CN113327551A - Display panel compensation method, compensation device and display device - Google Patents
Display panel compensation method, compensation device and display device Download PDFInfo
- Publication number
- CN113327551A CN113327551A CN202110668106.9A CN202110668106A CN113327551A CN 113327551 A CN113327551 A CN 113327551A CN 202110668106 A CN202110668106 A CN 202110668106A CN 113327551 A CN113327551 A CN 113327551A
- Authority
- CN
- China
- Prior art keywords
- sub
- image
- pixel
- compensation
- compensated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000032683 aging Effects 0.000 claims abstract description 40
- 238000005070 sampling Methods 0.000 claims abstract description 32
- 238000012935 Averaging Methods 0.000 claims description 6
- 239000003086 colorant Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 10
- 238000001514 detection method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- G09G3/22—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 using controlled light sources
- G09G3/30—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 using controlled light sources using electroluminescent panels
- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The embodiment of the invention discloses a compensation method and a compensation device of a display panel and a display device. The compensation method of the display panel comprises the following steps: the method comprises the steps of down-sampling an image to be displayed of a display panel to obtain an image to be compensated, wherein the number of sub-pixels of the display panel corresponding to the image to be compensated is smaller than the number of sub-pixels corresponding to the image to be displayed; determining compensation data of each sub-pixel corresponding to the image to be compensated; and determining the compensation data of each sub-pixel corresponding to the image to be displayed in the display panel according to the compensation data of each sub-pixel corresponding to the image to be compensated. According to the scheme of the embodiment of the invention, the aging compensation can be carried out on the display panel, and the display effect of the display panel is improved.
Description
Technical Field
The present invention relates to display technologies, and in particular, to a compensation method and a compensation apparatus for a display panel, and a display apparatus.
Background
An Organic Light Emitting Diode (OLED) display panel is a self-luminous display panel, and the OLED display panel is increasingly used in various high-performance display fields due to its advantages of lightness, thinness, high brightness, wide viewing angle, high response speed, and wide temperature range.
However, the existing OLED display panel may age to different degrees with the increase of the usage time, which affects the display effect.
Disclosure of Invention
The invention provides a compensation method and a compensation device of a display panel and a display device, which are used for carrying out aging compensation on the display panel and improving the display effect of the display panel.
In a first aspect, an embodiment of the present invention provides a compensation method for a display panel, including:
the method comprises the steps of down-sampling an image to be displayed of a display panel to obtain an image to be compensated, wherein the number of sub-pixels of the display panel corresponding to the image to be compensated is smaller than the number of sub-pixels corresponding to the image to be displayed;
determining compensation data of each sub-pixel corresponding to the image to be compensated;
and determining the compensation data of each sub-pixel corresponding to the image to be displayed in the display panel according to the compensation data of each sub-pixel corresponding to the image to be compensated.
Optionally, down-sampling an image to be displayed on the display panel to obtain an image to be compensated, including:
dividing an image to be displayed into a plurality of areas, wherein each area corresponds to m × n pixel units of a display panel; each pixel unit comprises at least three sub-pixels with different light-emitting colors, and m and n are positive integers greater than or equal to 2;
and averaging the display data of the sub-pixels with the same light-emitting color in the m × n pixel units of each area to obtain an image to be compensated, or reserving the data corresponding to one pixel unit at the same position in each area to obtain the image to be compensated.
Optionally, down-sampling an image to be displayed on the display panel to obtain an image to be compensated, including:
the method comprises the steps of deleting odd-numbered row display data and odd-numbered column or even-numbered column display data for p times on an image to be displayed to obtain an image to be compensated, or deleting even-numbered row display data and even-numbered column or odd-numbered column display data for p times on the image to be displayed to obtain the image to be compensated, wherein p is an integer larger than or equal to 1.
