Screen display method and device, electronic equipment and storage medium

Abstract

The invention provides a screen display method and device, electronic equipment and a storage medium, and the method comprises the steps: determining a first temperature value which is a current temperature value of a screen; the screen comprises a pixel driving circuit, the pixel driving circuit comprises at least one thin film transistor (TFT), the pixel driving circuit is connected to a first voltage and a second voltage, and the first voltage and the second voltage are used for driving the TFT in the pixel driving circuit; in response to the fact that the first temperature value is smaller than a preset value, the voltage value of the first voltage is adjusted to be a first target voltage value based on the first temperature value, and display of the screen is compensated; the first target voltage value meets the following condition: the voltage difference between the second voltage and the first voltage can drive the TFT to be in a saturated state. The method disclosed by the invention can ensure the stability of color display when the screen of the terminal is at low temperature.

Description

Technical Field

[0001] The present disclosure relates to the technical field of electronic devices, and in particular to a screen display method, device, electronic device and storage medium. Background Art

[0002] In the related art, at low temperatures, the screen of a terminal usually has problems such as low-temperature color cast when displaying images. Therefore, there is an urgent need for a screen display method for compensating for color cast under low-temperature display. Summary of the invention

[0003] The present disclosure aims to solve one of the technical problems in the related art at least to some extent.

[0004] To this end, the present disclosure is to propose a screen display method, device, electronic device, non-transitory computer-readable storage medium storing computer instructions, and computer program product, which can ensure the stability of color display of the terminal screen at low temperatures.

[0005] The screen display method provided by the embodiment of the first aspect of the present disclosure includes: determining a first temperature value, where the first temperature value is the current temperature value of the screen; the screen includes a pixel driving circuit, where the pixel driving circuit includes at least one thin film transistor TFT, and the pixel driving circuit is connected to a first voltage and a second voltage, where the first voltage and the second voltage are used to drive the TFT in the pixel driving circuit;

[0006] In response to the first temperature value being less than a preset value, the voltage value of the first voltage is adjusted to a first target voltage value based on the first temperature value to compensate for the display of the screen; the first target voltage value satisfies the following conditions: so that the voltage difference between the second voltage and the first voltage can drive the TFT to a saturation state.

[0007] A screen display device provided by an embodiment of a second aspect of the present disclosure includes: a determination module, which is used to determine a first temperature value, where the first temperature value is a current temperature value of the screen; the screen includes a pixel driving circuit, where the pixel driving circuit includes at least one TFT, and the pixel driving circuit is connected to a first voltage and a second voltage, where the first voltage and the second voltage are used to drive the TFT in the pixel driving circuit;

[0008] An adjustment module is used for adjusting the voltage value of the first voltage to a first target voltage value based on the first temperature value in response to the first temperature value being less than a preset value, so as to compensate for the display of the screen; the first target voltage value satisfies the following conditions: so that the voltage difference between the second voltage and the first voltage can drive the TFT to a saturation state.

[0009] The electronic device proposed in the embodiment of the third aspect of the present disclosure includes: a memory, a processor, and a computer program stored in the memory and executable on the processor. When the processor executes the program, the method proposed in the above embodiment of the present disclosure is implemented.

[0010] The fourth aspect of the present disclosure provides a non-temporary computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the method provided in the above embodiment of the present disclosure.

[0011] The fifth aspect of the present disclosure provides a computer program product. When the instructions in the computer program product are executed by a processor, the method provided in the above embodiment of the present disclosure is performed.

[0012] The screen display method, device, electronic device, non-transitory computer-readable storage medium storing computer instructions, and computer program product provided by the present disclosure, when the current temperature value of the terminal is less than the preset value (that is, when the terminal is currently at a low temperature), the voltage value of the first voltage is adjusted so that the voltage difference between the second voltage and the first voltage drives the TFT to be in a saturated state. That is, in the method of the present disclosure, when the terminal is at a low temperature, the voltage of the terminal is adjusted to ensure that the TFT in the pixel driving circuit of the terminal is in a saturated state, so that the light-emitting current of the TFT is large and constant, so that the display brightness of the three RGB pixels can be constant, ensuring that the terminal screen can display normally at low temperatures, and ensuring the stability of the color display of the terminal screen at low temperatures.

