CN115691394A - Display compensation method, device, equipment, display device and storage medium - Google Patents
Display compensation method, device, equipment, display device and storage medium Download PDFInfo
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Abstract
The invention provides a display compensation method, a display compensation device, display compensation equipment, a display device and a storage medium. The display compensation method comprises the following steps: the method comprises the steps of obtaining display data of a plurality of pixel points in a to-be-compensated area of a display panel, wherein the display panel is divided into a plurality of to-be-compensated areas; judging whether the display data of the plurality of pixel points are different; if the display data of at least two of the plurality of pixel points are the same, calculating to obtain compensation data according to the display data of any one of the plurality of pixel points, and taking the compensation data as the compensation data of the plurality of pixel points. Thus, the calculation amount of compensation data can be effectively reduced, and the power consumption can be effectively reduced while the compensation effect is ensured.
Description
Technical Field
The invention relates to the technical field of luminous display, in particular to a display compensation method, a display compensation device, display compensation equipment, a display device and a storage medium.
Background
In the process of manufacturing a display device, a phenomenon of uneven display of the display device, which may also be referred to as a Mura phenomenon, is easily caused due to factors such as process level and purity of raw materials. In order to improve the Mura phenomenon, the display device may be display-compensated using the Demura technique.
However, in the existing Demura compensation process, the compensation mode is usually single, and corresponding compensation data needs to be calculated according to each pixel point, which also causes higher power consumption during compensation. Therefore, how to reduce power consumption while ensuring compensation effect is an urgent problem to be solved.
Disclosure of Invention
In view of the above, the present invention is directed to a display compensation method, device, apparatus, display device and storage medium, which can effectively reduce power consumption while ensuring compensation effect.
A first aspect of the present application provides a display compensation method, including:
the method comprises the steps of obtaining display data of a plurality of pixel points in any area to be compensated of a display panel, wherein the display panel is divided into a plurality of areas to be compensated;
judging whether the display data of the plurality of pixel points are different;
and if the display data of at least two of the plurality of pixel points are the same, calculating to obtain compensation data according to the display data of any one of the plurality of pixel points, and taking the compensation data as the compensation data of the plurality of pixel points.
Optionally, before the compensation data is calculated according to the display data of any one of the plurality of pixel points, the method further includes:
judging whether the number of pixel points with the same display data is larger than a preset number or not; wherein the preset number is greater than or equal to 2;
and if the number of the pixel points with the same display data is larger than the preset number, executing the step of calculating to obtain compensation data according to the display data of any one pixel point in the plurality of pixel points.
Optionally, the calculating to obtain compensation data according to the display data of any one of the plurality of pixel points includes:
and calculating to obtain compensation data according to the display data of one pixel point in the at least two pixel points.
Optionally, the method further includes:
and if the display data of the plurality of pixel points are different, respectively calculating to obtain compensation data of the plurality of pixel points according to the display data of the plurality of pixel points.
Optionally, the determining whether the display data of the plurality of pixel points are different includes:
judging whether the difference value of the display data of any two pixel points in the plurality of pixel points is larger than a preset value or not;
and if the difference value of the display data of any two pixel points is greater than the preset value, the display data of the plurality of pixel points are different.
Optionally, the method further includes:
and writing the compensation data of the plurality of pixel points in the region to be compensated into a driving chip of the display panel, so that the driving chip compensates the display data of the plurality of pixel points in the region to be compensated according to the compensation data of the plurality of pixel points.
A second aspect of the present application provides a display compensation apparatus comprising:
the device comprises an acquisition module, a compensation module and a control module, wherein the acquisition module is used for acquiring display data of a plurality of pixel points in any region to be compensated of a display panel, and the display panel is divided into a plurality of regions to be compensated;
the judging module is used for judging whether the display data of the plurality of pixel points are different;
and the calculation module is used for calculating to obtain compensation data according to the display data of any one of the pixel points if the display data of at least two of the pixel points are the same, and taking the compensation data as the compensation data of the pixel points.
A third aspect of the present application provides a display compensation apparatus comprising: the system comprises a processor and a memory connected with the processor;
the memory is used for storing a computer program;
the processor is configured to invoke and execute the computer program in the memory to perform the display compensation method according to the first aspect of the present application.
A fourth aspect of the present application provides a display apparatus comprising a display panel and a display compensation device as described in the third aspect of the present application.
A fifth aspect of the present application provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the display compensation method according to the first aspect of the present application.
