LCD screen heating method, device and LCD screen processing system

Abstract

This invention provides a method, apparatus, and system for heating an LCD screen, relating to the field of LCD screen heating technology. It is applied to a controller included in an LCD screen processing system, which also includes a backlight driver and an LCD screen driver. The method includes: acquiring the temperature value of the LCD screen; determining a heating level based on the temperature value; controlling the heating power using the backlight driver and the LCD screen driver based on the heating level; and heating the LCD screen based on the heating power. This method, by utilizing the backlight driver and the LCD screen driver to control the heating power, enables heating of the LCD screen without the need for an additional heating module, avoiding increased LCD screen size and cost, and reducing the complexity of LCD screen temperature control.

Description

Technical Field

[0001] This invention relates to the field of LCD screen heating technology, and in particular to an LCD screen heating method, apparatus, and LCD screen processing system. Background Technology

[0002] With the development of technology, car rearview mirrors can be replaced by electronic rearview mirrors instead of traditional ones. Unlike traditional rearview mirrors, CMS (Color Management System) images are exposed by a camera, processed by an ISP (Image Signal Processor), and displayed on an LCD screen. This image has a certain delay, which causes a discrepancy between the displayed image and the actual position. At high speeds, the same delay results in a greater positional error. Since the CMS functions as a rearview mirror and is closely related to driving safety, reducing image delay is crucial. A common method to reduce image delay is to heat the car's LCD screen.

[0003] In related technologies, the LCD screen is usually heated by a heating module when the ambient temperature reaches a preset temperature. However, heating the LCD screen with an additional heating module can lead to problems such as large screen size, high cost, and complex control. Summary of the Invention

[0004] In view of this, the purpose of the present invention is to provide a method, apparatus and system for heating an LCD screen, which avoids problems such as increased size of the LCD screen, increased cost and complex temperature control of the LCD screen.

[0005] In a first aspect, embodiments of the present invention provide a method for heating a liquid crystal display (LCD) screen, applied to a controller included in an LCD screen processing system. The LCD screen processing system further includes a backlight driver and an LCD screen driver. The method includes: acquiring a temperature value of the LCD screen; determining a heating level based on the temperature value; controlling the heating power using the backlight driver and the LCD screen driver based on the heating level; and heating the LCD screen based on the heating power.

[0006] In a preferred embodiment of the present invention, the above-mentioned determination of the heating level based on the temperature value includes: determining whether to heat the LCD screen based on the temperature value and a preset starting temperature value; if the LCD screen is to be heated, obtaining the ambient temperature value corresponding to the LCD screen; and determining the heating level based on the starting temperature value, the temperature value, and the ambient temperature value.

[0007] In a preferred embodiment of the present invention, the above-mentioned determination of the heating level based on the initial temperature value, the temperature value and the ambient temperature value includes: determining a first heating level based on the initial temperature value and the temperature value; determining a second heating level based on the initial temperature value and the ambient temperature value; and determining the heating level based on the first heating level and the second heating level.

[0008] In a preferred embodiment of the present invention, the above-mentioned determination of the first heating level based on the initial temperature value and the temperature value includes: performing a subtraction operation on the initial temperature value and the temperature value to obtain a first difference value; determining the first heating level based on the first difference value; determining the second heating level based on the initial temperature value and the ambient temperature value includes: performing a subtraction operation on the initial temperature value and the ambient temperature value to obtain a second difference value; determining the second heating level based on the second difference value.

[0009] In a preferred embodiment of the present invention, the above-mentioned control of heating power based on heating level using backlight drive and LCD screen drive includes: adjusting the backlight brightness of the LCD screen based on heating level using backlight drive; adjusting the liquid crystal transmittance of the LCD screen based on heating level using LCD screen drive; and controlling the heating power based on adjusting the backlight brightness and adjusting the liquid crystal transmittance.

[0010] In a preferred embodiment of the present invention, after heating the LCD screen based on the heating power, the method further includes: obtaining the current temperature of the LCD screen; if the current temperature meets a preset heating temperature threshold, stopping the heating of the LCD screen.

