CN107068035B - Display method and display device - Google Patents

Display method and display device Download PDF

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CN107068035B
CN107068035B CN201710221304.4A CN201710221304A CN107068035B CN 107068035 B CN107068035 B CN 107068035B CN 201710221304 A CN201710221304 A CN 201710221304A CN 107068035 B CN107068035 B CN 107068035B
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CN107068035A (en
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代斌
张小牤
杨全
习艳会
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BOE Technology Group Co Ltd
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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
    • G09G3/2003—Display of colours
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/04—Changes in size, position or resolution of an image
    • G09G2340/0457—Improvement of perceived resolution by subpixel rendering

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Abstract

The invention discloses a display method and a display device, which are used for reducing the consumption of hardware resources in the process of image rendering. The display panel applicable to the display method is a display panel with a BV3 pixel structure, and comprises the following components: receiving input image information corresponding to a Real RGB pixel structure; determining the type of an image to be displayed according to the image information, and selecting different image rendering methods to process the image information into new image information when the types of the images to be displayed are different; the type of the image to be displayed comprises a character type and a non-character type; and driving the BV3 display panel with a pixel structure according to the new image information to display the image to be displayed.

Description

Display method and display device
Technical Field
The invention relates to the technical field of display, in particular to a display method and a display device.
Background
With the development of display technology, the resolution of the display screen is higher and higher, and the display screen with high resolution has the problems of large data processing amount and difficult transmission, and the display panel adopting the BV3 pixel structure in the prior art solves the problems of large data processing amount and difficult transmission, and the BV3 pixel structure is shown in fig. 1 and comprises a plurality of red (R) sub-pixels, green (G) sub-pixels and blue (B) sub-pixels which are arranged in an array, in the column direction, the sub-pixels of the same color are not adjacent, and the sub-pixels of odd rows and even rows are not aligned, that is, different rows in the display panel of the BV3 pixel structure are not aligned, that is, the starting positions of adjacent rows are "staggered" by half of sub-pixels, so that in the column direction, each sub-pixel (the sub-pixel without edge) is adjacent to and located between two sub-pixels of one adjacent row, at the moment, the three sub-pixels with different colors are crossed and are in a shape similar to a Chinese character 'pin'.
The image information input into the BV3 pixel structure display panel is the image information of the Real RGB pixel structure, which is shown in fig. 2 and includes a plurality of R, G and B sub-pixels arranged in an array, in the column direction, the sub-pixels of the same color are adjacent, and the sub-pixels of the odd-numbered lines and the sub-pixels of the even-numbered lines are aligned; and the size of two second pixels 21 composed of adjacent six sub-pixels in the Real RGB pixel structure is the same as the size of one first pixel 11 composed of adjacent three sub-pixels in the BV3 pixel structure.
Because the image information input into the display panel with the BV3 pixel structure is the image information with the Real RGB pixel structure, the image information corresponding to the Real RGB pixel structure needs to be rendered into the image information corresponding to the BV3 pixel structure by using an image rendering method.
In summary, in the prior art, since the same image rendering method is used for the characters, the scenery and the people during the rendering process, the consumed hardware resources are large; in addition, the image rendering method adopted by the prior art may cause a problem that when a very thin font appears in the display content, the processed font may appear blurred.
Disclosure of Invention
In view of this, embodiments of the present invention provide a display method and a display apparatus, which are used to reduce consumption of hardware resources during an image rendering process.
The display method provided by the embodiment of the invention is suitable for a display panel with a BV3 pixel structure, wherein the BV3 pixel structure comprises a plurality of first sub-pixels arranged in an array, and the method comprises the following steps:
receiving input image information corresponding to a Real RGB pixel structure, wherein the Real RGB pixel structure comprises a plurality of second sub-pixels arranged in an array;
determining the type of an image to be displayed according to the image information, and selecting different image rendering methods to process the image information into new image information when the types of the images to be displayed are different; the type of the image to be displayed comprises a character type and a non-character type;
and driving the display panel with the BV3 pixel structure to display the image to be displayed according to the new image information.
