Driving method, driving circuit and display device

Abstract

This application discloses a driving method, driving circuit, and display device, relating to the field of display technology. The driving method of this application is applied to a display device, and the driving method includes the steps of: determining that the next frame is a load frame; outputting a corresponding control signal according to the load condition of the next frame; receiving the control signal; and adjusting the bias current value according to the control signal. The driving method of this application realizes real-time control of the bias current by identifying the load condition of the next frame, thereby reducing the power consumption of the flip-chip film.

Description

Technical Field

[0001] This application relates to the field of display technology, and in particular to a driving method, driving circuit and display device. Background Technology

[0002] In the display industry, to meet the data output and processing needs of large-size products, the number of COF (Chip-on-Foil) layers required is increasing. The power consumption of COF is related to the bias current, which is a constant or base current applied to the display to set the operating point of the display device, enabling it to respond to input signals within an appropriate range. Current display devices employ a technology called Dynamic Bias. Dynamic bias current control (DBC) is crucial because the bias current is related to the load on the product's output screen. In previous designs, to meet the product's load requirements, the bias current was typically set to a constant output value that could satisfy the maximum load. This resulted in high power consumption for the flip-chip films in older products. To address this power consumption issue, various manufacturers introduced the DBC function, which can dynamically control the bias current. However, the DBC function does not provide real-time detection and adaptive adjustment. Instead, it modifies the output bias current value through settings in the flip-chip's internal registers. For example, the H / M / L levels (high / medium / low levels) of the flip-chip's internal registers can output currents of 1.2, 1.5, and 2 times the base bias current. However, during user operation, the bias current remains constant. Therefore, a method for real-time control of the bias current is urgently needed. Summary of the Invention

[0003] The purpose of this application is to provide a driving method, driving circuit, and display device that can control the magnitude of the bias current in real time by identifying the load condition of the next frame, thereby reducing the power consumption of the flip-chip film.

[0004] This application discloses a driving method applied to a display device, including the following steps: The next frame is determined to be a load frame; Based on the load of the next frame, output the corresponding control signal; Receive control signals; and Adjust the bias current value according to the control signal.

[0005] Optionally, the step of outputting the corresponding control signal based on the load of the next frame includes: Determine whether the load on the screen is heavy, medium, or light. Output control signals corresponding to heavy load, medium load, or light load screens.

[0006] Optionally, the step of adjusting the bias current value according to the control signal includes: The control signal can be identified as a heavy load screen control signal, a medium load screen control signal, or a light load screen control signal. Adjust the bias current value according to the type of control signal identified; Specifically, when the control signal is for a heavy-load screen, the bias current output is twice the base bias current; when the control signal is for a medium-load screen, the bias current output is 1.5 times the base bias current; and when the control signal is for a light-load screen, the bias current output is 1.2 times the base bias current.

[0007] Optionally, the driving method further includes the step of: The voltage level reached per unit time is compared with the preset voltage to obtain the comparison result; Determine whether the bias current value is appropriate based on the comparison results; The detected voltage level is the voltage level of the data output.

[0008] Optionally, the step of comparing the voltage level reached per unit time with a preset voltage to obtain the comparison result includes: Detects the output voltage value per unit time; The detected voltage value is compared with the preset voltage to obtain the difference.

[0009] Optionally, the driving method further includes the step of: Establish the bias current value corresponding to the unit time; The coordinate point is obtained by taking the bias current value per unit time as the X coordinate point and the difference between the detected voltage value and the preset voltage as the Y coordinate point. Repeat the above steps to obtain multiple coordinate points; Based on multiple coordinate points, a curve coordinate graph of the bias current versus voltage difference is established.

[0010] Optionally, the driving method further includes the step of: Detects the output voltage value per unit time; The adjusted bias current value is obtained by using linear interpolation and the curve coordinate graph of bias current versus voltage interpolation.

