

In some embodiments, the first coating layer includes IR ink, the transmittance of the IR ink to infrared light is greater than 85%, the transmittance of the IR ink to visible light is less than 6%, and the transmittance of the IR ink to the infrared light is less than 6%. The wavelength is 850nm-940nm.

Specifically, since the IR ink has low transmittance to visible light, when the electronic device 100 is viewed from the outside, the proximity sensor 16 disposed under the first coating layer 14 cannot be observed by human eyes. At the same time, the IR ink has the characteristics of high transmittance to infrared light, so that the proximity sensor 16 can stably emit and receive infrared light, and ensure the normal operation of the proximity sensor 16 .

Referring to FIGS. 7 and 8 , in some embodiments, the electronic device 100 further includes a second coating layer 15 coated on the lower surface 132 and connected to the first coating layer 14 .

Specifically, the first coating layer 14 is mainly used to transmit infrared light and block the proximity sensor 16, but since the cost of the IR ink used in the first coating layer 14 is higher than that of ordinary black ink, if the entire lower surface 132 is coated IR ink is not conducive to reducing production costs, and ordinary black ink can achieve lower transmittance to visible light than IR ink, and the blocking effect is more prominent. In this way, by providing the second coating layer 15, it is not only beneficial to reduce the production cost, but also the shielding effect is more in line with the process requirements.

Referring to FIGS. 9 and 10 , in some embodiments, the electronic device 100 further includes a buffer layer 18 covering the lower surface 132 and avoiding the proximity sensor 16 .

Specifically, the buffer layer 18 is used for alleviating impact force and shock resistance to protect the touch layer 12 and the display layer 13 and their internal structures, and prevent the display layer 13 from being damaged by external impact. The buffer layer 18 may be made of foam or foamed plastic or rubber or other soft material. Of course, these buffer materials are only exemplary and the embodiments of the present application are not limited thereto. In addition, avoiding the proximity sensor 16 in the process of disposing the buffer layer 18 is to prevent the buffer layer 18 from blocking the proximity sensor 16 so as to prevent the proximity sensor 16 from being affected in the process of emitting and receiving infrared light.

Referring to FIGS. 11 and 12 , further, in such an embodiment, the electronic device 100 further includes a metal sheet 19 covering the buffer layer 18 and avoiding the proximity sensor 16 .

Specifically, the metal sheet 19 is used for shielding electromagnetic interference and grounding, and has the function of diffusing temperature rise. The metal sheet 19 can be cut from metal materials such as copper foil and aluminum foil. Of course, these metal materials are only exemplary and the embodiments of the present application are not limited thereto. In addition, the purpose of avoiding the proximity sensor 16 in the process of disposing the metal sheet 19 is to prevent the metal sheet 19 from blocking the proximity sensor 16 so as to prevent the proximity sensor 16 from being affected in the process of emitting and receiving infrared light.

Please refer to FIGS. 13-15 together. In some embodiments, the electronic device 100 further includes a casing 20 , a receiving casing 200 , a light guide member 51 and a light sensor 5 . The receiving shell 200 is slidably connected with the casing 20 and can extend out of the casing 20 or retract into the casing 20 . The receiving case 200 is provided with a light entrance hole 2006 , and the light guide member 51 is accommodated inside the receiving case 200 and partially extends into the light entrance hole 2006 . The light guide member 51 has a light incident surface 511 and a light exit surface 512 opposite to each other. The light incident surface 511 faces the outside of the receiving case 200 . The light-emitting surface 512 faces the interior of the receiving case 200 . The light sensor 5 is accommodated in the accommodating case 200 and faces the light emitting surface 512 .

In this way, since the light incident hole 2006 is disposed in the receiving case 200 of the electronic device 100 instead of being disposed in the touch display screen 10 of the electronic device 100 , the light incident hole 2006 can meet the requirements of the light sensor 5 to receive ambient light. , the screen ratio of the touch display screen 10 is not limited, so that the screen ratio of the electronic device 100 is relatively large.

