Control method and electronic equipment

Abstract

The invention discloses a control method and electronic equipment, and the control method comprises the steps: determining a use mode of the electronic equipment, and enabling at least one parameter of a target display area of a display screen of the electronic equipment to be different in different use modes; and controlling the cathode voltage of the display screen to be adjusted to a target voltage value corresponding to the use mode.

Description

Technical Field

[0001] The present application relates to the field of display technology, and in particular to a control method and electronic equipment. Background Art

[0002] OLED (Organic Light Emitting Diode) display screens have been widely used in smart phones, TVs, laptops, wearable devices and other fields due to their excellent characteristics such as high contrast, fast response time, wide viewing angle, low power consumption and flexibility. However, existing electronic devices with OLED display screens consume a lot of power. Summary of the invention

[0003] A control method, comprising:

[0004] Determining a usage mode of the electronic device, wherein at least one parameter of a target display area of ​​a display screen of the electronic device is different in different usage modes;

[0005] The cathode voltage of the display screen is controlled to be adjusted to a target voltage value corresponding to the usage mode.

[0006] Optionally, controlling the cathode voltage of the display screen to adjust to a target voltage value corresponding to the usage mode includes at least one of the following:

[0007] In response to the electronic device switching from a current first usage mode to a target usage mode, controlling the cathode voltage of the display screen to be adjusted from a current first voltage value to a target voltage value corresponding to the target usage mode, wherein the first voltage value is greater than or less than the target voltage value, and display parameters of the target display area in the first usage mode are different from display parameters in the target usage mode;

[0008] The number of pulses outputted by the power supply module of the electronic device to the display screen is controlled based on the usage mode, so as to adjust the cathode voltage of the display screen to the target voltage value.

[0009] Optionally, controlling the cathode voltage of the display screen to adjust from a current first voltage value to a target voltage value corresponding to the target usage mode includes at least one of the following:

[0010] In response to the electronic device switching from the current first usage mode to the second usage mode, controlling the cathode voltage of the display screen to increase from the first voltage value to the second voltage value, wherein the display area and / or display brightness of the available display area of ​​the display screen in the first usage mode is smaller than the display area and / or display brightness of the available display area in the second usage mode;

[0011] In response to the electronic device switching from the current first usage mode to the third usage mode, controlling the cathode voltage of the display screen to decrease from the first voltage value to a third voltage value, wherein the display area and / or display brightness of the available display area of ​​the display screen in the first usage mode is greater than the display area and / or display brightness of the available display area in the third usage mode;

[0012] In response to the electronic device switching from the current first usage mode to the fourth usage mode, the cathode voltage of the display screen is controlled to be adjusted from the first voltage value to the fourth voltage value, wherein the display brightness or display area of ​​the target display area in the fourth usage mode is different from the display brightness or display area in the first usage mode, and the target display area is a non-usable display area in the display screen.

[0013] Optionally, controlling the cathode voltage of the display screen to adjust to a target voltage value corresponding to the usage mode includes at least one of the following:

[0014] The information of the use mode of the electronic device is given to the display controller of the display screen, and the display controller sends a control instruction to the power management chip of the electronic device to adjust the number of pulses output to the display screen so that the cathode voltage of the display screen is adjusted to a target voltage value;

[0015] Target reference information of the electronic device in a target usage mode is obtained, and based on the target reference information, the cathode voltage of the display screen is controlled to be adjusted to a corresponding target voltage value.

[0016] Optionally, controlling the cathode voltage of the display screen to be adjusted to a corresponding target voltage value based on the target reference information includes at least one of the following:

[0017] Obtaining position distribution information of a target display area in the display screen, and controlling a cathode voltage of the display screen to be adjusted to a corresponding target voltage value based on the position distribution information, wherein the target display area includes any one of an available display area, a split-screen area, or an unavailable display area in the display screen;

[0018] Obtaining configuration information of the display screen, and controlling a cathode voltage of a target cathode of the display screen to be adjusted to a corresponding target voltage value based on the configuration information, wherein the configuration information includes configuration information of a cathode electrode of the display screen;

[0019] Obtaining connection status information between the electronic device and the target display device, and controlling the cathode voltage of the display screen to be adjusted to a corresponding target voltage value based on the connection status information;

[0020] Obtaining running application information of the electronic device, and controlling the cathode voltage of the display screen to be adjusted to a corresponding target voltage value based on the running application information;

[0021] Power access information of the electronic device is obtained, and based on the power access information, the cathode voltage of the display screen is controlled to be adjusted to a corresponding target voltage value.

[0022] Optionally, controlling the cathode voltage of the display screen to adjust to a target voltage value corresponding to the usage mode includes:

[0023] determining a target display area of ​​the display screen based on the usage mode, the target display area being an available display area for outputting target content to be displayed;

[0024] Controlling the cathode voltage provided by the target cathode electrode corresponding to the available display area to be adjusted to a target voltage value corresponding to the usage mode;

[0025] Wherein, in the display screen, different display areas correspond to different cathode electrodes.

[0026] Optionally, controlling the cathode voltage provided by the cathode electrode corresponding to the available display area to be adjusted to a target voltage value corresponding to the usage mode includes at least one of the following:

[0027] When the electronic device is in the fifth usage mode, controlling the cathode voltage provided by the first cathode electrode corresponding to the first display area of ​​the display screen to be adjusted to a fifth voltage value corresponding to the fifth usage mode;

[0028] When the electronic device is in the sixth usage mode, controlling the cathode voltage provided by the second cathode electrode corresponding to the second display area of ​​the display screen to be adjusted to a sixth voltage value corresponding to the sixth usage mode;

[0029] When the electronic device is in the seventh usage mode, the cathode voltage provided by the first cathode electrode corresponding to the first display area of ​​the display screen is controlled to be adjusted to a seventh voltage value corresponding to the seventh usage mode, and the cathode voltage provided by the second cathode electrode corresponding to the second display area of ​​the display screen is controlled to be adjusted to an eighth voltage value corresponding to the seventh usage mode.

[0030] An electronic device, comprising:

[0031] Display screen;

[0032] A power supply module, used to supply power to the display screen;

[0033] A controller, configured to determine a usage mode of the electronic device, so as to control the cathode voltage of the display screen to be adjusted to a target voltage value corresponding to the usage mode;

[0034] Wherein, in different usage modes, at least one parameter of the available display area of ​​the display screen of the electronic device is different.

[0035] Optionally, the electronic device comprises a first body and a second body that are rotatably connected, a portion of the display screen is displayed on a first surface of the first body, and the remaining portion of the display screen is stored in the first body or the second body, and when the electronic device is in different usage modes, at least a portion of the display screen is pulled out from the first body or the second body or stored in the first body or the second body;

[0036] In response to the electronic device switching from the current first usage mode to the target usage mode, the controller controls the cathode voltage of the display screen to be adjusted from the current first voltage value to a target voltage value corresponding to the target usage mode, wherein the first voltage value is greater than or less than the target voltage value;

[0037] The available display area of ​​the display screen in the first usage mode is different from the available display area in the target usage mode.

