CN110634435A - Compensation processing method and compensation processing device for display panel - Google Patents
Compensation processing method and compensation processing device for display panel Download PDFInfo
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- CN110634435A CN110634435A CN201910906013.8A CN201910906013A CN110634435A CN 110634435 A CN110634435 A CN 110634435A CN 201910906013 A CN201910906013 A CN 201910906013A CN 110634435 A CN110634435 A CN 110634435A
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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
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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
- G09G3/2007—Display of intermediate tones
- G09G3/2074—Display of intermediate tones using sub-pixels
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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
- 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
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Abstract
The embodiment of the invention provides a compensation processing method and a compensation processing device of a display panel, relates to the technical field of display, and can reduce the data volume of compensation data, optimize the compensation effect and improve the display quality. The display panel comprises a display area, the display area comprises a plurality of pixel units arranged in a matrix form, and each pixel unit comprises a plurality of sub-pixels; the compensation processing method comprises the following steps: acquiring compensation data corresponding to each sub-pixel according to a picture displayed by a display panel under a preset gray scale; dividing the display area to include a plurality of sub-display areas arranged along a first direction; each sub-display area comprises a plurality of first compensation areas arranged along the second direction, each first compensation area comprises a plurality of pixel units, and the first compensation areas in two adjacent sub-display areas are arranged in a staggered mode in the first direction; and determining common compensation data corresponding to the sub-pixels in the first compensation area according to the position data of the first compensation area and the compensation data of the sub-pixels.
Description
[ technical field ] A method for producing a semiconductor device
The present invention relates to the field of display technologies, and in particular, to a compensation processing method and a compensation processing apparatus for a display panel.
[ background of the invention ]
In the production process of the display panel, under the influence of factors such as process materials, process procedures and the like, the display panel may have a phenomenon of uneven brightness of a display picture, namely a Mura phenomenon, which is a technical problem generally existing in the display technical field.
At present, to eliminate the Mura phenomenon, the luminance of each sub-pixel is usually corrected by luminance compensation to improve the luminance uniformity of the display screen. However, after the sub-pixels are compensated by the conventional brightness compensation method, the displayed picture is adversely affected, for example, a significant dark streak occurs, which results in a worse display effect.
[ summary of the invention ]
In view of this, embodiments of the present invention provide a compensation processing method and a compensation processing apparatus for a display panel, which can reduce the data amount of compensation data, optimize the compensation effect, and improve the display quality.
In one aspect, an embodiment of the present invention provides a compensation processing method for a display panel, where the display panel includes a display area and a frame area surrounding the display area, the display area includes a plurality of pixel units arranged in a matrix form, and each pixel unit includes a plurality of sub-pixels;
the compensation processing method comprises the following steps:
acquiring compensation data corresponding to each sub-pixel according to a picture displayed by a display panel under a preset gray scale;
dividing the display area to comprise a plurality of sub-display areas arranged along a first direction; wherein each of the sub-display regions includes a plurality of first compensation regions arranged along a second direction, each of the first compensation regions includes a plurality of the pixel units, and the first compensation regions in two adjacent sub-display regions are arranged in a staggered manner in the first direction, and the first direction intersects with the second direction;
and determining common compensation data corresponding to the sub-pixels in the first compensation area according to the position data of the first compensation area and the acquired compensation data of the sub-pixels.
In another aspect, an embodiment of the present invention provides a compensation processing apparatus for a display panel, including:
the detection module is used for acquiring compensation data corresponding to each sub-pixel according to a picture displayed by the display panel under a preset gray scale;
the compensation area dividing module is used for dividing the display area to enable the display area to comprise a plurality of sub-display areas arranged along a first direction; wherein each of the sub-display regions includes a plurality of first compensation regions arranged along a second direction, each of the first compensation regions includes a plurality of the pixel units, and the first compensation regions in two adjacent sub-display regions are arranged in a staggered manner in the first direction, and the first direction intersects with the second direction;
the first compensation data generation module is electrically connected with the detection module and the compensation region division module respectively and is used for determining shared compensation data corresponding to the sub-pixels in the first compensation region according to the position data of the first compensation region and the acquired compensation data of the sub-pixels.