[0011] Secondly, embodiments of the present invention also provide a liquid crystal display (LCD) screen heating device, applied to a controller included in an LCD screen processing system. The LCD screen processing system further includes a backlight driver and an LCD screen driver. The device includes: a temperature value acquisition module for acquiring the temperature value of the LCD screen; a heating level determination module for determining the heating level based on the temperature value; a heating power control module for controlling the heating power based on the heating level using the backlight driver and the LCD screen driver; and an LCD screen heating module for heating the LCD screen based on the heating power.

[0012] Thirdly, embodiments of the present invention also provide an electronic device, including a processor and a memory, wherein the memory stores computer-executable instructions that can be executed by the processor, and the processor executes the computer-executable instructions to implement the liquid crystal screen heating method of the first aspect described above.

[0013] Fourthly, embodiments of the present invention also provide a computer-readable storage medium storing computer-executable instructions. When the computer-executable instructions are invoked and executed by a processor, the computer-executable instructions cause the processor to implement the liquid crystal screen heating method of the first aspect described above.

[0014] The embodiments of the present invention bring the following beneficial effects:

[0015] This invention provides a method, apparatus, and system for heating an LCD screen. The system includes a controller, a backlight driver, and an LCD screen driver. By acquiring the temperature value of the LCD screen, a heating level is determined based on the temperature value. Then, the heating power is controlled using the backlight driver and the LCD screen driver based on the heating level, and the LCD screen is heated based on the heating power. This method utilizes the backlight driver and the LCD screen driver to control the heating power, enabling heating of the LCD screen without the need for an additional heating module. This avoids increasing the size and cost of the LCD screen and reduces the complexity of LCD screen temperature control.

[0016] Other features and advantages of this disclosure will be set forth in the following description, or some features and advantages may be inferred from the description or determined without doubt, or may be learned by practicing the techniques described above.

[0017] To make the above-mentioned objects, features and advantages of this disclosure more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0018] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0019] Figure 1 A flowchart of a liquid crystal screen heating method provided in an embodiment of the present invention;

[0020] Figure 2 A flowchart of another liquid crystal screen heating method provided in an embodiment of the present invention;

[0021] Figure 3 A flowchart illustrating another liquid crystal screen heating method provided in an embodiment of the present invention;

[0022] Figure 4 This is a schematic diagram of the structure of a liquid crystal screen processing system provided in an embodiment of the present invention;

[0023] Figure 5 This is a schematic diagram of the structure of a liquid crystal screen heating device provided in an embodiment of the present invention;

[0024] Figure 6 This is a schematic diagram of the structure of an electronic device provided in an embodiment of the present invention. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0026] With the development of technology, car rearview mirrors can be replaced by electronic rearview mirrors instead of traditional ones. Unlike traditional rearview mirrors, CMS (Color Management System) images are exposed by a camera, processed by an ISP (Image Signal Processor), and displayed on an LCD screen. This image has a certain delay, which causes a discrepancy between the displayed image and the actual position. At high speeds, this same delay results in a greater positional error. Since CMS functions as a rearview mirror and is closely related to driving safety, reducing image delay is crucial.

[0027] Table 1: Relative Speed ​​- Delay Time - Error Distance Diagram

[0028]

[0029] Table 1 shows the error distance under different relative velocities and different delay times.

[0030] Common automotive displays use liquid crystal displays (LCDs), which have significantly increased response time at low temperatures. For example, Kyocera displays are shown in Table 2.

[0031] Table 2: Temperature-Response Time Diagram

[0032] temperature 25℃ 0℃ -30℃ Response time (ms) 30 85 650

[0033] Table 2 shows the response time at different temperatures.

[0034] Based on Tables 1 and 2, it can be inferred that when a car starts, the initial temperature of the LCD screen is low and the response time is long, resulting in a significant increase in image delay. This poses an unacceptable risk to the car's operation, thus making LCD screen heating an indispensable function.

[0035] The invention patent with patent application number CN202210787221.2 provides a heating control system for automotive full LCD instrument panels in low-temperature environments. When the ambient temperature of the LCD screen is at room temperature, the heating module does not heat; when the ambient temperature of the LCD screen is lower than a preset starting heating temperature, heating begins. A heating analysis module analyzes the heating based on the PT1 temperature and the ambient temperature of the LCD screen, calculates a heating compensation value WB, and determines the output power of the heating module as PW based on the heating compensation value WB, thus achieving constant temperature heating control. When the ambient temperature of the LCD screen reaches the preset stop heating temperature or the PT1 temperature reaches a set value, the heating control module controls the heating module to shut down, preventing the PT1 temperature from overheating and burning out. This method, which uses an additional heating module to heat the LCD screen, suffers from problems such as large size, high cost, and complex control.

