CN110418003B - Brightness adjustment method, brightness adjustment device and mobile terminal - Google Patents

Abstract

The application discloses a brightness adjusting method, a brightness adjusting device, a mobile terminal and a computer readable storage medium, wherein the brightness adjusting method comprises the following steps: detecting whether the mobile terminal receives a visible light communication instruction; when the mobile terminal receives the visible light communication instruction, detecting whether the brightness level of the screen of the mobile terminal exceeds a preset brightness level threshold value; if the brightness level exceeds a preset brightness level threshold, adjusting the brightness level of the screen so that the adjusted brightness level of the screen does not exceed the brightness level threshold; and after the brightness level of the screen is adjusted, triggering the mobile terminal to carry out visible light communication with other equipment based on the visible light communication instruction. According to the scheme, the influence of the light emitted by the screen of the mobile terminal on the visible light communication between the mobile terminal and other equipment can be reduced.

Description

Brightness adjustment method, brightness adjustment device and mobile terminal

technical field

The present application belongs to the technical field of mobile terminal control, and in particular, relates to a brightness adjustment method, a brightness adjustment device, a mobile terminal and a computer-readable storage medium.

Background technique

Visible Light Communication (VLC) technology uses fluorescent lamps or light-emitting diodes (Light Emitting Diode, LED) and other components to transmit high-speed light and dark flashing signals invisible to the naked eye to transmit data, and has broad development prospects. Currently, when a mobile terminal communicates with other devices in visible light, the light signal generated by the screen of the mobile terminal is likely to affect the transmission or reception of the visible light signal, thereby affecting the visible light communication process between the mobile terminal and other devices.

SUMMARY OF THE INVENTION

In view of this, the present application provides a brightness adjustment method, a brightness adjustment device, a mobile terminal and a computer-readable storage medium, which can reduce the influence of the screen brightness of the mobile terminal on the visible light communication between the mobile terminal and other devices.

A first aspect of the present application provides a brightness adjustment method, comprising:

Detecting whether the mobile terminal has received a visible light communication command;

When the above-mentioned mobile terminal receives the above-mentioned visible light communication instruction, detecting whether the brightness level of the screen of the above-mentioned mobile terminal exceeds a preset brightness level threshold;

If the above-mentioned brightness level exceeds the preset brightness level threshold, the brightness level of the above-mentioned screen is adjusted, so that the adjusted brightness level of the above-mentioned screen does not exceed the above-mentioned brightness level threshold;

After the brightness level of the screen is adjusted, the mobile terminal is triggered to perform visible light communication with other devices based on the visible light communication instruction.

A second aspect of the present application provides a brightness adjustment device, comprising:

an instruction detection unit for detecting whether the mobile terminal receives a visible light communication instruction;

a brightness detection unit, configured to detect whether the brightness level of the screen of the mobile terminal exceeds a preset brightness level threshold when the mobile terminal receives the visible light communication instruction;

a brightness control unit, configured to adjust the brightness level of the screen if the brightness level exceeds a preset brightness level threshold, so that the adjusted brightness level of the screen does not exceed the brightness level threshold;

The communication triggering unit is configured to trigger the mobile terminal to perform visible light communication with other devices based on the visible light communication instruction after adjusting the brightness level of the screen.

A third aspect of the present application provides a mobile terminal. The mobile terminal includes a memory, a processor, and a computer program stored in the memory and running on the processor. When the processor executes the computer program, the above-mentioned computer program is implemented. The steps of the method of the first aspect.

A fourth aspect of the present application provides a computer-readable storage medium, where the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the steps of the method of the first aspect are implemented.

A fifth aspect of the present application provides a computer program product, the computer program product includes a computer program, and when the computer program is executed by one or more processors, implements the steps of the method of the first aspect.

As can be seen from the above, in the solution of the present application, it is first detected whether the mobile terminal receives the visible light communication command, and when the mobile terminal receives the visible light communication command, it is detected whether the brightness level of the screen of the mobile terminal exceeds the preset brightness level threshold. , if the above-mentioned brightness level exceeds the preset brightness level threshold, then the brightness level of the above-mentioned screen is adjusted so that the adjusted brightness level of the above-mentioned screen does not exceed the above-mentioned brightness level threshold. After adjusting the brightness level of the above-mentioned screen , triggering the mobile terminal to perform visible light communication with other devices based on the visible light communication instruction. According to the solution of the present application, before the mobile terminal performs visible light communication, the brightness level of the screen of the mobile terminal is adjusted to reduce the influence of the light emitted by the screen of the mobile terminal on the visible light communication between the mobile terminal and other devices.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present application more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only for the present application. In some embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

1 is a schematic structural diagram of a mobile phone to which a brightness adjustment method provided by an embodiment of the present application is applicable;

2 is a schematic flowchart of a first brightness adjustment method provided by an embodiment of the present application;

3 is a schematic flowchart of a second brightness adjustment method provided by an embodiment of the present application;

4 is a schematic diagram of a screen light source in a brightness adjustment method provided by an embodiment of the present application;

FIG. 5 is a schematic structural diagram of a brightness adjustment device provided by an embodiment of the present application;

FIG. 6 is a schematic structural diagram of a mobile terminal provided by an embodiment of the present application.