[0011] Optionally, the step of obtaining the adjusted bias current value using linear interpolation and a graph of the bias current versus voltage difference includes: The voltage difference is obtained by subtracting the detected output voltage value from the preset output voltage value within the unit time. Based on the voltage difference obtained above, the bias current value corresponding to the current voltage difference is calculated using linear interpolation. Controlling and modifying the bias current value within the flip-chip film; Repeat the above steps after each unit of time until the display device stops displaying.

[0012] This application also discloses a driving circuit for executing the driving method described above, including a timing control module and a flip-chip thin film. The timing control module includes an overdrive function module and an algorithm controller, and the overdrive function module is connected to the algorithm controller. The flip-chip thin film includes a register and a dynamic bias control module, and the algorithm controller is connected to the register, and the register is connected to the dynamic bias control module. The dynamic bias control module adjusts the bias current value output according to the control signal output by the register.

[0013] This application also discloses a display device, which includes a display panel and the driving circuit described above, wherein the driving circuit applies the driving method described above to drive the display panel.

[0014] The driving method of this application identifies the load condition of the next frame, outputs a corresponding control signal based on the load condition of the next frame, and then adjusts the bias current according to the control signal to achieve real-time control of the bias current. Compared with the method of directly setting the bias current to a constant output that can meet the maximum load, the driving method of this application can meet the load requirements of the display device product, without affecting the display of the display device, and at the same time reduce the power consumption of the flip-chip film, thereby reducing the overall power consumption of the display device. Attached Figure Description

[0015] The accompanying drawings, which form part of the specification, are used to provide a further understanding of the embodiments of this application and illustrate the implementation methods of this application, together with the textual description, to explain the principles of this application. Obviously, the drawings described below are merely some embodiments of this application, and those skilled in the art can obtain other drawings based on these drawings without any creative effort. In the drawings: The accompanying drawings, which form part of the specification, are used to provide a further understanding of the embodiments of this application and illustrate the implementation methods of this application, together with the textual description, to explain the principles of this application. Obviously, the drawings described below are merely some embodiments of this application, and those skilled in the art can obtain other drawings based on these drawings without any creative effort. In the drawings: Figure 1 This is a flowchart of the steps of a driving method according to the first embodiment of this application; Figure 2 This application Figure 1The detailed step-by-step flowchart is shown below. Figure 3 This application Figure 1 Another detailed step-by-step flowchart of the process flow chart; Figure 4 This is a flowchart of the steps of a driving method according to the second embodiment of this application; Figure 5 This application Figure 4 The detailed step-by-step flowchart is shown below. Figure 6 This is a flowchart of another step of a driving method according to the second embodiment of this application; Figure 7 This is a graph of the bias current versus voltage difference in the second embodiment of this application. Figure 8 This is a flowchart of the subsequent steps of a driving method according to a second embodiment of this application; Figure 9 This is a schematic diagram of the structure of a driving circuit according to the third embodiment of this application; Figure 10 This is a schematic diagram of the structure of a display device according to the fourth embodiment of this application.

[0016] Among them, 100 is the driving circuit; 110 is the timing control module; 111 is the overdrive function module; 112 is the algorithm controller; 120 is the flip-chip thin film; 121 is the register; 122 is the dynamic bias control module; 200 is the display panel; and 300 is the display device. Detailed Implementation

[0017] It should be understood that the terminology, specific structural and functional details used herein are merely for describing particular embodiments and are representative. However, this application may be implemented in many alternative forms and should not be construed as being limited to the embodiments set forth herein.

[0018] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating relative importance or implying the number of technical features indicated. Therefore, unless otherwise stated, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; "multiple" means two or more. The term "comprising" and any variations thereof mean non-exclusive inclusion, where one or more other features, integers, steps, operations, units, components, and / or combinations thereof may be present or added.