[0036] Based on this, the present invention provides a liquid crystal display (LCD) screen heating method, apparatus, and LCD screen processing system. The system is applied to a controller within the LCD screen processing system, which also includes a backlight driver and an LCD screen driver. By acquiring the temperature value of the LCD screen, a heating level is determined based on the temperature value. Then, based on the heating level, the heating power is controlled using the backlight driver and the LCD screen driver to heat the LCD screen. This method, by utilizing the backlight driver and the LCD screen driver to control the heating power, enables heating of the LCD screen without the need for an additional heating module, avoiding increased LCD screen size and cost, and reducing the complexity of LCD screen temperature control.

[0037] To facilitate understanding of this embodiment, a liquid crystal screen heating method disclosed in this embodiment of the invention will first be described in detail.

[0038] Example 1

[0039] This invention provides a method for heating a liquid crystal display (LCD) screen, which is applied to a controller included in an LCD screen processing system. The LCD screen processing system also includes a backlight driver and an LCD screen driver. Figure 1 This is a flowchart of a liquid crystal screen heating method provided in an embodiment of the present invention.

[0040] like Figure 1 As shown, the LCD screen heating method may include the following steps:

[0041] Step S101: Obtain the temperature value of the LCD screen.

[0042] The temperature value of the LCD screen can be obtained through a temperature sensor.

[0043] Step S102: Determine the heating level based on the temperature value.

[0044] The heating level can include a first heating level and a second heating level, and the size of the heating level can affect the rate of change of heating power.

[0045] Step S103: Control the heating power based on the heating level using backlight drive and LCD screen drive.

[0046] When electrical energy is converted into visible light, the luminous efficiency is generally no more than 30%. The lost energy is converted into heat and invisible light. The heat dissipation power can be controlled by the backlight driver and the LCD screen driver. This heat dissipation power can be used to heat the LCD screen, that is, this heat dissipation power is the heating power.

[0047] Step S104: Heat the LCD screen based on the heating power.

[0048] The heating power is used to heat the LCD screen, which can protect the LCD screen and prevent it from overheating and burning out.

[0049] The liquid crystal display (LCD) screen heating method provided in this invention is applied to a controller included in an LCD screen processing system. The LCD screen processing system also includes a backlight driver and an LCD screen driver. By acquiring the temperature value of the LCD screen, a heating level is determined based on the temperature value. Then, based on the heating level, the heating power is controlled using the backlight driver and the LCD screen driver to heat the LCD screen. This method, by utilizing the backlight driver and the LCD screen driver to control the heating power, enables heating of the LCD screen without adding an additional heating module, avoiding increased LCD screen size and cost, and reducing the complexity of LCD screen temperature control.

[0050] Example 2

[0051] This invention also provides another method for heating a liquid crystal display screen; this method is implemented based on the method in the above embodiments; the method focuses on describing the specific implementation of determining the heating level based on the temperature value.

[0052] Figure 2 A flowchart of another liquid crystal screen heating method provided in an embodiment of the present invention is shown below. Figure 2 As shown, determining the heating level based on temperature values ​​may include the following steps:

[0053] Step S201: Determine whether to heat the LCD screen based on the temperature value and the preset starting temperature value.

[0054] The initial temperature value is the highest temperature at which the LCD screen is heated. This initial temperature value can be 25°C, meaning that heating of the LCD screen begins when the screen temperature drops to this initial temperature value.

[0055] Specifically, the temperature value is compared with the initial temperature value. If the temperature value is less than or equal to the initial temperature value, the LCD screen is heated.

[0056] It should be noted that the initial temperature value can be set according to different regions and seasons. For example, in the winter in the north, the weather is cold and the temperature drops quickly, so the initial temperature value can be appropriately increased.

[0057] Step S202: If the LCD screen is heated, obtain the ambient temperature value corresponding to the LCD screen.

[0058] When the temperature value is less than or equal to the initial temperature value, the LCD screen will be heated, and the corresponding ambient temperature value of the LCD screen can be obtained at this time.