Detailed ways

In the following description, for the purpose of illustration rather than limitation, specific details such as a specific system structure and technology are set forth in order to provide a thorough understanding of the embodiments of the present application. However, it will be apparent to those skilled in the art that the present application may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

It is to be understood that, when used in this specification and the appended claims, the term "comprising" indicates the presence of the described feature, integer, step, operation, element and/or component, but does not exclude one or more other The presence or addition of features, integers, steps, operations, elements, components and/or sets thereof.

It will also be understood that, as used in this specification and the appended claims, the term "and/or" refers to and including any and all possible combinations of one or more of the associated listed items.

As used in the specification of this application and the appended claims, the term "if" may be contextually interpreted as "when" or "once" or "in response to determining" or "in response to detecting ". Similarly, the phrases "if it is determined" or "if the [described condition or event] is detected" may be interpreted, depending on the context, to mean "once it is determined" or "in response to the determination" or "once the [described condition or event] is detected. ]" or "in response to detection of the [described condition or event]".

References in this specification to "one embodiment" or "some embodiments" and the like mean that a particular feature, structure or characteristic described in connection with the embodiment is included in one or more embodiments of the present application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," "in other embodiments," etc. in various places in this specification are not necessarily All refer to the same embodiment, but mean "one or more but not all embodiments" unless specifically emphasized otherwise. The terms "including", "including", "having" and their variants mean "including but not limited to" unless specifically emphasized otherwise.

The brightness adjustment method provided by the embodiments of the present application can be applied to mobile phones, tablet computers, wearable devices, vehicle-mounted devices, augmented reality (AR)/virtual reality (VR) devices, notebook computers, and super mobile personal computers On mobile terminals such as (ultra-mobile personal computer, UMPC), personal digital assistant (personal digital assistant, PDA), the embodiment of the present application does not impose any restrictions on the specific type of the mobile terminal.

Take the mobile terminal as a mobile phone as an example. FIG. 1 is a block diagram showing a partial structure of a mobile phone provided by an embodiment of the present application. Referring to FIG. 1 , the mobile phone includes: a radio frequency (RF) circuit 110 , a memory 120 , an input unit 130 , a display unit 140 , a sensor 150 , an audio circuit 160 , a wireless fidelity (WiFi) module 170 , and a processor 180 , and components such as the power supply 190 . Those skilled in the art can understand that the structure of the mobile phone shown in FIG. 1 does not constitute a limitation on the mobile phone, and may include more or less components than the one shown, or combine some components, or arrange different components.

The following describes the various components of the mobile phone in detail with reference to Figure 1:

The RF circuit 110 can be used for receiving and sending signals during sending and receiving of information or during a call. In particular, after receiving the downlink information of the base station, it is processed by the processor 180; in addition, the designed uplink data is sent to the base station. Typically, the RF circuit includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a Low Noise Amplifier (LNA), a duplexer, and the like. In addition, the RF circuitry 110 may also communicate with networks and other devices via wireless communications. The above-mentioned wireless communication can use any communication standard or protocol, including but not limited to Global System of Mobile communication (GSM), General Packet Radio Service (General Packet Radio Service, GPRS), Code Division Multiple Access (Code Division Multiple Access) , CDMA), Wideband Code Division Multiple Access (Wideband Code Division Multiple Access, WCDMA), Long Term Evolution (Long Term Evolution, LTE)), email, Short Messaging Service (Short Messaging Service, SMS) and the like.

The memory 120 can be used to store software programs and modules, and the processor 180 executes various functional applications and data processing of the mobile phone by running the software programs and modules stored in the memory 120 . The memory 120 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function (such as a sound playback function, an image playback function, etc.), and the like; Data created by the use of the mobile phone (such as audio data, phone book, etc.), etc. Additionally, memory 120 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.

The input unit 130 may be used to receive input numerical or character information, and generate key signal input related to user settings and function control of the mobile phone 100 . Specifically, the input unit 130 may include a touch panel 131 and other input devices 132 . The touch panel 131, also referred to as a touch screen, can collect the user's touch operations on or near it (such as the user's finger, stylus, etc., any suitable objects or accessories on or near the touch panel 131 ). operation), and drive the corresponding connection device according to the preset program. Optionally, the touch panel 131 may include two parts, a touch detection device and a touch controller. Among them, the touch detection device detects the user's touch orientation, detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, and then sends it to the touch controller. To the processor 180, and can receive the commands sent by the processor 180 and execute them. In addition, the touch panel 131 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic waves. Besides the touch panel 131 , the input unit 130 may also include other input devices 132 . Specifically, other input devices 132 may include, but are not limited to, one or more of physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, joysticks, and the like.

