CN117524042A - Display panel compensation method and device, display equipment and storage medium - Google Patents

Display panel compensation method and device, display equipment and storage medium Download PDF

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Publication number
CN117524042A
CN117524042A CN202310437540.5A CN202310437540A CN117524042A CN 117524042 A CN117524042 A CN 117524042A CN 202310437540 A CN202310437540 A CN 202310437540A CN 117524042 A CN117524042 A CN 117524042A
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China
Prior art keywords
brightness
display panel
compensation
matrix
pixel points
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CN202310437540.5A
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Chinese (zh)
Inventor
游顺强
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TCL Huaxing Photoelectric Technology Co Ltd
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TCL Huaxing Photoelectric Technology Co Ltd
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Priority to CN202310437540.5A priority Critical patent/CN117524042A/en
Publication of CN117524042A publication Critical patent/CN117524042A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0233—Improving the luminance or brightness uniformity across the screen

Abstract

The application provides a display panel compensation method, a display device, a storage medium, and a display device, wherein the actual brightness value of a plurality of pixel points in a display panel under a set gray scale value is obtained so as to compensate the actual brightness value under the set gray scale brightness value; and the multiple pixel points do not need to consider mura of the panel under the set gray scale value, and only mura caused by backlight dirt exists. By compensating mura caused by backlight dirt in advance, the influence of the backlight dirt on subsequent mura compensation is avoided.

Description

Display panel compensation method and device, display equipment and storage medium
Technical Field
The application mainly relates to the technical field of express mail identification, in particular to a display panel compensation method, a display device, display equipment and a storage medium.
Background
In the production process of display panels, in order to ensure that the brightness uniformity of the display panels meets specifications, demura is generally required. In the Demura, if the line backlight is dirty, the Demura effect may be affected.
Disclosure of Invention
The application provides a display panel compensation method, a display device, display equipment and a storage medium, and aims to solve the problem that in the prior art, dirt in backlight affects a display panel demura.
In a first aspect, the present application provides a display panel compensation method, where the display panel includes a plurality of pixel points, the method includes:
adjusting a plurality of pixel points to set gray scale values, and measuring a plurality of first brightness values corresponding to the pixel points under the set gray scale values to obtain a brightness matrix comprising the first brightness values;
calculating a brightness average value corresponding to the brightness of a preset area in the display panel;
calculating the compensation coefficient corresponding to each pixel point according to the brightness average value and the brightness matrix to obtain a compensation coefficient matrix;
according to the brightness matrix and the compensation coefficient matrix, calculating to obtain a compensation brightness matrix of the display panel;
and driving the display panel according to the compensation brightness matrix to compensate the display panel.
In some possible embodiments, the adjusting the plurality of pixels to the set gray-scale value includes:
and adjusting the pixel points to 255 gray scale values.
In some possible embodiments, the calculating a luminance average value corresponding to the luminance of the preset area in the display panel includes:
acquiring first brightness corresponding to each of a plurality of pixel points of a preset area in the display panel;
and calculating the average value of the first brightness to obtain the average value of the brightness.
In some possible embodiments, the obtaining the first luminance corresponding to each of the plurality of pixels in the preset area of the display panel includes:
determining the resolution of the display panel to determine the size of the preset area according to the resolution of the display panel;
determining the central position of the display panel, so as to determine the position of the preset area in the display panel according to the central position of the display panel;
and acquiring the first brightness corresponding to each of the plurality of pixel points in the preset area.
In some possible embodiments, the calculating a compensation coefficient corresponding to each pixel according to the luminance average value and the luminance matrix to obtain a compensation coefficient matrix includes:
taking any pixel point in the plurality of pixel points as a target pixel point, and determining target brightness corresponding to the target pixel point in the brightness matrix;
calculating the quotient between the brightness average value and the target brightness to obtain a compensation coefficient corresponding to the target pixel point;
and after the compensation coefficients are calculated by the plurality of pixel points, obtaining a compensation coefficient matrix comprising the plurality of compensation coefficients.