The application provides a display compensation method, a display compensation device, display compensation equipment, a display device and a storage medium. And then whether the display data of the plurality of pixel points are different or not is judged. If the display data of at least two of the plurality of pixel points are the same, the compensation data can be obtained by calculation according to the display data of any one of the plurality of pixel points, and the compensation data is used as the compensation data of the plurality of pixel points. Thus, the calculation amount of the compensation data can be effectively reduced, and the power consumption can be effectively reduced while the compensation effect is ensured.
Drawings
The above and other objects, features and advantages of the present application will become more apparent by describing in more detail embodiments of the present application with reference to the attached drawings. The accompanying drawings are included to provide a further understanding of the embodiments of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. In the drawings, like reference numbers generally indicate like parts or steps.
Fig. 1 is a flowchart illustrating a display compensation method according to an embodiment of the present disclosure.
Fig. 2 is a schematic diagram of a region to be compensated according to an embodiment of the present application.
Fig. 3 is a schematic structural diagram of a display compensation apparatus according to an embodiment of the present disclosure.
Fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The demura compensation method is a method for compensating for brightness deviation (mura) generated due to a panel mechanism/process, etc., so that a picture becomes more uniform. In practice, compensation data is usually calculated by using the acquired luminance information of each pixel of the display panel, and the compensation data is superimposed on the original display data (or multiplied) to remove the luminance deviation. However, this compensation approach is often accompanied by greater power consumption.
In view of the above, an embodiment of the present application provides a display compensation method, as shown in fig. 1, the method at least includes the following implementation steps:
s101, display data of a plurality of pixel points in any area to be compensated of a display panel are obtained, and the display panel is divided into a plurality of areas to be compensated.
When the compensation area is divided, the display panel may be divided into a plurality of compensation areas according to a preset size. Specifically, the preset size may be set according to actual requirements, and is not limited herein. For example, the preset size may be 2 × 2, and the display panel may be divided into a plurality of regions to be compensated with a size of 2 × 2 pixels.
Note that when the predetermined size is n × n, n is a positive integer greater than or equal to 2. That is, the to-be-compensated region includes a plurality of pixels, and the compensation data of the plurality of pixels in the to-be-compensated region refers to the compensation data of all the pixels in the to-be-compensated region.
The pixel point may be one pixel or one or more sub-pixels. In some embodiments, the output color of the pixel point may be any one of three primary colors, or may be a combination of the three primary colors.
In application, display data of the display panel is usually pre-stored in a display cache, and when the calculation of display compensation is performed, the display data of each pixel point in a region to be compensated can be acquired from the display cache in a pre-reading mode, so that data support is provided for subsequent compensation calculation.
S102, judging whether the display data of the pixel points are different.
After the display data of the multiple pixel points in the region to be compensated is obtained, the display data of the multiple pixel points can be compared, and whether the display data of the multiple pixel points are different or not is judged.
If the display data of the plurality of pixel points are different, corresponding compensation data can be calculated respectively aiming at the display data of the plurality of pixel points; otherwise, step S103 may be performed.
S103, calculating to obtain compensation data according to the display data of any one of the plurality of pixel points, and taking the compensation data as the compensation data of the plurality of pixel points.
If the display data of the plurality of pixel points are not different, it is indicated that the display data of at least two pixel points in the plurality of pixel points are the same. The display data of one pixel point can be randomly selected from the plurality of pixel points to be used as the display data of the plurality of pixel points, the compensation data is obtained by utilizing the display data to calculate, and the compensation data is used as the compensation data of the plurality of pixel points. Therefore, the compensation calculation amount is reduced, the power consumption is reduced, the compensation of the display data is ensured, and the compensation effect is achieved.
In addition, when the compensation data is calculated according to the display data of any one of the plurality of pixel points and is used as the compensation data of the plurality of pixel points, the average data of the display data of the plurality of pixel points can be calculated, the compensation data is calculated by using the average data, the calculated compensation data is used as the compensation data of the plurality of pixel points, and the relatively average compensation effect is achieved while the power consumption is reduced.
In this embodiment, display data of a plurality of pixel points in one to-be-compensated region of the display panel is first obtained, and the display panel is divided into a plurality of to-be-compensated regions. And then whether the display data of the plurality of pixel points are different or not is judged. If the display data of at least two of the plurality of pixel points are the same, the compensation data can be obtained by calculation according to the display data of any one of the plurality of pixel points, and the compensation data is used as the compensation data of the plurality of pixel points. Therefore, the calculation amount of the DemuraIP can be effectively reduced, and the power consumption is effectively reduced while the compensation effect is ensured.