The display unit 140 may be used to display information input by the user or information provided to the user and various menus of the mobile phone. The display unit 140 may include a display panel 141, and optionally, the display panel 141 may be configured in the form of a liquid crystal display (Liquid Crystal Display, LCD), an organic light-emitting diode (Organic Light-Emitting Diode, OLED), or the like. Further, the touch panel 131 may cover the display panel 141, and when the touch panel 131 detects a touch operation on or near it, it transmits it to the processor 180 to determine the type of the touch event, and then the processor 180 determines the type of the touch event according to the touch event. Type provides corresponding visual output on display panel 141 . Although in FIG. 1, the touch panel 131 and the display panel 141 are used as two independent components to realize the input and input functions of the mobile phone, in some embodiments, the touch panel 131 and the display panel 141 can be integrated to form a Realize the input and output functions of the mobile phone.

The cell phone 100 may also include at least one sensor 150, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor may include an ambient light sensor and a proximity sensor, wherein the ambient light sensor may adjust the brightness of the display panel 141 according to the brightness of the ambient light, and the proximity sensor may turn off the display panel 141 and/or when the mobile phone is moved to the ear. or backlight. As a kind of motion sensor, the accelerometer sensor can detect the magnitude of acceleration in all directions (usually three axes), and can detect the magnitude and direction of gravity when it is stationary. games, magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tapping), etc.; as for other sensors such as gyroscope, barometer, hygrometer, thermometer, infrared sensor, etc. Repeat.

The audio circuit 160, the speaker 161, and the microphone 162 can provide an audio interface between the user and the mobile phone. The audio circuit 160 can transmit the received audio data converted electrical signal to the speaker 161, and the speaker 161 converts it into a sound signal for output; on the other hand, the microphone 162 converts the collected sound signal into an electrical signal, which is converted by the audio circuit 160 After receiving, it is converted into audio data, and then the audio data is output to the processor 180 for processing, and then sent to, for example, another mobile phone through the RF circuit 110, or the audio data is output to the memory 120 for further processing.

WiFi is a short-distance wireless transmission technology, and the mobile phone can help users to send and receive emails, browse web pages and access streaming media through the WiFi module 170, which provides users with wireless broadband Internet access. Although FIG. 1 shows the WiFi module 170, it can be understood that it is not a necessary component of the mobile phone 100, and can be completely omitted as required within the scope of not changing the essence of the invention.

The processor 180 is the control center of the mobile phone, using various interfaces and lines to connect various parts of the entire mobile phone, by running or executing the software programs and/or modules stored in the memory 120, and calling the data stored in the memory 120. Various functions of the mobile phone and processing data, so as to monitor the mobile phone as a whole. Optionally, the processor 180 may include one or more processing units; preferably, the processor 180 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, and application programs, etc. , the modem processor mainly deals with wireless communication. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor 180 .

The mobile phone 100 also includes a power supply 190 (such as a battery) for supplying power to various components. Preferably, the power supply can be logically connected to the processor 180 through a power management system, so as to manage charging, discharging, and power consumption management functions through the power management system.

Although not shown, the cell phone 100 may also include a camera. Optionally, the position of the camera on the mobile phone 100 may be front or rear, which is not limited in this embodiment of the present application.

Optionally, the mobile phone 100 may include a single camera, a dual camera, or a triple camera, etc., which is not limited in this embodiment of the present application.

For example, the mobile phone 100 may include three cameras, wherein one is a main camera, one is a wide-angle camera, and one is a telephoto camera.

Optionally, when the mobile phone 100 includes multiple cameras, the multiple cameras may be all front-facing, all rear-facing, or part of the front-facing camera and another part of the rear-facing camera, which is not limited in this embodiment of the present application.

In addition, although not shown, the mobile phone 100 may also include a Bluetooth module, etc., which will not be described herein again.

In an application scenario, when a user uses a mobile terminal to communicate with other devices in visible light, if the screen of the mobile terminal is in a bright screen state, the brightness of the screen of the mobile terminal may affect the light emitted by the mobile terminal during the visible light communication process. Or the received visible light signal, in order to solve this problem, the embodiment of the present application adjusts the screen brightness of the mobile terminal before the mobile terminal performs visible light communication, so as to avoid the screen being too bright and affecting the visible light communication between the mobile terminal and other devices.

Specifically, FIG. 2 shows a flowchart of a first brightness adjustment method provided by an embodiment of the present application. The brightness adjustment method is applied to a mobile terminal, including:

Step 201, detecting whether the mobile terminal receives a visible light communication instruction;

In this embodiment of the present application, after the mobile terminal is started, the user may input a visible light communication instruction to the mobile terminal to subsequently trigger visible light communication between the mobile terminal and other devices. The above other devices may be smart phones, tablet computers, smart watches, etc., which are not limited here. Specifically, if the mobile terminal needs to transmit data to other devices, the user can input the visible light communication instruction to the mobile terminal by clicking on the screen of the mobile terminal to select the data to be transmitted and the corresponding "visible light transmission" virtual button, wherein the above virtual The name of the button is only an example; or, if the mobile terminal is required to receive data transmitted by other devices, the user can input a visible light communication instruction to the mobile terminal through a preset operation of the designated key of the mobile terminal, wherein the designated key can be It is a combination of two or more existing physical buttons of the mobile terminal. The above-mentioned preset operation may be a short-press operation or a long-press operation, etc., which is not limited here.

