CN110928394A - Screen display method and electronic equipment - Google Patents

Screen display method and electronic equipment Download PDF

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Publication number
CN110928394A
CN110928394A CN201811009396.0A CN201811009396A CN110928394A CN 110928394 A CN110928394 A CN 110928394A CN 201811009396 A CN201811009396 A CN 201811009396A CN 110928394 A CN110928394 A CN 110928394A
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China
Prior art keywords
chip
information
display screen
screen
display
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CN201811009396.0A
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Chinese (zh)
Inventor
陈岩
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Priority to CN201811009396.0A priority Critical patent/CN110928394A/en
Publication of CN110928394A publication Critical patent/CN110928394A/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26Power supply means, e.g. regulation thereof
    • G06F1/32Means for saving power
    • G06F1/3203Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234Power saving characterised by the action undertaken
    • G06F1/325Power saving in peripheral device
    • G06F1/3265Power saving in display device
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14Digital output to display device ; Cooperation and interconnection of the display device with other functional units

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Telephone Function (AREA)
  • User Interface Of Digital Computer (AREA)

Abstract

The application relates to a screen display method and an electronic device. The method comprises the following steps: when the first chip is disconnected from the display screen, the first chip sends the disconnection information to the second chip, the second chip is connected with the display screen according to the disconnection information, the second chip controls the display screen to be turned off for displaying, and the power consumption of the first chip is higher than that of the second chip. When the first chip with higher power consumption is disconnected with the display screen, the second chip with lower power consumption is connected with the display screen and controls the display screen to turn off the screen for displaying, so that the power consumption required by the electronic equipment for turning off the screen for displaying is reduced, and resources are saved.

Description

Screen display method and electronic equipment
Technical Field
The present application relates to the field of communications technologies, and in particular, to a screen display method and an electronic device.
Background
The screen of the electronic device can be used for displaying various interfaces, and the off-screen display is a screen display mode in the electronic device. The screen-off display means that when the electronic device is in a locked state, a partial area of the screen is kept on for a long time to display information such as time and notification. Most of electronic equipment has the function of screen-off display, and when the electronic equipment is in a locked state, a user can check time or information such as notification through the screen-off display function, so that the electronic equipment is very convenient and fast.
However, the power consumption of the screen-off display function is relatively high, and the problem that the power consumption of the electronic equipment is wasted exists.
Disclosure of Invention
The embodiment of the application provides a screen display method and electronic equipment, which can reduce the power consumption waste of the electronic equipment.
A screen display method, comprising:
when the first chip is disconnected with the display screen, the first chip sends the disconnected information to the second chip;
the second chip establishes connection with the display screen according to the disconnection information;
the second chip controls the display screen to be turned off for displaying;
wherein the power consumption of the first chip is higher than the power consumption of the second chip.
An electronic device comprises a first chip, a second chip and a display screen, wherein the first chip is connected with the second chip, and the power consumption of the first chip is higher than that of the second chip;
the first chip is used for sending the disconnected information to the second chip when the first chip is disconnected with the display screen;
the second chip is used for establishing connection with the display screen according to the disconnected information and controlling the display screen to be turned off for displaying.
According to the screen display method and the electronic equipment, when the first chip is disconnected from the display screen, the first chip sends the disconnection information to the second chip, the second chip is connected with the display screen according to the disconnection information, the second chip controls the display screen to perform screen turn-off display, and the power consumption of the first chip is higher than that of the second chip. When the first chip with higher power consumption is disconnected with the display screen, the second chip with lower power consumption is connected with the display screen and controls the display screen to turn off the screen for displaying, so that the power consumption required by the electronic equipment for turning off the screen for displaying is reduced, and resources are saved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a diagram showing an application environment of a screen display method in one embodiment;
FIG. 2 is a schematic diagram of a partial internal structure of an electronic apparatus according to an embodiment;
FIG. 3 is a diagram illustrating a second chip according to an embodiment;
FIG. 4 is a block diagram of a portion of the structure of a handset in one embodiment;
FIG. 5 is a flowchart illustrating a screen display method according to an embodiment;
FIG. 6 is an interface diagram of an embodiment of a display screen off display;
FIG. 7 is an interface diagram of a screen showing variable information in one embodiment;
FIG. 8 is a flowchart illustrating a method for establishing a connection between a first chip and a display screen according to an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It will be understood that, as used herein, the terms "first," "second," and the like may be used herein to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish one element from another. For example, a first chip may be referred to as a second chip, and similarly, a second chip may be referred to as a first chip, without departing from the scope of the present application. The first chip and the second chip are both chips, but they are not the same chip.
