CN115731830A - Display control method, display control device, nonvolatile storage medium and processor - Google Patents
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Abstract
The invention discloses a display control method, a display control device, a nonvolatile storage medium and a processor, wherein the display control method comprises the following steps: acquiring a display brightness information value of a target sub-pixel to be controlled, wherein the display brightness information value is a parameter value representing brightness; determining the number of target pixel lines where the target sub-pixels are located; calculating a target brightness information value according to the target pixel line number and the display brightness information value; and controlling the target sub-pixel to display according to the target brightness information value. The display control method solves the problem of uneven brightness when the display in the prior art displays the picture.
Description
Technical Field
The invention relates to the field of image display control, in particular to a display control method, a display control device, a nonvolatile storage medium and a processor.
Background
When the TFT display is used, due to RC delay in the internal circuit, the charging rate of the whole screen is not uniform, which results in uneven brightness of the display screen.
In the related art, the RC delay is generally reduced by continuously optimizing the process parameters, so as to improve the uniformity of the brightness when the display displays the image. However, the display effect is still poor, and in some cases, the display effect of the display is obviously affected.
In view of the above problems, no effective solution has been proposed.
The above information disclosed in the background section is only for enhancement of understanding of the background of the technology described herein. The background art may therefore contain certain information that does not form the known prior art to those skilled in the art.
Disclosure of Invention
The embodiment of the invention provides a display control method, a display control device, a nonvolatile storage medium and a processor, which are used for at least solving the problem of uneven brightness when a display displays a picture in the prior art.
In order to achieve the above object, according to a first aspect of embodiments of the present invention, there is provided a display control method including: acquiring a display brightness information value of a target sub-pixel to be controlled, wherein the display brightness information value is a parameter value representing brightness; determining the number of target pixel lines where the target sub-pixels are located; calculating a target brightness information value according to the target pixel line number and the display brightness information value; and controlling the target sub-pixel to display according to the target brightness information value.
Further, calculating a target luminance information value based on the target pixel line number and the display luminance information value, includes: controlling the display brightness information value to increase the target value to obtain a target brightness information value; the target value is a preset value corresponding to the target pixel line number.
Further, calculating a target luminance information value based on the target pixel line number and the display luminance information value, includes: under the condition that the brightness value corresponding to the display brightness information value is smaller than or equal to a preset threshold value, controlling the display brightness information value to increase the target value to obtain a target brightness information value; the target value is a preset value corresponding to the number of target pixel lines; and determining the display brightness information value as the target brightness information value under the condition that the brightness value corresponding to the display brightness information value is greater than the preset threshold value.
Further, the preset threshold value is 60% to 70% of the maximum display luminance value of the display device.
Further, before determining the display luminance information value of the target sub-pixel to be controlled, the display control method further includes: controlling the display equipment to display a pure color test picture; and adjusting a plurality of display brightness information values corresponding to the plurality of rows of sub-pixels by using a plurality of preset values so as to enable the brightness uniformity of the picture displayed by the display equipment to meet a preset condition, and determining the preset value corresponding to each pixel row number as a corresponding target value when the brightness uniformity of the picture displayed by the display equipment meets the preset condition.
Further, the display brightness information value is a display gray scale value, and the target brightness information value is a target gray scale value; or, the display luminance information value is the display voltage of the thin film transistor corresponding to the target sub-pixel, and the target luminance information value is the target display voltage.
According to a second aspect of the embodiments of the present invention, there is provided a display control apparatus including: the device comprises an acquisition unit, a control unit and a control unit, wherein the acquisition unit is used for acquiring a display brightness information value of a target sub-pixel to be controlled, and the display brightness information value is a parameter value representing brightness; the determining unit is used for determining the number of target pixel lines where the target sub-pixels are located; the calculating unit is used for calculating a target brightness information value according to the target pixel line number and the display brightness information value; and the first control unit is used for controlling the target sub-pixel to display according to the target brightness information value.
According to a third aspect of the embodiments of the present invention, there is provided a nonvolatile storage medium including a stored program, wherein an apparatus in which the nonvolatile storage medium is controlled at the time of execution of the program executes the above-described display control method.
According to a fourth aspect of the embodiments of the present invention, there is provided a processor for executing a program, wherein the program executes the display control method described above.
According to a fifth aspect of the embodiments of the present invention, there is provided a display control apparatus including a memory, a processor, and a computer program stored in the memory and executable on the processor, the processor implementing the display control method described above when executing the computer program.