Optionally, considering that only in the bright screen state, the brightness of the screen of the mobile terminal will affect the visible light communication between the mobile terminal and other devices. Therefore, before the above step 201, the above-mentioned brightness adjustment method further includes:

Detect the screen state of the above-mentioned mobile terminal;

Correspondingly, the above step 201 includes:

If the mobile terminal is in a bright screen state, when the mobile terminal receives the visible light communication instruction, it is detected whether the brightness level of the screen of the mobile terminal exceeds a preset brightness level threshold.

That is to say, the screen brightness of the mobile terminal is adjusted based on the visible light communication command only when the mobile terminal is in the bright screen state, and when the mobile terminal is in the screen off state, the influence of the screen brightness on the visible light communication does not need to be considered. Specifically, when the mobile terminal is in a screen-off state, if the mobile terminal needs to perform visible light communication, a visible light signal can be sent through the flash (as the sender), and the visible light signal can be received through the rear camera (as the receiver).

Step 202, when the above-mentioned mobile terminal receives the above-mentioned visible light communication instruction, detect whether the brightness level of the screen of the above-mentioned mobile terminal exceeds a preset brightness level threshold;

In the embodiment of the present application, once the mobile terminal receives the above-mentioned visible light communication instruction, it immediately detects whether the brightness level of the screen of the mobile terminal exceeds the preset brightness level threshold. The above-mentioned brightness level threshold may be set by the mobile terminal when it leaves the factory, or may be set actively by the user, which is not limited here. Specifically, in order to reduce the influence of the brightness of the screen on the subsequent visible light communication, in this embodiment of the present application, the above-mentioned brightness level threshold may be set to a small value. The above-mentioned brightness level threshold may be set to 5 levels, which is only an example.

Step 203, if the above-mentioned brightness level exceeds a preset brightness level threshold, adjust the brightness level of the above-mentioned screen;

In the embodiment of the present application, when it is detected and found that the above-mentioned brightness level exceeds the above-mentioned preset brightness level threshold, it is considered that the screen of the mobile terminal is too bright, which is likely to have an impact on the subsequent visible light communication. Based on this, it is necessary to adjust the brightness of the screen. The adjustment is specifically performed by reducing the brightness level of the screen, so that the brightness level of the adjusted screen does not exceed the brightness level threshold. Optionally, a target brightness level can be preset, and when the above-mentioned brightness level exceeds the preset brightness level threshold, the above-mentioned brightness level can be directly adjusted to the target brightness level; of course, the user can also automatically adjust the brightness level on the mobile terminal. After the brightness level of the screen is adjusted, the brightness level of the screen is manually fine-tuned, and the brightness level obtained by the user's manual fine-tuning is updated to a new target brightness level.

Step 204 , triggering the mobile terminal to perform visible light communication with other devices based on the visible light communication instruction.

In the embodiment of the present application, after the brightness level of the above-mentioned screen is adjusted, the mobile terminal is triggered to perform visible light communication with other devices based on the above-mentioned visible light communication instruction. The sending end of the visible light signal sends data to other devices, or the mobile terminal may serve as the receiving end of the visible light signal to receive data sent by other devices. Further, before the above-mentioned visible light communication starts, and after the above-mentioned visible light communication ends, a corresponding voice reminder message can be output. For example, before the above-mentioned visible light communication starts, the mobile terminal Rear camera) to receive visible light signals” or “send visible light signals through the flash (or the light source area of the screen) after x seconds”; after the above-mentioned visible light communication ends, the mobile terminal can voice output “this visible light communication has ended”.

Optionally, when the aforementioned brightness level exceeds a preset brightness level threshold, the aforementioned brightness adjustment method further includes:

Record the current brightness level of the above-mentioned mobile terminal as the original brightness level;

Then, after adjusting the brightness level of the above-mentioned screen, the above-mentioned brightness adjustment method further includes:

When the mobile terminal ends the current visible light communication, the brightness level of the screen is restored to the original brightness level.

In the embodiment of the present application, in order not to affect the normal use of the mobile terminal by the user, and to avoid the user from manually adjusting the brightness level of the screen many times before and after the visible light communication on the mobile terminal, when the above-mentioned brightness level exceeds the preset brightness level threshold, the The current brightness level of the mobile terminal is recorded in the cache area of the mobile terminal, and the current brightness level is marked as the original brightness level. Once the subsequent visible light communication ends, the brightness level of the screen can be immediately restored to the original brightness level, so that the mobile terminal returns to the screen brightness before being dimmed, so that the user can continue to use the mobile terminal normally.