FIG. 1 is a diagram illustrating an application environment of a screen display method according to an embodiment. As shown in fig. 1, the application environment includes an electronic device 100, where the electronic device 100 may receive a screen-lighting instruction or a screen-locking instruction, and switch connection between a first chip and a second chip of a display screen according to the screen-lighting instruction or the screen-locking instruction, where the first chip controls the display screen to be locked, and the second chip controls the display screen to be turned off for display. The electronic device 100 may be a smartphone, a tablet, a personal digital assistant, a wearable device, or the like.
Fig. 2 is a schematic diagram of a partial internal structure of an electronic device according to an embodiment. The electronic device 100 may include a first chip 110, a second chip 120, and a display 130. The first chip 110 may be connected to the second chip 120 and the display screen 130 through a serial Peripheral interface SPI (serial Peripheral interface), and the second chip 120 may be connected to the first chip 110 and the display screen 130 through the SPI. The power consumption of the first chip 110 is greater than the power consumption of the second chip 120. When the first chip 110 is disconnected from the display screen 130, the first chip 110 sends the disconnection information to the second chip 120, the second chip 120 establishes connection with the display screen 130 according to the disconnection information, and the second chip 120 controls the display screen 130 to perform screen off display.
When the second chip 120 receives the notification message as the message of the off-screen display, the second chip 120 may control the display 130 to off-screen display the notification message. When the first chip 110 receives the screen-up instruction, the first chip 110 may send information that the first chip 110 establishes connection with the display screen 130 to the second chip 120, the second chip 120 may disconnect from the display screen 130 according to the information that the connection is established, and the first chip 110 establishes connection with the display screen 130. When the first chip 110 receives the screen locking instruction, the first chip 110 controls the screen locking of the display screen 130 and disconnects the display screen 130.
In one embodiment, as shown in fig. 3, the second chip 120 may include a microcontroller 122, a processor 124, a memory 126, and a screen interface module 128. The processor 124 may include a digital signal processing (dsp) module. The microcontroller 122 may be connected to the first chip, the processor 124, and the screen interface module 128 through an interface, and the microcontroller 122 may communicate with the first chip through the interface, for example, the second chip 120 may receive information that the first chip sends a disconnection through the microcontroller 122. The processor 124 is connected to the microcontroller 122 and the memory 126, respectively, and the processor 124 can process variable information received by the second chip 120, such as picture transformation information, picture rotation information, picture flipping information, picture color transformation information, and the like. The memory 126 is connected to the processor 124 and is used for storing the notification information received by the second chip, such as time information, chat information, location information, and the like. The screen interface module 128 is connected to the microcontroller 122, and the screen interface module 128 may also be connected to a display screen. When the microcontroller 122 receives the information of disconnection sent by the first chip through the interface, the microcontroller 122 may establish connection with the display screen through the screen interface module 128.