[0013] Additional aspects and advantages of the present disclosure will be given in part in the following description and in part will be obvious from the following description or learned through practice of the present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The above and / or additional aspects and advantages of the present disclosure will become apparent and easily understood from the following description of the embodiments in conjunction with the accompanying drawings, in which:

[0015] Figure 1 is a schematic diagram of TFT characteristic drift proposed in an embodiment of the present disclosure;

[0016] Figure 2 is a flowchart of a screen display method proposed in an embodiment of the present disclosure;

[0017] Figure 3 is a flowchart of a pixel driving circuit proposed in an embodiment of the present disclosure;

[0018] Figure 4 is a schematic diagram of a first corresponding relationship proposed in an embodiment of the present disclosure;

[0019] Figure 5is a flowchart of a screen display method proposed in another embodiment of the present disclosure;

[0020] Figure 6 is a schematic structural diagram of a screen display device proposed in an embodiment of the present disclosure;

[0021] Figure 7 A block diagram of an exemplary electronic device suitable for implementing embodiments of the present disclosure is shown. DETAILED DESCRIPTION

[0022] Embodiments of the present disclosure are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present disclosure, and should not be construed as limitations on the present disclosure. On the contrary, the embodiments of the present disclosure include all changes, modifications and equivalents that fall within the spirit and connotation of the appended claims.

[0023] Optionally, the screen of the terminal usually includes a pixel driving circuit, which is connected to at least one voltage and includes at least one thin film transistor (Thin Film Transistor, TFT). Optionally, the terminal can drive the TFT in the pixel driving circuit by voltage to drive the organic light-emitting diode (OLED, Organic Light-Emitting Diode) to emit light, so that the screen of the terminal can display images. Among them, since the TFT characteristics drift with temperature, when the temperature decreases, the voltage difference required for the TFT to reach a saturation state will also increase. At this time, the voltage of the terminal may not be able to meet the voltage difference required for the TFT to reach a saturation state, resulting in the TFT being unable to reach a saturation state, thereby affecting the color display of the terminal screen. Optionally, Figure 1 is a schematic diagram of TFT characteristic drift proposed in an embodiment of the present disclosure, wherein: Figure 1 The first curve from top to bottom in the figure is a schematic curve for the TFT characteristic drift of the green pixel, the second curve from top to bottom is a schematic curve for the TFT characteristic drift of the red pixel, and the third curve from top to bottom is a schematic curve for the TFT characteristic drift of the blue pixel. Figure 1 As shown, the TFTs driving the three types of RGB pixels have different trends with temperature change. The green pixel requires the largest voltage difference at low temperature (i.e., the EL cross-voltage in the figure). Therefore, when the temperature drops, the green pixel reaches the unsaturated state first, that is, when the temperature drops, the display brightness of the green pixel decreases first. At this time, the terminal screen will appear red.

[0024] Figure 2 It is a flowchart of a screen display method proposed in an embodiment of the present disclosure.

[0025] In this embodiment, the screen display method is configured as a screen display device. In this embodiment, the screen display method can be configured in a screen display device, and the screen display device can be set in a terminal. The terminal includes, for example, a mobile phone, a wearable device, an Internet of Things device, a car with a communication function, a smart car, a tablet computer (Pad), a computer with a wireless transceiver function, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal device in industrial control, a wireless terminal device in self-driving, a wireless terminal device in remote medical surgery, a wireless terminal device in a smart grid, a wireless terminal device in transportation safety, a wireless terminal device in a smart city, and a wireless terminal device in a smart home. At least one of the above, but not limited to this.

[0026] It should be noted that the execution subject of the embodiment of the present disclosure may be, for example, a central processing unit (CPU) of a terminal or server, or a display integrated circuit (IC) chip in terms of hardware, and may be, for example, a related background service of a terminal or server in terms of software, without limitation. The terminal in the embodiment of the present disclosure may be equipped with multiple camera devices, each of which may be used to capture a scene to obtain a scene image.

[0027] like Figure 2 As shown, the screen display method includes:

[0028] S201: Determine a first temperature value.