Optionally, obtaining the compensation data of each sub-pixel of the display panel according to the compensation data of each sub-pixel corresponding to the image to be compensated includes:
and interpolating the compensation data corresponding to the image to be compensated to obtain the compensation data of each sub-pixel of the display panel.
Optionally, interpolating the compensation data corresponding to the image to be compensated to obtain compensation data of each sub-pixel of the display panel, including:
interpolating the compensation data of two adjacent sub-pixels with the same color in the row direction of each sub-pixel to determine the compensation data of the sub-pixel;
or, interpolating the compensation data of two adjacent sub-pixels with the same color in the column direction of each sub-pixel to determine the compensation data of the sub-pixel;
or, interpolating the compensation data of the four same-color sub-pixels nearest to each sub-pixel to determine the compensation data of the sub-pixel.
Optionally, determining compensation data of each sub-pixel corresponding to the image to be compensated includes:
acquiring the equivalent aging duration of each sub-pixel corresponding to the image to be compensated;
and determining the compensation data of each sub-pixel according to the equivalent aging duration of each sub-pixel, the data to be displayed and the aging model.
In a second aspect, an embodiment of the present invention further provides a compensation apparatus for a display panel, including:
the down-sampling module is used for down-sampling an image to be displayed of the display panel to obtain an image to be compensated, wherein the number of sub-pixels of the display panel corresponding to the image to be compensated is smaller than the number of sub-pixels corresponding to the image to be displayed;
the compensation data acquisition module is used for determining the compensation data of each sub-pixel corresponding to the image to be compensated;
and the compensation determining module is used for determining the compensation data of each sub-pixel corresponding to the image to be displayed in the display panel according to the compensation data of each sub-pixel corresponding to the image to be compensated.
Optionally, the compensation determining module is specifically configured to:
and interpolating the compensation data corresponding to the image to be compensated to obtain the compensation data of each sub-pixel of the display panel.
Optionally, the compensation determining module is specifically configured to:
interpolating the compensation data of two adjacent sub-pixels with the same color in the row direction of each sub-pixel to determine the compensation data of the sub-pixel;
or, interpolating the compensation data of two adjacent sub-pixels with the same color in the column direction of each sub-pixel to determine the compensation data of the sub-pixel;
or, interpolating the compensation data of the four same-color sub-pixels nearest to each sub-pixel to determine the compensation data of the sub-pixel.
In a third aspect, an embodiment of the present invention further provides a display device, including a display panel and the compensation device for a display panel according to any embodiment of the present invention.
The compensation method of the display panel provided by the embodiment of the invention performs down-sampling on the image to be displayed to obtain the image to be compensated, reduces the image data, and retains the image information to the maximum extent, only needs to determine the aging compensation data of the sub-pixels corresponding to the image to be compensated in the aging stage, reduces the data operation amount in the aging compensation detection stage, and only needs to store the aging data of the sub-pixels corresponding to the image to be displayed and the like by the display panel, so that the stored data amount is reduced, and finally performs up-sampling on the aging compensation data of the image to be displayed, so that the aging data is restored to the original image size, each original image data to be displayed has the corresponding aging compensation data, and the compensation data amount is reduced while the better compensation effect is ensured, and the display effect of the display panel is improved.
Drawings
FIG. 1 is a schematic diagram of a compensation method for a display panel according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an image to be displayed on a display panel according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of interpolation of a sub-pixel according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a compensation apparatus for a display panel according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a display device according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
As mentioned in the background, the conventional OLED display panel may age to different degrees with the increase of the usage time, which affects the display effect of the display panel, and the aging compensation is usually required for the display panel, however, the compensation method of the prior art needs to operate the aging data of each sub-pixel, resulting in a huge amount of data.
Based on the above problem, the present embodiment provides a compensation method for a display panel, and fig. 1 is a schematic diagram of the compensation method for a display panel provided by the embodiment of the present invention, and referring to fig. 1, the method includes:
and 110, down-sampling an image to be displayed of the display panel to obtain an image to be compensated, wherein the number of sub-pixels of the display panel corresponding to the image to be compensated is smaller than the number of sub-pixels corresponding to the image to be displayed.