As shown in fig. 4, in one embodiment, an electronic device is also provided. For convenience of explanation, only the parts related to the embodiments of the present application are shown, and details of the specific technology are not disclosed. The electronic device may be any terminal device including a mobile phone, a tablet computer, a PDA (Personal Digital Assistant), a POS (Point of Sales), a vehicle-mounted computer, a wearable device, and the like, taking the electronic device as the mobile phone as an example:
fig. 4 is a block diagram of a partial structure of a mobile phone related to an electronic device provided in an embodiment of the present application. Referring to fig. 4, the handset includes: the first chip 110, the second chip 120, the display unit 210, the input unit 140, the memory 150, the audio circuit 160, the wireless fidelity (WiFi) module 170, the Radio Frequency (RF) circuit 180, and the power supply 190. Those skilled in the art will appreciate that the handset configuration shown in fig. 4 is not intended to be limiting and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
The first chip 110 is a control center of the mobile phone, connects various parts of the whole mobile phone by using various interfaces and lines, and executes various functions and processes data of the mobile phone by running or executing software programs and/or modules stored in the memory 150 and calling data stored in the memory 150, thereby integrally monitoring the mobile phone. In one embodiment, first chip 110 may include one or more processing units. In one embodiment, the first chip 110 may integrate an application processor and a modem processor, wherein the application processor mainly processes an operating system, a user interface, an application program, and the like; the modem processor handles primarily wireless communications. It is to be understood that the modem processor described above may not be integrated into the first chip 110. When the first chip 110 is disconnected from the display unit 210, the disconnected information may be transmitted to the second chip 120. When the first chip 110 receives the bright screen instruction, the first chip 110 may send information that the first chip 110 establishes a connection with the display unit 210 to the second chip 120, and the first chip 110 may establish a connection with the display unit 210. When the first chip 110 receives the screen locking instruction, the first chip 110 controls the display unit 210 to lock the screen and disconnects the display unit 210.
The power consumption of the second chip 120 is lower than that of the first chip 110. The second chip 120 may be connected to the first chip 110 and the display unit 210 through an interface or a line, the second chip 120 may establish a connection with the display unit 210 according to the received information of disconnection sent by the first chip 110, and the second chip 120 controls the display unit 210 to perform off-screen display.
The display unit 210 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 210 may include a display panel 211, and the display panel 211 may be the display screen 130. In one embodiment, the Display panel 211 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like. In one embodiment, the touch panel 141 can cover the display panel 211, and when the touch panel 141 detects a touch operation on or near the touch panel 141, the touch operation is transmitted to the first chip 110 to determine the type of the touch event, and then the first chip 110 provides a corresponding visual output on the display panel 211 according to the type of the touch event. Although in fig. 4, the touch panel 141 and the display panel 211 are two separate components to implement the input and output functions of the mobile phone, in some embodiments, the touch panel 141 and the display panel 211 may be integrated to implement the input and output functions of the mobile phone.
The input unit 140 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the cellular phone 600. Specifically, the input unit 140 may include a touch panel 141 and other input devices 142. The touch panel 141, which may also be referred to as a touch screen, may collect touch operations of a user (e.g., operations of the user on the touch panel 141 or near the touch panel 141 using any suitable object or accessory such as a finger or a stylus) thereon or nearby, and drive the corresponding connection device according to a preset program. In one embodiment, the touch panel 141 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the first chip 110, and can receive and execute commands sent by the first chip 110. In addition, the touch panel 141 may be implemented in various types, such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. The input unit 140 may include other input devices 142 in addition to the touch panel 141. In particular, the other input devices 142 may include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control keys, switch keys, etc.), and the like.
The memory 150 may be used to store software programs and modules, and the first chip 110 executes various functional applications and data processing of the mobile phone by operating the software programs and modules stored in the memory 150. The memory 150 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required for at least one function (such as an application program for a sound playing function, an application program for an image playing function, and the like), and the like; the data storage area may store data (such as audio data, an address book, etc.) created according to the use of the mobile phone, and the like. Further, the memory 150 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.
Audio circuitry 160, speaker 161 and microphone 162 may provide an audio interface between the user and the handset. The audio circuit 160 may transmit the electrical signal converted from the received audio data to the speaker 161, and convert the electrical signal into a sound signal for output by the speaker 161; on the other hand, the microphone 162 converts the collected sound signal into an electrical signal, and the electrical signal is received by the audio circuit 160 and then converted into audio data, and then the audio data is output to the first chip 110 for processing, and then the audio data can be sent to another mobile phone through the RF circuit 180, or the audio data is output to the memory 150 for subsequent processing.
WiFi belongs to short-distance wireless transmission technology, and the mobile phone can help a user to receive and send e-mails, browse webpages, access streaming media and the like through the WiFi module 170, and provides wireless broadband Internet access for the user. Although fig. 4 shows WiFi module 170, it is understood that it does not belong to an essential component of handset 100 and may be omitted as desired.