The technical scheme has the following beneficial effects:
by adopting the technical scheme provided by the embodiment of the invention, the first compensation area is divided, and the common compensation data corresponding to the plurality of sub-pixels in the first compensation area is obtained, so that the plurality of sub-pixels in each first compensation area only need to be compensated by using one common compensation data, and each sub-pixel does not need to be compensated independently, thereby greatly reducing the data volume of the compensation data. Furthermore, when the first compensation regions are divided, since the sub-pixels in each first compensation region are compensated by using the common compensation data, if the first compensation regions in the plurality of sub-display regions are aligned in the first direction, a regularity error will be caused, and continuous dark lines and bright lines with long lengths appear. In the embodiment of the invention, the first compensation regions in the two adjacent sub-display regions are arranged in a staggered manner in the first direction, so that the existence of the regularity error is broken, and the dark lines and the bright lines are presented in a discontinuous interval arrangement manner.
Therefore, by adopting the technical scheme provided by the embodiment of the invention, the data volume of the compensation data can be reduced to a great extent, the storage volume of the compensation data in the driving chip is reduced, continuous dark lines and bright lines with longer lengths can be avoided after compensation, the recognition degree of human eyes on the dark lines and the bright lines is reduced, the compensation effect is improved, and the display quality is further improved.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the present invention;
FIG. 2 is an enlarged partial schematic view of FIG. 1;
FIG. 3 is a flowchart illustrating a compensation processing method for a display panel according to an embodiment of the present invention;
FIG. 4 is a schematic view of an arrangement of the first compensation zone;
FIG. 5 is a schematic layout diagram of a first compensation area according to an embodiment of the present invention;
FIG. 6 is a flowchart illustrating a compensation processing method for a display panel according to an embodiment of the present invention;
FIG. 7 is another enlarged partial schematic view of FIG. 1;
fig. 8 is a schematic structural diagram of a first compensation region and a second compensation region provided in an embodiment of the present invention;
FIG. 9 is a schematic structural diagram of a first compensation region and a second compensation region provided in an embodiment of the present invention;
FIG. 10 is a schematic structural diagram of a compensation processing apparatus for a display panel according to an embodiment of the present invention;
fig. 11 is a schematic structural diagram of another compensation processing apparatus for a display panel according to an embodiment of the present invention.
[ detailed description ] embodiments
For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all 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.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
It should be understood that although the terms first and second may be used to describe the compensation regions in the embodiments of the present invention, the compensation regions should not be limited to these terms. These terms are only used to distinguish the compensation zones from each other. For example, the first compensation region may also be referred to as a second compensation region, and similarly, the second compensation region may also be referred to as a first compensation region without departing from the scope of embodiments of the present invention.
An embodiment of the present invention provides a compensation processing method for a display panel, where, with reference to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of the display panel provided in the embodiment of the present invention, and fig. 2 is a schematic partial enlarged diagram of fig. 1, the display panel includes a display area 1 and a frame area 2 surrounding the display area 1, the display area 1 includes a plurality of pixel units 3 arranged in a matrix, and the pixel units 3 include a plurality of sub-pixels 4. As shown in fig. 3, fig. 3 is a flowchart of a compensation processing method of a display panel according to an embodiment of the present invention, where the compensation processing method includes:
step S1: and acquiring compensation data corresponding to each sub-pixel 4 according to the picture displayed by the display panel under the preset gray scale.
Step S2: dividing the display area 1 to include a plurality of sub-display areas 6 arranged in a first direction; wherein each sub-display region 6 comprises a plurality of first compensation regions 5 arranged along the second direction, each first compensation region 5 comprises a plurality of pixel units 3, and the first compensation regions 5 in two adjacent sub-display regions 6 are arranged in a staggered manner in the first direction, and the first direction intersects with the second direction.
Step S3: and determining the common compensation data corresponding to the sub-pixels 4 in the first compensation area 5 according to the position data of the first compensation area 5 and the acquired compensation data of the sub-pixels 4.
First, after the display panel is produced, the compensation process is performed on the display panel, the position data of the first compensation region 5 and the common compensation data corresponding to the sub-pixels 4 in the first compensation region 5 are acquired and then stored in the driving chip, and after the display panel is put into use, the driving chip compensates the sub-pixels 4 in the plurality of first compensation regions 5 according to the stored position data and the common compensation data.