The image to be displayed is an image to be displayed by the display panel. The new sequence is obtained by sampling a sample sequence several samples apart, and thus is a down-sampling of the original sequence. The resolution of the image to be displayed is M N, the image is subjected to N times of down-sampling processing, a down-sampling result image with the resolution of (M/N) N/N can be obtained, and the image to be compensated after down-sampling is the thumbnail of the image to be displayed. The down-sampling process for the image to be displayed may include the following steps: the method includes the steps that a row of data can be reserved every other set row of an image to be displayed, a column of data can be reserved every other set column of the image to be displayed, the image to be compensated is obtained, the image to be displayed can be divided into a plurality of sampling areas by adopting an m x n sampling window, each sampling area comprises m x n pixels, the display data of each sampling area are subjected to the same setting processing, the final display data of the sampling area are obtained, and therefore the image to be compensated is obtained.
And step 120, determining compensation data of each sub-pixel corresponding to the image to be compensated.
The display data of each position of the image to be displayed corresponds to the sub-pixels of the corresponding position of the display panel, and the corresponding relation between the display data of the image to be compensated and the sub-pixels of the image to be displayed, which are obtained by down-sampling the image to be displayed, still conforms to the corresponding relation between the image to be displayed and the sub-pixels. Data such as aging parameters of the sub-pixels at the corresponding positions of the image to be compensated can be stored in advance, and the compensation data of each sub-pixel corresponding to the image to be compensated can be determined according to the aging parameters. The image to be compensated is obtained by down-sampling the image to be displayed, image data is reduced, image information is reserved to the maximum extent, aging compensation data of the sub-pixels corresponding to the image to be compensated only need to be determined in an aging stage, the data size in the aging compensation stage is reduced, the display panel only needs to store the aging data and the like of the sub-pixels corresponding to the image to be displayed, and the data size is reduced.
Specifically, the compensation data corresponding to the image to be compensated may be up-sampled to obtain the compensation data of each sub-pixel corresponding to the image to be displayed in the display panel. For example, the compensation data corresponding to the image to be compensated may be interpolated to obtain the compensation data of each sub-pixel.
The compensation method for the display panel provided by this embodiment performs downsampling on an image to be displayed to obtain an image to be compensated, reduces image data, and furthest retains image information, only needs to determine aging compensation data of a sub-pixel corresponding to the image to be compensated in an aging stage, reduces data amount in an aging compensation detection stage, and the display panel only needs to store the aging data of the sub-pixel corresponding to the image to be displayed, and reduces stored data amount, and finally performs upsampling on the aging compensation data of the image to be displayed, so that the aging data is restored to an original image size, each original image data to be displayed has corresponding aging compensation data, and thus, a better compensation effect is ensured, and the display effect of the display panel is improved, and meanwhile, the compensation data amount is reduced.
Fig. 2 is a schematic diagram of an image to be displayed on a display panel according to an embodiment of the present invention, and optionally, referring to fig. 2, the down-sampling the image to be displayed on the display panel to obtain an image to be compensated, where the image to be displayed on the display panel includes:
dividing an image to be displayed into a plurality of areas 10, wherein each area 10 corresponds to m × n pixel units 11 of a display panel; each pixel unit 11 includes at least three sub-pixels with different light emitting colors, and m and n are positive integers greater than or equal to 2;
the image to be compensated is obtained by averaging the display data of the sub-pixels with the same light emission color in the m × n pixel units 11 of each region 10, or the image to be compensated is obtained by reserving the data corresponding to one pixel unit 11 at the same position in each region 10.
M and n may be equal or unequal, values of m and n may be set according to the compensation precision requirement and the operation data amount requirement, which is not specifically limited in this embodiment, and exemplary m and m may take data such as 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, and the like.