The display method provided by the embodiment of the invention comprises the following steps: receiving input image information corresponding to a Real RGB pixel structure; determining the type of an image to be displayed according to the image information, and selecting different image rendering methods to process the image information into new image information when the types of the images to be displayed are different; the type of the image to be displayed comprises a character type and a non-character type; finally, driving a display panel with a BV3 pixel structure to display according to the processed new image information; compared with the prior art that the same image rendering method is used for image processing regardless of the type of the image to be displayed, such as characters, scenery and people, in the image rendering process, the embodiment of the invention can reduce the operation memory consumption of the rendering method in the image rendering process, and further reduce the consumption of hardware resources.
Preferably, when the types of the images to be displayed are different, selecting a different image rendering method to process the image information into new image information includes:
if the type of the image to be displayed is a character type, processing the image information into first image information according to a first image rendering method, and if the type of the image to be displayed is a non-character type, processing the image information into second image information according to a second image rendering method; wherein:
the first image rendering method multiplies the gray values corresponding to the adjacent M second sub-pixels with the same color by respective weight coefficients respectively and then adds the gray values to obtain a first gray value corresponding to the first sub-pixel with the same color as the second sub-pixel; the second image rendering method multiplies the gray values corresponding to the adjacent N second sub-pixels of the same color by respective weight coefficients, and then adds the gray values to obtain a second gray value corresponding to the first sub-pixel of the same color as the second sub-pixel, wherein M, N is a positive integer greater than or equal to 2, and M is smaller than N.
Preferably, the first image rendering method specifically includes: respectively multiplying the gray values corresponding to the second sub-pixels of the two adjacent same colors by respective weight coefficients, and then adding to obtain a first gray value corresponding to the first sub-pixel with the same color as the second sub-pixel;
the second image rendering method specifically includes: and respectively multiplying the gray values corresponding to the adjacent four second sub-pixels with the same color by respective weight coefficients, and then adding to obtain a second gray value corresponding to the first sub-pixel with the same color as the second sub-pixel.
Preferably, when the first image rendering method is adopted, the sum of two weighting coefficients multiplied by the gray values corresponding to the second sub-pixels of two adjacent same colors is 1;
when the second image rendering method is adopted, the sum of four weighting coefficients multiplied by the gray values corresponding to the adjacent four second sub-pixels with the same color is 1.
Preferably, the first image rendering method includes a first odd line rendering method and a first even line rendering method; wherein:
the first odd line rendering method includes:
Figure BDA0001263847560000041
Figure BDA0001263847560000042
Figure BDA0001263847560000043
wherein: x is an odd number, y is a positive integer, x represents the number of rows of the first pixel or the second pixel, and y represents the number of columns of the first pixel or the second pixel;
Rxyindicating the gray value, G, corresponding to the first red sub-pixel located at the x-th row and y-th columnxyRepresenting the gray value corresponding to the first green sub-pixel located in the x-th row and y-th column, BxyRepresenting the gray value corresponding to the first blue sub-pixel positioned in the x row and the y column;
rxyrepresenting the gray value, g, corresponding to the second red sub-pixel located in the x-th row and y-th columnxyRepresenting the gray value corresponding to the second green sub-pixel located in the x-th row and y-th column, bxyIndicating that the second blue sub-pixel located in the x-th row and y-th column corresponds toGray value;
the first even line rendering method includes:
Bmn＝β1bmn+β2bm(n+1) Bm(n+1)＝β1bm(n+2)+β2bm(n+3)
Rmn＝μ1rmn+μ2rm(n+1)； Rm(n+1)＝μ1rm(n+2)+μ2rm(n+3)
Gmn＝μ1gmn+μ2gm(n+1) Gm(n+1)＝μ1gm(n+2)+μ2gm(n+3)
wherein: m is an even number, n is a positive integer, m represents the number of rows of the first pixel or the second pixel, and n represents the number of columns of the first pixel or the second pixel;
Rmnindicating the gray value, G, corresponding to the first red sub-pixel located at the m-th row and n-th columnmnRepresenting the gray value, B, corresponding to the first green sub-pixel located in the mth row and nth columnmnRepresenting the gray value corresponding to the first blue sub-pixel positioned in the mth row and the nth column;
rmnindicating the gray value, g, corresponding to the second red sub-pixel located in the mth row and nth columnmnRepresenting the gray value corresponding to the second green sub-pixel located in the mth row and nth column, bmnRepresenting the gray value corresponding to the second blue sub-pixel positioned in the mth row and the nth column;
Figure BDA0001263847560000044
β1、β2、μ1and mu2Representing the weight coefficients.