[0059] The ambient temperature value is the temperature value of a specified area around the LCD screen, such as the temperature value inside the car where the LCD screen is located.

[0060] Step S203: Determine the heating level based on the initial temperature value, the temperature value, and the ambient temperature value.

[0061] Specifically, determining the heating level based on the initial temperature value, the temperature value, and the ambient temperature value may include: determining a first heating level based on the initial temperature value and the temperature value; determining a second heating level based on the initial temperature value and the ambient temperature value; and determining the heating level based on the first heating level and the second heating level.

[0062] Specifically, determining the first heating level based on the initial temperature value and the temperature value involves: subtracting the initial temperature value and the temperature value to obtain a first difference; and determining the first heating level based on the first difference.

[0063] The larger the first difference, the higher the first heating level; the smaller the first difference, the lower the first heating level.

[0064] Specifically, determining the second heating level based on the initial temperature value and the ambient temperature value involves: subtracting the initial temperature value from the ambient temperature value to obtain a second difference value; and determining the second heating level based on the second difference value.

[0065] The larger the second difference, the higher the second heating level; the smaller the second difference, the lower the second heating level.

[0066] Specifically, determining the heating level based on the first heating level and the second heating level involves adding the first heating level and the second heating level together to obtain the heating level.

[0067] Furthermore, to avoid the LCD screen temperature from becoming too high due to continuous heating, after heating the LCD screen based on the heating power, the method may further include: obtaining the current temperature of the LCD screen; if the current temperature meets a preset heating temperature threshold, stopping the heating of the LCD screen.

[0068] The heating temperature threshold can be 30℃. When the current temperature reaches this heating temperature threshold, heating of the LCD screen will be stopped to avoid the LCD screen burning out due to overheating.

[0069] The LCD screen heating method provided in this embodiment of the invention determines the heating level by using the initial temperature value, the temperature value, and the ambient temperature value, which improves the precision of the heating level and can keep the temperature value of the LCD screen stable, avoiding the problem of the LCD screen burning out due to excessively high temperature and the problem of excessively high latency caused by excessively low LCD screen temperature.

[0070] Example 3

[0071] This invention also provides another method for heating a liquid crystal display screen; this method is implemented based on the method in the above embodiments; the method focuses on describing the specific implementation of controlling the heating power based on the heating level using backlight driving and liquid crystal display screen driving.

[0072] Figure 3 A flowchart of another liquid crystal screen heating method provided in an embodiment of the present invention is shown below. Figure 3 As shown, controlling the heating power based on the heating level using backlight drive and LCD screen drive may include the following steps:

[0073] Step S301: Adjust the backlight brightness of the LCD screen based on the heating level using the backlight driver.

[0074] It should be noted that an LCD screen can be composed of a light source, a lower polarizer, a TFT (Thin-Film Transistor) substrate, a liquid crystal panel, a color filter, and an upper polarizer. The light source and the liquid crystal panel together control the image brightness. The light source is typically a white LED (Light Emitting Diode), driven and controlled by a backlight, which determines the upper limit of the LCD screen's brightness. Liquid crystal material covers the light source; by changing the voltage across the liquid crystal material, the arrangement of its internal molecules is altered, thereby controlling the liquid crystal's light transmittance.

[0075] The backlight brightness is controlled by the backlight driver.

[0076] Step S302: Adjust the transmittance of the liquid crystal on the LCD screen based on the heating level using the LCD screen driver.

[0077] The light transmittance of the LCD screen is controlled by the LCD screen driver.

[0078] Step S303: Based on adjusting the backlight brightness and the liquid crystal transmittance, the heating power is controlled.

[0079] The principle behind this step: Let the maximum power of the backlight be P. max Given that the backlight drive duty cycle is d, the backlight luminous efficiency is η, and the light transmittance of the LCD screen is β, the actual backlight power P1 = P max *d, the transmitted light power P2=P max ×d×η×β, the actual backlight power minus the transmitted light power is the heat dissipation power P3, P3=P1-P2=P max *d(1-η×β).