Specifically, referring to fig. 2, the display data of one pixel unit 11 is obtained by averaging the display data of the sub-pixels with the same light-emitting color in each area 10, and the display data may correspond to any one pixel unit 11 in the area 10, for example, the display data may be used as the data of the pixel unit 11 at the center position of the area 10, and the compensation data determined according to the display data is the compensation data corresponding to the pixel unit at the center position. The image characteristics of each area 10 can be retained to a large extent by averaging the display data of a plurality of pixel units in each area 10, and the averaging operation speed is high, so that the down-sampling speed can be increased, and the compensation speed can be increased.
In addition, referring to fig. 2, each region 10 may retain the display data of the sub-pixels 11 at any position, and the display data left by each region 10 finally constitutes the image to be compensated. The method does not need calculation, and can further improve the speed of down sampling, thereby improving the compensation speed.
Optionally, down-sampling an image to be displayed on the display panel to obtain an image to be compensated, including:
the method comprises the steps of deleting odd-numbered row display data and odd-numbered column or even-numbered column display data for p times on an image to be displayed to obtain an image to be compensated, or deleting even-numbered row display data and even-numbered column or odd-numbered column display data for p times on the image to be displayed to obtain the image to be compensated, wherein p is an integer larger than or equal to 1.
Specifically, the odd (even) rows and the odd (even) columns of the image to be displayed may be deleted directly to obtain a first intermediate image, the odd (even) rows and the odd (even) columns of the first intermediate image may be deleted to obtain a second intermediate image, the odd (even) rows and the odd (even) columns of the second intermediate image may be deleted to obtain a third intermediate image, and the odd (even) rows and the odd (even) columns may be deleted several times to obtain an image to be compensated. p may be 1, 2, 3, 4, 5, etc., and this embodiment is not particularly limited, and the specific value of p may be set according to the compensation precision and the requirement of the calculation data amount. The method can set the deletion times according to the downsampling multiple, so that downsampling operation is more flexible and easy to realize.
Optionally, obtaining the compensation data of each sub-pixel of the display panel according to the compensation data of each sub-pixel corresponding to the image to be compensated includes:
and interpolating the compensation data corresponding to the image to be compensated to obtain the compensation data of each sub-pixel of the display panel.
Specifically, interpolation may be performed in the row direction according to the compensation data of the sub-pixels in each row of the image to be compensated to obtain compensation data corresponding to the sub-pixels in the row direction adjacent to the sub-pixels of the image to be compensated, then interpolation is performed on each column of the sub-pixels according to the compensation data of the sub-pixels in each column of the image to be compensated to obtain compensation data corresponding to the sub-pixels in the column direction adjacent to the sub-pixels of the image to be compensated, and interpolation in the row direction and interpolation in the column direction are performed again according to the data obtained by interpolation until the compensation data of all the sub-pixels are obtained.
Because the display data and the aging degree of the sub-pixels with the same color, which are closer to each other, are close to each other, the embodiment performs interpolation on the compensation data corresponding to the image to be compensated to obtain the compensation data of each sub-pixel of the display panel, so that the compensation operation amount is reduced, and the compensation data of each sub-pixel can be ensured to better compensate the aging degree of the sub-pixel.
Optionally, interpolating the compensation data corresponding to the image to be compensated to obtain compensation data of each sub-pixel of the display panel, including:
interpolating the compensation data of two adjacent sub-pixels with the same color in the row direction of each sub-pixel to determine the compensation data of the sub-pixel;
or, interpolating the compensation data of two adjacent sub-pixels with the same color in the column direction of each sub-pixel to determine the compensation data of the sub-pixel;
or, interpolating the compensation data of the four same-color sub-pixels nearest to each sub-pixel to determine the compensation data of the sub-pixel.