By adopting the compensation processing method provided by the embodiment of the invention, the first compensation area 5 is divided, and the common compensation data corresponding to the plurality of sub-pixels 4 in the first compensation area 5 is obtained, the plurality of sub-pixels 4 in each first compensation area 5 only need to be compensated by using one common compensation data, and each sub-pixel 4 does not need to be compensated independently, so that the data volume of the compensation data is reduced to a great extent. Further, the inventor researches and discovers that when the first compensation regions 5 are divided, since the sub-pixels 4 in each first compensation region 5 are compensated by using the common compensation data, if the first compensation regions 5 in the plurality of sub-display regions 6 are aligned in the first direction, a regularity error exists. Taking fig. 4 as an example, fig. 4 is a schematic diagram of an arrangement of a first compensation region, when the first compensation regions 5 in the sub-display regions 6 are aligned, assuming that common compensation data is obtained by averaging compensation data corresponding to a plurality of sub-pixels 4, after compensation, all of the sub-pixels 4 in the third, fourth, ninth and tenth rows (the sub-pixels 4 in the first to twelfth rows are arranged from left to right) are darker by five gray scales, and all of the sub-pixels 4 in the fifth, sixth, seventh and eighth rows are lighter by five gray scales, at this time, the sub-pixels 4 in the third, fourth, ninth and tenth rows are located with more distinct dark lines, and the sub-pixels 4 in the fifth, sixth, seventh and eighth rows have more distinct dark lines, and bright lines are continuous and have longer lengths, so that the sub-pixels are easily recognized by human eyes. In the embodiment of the present invention, the existence of the regularity error is broken by arranging the first compensation regions 5 in the two adjacent sub-display regions 6 in a staggered manner in the first direction. Specifically, taking fig. 5 as an example, and fig. 5 as an arrangement schematic diagram of the first compensation region provided in the embodiment of the present invention, when the first compensation region 5 is arranged in a staggered manner, taking the third row and the fourth row of sub-pixels 4 as an example after compensation, in the third row of sub-pixels 4, the sub-pixels 4 in the first row and the second row are arranged in dark for five gray scales, the sub-pixels 4 in the third row and the fourth row are not changed in brightness, and the sub-pixels 4 in the fifth row and the sixth row are arranged in dark for five gray scales, that is, after the first compensation region 5 is arranged in a staggered manner, the dark lines are arranged at discontinuous intervals. Similarly, after compensation, taking the sub-pixels 4 in the fifth row and the sixth row as an example, the sub-pixels 4 in the first row and the second row are turned on for five gray scales, the sub-pixels 4 in the third row and the fourth row are not changed in brightness, the sub-pixels 4 in the fifth row and the sixth row are turned on for five gray scales, and the bright lines are also presented in a non-continuous interval arrangement manner.
Therefore, by adopting the technical scheme provided by the embodiment of the invention, the data volume of the compensation data can be reduced to a great extent, the storage volume of the compensation data in the driving chip is reduced, continuous dark lines and bright lines with longer lengths can be avoided after compensation, the recognition degree of human eyes on the dark lines and the bright lines is reduced, the compensation effect is improved, and the display quality is further improved.
Optionally, the pixel unit 3 includes sub-pixels 4 with multiple colors, at this time, as shown in fig. 6, fig. 6 is another flowchart of a compensation processing method of a display panel according to an embodiment of the present invention, and step S1 may specifically include:
step S11: and respectively shooting a plurality of pure-color pictures displayed by the display panel under a preset gray scale.
Step S12: and respectively acquiring compensation data of each sub-pixel 4 of the same color according to the actual display brightness of the sub-pixel 4 of the same color in the shot pure color picture.
For example, as shown in fig. 7, fig. 7 is another partial enlarged schematic view of fig. 1, taking an example that the pixel unit 3 includes a red sub-pixel 7, a green sub-pixel 8 and a blue sub-pixel 9, first, the red sub-pixel 7 in the display panel is driven to emit light at a preset gray scale, and compensation data corresponding to each red sub-pixel 7 is obtained according to an actual display brightness displayed by each red sub-pixel 7 in a captured red image; then, driving the green sub-pixels 8 in the display panel to emit light under a preset gray scale, and acquiring compensation data corresponding to each green sub-pixel 8 according to the actual display brightness displayed by each green sub-pixel 8 in the shot green picture; and finally, driving the blue sub-pixels 9 in the display panel to emit light under a preset gray scale, and acquiring compensation data corresponding to each blue sub-pixel 9 according to the actual display brightness displayed by each blue sub-pixel 9 in the shot blue picture. The sub-pixels 4 with different colors are driven to emit light in a grading manner, and the compensation data corresponding to the sub-pixels 4 with different colors are obtained in a grading manner, so that the accuracy of obtaining the compensation data can be improved, and the accurate compensation of the sub-pixels 4 is further realized.
Further, step S3 may specifically include: according to the position data of the first compensation area 5 and the acquired compensation data of each sub-pixel 4, common compensation data corresponding to the sub-pixels 4 of the same color in the first compensation area 5 are respectively determined, so that the sub-pixels 4 of the same color are compensated by using one common compensation data.
Taking fig. 7 as an example again, after the compensation data corresponding to each red sub-pixel 7 is obtained, the common compensation data corresponding to the plurality of red sub-pixels 7 is obtained according to the compensation data of the plurality of red sub-pixels 7 included in each first compensation region 5, for example, the common compensation data corresponding to the plurality of red sub-pixels 7 may be obtained by averaging the plurality of compensation data of the plurality of red sub-pixels 7, and during subsequent compensation, the plurality of red sub-pixels 7 in the first compensation region 5 are all compensated by using the common compensation data; the green sub-pixel 8 and the blue sub-pixel 9 are similar to each other, and will not be described herein. By adopting the compensation mode, when the n color sub-pixels 4 are arranged in the first compensation area 5, the n color sub-pixels 4 are compensated only by using n common compensation data, and each sub-pixel 4 is not required to be compensated independently, so that the data amount of the compensation data is reduced, and further, the storage amount of the compensation data in the driving chip is reduced.
Optionally, referring to fig. 2 again, the compensation processing method provided in the embodiment of the present invention further includes: when the display area 1 is divided into a plurality of sub-display areas 6, at least part of the sub-display areas 6 further comprise a second compensation area 10, the second compensation area 10 comprises a plurality of pixel units 3, and the number of the pixel units 3 in the second compensation area 10 is smaller than that of the pixel units 3 in the first compensation area 5; the compensation data for the sub-pixels 4 in the second compensation region 10 are determined from the position data of the second compensation region 10 and the acquired compensation data for the sub-pixels 4. By dividing the second compensation area 10 in part of the sub-display area 6 and compensating the sub-pixels 4 in the second compensation area 10, it can be ensured that all the sub-pixels 4 in the sub-display area 6 are compensated, and after the display panel is put into use, it can be ensured that the actual display values of all the sub-pixels 4 approach the target brightness value, and the display uniformity is better improved.
Optionally, when the pixel unit 3 includes sub-pixels 4 of multiple colors, determining the compensation data of the sub-pixels 4 in the second compensation region 10 according to the position data of the second compensation region 10 and the acquired compensation data of the sub-pixels 4 may specifically include: according to the position data of the second compensation area 10 and the acquired compensation data of each sub-pixel 4, common compensation data corresponding to the sub-pixels 4 of the same color in the second compensation area 10 are respectively determined, so that the sub-pixels 4 of the same color are compensated by using one common compensation data.
Taking fig. 7 as an example again, after the compensation data corresponding to each red sub-pixel 7 is obtained, the common compensation data corresponding to the plurality of red sub-pixels 7 is obtained according to the compensation data of the plurality of red sub-pixels 7 included in each second compensation region 10, for example, the common compensation data corresponding to the plurality of red sub-pixels 7 may be obtained by averaging the plurality of compensation data of the plurality of red sub-pixels 7, and during the subsequent compensation, the plurality of red sub-pixels 7 in the second compensation region 10 are all compensated by using the common compensation data; the green sub-pixel 8 and the blue sub-pixel 9 are similar to each other, and will not be described herein. By adopting the compensation mode, the sub-pixels 4 of the same color in the second compensation area 10 need to be compensated by adopting one common compensation data, and each sub-pixel 4 does not need to be compensated independently, so that the data volume of the compensation data is reduced.
Or, determining the compensation data of the sub-pixels 4 in the second compensation region 10 according to the position data of the second compensation region 10 and the acquired compensation data of the sub-pixels 4 may specifically include: and determining compensation data corresponding to each sub-pixel 4 in the second compensation area 10 according to the position data of the second compensation area 10 and the acquired compensation data of each sub-pixel 4, so that each sub-pixel 4 is compensated by using the corresponding compensation data.
Taking fig. 7 as an example again, after the compensation data corresponding to each red sub-pixel 7 is obtained, the compensation data corresponding to each red sub-pixel 7 in the second compensation region 10 is obtained according to the position information of each second compensation region 10, and the compensation data corresponding to each red sub-pixel 7 is used to compensate the compensation data. The green sub-pixel 8 and the blue sub-pixel 9 are similar to each other, and will not be described herein. By individually compensating the sub-pixels 4 in the second compensation region 10, the compensation accuracy of the sub-pixels 4 in the second compensation region 10 can be improved, and since the number of pixel units 3 in the second compensation region 10 is small, the sub-pixels 4 are correspondingly small, so that even if the sub-pixels 4 in the second compensation region 10 are individually compensated, the data amount of the compensation data is not excessively increased.
Optionally, referring to fig. 2 and fig. 7 again, in one sub-display area 6, the total number of the pixel units 3 included in all the second compensation areas 10 is less than or equal to the number of the pixel units 3 included in one first compensation area 5. With this dividing method, when the first compensation regions 5 in two adjacent sub-display regions 6 are arranged in a staggered manner in the first direction, in some of the sub-display regions 6, only the remaining small number of pixel units 3 caused by the misplacement of the first compensation regions 5 are divided into the second compensation regions 10, so that it is ensured that a large number of first compensation regions 5 are divided in the sub-display regions 6 as much as possible, and the data amount of compensation data is reduced to a greater extent.
Further, when the display area 1 is divided into the plurality of sub-display areas 6, the second compensation area 10 is located on one side, facing the frame area 2, of the first compensation area 5 in one sub-display area 6, at this time, in each sub-display area 6, the plurality of first compensation areas 5 are continuously arranged in the first direction, the second compensation area 10 is not arranged in the middle of the sub-display area, and therefore the dividing regularity of the first compensation areas 5 and the second compensation areas 10 is improved, and the control is easy.
Optionally, referring to fig. 8, fig. 8 is a schematic structural diagram of a first compensation region and a second compensation region provided in the embodiment of the present invention, when dividing the sub-display region 6, the first compensation region 5 includes four pixel units 3, and the second compensation region 10 includes two pixel units 3. In this division manner, the number of the pixel units 3 included in the first compensation region 5 is small, so that a small number of the sub-pixels 4 are compensated by using one common compensation data, and the sub-pixels 4 can be compensated more accurately, thereby improving the compensation accuracy.
Optionally, with reference to fig. 9, fig. 9 is another schematic structural diagram of the first compensation region and the second compensation region provided in the embodiment of the present invention, when dividing the sub-display region 6, the first compensation region 5 includes sixteen pixel units 3, at least a portion of the second compensation region 10 in the second compensation region 10 includes four pixel units 3, and/or at least a portion of the second compensation region 10 in the second compensation region 10 includes eight pixel units 3, and/or a portion of the second compensation region 10 in the second compensation region 10 includes twelve pixel units 3. In this division, the number of pixel units 3 included in the first compensation region 5 is large, and therefore, when the sub-pixels 4 are compensated by the common compensation data, the data amount of the compensation data can be reduced to a greater extent.
In addition, it should be further noted that the number of the pixel units 3 included in the first compensation region 5 and the second compensation region 10 and the arrangement manner of the first compensation region 5 and the second compensation region 10 illustrated in fig. 8 and 9 are only schematic illustrations, in other alternative embodiments of the present invention, the first compensation region 5 and the second compensation region 10 may also include other numbers of pixel units 3, and the second compensation region 10 may also be interspersed between the first compensation regions 5, which is not specifically limited in this embodiment of the present invention.
Fig. 10, with reference to fig. 1 and fig. 2, shows that fig. 10 is a schematic structural diagram of a compensation processing apparatus for a display panel according to an embodiment of the present invention, where the compensation processing apparatus includes a detection module 101, a compensation region division module 102, and a first compensation data generation module 103. The detection module 101 is configured to obtain compensation data corresponding to each sub-pixel 4 according to a picture displayed by the display panel under a preset gray scale; the compensation region dividing module 102 is configured to divide the display region 1 to include a plurality of sub-display regions 6 arranged along a first direction; wherein each sub-display area 6 comprises a plurality of first compensation regions 5 arranged along the second direction, each first compensation region 5 comprises a plurality of pixel units 3, and the first compensation regions 5 in two adjacent sub-display areas 6 are arranged in a staggered manner in the first direction, and the first direction intersects with the second direction; the first compensation data generation module 103 is electrically connected to the detection module 101 and the compensation region dividing module 102, and is configured to determine common compensation data corresponding to the sub-pixels 4 in the first compensation region 5 according to the position data of the first compensation region 5 and the acquired compensation data of the sub-pixels 4.
It should be noted that, after the compensation region dividing module 102 divides the first compensation region 5 and the first compensation data generating module 103 determines the common compensation data, the compensation region dividing module 102 transmits the position data of the first compensation region 5 to the driving chip, the first compensation data transmits the common compensation data to the driving chip, the driving chip stores the position data and the common compensation data, and after the display panel is put into use, the driving chip compensates the sub-pixels 4 in the plurality of first compensation regions 5 according to the stored position data and the common compensation data.
By adopting the compensation processing device provided by the embodiment of the invention, on one hand, the sub-pixels 4 in the first compensation area 5 are compensated by adopting the common compensation data, so that the data amount of the compensation data can be reduced to a great extent, and further, the storage amount of the compensation data in the driving chip is reduced. Furthermore, the first compensation regions 5 in the adjacent sub-display regions 6 are arranged in a staggered mode in the first direction, so that the existence of regularity errors can be broken, continuous dark lines and bright lines with long lengths are avoided, the recognition degree of human eyes on the dark lines and the bright lines is reduced, the compensation effect is improved, and the display quality is further improved.
Optionally, with reference to fig. 2, the compensation region dividing module 102 is further configured to: when the display area 1 is divided into a plurality of sub-display areas 6, at least part of the sub-display areas 6 further include a second compensation area 10, the second compensation area 10 includes a plurality of pixel units 3, and the number of the pixel units 3 in the second compensation area 10 is smaller than the number of the pixel units 3 in the first compensation area 5. At this time, as shown in fig. 11, fig. 11 is another schematic structural diagram of the compensation processing apparatus of the display panel according to the embodiment of the present invention, and the compensation processing apparatus further includes a second compensation data generating module 104, where the second compensation data generating module 104 is electrically connected to the detecting module 101 and the compensation region dividing module 102, respectively, and is configured to determine the compensation data of the sub-pixel 4 in the second compensation region 10 according to the position data of the second compensation region 10 and the acquired compensation data of the sub-pixel 4.
By dividing the second compensation area 10 in part of the sub-display area 6 and compensating the sub-pixels 4 in the second compensation area 10, it can be ensured that all the sub-pixels 4 in the sub-display area 6 are compensated, and after the display panel is put into use, it can be ensured that the actual display values of all the sub-pixels 4 approach the target brightness value, and the display uniformity is better improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (12)
1. The compensation processing method of the display panel is characterized in that the display panel comprises a display area and a frame area surrounding the display area, the display area comprises a plurality of pixel units which are arranged in a matrix form, and each pixel unit comprises a plurality of sub-pixels;
the compensation processing method comprises the following steps:
acquiring compensation data corresponding to each sub-pixel according to a picture displayed by a display panel under a preset gray scale;
dividing the display area to comprise a plurality of sub-display areas arranged along a first direction; wherein each of the sub-display regions includes a plurality of first compensation regions arranged along a second direction, each of the first compensation regions includes a plurality of the pixel units, and the first compensation regions in two adjacent sub-display regions are arranged in a staggered manner in the first direction, and the first direction intersects with the second direction;
and determining common compensation data corresponding to the sub-pixels in the first compensation area according to the position data of the first compensation area and the acquired compensation data of the sub-pixels.
2. The compensation processing method according to claim 1, wherein the pixel unit includes sub-pixels of a plurality of colors;
the acquiring compensation data corresponding to each sub-pixel according to the picture displayed by the display panel under the preset gray scale comprises:
respectively shooting a plurality of pure-color pictures displayed by the display panel under the preset gray scale;
and respectively acquiring the compensation data of each sub-pixel of the same color according to the actual display brightness of the sub-pixel of the same color in the shot pure color picture.
3. The compensation processing method according to claim 2,
the determining, according to the position data of the first compensation region and the acquired compensation data of the sub-pixels, common compensation data corresponding to the sub-pixels in the first compensation region includes:
and respectively determining common compensation data corresponding to the sub-pixels of the same color in the first compensation area according to the position data of the first compensation area and the acquired compensation data of each sub-pixel, so that the sub-pixels of the same color are compensated by using one common compensation data.
4. The compensation processing method according to claim 1, wherein the compensation processing method further comprises:
when the display area is divided into a plurality of the sub-display areas, at least part of the sub-display areas further comprise a second compensation area, the second compensation area comprises a plurality of the pixel units, and the number of the pixel units in the second compensation area is smaller than that in the first compensation area;
and determining the compensation data of the sub-pixels in the second compensation area according to the position data of the second compensation area and the acquired compensation data of the sub-pixels.
5. The compensation processing method according to claim 4, wherein the pixel unit includes sub-pixels of a plurality of colors;
the determining the compensation data of the sub-pixels in the second compensation area according to the position data of the second compensation area and the acquired compensation data of the sub-pixels comprises:
and respectively determining common compensation data corresponding to the sub-pixels of the same color in the second compensation area according to the position data of the second compensation area and the acquired compensation data of each sub-pixel, so that the sub-pixels of the same color are compensated by using one common compensation data.
6. The compensation processing method according to claim 4, wherein the determining the compensation data of the sub-pixels in the second compensation region according to the position data of the second compensation region and the acquired compensation data of the sub-pixels comprises:
and determining the compensation data corresponding to each sub-pixel in the second compensation area according to the position data of the second compensation area and the acquired compensation data of each sub-pixel, so that each sub-pixel is compensated by the corresponding compensation data.
7. The compensation processing method according to claim 4, wherein in one of the sub-display regions, the total number of the pixel units included in all of the second compensation regions is smaller than or equal to the number of the pixel units included in one of the first compensation regions.
8. The compensation processing method according to claim 4, wherein when the display area is divided into a plurality of the sub-display areas, the second compensation area is located on a side of the first compensation area facing the frame area in one of the sub-display areas.
9. The compensation processing method according to claim 4, wherein the first compensation region includes four pixel units and the second compensation region includes two pixel units when the sub-display region is divided.
10. The compensation processing method according to claim 4, wherein when the sub-display region is divided, the first compensation region comprises sixteen pixel units, at least part of the second compensation region comprises four pixel units, and/or at least part of the second compensation region comprises eight pixel units, and/or part of the second compensation region comprises twelve pixel units.
11. A compensation processing apparatus for a display panel, comprising:
the detection module is used for acquiring compensation data corresponding to each sub-pixel according to a picture displayed by the display panel under a preset gray scale;
the compensation area dividing module is used for dividing the display area to enable the display area to comprise a plurality of sub-display areas arranged along a first direction; wherein each of the sub-display regions includes a plurality of first compensation regions arranged along a second direction, each of the first compensation regions includes a plurality of the pixel units, and the first compensation regions in two adjacent sub-display regions are arranged in a staggered manner in the first direction, and the first direction intersects with the second direction;
the first compensation data generation module is electrically connected with the detection module and the compensation region division module respectively and is used for determining shared compensation data corresponding to the sub-pixels in the first compensation region according to the position data of the first compensation region and the acquired compensation data of the sub-pixels.
12. Compensation processing apparatus according to claim 11,
the compensation region division module is further configured to: when the display area is divided into a plurality of the sub-display areas, at least part of the sub-display areas further comprise a second compensation area, the second compensation area comprises a plurality of the pixel units, and the number of the pixel units in the second compensation area is smaller than that in the first compensation area;
the compensation processing apparatus further includes:
and the second compensation data generation module is respectively electrically connected with the detection module and the compensation region division module and is used for determining the compensation data of the sub-pixels in the second compensation region according to the position data of the second compensation region and the acquired compensation data of the sub-pixels.
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