The display control method applying the technical scheme of the invention comprises the following steps: acquiring a display brightness information value of a target sub-pixel to be controlled, wherein the display brightness information value is a parameter value representing brightness; determining the number of target pixel lines where the target sub-pixels are located; calculating a target brightness information value according to the target pixel line number and the display brightness information value; and controlling the target sub-pixel to display according to the target brightness information value. In this way, when the display displays a picture, the display is driven row by row, so that voltage loss is caused along with the transmission of voltage, and the driving voltage corresponding to the pixel row of the post-driving is correspondingly reduced. And calculating a target brightness information value by determining the display brightness information value of the target sub-pixel to be controlled and the target pixel line number where the target sub-pixel is located, and controlling the target sub-pixel to display by using the target brightness information value. That is, the brightness information of west of the target sub-pixel is adjusted according to the target pixel line number of the target sub-pixel, and the target sub-pixel is controlled to display according to the adjusted target brightness information value, so that the sub-pixels with different pixel line numbers can be compensated in a targeted manner, and the function of adjusting the brightness of each line of sub-pixels is achieved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic flow chart diagram of an alternative embodiment of a display control method according to the present invention;
fig. 2 is a schematic diagram of an alternative embodiment of a display control apparatus according to the present invention.
Detailed Description
It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make those skilled in the art better understand the technical solutions of the present invention, 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It will be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. Also, in the specification and claims, when an element is described as being "connected" to another element, the element may be "directly connected" to the other element or "connected" to the other element through a third element.
Fig. 1 is a display control method according to an embodiment of the present invention, as shown in fig. 1, the method including the steps of:
step S102, obtaining a display brightness information value of a target sub-pixel to be controlled, wherein the display brightness information value is a parameter value representing brightness;
step S104, determining the target pixel line number of the target sub-pixel;
step S106, calculating a target brightness information value according to the target pixel line number and the display brightness information value;
and step S108, controlling the target sub-pixel to display according to the target brightness information value.
The display control method adopting the scheme comprises the following steps: acquiring a display brightness information value of a target sub-pixel to be controlled, wherein the display brightness information value is a parameter value representing brightness; determining the number of target pixel lines where the target sub-pixels are located; calculating a target brightness information value according to the target pixel line number and the display brightness information value; and controlling the target sub-pixel to display according to the target brightness information value. In this way, when the display displays a picture, the display is driven row by row, so that voltage loss is caused along with the transmission of voltage, and the driving voltage corresponding to the pixel row of the post-driving is correspondingly reduced. And calculating a target brightness information value by determining the display brightness information value of a target sub-pixel to be controlled and the target pixel line number where the target sub-pixel is located, and controlling the target sub-pixel to display by using the target brightness information value. That is, the brightness information of west of the target sub-pixel is adjusted according to the target pixel line number of the target sub-pixel, and the target sub-pixel is controlled to display according to the adjusted target brightness information value, so that the sub-pixels with different pixel line numbers can be compensated in a targeted manner, and the function of adjusting the brightness of each line of sub-pixels is achieved.
The sub-pixels, i.e. one sub-pixel of each pixel point, generally speaking, each pixel point includes three sub-pixels of RGB.
Specifically, calculating a target luminance information value based on the target pixel line number and the display luminance information value includes: controlling the display brightness information value to increase the target value to obtain a target brightness information value; the target value is a preset value corresponding to the target pixel line number.
In this embodiment, on the basis of displaying the luminance information value, a corresponding preset value (target value) is added according to the number of target pixel lines, so as to obtain an adjusted target luminance information value, and the target sub-pixel is controlled to display by the target luminance information value. Therefore, the display brightness of the corresponding sub-pixels can be adjusted in a targeted manner according to different pixel line numbers, so that the brightness uniformity of the display picture of the display is ensured. Of course, the target luminance information value may be obtained in other manners, for example, according to the number of pixel rows where the target sub-pixel is located, the display luminance information value of the target sub-pixel is multiplied by a value greater than 1, so as to increase the display luminance information value, thereby increasing the display luminance of the corresponding target sub-pixel and canceling the influence on the display due to the RC delay.