[0080] The maximum power of the backlight is P. max The luminous efficiency η of the backlight is fixed at the factory. By proportionally increasing the backlight drive duty cycle d, the light transmittance β of the LCD screen is reduced. Keeping d*β constant, the transmitted light power P2 remains constant, meaning the LCD screen brightness remains unchanged. In this case, the backlight heat dissipation power P3 increases. Similarly, decreasing the duty cycle d increases the light transmittance β of the LCD screen. Keeping d×β constant, the backlight heat dissipation power P3 decreases. The heat dissipation power P3 can be used to heat the LCD screen, thus increasing or decreasing the heating power while keeping the LCD screen brightness constant.

[0081] The heating level can affect the variation of the backlight drive duty cycle d and the light transmittance β of the LCD screen, thereby affecting the adjustment rate of the heating power.

[0082] The LCD screen heating method provided in this embodiment of the invention controls the heating power while keeping the LCD screen brightness constant by adjusting the backlight brightness and the liquid crystal transmittance. This allows the LCD screen to be heated without the need for an additional heating module, avoiding the increase in LCD screen size and cost, and reducing the complexity of LCD screen temperature control.

[0083] Example 4

[0084] Corresponding to the above method embodiments, this embodiment of the invention provides a liquid crystal screen heating device, which is applied to a controller included in a liquid crystal screen processing system. The liquid crystal screen processing system also includes a backlight driver and a liquid crystal screen driver. Figure 4 This is a schematic diagram of the structure of a liquid crystal screen heating device provided in an embodiment of the present invention, as shown below. Figure 4 As shown, the LCD screen heating device may include:

[0085] Temperature value acquisition module 401 is used to acquire the temperature value of the LCD screen.

[0086] Heating level determination module 402 is used to determine the heating level based on the temperature value.

[0087] The heating power control module 403 is used to control the heating power based on the heating level using backlight drive and LCD screen drive.

[0088] The LCD screen heating module 404 is used to heat the LCD screen based on the heating power.

[0089] The LCD screen heating device provided in this embodiment of the invention is applied to a controller included in an LCD screen processing system. The LCD screen processing system also includes a backlight driver and an LCD screen driver. By acquiring the temperature value of the LCD screen, a heating level is determined based on the temperature value. Then, based on the heating level, the heating power is controlled using the backlight driver and the LCD screen driver to heat the LCD screen. In this method, by using the backlight driver and the LCD screen driver to control the heating power, heating of the LCD screen can be achieved without adding an additional heating module, avoiding increased LCD screen size and cost, and reducing the complexity of LCD screen temperature control.

[0090] In some embodiments, the heating level determination module is further configured to determine whether to heat the LCD screen based on the temperature value and a preset initial temperature value; if the LCD screen is to be heated, obtain the ambient temperature value corresponding to the LCD screen; and determine the heating level based on the initial temperature value, the temperature value, and the ambient temperature value.

[0091] In some embodiments, the heating level determination module is further configured to determine a first heating level based on an initial temperature value and a temperature value; determine a second heating level based on an initial temperature value and an ambient temperature value; and determine a heating level based on the first heating level and the second heating level.

[0092] In some embodiments, the heating level determination module is further configured to perform subtraction processing on the initial temperature value and the temperature value to obtain a first difference; determine a first heating level based on the first difference; and determine a second heating level based on the initial temperature value and the ambient temperature value, including: performing subtraction processing on the initial temperature value and the ambient temperature value to obtain a second difference; and determining a second heating level based on the second difference.

[0093] In some embodiments, the heating power control module is further configured to adjust the backlight brightness of the LCD screen based on the heating level using a backlight driver; adjust the liquid crystal transmittance of the LCD screen based on the heating level using an LCD screen driver; and control the heating power based on adjusting the backlight brightness and the liquid crystal transmittance.

[0094] In some embodiments, the LCD screen heating module is further configured to obtain the current temperature of the LCD screen; if the current temperature meets a preset heating temperature threshold, heating of the LCD screen is stopped.

[0095] The device provided in this embodiment of the invention has the same implementation principle and technical effect as the aforementioned method embodiment. For the sake of brevity, any parts not mentioned in the device embodiment can be referred to the corresponding content in the aforementioned method embodiment.