The RF circuit 180 may be used for receiving and transmitting signals during information transmission or communication, and may receive downlink information of the base station and then process the received downlink information to the first chip 110; the uplink data may also be transmitted to the base station. Typically, the RF circuitry 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, RF circuit 180 may also communicate with networks and other devices via wireless communication. The wireless communication may use any communication standard or protocol, including but not limited to Global System for mobile communications (GSM), General Packet Radio Service (GPRS), Code Division Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), Long Term Evolution (LTE), email, Short Messaging Service (SMS), etc.
The mobile phone 100 further includes a power supply 190 (such as a battery) for supplying power to each component, and preferably, the power supply may be logically connected to the first chip 110 through a power management system, so as to implement functions of managing charging, discharging, and power consumption through the power management system.
In one embodiment, the handset 100 may also include a camera, a bluetooth module, and the like.
In one embodiment, there is provided a screen display method, for example, applied to the electronic device, as shown in fig. 5, the method includes the following steps:
step 502, when the first chip is disconnected from the display screen, the first chip sends the disconnected information to the second chip.
The first chip is a part of the electronic device and is used for controlling the operation and processing of the electronic device. For example, the first chip may be a central Processing unit (cpu). The display screen is also a part of the electronic device, and is used to convert a video signal output from the electronic device into an image and display the image. The second chip may be used to control a display screen in the electronic device, and the power consumption of the second chip is lower than the power consumption of the first chip. The first chip can be connected with the second chip through a Serial Peripheral Interface (SPI) (serial Peripheral interface), and meanwhile, the first chip can be connected with the display screen through the SPI, and the second chip can be connected with the display screen through the SPI.
The first chip can disconnect the display screen according to at least one of the received screen-off command and the screen-locking command. The screen-off instruction and the screen-locking instruction received by the first chip may be generated by a user through button triggering on the electronic device, or may be generated automatically by the electronic device when the electronic device detects that the display screen is not triggered within a preset time period. For example, the preset time duration in the electronic device is 2 minutes, and when the electronic device detects that the display screen is not triggered within 2 minutes, the electronic device may generate a screen-off instruction or a screen-locking instruction.
When the first chip is disconnected from the display screen, disconnection information can be generated. The information generated by the first chip and used for disconnecting can be used for indicating the second chip to establish connection with the display screen. The first chip may send the information of the disconnection to the second chip through the SPI interface.
And step 504, the second chip establishes connection with the display screen according to the disconnection information.
After the first chip is disconnected from the display screen, the second chip can be connected with the display screen according to the received information of disconnection sent by the first chip. Specifically, the second chip may be connected to the display screen through the SPI interface.
And step 506, the second chip controls the display screen to be turned off for displaying.
The screen-off display means that when the electronic device is in a locked state, a partial area of the display screen keeps a display function and displays information such as time and notification. After the second chip is connected with the display screen, the display state of the display screen is controlled by the second chip. The second chip can control the display screen to display in the screen-off state.
When the first chip is disconnected from the display screen, the first chip sends the disconnection information to the second chip, the second chip is connected with the display screen according to the disconnection information, the second chip controls the display screen to perform screen-off display, and power consumption of the first chip is higher than that of the second chip. When the first chip with higher power consumption is disconnected with the display screen, the second chip with lower power consumption is connected with the display screen and controls the display screen to turn off the screen for displaying, so that the power consumption required by the electronic equipment for turning off the screen for displaying is reduced, and resources are saved.
In an embodiment, the provided screen display method may further include a process of controlling the display screen to turn off the screen for displaying by the second chip, specifically including: when the second chip receives the information that the notification information is displayed by the screen-off display, the second chip controls the display screen to be displayed by the screen-off display to display the notification information.