13-14 , the electronic device 100 is defined with reference to this viewing angle. The electronic device 100 has a width direction X, a length direction Y, and a thickness direction Z, and the length direction Y is perpendicular to the width direction X and the thickness direction Z. Perpendicular to the width direction X and the length direction Y.

The housing 20 also includes a top end surface 1002 and a bottom end surface 1003 disposed opposite the top end surface 1002 . Generally, the top end surface 1002 and the bottom end surface 1003 may extend along the width direction X. That is, the top end surface 1002 and the bottom end surface 1003 are the short sides of the electronic device 100 . The bottom end surface 1003 is used for arranging connectors, microphones, speakers, etc. of the electronic device 100 .

As shown in FIG. 14 , an accommodating groove 1004 is opened on the top of the casing 20 , and the accommodating groove 1004 is recessed from the top of the casing 20 to the interior of the casing 20 . The receiving groove 1004 penetrates the side surface of the housing 20 . The accommodating case 200 is slidably connected to the housing 20 in the accommodating groove 1004 . In other words, the accommodating case 200 is slidably connected to the housing 20 to extend or retract the accommodating groove 1004 .

A functional element 300 can also be set in the housing case 200 . The functional element 300 is, for example, a camera, an earpiece or a laser transmitter. The camera is exposed through the light entrance hole 2006 . When the receiving case 200 extends out of the case 20 , the camera can capture an external image of the electronic device 100 . The camera is, for example, a camera such as an RGB camera.

In some embodiments, the receiving case 200 has an outer side, and part or all of the light incident surface 511 protrudes from the outer side. In this way, the light incident surface 511 is less blocked by the receiving case 200, or even not blocked at all, so that the light incident surface 511 can receive more ambient light, and the light guide member 5151 can better guide the external light into the light sensor sensor 5.

In this embodiment, the outer side surface of the housing case 200 includes a top surface 2003 , and the top surface 2003 is provided with a light incident hole 2006 . The light guide member 51 corresponds to the light incident hole 2006 on the top surface 2003 . In other words, the light sensor 5 receives the light passing through the light incident hole 2006 on the top surface 2003 through the light guide member 51 . In this way, the light sensor 5 can sense ambient light regardless of whether the housing case 200 is extended or the housing case 20 is retracted. Part or all of the light incident surface 511 protrudes from the top surface 2003 .

Referring to FIGS. 15-17 , the light incident surface 511 has a central area 5111 and an edge area 5112 disposed around the central area 5111 . The central area 5111 is convex relative to the edge area 5112 . At this time, the area of the light incident surface 511 is larger, and more external light can enter the light guide member 51 . The light incident surface 511 is an arc surface.

In some embodiments, the receiving case 200 has an inner side surface 2063, the inner side surface 2063 forms a positioning groove 2064, the positioning groove 2064 communicates with the light entrance hole 2006, the light guide member 51 includes a light entrance portion 513 and a light exit portion 514, and the light entrance surface 511 The light incident portion 513 is the end face of the light incident portion 513 facing away from the light exit portion 514, and the light exit surface 512 is the end face of the light exit portion 514 away from the light incident portion 513. The light incident portion 513 passes through the light incident hole 2006, and the light exit portion 514 is partially or completely embedded in the positioning groove. 2064.

At this time, the light guide member 5151 and the accommodating case 200 are fixed to each other and are not easy to slide. At the same time, the surface of the light exit portion 514 facing the light incident portion 513513 can be bonded with a sealing member, and the sealing member is continuously arranged around the light incident portion 513513 . The sealing member is pressed against the groove wall surfaces of the light exit portion 514 and the positioning groove 2064 to achieve sealing and prevent external dust, water vapor, etc. from entering the interior of the receiving case 200 through the light entrance hole 2006 .

In some embodiments, the area of the light exit surface 512 is larger than the area of the light entrance surface 511 , and the cross-sectional area of the light entrance portion 513 increases in the direction from the light entrance surface 511 to the light exit surface 512 .