[0038] Optionally, the electronic device comprises a first body and a second body which are rotatably connected, and the display screen comprises a first area arranged on a second surface of the first body and a second area arranged on a third surface of the second body;

[0039] The display screen further includes a first cathode electrode providing a cathode voltage to the first area and a second cathode electrode providing a cathode voltage to the second area;

[0040] In response to the electronic device entering a target use mode, the controller controls the cathode voltage provided by the first cathode electrode or the second cathode electrode to be adjusted to a corresponding target voltage value. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] The above and other features, advantages and aspects of the embodiments of the present disclosure will become more apparent with reference to the following detailed description in conjunction with the accompanying drawings. Throughout the accompanying drawings, the same or similar reference numerals represent the same or similar elements. It should be understood that the drawings are schematic and the originals and elements are not necessarily drawn to scale.

[0042] Figure 1 It is a schematic diagram of the transmission method of the cathode voltage signal in the display screen;

[0043] Figure 2A flow chart of a control method provided for this application;

[0044] Figure 3 A schematic diagram of the structure of an electronic device provided by an embodiment of the present application;

[0045] Figure 4 and Figure 5 A schematic diagram of an available display area of ​​a display screen in two different usage modes in an electronic device provided by an embodiment of the present application;

[0046] Figure 6 A schematic diagram of different display areas corresponding to different cathode electrodes in an electronic device provided by an embodiment of the present application. DETAILED DESCRIPTION

[0047] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the embodiments in the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0048] It is obvious to those skilled in the art that various modifications and changes can be made in this application without departing from the spirit or scope of this application. Therefore, this application is intended to cover modifications and changes of this application that fall within the scope of the corresponding claims (technical solutions claimed for protection) and their equivalents. It should be noted that the implementation methods provided in the embodiments of this application can be combined with each other without contradiction.

[0049] In order to make the above-mentioned objects, features and advantages of the present application more obvious and easy to understand, the present application is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0050] As described in the background technology section, existing electronic devices with OLED display screens consume relatively high power.

[0051] Specifically, the power consumption of the OLED display screen includes logic power consumption and luminous power consumption, wherein the logic power consumption refers to the power consumption of the driving circuit that provides the driving signal for the light-emitting element in the OLED display screen; the luminous power consumption refers to the power consumption generated by the light-emitting element in the OLED display screen. During the operation of the electronic device, the luminous power consumption is determined by the current flowing through the light-emitting element and the voltage across the light-emitting element. Specifically, the luminous power consumption P (EL) = I (OLED) * V (ELVDD-ELVSS), wherein I (OLED) represents the current flowing through the light-emitting element, V (ELVDD-ELVSS) represents the voltage across the light-emitting element, V (ELVDD) represents the anode voltage of the light-emitting element, and V (ELVEE) represents the cathode voltage of the light-emitting element. For example, when a certain electronic device is at maximum brightness, the current I (OLED) flowing through the light-emitting element in its OLED display screen is 1000mA, ELVDD is 5V, and ELVSS is -3V, then the luminous power consumption of the light-emitting element is 1*[5-(-3)] = 8W. It should be noted that the current values ​​and voltage values ​​in this application are only for illustrative purposes and are not the actual current values ​​and voltage values ​​when the OLED display screen is working.

[0052] The inventors have found that in practical applications, the cathode voltage required by a single light-emitting element may only require a voltage of -1V. However, since the light-emitting elements in the OLED display screen are current-driven elements, and each light-emitting element in the OLED display screen provides a cathode voltage through the same cathode signal output terminal, the cathode voltage input to the cathode signal input terminal of the display screen will have a voltage drop along its transmission direction from the first light-emitting element to the last light-emitting element. Figure 1 As shown, a voltage drop will be generated during the transmission from the cathode signal input location (i.e., cathode signal output terminal of circuit board 20) A in the display screen 01 to the location B of the light-emitting element farthest from the cathode input location in the display screen 01, and the voltage drop may even be as high as 2V. Therefore, in order to ensure that the luminous brightness of the last light-emitting element can meet the luminous requirements, the cathode voltage outputted from the cathode signal output terminal will be set to a larger value, such as -3V, which will cause the luminous power consumption of the electronic device with the OLED display screen to be larger, and thus the overall power consumption of the electronic device with the OLED display screen to be larger.

[0053] In view of this, an embodiment of the present application provides a control method, which is applied to an electronic device. Optionally, the electronic device includes an OLED display screen or an LED display screen. In this embodiment, Figure 2 As shown, the control method includes:

[0054] S1: Determine a usage mode of an electronic device, wherein in different usage modes, at least one parameter of a target display area of ​​a display screen of the electronic device is different.

[0055] It should be noted that in the embodiment of the present application, the target display area of ​​the display screen of the electronic device can be an available display area, that is, an area used to output display content in different usage modes, or it can be a non-available display area, such as an obstructed display area or a stored display area, etc. The present application does not limit this, and it depends on the specific circumstances.

[0056] Optionally, in the embodiment of the present application, in different usage modes, at least one parameter of the target display area of ​​the display screen of the electronic device may be different and may include at least one of the following:

[0057] In different usage modes, the area of ​​the target display region of the display screen of the electronic device is different. For example, the usage mode of the electronic device may include large-screen display, small-screen display and / or split-screen display, etc.;

[0058] In different usage modes, the brightness of the target display area of ​​the display screen of the electronic device is different. For example, the usage mode of the electronic device includes a low brightness display mode and a high brightness display mode. For example, when applied to content display, the high brightness display mode needs to be used, and when applied to personal viewing, the low brightness display mode needs to be used;

[0059] In different usage modes, the resolution of the target display area of ​​the display screen of the electronic device is different. For example, the usage mode of the electronic device includes a low-resolution mode and a high-resolution mode. For example, the high-resolution mode is required when playing a video, and the low-resolution mode is required when using office software;

[0060] In different usage modes, the refresh frequency of the target display area of ​​the display screen of the electronic device is different. For example, the usage mode of the electronic device includes a high refresh frequency mode and a low refresh frequency mode. For example, the game interface needs to use the high refresh frequency mode, and browsing the web requires the low refresh frequency mode.

[0061] In other embodiments of the present application, in different usage modes, at least one parameter of the target display area of ​​the display screen of the electronic device may be different, and other parameters may be different. The present application does not limit this, and it depends on the specific circumstances.

[0062] Based on any of the above embodiments, in one embodiment of the present application, determining the usage mode of the electronic device includes at least one of the following:

[0063] Determining a usage mode of the electronic device based on configuration information of the electronic device triggered by a user;

[0064] Determining a usage mode of the electronic device based on an application currently running in the electronic device;

[0065] Determining a usage mode of the electronic device based on angles between different components of the electronic device;

[0066] Determining a usage mode of the electronic device based on an area of ​​an exposed region of a display screen in the electronic device;

[0067] Based on the environment information of the electronic device, a usage mode of the electronic device is determined.

[0068] In other embodiments of the present application, the control method may also determine the usage mode of the electronic device based on other methods, which is not limited in the present application and depends on the specific circumstances.

[0069] The following describes the method for determining the usage mode of the electronic device by taking the example that the areas of the target display areas are different in different usage modes and combining specific examples.

[0070] Specifically, in one embodiment of the present application, the electronic device is an electronic device in the form of a laptop computer. For example, the electronic device is a laptop computer, and the electronic device includes a first body and a second body that can rotate relative to each other. Based on the angle between different components in the electronic device, the usage mode of the electronic device can be determined as follows: the usage mode of the electronic device is determined based on the angle between the first body and the second body.

[0071] It should be noted that, in this embodiment, the display area of ​​the electronic device may be located only on the first body, or may be located partially on the first body and partially on the second body. This application does not limit this and it depends on the specific circumstances.