Fig. 3 is a schematic diagram of interpolation of a sub-pixel according to an embodiment of the present invention, and specifically, referring to fig. 3, for a sub-pixel having known compensation data of a sub-pixel adjacent to the sub-pixel in the row direction, a compensation value of the sub-pixel can be obtained by directly performing linear interpolation on the compensation data of the sub-pixel adjacent to the sub-pixel in the row direction. For example, in fig. 3, the sub-pixels Q12, Q22, Q11, and Q21 are the sub-pixels corresponding to the image to be compensated, and then the compensation data of Q12, Q22, Q11, and Q21 are known. Q12, Q22, Q11, Q21, R1, R2 and P are sub-pixels of the same emission color, R1 is adjacent to Q11 and Q21 in the row direction, and R2 is adjacent to Q12 and Q22 in the row direction, then the compensation value f (Q11) and f (Q21) of Q11 and Q21 can be interpolated to obtain the compensation value f (R1) of R1, and the compensation value f (Q12) and f (Q22) of Q12 and Q22 can be interpolated to obtain the compensation value f (R2) of R2, the calculation formula is as follows:
wherein, the coordinates of R1 are (x, y1), the coordinates of R2 are (x, y2), the coordinates of Q11 are (x1, y1), the coordinates of Q12 are (x1, y2), the coordinates of Q21 are (x2, y1), the coordinates of Q22 are (x2, y2), and x1< x < x 2.
Similarly, for the sub-pixel having known compensation data of the sub-pixel adjacent to the sub-pixel in the column direction, the compensation data of the sub-pixel adjacent to the sub-pixel in the column direction can be directly subjected to linear interpolation to obtain the compensation value.
For example, for a P sub-pixel with coordinates (x, y), y1< y < y2 if the compensation value f (R1) of the R1 sub-pixel and the compensation value f (R2) of the R2 sub-pixel adjacent to the column direction are known, the compensation value f (x, y) of the P sub-pixel can be determined according to the following formula:
in addition, for a sub-pixel for which there is no known compensation data for adjacent sub-pixels in both the row direction and the column direction, the compensation data for the nearest four same-color sub-pixels may be interpolated to determine the compensation data for that sub-pixel. For example, referring to fig. 3, for a P sub-pixel, the four nearest sub-pixels are Q12, Q22, Q11 and Q21, the compensation data of R1 and R2 sub-pixels can be obtained by first interpolating according to the compensation data of Q12, Q22, Q11 and Q21, and then the compensation data of R1 and R2 sub-pixels are interpolated to obtain the compensation data f (x, y) of P:
in the embodiment, the compensation data of the sub-pixels adjacent to each other in the row direction of the sub-pixels, or the compensation data of the sub-pixels adjacent to each other in the column direction, or the compensation data of the four sub-pixels closest to each other are interpolated to obtain the compensation data of the sub-pixels.
It should be noted that this embodiment merely illustrates a case where compensation data is obtained by performing linear interpolation on compensation data of adjacent same-color sub-pixels, but the present invention is not limited thereto, and in other embodiments, an interpolation scheme may be determined according to aging characteristics of the sub-pixels of the display panel, for example, compensation data may be obtained by performing linear interpolation on compensation data of adjacent same-color sub-pixels and then multiplying the compensation data by a set coefficient.
Optionally, determining compensation data of each sub-pixel corresponding to the image to be compensated includes:
acquiring the equivalent aging duration of each sub-pixel corresponding to the image to be compensated;
and determining the compensation data of each sub-pixel according to the equivalent aging duration of each sub-pixel, the data to be displayed and the aging model.
Specifically, the data to be displayed is display data corresponding to the sub-pixel in the image to be displayed. The equivalent display duration can be determined according to the gray scale displayed each time in the display history of the sub-pixels and the display time of the gray scale, and all the equivalent display durations are accumulated to obtain the equivalent aging duration. And obtaining the attenuation degree of the brightness or luminous efficiency according to the equivalent aging duration and the aging model, and determining the compensation data of each sub-pixel according to the attenuation degree and the data to be displayed. The equivalent aging duration of each sub-pixel may be stored in advance and automatically updated after each display.