[0019] In addition, terms such as “center,” “horizontal,” “up,” “down,” “left,” “right,” “vertical,” “horizontal,” “top,” “bottom,” “inner,” and “outer” that indicate orientation or positional relationship are based on the orientation or relative positional relationship shown in the accompanying drawings. They are only for the purpose of simplifying the description of this application and do not indicate that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0020] Furthermore, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium, or internal connections between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0021] The present application will now be described in detail with reference to the accompanying drawings and optional embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0022] like Figure 1 As shown, as a first embodiment of this application, a driving method is disclosed, which is applied to a display device. The driving method includes the following steps: The next frame is determined to be a load frame; Specifically, the timing controller in the display device utilizes the overdrive table (ODtable) function to determine the characteristics of a heavy-load screen by comparing the cumulative number of detected units with the total number of sub-pixels in the display area, according to the set detection units (e.g., setting 4*4 sub-pixels as one detection unit, and the detection units need to meet the characteristics of a heavy-load screen) and the proportion of the detection units to the total number of sub-pixels. If the proportion is greater than 10%, it is considered to meet the characteristics of a heavy-load screen, and the next frame is determined to be a heavy-load screen. In this embodiment, if the proportion is greater than 10% but less than 30%, the next frame is determined to be a light-load screen; if the proportion is greater than 30% but less than 60%, the next frame is determined to be a medium-load screen; and if the proportion is greater than 60%, the next frame is determined to be a heavy-load screen. Light-load, medium-load, and heavy-load screens are all types of heavy-load screens. Based on the load of the next frame, output the corresponding control signal; Specifically, depending on the load of the next frame, such as a lightly loaded frame, a medium-loaded frame, or a heavily loaded frame, the timing controller outputs the corresponding control signal for the lightly loaded frame, medium-loaded frame, or heavily loaded frame. Receive control signals; Specifically, after the timing controller outputs the control signal, the register reg in the flip-chip film receives the control signal and determines the load on the screen based on the control signal, that is, whether the screen is a lightly loaded screen, a medium-load screen, or a heavily loaded screen, so as to determine the output bias current with the appropriate gain. Adjust the bias current value according to the control signal. Specifically, after determining whether the screen is a light-load, medium-load, or heavy-load screen based on the control signal, the bias current with the corresponding gain is output according to the determination result to adjust the bias current value, thereby achieving real-time control of the bias current and reducing the power consumption of the flip-chip film. The driving method of this embodiment identifies the load condition of the next frame, outputs a corresponding control signal based on the load condition of the next frame, and adjusts the bias current according to the control signal to achieve real-time control of the bias current. Compared with the method of directly setting the bias current to a constant output that can meet the maximum load, the driving method of this application can meet the load requirements of the display device product, without affecting the display of the display device, and can also reduce the power consumption of the flip-chip film, thereby reducing the overall power consumption of the display device.

[0023] Furthermore, such as Figure 2 As shown, the step of outputting the corresponding control signal based on the load of the next frame includes: Determine whether the load on the screen is heavy, medium, or light. Specifically, the timing controller in the display device determines the load of the next frame as heavy load, medium load, or light load by comparing the cumulative number of detected detection units with the total number of sub-pixels in the display area, according to the set detection units and the proportion of detection units to the total number of sub-pixels. Output control signals corresponding to heavy load, medium load, or light load screens; Specifically, after the timing controller determines that the load condition of the next frame is heavy, medium, or light, it outputs the corresponding control signal DBC_F to the flip-chip film to proceed to the next step. The control signal DBC_F is a feedback signal of the DBC function in the display device. The control signals DBC_F corresponding to heavy, medium, and light load frames are different, and the electrical signal value of the control signal for a heavy load frame is greater than that for a medium load frame, and the electrical signal value of the control signal for a medium load frame is greater than that for a light load frame. In this embodiment, the electrical signal value of the control signal for a heavy load frame can be set to 3.3V, the electrical signal value of the control signal for a medium load frame can be set to 1.8V, and the electrical signal value of the control signal for a light load frame can be set to 0.9V.