[0096] Example 5

[0097] This invention also provides a liquid crystal display (LCD) processing system. Figure 5 This is a schematic diagram of a liquid crystal display processing system provided in an embodiment of the present invention. Figure 5 As shown, the LCD screen processing system may include: an LCD screen 501, a backlight driver 502, an LCD screen driver 503, a controller 504, a temperature sensor 505 for the LCD screen, and an ambient temperature sensor 506 corresponding to the LCD screen; the backlight driver 502 is used to control the backlight brightness of the LCD screen 501, the LCD screen driver 503 is used to control the liquid crystal transmittance of the LCD screen 501, the controller 504 is used to execute the LCD screen heating method of the above embodiment, the temperature sensor 505 is used to determine the temperature value of the LCD screen 501, and the ambient temperature sensor 506 is used to determine the ambient temperature value within a preset range of the LCD screen 501.

[0098] Example 6

[0099] This invention also provides an electronic device for operating the above-described LCD screen heating method; see [link to previous document]. Figure 6 The diagram shows the structure of an electronic device, which includes a memory 600 and a processor 601. The memory 600 stores one or more computer instructions, which are executed by the processor 601 to implement the above-mentioned LCD screen heating method.

[0100] Furthermore, Figure 6 The electronic device shown also includes a bus 602 and a communication interface 603, with the processor 601, communication interface 603 and memory 600 connected via the bus 602.

[0101] The memory 600 may include high-speed random access memory (RAM) or non-volatile memory, such as at least one disk storage device. Communication between this system network element and at least one other network element is achieved through at least one communication interface 603 (which can be wired or wireless), such as the Internet, wide area network, local area network, or metropolitan area network. The bus 602 may be an ISA bus, PCI bus, or EISA bus, etc. The bus can be divided into address bus, data bus, control bus, etc. For ease of representation, Figure 6 The symbol is represented by a single double-headed arrow, but this does not mean that there is only one bus or one type of bus.

[0102] Processor 601 may be an integrated circuit chip with signal processing capabilities. In implementation, each step of the above method can be completed by the integrated logic circuitry in the hardware of processor 601 or by instructions in software form. Processor 601 can be a general-purpose processor, including a Central Processing Unit (CPU), a Network Processor (NP), etc.; it can also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field-Programmable Gate Array (FPGA), or other programmable logic devices, discrete gate or transistor logic devices, or discrete hardware components. It can implement or execute the methods, steps, and logic block diagrams disclosed in the embodiments of this invention. The general-purpose processor can be a microprocessor or any conventional processor. The steps of the methods disclosed in the embodiments of this invention can be directly manifested as execution by a hardware decoding processor, or execution by a combination of hardware and software modules in the decoding processor. The software module can reside in a readily available storage medium in the art, such as random access memory, flash memory, read-only memory, programmable read-only memory, electrically erasable programmable memory, or registers. This storage medium is located in memory 600. Processor 601 reads information from memory 600 and, in conjunction with its hardware, completes the steps of the method described in the foregoing embodiments.

[0103] This invention also provides a computer-readable storage medium storing computer-executable instructions. When these computer-executable instructions are called and executed by a processor, they cause the processor to implement the above-described liquid crystal screen heating method. For specific implementation details, please refer to the method embodiments, which will not be repeated here.

[0104] The computer program product for the liquid crystal screen heating method provided in this embodiment of the invention includes a computer-readable storage medium storing non-volatile program code executable by a processor. The instructions included in the program code can be used to execute the methods described in the preceding method embodiments. For specific implementation details, please refer to the method embodiments, which will not be repeated here.

[0105] Those skilled in the art will understand that, for the sake of convenience and brevity, the specific working processes of the systems, devices, and units described above can be referred to the corresponding processes in the foregoing method embodiments, and will not be repeated here.

[0106] In the several embodiments provided by this invention, it should be understood that the disclosed systems, apparatuses, and methods can be implemented in other ways. The apparatus embodiments described above are merely illustrative. For example, the division of units is only a logical functional division, and in actual implementation, there may be other division methods. Furthermore, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Additionally, the coupling or direct coupling or communication connection shown or discussed may be through some communication interfaces; the indirect coupling or communication connection between devices or units may be electrical, mechanical, or other forms.

[0107] The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.

[0108] In addition, the functional units in the various embodiments of the present invention can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit.

[0109] If the aforementioned functions are implemented as software functional units and sold or used as independent products, they can be stored in a processor-executable, non-volatile, computer-readable storage medium. Based on this understanding, the technical solution of this invention, essentially, or the part that contributes to the prior art, or a portion of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of this invention. The aforementioned storage medium includes various media capable of storing program code, such as USB flash drives, portable hard drives, read-only memory (ROM), random access memory (RAM), magnetic disks, or optical disks.