In some embodiments, before the compensation data is calculated according to the display data of any one of the plurality of pixel points, the display compensation method may further include: judging whether the number of pixel points with the same display data is larger than a preset number or not; wherein the preset number is more than or equal to 2; and if the number of the pixel points with the same display data is larger than the preset number, executing the step of calculating to obtain compensation data according to the display data of any one of the pixel points.
Taking the preset size of 2 × 2 as an example, the preset number may be 2, the plurality of pixels are 4 pixels, and correspondingly, the 4 pixels correspond to 4 display data, and it may be determined whether the 4 display data are completely the same or whether 3 display data are completely the same. If the 4 display data are completely the same or the 3 display data are completely the same, which indicates that the number of the pixel points with the same display data is greater than the preset number, the step of calculating to obtain the compensation data according to the display data of one pixel point can be executed.
Therefore, when the display data similarity of each pixel point in the region to be compensated is high, demura compensation is carried out on the display data by adopting the same compensation data, power consumption can be reduced, and the compensation effect can be improved.
Because the display data of at least two of the plurality of pixel points are the same, the display data of the pixel points different from the display data of the at least two pixel points may exist, and in order to ensure that the compensation data obtained by calculating the selected display data can have a better compensation effect, in some embodiments, when the compensation data is obtained by calculating the display data of any one of the plurality of pixel points, the compensation data can be obtained by calculating the display data of one of the at least two pixel points.
For example, as shown in fig. 2, display data of a plurality of pixels in the region D to be compensated, that is, display data of the pixel 1, the pixel 2, the pixel 3, and the pixel 4, are obtained from the display panel S, where the display data of the pixel 1, the pixel 3, and the pixel 4 are the same, and when the preset number is 2, it can be determined that the number of pixels having the same display data is greater than the preset number, and then when calculating the compensation data, the compensation data can be calculated by selecting the display data of any pixel from the pixel 1, the pixel 3, and the pixel 4, and the obtained compensation data is respectively used as the compensation data of the pixel 1, the pixel 2, the pixel 3, and the pixel 4. Therefore, the obtained compensation data can make up for the deficiency of display data of more pixel points, and a better compensation effect is achieved.
In some embodiments, when determining whether the display data of the plurality of pixel points are different from each other, it may be determined whether a difference between the display data of any two of the plurality of pixel points is greater than a preset value; and if the difference value of the display data of any two pixel points is greater than the preset value, the display data of the plurality of pixel points are different.
In order to avoid the influence of the smaller difference value of the display data among different pixel points in the same region to be compensated on the calculation of the compensation data, a preset value can be preset, and whether the display data among the different pixel points are the same or not can be judged through the preset value. If the difference value of the display data of any two pixel points in the same region to be compensated is smaller than or equal to the preset value, the display data of the two selected pixel points are similar enough, and the display data of the two pixel points can be determined to be the same display data. On the contrary, if the difference value of the display data of the two pixel points is greater than the preset value, it indicates that the difference value of the display data of the two pixel points is large enough, and the display data of the two pixel points can be determined as different display data. Therefore, the influence of smaller error factors can be eliminated, the condition that the display data of a plurality of pixel points are different due to too small display data difference is avoided, and the power consumption is further reduced.
During application, the preset value can be set according to actual requirements, and the method is not limited here.
It should be understood that the compensation effect can be flexibly set by self-setting the preset value and the preset quantity, so that the compensation effect and the power consumption are balanced.
In some embodiments, the display compensation method may further include: and writing the compensation data of the plurality of pixel points in the region to be compensated into a driving chip of the display panel, so that the driving chip compensates the display data of the plurality of pixel points in the region to be compensated according to the compensation data of the plurality of pixel points.
During implementation, after the compensation data of the plurality of pixel points are obtained through calculation, the compensation data can be written into a driving chip of the display panel, and the driving chip can perform superposition compensation on the compensation data of the plurality of pixel points and the corresponding display data respectively to remove brightness deviation.
As an alternative implementation manner, an embodiment of the present application further provides a display compensation apparatus, as shown in fig. 3, the display compensation apparatus may include: an obtaining module 301, configured to obtain display data of a plurality of pixels in any one to-be-compensated region of a display panel, where the display panel is divided into a plurality of to-be-compensated regions; a determining module 302, configured to determine whether display data of a plurality of pixel points are different; the calculating module 303 is configured to calculate compensation data according to the display data of any one of the plurality of pixels if the display data of at least two of the plurality of pixels are the same, and use the compensation data as the compensation data of the plurality of pixels.