Preferably, the
Figure BDA0001263847560000045
β1、β2、μ1And mu2Satisfies the following conditions:
Figure BDA0001263847560000051
β1+β2＝1；μ1+μ2＝1。
preferably, the second image rendering method includes a second odd line rendering method and a second even line rendering method; wherein:
the second odd line rendering method includes:
Figure BDA0001263847560000052
Figure BDA0001263847560000053
Figure BDA0001263847560000054
Figure BDA0001263847560000055
Figure BDA0001263847560000056
Figure BDA0001263847560000057
wherein: x is an odd number, y is a positive integer, x represents the number of rows of the first pixel or the second pixel, and y represents the number of columns of the first pixel or the second pixel;
Rxyindicating the gray value, G, corresponding to the first red sub-pixel located at the x-th row and y-th columnxyRepresenting the gray value corresponding to the first green sub-pixel located in the x-th row and y-th column, BxyRepresenting the gray value corresponding to the first blue sub-pixel positioned in the x row and the y column;
rxyindicating the gray corresponding to the second red sub-pixel located at the x-th row and y-th columnValue of gxyRepresenting the gray value corresponding to the second green sub-pixel located in the x-th row and y-th column, bxyRepresenting the gray value corresponding to the second blue sub-pixel positioned in the x row and the y column;
the second even line rendering method includes:
Bmn＝β1bmn+β2bm(n+1)+β3bm(n+2)+β4bm(n+3)
Rmn＝μ1rmn+μ2rm(n+1)+μ3rm(n+2)+μ4rm(n+3)
Gmn＝μ1gmn+μ2gm(n+1)+μ3gm(n+2)+μ4gm(n+3)；
Bm(n+1)＝β1bm(n+1)+β2bm(n+2)+β3bm(n+3)+β4bm(n+4)
Rm(n+1)＝μ1rm(n+1)+μ2rm(n+2)+μ3rm(n+3)+μ4rm(n+4)
Gm(n+1)＝μ1gm(n+1)+μ2gm(n+2)+μ3gm(n+3)+μ4gm(n+4)
wherein: m is an even number, n is a positive integer, m represents the number of rows of the first pixel or the second pixel, and n represents the number of columns of the first pixel or the second pixel;
Rmnindicating the gray value, G, corresponding to the first red sub-pixel located at the m-th row and n-th columnmnRepresenting the gray value, B, corresponding to the first green sub-pixel located in the mth row and nth columnmnRepresenting the gray value corresponding to the first blue sub-pixel positioned in the mth row and the nth column;
rmnindicating the gray value, g, corresponding to the second red sub-pixel located in the mth row and nth columnmnRepresenting the gray value corresponding to the second green sub-pixel located in the mth row and nth column, bmnRepresentation positionThe gray value corresponding to the second blue sub-pixel in the mth row and the nth column;
Figure BDA0001263847560000061
β1、β2、β3、β4、μ1、μ2、μ3and mu4Representing the weight coefficients.
Preferably, the
Figure BDA0001263847560000062
β1、β2、β3、β4、μ1、μ2、μ3And mu4Satisfies the following conditions:
Figure BDA0001263847560000063
β1+β2+β3+β4＝1；μ1+μ2+μ3+μ4＝1。
preferably, the calculation is performed by a non-linear interpolation method
Figure BDA0001263847560000064
β1、β2、β3、β4、μ1、μ2、μ3And mu4。
The embodiment of the invention also provides a display device which adopts the display method for displaying.