Specifically, calculating a target luminance information value based on the target pixel line number and the display luminance information value includes: under the condition that the brightness value corresponding to the display brightness information value is smaller than or equal to a preset threshold value, controlling the display brightness information value to increase the target value to obtain a target brightness information value; the target value is a preset value corresponding to the target pixel line number; and determining the display brightness information value as the target brightness information value under the condition that the brightness value corresponding to the display brightness information value is greater than the preset threshold value.
That is to say, in this embodiment, the display luminance information values of all the sub-pixels are not adjusted, but a differential treatment mode is adopted, and when the luminance value corresponding to the display luminance information value is less than or equal to the preset threshold, the display luminance information value is controlled to increase, so as to obtain the target luminance information value; and when the display brightness information value is larger than the preset threshold value, the display brightness information value is directly used as the target brightness information value. Therefore, due to the characteristics of human eyes, small change of the brightness value is easily perceived by people under low gray-scale brightness, and small change of the brightness value is not easily perceived under high gray-scale brightness.
Specifically, the preset threshold is 60% to 70% of the maximum display luminance value of the display device. In this embodiment, the preset threshold is 60% to 70% of the maximum display brightness value of the display device, and the specific value thereof can be flexibly selected according to the actual situation, thereby implementing the function of flexibly adjusting the brightness of the sexual sub-pixel.
Before determining the display brightness information value of the target sub-pixel to be controlled, the display control method further includes: controlling the display equipment to display a pure color test picture; and adjusting a plurality of display brightness information values corresponding to the plurality of rows of sub-pixels by using a plurality of preset values so as to enable the brightness uniformity of the picture displayed by the display equipment to meet a preset condition, and determining the preset value corresponding to each pixel row number as a corresponding target value when the brightness uniformity of the picture displayed by the display equipment meets the preset condition.
That is, before determining the display luminance information value of the target sub-pixel to be controlled, the display control method further includes: inputting a pure color test picture to the display equipment, wherein the pure color test picture is a picture with single color and uniform brightness; then, the display brightness information values of the sub-pixels in a plurality of rows are controlled to correspondingly increase a plurality of preset values, namely, for the sub-pixels in each row, the display brightness information values of the sub-pixels are controlled to increase by the same preset value, and the preset values increased by the sub-pixels in different pixel row numbers are different.
In specific implementation, the predetermined condition may be that the brightness of the picture displayed by the target device is uniform, that is, the brightness of all the pixels is the same, or that the difference between the maximum brightness and the minimum brightness of the picture displayed by the target device is smaller than a preset difference. That is, the predetermined condition can be flexibly selected according to the specific situation.
Specifically, the display luminance information value is a display gray scale value, and the target luminance information value is a target gray scale value; or, the display luminance information value is the display voltage of the thin film transistor corresponding to the target sub-pixel, and the target luminance information value is the target display voltage.
That is, there may be two specific forms for the display luminance information value and the target luminance information value, one form, both of which are gray values, and the display luminance of the corresponding sub-pixel may be adjusted by acquiring and adjusting the gray values; in another form, both display voltages are the display voltages of the thin film transistors corresponding to the respective sub-pixels.
Next, as shown in fig. 2, an embodiment of the present invention further provides a display control apparatus, including: the device comprises an acquisition unit, a control unit and a control unit, wherein the acquisition unit is used for acquiring a display brightness information value of a target sub-pixel to be controlled, and the display brightness information value is a parameter value representing brightness; the determining unit is used for determining the number of target pixel lines where the target sub-pixels are located; the calculating unit is used for calculating a target brightness information value according to the target pixel line number and the display brightness information value; and the first control unit is used for controlling the target sub-pixel to display according to the target brightness information value.
The computing unit is to: controlling the display brightness information value to increase the target value to obtain a target brightness information value; the target value is a preset value corresponding to the target pixel line number.
Specifically, the calculation unit is configured to: under the condition that the brightness value corresponding to the display brightness information value is smaller than or equal to a preset threshold value, controlling the display brightness information value to increase the target value to obtain a target brightness information value; the target value is a preset value corresponding to the target pixel line number; and determining the display brightness information value as the target brightness information value under the condition that the brightness value corresponding to the display brightness information value is greater than the preset threshold value.
Preferably, the preset threshold is 60% to 70% of the maximum display brightness value of the display device.