Optionally, the display compensation apparatus may further include a determining module, and the determining module may be configured to: judging whether the number of pixel points with the same display data is larger than a preset number or not; wherein the preset number is more than or equal to 2; and if the number of the pixel points with the same display data is larger than the preset number, executing a step of calculating to obtain compensation data according to the display data of any one pixel point in the plurality of pixel points.
Optionally, when the compensation data is obtained through calculation according to the display data of any one of the plurality of pixel points, the calculating module 303 may be configured to: and calculating to obtain compensation data according to the display data of one of the at least two pixel points.
Optionally, the calculating module 303 may be further configured to: and if the display data of the plurality of pixel points are different, respectively calculating to obtain compensation data of the plurality of pixel points according to the display data of the plurality of pixel points.
Optionally, the determining module 302 may be specifically configured to: judging whether the difference value of the display data of any two pixel points in the plurality of pixel points is larger than a preset value or not; and if the difference value of the display data of any two pixel points is greater than the preset value, the display data of the plurality of pixel points are different.
Optionally, the display compensation apparatus may further include a writing module, and the writing module may be configured to: and writing the compensation data of the plurality of pixel points in the region to be compensated into a driving chip of the display panel, so that the driving chip compensates the display data of the plurality of pixel points in the region to be compensated according to the compensation data of the plurality of pixel points.
It should be understood that, for a specific implementation of the display compensation apparatus provided in the embodiment of the present application, reference may be made to the specific implementation of the display compensation method described in any of the above embodiments, and details are not described here.
As an alternative implementation manner, an embodiment of the present application further provides a display compensation apparatus, as shown in fig. 4, the display compensation apparatus may include: a memory 401 and a processor 402; the memory 401 is connected to the processor 402, and is configured to store a program; the processor 402 is configured to execute the program stored in the memory 401 to implement the display compensation method disclosed in the above-mentioned embodiment.
Specifically, the display compensation apparatus may further include: a bus, a communication interface 403, an input device 404, and an output device 405.
The processor 402, the memory 401, the communication interface 403, the input device 404, and the output device 405 are connected to each other by a bus. Wherein:
a bus may include a path that transfers information between components of a computer system.
The processor 402 may be a general-purpose processor, such as a general-purpose Central Processing Unit (CPU), microprocessor, etc., an application-specific integrated circuit (ASIC), or one or more integrated circuits for controlling the execution of programs in accordance with the inventive arrangements. But may also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components.
The processor 402 may include a main processor and may also include a baseband chip, modem, and the like.
The memory 401 stores programs for executing the technical solution of the present invention, and may also store an operating system and other key services. In particular, the program may include program code including computer operating instructions. More specifically, memory 401 may include read-only memory (ROM), other types of static storage devices that may store static information and instructions, random Access Memory (RAM), other types of dynamic storage devices that may store information and instructions, disk storage, flash, and so forth.
Input device 404 may include a means for receiving data and information input by a user, such as a keyboard, mouse, camera, scanner, light pen, voice input device, touch screen, pedometer, or gravity sensor, among others.
Output device 405 may include means, such as a display screen, speakers, etc., that allow information to be output to a user.
The communication interface 403 may include any means for using a transceiver or the like to communicate with other devices or communication networks, such as ethernet, radio Access Network (RAN), wireless Local Area Network (WLAN), etc.
The processor 402 executes the program stored in the memory 401, and can be used to implement the steps of the display compensation method provided by the embodiment of the present application.
As an alternative implementation manner, embodiments of the present application further provide a display apparatus, which may include a display panel and the display compensation device as described in any of the above embodiments.
The display panel is provided with a driving chip.
As an alternative implementation manner, another embodiment of the present application further provides a storage medium, where a computer program is stored on the storage medium, and when the computer program is executed by a processor, the computer program implements the steps of the display compensation method provided in any of the above embodiments.
While, for purposes of simplicity of explanation, the foregoing method embodiments are presented as a series of acts or combinations, it will be appreciated by those of ordinary skill in the art that the present application is not limited by the illustrated ordering of acts, as some steps may occur in other orders or concurrently depending on the application. Further, those skilled in the art will recognize that the embodiments described in this specification are preferred embodiments and that acts or modules referred to are not necessarily required for this application.