The notification information refers to information that can pop up a preview frame display in a display screen of the electronic device. Specifically, the notification information may include time information, news information, chat information, weather information, location information, and the like, and the notification information displayed on the display screen may include information type, information content, information reception time, and the like. The notification information may be sent to the electronic device by the server, or may be sent by other electronic devices. The information displayed by the screen-off state refers to information which needs to be displayed by the display screen in the screen-off state. The information displayed by the screen-off display can be set when the electronic equipment leaves a factory, and can also be set by the user through the electronic equipment. For example, the user may set time information, chat information, and location information as information for the off-screen display through the electronic device.
After receiving the notification information, the second chip may determine whether the notification information is screen-off display information. When the second chip judges that the notification information is the off-screen display information, the second chip can control the display screen to off-screen display to display the received notification information. When the second chip judges that the notification information is not the off-screen display information, the second chip can control the display screen not to be off-screen to display the notification information. For example, the information displayed by turning off the screen in the electronic device is time information, chat information and position information, and when the notification information received by the second chip is the chat information, the second chip can control the display screen to turn off the screen to display the chat information; when the notification information received by the second chip is weather information, the second chip can control the display screen not to be turned off to display the weather information.
When the second chip receives the information that the notification information is displayed by the screen-off display, the second chip controls the display screen to be displayed by the screen-off display to display the notification information. Only when the notification information received by the second chip is information displayed by the screen-off display, the display screen can be turned off to display the notification information, so that power consumption required by the electronic equipment for displaying the screen-off display can be reduced, and resources are saved.
As shown in fig. 6, in one embodiment, the second chip control may turn off the display screen. The notification information received by the second chip can be time information, date information, position information and chat information, the second chip judges that the time information, the date information and the chat information are off-screen display information and the position information is not off-screen display information, and the second chip can control the display screen to display the time information, the date information and the chat information in an off-screen state. As shown in fig. 6, the second chip controls the display screen to display the time information of "09: 34", the date information of "1 month and 1 day of 2018", and the chat information of "hello! ".
In an embodiment, the provided screen display method may further include a process of controlling the display screen to display the variable information by the second chip, specifically including: the notification information comprises variable information, and the second chip controls the display screen to be turned off to display the variable information, wherein the variable information comprises at least one of picture conversion information, picture rotation information, picture turning information and picture color conversion information.
The variable information is information that can be variably displayed in a display screen of the electronic device. The variable information may include at least one of picture conversion information, picture rotation information, picture inversion information, and picture color conversion information.
The notification information received by the second chip may include variable information, and the second chip may control the display screen to display the variable information. For example, when the notification information received by the second chip is the picture rotation information, the second chip may control the display screen to rotate the currently displayed picture; when the notification information received by the second chip is the picture color conversion information, the second chip may control the display screen to switch the black of the currently displayed picture to white.
In one embodiment, as shown in FIG. 7, the second chip may control the display to present variable information. When the second chip receives the information that the notification information is displayed by the screen-off display, the second chip controls the display screen to be displayed by the screen-off display to display the notification information. The notification information received by the second chip may be variable information, such as picture conversion information, picture rotation information, picture inversion information, and picture color conversion information. When the notification information received by the second chip is the picture conversion information, the second chip can control the picture of the display screen to be converted. As shown in fig. 7, the second chip controls the display screen to display the screen as the interface 700, and when the notification information received by the second chip is the screen conversion information, the second chip may control the display screen to display the interface 710, where the interface 710 is the interface converted by the interface 700.
As shown in fig. 8, in an embodiment, the provided screen display method may further include a process of establishing a connection between the first chip and the display screen when the first chip receives the screen-up instruction, and the specific steps include:
step 802, when the first chip receives the screen-up instruction, the first chip sends information that the first chip establishes connection with the display screen to the second chip.
The bright screen means that the display screen of the electronic device is in a lighted state, and at the moment, a picture can be displayed in the display screen. The screen-lighting instruction is an instruction for switching the screen-off state of the display screen to the screen-lighting state. The bright screen instruction can be generated by the user through button triggering of the electronic device, and can also be generated when the electronic device receives notification information.
And when the first chip does not receive the screen lightening instruction, the second chip continues to control the display of the display screen. When the first chip receives the screen-on command, the first chip can generate information for establishing connection with the display screen. The first chip may send the generated information to establish a connection with the display screen to the second chip. For example, when the first chip receives a screen-up command generated by a user through button triggering of the electronic device, the first chip may send information for establishing connection with the display screen to the second chip.