As can be seen from the above, in the embodiment of the present application, after the mobile terminal receives the visible light communication instruction, the brightness level of the screen of the mobile terminal is detected first, and when the screen of the mobile terminal is too bright, the screen brightness of the mobile terminal is reduced, Then, based on the received visible light communication command, the mobile terminal and other devices are triggered to perform visible light communication operations, so as to reduce the impact of the light emitted by the screen of the mobile terminal on the visible light communication between the mobile terminal and other devices.

It should be understood that the size of the sequence numbers of the steps in the above embodiments does not mean the sequence of execution, and the execution sequence of each process should be determined by its function and internal logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.

In another embodiment, according to the communication role of the mobile terminal in the visible light communication process, the mobile terminal may perform different operations, for example, the mobile terminal may be a receiving end of visible light communication, receiving visible light signals sent by other devices; Alternatively, it can also be used as a transmitter of visible light communication to send visible light signals to other devices. Based on this, FIG. 3 shows a flowchart of a second brightness adjustment method provided by an embodiment of the present application. The brightness adjustment method is applied to a mobile terminal, including:

In step 301, it is detected whether the mobile terminal has received a visible light communication instruction;

In step 302, when the above-mentioned mobile terminal receives the above-mentioned visible light communication instruction, it is detected whether the brightness level of the screen of the above-mentioned mobile terminal exceeds a preset brightness level threshold;

In this embodiment of the present application, the above steps 301 and 302 are respectively the same as the above steps 201 and 202. For details, please refer to the implementation process of the above steps 201 and 202, which will not be repeated here.

In step 303, if the above-mentioned brightness level exceeds the preset brightness level threshold, the above-mentioned visible light communication instruction is parsed, and the communication role of the above-mentioned mobile terminal in the above-mentioned visible light communication process is determined;

In the embodiment of the present application, the above-mentioned visible light communication instruction will indicate the communication role played by the mobile terminal in the next visible light communication process, and the above-mentioned communication role includes a sending end and a receiving end. The sending end is used to send visible light signals to other devices, and the receiving end is used to receive visible light signals sent by other devices.

In step 304, if the above-mentioned mobile terminal is the transmitting end of the above-mentioned visible light communication, the light source of the above-mentioned transmitting end is determined based on the above-mentioned visible light communication instruction;

In step 305, if the above-mentioned mobile terminal is the receiving end of the above-mentioned visible light communication, the receiver of the above-mentioned receiving end is determined based on the above-mentioned visible light communication instruction;

In this embodiment of the present application, the above-mentioned visible light communication instruction not only indicates the communication role, but also indicates the components enabled by the mobile terminal in the next visible light communication process. For example, when the mobile terminal is used as the transmitting end, a flash light may be used as the light source, and a screen may also be used as the light source, which is not limited here. Specifically, in order not to affect the normal use of the mobile terminal during the visible light communication process, when the screen is used as the light source, only the LED elements in a small area of the screen are often used as the light source. As shown in Figure 4, the screen is divided into light source areas and other areas. When the mobile terminal is used as the receiving end, the front camera may be used as the receiver, and the rear camera may also be used as the receiver.

In step 306, a screen brightness adjustment area associated with the above-mentioned visible light communication is determined according to the above-mentioned light source or the above-mentioned receiver;

Specifically, when the above-mentioned light source is a screen light source, a light source area may be defined based on the position of the above-mentioned light source on the screen, wherein the above-mentioned light source area only includes the above-mentioned light source, and then other areas on the above-mentioned screen except the above-mentioned light source area are determined. Adjust area for screen brightness. That is, no adjustment is made to the light source area in Figure 4, since this area contains the light source. Specifically, when sending a visible light signal through the light source area, the mobile terminal will preprocess the data to be transmitted, then perform code modulation, and finally drive the LED element in the light source area to modulate its brightness, and convert the electrical signal into an optical signal Send out to realize the transmission of visible light. That is to say, the brightness of this light source area is determined based on the data to be transmitted in the visible light communication process. Of course, when a flashlight is used as the light source, the process of sending the visible light signal is similar to the above-mentioned process of sending the visible light signal through the screen light source, which will not be repeated here. It should be noted that during the process of the above-mentioned light source area sending visible light signals to the outside, the above-mentioned screen brightness adjustment area will keep working normally. The transmission data sends visible light to the outside, and the brightness of the light source area changes dynamically based on the data to be transmitted; the above-mentioned screen brightness adjustment area continues to maintain normal video playback, but the brightness during video playback is reduced, and the above-mentioned screen brightness adjustment area The brightness of the area The rating remains unchanged without manual fine-tuning by the user. That is, in the process of visible light communication, the display content of the above-mentioned screen brightness adjustment area will not be changed.

Specifically, when the receiving end is a front-facing camera, considering that the screen and the front-facing camera are on the same side of the mobile terminal, the brightness of the screen of the mobile terminal may still interfere with the reception of the visible light signal of the front-facing camera. Therefore, all areas of the above-mentioned screen can be determined as the screen brightness adjustment area, that is, the brightness level of the whole of the above-mentioned screen can be adjusted.