Specifically, the shape of the light incident portion 513 is roughly truncated, which facilitates the transmission of light in the light incident portion 3513 , and can be diffused so as to enter the light exit portion 514 uniformly.

In some embodiments, the light guide member 51 further includes a positioning portion 515 . The positioning portion 515 and the light exit portion 514 define an accommodating space 516 , and the accommodating space 516 is used for accommodating the light sensor 5 . The light sensor 5 accommodated in the accommodating space 516 can be protected by the positioning portion 515 and the light emitting portion 514 to avoid damage when the electronic device 100 is dropped or struck. Wherein, a gap is formed between the light emitting surface 512 and the photosensitive area 52 of the photosensitive sensor 5 .

Referring to Figure 18, the present application provides a calibration method. The calibration method is used for the proximity sensor 16 of the electronic device 100 . The calibration method includes the steps:

S12: When the touch display screen 10 is in an off state, acquire multiple signal values generated by the proximity sensor 16;

S14: judging whether the plurality of signal values satisfy the calibration condition; and

S16: When the multiple signal values satisfy the calibration condition, calibrate the current noise floor value of the proximity sensor 16 to an initial predetermined noise floor value.

The electronic device 100 according to the embodiment of the present application includes a touch display screen 10 , a proximity sensor 16 and a processor 23 , and the proximity sensor 16 is disposed below the touch display screen 10 . Steps S12 , S14 and S16 of the above calibration method can be implemented by the processor 23 . In other words, the processor 23 is configured to: acquire multiple signal values generated by the proximity sensor 16 when the touch display screen 10 is in an off state; determine whether the multiple signal values satisfy the calibration condition, and perform a When a plurality of signal values satisfy the calibration condition, the current noise floor value of the proximity sensor 16 is calibrated to an initial predetermined noise floor value.

Referring to FIG. 19 , the embodiment of the present application further provides a calibration apparatus 1000 , and the calibration method of the embodiment of the present application can be implemented by the calibration apparatus 1000 of the embodiment of the present application.

Specifically, the calibration apparatus 1000 includes an acquisition module 210 , a determination module 220 and a calibration module 230 , and the acquisition module 210 is configured to acquire a plurality of signal values generated by the proximity sensor 16 when the touch display screen 10 is in an off state. The judging module 220 is configured to judge whether the plurality of signal values satisfy the calibration condition. The calibration module 230 is configured to calibrate the current noise floor value of the proximity sensor 16 to an initial predetermined noise floor value when the plurality of signal values satisfy the calibration condition.

That is to say, step S14 may be implemented by the acquisition module 210 , step S15 may be implemented by the calibration module 230 , and step S16 may be implemented by the determination module 220 .

Specifically, the electronic device 100 will calibrate the noise floor value of the proximity sensor 16 to an initial predetermined noise floor value when the electronic device 100 leaves the factory, and store the initial predetermined noise floor value of the proximity sensor 16 . When the electronic device 100 receives an incoming call, the proximity sensor 16 is turned on and generates a signal value. The electronic device 100 determines whether the proximity sensor 16 is blocked according to the difference between the signal value generated by the proximity sensor 16 and the initial predetermined noise floor value. When shielded, the touch display screen 10 is controlled to be in an off state.

For example, the initial predetermined noise floor value of the proximity sensor 16 is 10. When the electronic device 100 is talking, the signal value generated by the proximity sensor 16 is 200, and the difference between the signal value generated by the proximity sensor 16 and the initial predetermined noise floor value is 190. At this time, if the distance threshold is 160, then the difference 190 is greater than the distance threshold 160 (190>160). At this time, it can be determined that the proximity sensor 16 is not blocked, and the touch screen 10 can be controlled to be in a lighted state.

However, during the use of the electronic device 100, the touch display screen 10 may be affected by a drop, impact, etc. on the electronic device 100, thereby causing the proximity sensor 16 to be affected by compression, etc., resulting in an increase in the noise floor value of the proximity sensor 16, so that the The electronic device 100 cannot accurately control the display state of the touch display screen 10 .