Fig. 4 is a schematic diagram of a compensation apparatus for a display panel according to an embodiment of the present invention, and with reference to fig. 4:
the down-sampling module 210 is configured to down-sample an image to be displayed on a display panel to obtain an image to be compensated, where the number of sub-pixels of the display panel corresponding to the image to be compensated is smaller than the number of sub-pixels corresponding to the image to be displayed;
a compensation data obtaining module 220, configured to obtain compensation data of each sub-pixel corresponding to the image to be compensated;
and the compensation determining module 230 is configured to determine the compensation data of each sub-pixel corresponding to the image to be displayed on the display panel according to the compensation data of each sub-pixel corresponding to the image to be compensated.
Optionally, the compensation determining module is specifically configured to:
and interpolating the compensation data corresponding to the image to be compensated to obtain the compensation data of each sub-pixel of the display panel.
Optionally, the compensation determining module is specifically configured to:
interpolating the compensation data of two adjacent sub-pixels in the row direction of each sub-pixel to determine the compensation data of the sub-pixel;
or, interpolating the compensation data of two adjacent sub-pixels in the column direction of each sub-pixel to determine the compensation data of the sub-pixel;
or, the compensation data of the four sub-pixels nearest to each sub-pixel is interpolated to determine the compensation data of the sub-pixel.
The compensation device of the display panel provided by the embodiment and the compensation method of the display panel provided by any embodiment of the invention belong to the same inventive concept, and have corresponding beneficial effects, and detailed technical details in the embodiment are not shown in the compensation method of the display panel provided by any embodiment of the invention.
Fig. 5 is a schematic diagram of a display device according to an embodiment of the present invention, and referring to fig. 5, a display device 100 includes a display panel 200 and a compensation device 300 of the display panel according to any embodiment of the present invention. The display device 100 may be a smart display device such as a mobile phone, a tablet, and a smart watch.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious modifications, rearrangements, combinations and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A compensation method for a display panel, comprising:
the method comprises the steps of down-sampling an image to be displayed of a display panel to obtain an image to be compensated, wherein the number of sub-pixels of the display panel corresponding to the image to be compensated is smaller than the number of sub-pixels corresponding to the image to be displayed;
determining compensation data of each sub-pixel corresponding to the image to be compensated;
and determining the compensation data of each sub-pixel corresponding to the image to be displayed in the display panel according to the compensation data of each sub-pixel corresponding to the image to be compensated.
2. The compensation method of claim 1, wherein down-sampling an image to be displayed on a display panel to obtain the image to be compensated comprises:
dividing an image to be displayed into a plurality of areas, wherein each area corresponds to m × n pixel units of a display panel; each pixel unit comprises at least three sub-pixels with different light-emitting colors, and m and n are positive integers greater than or equal to 2;
and averaging the display data of the sub-pixels with the same light-emitting color in the m × n pixel units of each area to obtain an image to be compensated, or reserving the data corresponding to one pixel unit at the same position in each area to obtain the image to be compensated.
3. The compensation method of claim 1, wherein down-sampling an image to be displayed on a display panel to obtain the image to be compensated comprises:
the method comprises the steps of deleting odd-numbered row display data and odd-numbered column or even-numbered column display data for p times on an image to be displayed to obtain an image to be compensated, or deleting even-numbered row display data and even-numbered column or odd-numbered column display data for p times on the image to be displayed to obtain the image to be compensated, wherein p is an integer larger than or equal to 1.
4. The compensation method according to claim 1, wherein obtaining the compensation data of each sub-pixel of the display panel according to the compensation data of each sub-pixel corresponding to the image to be compensated comprises:
and interpolating the compensation data corresponding to the image to be compensated to obtain the compensation data of each sub-pixel of the display panel.