Specifically, when the mobile terminal is the transmitting end and the light source is the flash, or, when the mobile terminal is the receiving end, and the receiving end is the rear camera, the flash and the rear camera are not in contact with the screen. On the same side of the mobile terminal, therefore, the impact of the brightness of the screen on the above-mentioned flash and the rear camera is small, and at this time, the brightness level of the above-mentioned screen may not be adjusted.

In step 307, the brightness level of the above-mentioned screen brightness adjustment area is adjusted;

In step 308, the above-mentioned mobile terminal is triggered to perform visible light communication with other devices based on the above-mentioned visible light communication instruction.

In this embodiment of the present application, the foregoing steps 307 and 308 are respectively similar to the foregoing steps 203 and 204. For details, reference may be made to the implementation processes of the foregoing steps 203 and 204, which will not be repeated here.

It can be seen from the above that in the embodiment of the present application, after the mobile terminal receives the visible light communication instruction, the brightness level of the screen of the mobile terminal is detected first. It determines the corresponding screen brightness adjustment area and reduces the brightness of the screen brightness adjustment area, and then triggers the mobile terminal to perform visible light communication with other devices based on the received visible light communication command. The operation is performed to reduce the influence of the light emitted by the screen of the mobile terminal on the visible light communication between the mobile terminal and other devices.

It should be understood that the size of the sequence numbers of the steps in the above embodiments does not mean the sequence of execution, and the execution sequence of each process should be determined by its function and internal logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.

Corresponding to the brightness adjustment method of the above embodiment, FIG. 5 shows a structural block diagram of a brightness adjustment apparatus provided by an embodiment of the present application, and the brightness adjustment apparatus is applied to a mobile terminal. Apply for the relevant part of the example.

5 , the brightness adjustment device 5 includes: an instruction detection unit 501 , a brightness detection unit 502 , a brightness control unit 503 and a communication trigger unit 504 .

Wherein, the above-mentioned instruction detection unit 501 is used to detect whether the mobile terminal receives a visible light communication instruction;

The above-mentioned brightness detection unit 502 is configured to detect whether the brightness level of the screen of the above-mentioned mobile terminal exceeds a preset brightness level threshold when the above-mentioned mobile terminal receives the above-mentioned visible light communication instruction;

The above-mentioned brightness control unit 503 is configured to adjust the brightness level of the above-mentioned screen if the above-mentioned brightness level exceeds the preset brightness level threshold, so that the adjusted brightness level of the above-mentioned screen does not exceed the above-mentioned brightness level threshold;

The communication triggering unit 504 is configured to trigger the mobile terminal to perform visible light communication with other devices based on the visible light communication instruction after adjusting the brightness level of the screen.

Optionally, the above-mentioned brightness adjustment device 5 also includes:

a state detection unit, configured to detect the screen state of the above-mentioned mobile terminal before the above-mentioned instruction detection unit 501 detects whether the above-mentioned mobile terminal has received a visible light communication instruction;

Correspondingly, the above-mentioned instruction detection unit 501 is specifically configured to detect whether the brightness level of the screen of the above-mentioned mobile terminal exceeds a preset brightness level when the above-mentioned mobile terminal receives the above-mentioned visible light communication instruction if the above-mentioned mobile terminal is in a bright screen state. threshold.

Optionally, the above-mentioned brightness control unit 503 includes:

a role judgment subunit, configured to parse the above-mentioned visible light communication instruction, and judge the communication role of the above-mentioned mobile terminal in the above-mentioned visible light communication process;

a light source determination subunit, configured to determine the light source of the above-mentioned transmitting end based on the above-mentioned visible light communication instruction if the above-mentioned mobile terminal is the transmitting end of the above-mentioned visible light communication;

a receiver determining subunit, configured to determine the receiver of the receiving end based on the visible light communication instruction if the mobile terminal is the receiving end of the visible light communication;

a screen brightness adjustment area determination subunit, configured to determine a screen brightness adjustment area associated with the above-mentioned visible light communication according to the above-mentioned light source or the above-mentioned receiver;

The brightness adjustment subunit is used to adjust the brightness level of the above-mentioned screen brightness adjustment area.

Optionally, the above-mentioned screen brightness adjustment area determination subunit is specifically configured to, when the above-mentioned mobile terminal is the transmitting end of the above-mentioned visible light communication, and the above-mentioned light source is a screen light source, demarcate the light source area based on the position of the above-mentioned light source on the screen, wherein , the above-mentioned light source area only includes the above-mentioned light source; the area on the above-mentioned screen other than the above-mentioned light source area is determined as the screen brightness adjustment area.

Optionally, the above-mentioned screen brightness adjustment area determination subunit is specifically also used to determine all areas of the above-mentioned screen as the screen brightness adjustment when the above-mentioned mobile terminal is the receiving end of the above-mentioned visible light communication, and the above-mentioned receiving end is a front camera. area.