For example, when the proximity sensor 16 is impacted, the current noise floor value of the proximity sensor 16 may become 180. When the electronic device 100 is talking, the signal value generated by the proximity sensor 16 is 200, and the signal value generated by the proximity sensor 16 is the same as the current noise floor value. The difference between the values is 20. At this time, if the proximity threshold is 100, then the difference 20 is less than the proximity threshold 100 (20<100). At this time, it can be determined that the proximity sensor 16 is blocked, and the touch screen 10 is controlled to be in an off state. . On the other hand, under normal conditions, when the noise floor value of the proximity sensor 16 does not change, the proximity sensor 16 is determined to be in a state that is not blocked.

It can be seen from this that when the noise floor value of the proximity sensor 16 changes, misjudgment of the state of the proximity sensor 16 may occur, and the display state of the touch display screen 10 cannot be accurately controlled.

To sum up, the calibration method and the electronic device 100 according to the embodiments of the present application calibrate the current noise floor value of the proximity sensor 16 to an initial predetermined noise floor value according to a plurality of signal values generated by the proximity sensor 16 when the touch display screen 10 is in an off state , so that the electronic device 100 can accurately control the display state of the touch display screen 10 according to the signal value of the proximity sensor 16 during a call.

Specifically, in step S12, the display state of the touch display screen 10 includes an off state and an on state. The off state means that the touch display screen 10 of the electronic device 100 is powered off, and the touch display screen 10 cannot emit light. At this time, the display area 1311 has a black appearance.

The lighting state of the touch display screen 10 means that the touch display screen 10 is powered on, and the display area 1311 can emit light to display content.

When the touch screen 10 is in an off state, the electronic device 100 may be in a call state, or may be in a non-call state. Preferably, the electronic device 100 is in a non-communication state, that is, when the electronic device 100 is in a non-communication state and is turned off, the plurality of signals generated by the proximity sensor 16 are acquired.

Referring to FIG. 20, in some embodiments, step S14 includes:

S142: Determine whether the multiple signal values are stable, and whether each of the signal values is less than a first threshold;

Step S16 includes:

S162: When the plurality of signal values are stable and each of the signal values is less than a first threshold, calibrate the current noise floor value of the proximity sensor 16 to an initial predetermined noise floor value.

In some embodiments, the processor 23 is configured to: determine whether the plurality of signal values are stable, and whether each of the signal values is less than a first threshold; when the plurality of signal values are stable and each of the signal values is stable When the signal values are all smaller than the first threshold, the current noise floor value of the proximity sensor 16 is calibrated to an initial predetermined noise floor value.

Specifically, in step S142, judging whether the multiple signal values are stable can make the calibration process of the proximity sensor 16 more accurate. For example, when the plurality of signal values generated by the proximity sensor 16 are stable, it indicates that the state of the electronic device 100 is stable. When each signal value is less than the first threshold, it indicates that the electronic device 100 is in a specific state.

It can be understood that when the proximity sensor 16 is not blocked, the signal value generated by the proximity sensor 16 is the current noise floor value of the proximity sensor 16 . Typically, the current noise floor value of the proximity sensor 16 is less than a threshold. For example, before applying the proximity sensor 16, the noise floor value of the proximity sensor 16 can be corrected to be less than 1000, that is, no matter how the proximity sensor 16 is affected, if the proximity sensor 16 is not blocked, the proximity sensor 16 produced signal values less than 1000.

In step S142, the first threshold may be set to 1000. At this time, when each signal value is less than 1000, it can be determined that the proximity sensor 16 is not blocked. When the proximity sensor 16 is not blocked, the current noise floor value of the proximity sensor 16 is calibrated to the initial predetermined noise floor value, so that the proximity sensor 16 is not blocked. Calibration of sensor 16 is more accurate.