[0024] Furthermore, such as Figure 3 As shown, the step of adjusting the bias current value according to the control signal includes: The control signal can be identified as a heavy load screen control signal, a medium load screen control signal, or a light load screen control signal. Adjust the bias current value according to the type of control signal identified; Specifically, when the identified control signal is a heavy-load screen control signal, the bias current output is twice the base bias current; when it is a medium-load screen control signal, the bias current output is 1.5 times the base bias current; and when it is a light-load screen control signal, the bias current output is 1.2 times the base bias current. The above bias current settings corresponding to heavy-load, medium-load, and light-load screens are only examples. The specific bias current values ​​are subject to actual conditions and are not limited here.

[0025] In summary, the driving method of this embodiment identifies the load status of the next frame as a heavy-load, medium-load, or light-load frame. Based on the identified load status, it outputs a corresponding control signal to the flip-chip film. The flip-chip film then adjusts the bias current according to the control signal. When it is a heavy-load frame, it outputs twice the base bias current; when it is a medium-load frame, it outputs 1.5 times the base bias current; and when it is a light-load frame, it outputs 1.2 times the base bias current. This achieves real-time control of the bias current, reducing the power consumption of the flip-chip film while meeting the load requirements of the display device.

[0026] The inventors of this application considered that if the display device is driven by the driving method in the first embodiment, although it can reduce the power consumption of the flip-chip film compared to the method of directly setting the bias current to a constant output that can meet the maximum load, the control of the bias current is not very precise, and there may be a small amount of bias current power consumption wasted. Based on this, the inventors have made improvements to the driving method of the first embodiment, as described below. like Figure 4 As shown, as a second embodiment of this application, unlike the first embodiment described above, a driving method is disclosed, which further includes the step of: The voltage level reached per unit time is detected and compared with a preset voltage to obtain the comparison result; Specifically, the voltage value of the voltage level is detected within a unit of time and compared with the preset voltage value. That is, the actual output voltage value is compared with the preset voltage value to obtain the comparison result of the voltage difference. Determine whether the bias current value is appropriate based on the comparison results; Specifically, by comparing the actual voltage value with the preset voltage value, the appropriateness of the bias current value is determined based on the voltage difference. If it is not appropriate, the bias current value needs to be adjusted so that the actual voltage value is close to the preset voltage value. It should be noted that, ideally, a voltage difference of zero indicates that the bias current value is most appropriate. In practice, a voltage difference close to zero or infinitely close to zero is acceptable. In addition, in this embodiment, the detected voltage level is the voltage level of the data output (Source out), that is, the voltage value output from the flip-chip film to the display panel. The driving method of this embodiment can compare the voltage level of the data output per unit time with a preset voltage in real time. By comparing the magnitude of the preset voltage and the detected voltage, it can determine whether the current bias current is appropriate. If the detected voltage is close to the preset voltage, it means that the bias current is close to appropriate. If the detected voltage is less than the preset voltage, it means that the bias current is slightly small and needs to be adjusted. By comparing the preset voltage with the detected voltage, the bias current can be controlled more precisely, rather than simply relying on the output bias current according to different gain factors as described in the first embodiment. This makes the control of the bias current more precise and further reduces the power consumption of the flip-chip film.

[0027] Furthermore, such as Figure 5 As shown, the step of comparing the voltage level reached per unit time with a preset voltage to obtain the comparison result includes: Detects the output voltage value per unit time; Specifically, a unit time is set, and the voltage value of the data output is detected within the unit time to obtain the actual output voltage value; The detected voltage value is compared with the preset voltage to obtain the difference; Specifically, the preset voltage is the voltage value output under theoretical conditions. There will be a difference between the voltage value and the actual detected voltage value. The bias current value can be adjusted by using this voltage difference so that the output bias current value meets the actual requirements.