In some possible embodiments, the calculating, according to the brightness matrix and the compensation coefficient matrix, a compensation brightness matrix of the display panel includes:
determining a target compensation coefficient corresponding to the target pixel point in the compensation coefficient matrix;
calculating the product of the target compensation coefficient and the target brightness to obtain the compensation brightness corresponding to the target pixel point;
after the compensation brightness is calculated by the pixel points, a compensation brightness matrix comprising a plurality of compensation brightness is obtained.
In a second aspect, the present application provides a display panel compensation apparatus,
the display panel includes a plurality of pixel points, and the display panel compensation device includes:
the brightness acquisition module is used for adjusting a plurality of pixel points to set gray scale values and measuring a plurality of first brightness values corresponding to the pixel points under the set gray scale values to obtain a brightness matrix comprising the first brightness values;
the brightness average value determining module is used for calculating a brightness average value corresponding to brightness of a preset area in the display panel;
the compensation coefficient determining module is used for calculating the compensation coefficient corresponding to each pixel point according to the brightness average value and the brightness matrix to obtain a compensation coefficient matrix;
the compensation brightness determining module is used for calculating to obtain a compensation brightness matrix of the display panel according to the brightness matrix and the compensation coefficient matrix;
and the compensation module is used for driving the display panel according to the compensation brightness matrix so as to compensate the display panel.
In some possible embodiments, the brightness obtaining module is configured to adjust the plurality of pixel points to a 255 gray scale value.
In a third aspect, the present application provides a display device, including: a display panel;
one or more processors;
a memory; and
one or more applications, wherein the one or more applications are stored in the memory and configured to be executed by the processor to implement the display panel compensation method of any of the first aspects.
In a fourth aspect, the present application provides a computer readable storage medium storing a plurality of instructions adapted to be loaded by a processor to perform the steps in the display panel compensation method of any one of the first aspects.
The application provides a display panel compensation method, a display panel compensation device, display equipment and a storage medium, wherein the display panel compensation method comprises the following steps: adjusting the pixel points to set gray scale values, and measuring a plurality of first brightness values corresponding to the pixel points under the set gray scale values to obtain a brightness matrix comprising the first brightness values; calculating a brightness average value corresponding to the brightness of a preset area in the display panel; calculating the compensation coefficient corresponding to each pixel point according to the brightness average value and the brightness matrix to obtain a compensation coefficient matrix; according to the brightness matrix and the compensation coefficient matrix, calculating to obtain a compensation brightness matrix of the display panel; the display panel is driven according to the compensation brightness matrix to compensate the display panel. The method comprises the steps of obtaining actual brightness values of a plurality of pixel points in a display panel under a set gray scale value, so as to compensate the actual brightness values under the set gray scale brightness value; and the multiple pixel points do not need to consider mura of the panel under the set gray scale value, and only mura caused by backlight dirt exists. By compensating mura caused by backlight dirt in advance, the influence of the backlight dirt on subsequent mura compensation is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of a display panel compensation system according to an embodiment of the present disclosure;
FIG. 2 is a flow chart of an embodiment of a display panel compensation method provided in an embodiment of the present application;
FIG. 3 is a flowchart illustrating an embodiment of determining a luminance average according to an embodiment of the present disclosure;
FIG. 4 is a flowchart illustrating an embodiment of determining a compensation coefficient matrix according to an embodiment of the present application;
FIG. 5 is a schematic diagram of an embodiment of a display panel compensation apparatus according to an embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of an embodiment of a display device provided in an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more features. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In this application, the term "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the application. In the following description, details are set forth for purposes of explanation. It will be apparent to one of ordinary skill in the art that the present application may be practiced without these specific details. In other instances, well-known structures and processes have not been shown in detail to avoid obscuring the description of the present application with unnecessary detail. Thus, the present application is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.
The embodiment of the application provides a display panel compensation method, a display panel compensation device, a display device and a storage medium, and the display panel compensation method, the display device, the storage medium and the storage medium are respectively described in detail below.
Referring to fig. 1, fig. 1 is a schematic view of a display panel compensation system according to an embodiment of the present application, where the display panel compensation system may include a display device 100, and a display panel compensation apparatus is integrated in the display device 100.