For example, the five signal values sequentially generated by the proximity sensor 16 are 210, 211, 212, 210, and 213. At this time, the five signal values are all less than 1000, and the current noise floor value of the proximity sensor 16 can be calibrated to 10.

It can be understood that whether the current noise floor value of the proximity sensor 16 is calibrated to 10 can be determined according to the signal value generated by the proximity sensor 16 . For example, after the current noise floor value of the proximity sensor 16 is calibrated, the signal value generated by the proximity sensor 16 is 10, then it can be determined that the current noise floor value of the proximity sensor 16 has been calibrated to 10.

Referring to FIG. 21, in some embodiments, the step of judging whether the multiple signal values are stable includes:

S1421: Remove the maximum signal value and the minimum signal value from the plurality of signal values;

S1422: Determine whether the absolute value of the difference between any two of the remaining plurality of the signal values is smaller than a second threshold;

S1423: Determine that the plurality of signal values are stable when the absolute value of the difference is smaller than the second threshold.

In some embodiments, the processor 23 is configured to: remove the maximum signal value and the minimum signal value among the plurality of signal values; determine the difference between any two of the remaining plurality of the signal values whether the absolute values of the differences are all smaller than a second threshold; and determining that the plurality of signal values are stable when the absolute values of the differences are smaller than the second threshold.

That is to say, steps S1421 , S1422 and S1423 can be implemented by the processor 23 .

In one example, the eight signal values generated by the proximity sensor 16 in sequence are 210, 211, 212, 210, 213, 212, 208, and 215. The second threshold may be ten. Then after removing the maximum signal value 215 and the minimum signal value 208, the remaining 6 signal values are 210, 211, 212, 210, 213, 212. Among the remaining 6 signal values, the difference between any two signal values The absolute value is less than 10, at this time, it can be determined that the 8 signal values are stable.

In this way, the method for judging the stability of multiple signal values is simple and effective, and the calculation is avoided from being too complicated.

It can be understood that the step of judging whether the multiple signal values are stable includes:

S1422: Determine that the plurality of signal values are unstable when the absolute value of the difference is greater than or equal to the second threshold.

In some embodiments, step S12 includes:

After each call of the electronic device 100 ends and the touch display screen 10 is in an off state, a plurality of signal values generated by the proximity sensor 16 are acquired.

In some embodiments, the processor 23 is configured to acquire a plurality of signal values generated by the proximity sensor 16 after each call of the electronic device 100 ends and the touch display screen 10 is in an off state.

In this way, the proximity sensor 16 can be calibrated after each call of the electronic device 100, so that the electronic device 100 can accurately control the display state of the touch display screen 10 during the next call. For example, the electronic device 100 can control the touch screen 10 to light up according to the signal value generated by the proximity sensor 16 when the electronic device 100 calls next time.

In some embodiments, step S12 includes:

When the touch display screen 10 is in an off state, a plurality of signal values generated by the proximity sensor 16 within a predetermined period of time are acquired.

In some embodiments, the processor 23 is configured to acquire a plurality of signal values generated by the proximity sensor 16 within a predetermined time period when the touch display screen 10 is in an off state.

In this way, multiple signal values generated by the proximity sensor 16 in a predetermined time period are acquired, so that the process of acquiring the signal values is continuous, preventing the acquisition of signal values when the state of the electronic device 100 changes, which can improve the calibration accuracy of the proximity sensor 16 . For example, the predetermined time period is 10 seconds, that is, a plurality of signal values generated by the proximity sensor 16 in consecutive 10 seconds can be acquired.

In certain embodiments, the calibration method further comprises:

When the electronic device 100 is in the call service, the display state of the touch display screen 10 is controlled according to the signal value generated by the proximity sensor 16 and the initial predetermined noise floor value.

In some embodiments, the processor is configured to control the display of the touch display screen 10 according to the signal value generated by the proximity sensor 16 and the initial predetermined noise floor value when the electronic device 100 is in a call service state.