And step 804, disconnecting the second chip from the display screen according to the connection establishment information, and establishing connection between the first chip and the display screen.
The second chip can be disconnected with the display screen after receiving the information for establishing connection sent by the first chip. At this time, the first chip may establish a connection with the display screen.
When the first chip receives the screen lightening instruction, the first chip sends information that the first chip is connected with the display screen to the second chip, the second chip is disconnected with the display screen according to the information that the connection is established, and the first chip is connected with the display screen. The display screen is controlled by the second chip when in the screen-off state, when the first chip receives the screen-on command, the first chip can be connected with the display screen, and because the power consumption of the second chip is lower than that of the first chip, the display screen is controlled by the second chip when in the screen-off state, and only when in screen-on, the display screen is controlled by the first chip, so that the power consumption required by the screen-off display of the electronic equipment can be reduced, and resources are saved.
In an embodiment, the provided screen display method may further include a process of disconnecting the first chip from the display screen, specifically including: when the first chip receives the screen locking instruction, the first chip controls the display screen to be locked and is disconnected with the display screen.
The screen locking means that the display screen of the electronic device is in a locked state. The screen locking instruction is an instruction for switching the unlocking state of the display screen into the screen locking state. The screen locking instruction can be generated by a user through button triggering of the electronic device, or can be automatically generated by the electronic device when the electronic device detects that the display screen is not triggered within a preset time period. For example, the preset time duration in the electronic device is 2 minutes, and when the electronic device detects that the display screen is not triggered within 2 minutes, the electronic device may generate a screen locking instruction.
When the first chip does not receive the screen locking instruction, the first chip controls the display screen to display. When the first chip receives the screen locking instruction, the first chip can control the screen locking of the display screen and disconnect the connection with the display screen, meanwhile, the first chip can generate disconnection information and send the disconnection information to the second chip, and the second chip controls the display screen.
When the first chip receives the screen locking instruction, the first chip controls the display screen to be locked and is disconnected with the display screen. After the first chip controls the display screen to be locked, the first chip can be disconnected from the display screen, the second chip continuously controls the display screen, and power consumption of the second chip is lower than that of the first chip, so that power consumption required by screen-off display of the electronic equipment can be reduced, and resources are saved.
In one embodiment, a screen display method is provided, and the specific steps for implementing the method are as follows:
when the first chip is disconnected with the display screen, the first chip sends the disconnected information to the second chip. When the first chip is disconnected from the display screen, disconnection information can be generated. The information generated by the first chip and used for disconnecting can be used for indicating the second chip to establish connection with the display screen. The first chip may send the information of the disconnection to the second chip through the SPI interface.
And the second chip establishes connection with the display screen according to the disconnected information. After the first chip is disconnected from the display screen, the second chip can be connected with the display screen according to the received information of disconnection sent by the first chip. Specifically, the second chip may be connected to the display screen through the SPI interface.
The second chip controls the display screen to be turned off for displaying. The screen-off display means that when the electronic device is in a locked state, a partial area of the display screen keeps a display function and displays information such as time and notification. After the second chip is connected with the display screen, the display state of the display screen is controlled by the second chip. The second chip can control the display screen to display in the screen-off state.
When the second chip receives the information that the notification information is displayed by the screen-off display, the second chip controls the display screen to be displayed by the screen-off display to display the notification information. After receiving the notification information, the second chip may determine whether the notification information is screen-off display information. When the second chip judges that the notification information is the off-screen display information, the second chip can control the display screen to off-screen display to display the received notification information. When the second chip judges that the notification information is not the off-screen display information, the second chip can control the display screen not to be off-screen to display the notification information. The notification information comprises variable information, and the second chip controls the display screen to be turned off to display the variable information, wherein the variable information comprises at least one of picture conversion information, picture rotation information, picture turning information and picture color conversion information.