Optionally, the above-mentioned brightness control unit 503 is further configured to not adjust the brightness level of the above-mentioned screen when the above-mentioned light source is a flash, or when the above-mentioned receiving end is a rear camera.

Optionally, the above-mentioned brightness adjustment device 5 also includes:

a recording unit, configured to record the current brightness level of the mobile terminal as the original brightness level when the brightness level exceeds a preset brightness level threshold;

The restoring unit is configured to restore the brightness level of the screen to the original brightness level when the mobile terminal ends the current visible light communication after adjusting the brightness level of the screen.

It can be seen from the above that in the embodiment of the present application, after the mobile terminal receives the visible light communication instruction, the brightness adjustment device first detects the brightness level of the screen of the mobile terminal, and when the screen of the mobile terminal is too bright, lowers the brightness level of the mobile terminal. The brightness of the screen is then triggered based on the received visible light communication command to trigger the operation of visible light communication between the mobile terminal and other devices, so as to reduce the impact of the light emitted by the screen of the mobile terminal on the visible light communication between the mobile terminal and other devices.

It should be noted that the information exchange, execution process and other contents between the units in the above-mentioned device are based on the same concept as the method embodiments of the present application. For specific functions and technical effects, please refer to the method embodiments section. It will not be repeated here.

Those skilled in the art can clearly understand that, for the convenience and brevity of the description, only the division of the above functional units is used for illustration. The internal structure of the above device is divided into different functional units to complete all or part of the functions described above. Each functional unit in the embodiment may be integrated in one processing unit, or each unit may exist physically alone, or two or more units may be integrated in one unit, and the above-mentioned integrated units may be implemented in the form of hardware. , can also be implemented in the form of software functional units. In addition, the specific names of the functional units are only for the convenience of distinguishing from each other, and are not used to limit the protection scope of the present application. For the specific working process of the units in the above system, reference may be made to the corresponding process in the foregoing method embodiments, and details are not described herein again.

FIG. 6 is a schematic structural diagram of a mobile terminal according to an embodiment of the present application. As shown in FIG. 6 , the mobile terminal 6 of this embodiment includes: at least one processor 60 (only one is shown in FIG. 6 ), a memory 61 , and a processor 61 stored in the above-mentioned memory 61 and available in the above-mentioned at least one processor 60 The computer program 62 running on the above-mentioned processor 60 implements the steps in any of the above-mentioned embodiments of the brightness adjustment method when the above-mentioned computer program 62 is executed.

The above-mentioned mobile terminal 6 may be a smart phone, a tablet computer, a smart watch, or the like. The mobile terminal may include, but is not limited to, a processor 60 and a memory 61 . Those skilled in the art can understand that FIG. 6 is only an example of the mobile terminal 6, and does not constitute a limitation on the mobile terminal 6, and may include more or less components than the one shown, or combine some components, or different components , for example, may also include input and output devices, network access devices, and the like.

The so-called processor 60 may be a central processing unit (Central Processing Unit, CPU), and the processor 60 may also be other general-purpose processors, digital signal processors (Digital Signal Processors, DSP), application specific integrated circuits (Application Specific Integrated Circuits) , ASIC), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.

The above-mentioned memory 61 may be an internal storage unit of the above-mentioned mobile terminal 6 in some embodiments, such as a hard disk or a memory of the mobile terminal 6 . The above-mentioned memory 61 may also be an external storage device of the above-mentioned mobile terminal 6 in other embodiments, such as a plug-in hard disk equipped on the above-mentioned mobile terminal 6, a smart memory card (Smart Media Card, SMC), a secure digital (Secure Digital) , SD) card, flash memory card (Flash Card) and so on. Further, the above-mentioned memory 61 may also include both the internal storage unit of the above-mentioned mobile terminal 6 and an external storage device. The above-mentioned memory 61 is used to store an operating system, an application program, a boot loader (Boot Loader), data, and other programs, for example, program codes of the above-mentioned computer programs. The above-mentioned memory 61 can also be used to temporarily store data that has been output or is to be output.

Embodiments of the present application further provide a computer-readable storage medium, where the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the steps in the foregoing method embodiments can be implemented.

The embodiments of the present application provide a computer program product, when the computer program product runs on a mobile terminal, the steps in the foregoing method embodiments can be implemented when the mobile terminal executes the computer program product.

If the above-mentioned integrated units are implemented in the form of software functional units and sold or used as independent products, they may be stored in a computer-readable storage medium. Based on this understanding, the present application realizes all or part of the processes in the methods of the above-mentioned embodiments, which can be completed by instructing the relevant hardware through a computer program. The above-mentioned computer program can be stored in a computer-readable storage medium, and the computer program is in When executed by the processor, the steps of the foregoing method embodiments can be implemented. Wherein, the above-mentioned computer program includes computer program code, and the above-mentioned computer program code may be in the form of source code, object code form, executable file or some intermediate form. The above-mentioned computer-readable medium may include at least: any entity or device capable of carrying the computer program code to the photographing device/mobile terminal, a recording medium, a computer memory, a read-only memory (ROM, Read-Only Memory), a random access memory ( RAM, RandomAccess Memory), electrical carrier signals, telecommunication signals, and software distribution media. For example, U disk, mobile hard disk, disk or CD, etc. In some jurisdictions, under legislation and patent practice, computer readable media may not be electrical carrier signals and telecommunications signals.