In this way, as described above, the touch display screen 10 can be controlled to be in an on state or an off state according to the signal value generated by the proximity sensor 16 and the initial predetermined noise floor value.

Specifically, referring to FIG. 22 , the call service includes incoming calls, outgoing calls, or connected calls. It can be understood that when an incoming call, an outgoing call or a call is connected, the user generally puts the electronic device 100 to the ear, and adjusts the state of the touch screen 10 according to the distance between the electronic device 100 and the head of the human body according to the proximity sensor 16, so that the electronic device 100 can be adjusted. When the device 100 is far away from the human body, the screen is turned on, and when it is close to the human body, the screen is turned off, which not only prevents the user from misoperation, but also saves the power of the electronic device 100 .

Further, the call service can be a process in which the user conducts a voice conversation. For example, the call service is a process in which the user dials out a call to others and waits for the other party to answer, that is, an outgoing call state; it can also be a process in which the user is talking with others through voice, That is, the call-on state; it can also be a process in which the electronic device 100 accesses an incoming call from the outside and waits for the user to answer, that is, the incoming call state.

The embodiments of the present application also provide a computer-readable storage medium. One or more non-volatile computer-readable storage media containing computer-executable instructions, when executed by one or more processors 23, cause the processors 23 to perform the calibration method of any of the above-described embodiments.

Referring to FIG. 23 , an embodiment of the present application further provides a computer device 400 . The computer device includes a memory 32 and a processor 23. Computer-readable instructions are stored in the memory 32. When the instructions are executed by the processor 23, the processor 23 executes the calibration method in any of the above embodiments.

FIG. 23 is a schematic diagram of the internal modules of computer device 400 in one embodiment. The computer device 400 includes a processor 23 , a memory 32 (eg, a non-volatile storage medium), an internal memory 33 , a display layer 13 and an input device 34 connected by a system bus 31 . Among them, the memory 32 of the computer device 400 stores an operating system and computer-readable instructions. The computer readable instructions are executable by the processor 23 to implement the calibration method of any of the above embodiments.

The processor 23 may be used to provide computing and control capabilities to support the operation of the entire computer device 400 . Internal memory 33 of computer device 400 provides an environment for the execution of computer readable instructions in memory 32 . The display layer 13 of the computer device 400 may be an OLED display layer or a Micro LED display layer, etc., and the input device 34 may be the touch display screen 10 disposed on the display layer 13 , or the buttons or trackballs disposed on the shell of the computer device 400 . Or a touchpad, or an external keyboard, touchpad, or mouse, etc. The computer device 400 may be a mobile phone, a tablet computer, a laptop computer, a personal digital assistant, or a wearable device (eg, a smart bracelet, a smart watch, a smart helmet, smart glasses), and the like. Those skilled in the art can understand that the structure shown in the figure is only a schematic diagram of a part of the structure related to the solution of the present application, and does not constitute a limitation on the computer device 400 to which the solution of the present application is applied. The specific computer device 400 More or fewer components than shown in the figures may be included, or some components may be combined, or have a different arrangement of components.

Those of ordinary skill in the art can understand that the realization of all or part of the processes in the methods of the above embodiments can be accomplished by instructing the relevant hardware through a computer program, and the program can be stored in a non-volatile computer-readable storage medium. When the program is executed, it may include the flow of the embodiments of the above-mentioned methods. The storage medium may be a magnetic disk, an optical disk, a read-only memory (Read-Only Memory, ROM), or the like.

Those of ordinary skill in the art can understand that the realization of all or part of the processes in the methods of the above embodiments can be accomplished by instructing the relevant hardware through a computer program, and the program can be stored in a non-volatile computer-readable storage medium. When the program is executed, it may include the flow of the embodiments of the above-mentioned methods. The storage medium may be a magnetic disk, an optical disk, a read-only memory (Read-Only Memory, ROM), and the like.

The above examples only represent several embodiments of the present application, and the descriptions thereof are relatively specific and detailed, but should not be construed as a limitation on the scope of the patent of the present application. It should be pointed out that for those skilled in the art, without departing from the concept of the present application, several modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the scope of protection of the patent of the present application shall be subject to the appended claims.