Before determining the display brightness information value of the target sub-pixel to be controlled, the display control device further comprises a second control unit and an adjusting unit: the second control unit is used for controlling the display equipment to display a pure color test picture; the adjusting unit is used for adjusting a plurality of display brightness information values corresponding to a plurality of rows of sub-pixels by using a plurality of preset values so that the brightness uniformity of the picture displayed by the display equipment meets a preset condition, and when the brightness uniformity of the picture displayed by the display equipment meets the preset condition, the preset value corresponding to each pixel row is determined to be a corresponding target value.
In specific implementation, the display brightness information value is a display gray scale value, and the target brightness information value is a target gray scale value; or, the display luminance information value is the display voltage of the thin film transistor corresponding to the target sub-pixel, and the target luminance information value is the target display voltage.
In addition, the embodiment of the invention also provides a nonvolatile storage medium, the nonvolatile storage medium comprises a stored program, and when the program runs, the device where the nonvolatile storage medium is located is controlled to execute the display control method.
The embodiment of the invention further provides a processor, wherein the processor is used for running the program, and the program executes the display control method when running.
Finally, an embodiment of the present invention further provides a display control apparatus, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the display control method when executing the computer program.
The above-mentioned serial numbers of the embodiments of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments. Moreover, the steps illustrated in the flowcharts of the figures may be performed in a computer system such as a set of computer-executable instructions, and while a logical order is illustrated in the flowcharts, in some cases, the steps illustrated or described may be performed in an order different than here.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, 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, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and amendments can be made without departing from the principle of the present invention, and these modifications and amendments should also be considered as the protection scope of the present invention.
Claims (10)
1. A display control method, comprising:
acquiring a display brightness information value of a target sub-pixel to be controlled, wherein the display brightness information value is a parameter value representing brightness;
determining the number of target pixel lines where the target sub-pixels are located;
calculating a target brightness information value according to the target pixel line number and the display brightness information value;
and controlling the target sub-pixel to display according to the target brightness information value.
2. The display control method according to claim 1, wherein calculating a target luminance information value based on the target pixel line number and the display luminance information value comprises:
controlling the display brightness information value to increase a target value to obtain the target brightness information value;
wherein the target value is a preset value corresponding to the target pixel line number.
3. The display control method according to claim 1, wherein calculating a target luminance information value based on the target pixel line number and the display luminance information value comprises:
under the condition that the brightness value corresponding to the display brightness information value is smaller than or equal to a preset threshold value, controlling the display brightness information value to increase a target value to obtain the target brightness information value; wherein the target value is a preset value corresponding to the target pixel line number;
and determining the display brightness information value as the target brightness information value under the condition that the brightness value corresponding to the display brightness information value is greater than the preset threshold value.
4. The display control method according to claim 3, wherein the preset threshold is 60% to 70% of a maximum display luminance value of the display device.
5. The display control method according to any one of claims 2 to 4, wherein before determining the display luminance information value of the target sub-pixel to be controlled, the display control method further comprises:
controlling the display equipment to display a pure color test picture;
and adjusting a plurality of display brightness information values corresponding to a plurality of rows of the sub-pixels by using a plurality of preset values so as to enable the brightness uniformity of the picture displayed by the display equipment to meet a preset condition, and determining the preset value corresponding to each pixel row as the corresponding target value when the brightness uniformity of the picture displayed by the display equipment meets the preset condition.
6. The display control method according to any one of claims 1 to 4, wherein the display luminance information value is a display gradation value, and the target luminance information value is a target gradation value; alternatively, the first and second electrodes may be,
the display brightness information value is the display voltage of the thin film transistor corresponding to the target sub-pixel, and the target brightness information value is the target display voltage.
7. A display control apparatus, characterized by comprising:
the device comprises an acquisition unit, a control unit and a control unit, wherein the acquisition unit is used for acquiring a display brightness information value of a target sub-pixel to be controlled, and the display brightness information value is a parameter value representing brightness;
a determining unit, configured to determine a target pixel line number where the target sub-pixel is located;
the calculating unit is used for calculating a target brightness information value according to the target pixel line number and the display brightness information value;
and the first control unit is used for controlling the target sub-pixel to display according to the target brightness information value.
8. A non-volatile storage medium, comprising a stored program, wherein a device in which the non-volatile storage medium is located is controlled to execute the display control method according to any one of claims 1 to 6 when the program runs.
9. A processor, wherein the processor is configured to run a program, wherein the program is configured to perform the display control method according to any one of claims 1 to 6 when running.
10. A display control apparatus comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that the processor implements the display control method of any one of claims 1 to 6 when executing the computer program.
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