In this embodiment of the present application, the display device 100 may be an independent server, or may be a server network or a server cluster formed by servers, for example, the display device 100 described in the embodiment of the present application includes, but is not limited to, a computer, a network host, a single network server, a plurality of network server sets, or a cloud server formed by a plurality of servers. Wherein the Cloud server is composed of a large number of computers or web servers based on Cloud Computing (Cloud Computing).
In the embodiment of the present application, the display device 100 may be a general display device or a special display device. In a specific implementation, the display device 100 may be a desktop computer, a portable computer, a network server, a palm computer (Personal Digital Assistant, PDA), a mobile phone, a tablet computer, a wireless terminal device, a communication device, an embedded device, etc., and the embodiment is not limited to the type of the display device 100.
It will be appreciated by those skilled in the art that the application environment shown in fig. 1 is only one application scenario of the present application and is not limited to the application scenario of the present application, and other application environments may further include more or fewer display devices than those shown in fig. 1, for example, only 1 display device is shown in fig. 1, and it will be appreciated that the display panel compensation system may further include one or more other display devices capable of processing data, which is not limited herein.
In addition, as shown in fig. 1, the display panel compensation system may further include a storage module 200 for storing data, such as luminance data.
It should be noted that, the schematic view of the display panel compensation system shown in fig. 1 is only an example, and the display panel compensation system and the scene described in the embodiments of the present application are for more clearly describing the technical solutions of the embodiments of the present application, and do not constitute a limitation on the technical solutions provided in the embodiments of the present application, and those skilled in the art can know that, with the evolution of the display panel compensation system and the appearance of a new service scene, the technical solutions provided in the embodiments of the present application are equally applicable to similar technical problems.
As shown in fig. 2, fig. 2 is a flowchart of an embodiment of a display panel compensation method according to an embodiment of the present application, where the display panel compensation method includes the following steps:
21. and adjusting the plurality of pixel points to set gray scale values, and measuring a plurality of first brightness values corresponding to the plurality of pixel points under the set gray scale values to obtain a brightness matrix comprising the plurality of first brightness values.
In the process of preparing the display panel, if the product delivered from the production line comprises the array substrate and the module backlight, the mura1 generated by the array substrate and the mura2 generated by the module backlight need to be comprehensively considered at the same time when compensation is performed. If the product is delivered, the product only comprises an array substrate, and mura1 generated by the array substrate and mura2 generated by the module backlight are comprehensively considered during compensation; however, the module backlight and the array substrate cannot be shipped together at the same time, which can cause an overcompensation phenomenon of the array substrate.
Therefore, the application provides a new display panel compensation method, which compensates mura caused by backlight dirt in advance so as to avoid the influence of the backlight dirt on the mura compensation generated by the array substrate when the display panel is compensated later.
Since the mura caused by the dirt of the backlight is compensated, the compensation of the mura generated by the array substrate is not required to be considered, or the array substrate is considered to not generate the mura. In the application, a plurality of pixel points in the display panel are adjusted to set gray scale values, and mura phenomenon can not be generated under the set gray scale values. At this time or when the mura phenomenon is detected, mura caused by the backlight contamination can be determined.
Therefore, in the embodiment of the application, the plurality of pixel points in the display panel are all adjusted to the set gray scale value, that is, the gray scale values of the adjusted plurality of pixel points are the same. Meanwhile, a plurality of first brightness values corresponding to the pixel points under the set gray scale value are required to be measured, and a brightness matrix comprising the plurality of first brightness values is obtained.
In some embodiments, the specific gray-scale value to which the plurality of pixels are adjusted may be determined according to the display panels of the same specification that have been successfully manufactured. Specifically, the prepared display panel with the same specification can be tested, the gray scale value in the prepared display panel with the same specification can be adjusted, and the mura problem can not occur when determining which gray scale value the pixel point of the display panel with the same specification is. Then the plurality of pixel points of the display panel on the current production line can be adjusted to the gray scale value.
In one embodiment, each of the plurality of pixels may be adjusted to a gray scale of 255. In general, when the pixel is 255 gray scale, the display panel will not generate mura phenomenon. At this time, if the mura phenomenon occurs, the mura phenomenon is caused by the dirt of the backlight.