[0029] In some embodiments, the first temperature value may be a current temperature value of a screen of the terminal.

[0030] In some embodiments, a temperature sensor may be provided in the terminal, and the temperature sensor may collect the current temperature value of the screen. Optionally, the temperature sensor may update and collect the temperature once every 10 ms. The terminal may determine the temperature value most recently collected by the temperature sensor as the first temperature value, thereby ensuring the real-time and accuracy of the first temperature value.

[0031] Optionally, in some embodiments, the terminal may include a pixel driving circuit. Figure 3 8T is a flow chart of a pixel driving circuit proposed in an embodiment of the present disclosure (here, low temperature polycrystalline oxide (LTPO) 8T is taken as an example). Figure 3 As shown, the pixel driving circuit may include at least one TFT ( Figure 3 In the example, the drive transistor (Drive TFT, DTFT) is taken as an example), and the pixel driving circuit can be connected to a first voltage and a second voltage, and the first voltage and the second voltage are used to drive the TFT in the pixel driving circuit, that is, the first voltage and the second voltage are the driving voltages of the pixel driving circuit; for example, the first voltage can be Figure 3 VSS in the second voltage can be Figure 3 VDD in.

[0032] S202: In response to the first temperature value being less than a preset value, adjusting the voltage value of the first voltage to a first target voltage value based on the first temperature value to compensate for the display of the screen.

[0033] Optionally, the preset value can be used to determine whether the terminal is currently in a low temperature, for example, the preset value can be 25°. Optionally, when the first temperature value is less than the preset value, it can be considered that the terminal is currently in a low temperature. At this time, in order to avoid the technical problem that "when the temperature decreases, the voltage of the terminal cannot meet the voltage difference required for the TFT to reach a saturated state, resulting in the TFT failing to reach a saturated state, thereby affecting the color display of the terminal screen, resulting in a red display at low temperature and low brightness at low temperature", it is necessary to adjust the driving voltage of the pixel driving circuit to compensate for the color cast under low temperature display. Specifically, in some embodiments, the voltage value of the first voltage can be adjusted to a first target voltage value based on the first temperature value, so that the voltage difference between the second voltage and the first voltage can drive the TFT to a saturated state, thereby ensuring that the TFT can be in a saturated state even when the terminal is in a low temperature state, so that the light emitting current of the TFT is large and constant, so that the display brightness of the three RGB pixels can be large and constant, thereby ensuring that the terminal screen can be displayed normally at low temperatures, and ensuring the stability of the color display of the terminal screen at low temperatures.

[0034] Optionally, in some embodiments, the specific method for the terminal to adjust the voltage value of the first voltage to the first target voltage value based on the first temperature value may include the following steps:

[0035] Step a, determining a first target voltage value based on the first corresponding relationship;

[0036] Optionally, the first corresponding relationship may be pre-set, and the first corresponding relationship may include: a target voltage value to which the first voltage needs to be adjusted at different temperature values; Figure 4 is a schematic diagram of a first corresponding relationship proposed in an embodiment of the present disclosure, such as Figure 4 As shown, when the temperature value is 20°, the target voltage value to which the first voltage needs to be adjusted is -1.1V (volts), and when the temperature value is 15°, the target voltage value to which the first voltage needs to be adjusted is -1.3V.

[0037] In some embodiments, when the first target voltage value is determined based on the first corresponding relationship, the first target voltage value may be a target voltage value corresponding to the first temperature value.

[0038] In other embodiments, when the first target voltage value is determined based on the first corresponding relationship, the first target voltage value may not be the target voltage value corresponding to the first temperature value. Specifically, in some embodiments, when the terminal determines the first target voltage value in the above step a, it may be to first determine the second temperature value based on the first temperature value, and then determine the target voltage value corresponding to the second temperature value as the first target voltage value. Optionally, the second temperature value may be any temperature value that is less than the first temperature value among all temperature values ​​included in the first corresponding relationship. By way of example, the absolute value of the difference between the second temperature value and the first temperature value may be the smallest. For example, when the first temperature value is 20°, the second temperature value may be 15°. In this case, the first target voltage value may be: -1.3V; or, in another example, the second temperature value may be the minimum temperature value among all temperature values ​​included in the first corresponding relationship. By way of example, assuming that the minimum temperature value among all temperature values ​​included in the first corresponding relationship is -20°, and the target voltage value corresponding to -20° is -2.7V, it may be determined that the second temperature value is -20°. In this case, the first target voltage value may be: -2.7V.