[0072] Taking the target display area as an available display area as an example, in one embodiment of the present application, the target display area is located on the first body. If the angle formed by the relative surfaces of the first body and the second body is large, it indicates that the target display area is farther away from the user relative to the connection end of the second body and the first body. At this time, the user may be using a display area with a larger area. If the angle formed by the relative surfaces of the first body and the second body is small, it indicates that the target display area is closer to the user relative to the connection end of the second body and the first body. At this time, the user may be using a display area with a smaller area. In another embodiment of the present application, the display screen of the electronic device is a bendable display screen. If the electronic device is in a flattened state, it indicates that the area of ​​the target display area is larger. If the electronic device is in a folded state, it indicates that the area of ​​the target display area is smaller.

[0073] In another embodiment of the present application, the electronic device has a flat computer form, the electronic device has a shell, the area of ​​the display screen used to display content (i.e., the usable display area) is exposed outside the shell, and the display area of ​​the display screen that is not used to display content (i.e., the non-usable display area) is housed in the shell. In this embodiment, the control method can determine the usage mode of the electronic device based on the area of ​​the display area of ​​the display screen exposed outside the shell. For example, when the area of ​​the display area of ​​the display screen exposed outside the shell is larger, it indicates that the user is using a larger display area to display content; when the area of ​​the display area of ​​the display screen exposed outside the shell is smaller, it indicates that the user is using a smaller display area to display content.

[0074] It should be noted that different applications in an electronic device have different display area requirements. In one embodiment of the present application, the electronic device includes at least two applications, and the at least two applications include a first application and a second application. The first application has a larger display area requirement, such as a larger display area required by a screen playback application, and the second application has a smaller display area requirement, such as a smaller display area required by a chat interaction application. Therefore, the control method can determine the usage mode of the electronic device based on the currently running application in the electronic device.

[0075] It should also be noted that, in some applications, the environment in which the electronic device is located can also represent the user's demand for the display area. For example, when the electronic device is in a conference room, the user may be displaying content and the display area requirement is relatively large. When the electronic device is in a bedroom, the user may be entertaining or browsing some page information and the display area requirement is relatively small. Therefore, in this embodiment, the control method can also determine the usage mode of the electronic device based on the environmental information of the electronic device.

[0076] In another embodiment of the present application, based on the environmental information of the electronic device, determining the usage mode of the electronic device may also include determining the usage mode of the electronic device based on whether there is any obstruction above the target display area of ​​the electronic device, such as whether there is any obstruction by an external keyboard. In this embodiment, the usage mode of the electronic device is different when there is an obstruction above the target display area and when there is no obstruction above the target display area. Specifically, when there is an obstruction above the target display area, the display area of ​​the display screen being used to display content is smaller, and when there is no obstruction above the target display area, the display area of ​​the display screen being used to display content is larger.

[0077] It should be noted that in the above embodiment, when there is an obstruction above the target display area, the display brightness of the target display area can be adjusted to a low-brightness display mode, or it can be directly turned off and not displayed. This application does not limit this and it depends on the specific situation.

[0078] S2: Control the cathode voltage of the display screen to adjust to the target voltage value corresponding to the usage mode. It should be noted that, in the embodiment of the present application, the adjustment of the cathode voltage includes at least one of the following: adjusting the cathode voltage from a smaller voltage value to a larger voltage value, adjusting the cathode voltage from a larger voltage value to a smaller voltage value, adjusting the cathode voltage from zero to a non-zero value, adjusting the cathode voltage from a non-zero value to a zero value, etc. It should also be noted that, in the embodiment of the present application, the magnitude of the cathode voltage refers to the magnitude of the absolute value of the cathode voltage. For example, adjusting the cathode voltage from a smaller voltage value to a larger voltage value means adjusting the absolute value of the cathode voltage from a smaller voltage value to a larger voltage value.

[0079] The control method provided in the embodiment of the present application can control the cathode voltage of the display screen to be adjusted to a target voltage value corresponding to the usage mode of the electronic device based on the usage mode of the electronic device, thereby adjusting the cathode voltage according to the demand of the display screen for the cathode voltage under the target usage mode, rather than controlling the cathode voltage to always remain at a larger voltage value, thereby reducing the luminous power consumption of the display screen and reducing the power consumption of the electronic device.

[0080] Optionally, in one embodiment of the present application, controlling the cathode voltage of the display screen to adjust to a target voltage value corresponding to the usage mode includes: in response to the electronic device switching from the current first usage mode to the target usage mode, controlling the cathode voltage of the display screen to adjust from the current first voltage value to the target voltage value corresponding to the target usage mode, wherein the first voltage value may be greater than the target voltage value or less than the target voltage value. It should be noted that, in this embodiment, the display parameters of the target display area in the first usage mode are different from the display parameters in the target usage mode.

[0081] Specifically, in one embodiment of the present application, the display parameter may be a display area, a display resolution, a display position, a display brightness, a display refresh frequency, etc., and the present application does not limit this, as long as the display parameter includes at least one of the parameters such as display area, display resolution, display position, display brightness, and display refresh frequency. It should be noted that if the display parameter is a display area, in one embodiment of the present application, the electronic device may have two display states, in which, in one display state, the display area of ​​the display screen used to display the content is the maximum display area of ​​the display screen, and in another display state, the display area of ​​the display screen used to display the content is zero or the minimum display area that can be used to display the content; in another embodiment of the present application, the electronic device may have multiple display states, and in different display states, the display area of ​​the display screen is different, such as during the use of the electronic device, the display screen can be raised or lowered or hovered at will.

[0082] Optionally, in one embodiment of the present application, taking the target display area as the available display area as an example, the display area of ​​the target display area in the first usage mode is larger than the display area in the target usage mode, and the first voltage value is larger than the target voltage value; conversely, the display area of ​​the target display area in the first usage mode is smaller than the display area in the target usage mode, and the first voltage value is smaller than the target voltage value; the display brightness of the target display area in the first usage mode is larger than the display brightness in the target usage mode, and the first voltage value is larger than the target voltage value; conversely, the display brightness of the target display area in the first usage mode is smaller than the display brightness in the target usage mode, and the first voltage value is larger than the target voltage value. value is less than the target voltage value; the display resolution of the target display area in the first usage mode is greater than the display resolution in the target usage mode, and the first voltage value is greater than the target voltage value; conversely, the display resolution of the target display area in the first usage mode is less than the display resolution in the target usage mode, and the first voltage value is less than the target voltage value; the display refresh frequency of the target display area in the first usage mode is greater than the display refresh frequency in the target usage mode, and the first voltage value is greater than the target voltage value; conversely, the display refresh frequency of the target display area in the first usage mode is less than the display refresh frequency in the target usage mode, and the first voltage value is less than the target voltage value.

[0083] On the basis of any of the above embodiments, in one embodiment of the present application, controlling the cathode voltage of the display screen to be adjusted to a target voltage value corresponding to the usage mode includes: controlling the power supply module of the electronic device to output a number of pulses to the display screen based on the usage mode, so as to adjust the cathode voltage of the display screen to the target voltage value. It should be noted that, in this embodiment, when the number of pulses output by the power supply module of the electronic device to the display screen is different, the cathode voltage of the display screen is different (that is, the target voltage value is different). Specifically, the more pulses the power supply module of the electronic device outputs to the display screen, the greater the cathode voltage of the display screen, and the fewer pulses the power supply module of the electronic device outputs to the display screen, the smaller the cathode voltage of the display screen.