Claims (12)

1. A calibration method for a proximity sensor of an electronic device, wherein the electronic device comprises a touch display screen, the proximity sensor is arranged below the touch display screen, and the calibration method comprises: When the touch display screen is in an off state, acquiring a plurality of signal values generated by the proximity sensor; judging whether the plurality of signal values meet the calibration conditions; When the plurality of signal values satisfy the calibration condition, the current noise floor value of the proximity sensor is calibrated to be an initial predetermined noise floor value. 2. The calibration method according to claim 1, wherein the judging whether the plurality of signal values satisfy a calibration condition comprises: judging whether the plurality of signal values are stable, and whether each of the signal values is less than a first threshold; When the multiple signal values satisfy the calibration condition, calibrating the current noise floor value of the proximity sensor to an initial predetermined noise floor value includes: When the plurality of signal values are stable and each of the signal values is less than a first threshold value, the current noise floor value of the proximity sensor is calibrated to an initial predetermined noise floor value. 3. The calibration method according to claim 2, wherein the judging whether the multiple signal values are stable comprises: removing the largest signal value and the smallest signal value from the plurality of signal values; judging whether the absolute value of the difference between any two of the remaining plurality of the signal values is smaller than the second threshold; The plurality of signal values are determined to be stable when the absolute value of the difference is smaller than the second threshold. 4 . The calibration method according to claim 1 , wherein when the touch display screen is in an off state, acquiring a plurality of signal values generated by the proximity sensor comprises: 5 . After each call of the electronic device ends and the touch screen is in an off state, acquire a plurality of signal values generated by the proximity sensor. 5 . The calibration method according to claim 1 , wherein when the touch screen is in an off state, acquiring a plurality of signal values generated by the proximity sensor comprises: 5 . When the touch screen is in an off state, acquire a plurality of signal values generated by the proximity sensor within a predetermined period of time. 6. The calibration method of claim 1, wherein the calibration method further comprises: When the electronic device is in the call service, the display state of the touch screen is controlled according to the signal value generated by the proximity sensor and the initial predetermined noise floor value. 7. An electronic device, comprising a touch display screen, a proximity sensor, and a processor, wherein the proximity sensor is disposed below the touch display screen, and the processor is used for: When the touch display screen is in an off state, acquiring a plurality of signal values generated by the proximity sensor; judging whether the plurality of signal values meet the calibration conditions; When the plurality of signal values satisfy the calibration condition, the current noise floor value of the proximity sensor is calibrated to be an initial predetermined noise floor value. 8. The electronic device of claim 7, wherein the processor is configured to: judging whether the plurality of signal values are stable, and whether each of the signal values is less than a first threshold; When the multiple signal values satisfy the calibration condition, calibrating the current noise floor value of the proximity sensor to an initial predetermined noise floor value includes: When the plurality of signal values are stable and each of the signal values is less than a first threshold value, the current noise floor value of the proximity sensor is calibrated to an initial predetermined noise floor value. 9. The electronic device of claim 7, wherein the processor is configured to: removing the largest signal value and the smallest signal value from the plurality of signal values; judging whether the absolute value of the difference between any two of the remaining plurality of the signal values is smaller than the second threshold; The plurality of signal values are determined to be stable when the absolute value of the difference is smaller than the second threshold. 10. The electronic device of claim 7, wherein the processor is configured to, when the electronic device is in a call service, control the electronic device according to the signal value generated by the proximity sensor and the initial predetermined noise floor value. Describe the display state of the touch screen. 11. One or more non-volatile computer-readable storage media containing computer-executable instructions that, when executed by one or more processors, cause the processors to perform claims 1-6 The calibration method described in any one of. 12. A computer device comprising a memory and a processor, wherein computer-readable instructions are stored in the memory, the instructions when executed by the processor cause the processor to execute any one of claims 1-6 the calibration method described.

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