Drawings
FIG. 1 is a schematic diagram of a prior art BV3 pixel structure of a display panel;
FIG. 2 is a schematic diagram of a display panel with a Real RGB pixel structure in the prior art;
FIG. 3 is a flowchart of a display method according to an embodiment of the present invention;
fig. 4 is a schematic view of a pixel structure of a display panel according to an embodiment of the invention;
FIG. 5 is a schematic diagram of a pixel structure corresponding to image information input into a display panel according to an embodiment of the invention;
FIG. 6 is a schematic diagram illustrating an embodiment of calculating a sub-pixel gray scale value by using four adjacent sub-pixel gray scale values;
FIG. 7 is a schematic diagram illustrating four neighboring gray-scale value weights obtained by calculating a gray-scale value of a sub-pixel using four neighboring gray-scale values of the sub-pixel according to the embodiment of the present invention;
FIG. 8 is a schematic diagram illustrating an embodiment of calculating a gray level of a sub-pixel by using two adjacent gray levels of the sub-pixel;
FIG. 9 is a schematic diagram illustrating two neighboring gray-scale value weights obtained by calculating a gray-scale value of a sub-pixel using two neighboring gray-scale values of the sub-pixel according to the embodiment of the present invention;
fig. 10 is a block diagram of a display device according to an embodiment of the present invention.
Detailed Description
The embodiment of the invention provides a display method and a display device, which are used for reducing the consumption of hardware resources in the process of image rendering.
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, 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.
The display method provided by the embodiment of the invention is described in detail below with reference to the accompanying drawings.
The sizes and shapes of the regions of the various components in the drawings are not to scale and are intended to be illustrative of the invention.
As shown in fig. 3, an embodiment of the present invention provides a display method, which is suitable for a display panel with a BV3 pixel structure, wherein the BV3 pixel structure includes a plurality of first sub-pixels arranged in an array, and the display method includes:
s301, receiving input image information corresponding to a Real RGB pixel structure, wherein the Real RGB pixel structure comprises a plurality of second sub-pixels arranged in an array;
s302, determining the type of an image to be displayed according to the image information, and selecting different image rendering methods to process the image information into new image information when the types of the image to be displayed are different; the type of the image to be displayed comprises a character type and a non-character type;
and S303, driving the display panel with the BV3 pixel structure to display the image to be displayed according to the new image information.
The specific structure of the BV3 pixel structure in the embodiment of the present invention is shown in fig. 1, and the specific structure of the Real RGB pixel structure in the embodiment of the present invention is shown in fig. 2.
Specifically, when the types of the images to be displayed are different, selecting different image rendering methods to process the image information into new image information includes:
if the type of the image to be displayed is a character type, processing the image information into first image information according to a first image rendering method, and if the type of the image to be displayed is a non-character type, processing the image information into second image information according to a second image rendering method; wherein:
the first image rendering method multiplies the gray values corresponding to adjacent M second sub-pixels with the same color by respective weight coefficients respectively and then adds the gray values to obtain a first gray value corresponding to a first sub-pixel with the same color as the second sub-pixel; the second image rendering method multiplies the gray values corresponding to N adjacent second sub-pixels of the same color by respective weighting coefficients, and then adds the gray values to obtain a second gray value corresponding to a first sub-pixel of the same color corresponding to the second sub-pixel, wherein M, N is a positive integer greater than or equal to 2, and M is smaller than N.