In the foregoing embodiments, the description of each embodiment has its own emphasis. For parts that are not described or described in detail in a certain embodiment, reference may be made to the relevant descriptions of other embodiments.

Those of ordinary skill in the art can realize that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Skilled artisans may implement the described functionality using different methods for each particular application, but such implementations should not be considered beyond the scope of this application.

In the embodiments provided in this application, it should be understood that the disclosed apparatus/network device and method may be implemented in other manners. For example, the apparatus/network device embodiments described above are only illustrative. For example, the division of the above modules or units is only a logical function division. In actual implementation, there may be other division methods, such as multiple units or Components may be combined or may be integrated into another system, or some features may be omitted, or not implemented. On the other hand, the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical, mechanical or other forms.

The units described above as separate components may or may not be physically separated, and components shown as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.

The above-mentioned embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the above-mentioned embodiments, those of ordinary skill in the art should understand that the above-mentioned embodiments can still be used for The recorded technical solutions are modified, or some technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the application, and should be included in this document. within the scope of protection of the application.

Claims (9)

1. a brightness adjustment method, is characterized in that, comprises: Detecting whether the mobile terminal has received a visible light communication command; When the mobile terminal receives the visible light communication instruction, detecting whether the brightness level of the screen of the mobile terminal exceeds a preset brightness level threshold; If the brightness level exceeds a preset brightness level threshold, adjusting the brightness level of the screen so that the adjusted brightness level of the screen does not exceed the brightness level threshold; After the brightness level of the screen is adjusted, the mobile terminal is triggered to perform visible light communication with other devices based on the visible light communication instruction. 2. The brightness adjustment method according to claim 1, wherein before the detecting whether the mobile terminal receives a visible light communication instruction, the brightness adjustment method further comprises: detecting the screen state of the mobile terminal; Correspondingly, the detecting whether the mobile terminal receives the visible light communication instruction includes: If the mobile terminal is in a bright screen state, when the mobile terminal receives the visible light communication instruction, it is detected whether the brightness level of the screen of the mobile terminal exceeds a preset brightness level threshold. 3. The brightness adjustment method according to claim 1 or 2, wherein the brightness level of the screen is adjusted so that the adjusted brightness level of the screen does not exceed the brightness level threshold, include: Parsing the visible light communication instruction, and judging the communication role of the mobile terminal in the visible light communication process; If the mobile terminal is the transmitting end of the visible light communication, when the light source of the transmitting end is a screen light source, determine the screen brightness adjustment area associated with the visible light communication according to the light source; If the mobile terminal is the receiving end of the visible light communication, when the receiver of the receiving end is a front camera, determine the screen brightness adjustment area associated with the visible light communication according to the receiver; Adjust the brightness level of the screen brightness adjustment area. 4 . The brightness adjustment method according to claim 3 , wherein the determining a screen brightness adjustment area associated with the visible light communication according to the light source comprises: 4 . Delineating a light source area based on the position of the light source on the screen, wherein the light source area includes only the light source; Other areas on the screen other than the light source area are determined as screen brightness adjustment areas. 5 . The brightness adjustment method according to claim 3 , wherein the determining, according to the receiver, a screen brightness adjustment area associated with the visible light communication comprises: 5 . All areas of the screen are determined as screen brightness adjustment areas. 6. The brightness adjustment method according to claim 1 or 2, wherein when the brightness level exceeds a preset brightness level threshold, the brightness adjustment method further comprises: recording the current brightness level of the mobile terminal as the original brightness level; Then, after adjusting the brightness level of the screen, the brightness adjustment method further includes: When the mobile terminal ends the current visible light communication, the brightness level of the screen is restored to the original brightness level. 7. A device for adjusting brightness, comprising: an instruction detection unit for detecting whether the mobile terminal receives a visible light communication instruction; a brightness detection unit, configured to detect whether the brightness level of the screen of the mobile terminal exceeds a preset brightness level threshold when the mobile terminal receives the visible light communication instruction; a brightness control unit, configured to adjust the brightness level of the screen if the brightness level exceeds a preset brightness level threshold, so that the adjusted brightness level of the screen does not exceed the brightness level threshold; A communication triggering unit, configured to trigger the mobile terminal to perform visible light communication with other devices based on the visible light communication instruction after adjusting the brightness level of the screen. 8. A mobile terminal, comprising a memory, a processor, and a computer program stored in the memory and running on the processor, wherein the processor implements the computer program as claimed in the claims Steps of any one of 1 to 6 of the method. 9. A computer-readable storage medium storing a computer program, wherein the computer program implements the steps of the method according to any one of claims 1 to 6 when the computer program is executed by a processor .

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