22. And calculating a brightness average value corresponding to the brightness of a preset area in the display panel.
According to the method, the first brightness values corresponding to the pixel points are obtained through measurement under the set gray scale values, and a brightness average value is required to be determined, so that the display panel is compensated by utilizing the brightness average value and the first brightness values. Wherein the luminance average value is a luminance average value in a fixed area, not a luminance average value of the whole display panel.
Fig. 3 is a schematic flow chart of an embodiment of determining a luminance average according to an embodiment of the present application, which may include:
31. the resolution size of the display panel is determined to determine the size of the preset area according to the resolution size of the display panel.
Specifically, the area size of the preset area required to calculate the luminance average value is also different for different types and specifications of display panels. The resolution of the display panel, or the specification of the display panel, can thus be determined first; and determining the size of the preset area according to the resolution of the display panel. In one embodiment, the resolution of the display panel may be 1280×800, and the predetermined area is generally a regular rectangular structure. Therefore, the length of the long side of the preset area can be 1/50 of 1280 or other ratios; similarly, the short side length of the preset area can be 1/50 of that of 800. The result is typically rounded up or up.
In the above embodiment, the length and width of the preset area are determined by the set ratio, the ratio of the length of the preset area to the resolution of the display panel is determined, the ratio occupied by the preset area in the resolution of the display panel may be the same or different. In other embodiments, the size of the display default area may be set, for example, a size of 30×20 area, or other custom-set area size. If the preset area is too small, less data is included in calculation, and the result is inaccurate; although the larger the pixel area, the more accurate the result, the more data that needs to be processed; the size of the preset area in the present application is determined more accurately according to the resolution of the display panel.
32. The center position of the display panel is determined to determine the position of the preset area in the display panel according to the center position of the display panel.
After determining the size of the preset area, it is also necessary to determine the position of the preset area in the display panel. In the case of a display panel, since the human eye mainly views the central region of the display panel, mura compensation is mainly performed for the picture in the central region of the display panel. It is thus necessary to determine the center position of the display panel and to place the preset area at the center position of the display panel. Specifically, the center position of the display panel can be determined, and the center position of the preset area can be determined; the center position of the preset area and the center position of the display panel are overlapped, so that the actual position of the preset area in the display panel is determined.
33. And acquiring the first brightness corresponding to each of the plurality of pixel points in the preset area.
34. And calculating the average value of the first brightnesses to obtain the average brightness value.
After the position of the preset area in the display panel is determined, a plurality of pixel points positioned in the preset area can be determined, and the first brightness corresponding to each of the plurality of pixel points in the preset area is obtained. After obtaining a plurality of first brightnesses, the average value of the plurality of first brightnesses can be calculated to obtain a brightness average value L 255-a . It should be noted that the luminance average value is the luminance average value of a plurality of pixels in the preset area, but is not the luminance average value of all pixels of the display panel.
23. And calculating the compensation coefficient corresponding to each pixel point according to the brightness average value and the brightness matrix to obtain a compensation coefficient matrix.
24. And calculating to obtain the compensation brightness matrix of the display panel according to the brightness average value and the compensation coefficient matrix.
25. The display panel is driven according to the compensation brightness matrix to compensate the display panel.
The luminance average value is obtained by calculating a compensation coefficient corresponding to the pixel point by using the luminance average value, so that the compensation luminance is determined according to the compensation coefficient, and the display panel is compensated. Specifically, in the application, the brightness average value and the brightness matrix are simultaneously utilized to calculate the compensation coefficient corresponding to each pixel point, so as to obtain a compensation coefficient matrix. The method of calculating the compensation coefficient is described in the following embodiments.