In a specific embodiment of the present invention, different image rendering methods are selected according to different types of images to be displayed, when the type of the image to be displayed is a text type, the received image information is processed into first image information according to a first image rendering method, and when the type of the image to be displayed is a non-text type, the received image information is processed into second image information according to a second image rendering method, where: the first image rendering method multiplies the gray values corresponding to adjacent M second sub-pixels with the same color by respective weight coefficients respectively and then adds the gray values to obtain a first gray value corresponding to a first sub-pixel with the same color as the second sub-pixel; the second image rendering method multiplies the gray values corresponding to N adjacent second sub-pixels with the same color by respective weight coefficients respectively, and then adds the gray values to obtain a second gray value corresponding to a first sub-pixel with the same color as the second sub-pixel, wherein M, N is a positive integer greater than or equal to 2, and M is smaller than N; compared with the prior art that the same image rendering method is used for image processing regardless of characters, landscapes and figures in the image rendering process, the specific embodiment of the invention can reduce the operation memory consumption of the rendering method in the image rendering process, thereby reducing the consumption of hardware resources; in addition, it can be seen from the observation of the image rendered by the embodiment of the present invention that if a very thin font appears in the display content, the font processed by the embodiment of the present invention does not have the problem of font blurring, and the embodiment of the present invention can improve the display effect of the font and improve the display quality of the display panel.
Specifically, the image information in the specific embodiment of the invention is the gray value of the image, and the image information is selected as the gray value in the specific embodiment of the invention, so that the image rendering method is more convenient and simpler, the rendered image can be displayed in a clear font, and the image information of landscape figure is more natural in transition.
In specific implementation, the first image rendering method according to the specific embodiment of the present invention specifically includes: respectively multiplying the gray values corresponding to two adjacent second sub-pixels with the same color by respective weight coefficients, and then adding to obtain a first gray value corresponding to a first sub-pixel with the same color as the second sub-pixel; the second image rendering method specifically includes: and respectively multiplying the gray values corresponding to four adjacent second sub-pixels with the same color by respective weight coefficients, and then adding to obtain a second gray value corresponding to a first sub-pixel with the same color as the second sub-pixel.
Further, when the first image rendering method is adopted in the specific embodiment of the present invention, the sum of two weighting coefficients multiplied by the gray values corresponding to two adjacent second sub-pixels of the same color is 1; when the second image rendering method is adopted, the sum of the four weighting coefficients multiplied by the gray values corresponding to the adjacent four second sub-pixels with the same color is 1. When the sum of the weighting coefficients is 1, the overall brightness of the display panel is not increased or decreased compared with the overall brightness of the original image, and the display picture is ensured not to be changed.
In specific implementation, the BV3 pixel structure in an embodiment of the invention includes a plurality of first red (R), first green (G), and first blue (B) subpixels arranged in an array; the Real RGB pixel structure includes a plurality of second red (R), second green (G) and second blue (B) sub-pixels arranged in an array. Of course, in practical production, the BV3 pixel structure in this embodiment of the present invention may also include sub-pixels of other colors, such as: including a yellow (Y) subpixel; the Real RGB pixel structure in the embodiment of the present invention may further include sub-pixels of other colors, such as: including a yellow (Y) sub-pixel.
Specifically, the specific embodiment of the present invention determines whether the type of the image to be displayed is a text type or a non-text type according to the method of the image information acquisition path or the APP information opened on the mobile phone, and in the specific implementation, the non-text type includes a landscape and a person, and may also include a building picture and the like.