[0028] like Figure 6 As shown, the driving method further includes the following steps: Establish the bias current value corresponding to the unit time; Specifically, the bias current value is the bias current value required for the actual output voltage value to reach the preset voltage value within a set unit time. That is, under this bias current value, the actual output voltage value can reach the preset voltage value within a set unit time. The X-axis is the bias current value per unit time, and the Y-axis is the difference between the detected voltage value and the preset voltage, to obtain the coordinate point (X, Y). Specifically, the bias current value established in the previous step corresponding to the unit time is the X coordinate, and the difference between the detected voltage value and the preset voltage is the Y coordinate, thus obtaining the coordinate points X and Y. Repeat the above steps to obtain multiple coordinate points; Based on multiple coordinate points, a curve coordinate graph of the bias current versus voltage difference is established.

[0029] By establishing a curve coordinate graph of the bias current and voltage difference, the driving method of this embodiment can detect the magnitude of the actual output voltage value, subtract the actual output voltage value from the preset voltage value to obtain the difference value, and then find the corresponding bias current value based on the curve coordinate graph of the bias current and voltage difference. This bias current value is used as the bias current value to adjust the bias current value of the display device to meet the load requirements of the display device product. The following is a simple example illustrating how to obtain coordinate points to create a graph of the bias current versus voltage difference: Assuming the maximum output voltage of the display device under heavy load is V1, and taking a unit time of 50 nanoseconds as a basis, using an FHD 200Hz project as an example (the higher the refresh rate, the larger the required bias current value, which is representative), its charging time is approximately 3.7 microseconds (the bias current required to reach the preset V voltage level within 3.7 microseconds of charging time is I). Therefore, the bias current corresponding to a unit time of 50 nanoseconds is I1, and the output voltage value per unit time is V1. So, considering only the actual output voltage per unit time, the difference between the preset voltage value and the actual voltage value is Δ1 = 0. Similarly, when... When the bias current is 0, the final charging voltage obtained within 3.7 microseconds is V', which corresponds to the voltage Vn within a 50 nanosecond unit time. The difference between Vn and the preset voltage unit output value V1 is Δn, and the bias current corresponding to Δn is I0. Using the established bias current value corresponding to the unit time as the X-axis and the difference between the detected voltage value and the preset voltage as the Y-axis, we can obtain the coordinate points (Δ1, I1) and (Δn, I0). A curve graph of the bias current versus voltage difference can be established using these two coordinate points. The specific curve graph of the bias current versus voltage difference can be shown as follows... Figure 7 As shown; it should be noted that the above △1=0 is the parameter under ideal conditions, that is, the preset voltage value is equal to the actual detected voltage value. In actual conditions, △1 will not reach 0, but will only approach 0.

[0030] Furthermore, such as Figure 8 As shown, the driving method further includes the following steps: Detects the output voltage value per unit time; The adjusted bias current value is obtained by using linear interpolation and a curve graph of the bias current versus voltage difference. Specifically, the voltage value detected per unit time is subtracted from the preset output voltage value within that unit time to obtain a voltage difference. Based on this voltage difference, the bias current value corresponding to the current voltage difference is calculated using a linear interpolation method, so that the display device can output a voltage value that meets the expectations. In this embodiment, the unit time can be between 40 nanoseconds and 60 nanoseconds; 50 nanoseconds is used as an example. Furthermore, after obtaining the adjusted bias current value, the bias current value is modified within the flip-chip film to output a suitable bias current value. In addition, the driving method in this embodiment also includes the following steps: Repeat the above steps after each unit of time until the display device stops displaying; Specifically, during the display process of the display device, taking the preset unit time of 50 nanoseconds in this embodiment as an example, the actual output voltage value is detected once every 50 nanoseconds. The difference between the voltage value detected in 50 nanoseconds and the preset output voltage V1 is obtained to get the difference Δm. Then, the bias current value Im corresponding to the difference Δm is obtained by using linear interpolation. The bias current output of the flip-chip film is adjusted to Im.