It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other. For the device-like embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The steps in the method of the embodiments of the present application may be sequentially adjusted, combined, and deleted according to actual needs.
The modules and sub-modules in the device and the terminal in the embodiments of the present application can be combined, divided, and deleted according to actual needs.
In the several embodiments provided in the present application, it should be understood that the disclosed terminal, apparatus and method may be implemented in other manners. For example, the above-described terminal embodiments are merely illustrative, and for example, the division of a module or a sub-module is only one logical division, and there may be other divisions when the terminal is actually implemented, for example, a plurality of sub-modules or modules may be combined or integrated into another module, or some features may be omitted or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or modules, and may be in an electrical, mechanical or other form.
The modules or sub-modules described as separate parts may or may not be physically separate, and parts that are modules or sub-modules may or may not be physical modules or sub-modules, may be located in one place, or may be distributed over a plurality of network modules or sub-modules. Some or all of the modules or sub-modules can be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
In addition, each functional module or sub-module in the embodiments of the present application may be integrated into one processing module, or each module or sub-module may exist alone physically, or two or more modules or sub-modules may be integrated into one module. The integrated modules or sub-modules can be implemented in the form of hardware, and can also be implemented in the form of software functional modules or sub-modules.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software unit executed by a processor, or in a combination of the two. The software cells may reside in Random Access Memory (RAM), memory, read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
Finally, it should also be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A display compensation method, comprising:
the method comprises the steps that display data of a plurality of pixel points in any area to be compensated of a display panel are obtained, and the display panel is divided into a plurality of areas to be compensated;
judging whether the display data of the plurality of pixel points are different;
and if the display data of at least two of the plurality of pixel points are the same, calculating to obtain compensation data according to the display data of any one of the plurality of pixel points, and taking the compensation data as the compensation data of the plurality of pixel points.
2. The method of claim 1, wherein before calculating compensation data based on display data for any of the plurality of pixels, the method further comprises:
judging whether the number of pixel points with the same display data is larger than a preset number or not; wherein the preset number is greater than or equal to 2;
and if the number of the pixel points with the same display data is larger than the preset number, executing the step of calculating to obtain compensation data according to the display data of any one pixel point in the plurality of pixel points.
3. The method according to claim 1 or 2, wherein said calculating compensation data from display data of any one of said plurality of pixels comprises:
and calculating to obtain compensation data according to the display data of one pixel point in the at least two pixel points.
4. The method of claim 1, further comprising:
and if the display data of the plurality of pixel points are different, respectively calculating to obtain compensation data of the plurality of pixel points according to the display data of the plurality of pixel points.
5. The method according to claim 1, wherein the determining whether the display data of the plurality of pixels are different comprises:
judging whether the difference value of the display data of any two pixel points in the plurality of pixel points is larger than a preset value or not;
and if the difference value of the display data of any two pixel points is greater than the preset value, the display data of the pixel points are different.
6. The method of claim 1, further comprising:
and writing the compensation data of the plurality of pixel points in the to-be-compensated area into a driving chip of the display panel, so that the driving chip compensates the display data of the plurality of pixel points in the to-be-compensated area according to the compensation data of the plurality of pixel points.
7. A display compensation apparatus, comprising:
the device comprises an acquisition module, a compensation module and a control module, wherein the acquisition module is used for acquiring display data of a plurality of pixel points in any region to be compensated of a display panel, and the display panel is divided into a plurality of regions to be compensated;
the judging module is used for judging whether the display data of the plurality of pixel points are different;
and the calculation module is used for calculating to obtain compensation data according to the display data of any one of the pixel points if the display data of at least two of the pixel points are the same, and taking the compensation data as the compensation data of the pixel points.
8. A display compensation apparatus, comprising: the system comprises a processor and a memory connected with the processor;
the memory is used for storing a computer program;
the processor is configured to invoke and execute the computer program in the memory to perform the display compensation method of any of claims 1-6.
9. A display apparatus comprising a display panel and the display compensation device according to claim 8.
10. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the display compensation method of any one of claims 1 to 6.
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| CN202211435669.4A CN115691394A (en) | 2022-11-16 | 2022-11-16 | Display compensation method, device, equipment, display device and storage medium |
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| CN202211435669.4A CN115691394A (en) | 2022-11-16 | 2022-11-16 | Display compensation method, device, equipment, display device and storage medium |
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