[0039] Step b: adjusting the voltage value of the first voltage to the determined first target voltage value.

[0040] It can be seen from the above content that when the current temperature value of the terminal is the first temperature value, in an optional embodiment, the terminal can adjust the first voltage based on the target voltage value corresponding to the second temperature value whose temperature value is less than the first temperature value, thereby performing advance compensation on the voltage to ensure that when the temperature drops, the TFT in the pixel driving circuit can be in a saturated state in advance, thereby preventing the screen flickering problem caused by untimely handshake. Moreover, in the embodiment of the present disclosure, the first voltage can also be adjusted directly based on the minimum temperature value of all temperature values ​​included in the first corresponding relationship at low temperatures, thereby achieving advance compensation and avoiding the occurrence of frequent adjustment of the first voltage due to real-time changes in the temperature value of the terminal, thereby preventing the screen flickering problem and saving power consumption to the maximum extent.

[0041] It should be noted that when low-temperature compensation is performed in a low-brightness interval (i.e., the above-mentioned "adjusting the voltage value of the first voltage to the first target voltage value based on the first temperature value"), the viewing angle effect usually easily causes the terminal screen to have a green bias problem, and the problem of brightness change is prone to occur when the low-brightness interval compensation is switched; therefore, in some embodiments, when the brightness of the terminal screen is less than the first brightness value, it is determined that the current interval is low-brightness. At this time, in order to avoid problems such as green bias and brightness change, low-temperature compensation may not be performed, that is, the voltage value of the first voltage is not adjusted; when the brightness of the terminal screen is greater than or equal to the first brightness value, it is determined that the current interval is high-brightness. At this time, low-temperature compensation is performed, that is, the voltage value of the first voltage is adjusted to the first target voltage value based on the first temperature value, so as to solve the problems of red display at low temperatures and low brightness of display at low temperatures; optionally, the first brightness value can be, for example, 120nit (nits).

[0042] In addition, it should be noted that, in some embodiments, the screen of the terminal may also include a first area, and the terminal may collect an unlocking pattern in the first area, and unlock the terminal based on the collected unlocking pattern. Optionally, the first area may be, for example, a fingerprint spot area of ​​the terminal, and the unlocking pattern may be, for example, a fingerprint pattern of the user. The terminal may collect the fingerprint pattern of the user through the fingerprint spot area, and determine whether the collected fingerprint pattern is consistent with a pre-set predetermined pattern. When they are consistent, the terminal is determined to be unlocked. Optionally, in some embodiments, for the first area, since it turns red severely at low temperatures and has a seriously insufficient brightness, when the terminal needs to use the first area to collect an unlocking pattern (such as when the fingerprint spot of the terminal lights up), it is not necessary to determine whether the brightness at the first area is less than or equal to the first brightness value, and low temperature compensation is always performed, thereby avoiding the problem of reduced success rate of low-temperature fingerprint unlocking. Moreover, in some embodiments, the moment when the terminal collects the unlock pattern through the first area should be after the moment when the terminal adjusts the voltage value of the first voltage, that is, the moment when the terminal collects the unlock pattern through the first area should be after the moment when the terminal completes the low temperature compensation, so as to ensure that the color display of the terminal screen is stable before collecting the user's fingerprint pattern to ensure the accuracy of the user's fingerprint pattern collection.

[0043] Optionally, for the always on display (AOD) mode of the terminal, since its current maximum brightness is 60 nit, low temperature compensation can be directly turned off when the terminal is in the AOD mode.

[0044] To sum up, in this embodiment, when the current temperature value of the terminal is less than the preset value (that is, when the terminal is currently at a low temperature), the voltage value of the first voltage will be adjusted so that the voltage difference between the second voltage and the first voltage drives the TFT to be in a saturated state. That is, in the method disclosed in the present invention, when the terminal is at a low temperature, the voltage of the terminal is adjusted to ensure that the TFT in the pixel driving circuit of the terminal is in a saturated state, so that the light-emitting current of the TFT is large and constant, so that the display brightness of the three RGB pixels can be large and constant, thereby ensuring that the screen of the terminal can display normally at low temperatures, and ensuring the stability of the color display of the terminal screen at low temperatures.