5. The compensation method according to claim 4, wherein interpolating the compensation data corresponding to the image to be compensated to obtain the compensation data of each sub-pixel of the display panel comprises:
interpolating the compensation data of two adjacent sub-pixels with the same color in the row direction of each sub-pixel to determine the compensation data of the sub-pixel;
or, interpolating the compensation data of two adjacent sub-pixels with the same color in the column direction of each sub-pixel to determine the compensation data of the sub-pixel;
or, interpolating the compensation data of the four same-color sub-pixels nearest to each sub-pixel to determine the compensation data of the sub-pixel.
6. The compensation method of claim 1, wherein determining the compensation data for each sub-pixel corresponding to the image to be compensated comprises:
acquiring the equivalent aging duration of each sub-pixel corresponding to the image to be compensated;
and determining the compensation data of each sub-pixel according to the equivalent aging duration of each sub-pixel, the data to be displayed and the aging model.
7. A compensation apparatus for a display panel, comprising:
the down-sampling module is used for down-sampling an image to be displayed of the display panel to obtain an image to be compensated, wherein the number of sub-pixels of the display panel corresponding to the image to be compensated is smaller than the number of sub-pixels corresponding to the image to be displayed;
the compensation data acquisition module is used for determining the compensation data of each sub-pixel corresponding to the image to be compensated;
and the compensation determining module is used for determining the compensation data of each sub-pixel corresponding to the image to be displayed in the display panel according to the compensation data of each sub-pixel corresponding to the image to be compensated.
8. The compensation arrangement of claim 7, wherein the compensation determination module is specifically configured to:
and interpolating the compensation data corresponding to the image to be compensated to obtain the compensation data of each sub-pixel of the display panel.
9. The compensation arrangement of claim 8, wherein the compensation determination module is specifically configured to:
interpolating the compensation data of two adjacent sub-pixels with the same color in the row direction of each sub-pixel to determine the compensation data of the sub-pixel;
or, interpolating the compensation data of two adjacent sub-pixels with the same color in the column direction of each sub-pixel to determine the compensation data of the sub-pixel;
or, interpolating the compensation data of the four same-color sub-pixels nearest to each sub-pixel to determine the compensation data of the sub-pixel.
10. A display device characterized by comprising a display panel and a compensation device of the display panel according to any one of claims 7 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110668106.9A CN113327551A (en) | 2021-06-16 | 2021-06-16 | Display panel compensation method, compensation device and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110668106.9A CN113327551A (en) | 2021-06-16 | 2021-06-16 | Display panel compensation method, compensation device and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113327551A true CN113327551A (en) | 2021-08-31 |
Family
ID=77423284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110668106.9A Pending CN113327551A (en) | 2021-06-16 | 2021-06-16 | Display panel compensation method, compensation device and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113327551A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115691394A (en) * | 2022-11-16 | 2023-02-03 | 昆山国显光电有限公司 | A display compensation method, device, equipment, display device and storage medium |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0512428A (en) * | 1991-07-05 | 1993-01-22 | Nec Corp | Data interpolating system |
| CN102280097A (en) * | 2011-08-31 | 2011-12-14 | 广东威创视讯科技股份有限公司 | Display brightness and chrominance uniformity regulating method |
| KR20140075040A (en) * | 2012-12-07 | 2014-06-19 | 엘지디스플레이 주식회사 | Organic light emitting display device and method for driving theteof |
| CN106952627A (en) * | 2017-05-03 | 2017-07-14 | 深圳市华星光电技术有限公司 | A kind of mura phenomenons compensation method of display panel and display panel |