According to the display panel compensation method, a plurality of pixel points are adjusted to set gray scale values, and a plurality of first brightness values corresponding to the pixel points under the set gray scale values are measured to obtain a brightness matrix comprising the first brightness values; calculating a brightness average value corresponding to the brightness of a preset area in the display panel; calculating the compensation coefficient corresponding to each pixel point according to the brightness average value and the brightness matrix to obtain a compensation coefficient matrix; according to the brightness matrix and the compensation coefficient matrix, calculating to obtain a compensation brightness matrix of the display panel; the display panel is driven according to the compensation brightness matrix to compensate the display panel. The method comprises the steps of obtaining actual brightness values of a plurality of pixel points in a display panel under a set gray scale value, so as to compensate the actual brightness values under the set gray scale brightness value; and the multiple pixel points do not need to consider mura of the panel under the set gray scale value, and only mura caused by backlight dirt exists. By compensating mura caused by backlight dirt in advance, the influence of the backlight dirt on subsequent mura compensation is avoided.
As shown in fig. 4, a flowchart of an embodiment of determining a compensation coefficient matrix according to an embodiment of the present application may include:
41. and determining target brightness corresponding to the target pixel point in the brightness matrix by taking any pixel point in the plurality of pixel points as the target pixel point.
42. And calculating the quotient between the brightness average value and the target brightness to obtain the compensation coefficient corresponding to the target pixel point.
43. And after the compensation coefficients are calculated by the plurality of pixel points, obtaining a compensation coefficient matrix comprising the plurality of compensation coefficients.
In the application, compensation coefficients corresponding to each pixel point in the display panel are required to be calculated respectively. Firstly, any pixel point in a plurality of pixel points can be used as a target pixel point, and target brightness L corresponding to the target pixel point is determined in a brightness matrix 255-i . In the application, the quotient between the brightness average value and the target brightness is calculated and taken as the compensation coefficient corresponding to the target pixel point, namely the compensation coefficient coeff i ＝L 255-a /L 255-i . Wherein i is a positive integer, and the value range of i is usually 1-255.
After the compensation coefficient corresponding to the target pixel point is calculated in the above embodiment, the compensation coefficient corresponding to each pixel point in the display panel can be calculated, so as to obtain the compensation coefficient matrix coeff including a plurality of compensation coefficients. And the compensation brightness corresponding to each pixel point can be calculated by using the compensation coefficient matrix and the brightness matrix.
Specifically, a target compensation coefficient corresponding to a target pixel point may be determined in the compensation coefficient matrix, and a target luminance corresponding to the target pixel point may be determined in the luminance matrix. The product between the target compensation coefficient and the target brightness is calculated and used as the compensation brightness corresponding to the target pixel point. And after the compensation brightness of each pixel point is calculated, a compensation brightness matrix comprising a plurality of compensation brightness can be obtained.
In the above embodiment, the compensation coefficient matrix may be directly multiplied by the brightness matrix corresponding to all the pixel points, so as to directly obtain the compensated compensation brightness matrix. The compensation of a plurality of pixel points in the display panel can be realized by directly driving the display panel by using the compensation brightness matrix.
The present application also provides a display panel compensation device, as shown in fig. 5, which is a schematic diagram of an embodiment of the display panel compensation device provided in the embodiments of the present application, and may include:
the brightness obtaining module 501 is configured to adjust a plurality of pixel points to a set gray-scale value, and measure a plurality of first brightness values corresponding to the plurality of pixel points under the set gray-scale value, so as to obtain a brightness matrix including the plurality of first brightness values.
The luminance average value determining module 502 is configured to calculate a luminance average value corresponding to luminance of a preset area in the display panel.
The compensation coefficient determining module 503 is configured to calculate, according to the luminance average value and the luminance matrix, a compensation coefficient corresponding to each pixel point, and obtain a compensation coefficient matrix.
The compensation brightness determining module 504 is configured to calculate a compensation brightness matrix of the display panel according to the brightness matrix and the compensation coefficient matrix.
The compensation module 505 is configured to drive the display panel according to the compensated luminance matrix to compensate the display panel.