[0045] Figure 5 It is a flowchart of a screen display method proposed in another embodiment of the present disclosure.

[0046] like Figure 5 As shown, the screen display method includes:

[0047] S501: Determine a first temperature value.

[0048] S502: In response to the first temperature value being less than a preset value, adjusting the voltage value of the first voltage to a first target voltage value based on the first temperature value.

[0049] For a detailed description of steps S501 - S502 , please refer to the above embodiment description.

[0050] S503: When the grayscale of the screen of the terminal belongs to the second grayscale interval, adjusting the voltage value of the third voltage to the second target voltage value based on the first target voltage value.

[0051] Optionally, the grayscale of the terminal screen may belong to a first grayscale interval or a second grayscale interval, wherein the grayscale value of the first grayscale interval is greater than the grayscale value of the second grayscale interval. For example, the first grayscale interval may be a high grayscale interval, and the second grayscale interval may be a low grayscale interval.

[0052] Optionally, the third voltage may be used to drive a TFT in a pixel driving circuit. For example, the third voltage may be Figure 3 Vi_ANo in.

[0053] Optionally, the second target voltage value satisfies the following condition: the voltage difference between the third voltage and the first voltage is constant; wherein, when the voltage difference between the third voltage and the first voltage is constant, the light emitting current flowing through the TFT is also constant.

[0054] The following takes the first grayscale interval as a high grayscale interval and the second grayscale interval as a low grayscale interval as an example to introduce in detail the principle of "when the grayscale of the terminal screen belongs to the second grayscale interval, the voltage value of the third voltage is adjusted to the second target voltage value based on the first target voltage value":

[0055] Among them, when the first voltage is adjusted at low temperature, the voltage difference required for the TFT corresponding to the low grayscale interval to reach the saturation state is usually smaller than the voltage difference required for the TFT corresponding to the high grayscale interval to reach the saturation state, that is, the TFT corresponding to the low grayscale interval reaches the saturation state first, and at this time, since the voltage difference required for the TFT corresponding to the high grayscale interval to reach the saturation state has not yet been reached, it is also necessary to adjust the first voltage to increase the voltage difference between the second voltage and the first voltage. At this time, the light-emitting current of the TFT corresponding to the low grayscale interval that is already in the saturation state will increase. Among them, since the current shunt of the green pixel is the largest, it will cause the low grayscale interval to display green. Because, in order to solve the above-mentioned "problem of low grayscale interval displaying green", when the grayscale of the terminal screen belongs to the second grayscale interval, it is also necessary to adjust the voltage value of the third voltage to the second target voltage value based on the first target voltage value to ensure that the voltage difference between the third voltage and the first voltage is constant, and then ensure that the light-emitting current flowing through the TFT is constant, so as to avoid the technical problem of "the display is green due to the increase of the light-emitting current of the TFT flowing through the low grayscale interval", and ensure the display effect and display stability of the low grayscale interval.

[0056] Optionally, the above-mentioned method of “adjusting the voltage value of the third voltage to the second target voltage value based on the first target voltage value” may include: determining the second target voltage value to which the third voltage needs to be adjusted when the first voltage is the first target voltage value based on the first corresponding relationship, and adjusting the voltage value of the third voltage to the determined second target voltage value. Figure 4 As shown, the first corresponding relationship may also include a corresponding relationship between the first voltage and the third voltage, and the second target voltage value may be directly determined based on the first corresponding relationship and the first target voltage value determined in step S502; Figure 4 As shown, when the first target voltage value is -1.1V, the second target voltage value may be: -0.5V, and when the first target voltage value is -1.3V, the second target voltage value may be: -0.7V.