[0084] Optionally, based on the above embodiments, in one embodiment of the present application, the power supply module of the electronic device may be a power management chip of the electronic device, so as to control the cathode voltage value of the display plane by controlling the number of voltage pulses output by the power management chip to the display screen; in other embodiments of the present application, the power supply module of the electronic device may also be a power delivery controller (PD Controller) or a power supply when the display screen is independently powered, and the present application does not limit this, depending on the specific circumstances.

[0085] On the basis of any of the above embodiments, in one embodiment of the present application, controlling the cathode voltage of the display screen to be adjusted from the current first voltage value to the target voltage value corresponding to the target usage mode may further include at least one of the following:

[0086] In response to the electronic device switching from the current first usage mode to the second usage mode, controlling the cathode voltage of the display screen to increase from the first voltage value to the second voltage value, wherein the display area and / or display brightness of the available display area of ​​the display screen in the first usage mode is smaller than the display area and / or display brightness of the available display area in the second usage mode;

[0087] In response to the electronic device switching from the current first usage mode to the third usage mode, controlling the cathode voltage of the display screen to decrease from the first voltage value to a third voltage value, wherein the display area and / or display brightness of the available display area of ​​the display screen in the first usage mode is greater than the display area and / or display brightness of the available display area in the third usage mode;

[0088] In response to the electronic device switching from the current first usage mode to the fourth usage mode, the cathode voltage of the display screen is controlled to be adjusted from the first voltage value to the fourth voltage value, wherein the display brightness or display area of ​​the target display area in the fourth usage mode is different from the display brightness or display area in the first usage mode, and wherein the target display area is a non-usable display area in the display screen.

[0089] Several implementations of controlling the cathode voltage of the display screen to adjust from the current first voltage value to the target voltage value corresponding to the target usage mode are described below.

[0090] Optionally, in one embodiment of the present application, controlling the cathode voltage of the display screen to adjust from a current first voltage value to a target voltage value corresponding to the target usage mode includes: in response to the electronic device switching from the current first usage mode to the second usage mode, controlling the cathode voltage of the display screen to increase from the first voltage value to the second voltage value; in this embodiment, the area of ​​the available display area of ​​the display screen in the first usage mode is smaller than the area of ​​the available display area in the second usage mode, such as switching from a small screen display to a large screen display, or, the display brightness of the available display area of ​​the display screen in the first usage mode is smaller than the display brightness of the available display area in the second usage mode, such as switching from a low-brightness display mode to a high-brightness display mode, or, the display area and display brightness of the available display area of ​​the display screen in the first usage mode are both smaller than the display area and / or display brightness of the available display area in the third usage mode.

[0091] It should be noted that, in the above embodiment, in the first usage mode, the area of ​​the available display area of ​​the display screen can be the minimum area that the display screen can use for display, or it can be any value between the maximum area and the minimum area that the display screen can use for display; similarly, in the second usage mode, the area of ​​the available display area of ​​the display screen can be the maximum area that the display screen can use for display, or it can be any value between the maximum area and the minimum area that the display screen can use for display; the present application does not impose any limitation on this, as long as the area of ​​the available display area of ​​the display screen in the first usage mode is smaller than the area of ​​the available display area in the second usage mode.

[0092] In another embodiment of the present application, controlling the cathode voltage of the display screen to adjust from a current first voltage value to a target voltage value corresponding to the target usage mode includes: in response to the electronic device switching from the current first usage mode to the third usage mode, controlling the cathode electrode of the display screen to decrease from the first voltage value to the third voltage value; in this embodiment, the area of ​​the available display area of ​​the display screen in the first usage mode is larger than the area of ​​the available display area in the third usage mode, such as switching from large-screen display to small-screen display, or, the display brightness of the available display area of ​​the display screen in the first usage mode is greater than the display brightness of the available display area in the third usage mode, such as switching from a high-brightness display mode to a low-brightness display mode, or, the display area and display brightness of the available display area of ​​the display screen in the first usage mode are both greater than the display area and / or display brightness of the available display area in the third usage mode.

[0093] It should be noted that, in the above embodiment, in the first usage mode, the area of ​​the available display area of ​​the display screen can be the maximum area that the display screen can use for display, or it can be any value between the maximum area and the minimum area that the display screen can use for display; similarly, in the third usage mode, the area of ​​the available display area of ​​the display screen can be the minimum area that the display screen can use for display, or it can be any value between the maximum area and the minimum area that the display screen can use for display; the present application does not impose any limitation on this, as long as the area of ​​the available display area of ​​the display screen in the first usage mode is larger than the area of ​​the available display area in the third usage mode.

[0094] In another embodiment of the present application, controlling the cathode voltage of the display screen to adjust from the current first voltage value to the target voltage value corresponding to the target usage mode includes: in response to the electronic device switching from the current first usage mode to the fourth usage mode, controlling the cathode voltage of the display screen to adjust from the first voltage value to the fourth voltage value. In this embodiment, the display brightness or display area of ​​the target display area in the fourth usage mode is different from the display brightness or display area in the first usage mode, and the target display area is a non-usable display area in the display screen, that is, a display area that is not currently used to display content.

[0095] It should be noted that, in the above embodiment, the non-usable display area may be a display area in a stored state in the display screen, or may be a display area in the display screen that is blocked. The present application does not impose any limitation on this, and it depends on the specific circumstances.

[0096] Taking the target display area as the display area in the storage state of the display screen as an example, specifically, on the basis of the above embodiment, in an embodiment of the present application, the first voltage value is greater than the fourth voltage value. In this embodiment, the display brightness of the target display area in the fourth usage mode is less than the display brightness in the first usage mode, that is, the brightness of the display area in the storage state is reduced, and / or the display area of ​​the target display area in the fourth usage mode is greater than the display area in the first usage mode, that is, the area of ​​the display area of ​​the display screen in the storage state is increased.

[0097] In other embodiments of the present application, controlling the cathode voltage of the display screen to adjust from the current first voltage value to the target voltage value corresponding to the target usage mode may also include other contents, which are not limited in the present application and depend on the specific circumstances.

[0098] Based on any of the above embodiments, in one embodiment of the present application, controlling the cathode voltage of the display screen to adjust to a target voltage value corresponding to the usage mode includes: providing information about the usage mode of the electronic device to a display controller of the display screen, and sending a control instruction to a power management chip of the electronic device through the display controller to adjust the number of pulses output to the display screen so that the cathode voltage of the display screen is adjusted to the target voltage value.

[0099] Optionally, in one embodiment of the present application, the display controller includes a timing controller (TimingController, TCON), which is responsible for managing the timing control of pixel data inside the display screen to ensure that the display content can be presented correctly; the main function of the power management chip (PMIC, Power Management IC) in the electronic device is to manage and control electrical energy, which can ensure that the display screen can obtain a stable and efficient power supply when the device is in different usage modes.

[0100] In another embodiment of the present application, controlling the cathode voltage of the display screen to adjust to a target voltage value corresponding to the usage mode includes: obtaining target reference information of the electronic device in the target usage mode, and controlling the cathode voltage adjustment value of the display screen to a target voltage value corresponding to the target based on the target reference information.

[0101] In other embodiments of the present application, controlling the cathode voltage of the display screen to be adjusted to a target voltage value corresponding to the usage mode may also include: providing information about the usage mode of the electronic device to a display controller of the display screen, and sending a control instruction to a power management chip of the electronic device through the display controller to adjust the number of pulses output to the display screen so that the cathode voltage of the display screen is adjusted to the target voltage value; and obtaining target reference information of the electronic device in the target usage mode, and controlling the cathode voltage of the display screen to be adjusted to the corresponding target voltage value based on the target reference information. This application does not limit this, and it depends on the specific situation.

[0102] The following describes the situation in which the cathode voltage of the display screen is controlled to be adjusted to a target voltage value corresponding to the usage mode, including: obtaining target reference information of the electronic device in the target usage mode, and controlling the cathode voltage adjustment value of the display screen to a target voltage value corresponding to the target based on the target reference information.

[0103] Optionally, in one embodiment of the present application, the target reference information may be position distribution information of the target display area in the display screen in the target usage mode. In this embodiment, controlling the cathode voltage of the display screen to be adjusted to a corresponding target voltage value based on the target reference information includes: obtaining position distribution information of the target display area in the display screen, and controlling the target voltage value corresponding to the cathode voltage adjustment value of the display screen based on the position distribution information, wherein the target display area includes any one of an available display area, a split-screen display area, or a non-available display area in the display screen.

[0104] Taking the target display area as an available display area in the display screen as an example, in one embodiment of the present application, the target display area and the non-target display area of ​​the display screen are both in a display state, and the display brightness of the non-target display area is less than the display brightness of the target display area. In this embodiment, when the target display area is located on the side of the display screen close to the cathode voltage input terminal of the display screen, the cathode voltage of the display screen is less than the cathode voltage of the display screen when the target display area is located on the side of the display screen far away from the cathode voltage input terminal of the display screen. That is, in this embodiment, the farther the target display area is from the cathode voltage input terminal of the display screen, the greater the cathode voltage of the display screen, and the closer the target display area is to the cathode voltage input terminal of the display screen, the smaller the cathode voltage of the display screen.

[0105] Taking the target display area as a non-usable display area in the display screen (such as a display area in a stored state) as an example, in one embodiment of the present application, the target display area and the non-target display area of ​​the display screen are both in a display state, and the display brightness of the non-target display area is greater than the display brightness of the target display area. In this embodiment, when the target display area is located on the side of the non-target display area close to the cathode voltage input terminal of the display screen, the cathode voltage of the display screen is greater than the cathode voltage of the display screen when the target display area is located in the non-target display area away from the cathode voltage input terminal of the display screen. That is, in this embodiment, the farther the non-target display area is from the cathode voltage input terminal of the display screen, the greater the cathode voltage of the display screen, and the closer the non-target display area is to the cathode voltage input terminal of the display screen, the smaller the cathode voltage of the display screen.

[0106] In another embodiment of the present application, the target reference information is the configuration information of the display screen. In this embodiment, controlling the cathode voltage of the display screen to be adjusted to the corresponding target voltage value based on the target reference information includes: obtaining the configuration information of the display screen, and controlling the cathode voltage of the target cathode of the display screen to be adjusted to the corresponding target voltage value based on the configuration information, wherein the configuration information includes the configuration information of the cathode electrode of the display screen, and the configuration information of the cathode electrode includes the configuration quantity of the cathode electrode.

[0107] Optionally, on the basis of the above embodiments, in one embodiment of the present application, the number of cathode configurations of the display screen is at least two. In this embodiment, the target display area and the non-target display area of ​​the display screen correspond to different cathode electrodes. If the target display area is an available display area, controlling the cathode voltage of the display screen to be adjusted to the corresponding target voltage value based on the target reference information includes: based on the cathode configuration information in the display screen, controlling the cathode electrode corresponding to the target display area in the display screen to output the cathode voltage value required by the target display area, and controlling the cathode voltage value output by the cathode electrode corresponding to the non-target display area in the display screen to be reduced or even zero; if the target display area is not an available display area, controlling the cathode voltage of the display screen to be adjusted to the corresponding target voltage value based on the target reference information includes: based on the cathode configuration information in the display screen, controlling the cathode electrode corresponding to the target display area in the display screen to output the cathode voltage value reduced or even zero, and controlling the cathode electrode corresponding to the non-target display area in the display screen to output the cathode voltage value required by the non-target display area.

[0108] In another embodiment of the present application, the target reference information is connection information between the electronic device and other devices. Optionally, in one embodiment of the present application, the other device may be a display device, and in this embodiment, controlling the cathode voltage of the display screen to be adjusted to a corresponding target voltage value based on the target reference information includes: obtaining connection status information between the electronic device and the target display device, and controlling the target voltage value corresponding to the cathode voltage adjustment value of the display screen based on the connection status information.

[0109] Specifically, in one embodiment of the present application, the connection status information between the electronic device and the target display device may include whether the electronic device is connected to the target display device, and may also include whether the electronic device is connected to the target display device and the display mode information between the electronic device and the target display device when the electronic device is connected to the target display device. It may also include other information between the electronic device and the target display device. The present application does not limit this and it depends on the specific circumstances.

[0110] Optionally, if the electronic device is connected to a target display device, at least part of the image representing the electronic device is displayed through the target display device. In this embodiment, the cathode voltage of the display screen is controlled to be adjusted to a smaller target voltage value, and the display mode information between the electronic device and the target display device can be further obtained. If the display mode between the electronic device and the target display device is copy, that is, all the display images of the electronic device are displayed through the target display device, in this embodiment, the cathode voltage of the display screen is controlled to be adjusted to a smaller voltage value, and the cathode voltage of the display screen can even be controlled to stop output; if the display mode between the electronic device and the target display device is expansion, that is, part of the display image of the electronic device is displayed through the target display device, and part is still displayed on the display screen of the electronic device, in this embodiment, the cathode voltage of the display screen can be controlled to remain unchanged, or the cathode voltage of the display screen can be controlled to be reduced to a smaller voltage value. This application does not limit this, and it depends on the specific situation.

[0111] In another embodiment of the present application, the target reference information is the running application information in the electronic device. In this embodiment, controlling the cathode voltage of the display screen to be adjusted to the corresponding target voltage value based on the target reference information includes: obtaining the running application information of the electronic device, and controlling the cathode voltage of the display screen to be adjusted to the target voltage value based on the running application information. For example, if the application information running in the electronic device is game application information or video application information, the display screen may need to output a display screen with a large area, high resolution or high refresh rate, and the cathode voltage of the display screen is controlled to output a larger voltage value; if the application information running in the electronic device is web browsing information or interactive application information or music playback application information, the display screen may need to output a display screen with a small area, low resolution or low refresh rate, and the cathode voltage of the display screen is controlled to output a smaller voltage value.

[0112] In another embodiment of the present application, the target reference information is power access information. In this embodiment, controlling the cathode voltage of the display screen to be adjusted to the corresponding target voltage value based on the target reference information includes: obtaining the power access information of the electronic device, and controlling the cathode voltage of the display screen to be adjusted to the corresponding target voltage value based on the power access information. In this embodiment, the electronic device is externally connected to a power source, and the display screen brightness of the display screen may be relatively large, and the cathode voltage of the display screen is controlled to be adjusted to a relatively large voltage value. If the electronic device does not have an external power source and is powered by its own battery module, the display screen brightness of the display screen may be relatively small, and the cathode voltage of the display screen is controlled to be adjusted to a relatively small voltage value.

[0113] It should be noted that the above embodiments are mainly described by taking the case where each display area in the display screen shares the same cathode electrode as an example, and this is not limited in the present application. In other embodiments of the present application, different display areas in the display screen can also provide cathode voltages through different cathode electrodes. The following describes the case where different display areas in the display screen can also provide cathode voltages through different cathode electrodes.

[0114] Optionally, in one embodiment of the present application, controlling the cathode voltage of the display screen to be adjusted to a target voltage value corresponding to the usage mode includes: determining a target display area of ​​the display screen based on the usage mode, the target display area being an available display area for outputting content to be displayed; and controlling the cathode voltage provided by the target cathode electrode corresponding to the available display area to be adjusted to the target voltage value corresponding to the usage mode. It should be noted that, in the present embodiment, different display areas in the display screen correspond to different cathode voltages.

[0115] Specifically, in one embodiment of the present application, the display screen includes at least a first display area and a second display area, and the electronic device includes at least a first cathode electrode and a second cathode electrode, wherein the first cathode electrode is used to provide a cathode voltage to the first display area, and the second cathode electrode is used to provide a cathode voltage to the second display area. It should be noted that in this embodiment, when the electronic device is in different application modes, different display areas in the display screen are used to output display content. At this time, the control method can only adjust the cathode voltage output by the cathode electrode corresponding to the display area that outputs the display content, or can adjust the voltage output by the cathode electrode corresponding to each display area. This application does not limit this, and it depends on the specific situation.

[0116] Based on the above embodiment, in one embodiment of the present application, controlling the cathode voltage provided by the cathode electrode corresponding to the available display area to be adjusted to a target voltage value corresponding to the use mode includes at least one of the following:

[0117] When the electronic device is in the fifth usage mode, controlling the cathode voltage provided by the first cathode electrode corresponding to the first display area of ​​the display screen to be adjusted to a fifth voltage value corresponding to the fifth usage mode;

[0118] When the electronic device is in the sixth usage mode, controlling the cathode voltage provided by the second cathode electrode corresponding to the second display area of ​​the display screen to be adjusted to a sixth voltage value corresponding to the sixth usage mode;

[0119] When the electronic device is in the seventh usage mode, the cathode voltage provided by the first cathode electrode corresponding to the first display area of ​​the display screen is controlled to be adjusted to a seventh voltage value corresponding to the seventh usage mode, and the cathode voltage provided by the second cathode electrode corresponding to the second display area of ​​the display screen is controlled to be adjusted to an eighth voltage value corresponding to the seventh usage mode.

[0120] Optionally, in one embodiment of the present application, controlling the cathode voltage provided by the cathode electrode corresponding to the available display area to be adjusted to the target voltage value corresponding to the usage mode includes: when the electronic device is in the fifth usage mode, controlling the cathode voltage provided by the first cathode electrode corresponding to the first display area of ​​the display screen to be adjusted to a fifth voltage value corresponding to the fifth usage mode. It should be noted that, in the present embodiment, the cathode voltage provided by the cathode electrodes of other display areas of the display screen except the first display area may not be adjusted or may be adjusted, and the present application does not limit this, depending on the specific circumstances. It should also be noted that, in the embodiment of the present application, the first display area may be an available display area or a non-available display area. When the first display area is an available display area, the cathode voltage provided by the cathode electrodes of other display areas of the display screen except the first display area may be reduced or may stop being output.

[0121] In another embodiment of the present application, controlling the cathode voltage provided by the cathode electrode corresponding to the available display area to be adjusted to the target voltage value corresponding to the usage mode includes: when the electronic device is in the sixth usage mode, controlling the cathode voltage provided by the second cathode electrode corresponding to the second display area of ​​the display screen to be adjusted to the sixth voltage value corresponding to the sixth usage mode. It should be noted that in this embodiment, the cathode voltage provided by the cathode electrodes of other display areas of the display screen except the second display area may not be adjusted or may be adjusted, and this application does not limit this, depending on the specific circumstances. It should also be noted that in the embodiment of the present application, the second display area may be an available display area or a non-available display area. When the second display area is an available display area, the cathode voltage provided by the cathode electrodes of other display areas of the display screen except the second display area may be reduced or the output may be stopped.

[0122] In another embodiment of the present application, controlling the cathode voltage provided by the cathode electrode corresponding to the available display area to be adjusted to the target voltage value corresponding to the usage mode includes: when the electronic device is in the seventh usage mode, controlling the cathode voltage provided by the first cathode electrode corresponding to the first display area of ​​the display screen to be adjusted to the seventh voltage value corresponding to the seventh usage mode, and controlling the cathode voltage provided by the second cathode electrode corresponding to the second display area of ​​the display screen to be adjusted to the eighth voltage value corresponding to the seventh usage mode. Optionally, in this embodiment, if the first display area is an available display area and the second display area is an unavailable display area, when the electronic device is in the seventh usage mode, controlling the cathode voltage provided by the first cathode electrode corresponding to the first display area of ​​the display screen to be adjusted to the seventh voltage value corresponding to the seventh usage mode, controlling the cathode voltage provided by the second cathode electrode corresponding to the second display area of ​​the display screen to be adjusted to the smaller eighth voltage value, so as to reduce the power consumption of the display screen, thereby reducing the power consumption of the electronic device.

[0123] Optionally, based on the above embodiments, in one embodiment of the present application, before the electronic device switches to the seventh usage mode, the first display area and the second display area are both available display areas, and after the electronic device switches to the seventh usage mode, the first display area is the available display area, and the second display area is the non-available display area, such as when the display screen switches from a full-screen usage scenario to a partial-screen usage scenario; in another embodiment of the present application, before the electronic device switches to the seventh usage mode, the first display area and the second display area are both available display areas, and are different components of the same overall display area, and after the electronic device switches to the seventh usage mode, the first display area is the available display area, and the second display area is the available display area, but the first display area and the second display area are two independent display areas, such as when the display screen switches from full-screen display to split-screen display.

[0124] It should be noted that in the above-mentioned embodiments, when cathode voltages are provided to different display areas in the display screen through different cathode electrodes, for the display areas corresponding to the same cathode electrode, the cathode voltage output by the cathode electrode can be a fixed value, or it can be adjusted with reference to the adjustment method of the cathode voltage when the same cathode electrode corresponds to each display area when the electronic device is in different modes in the above-mentioned embodiments. The present application does not impose any limitation on this, and it depends on the specific circumstances.

[0125] In summary, the control method provided in the embodiment of the present application can control the cathode voltage of the display screen to be adjusted to a target voltage value corresponding to the usage mode of the electronic device based on the usage mode of the electronic device, thereby adjusting the cathode voltage according to the demand of the display screen for the cathode voltage under the target usage mode, rather than controlling the cathode voltage to always remain at a larger voltage value, thereby reducing the luminous power consumption of the display screen and reducing the power consumption of the electronic device.

[0126] In addition, an embodiment of the present application further provides an electronic device, which may be a mobile phone, a tablet computer, a wearable device, a vehicle-mounted device, an augmented reality (AR) / virtual reality (VR) device, a laptop computer, an ultra-mobile personal computer (UMPC), a netbook, a personal digital assistant (PDA), etc., and the embodiment of the present application does not impose any restrictions on this.

[0127] Specifically, in this embodiment, if Figure 3 As shown, the electronic device includes:

[0128] Display screen 10;

[0129] A power supply module 20, the power supply module 20 is used to supply power to the display screen 10;

[0130] The controller 30 is used to determine the usage mode of the electronic device to control the cathode voltage of the display screen 10 to be adjusted to a target voltage value corresponding to the usage mode.

[0131] It should be noted that in the embodiment of the present application, in different usage modes, at least one parameter of the available display area of ​​the display screen of the electronic device is different. Among them, in different usage modes, the at least one parameter of the display screen of the electronic device may include: at least one of different display area, different display brightness, different display resolution, and different display refresh frequency.

[0132] Specifically, in one embodiment of the present application, the power supply module may be a power management chip or a power delivery controller; the controller may be a display controller of the display screen or a system processor of the electronic device; the present application does not limit this, and it depends on the specific situation.

[0133] It should be noted that, in this embodiment, the controller can be used to execute the control methods provided in the above embodiments; specifically, if the controller is a display controller, the display controller can be used to execute the control methods provided in the above embodiments; if the controller is a system processor of the electronic device, the system processor (i.e., processor) can be used to execute the control methods provided in the above embodiments.

[0134] Optionally, in one embodiment of the present application, the electronic device includes a first body and a second body that are rotatably connected, a portion of the display screen is displayed on a first surface of the first body, and the remaining portion of the display screen is stored in the first body or the second body. It should be noted that in this embodiment, only the portion of the display screen located on the first body is an available display area.

[0135] Specifically, in one embodiment of the present application, when the electronic device is in different usage modes, at least part of the display screen is pulled out from the first body or is stored in the first body; in another embodiment of the present application, when the electronic device is in different usage modes, at least part of the display screen is pulled out from the second body or is stored in the second body; in another embodiment of the present application, at least part of the display screen is pulled out from the connecting device between the first body and the second body or is stored in the connecting device between the first body and the second body, such as a scroll screen. The present application does not limit this and it depends on the specific circumstances.

[0136] It should be noted that, in the above embodiment, the display screen may have only two display states, wherein, in one display state, the available display area of ​​the display screen is the maximum display area that can be used for display in the display screen, and in the other state, the available display area of ​​the display screen is a fixed area that is smaller than the maximum display area that can be used for display in the display screen; the display screen may also have multiple display states, and in different display states, the available display area of ​​the display screen is different. For example, when at least part of the display screen is pulled out from the first body or stored in the first body, the display screen can maintain a stable state at any position during the process of being pulled out from the first body or stored, that is, the available display area of ​​the display screen can maintain a stable state at any position during the process of changing from the minimum display area to the maximum display area.

[0137] On the basis of the above embodiments, in one embodiment of the present application, the controller is used to: in response to the electronic device switching from the current first usage mode to the target usage mode, control the cathode voltage of the display screen to adjust from the current first voltage value to the target voltage value corresponding to the target usage mode, the first voltage value being greater than or less than the target voltage value; wherein the available display area of ​​the display screen in the first usage mode is different from the available display area in the target usage mode. Optionally, the area of ​​the available display area of ​​the display screen in the first usage mode is different from the area of ​​the available display area in the target usage mode, and / or the brightness of the available display area of ​​the display screen in the first usage mode is different from the brightness of the available display area in the target usage mode, and / or the resolution of the available display area of ​​the display screen in the first usage mode is different from the resolution of the available display area in the target usage mode, etc.

[0138] like Figure 4 and Figure 5 As shown, Figure 4 and Figure 5A schematic diagram showing the available display area of ​​the display screen in two different usage modes, wherein: Figure 4 The area of ​​the available display area of ​​the display screen is greater than Figure 5 In different usage modes, the voltage drop of the cathode voltage of the display screen from the cathode voltage input terminal of the display screen to the last light-emitting element is different, for example, Figure 4 In the corresponding use mode, the voltage drop of the cathode voltage of the display screen from the cathode voltage input terminal of the display screen to the last light-emitting element is about 2V. Figure 5 In the corresponding use mode, the voltage drop of the cathode voltage of the display screen when it is transmitted from the cathode voltage input terminal of the display screen to the last light-emitting element is about 1V.

[0139] Optionally, in one embodiment of the present application, the controller determines the voltage value of the cathode voltage required for the available display area based on the usage mode of the electronic device, including: the display controller sends a control instruction to the power supply module based on the voltage value of the cathode voltage required for the available display area, so that the power supply module responds to the control instruction and outputs a different number of pulses, thereby providing different numbers of pulses to the cathode electrodes corresponding to the display screen, so that the cathode electrodes output different cathode voltages to the available display area.

[0140] For example, the electronic device Figure 4 The corresponding usage mode is switched to Figure 5 The corresponding usage mode is Figure 4 In the corresponding use mode, the cathode voltage input to the cathode voltage input terminal of the display screen is about -3V, that is, the cathode voltage provided by the cathode electrode to the display screen is -3V. Figure 5 In the corresponding use mode, the cathode voltage of the display screen is about -2V, that is, the cathode voltage provided by the cathode electrode to the display screen is -2V; in order to reduce the power consumption of the display screen while ensuring the display brightness of the available display area of ​​the display screen, thereby reducing the power consumption of the electronic device. Assume that, in this case, Figure 5 In the corresponding usage mode, the current flowing through the light-emitting element in the display screen is 1A, and the power consumption that the electronic device can save is 1*(5+3)-1*(5+2)=1W, which is better than using Figure 4 The corresponding cathode voltage is Figure 5 The corresponding cathode voltage enables the display screen to save power consumption.

[0141] It should be noted that, in this embodiment, if the controller is a display controller, the controller directly sends a control instruction to the power supply module based on the voltage value of the cathode voltage required by the available display area, so that the power supply module responds to the control instruction and outputs a different number of pulses; if the controller is a system processor, the controller controls the display controller to send a control instruction to the power supply module based on the voltage value of the cathode voltage required by the available display area, so that the power supply module responds to the control instruction and outputs a different number of pulses.

[0142] In another embodiment of the present application, the electronic device includes a first body and a second body that are rotatably connected, and the display screen includes a first area arranged on the second surface of the first body and a second area arranged on the third surface of the second body; optionally, in this embodiment, the display screen can be a folding screen, but the present application is not limited to this, as long as the display area of ​​the display screen is partially located on the first body and partially located on the second body, and the angle between the portion of the display screen located on the first body and the portion of the display screen located on the second body can be changed.

[0143] Based on the above embodiments, in one embodiment of the present application, Figure 5 As shown, the display screen also includes: a first cathode electrode 41 located in the first area 11 for providing a cathode voltage and a second cathode electrode 42 for providing a cathode voltage to the second area 12. Optionally, in this embodiment, the controller is used to control the cathode voltage provided by the first cathode electrode 41 or the second cathode electrode 42 to be adjusted to a corresponding target voltage value in response to the electronic device entering a target use mode. It should be noted that, in this embodiment, the controller controls the cathode voltage provided by the first cathode electrode 41 or the second cathode electrode 42 to be adjusted to a corresponding target voltage value in response to the electronic device entering a target use mode. The implementation method can refer to the adjustment method provided by the control method provided in any of the above embodiments, and the present application will not repeat it here.

[0144] In another embodiment of the present application, the electronic device includes a first body and a second body that are rotatably connected, and the display screen includes a first area set on the second surface of the first body and a second area set on the third surface of the second body. The electronic device can also not control the cathode voltage of the display screen to be adjusted to the target voltage value corresponding to the use mode through the display controller, but use the system processor to directly control the cathode electrode of the display screen to output the cathode voltage. At this time, no matter what working mode the electronic device is in, the first cathode electrode and the second cathode electrode always output a fixed cathode voltage. It should be noted that in this embodiment, no matter what working mode the electronic device is in, when the first cathode electrode and the second cathode electrode always output a fixed cathode voltage, although the value of the cathode voltage output by the first cathode electrode and the second cathode electrode is not adjusted, the number of light-emitting units driven by the first cathode electrode and the second cathode electrode is reduced, and the voltage drop generated on the signal transmission path will be reduced, which can also reduce the power consumption of the electronic device.

[0145] In summary, the electronic device provided in the embodiment of the present application can reduce the power consumption of the display screen by reducing the light emitting power consumption of the display screen, thereby reducing the power consumption of the electronic device.

[0146] In this specification, each embodiment is described in a progressive, parallel, or progressive and parallel manner. Each embodiment focuses on the differences from other embodiments, and the same or similar parts between the embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part.

[0147] It should be noted that in the description of the present application, it should be understood that the description of the drawings and embodiments is illustrative rather than restrictive. It should also be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations.

[0148] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A control method, comprising: Determining a usage mode of the electronic device, wherein at least one parameter of a target display area of ​​a display screen of the electronic device is different in different usage modes; The cathode voltage of the display screen is controlled to be adjusted to a target voltage value corresponding to the usage mode.

2. The method according to claim 1, wherein: Controlling the cathode voltage of the display screen to adjust to a target voltage value corresponding to the usage mode includes at least one of the following: In response to the electronic device switching from a current first usage mode to a target usage mode, controlling the cathode voltage of the display screen to be adjusted from a current first voltage value to a target voltage value corresponding to the target usage mode, wherein the first voltage value is greater than or less than the target voltage value, and display parameters of the target display area in the first usage mode are different from display parameters in the target usage mode; The number of pulses outputted by the power supply module of the electronic device to the display screen is controlled based on the usage mode, so as to adjust the cathode voltage of the display screen to the target voltage value.

3. The method according to claim 2, wherein: Controlling the cathode voltage of the display screen to adjust from the current first voltage value to the target voltage value corresponding to the target usage mode includes at least one of the following: In response to the electronic device switching from the current first usage mode to the second usage mode, controlling the cathode voltage of the display screen to increase from the first voltage value to the second voltage value, wherein the display area and / or display brightness of the available display area of ​​the display screen in the first usage mode is smaller than the display area and / or display brightness of the available display area in the second usage mode; In response to the electronic device switching from the current first usage mode to the third usage mode, controlling the cathode voltage of the display screen to decrease from the first voltage value to a third voltage value, wherein the display area and / or display brightness of the available display area of ​​the display screen in the first usage mode is greater than the display area and / or display brightness of the available display area in the third usage mode; In response to the electronic device switching from the current first usage mode to the fourth usage mode, the cathode voltage of the display screen is controlled to be adjusted from the first voltage value to the fourth voltage value, wherein the display brightness or display area of ​​the target display area in the fourth usage mode is different from the display brightness or display area in the first usage mode, and the target display area is a non-usable display area in the display screen.

4. The method according to claim 1, wherein: Controlling the cathode voltage of the display screen to adjust to a target voltage value corresponding to the usage mode includes at least one of the following: The information of the use mode of the electronic device is given to the display controller of the display screen, and the display controller sends a control instruction to the power management chip of the electronic device to adjust the number of pulses output to the display screen so that the cathode voltage of the display screen is adjusted to a target voltage value; Target reference information of the electronic device in a target usage mode is obtained, and based on the target reference information, the cathode voltage of the display screen is controlled to be adjusted to a corresponding target voltage value.

5. The method according to claim 4, wherein: Controlling the cathode voltage of the display screen to adjust to a corresponding target voltage value based on the target reference information includes at least one of the following: Obtaining position distribution information of a target display area in the display screen, and controlling a cathode voltage of the display screen to be adjusted to a corresponding target voltage value based on the position distribution information, wherein the target display area includes any one of an available display area, a split-screen area, or an unavailable display area in the display screen; Obtaining configuration information of the display screen, and controlling a cathode voltage of a target cathode of the display screen to be adjusted to a corresponding target voltage value based on the configuration information, wherein the configuration information includes configuration information of a cathode electrode of the display screen; Obtaining connection status information between the electronic device and the target display device, and controlling the cathode voltage of the display screen to be adjusted to a corresponding target voltage value based on the connection status information; Obtaining running application information of the electronic device, and controlling the cathode voltage of the display screen to be adjusted to a corresponding target voltage value based on the running application information; Power access information of the electronic device is obtained, and based on the power access information, the cathode voltage of the display screen is controlled to be adjusted to a corresponding target voltage value.

6. The method according to claim 1, wherein: Controlling the cathode voltage of the display screen to adjust to a target voltage value corresponding to the usage mode includes: determining a target display area of ​​the display screen based on the usage mode, the target display area being an available display area for outputting target content to be displayed; Controlling the cathode voltage provided by the target cathode electrode corresponding to the available display area to be adjusted to a target voltage value corresponding to the usage mode; Wherein, in the display screen, different display areas correspond to different cathode electrodes.

7. The method according to claim 6, wherein: Controlling the cathode voltage provided by the cathode electrode corresponding to the available display area to be adjusted to a target voltage value corresponding to the usage mode includes at least one of the following: When the electronic device is in the fifth usage mode, controlling the cathode voltage provided by the first cathode electrode corresponding to the first display area of ​​the display screen to be adjusted to a fifth voltage value corresponding to the fifth usage mode; When the electronic device is in the sixth usage mode, controlling the cathode voltage provided by the second cathode electrode corresponding to the second display area of ​​the display screen to be adjusted to a sixth voltage value corresponding to the sixth usage mode; When the electronic device is in the seventh usage mode, the cathode voltage provided by the first cathode electrode corresponding to the first display area of ​​the display screen is controlled to be adjusted to a seventh voltage value corresponding to the seventh usage mode, and the cathode voltage provided by the second cathode electrode corresponding to the second display area of ​​the display screen is controlled to be adjusted to an eighth voltage value corresponding to the seventh usage mode.

8. An electronic device comprising: Display screen; A power supply module, used to supply power to the display screen; A controller, configured to determine a usage mode of the electronic device, so as to control the cathode voltage of the display screen to be adjusted to a target voltage value corresponding to the usage mode; Wherein, in different usage modes, at least one parameter of the available display area of ​​the display screen of the electronic device is different.

9. The electronic device according to claim 8, wherein: The electronic device comprises a first body and a second body which are rotatably connected, a portion of the display screen is displayed on a first surface of the first body, and the remaining portion of the display screen is stored in the first body or the second body, and when the electronic device is in different usage modes, at least a portion of the display screen is pulled out from the first body or the second body or stored in the first body or the second body; In response to the electronic device switching from the current first usage mode to the target usage mode, the controller controls the cathode voltage of the display screen to be adjusted from the current first voltage value to a target voltage value corresponding to the target usage mode, wherein the first voltage value is greater than or less than the target voltage value; The available display area of ​​the display screen in the first usage mode is different from the available display area in the target usage mode.

10. The electronic device according to claim 8, wherein: The electronic device comprises a first body and a second body which are rotatably connected, and the display screen comprises a first area arranged on a second surface of the first body and a second area arranged on a third surface of the second body; The display screen further includes a first cathode electrode providing a cathode voltage to the first area and a second cathode electrode providing a cathode voltage to the second area; In response to the electronic device entering a target use mode, the controller controls the cathode voltage provided by the first cathode electrode or the second cathode electrode to be adjusted to a corresponding target voltage value.

Images