[0031] The driving method of this embodiment establishes a curve coordinate graph of the bias current and voltage difference. It only needs to detect the actual output voltage value within a unit time, calculate the difference between the detected voltage value and the preset output voltage within a unit time, and then obtain the bias current value corresponding to the difference through linear interpolation. In general, the driving method of this embodiment can obtain the corresponding bias current value through linear interpolation regardless of whether the actual output voltage value within a unit time is too large or too small compared with the preset voltage value. The bias current output can be adjusted in real time, and the bias current value can be precisely adjusted, further reducing the waste of bias current power consumption.

[0032] like Figure 9 As shown, as a third embodiment of this application, a driving circuit 100 is disclosed for executing the driving method described in the above embodiments. The driving circuit 100 includes a timing control module 110 and a flip-chip thin film 120. The timing control module 110 includes an overdrive function module 111 and an algorithm controller 112. The overdrive function module 111 is connected to the algorithm controller 112. The flip-chip thin film 120 includes a register 121 and a dynamic bias control module 122. The algorithm controller 112 is connected to the register 121, and the register 121 is connected to the dynamic bias control module 122. The dynamic bias control module 122 adjusts the output bias current value according to the control signal output by the register 121.

[0033] When the timing control module 110 determines that a heavy load scene will appear in the next frame, the timing control module 110 will output a control signal DBC_F through the algorithm controller 112 and give DBC_F to the register 121 inside the flip-chip film 120. After receiving the control signal DBC_F, the register 121 identifies the current scene as a heavy load scene, a medium load scene, or a light load scene according to the control signal DBC_F (the voltage level of the DBC_F control signal corresponding to heavy load scene, medium load scene, and light load scene are different). After the register 121 identifies that it is a heavy load scene, a medium load scene, or a light load scene, it controls the dynamic bias control module 122 to output the corresponding bias current value according to the identification.

[0034] In this embodiment, the voltage levels of the control signal DBC_F can be set to include high, medium, and low levels, corresponding to heavy load, medium load, and light load scenes, respectively. The high level is 3.3V, the medium level is 1.8V, and the low level is 0.9V. When register 121 receives a 3.3V high-level DBC_F control signal, it controls the dynamic bias control module 122 to output twice the base bias current. When register 121 receives a 1.8V medium-level DBC_F control signal, it controls the dynamic bias control module 122 to output 1.5 times the base bias current. When register 121 receives a 0.9V low-level DBC_F control signal, it controls the dynamic bias control module 122 to output 1.2 times the base bias current. By using register 121 inside the flip-chip film 120 to determine the screen load based on different voltage levels, it determines the corresponding gain of the output bias current, thereby achieving real-time control of the bias current and reducing the power consumption of the flip-chip film 120.

[0035] The driving circuit in this embodiment identifies the load condition of the next frame and outputs a corresponding control signal based on the load condition of the next frame. Then, it adjusts the bias current according to the control signal to achieve real-time control of the bias current. This reduces the power consumption of the flip-chip film while meeting the load requirements of the display device without affecting the display, thereby reducing the overall power consumption of the display device.

[0036] like Figure 10 As shown, as a fourth embodiment of this application, a display device 300 is disclosed. The display device 300 includes a display panel 200 and a driving circuit 100 as described in the above embodiments. The driving circuit 100 applies the driving method described in the above embodiments to drive the display panel 200.

[0037] The display device in this embodiment identifies the load condition of the next frame and outputs a corresponding control signal based on the load condition of the next frame. Then, it adjusts the bias current according to the control signal to achieve real-time control of the bias current. This reduces the power consumption of the flip-chip film while meeting the load requirements of the display device without affecting the display, thereby reducing the overall power consumption of the display device.

[0038] It should be noted that the limitations on each step involved in this solution are not considered as limiting the order of steps, provided that they do not affect the implementation of the specific solution. The steps listed first can be executed first, later, or even simultaneously. As long as this solution can be implemented, it should be considered to fall within the scope of protection of this application.

[0039] The technical solution of this application can be widely used in various display panels, such as TN (Twisted Nematic) display panels, IPS (In-Plane Switching) display panels, VA (Vertical Alignment) display panels, and MVA (Multi-Domain Vertical Alignment) display panels. Of course, it can also be used in other types of display panels, such as OLED (Organic Light-Emitting Diode) display panels, all of which are applicable to the above solution.