[0057] To sum up, in this embodiment, when the current temperature value of the terminal is less than the preset value (that is, when the terminal is currently at a low temperature), the voltage value of the first voltage will be adjusted so that the voltage difference between the second voltage and the first voltage drives the TFT to be in a saturated state. That is, in the method disclosed in the present invention, when the terminal is at a low temperature, the voltage of the terminal is adjusted to ensure that the TFT in the pixel driving circuit of the terminal is in a saturated state, so that the light-emitting current of the TFT is large and constant, so that the display brightness of the three RGB pixels can be large and constant, thereby ensuring that the screen of the terminal can display normally at low temperatures, and ensuring the stability of the color display of the terminal screen at low temperatures.

[0058] Figure 6It is a structural schematic diagram of a screen display device proposed in an embodiment of the present disclosure.

[0059] like Figure 6 As shown, the screen display device 60 includes:

[0060] A determination module, configured to determine a first temperature value, wherein the first temperature value is a current temperature value of a screen; the screen comprises a pixel driving circuit, wherein the pixel driving circuit comprises at least one TFT, and the pixel driving circuit is connected to a first voltage and a second voltage, wherein the first voltage and the second voltage are used to drive the TFT in the pixel driving circuit;

[0061] An adjustment module is used for adjusting the voltage value of the first voltage to a first target voltage value based on the first temperature value in response to the first temperature value being less than a preset value, so as to compensate for the display of the screen; so that the voltage difference between the second voltage and the first voltage drives the TFT to be in a saturation state.

[0062] It should be noted that the above explanation of the screen display method is also applicable to the screen display device of this embodiment and will not be repeated here.

[0063] In this embodiment, in this embodiment, when the current temperature value of the terminal is less than the preset value (that is, when the terminal is currently at a low temperature), the voltage value of the first voltage will be adjusted so that the voltage difference between the second voltage and the first voltage drives the TFT to be in a saturated state. That is, in the method disclosed in the present invention, when the terminal is at a low temperature, the voltage of the terminal is adjusted to ensure that the TFT in the pixel driving circuit of the terminal is in a saturated state, so that the light-emitting current of the TFT is large and constant, so that the display brightness of the three RGB pixels can be large and constant, thereby ensuring that the screen of the terminal can display normally at low temperatures, and ensuring the stability of the color display of the terminal screen at low temperatures.

[0064] Figure 7 A block diagram of an exemplary electronic device suitable for implementing embodiments of the present disclosure is shown. Figure 7 The electronic device 12 shown is only an example and should not bring any limitation to the functions and scope of use of the embodiments of the present disclosure.

[0065] like Figure 7 As shown, the electronic device 12 is in the form of a general purpose computing device. The components of the electronic device 12 may include, but are not limited to: one or more processors or processing units 16, a memory 28, and a bus 18 that connects various system components (including the memory 28 and the processing unit 16).

[0066] The bus 18 represents one or more of several types of bus structures, including a memory bus or memory controller, a peripheral bus, a graphics acceleration port, a processor or a local bus using any of a variety of bus structures. For example, these architectures include but are not limited to Industry Standard Architecture (ISA) bus, Micro Channel Architecture (MAC) bus, Enhanced ISA bus, Video Electronics Standards Association (VESA) local bus and Peripheral Component Interconnection (PCI) bus.

[0067] The electronic device 12 typically includes a variety of computer system readable media. These media can be any available media that can be accessed by the electronic device 12, including volatile and non-volatile media, removable and non-removable media.

[0068] The memory 28 may include computer system readable media in the form of volatile memory, such as random access memory (RAM) 30 and / or cache 32. The electronic device 12 may further include other removable / non-removable, volatile / non-volatile computer system storage media. By way of example only, the storage system 34 may be used to read and write non-removable, non-volatile magnetic media ( Figure 7 Not shown, often called a "hard drive").

[0069] although Figure 7 Not shown in the figure, a disk drive for reading and writing a removable non-volatile disk (e.g., a "floppy disk"), and an optical disk drive for reading and writing a removable non-volatile optical disk (e.g., a compact disc read only memory (hereinafter referred to as: CD-ROM), a digital versatile disc read only memory (hereinafter referred to as: DVD-ROM) or other optical media) may be provided. In these cases, each drive may be connected to the bus 18 via one or more data medium interfaces. The memory 28 may include at least one program product having a set (e.g., at least one) of program modules that are configured to perform the functions of the various embodiments of the present disclosure.