| CN108460795A (en) * | 2018-03-05 | 2018-08-28 | 成都通甲优博科技有限责任公司 | Inverted pyramid formula binocular solid matching process and system |
| CN109377945A (en) * | 2018-11-08 | 2019-02-22 | 京东方科技集团股份有限公司 | Pixel compensation method, apparatus and system |
| CN110047433A (en) * | 2018-01-17 | 2019-07-23 | 三星显示有限公司 | The method for deteriorating the deterioration of compensation device, display device and compensation display device |
| CN110751923A (en) * | 2019-11-28 | 2020-02-04 | 北京加益科技有限公司 | Hybrid aging compensation method and device, electronic equipment and readable storage medium |
-
2021
- 2021-06-16 CN CN202110668106.9A patent/CN113327551A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0512428A (en) * | 1991-07-05 | 1993-01-22 | Nec Corp | Data interpolating system |
| CN102280097A (en) * | 2011-08-31 | 2011-12-14 | 广东威创视讯科技股份有限公司 | Display brightness and chrominance uniformity regulating method |
| KR20140075040A (en) * | 2012-12-07 | 2014-06-19 | 엘지디스플레이 주식회사 | Organic light emitting display device and method for driving theteof |
| CN106952627A (en) * | 2017-05-03 | 2017-07-14 | 深圳市华星光电技术有限公司 | A kind of mura phenomenons compensation method of display panel and display panel |
| CN110047433A (en) * | 2018-01-17 | 2019-07-23 | 三星显示有限公司 | The method for deteriorating the deterioration of compensation device, display device and compensation display device |
| CN108460795A (en) * | 2018-03-05 | 2018-08-28 | 成都通甲优博科技有限责任公司 | Inverted pyramid formula binocular solid matching process and system |
| CN109377945A (en) * | 2018-11-08 | 2019-02-22 | 京东方科技集团股份有限公司 | Pixel compensation method, apparatus and system |
| CN110751923A (en) * | 2019-11-28 | 2020-02-04 | 北京加益科技有限公司 | Hybrid aging compensation method and device, electronic equipment and readable storage medium |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115691394A (en) * | 2022-11-16 | 2023-02-03 | 昆山国显光电有限公司 | A display compensation method, device, equipment, display device and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9159258B2 (en) | Display device, and optical compensation system and optical compensation method thereof | |
| US9240033B2 (en) | Image super-resolution reconstruction system and method | |
| CN109672451B (en) | demura data compression method, and mura compensation method and device | |
| CN104867453B (en) | The dot structure conversion method and its device of display screen | |
| JP7303120B2 (en) | Optical compensation method and optical compensation device for display panel | |
| US10204537B2 (en) | Display driving method and device and display device | |
| EP3151229A1 (en) | Display device brightness compensation method, brightness compensation apparatus, and display device | |
| US8830402B2 (en) | Image processing circuit and method thereof | |
| EP2436179B1 (en) | Display device | |
| KR101340427B1 (en) | Improved memory structures for image processing | |
| CN114138224B (en) | Rendering method and device for sub-pixels in image, computer equipment and storage medium | |
| CN111599307B (en) | Pixel compensation method and information processing device of OLED display panel | |
| US20190206370A1 (en) | Data compression and decompression method for demura table | |
| CN107656717B (en) | Display method, image processing module and display device | |
| CN109754443B (en) | Image data conversion method, device and storage medium | |
| CN112053658A (en) | Two-dimensional temperature compensation for pixel drive compensation | |
| CN111899690A (en) | Method and device for improving low-brightness Mura | |
| CN112509506A (en) | Brightness compensation method, brightness compensation circuit and display device | |
| US10650491B2 (en) | Image up-scale device and method | |
| CN115713917A (en) | Display device and method for compensating brightness and chroma thereof | |
| CN113327551A (en) | Display panel compensation method, compensation device and display device | |
| CN115588409A (en) | Sub-pixel rendering method and device and display equipment | |
| WO2017063227A1 (en) | Display device and display method thereof | |
| CN110364104B (en) | Picture color overflow method, device, equipment and computer readable storage medium for display equipment | |
| CN101527125B (en) | Image display device and image data compensation method and image data compensation device of same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |