CN-117116214-B - Display overdriving control method and device, electronic equipment and storage medium

Abstract

The embodiment of the invention discloses a display overdriving control method, a device, electronic equipment and a storage medium, wherein overdriving control reference parameters, backlight control information and pixel signal statistics values of a plurality of virtual partitions of an image frame to be displayed of a plurality of display screen partitions can be obtained, pixel signal amplitude when the image frame to be displayed is predicted according to the overdriving control reference parameters, the backlight control information and the pixel signal statistics values, the overdriving coefficients are determined based on the mapping relation between the pixel signal amplitude and the reference overdriving coefficients and the pixel signal amplitude, partition heat accumulation values are predicted based on the overdriving control reference parameters, the pixel signal amplitude and the overdriving coefficients, heat control correction is carried out on the overdriving coefficients according to the partition heat accumulation values and the overdriving control reference parameters to obtain target overdriving coefficients, overdriving control is carried out on the display equipment through the target overdriving coefficients, overdriving duration can be improved on the basis of not changing the hardware structure of the display equipment, and overdriving effects of the display equipment are improved.

Inventors

• CHEN YIXIN
• XIE RENLI

Assignees

• 深圳TCL新技术有限公司

Dates

Publication Date

20260512

Application Date

20220808

Claims (19)

1. 1. A display overdrive control method, comprising: acquiring overdriving control reference parameters, backlight control information and pixel signal statistics of a plurality of virtual partitions of an image frame to be displayed of a plurality of display screen partitions of display equipment; predicting the pixel signal amplitude of each display screen partition when the image frame to be displayed is displayed according to the overdrive control reference parameters, the backlight control information and the pixel signal statistic value; Determining an overdrive coefficient corresponding to the pixel signal amplitude from the reference overdrive coefficient based on a mapping relation between a preset pixel signal amplitude and the reference overdrive coefficient and the pixel signal amplitude; Predicting partition heat accumulated values of the display screen partitions when the image frame to be displayed is displayed based on the overdrive control reference parameters, the pixel signal amplitude and the overdrive coefficient; performing heat control correction on the overdrive coefficients of the display screen partitions according to the partition heat accumulation values and the overdrive control reference parameters to obtain target overdrive coefficients of the display screen partitions; and overdriving the display equipment through the target overdriving coefficient corresponding to each display screen partition.
2. 2. The display overdrive control method according to claim 1, wherein before obtaining overdrive control reference parameters, backlight control information and pixel signal statistics of a plurality of virtual partitions of an image frame to be displayed for a plurality of display screen partitions of a display device, the method further comprises: Obtaining an image frame to be displayed, and carrying out partition processing on the image frame to be displayed to obtain a plurality of virtual partitions corresponding to the image frame to be displayed; And calculating the average value and the maximum value of the pixel signals of each virtual partition as pixel signal statistic values according to the pixel signals corresponding to each pixel point in each virtual partition.
3. 3. The display overdriving control method according to claim 2, wherein the obtaining the image frame to be displayed, and performing partition processing on the image frame to be displayed to obtain a plurality of virtual partitions corresponding to the image frame to be displayed, includes: acquiring an image frame to be displayed; And carrying out non-uniform partition processing on the image frame to be displayed according to pixel signals corresponding to all pixel points in the image frame to be displayed, so as to obtain a plurality of virtual partitions corresponding to the image frame to be displayed.
4. 4. The display overdrive control method according to claim 1, wherein predicting the pixel signal amplitude of each display screen partition when displaying the image frame to be displayed according to the overdrive control reference parameter, the backlight control information and the pixel signal statistic includes: Determining a virtual partition set corresponding to each display screen partition according to the display screen partition position of each display screen partition indicated by the overdriving control reference parameter and the virtual partition position corresponding to each virtual partition; Calculating initial pixel signal amplitude corresponding to each display screen partition based on pixel signal statistical values of each virtual partition in each virtual partition set; And if the initial pixel signal amplitude is smaller than a preset amplitude threshold, predicting the pixel signal amplitude of each display screen partition when the image frame to be displayed is displayed according to the initial pixel signal amplitude, the overdrive control reference parameter and the backlight control information.
5. 5. The display overdrive control method according to claim 4, wherein before calculating the initial pixel signal amplitude corresponding to each of the display screen partitions based on the pixel signal statistics of each of the virtual partitions in each of the virtual partition sets, the method further comprises: acquiring a preset pixel signal mapping table, wherein the pixel signal mapping table comprises a corresponding relation between a pixel signal statistical value and a pixel signal mapping function; The calculating, based on the pixel signal statistics value of each virtual partition in each virtual partition set, an initial pixel signal amplitude corresponding to each display screen partition includes: Determining a target pixel signal mapping function corresponding to each pixel signal statistic value based on the pixel signal statistic value of each virtual partition in each virtual partition set and the pixel signal mapping table; Mapping the pixel signal statistic values through the target pixel signal mapping function to obtain pixel signal mapping values of the virtual partitions; and calculating the initial pixel signal amplitude corresponding to each display screen partition based on each pixel signal mapping value.
6. 6. The display overdrive control method of claim 5, wherein the pixel signal statistics include pixel signal averages; the mapping the statistical value of each pixel signal by the target pixel signal mapping function to obtain a mapping value of each pixel signal of the virtual partition, including: Mapping the average value of the pixel signals through the target pixel signal mapping function to obtain the average mapping value of the pixel signals of each virtual partition; The calculating the initial pixel signal amplitude corresponding to each display screen partition based on each pixel signal mapping value includes: Calculating the sum of the pixel signal average mapping values of the virtual partitions in the virtual partition sets based on the pixel signal average mapping values to obtain the pixel signal amplitude sum corresponding to the virtual partition sets; Determining the partition number of the virtual partitions in each virtual partition set, and respectively calculating the quotient of the pixel signal amplitude corresponding to each virtual partition set and the partition number to obtain the initial pixel signal amplitude of the display screen partition corresponding to each virtual partition set.
7. 7. The display overdrive control method of claim 4, wherein the overdrive control reference parameter includes a maximum overdrive drive current; The predicting the pixel signal amplitude of each display screen partition when displaying the image frame to be displayed according to the initial pixel signal amplitude, the overdrive control reference parameter and the backlight control information comprises the following steps: multiplying the initial pixel signal amplitude and backlight control information, and calculating the backlight pixel signal amplitude of the display screen partition; and dividing the backlight pixel signal amplitude and the maximum overdrive driving current to obtain pixel signal amplitudes of all the display screen partitions when the image frame to be displayed is displayed.
8. 8. The display overdrive control method according to claim 1, wherein the pixel signal statistics include pixel signal maxima; The method further includes, before determining the overdrive coefficient corresponding to the pixel signal amplitude from the reference overdrive coefficient based on the mapping relation between the preset pixel signal amplitude and the reference overdrive coefficient and the pixel signal amplitude: predicting the maximum amplitude of the pixel signal of each display screen partition when the image frame to be displayed is displayed according to the overdrive control reference parameters and the maximum value of the pixel signal; the determining the overdrive coefficient corresponding to the pixel signal amplitude from the reference overdrive coefficient based on the mapping relation between the preset pixel signal amplitude and the reference overdrive coefficient and the pixel signal amplitude includes: Establishing an overdrive coefficient search index based on the maximum amplitude of the pixel signal and the amplitude of the pixel signal; And searching an index according to the overdrive coefficient, and searching and obtaining the overdrive coefficient from a mapping relation between preset pixel signal amplitude and a reference overdrive coefficient.
9. 9. The display overdrive control method of claim 1, wherein the overdrive control reference parameters of each of the display screen partitions include an overdrive duration reference, an average signal amplitude minimum value, and a partition overdrive weight of each of the display screen partitions; Performing heat control correction on the overdrive coefficients of the display screen partitions according to the partition heat accumulation value and the overdrive control reference parameter to obtain target overdrive coefficients of the display screen partitions, including: Calculating products among the overdriving duration time reference, the average signal amplitude minimum value and the partition overdriving weight of each display screen partition aiming at each display screen partition respectively to obtain heat accumulation upper limits corresponding to each display screen partition; comparing the partition heat accumulation value of each display screen partition with the heat accumulation upper limit; Aiming at the overheat display screen partition with the partition heat accumulation value larger than the heat accumulation upper limit, reducing the overdrive coefficient of the overheat display screen partition, so that the new partition heat accumulation value obtained when the overheat display screen partition overdrive displays the image frame to be displayed based on the reduced overdrive coefficient is not larger than the heat accumulation upper limit; And taking the reduced overdrive coefficient of each overheating display screen partition as a target overdrive coefficient of each overheating display screen partition.
10. 10. The display overdrive control method of claim 9, further comprising: Based on the position information of the overheating display screen subareas, at least reducing the overdrive coefficient of the adjacent display screen subareas with the position adjacent relation with the overheating display screen subareas; And taking the reduced overdrive coefficient of each adjacent display screen partition as a target overdrive coefficient of each adjacent display screen partition.
11. 11. The display overdrive control method of claim 1, wherein the overdrive control reference parameters for each of the display screen partitions include an overheat protection time reference, an average signal amplitude minimum value, and a partition overdrive protection weight for each of the display screen partitions, the method further comprising: calculating products among the overheat protection time reference, the average signal amplitude minimum value and the partition overdriving protection weight of each display screen partition aiming at each display screen partition respectively to obtain heat protection thresholds corresponding to each display screen partition; Detecting the current real partition heat accumulation value of each display screen partition, and comparing the real partition heat accumulation value of each display screen partition with the heat protection threshold; and aiming at the display screen partition of which the real partition heat accumulation value is not smaller than the heat protection threshold value, controlling the display screen partition not to perform overdriving display.
12. 12. The display overdrive control method of claim 1, wherein the overdrive control reference parameter includes a maximum overdrive drive current; the predicting a partition heat accumulation value of each display screen partition when the image frame to be displayed is displayed based on the overdrive control reference parameter, the pixel signal amplitude and the overdrive coefficient includes: predicting partition heat increment values of the display screen partitions when the image frame to be displayed is displayed based on the maximum overdrive driving current, the pixel signal amplitude and the overdrive coefficient in the overdrive control reference parameters; acquiring historical heat accumulation values of all the display screen partitions; And calculating the partition heat accumulation value of each display screen partition when the image frame to be displayed is displayed according to the historical heat accumulation value of each display screen partition and the partition heat increment value.
13. 13. The display overdrive control method of claim 12, further comprising: Detecting the current real partition heat accumulated value of each display screen partition when the image frame to be displayed is displayed; and taking the real partition heat accumulated value as a new historical heat accumulated value of each display screen partition.
14. 14. The display overdrive control method according to claim 1, wherein the obtaining overdrive control reference parameters, backlight control information and pixel signal statistics of a plurality of virtual partitions of an image frame to be displayed for a plurality of display screen partitions of a display device includes: Acquiring overdriving control reference parameters of a plurality of display screen partitions of the display device and an image frame to be displayed; according to the display screen partition, partitioning the image frame to be displayed to obtain an image block matched with the display screen partition; Obtaining backlight control information based on pixel signal processing of each image block; And acquiring pixel signal statistical values of a plurality of virtual partitions of the image frame to be displayed.
15. 15. The display overdrive control method according to any one of claims 1-14, wherein before obtaining overdrive control reference parameters, backlight control information and pixel signal statistics of a plurality of virtual partitions of an image frame to be displayed for a plurality of display screen partitions of a display device, the method further comprises: acquiring an image frame to be displayed and a displayed image frame of the display device; Performing similarity matching on the image frames to be displayed and the displayed image frames to obtain image similarity between the image frames to be displayed and each displayed image frame; If the image similarity is larger than a preset similarity threshold, acquiring a target overdrive coefficient of each display screen partition when displaying the displayed image frame corresponding to the maximum image similarity; taking the target overdrive coefficient of the displayed image frame corresponding to the maximum image similarity as the target overdrive coefficient of the image frame to be displayed; and executing the step of overdriving control of the display equipment through the target overdriving coefficient corresponding to each display screen partition.
16. 16. A display overdrive control device, comprising: The parameter acquisition unit is used for acquiring overdriving control reference parameters, backlight control information and pixel signal statistical values of a plurality of virtual partitions of an image frame to be displayed of a plurality of display screen partitions of the display device; The amplitude prediction unit is used for predicting the pixel signal amplitude of each display screen partition when the image frame to be displayed is displayed according to the overdrive control reference parameter, the backlight control information and the pixel signal statistical value; The system comprises a coefficient determining unit, a pixel signal amplitude determining unit and a pixel signal amplitude determining unit, wherein the coefficient determining unit is used for determining an overdrive coefficient corresponding to the pixel signal amplitude from the reference overdrive coefficient based on a mapping relation between a preset pixel signal amplitude and the reference overdrive coefficient and the pixel signal amplitude; The heat accumulation value prediction unit is used for predicting partition heat accumulation values of the display screen partitions when the image frame to be displayed is displayed based on the overdrive control reference parameter, the pixel signal amplitude and the overdrive coefficient; The coefficient correction unit is used for carrying out heat control correction on the overdrive coefficients of the display screen partitions according to the partition heat accumulation value and the overdrive control reference parameter to obtain target overdrive coefficients of the display screen partitions; And the overdrive control unit is used for performing overdrive control on the display equipment through the target overdrive coefficient corresponding to each display screen partition.
17. 17. An electronic device comprising a memory storing an application and a processor for running the application in the memory to perform the steps in the display overdrive control method according to any of claims 1 to 15.
18. 18. A computer readable storage medium storing a plurality of instructions adapted to be loaded by a processor to perform the steps in the display overdrive control method according to any of the claims 1 to 15.
19. 19. A computer program product comprising a computer program or instructions which, when executed by a processor, carries out the steps of the display overdrive control method according to any of claims 1 to 15.

Description

Display overdriving control method and device, electronic equipment and storage medium Technical Field The invention relates to the technical field of display, in particular to a display overdrive control method and device, electronic equipment and a storage medium. Background The overdriving technology is a driving technology capable of improving the display effect of the display device on the premise of not increasing the hardware cost in the technical field of display. It will be appreciated that heat is generated during operation of the display device, and the use of overdrive techniques allows the heat in the display device to be accumulated more quickly. At present, the main method adopted when the overdriving technology is applied is that before the display equipment is marketed, an extreme detection image is used for testing a group of overdriving parameters which can be loaded by the display equipment in advance, and when a user uses the display equipment, the overdriving parameters are adopted for overdriving control. However, by adopting the scheme, a group of extreme quantization parameters are used for controlling the whole display equipment, the overdriving control precision is low, and the overdriving effect of the display equipment is affected. Disclosure of Invention The embodiment of the invention provides a display overdriving control method, a device, electronic equipment and a storage medium, which can improve the overdriving duration time and improve the overdriving effect of display equipment on the basis of not changing the hardware structure of the display equipment. The embodiment of the invention provides a display overdriving control method, which comprises the following steps: acquiring overdriving control reference parameters, backlight control information and pixel signal statistics of a plurality of virtual partitions of an image frame to be displayed of a plurality of display screen partitions of display equipment; predicting the pixel signal amplitude of each display screen partition when the image frame to be displayed is displayed according to the overdrive control reference parameters, the backlight control information and the pixel signal statistic value; Determining an overdrive coefficient corresponding to the pixel signal amplitude from the reference overdrive coefficient based on a mapping relation between a preset pixel signal amplitude and the reference overdrive coefficient and the pixel signal amplitude; Predicting partition heat accumulated values of the display screen partitions when the image frame to be displayed is displayed based on the overdrive control reference parameters, the pixel signal amplitude and the overdrive coefficient; performing heat control correction on the overdrive coefficients of the display screen partitions according to the partition heat accumulation values and the overdrive control reference parameters to obtain target overdrive coefficients of the display screen partitions; and overdriving the display equipment through the target overdriving coefficient corresponding to each display screen partition. Correspondingly, an embodiment of the present invention provides a display overdrive control device, including: The parameter acquisition unit is used for acquiring overdriving control reference parameters, backlight control information and pixel signal statistical values of a plurality of virtual partitions of an image frame to be displayed of a plurality of display screen partitions of the display device; The amplitude prediction unit is used for predicting the pixel signal amplitude of each display screen partition when the image frame to be displayed is displayed according to the overdrive control reference parameter, the backlight control information and the pixel signal statistical value; The system comprises a coefficient determining unit, a pixel signal amplitude determining unit and a pixel signal amplitude determining unit, wherein the coefficient determining unit is used for determining an overdrive coefficient corresponding to the pixel signal amplitude from the reference overdrive coefficient based on a mapping relation between a preset pixel signal amplitude and the reference overdrive coefficient and the pixel signal amplitude; The heat accumulation value prediction unit is used for predicting partition heat accumulation values of the display screen partitions when the image frame to be displayed is displayed based on the overdrive control reference parameter, the pixel signal amplitude and the overdrive coefficient; The coefficient correction unit is used for carrying out heat control correction on the overdrive coefficients of the display screen partitions according to the partition heat accumulation value and the overdrive control reference parameter to obtain target overdrive coefficients of the display screen partitions; And the overdrive control unit is used for performing overdrive control on the display equipment