[0070] A program / utility 40 having a set (at least one) of program modules 42 may be stored, for example, in the memory 28, such program modules 42 including but not limited to an operating system, one or more application programs, other program modules, and program data, each of which or some combination may include an implementation of a network environment. The program modules 42 generally perform the functions and / or methods of the embodiments described in the present disclosure.

[0071] The electronic device 12 may also communicate with one or more external devices 14 (e.g., keyboard, pointing device, display 24, etc.), may also communicate with one or more devices that enable the human body to interact with the electronic device 12, and / or communicate with any device that enables the electronic device 12 to communicate with one or more other computing devices (e.g., network card, modem, etc.). Such communication may be performed through an input / output (I / O) interface 22. In addition, the electronic device 12 may also communicate with one or more networks (e.g., a local area network (LAN), a wide area network (WAN), and / or a public network, such as the Internet) through a network adapter 20. As shown, the network adapter 20 communicates with other modules of the electronic device 12 through a bus 18. It should be understood that, although not shown in the figure, other hardware and / or software modules may be used in conjunction with the electronic device 12, including but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, and data backup storage systems.

[0072] The processing unit 16 executes various functional applications and data processing by running the programs stored in the memory 28, such as implementing the methods mentioned in the above embodiments.

[0073] In order to implement the above embodiments, the present disclosure further proposes a non-transitory computer-readable storage medium on which a computer program is stored. When the program is executed by a processor, the method proposed in the above embodiments of the present disclosure is implemented.

[0074] In order to implement the above embodiments, the present disclosure further proposes a computer program product. When instructions in the computer program product are executed by a processor, the method proposed in the above embodiments of the present disclosure is executed.

[0075] It should be noted that, in the description of the present disclosure, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, in the description of the present disclosure, unless otherwise specified, the meaning of "plurality" is two or more.

[0076] Any process or method description in a flowchart or otherwise described herein may be understood to represent a module, segment or portion of code that includes one or more executable instructions for implementing the steps of a specific logical function or process, and the scope of the preferred embodiments of the present disclosure includes alternative implementations in which functions may not be performed in the order shown or discussed, including performing functions in a substantially simultaneous manner or in the reverse order depending on the functions involved, which should be understood by those skilled in the art to which the embodiments of the present disclosure belong.

[0077] It should be understood that the various parts of the present disclosure can be implemented in hardware, software, firmware or a combination thereof. In the above-mentioned embodiments, multiple steps or methods can be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, it can be implemented by any one of the following technologies known in the art or their combination: a discrete logic circuit having a logic gate circuit for implementing a logic function for a data signal, a dedicated integrated circuit having a suitable combination of logic gate circuits, a programmable gate array (PGA), a field programmable gate array (FPGA), etc.

[0078] A person skilled in the art may understand that all or part of the steps in the method for implementing the above-mentioned embodiment may be completed by instructing related hardware through a program, and the program may be stored in a computer-readable storage medium, which, when executed, includes one or a combination of the steps of the method embodiment.

[0079] In addition, each functional unit in each embodiment of the present disclosure may be integrated into a processing module, or each unit may exist physically separately, or two or more units may be integrated into one module. The above-mentioned integrated module may be implemented in the form of hardware or in the form of a software functional module. If the integrated module is implemented in the form of a software functional module and sold or used as an independent product, it may also be stored in a computer-readable storage medium.

[0080] The storage medium mentioned above can be a read-only memory, a magnetic disk or an optical disk, etc.

[0081] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present disclosure. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0082] Although the embodiments of the present disclosure have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present disclosure. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present disclosure.

Claims

1. A screen display method, characterized in that: The method comprises: Determine a first temperature value, the first temperature value is a current temperature value of the screen; the screen includes a pixel driving circuit, the pixel driving circuit includes at least one thin film transistor TFT, the pixel driving circuit is connected to a first voltage and a second voltage, the first voltage and the second voltage are used to drive the TFT in the pixel driving circuit; In response to the first temperature value being less than a preset value, the voltage value of the first voltage is adjusted to a first target voltage value based on the first temperature value to compensate for the display of the screen; the first target voltage value satisfies the following conditions: so that the voltage difference between the second voltage and the first voltage can drive the TFT to a saturation state.