According to the display panel compensation device provided by the embodiment of the application, a plurality of pixel points are adjusted to set gray scale values, and a plurality of first brightness values corresponding to the pixel points under the set gray scale values are measured to obtain a brightness matrix comprising the plurality of first brightness values; calculating a brightness average value corresponding to the brightness of a preset area in the display panel; calculating the compensation coefficient corresponding to each pixel point according to the brightness average value and the brightness matrix to obtain a compensation coefficient matrix; according to the brightness matrix and the compensation coefficient matrix, calculating to obtain a compensation brightness matrix of the display panel; the display panel is driven according to the compensation brightness matrix to compensate the display panel. The method comprises the steps of obtaining actual brightness values of a plurality of pixel points in a display panel under a set gray scale value, so as to compensate the actual brightness values under the set gray scale brightness value; and the multiple pixel points do not need to consider mura of the panel under the set gray scale value, and only mura caused by backlight dirt exists. By compensating mura caused by backlight dirt in advance, the influence of the backlight dirt on subsequent mura compensation is avoided.
In some embodiments, the brightness obtaining module 501 is specifically configured to adjust the plurality of pixels to 255 gray scale values.
In some embodiments, the luminance average determination module 502 is specifically configured to: acquiring first brightness corresponding to each of a plurality of pixel points of a preset area in a display panel; and calculating the average value of the first brightnesses to obtain the average brightness value.
In some embodiments, the luminance average determination module 502 is specifically configured to: determining the resolution of the display panel to determine the size of a preset area according to the resolution of the display panel; determining the central position of the display panel to determine the position of the preset area in the display panel according to the central position of the display panel; and acquiring the first brightness corresponding to each of the plurality of pixel points in the preset area.
In some embodiments, the compensation coefficient determination module 503 is specifically configured to: taking any pixel point in the plurality of pixel points as a target pixel point, and determining target brightness corresponding to the target pixel point in a brightness matrix; calculating the quotient between the brightness average value and the target brightness to obtain a compensation coefficient corresponding to the target pixel point; and after the compensation coefficients are calculated by the plurality of pixel points, obtaining a compensation coefficient matrix comprising the plurality of compensation coefficients.
In some embodiments, the compensation brightness determination module 504 is specifically configured to:
determining a target compensation coefficient corresponding to the target pixel point in the compensation coefficient matrix; calculating the product of the target compensation coefficient and the target brightness to obtain the compensation brightness corresponding to the target pixel point; after the compensation brightness is calculated by the pixel points, a compensation brightness matrix comprising a plurality of compensation brightness is obtained.
The embodiment of the application also provides a display device, which integrates any of the display panel compensation devices provided by the embodiment of the application, and the display device comprises: display screen
One or more processors;
a memory; and
one or more applications, wherein the one or more applications are stored in the memory and configured to be executed by the processor to perform the steps in the display panel compensation method of any of the display panel compensation method embodiments described above.
As shown in fig. 6, a schematic structural diagram of a display device according to an embodiment of the present application is shown, specifically:
the display device may include one or more processing cores 'processors 601, one or more computer-readable storage media's memory 602, power supply 603, and input unit 604, among other components. It will be appreciated by those skilled in the art that the display device structure shown in fig. 6 is not limiting of the display device and may include more or fewer components than shown, or may combine certain components, or a different arrangement of components. Wherein:
the processor 601 is a control center of the display device, connects various parts of the entire display device using various interfaces and lines, and performs various functions of the display device and processes data by running or executing software programs and/or modules stored in the memory 602, and calling data stored in the memory 602, thereby performing overall monitoring of the display device. Optionally, the processor 601 may include one or more processing cores; the processor 601 may be a central processing unit (Central Processing Unit, CPU), but may also be other general purpose processors, digital signal processors (Digital Signal Processor, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC), off-the-shelf programmable gate arrays (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like, and preferably, the processor 601 may integrate an application processor primarily handling operating systems, user interfaces, application programs, and the like, with a modem processor primarily handling wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 601.
The memory 602 may be used to store software programs and modules, and the processor 601 may execute various functional applications and data processing by executing the software programs and modules stored in the memory 602. The memory 602 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program (such as a sound playing function, an image playing function, etc.) required for at least one function, and the like; the storage data area may store data created according to the use of the display device, and the like. In addition, the memory 602 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid-state storage device. Accordingly, the memory 602 may also include a memory controller to provide access to the memory 602 by the processor 601.
The display device further comprises a power supply 603 for supplying power to the various components, preferably the power supply 603 may be logically connected to the processor 601 via a power management system, so that functions of managing charging, discharging, power consumption management, etc. are achieved via the power management system. The power supply 603 may also include one or more of any components, such as a direct current or alternating current power supply, a recharging system, a power failure detection circuit, a power converter or inverter, a power status indicator, and the like.
The display device may also include an input unit 604, which input unit 604 may be used to receive entered numeric or character information and to generate keyboard, mouse, joystick, optical or trackball signal inputs related to user settings and function control.
Although not shown, the display device may further include a display unit or the like, which is not described herein. In particular, in this embodiment, the processor 601 in the display device loads executable files corresponding to the processes of one or more application programs into the memory 602 according to the following instructions, and the processor 601 executes the application programs stored in the memory 602, so as to implement various functions as follows:
adjusting the pixel points to set gray scale values, and measuring a plurality of first brightness values corresponding to the pixel points under the set gray scale values to obtain a brightness matrix comprising the first brightness values; calculating a brightness average value corresponding to the brightness of a preset area in the display panel; calculating the compensation coefficient corresponding to each pixel point according to the brightness average value and the brightness matrix to obtain a compensation coefficient matrix; according to the brightness matrix and the compensation coefficient matrix, calculating to obtain a compensation brightness matrix of the display panel; the display panel is driven according to the compensation brightness matrix to compensate the display panel.
Those of ordinary skill in the art will appreciate that all or a portion of the steps of the various methods of the above embodiments may be performed by instructions, or by instructions controlling associated hardware, which may be stored in a computer-readable storage medium and loaded and executed by a processor.
To this end, embodiments of the present application provide a computer readable storage medium, which may include: read Only Memory (ROM), random access Memory (RAM, random Access Memory), magnetic or optical disk, and the like. On which a computer program is stored, the computer program being loaded by a processor to perform the steps of any of the display panel compensation methods provided in the embodiments of the present application. For example, the loading of the computer program by the processor may perform the steps of:
adjusting the pixel points to set gray scale values, and measuring a plurality of first brightness values corresponding to the pixel points under the set gray scale values to obtain a brightness matrix comprising the first brightness values; calculating a brightness average value corresponding to the brightness of a preset area in the display panel; calculating the compensation coefficient corresponding to each pixel point according to the brightness average value and the brightness matrix to obtain a compensation coefficient matrix; according to the brightness matrix and the compensation coefficient matrix, calculating to obtain a compensation brightness matrix of the display panel; the display panel is driven according to the compensation brightness matrix to compensate the display panel.
In the foregoing embodiments, the descriptions of the embodiments are focused on, and the portions of one embodiment that are not described in detail in the foregoing embodiments may be referred to in the foregoing detailed description of other embodiments, which are not described herein again.
In the implementation, each unit or structure may be implemented as an independent entity, or may be implemented as the same entity or several entities in any combination, and the implementation of each unit or structure may be referred to the foregoing method embodiments and will not be repeated herein.
The specific implementation of each operation above may be referred to the previous embodiments, and will not be described herein.
The foregoing describes in detail a display panel compensation method, apparatus, display device and storage medium provided in the embodiments of the present application, and specific examples are applied to illustrate the principles and implementations of the present application, where the foregoing description of the embodiments is only used to help understand the method and core idea of the present application; meanwhile, those skilled in the art will have variations in the specific embodiments and application scope in light of the ideas of the present application, and the present description should not be construed as limiting the present application in view of the above.

Claims (10)

1. A display panel compensation method, wherein the display panel comprises a plurality of pixel points, the method comprising:
adjusting a plurality of pixel points to set gray scale values, and measuring a plurality of first brightness values corresponding to the pixel points under the set gray scale values to obtain a brightness matrix comprising the first brightness values;
calculating a brightness average value corresponding to the brightness of a preset area in the display panel;
calculating the compensation coefficient corresponding to each pixel point according to the brightness average value and the brightness matrix to obtain a compensation coefficient matrix;
according to the brightness matrix and the compensation coefficient matrix, calculating to obtain a compensation brightness matrix of the display panel;
and driving the display panel according to the compensation brightness matrix to compensate the display panel.
2. The method of claim 1, wherein adjusting the plurality of pixels to a set gray scale value comprises:
and adjusting the pixel points to 255 gray scale values.
3. The display panel compensation method according to claim 1, wherein the calculating a luminance average value corresponding to the luminance of the preset area in the display panel comprises:
acquiring first brightness corresponding to each of a plurality of pixel points of a preset area in the display panel;
and calculating the average value of the first brightness to obtain the average value of the brightness.
4. The display panel compensation method according to claim 3, wherein the obtaining the first brightness corresponding to each of the plurality of pixels in the preset area of the display panel includes:
determining the resolution of the display panel to determine the size of the preset area according to the resolution of the display panel;
determining the central position of the display panel, so as to determine the position of the preset area in the display panel according to the central position of the display panel;
and acquiring the first brightness corresponding to each of the plurality of pixel points in the preset area.
5. The method of claim 1, wherein calculating the compensation coefficient corresponding to each pixel according to the luminance average value and the luminance matrix to obtain the compensation coefficient matrix comprises:
taking any pixel point in the plurality of pixel points as a target pixel point, and determining target brightness corresponding to the target pixel point in the brightness matrix;
calculating the quotient between the brightness average value and the target brightness to obtain a compensation coefficient corresponding to the target pixel point;
and after the compensation coefficients are calculated by the plurality of pixel points, obtaining a compensation coefficient matrix comprising the plurality of compensation coefficients.
6. The method according to claim 5, wherein calculating the compensation luminance matrix of the display panel according to the luminance matrix and the compensation coefficient matrix comprises:
determining a target compensation coefficient corresponding to the target pixel point in the compensation coefficient matrix;
calculating the product of the target compensation coefficient and the target brightness to obtain the compensation brightness corresponding to the target pixel point;
after the compensation brightness is calculated by the pixel points, a compensation brightness matrix comprising a plurality of compensation brightness is obtained.
7. A display panel compensation apparatus, wherein a display panel includes a plurality of pixel points, the display panel compensation apparatus comprising:
the brightness acquisition module is used for adjusting a plurality of pixel points to set gray scale values and measuring a plurality of first brightness values corresponding to the pixel points under the set gray scale values to obtain a brightness matrix comprising the first brightness values;
the brightness average value determining module is used for calculating a brightness average value corresponding to brightness of a preset area in the display panel;
the compensation coefficient determining module is used for calculating the compensation coefficient corresponding to each pixel point according to the brightness average value and the brightness matrix to obtain a compensation coefficient matrix;
the compensation brightness determining module is used for calculating to obtain a compensation brightness matrix of the display panel according to the brightness matrix and the compensation coefficient matrix;
and the compensation module is used for driving the display panel according to the compensation brightness matrix so as to compensate the display panel.
8. The display panel compensation device according to claim 7, wherein the brightness acquisition module is configured to adjust the plurality of pixel points to a 255 gray scale value.
9. A display device, the display device comprising: a display panel;
one or more processors;
a memory; and
one or more applications, wherein the one or more applications are stored in the memory and configured to be executed by the processor to implement the display panel compensation method of any one of claims 1 to 6.
10. A computer-readable storage medium, having stored thereon a computer program, the computer program being loaded by a processor to perform the steps of the display panel compensation method of any of claims 1 to 6.
CN202310437540.5A 2023-04-20 2023-04-20 Display panel compensation method and device, display equipment and storage medium Pending CN117524042A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310437540.5A CN117524042A (en) 2023-04-20 2023-04-20 Display panel compensation method and device, display equipment and storage medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310437540.5A CN117524042A (en) 2023-04-20 2023-04-20 Display panel compensation method and device, display equipment and storage medium

Publications (1)

Publication Number Publication Date
CN117524042A true CN117524042A (en) 2024-02-06

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310437540.5A Pending CN117524042A (en) 2023-04-20 2023-04-20 Display panel compensation method and device, display equipment and storage medium

Country Status (1)

Country Link
CN (1) CN117524042A (en)

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