[0110] Finally, it should be noted that the above-described embodiments are merely specific implementations of the present invention, used to illustrate the technical solutions of the present invention, and not to limit it. The scope of protection of the present invention is not limited thereto. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that any person skilled in the art can still modify or easily conceive of changes to the technical solutions described in the foregoing embodiments within the technical scope disclosed in the present invention, or make equivalent substitutions for some of the technical features; and these modifications, changes, or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention, and should all be covered within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A method of heating a liquid crystal panel, characterized by, A controller applied to a liquid crystal display (LCD) processing system, the LCD processing system further including a backlight driver and an LCD driver, the method comprising: Obtain the temperature value of the LCD screen; The heating level is determined based on the temperature value; The heating power is controlled by the backlight driver and the LCD screen driver based on the heating level. The LCD screen is heated based on the heating power; The method of controlling the heating power based on the heating level using the backlight driver and the LCD screen driver includes: The backlight brightness of the LCD screen is adjusted based on the heating level using the backlight driver. The transmittance of the liquid crystal on the liquid crystal screen is adjusted based on the heating level. The heating power is controlled by adjusting the backlight brightness and the liquid crystal transmittance. While keeping the brightness of the LCD screen constant, the heating power is increased by proportionally increasing the backlight drive duty cycle and decreasing the liquid crystal transmittance, so as to heat the LCD screen.

2. The method of claim 1, wherein, Determining the heating level based on the temperature value includes: Determine whether to heat the LCD screen based on the temperature value and the preset starting temperature value; If the LCD screen is heated, the ambient temperature value corresponding to the LCD screen is obtained; The heating level is determined based on the initial temperature value, the temperature value, and the ambient temperature value.

3. The method of claim 2, wherein, Determining the heating level based on the initial temperature value, the temperature value, and the ambient temperature value includes: The first heating level is determined based on the initial temperature value and the temperature value; The second heating level is determined based on the initial temperature value and the ambient temperature value; The heating level is determined based on the first heating level and the second heating level.

4. The method of claim 3, wherein, Determining the first heating level based on the initial temperature value and the temperature value includes: The difference between the initial temperature value and the temperature value is calculated to obtain a first difference value; The first heating level is determined based on the first difference; Determining the second heating level based on the initial temperature value and the ambient temperature value includes: The difference between the initial temperature value and the ambient temperature value is calculated to obtain a second difference value; The second heating level is determined based on the second difference.

5. The method of claim 1, wherein, After heating the LCD screen based on the heating power, the method further includes: Obtain the current temperature of the LCD screen; If the current temperature meets the preset heating temperature threshold, heating of the LCD screen is stopped.

6. A liquid crystal panel heating device, characterized by comprising: A controller applied to a liquid crystal display (LCD) processing system for implementing the LCD heating method according to any one of claims 1 to 5, wherein the LCD processing system further includes a backlight driver and an LCD driver, and the device comprises: Temperature value acquisition module, used to acquire the temperature value of the LCD screen; A heating level determination module is used to determine the heating level based on the temperature value; A heating power control module is used to control the heating power based on the heating level using the backlight driver and the LCD screen driver; The LCD screen heating module is used to heat the LCD screen based on the heating power.

7. A liquid crystal panel processing system, comprising: include: LCD screen, backlight driver, LCD screen driver, controller, LCD screen temperature sensor and corresponding ambient temperature sensor; The backlight driver is used to control the backlight brightness of the LCD screen, the LCD screen driver is used to control the liquid crystal transmittance of the LCD screen, the controller is used to execute the LCD screen heating method according to any one of claims 1 to 5, and the temperature sensor is used to determine the temperature value of the LCD screen. The ambient temperature sensor is used to determine the ambient temperature value within a preset range for the LCD screen.

8. An electronic device, comprising: The device includes a processor and a memory, the memory storing computer-executable instructions that can be executed by the processor, the processor executing the computer-executable instructions to implement the liquid crystal screen heating method according to any one of claims 1 to 5.

9. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores computer-executable instructions, which, when invoked and executed by a processor, cause the processor to implement the liquid crystal screen heating method according to any one of claims 1 to 5.

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