2. The method according to claim 1, characterized in that A first corresponding relationship is pre-set, wherein the first corresponding relationship includes: a target voltage value to which the first voltage needs to be adjusted at different temperature values; The adjusting the voltage value of the first voltage to a first target voltage value based on the first temperature value includes: determining the first target voltage value based on the first corresponding relationship; The voltage value of the first voltage is adjusted to the determined first target voltage value.

3. The method according to claim 2, characterized in that The determining the first target voltage value based on the first corresponding relationship includes: Determine a second temperature value based on the first temperature value, where the second temperature value is any temperature value that is smaller than the first temperature value among all temperature values ​​included in the first corresponding relationship; The target voltage value corresponding to the second temperature value is determined as the first target voltage value.

4. The method according to claim 3, characterized in that The absolute value of the difference between the second temperature value and the first temperature value is the smallest; or The second temperature value is the minimum temperature value among all temperature values ​​included in the first corresponding relationship.

5. The method according to any one of claims 2 to 4, characterized in that: The grayscale of the screen belongs to a first grayscale interval or a second grayscale interval, wherein the grayscale value of the first grayscale interval is greater than the grayscale value of the second grayscale interval.

6. The method according to claim 5, characterized in that When the grayscale of the screen belongs to the second grayscale interval, the method further includes: Based on the first target voltage value, the voltage value of the third voltage is adjusted to a second target voltage value, and the second target voltage value satisfies the following conditions: making the voltage difference between the third voltage and the first voltage constant; wherein the third voltage is used to drive the TFT in the pixel driving circuit, and when the voltage difference between the third voltage and the first voltage is constant, the light emitting current of the TFT in the pixel driving circuit is constant.

7. The method according to claim 6, characterized in that The first corresponding relationship also includes a corresponding relationship between the first voltage and the third voltage; The adjusting the voltage value of the third voltage to the second target voltage value based on the first target voltage value includes: determining, based on the first corresponding relationship, a second target voltage value to which the third voltage needs to be adjusted when the first voltage is the first target voltage value; The voltage value of the third voltage is adjusted to the determined second target voltage value.

8. The method according to any one of claims 2 to 4, characterized in that: The adjusting the voltage value of the first voltage to a first target voltage value based on the first temperature value includes: The brightness of the screen is greater than or equal to a first brightness value, and the voltage value of the first voltage is adjusted to a first target voltage value based on the first temperature value; The method further comprises: The brightness of the screen is less than the first brightness value, and the voltage value of the first voltage is not adjusted.

9. The method according to any one of claims 2 to 4, characterized in that: The screen includes a first area; and the method further includes: An unlock pattern is collected in the first area, and the terminal is unlocked based on the collected unlock pattern; wherein the time of collecting the unlock pattern in the first area is after the time of adjusting the voltage value of the first voltage.

10. A screen display device, characterized in that: The device is configured in a terminal, and includes: A determination module, configured to determine a first temperature value, wherein the first temperature value is a current temperature value of a screen; the screen comprises a pixel driving circuit, wherein the pixel driving circuit comprises at least one TFT, and the pixel driving circuit is connected to a first voltage and a second voltage, wherein the first voltage and the second voltage are used to drive the TFT in the pixel driving circuit; An adjustment module is used for adjusting the voltage value of the first voltage to a first target voltage value based on the first temperature value in response to the first temperature value being less than a preset value, so as to compensate for the display of the screen; the first target voltage value satisfies the following conditions: so that the voltage difference between the second voltage and the first voltage can drive the TFT to a saturation state.

11. An electronic device, characterized in that: include: at least one processor; as well as a memory communicatively connected to the at least one processor; wherein, The memory stores instructions that can be executed by the at least one processor, and the instructions are executed by the at least one processor to enable the at least one processor to perform the method according to any one of claims 1 to 9.

12. A non-transitory computer-readable storage medium storing computer instructions, characterized in that: in, The computer instructions are used to cause the computer to execute the method according to any one of claims 1 to 9.

13. A computer program product, characterized in that The invention comprises a computer program which, when executed by a processor, implements the steps of the method according to any one of claims 1 to 9.

Images