[0040] It should be noted that the inventive concept of this application can form many embodiments, but due to the limited space of the application documents, they cannot all be listed. Therefore, without conflict, the embodiments described above or the technical features can be arbitrarily combined to form new embodiments. After the embodiments or technical features are combined, the original technical effect will be enhanced.

[0041] The above description, in conjunction with specific optional embodiments, provides a further detailed explanation of this application and should not be construed as limiting the specific implementation of this application to these descriptions. For those skilled in the art, various simple deductions or substitutions can be made without departing from the concept of this application, and all such modifications or substitutions should be considered within the scope of protection of this application.

Claims

1. A driving method applied to a display device, comprising: Including the following steps: The next frame is determined to be a load frame; Based on the load of the next frame, output the corresponding control signal; Receive control signals; and Adjust the bias current value according to the control signal.

2. The driving method according to claim 1, wherein The step of outputting the corresponding control signal based on the load of the next frame includes: Determine whether the load on the screen is heavy, medium, or light. Output control signals corresponding to heavy load, medium load, or light load screens.

3. The driving method according to claim 1, wherein The step of adjusting the bias current value according to the control signal includes: The control signal can be identified as a heavy load screen control signal, a medium load screen control signal, or a light load screen control signal. Adjust the bias current value according to the type of control signal identified; Specifically, when the control signal is for a heavy-load screen, the bias current output is twice the base bias current; when the control signal is for a medium-load screen, the bias current output is 1.5 times the base bias current; and when the control signal is for a light-load screen, the bias current output is 1.2 times the base bias current.

4. The driving method according to claim 1, wherein It also includes the following steps: The voltage level reached per unit time is compared with the preset voltage to obtain the comparison result; Determine whether the bias current value is appropriate based on the comparison results; The detected voltage level is the voltage level of the data output.

5. The driving method according to claim 4, characterized in that, The step of comparing the voltage level reached per unit time with a preset voltage to obtain the comparison result includes: Detect the output voltage value per unit time; The detected voltage value is compared with the preset voltage to obtain the difference.

6. The driving method according to claim 5, wherein The driving method further includes the following steps: Establish the bias current value corresponding to the unit time; The coordinate point is obtained by taking the bias current value per unit time as the X coordinate point and the difference between the detected voltage value and the preset voltage as the Y coordinate point. Repeat the above steps to obtain multiple coordinate points; Based on multiple coordinate points, a curve coordinate graph of the bias current versus voltage difference is established.

7. The driving method according to claim 6, wherein It also includes the following steps: Detect the output voltage value per unit time; The adjusted bias current value is obtained by using linear interpolation and the curve coordinate graph of bias current versus voltage interpolation.

8. The driving method according to claim 7, wherein The step of obtaining the adjusted bias current value using linear interpolation and a curve coordinate graph of the bias current versus voltage difference includes: The voltage difference is obtained by subtracting the detected output voltage value from the preset output voltage value within the unit time. Based on the voltage difference obtained above, the bias current value corresponding to the current voltage difference is calculated using linear interpolation. Controlling and modifying the bias current value within the flip-chip film; Repeat the above steps after each unit of time until the display device stops displaying.

9. A drive circuit for performing the drive method according to any one of claims 1 to 8, characterized by include: The timing control module includes an overdrive function module and an algorithm controller, wherein the overdrive function module is connected to the algorithm controller; A flip-chip thin film includes a register and a dynamic bias control module, wherein the algorithm controller is connected to the register, and the register is connected to the dynamic bias control module; The dynamic bias control module adjusts the bias current value output according to the control signal output by the register.

10. A display device, characterized by comprising: It includes a display panel and a driving circuit as described in claim 9, wherein the driving circuit applies the driving method as described in any one of claims 1 to 8 to drive the display panel.

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