When the first chip receives the screen lightening instruction, the first chip sends information that the first chip is connected with the display screen to the second chip. And when the first chip does not receive the screen lightening instruction, the second chip continues to control the display of the display screen. When the first chip receives the screen-on command, the first chip can generate information for establishing connection with the display screen. The first chip may send the generated information to establish a connection with the display screen to the second chip. The second chip is disconnected with the display screen according to the connection establishment information, and the first chip is connected with the display screen.
When the first chip receives the screen locking instruction, the first chip controls the display screen to be locked and is disconnected with the display screen. When the first chip does not receive the screen locking instruction, the first chip controls the display screen to display. When the first chip receives the screen locking instruction, the first chip can control the screen locking of the display screen and disconnect the connection with the display screen, meanwhile, the first chip can generate disconnection information and send the disconnection information to the second chip, and the second chip controls the display screen.
It should be understood that, although the steps in the respective flowcharts described above are shown in sequence as indicated by the arrows, the steps are not necessarily performed in sequence as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least a portion of the steps in each of the flowcharts described above may include multiple sub-steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, and the order of performing the sub-steps or the stages is not necessarily sequential, but may be performed alternately or alternatingly with other steps or at least a portion of the sub-steps or stages of other steps.
Any reference to memory, storage, database, or other medium used herein may include non-volatile and/or volatile memory. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM), which acts as external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms, such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), double data rate SDRAM (DDR SDRAM), Enhanced SDRAM (ESDRAM), synchronous Link (Synchlink) DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and bus dynamic RAM (RDRAM).
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A screen display method, comprising:
when the first chip is disconnected with the display screen, the first chip sends the disconnected information to the second chip;
the second chip establishes connection with the display screen according to the disconnection information;
the second chip controls the display screen to be turned off for displaying;
wherein the power consumption of the first chip is higher than the power consumption of the second chip.
2. The method of claim 1, wherein the controlling the display screen to turn off the display by the second chip comprises:
when the second chip receives the information that the notification information is displayed by turning off the screen, the second chip controls the display screen to turn off the screen to display the notification information.
3. The method of claim 2, wherein the notification information comprises variable information; the second chip controls the display screen to be turned off to display the notification information, and the method comprises the following steps:
the second chip controls the display screen to be turned off to display the variable information, wherein the variable information comprises at least one of picture transformation information, picture rotation information, picture turning information and picture color transformation information.
4. The method of claim 1, further comprising:
when the first chip receives a screen-up instruction, the first chip sends information that the first chip is connected with the display screen to the second chip;
and the second chip is disconnected with the display screen according to the connection establishment information, and the first chip is connected with the display screen.
5. The method according to any one of claims 1 to 4, further comprising:
when the first chip receives a screen locking instruction, the first chip controls the display screen to be locked and disconnects with the display screen.
6. An electronic device is characterized by comprising a first chip, a second chip and a display screen, wherein the first chip is connected with the second chip, and the power consumption of the first chip is higher than that of the second chip;
the first chip is used for sending the disconnected information to the second chip when the first chip is disconnected with the display screen;
the second chip is used for establishing connection with the display screen according to the disconnected information and controlling the display screen to be turned off for displaying.
7. The electronic device of claim 6, wherein the second chip is further configured to control the display screen to turn off to display the notification information when the notification information is information for turning off the display screen.
8. The electronic device according to claim 6, wherein the first chip is further configured to send information that the first chip establishes connection with the display screen to the second chip when receiving a screen-up instruction;
the second chip is also used for disconnecting the display screen according to the connection establishment information, and the first chip is connected with the display screen.
9. The electronic device according to claim 6, wherein the first chip is further configured to control the display screen to lock the display screen and disconnect the display screen when receiving a screen locking instruction.
10. The electronic device of any of claims 6-9, wherein the second chip comprises:
the microcontroller is used for establishing connection with the display screen through an interface and controlling the display screen to be turned off for displaying;
the processor is connected with the microcontroller and used for processing the received notification information and enabling the notification information to be displayed on a screen;
and the memory is connected with the processor and used for storing the received notification information.
CN201811009396.0A 2018-08-31 2018-08-31 Screen display method and electronic equipment Pending CN110928394A (en)

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Application publication date: 20200327