Specifically, in an embodiment of the present invention, the first image rendering method includes a first odd line rendering method and a first even line rendering method; wherein:
the first odd line rendering method includes:
Figure BDA0001263847560000101
Figure BDA0001263847560000102
Figure BDA0001263847560000103
wherein: x is an odd number, y is a positive integer, x represents the number of rows of the first pixel or the second pixel, and y represents the number of columns of the first pixel or the second pixel;
Rxyindicating the gray value, G, corresponding to the first red sub-pixel located at the x-th row and y-th columnxyRepresenting the gray value corresponding to the first green sub-pixel located in the x-th row and y-th column, BxyRepresenting the gray value corresponding to the first blue sub-pixel positioned in the x row and the y column;
rxyrepresenting the gray value, g, corresponding to the second red sub-pixel located in the x-th row and y-th columnxyRepresenting the gray value corresponding to the second green sub-pixel located in the x-th row and y-th column, bxyRepresenting the gray value corresponding to the second blue sub-pixel positioned in the x row and the y column;
the first even line rendering method includes:
Bmn＝β1bmn+β2bm(n+1) Bm(n+1)＝β1bm(n+2)+β2bm(n+3)
Rmn＝μ1rmn+μ2rm(n+1)； Rm(n+1)＝μ1rm(n+2)+μ2rm(n+3)
Gmn＝μ1gmn+μ2gm(n+1) Gm(n+1)＝μ1gm(n+2)+μ2gm(n+3)
wherein: m is an even number, n is a positive integer, m represents the number of rows of the first pixel or the second pixel, and n represents the number of columns of the first pixel or the second pixel;
Rmnindicating the gray value, G, corresponding to the first red sub-pixel located at the m-th row and n-th columnmnIndicating that the first green sub-pixel located in the m-th row and n-th column corresponds toGrey value, BmnRepresenting the gray value corresponding to the first blue sub-pixel positioned in the mth row and the nth column;
rmnindicating the gray value, g, corresponding to the second red sub-pixel located in the mth row and nth columnmnRepresenting the gray value corresponding to the second green sub-pixel located in the mth row and nth column, bmnRepresenting the gray value corresponding to the second blue sub-pixel positioned in the mth row and the nth column;
Figure BDA0001263847560000111
β1、β2、μ1and mu2Representing the weight coefficients.
Further, the weight coefficients in the embodiments of the present invention
Figure BDA0001263847560000112
β1、β2、μ1And mu2Satisfies the following conditions:
Figure BDA0001263847560000113
β1+β2＝1；μ1+μ2when the sum of the weighting coefficients is 1, the overall brightness of the image displayed by the display panel is not increased or decreased compared with the overall brightness of the original image, and the display screen is ensured not to be changed.
Specifically, the second image rendering method in the embodiment of the present invention includes a second odd line rendering method and a second even line rendering method; wherein:
the second odd line rendering method includes:
Figure BDA0001263847560000114
Figure BDA0001263847560000115
Figure BDA0001263847560000116
Figure BDA0001263847560000117
wherein: x is an odd number, y is a positive integer, x represents the number of rows of the first pixel or the second pixel, and y represents the number of columns of the first pixel or the second pixel;
Rxyindicating the gray value, G, corresponding to the first red sub-pixel located at the x-th row and y-th columnxyRepresenting the gray value corresponding to the first green sub-pixel located in the x-th row and y-th column, BxyRepresenting the gray value corresponding to the first blue sub-pixel positioned in the x row and the y column;
rxyrepresenting the gray value, g, corresponding to the second red sub-pixel located in the x-th row and y-th columnxyRepresenting the gray value corresponding to the second green sub-pixel located in the x-th row and y-th column, bxyRepresenting the gray value corresponding to the second blue sub-pixel positioned in the x row and the y column;
the second even line rendering method includes:
Figure BDA0001263847560000121
Bm(n+1)＝β1bm(n+1)+β2bm(n+2)+β3bm(n+3)+β4bm(n+4)
Rm(n+1)＝μ1rm(n+1)+μ2rm(n+2)+μ3rm(n+3)+μ4rm(n+4)
Gm(n+1)＝μ1gm(n+1)+μ2gm(n+2)+μ3gm(n+3)+μ4gm(n+4)
wherein: m is an even number, n is a positive integer, m represents the number of rows of the first pixel or the second pixel, and n represents the number of columns of the first pixel or the second pixel;
Rmnindicates in the m-th rowGray scale value, G, corresponding to the first red sub-pixel of the nth columnmnRepresenting the gray value, B, corresponding to the first green sub-pixel located in the mth row and nth columnmnRepresenting the gray value corresponding to the first blue sub-pixel positioned in the mth row and the nth column;
rmnindicating the gray value, g, corresponding to the second red sub-pixel located in the mth row and nth columnmnRepresenting the gray value corresponding to the second green sub-pixel located in the mth row and nth column, bmnRepresenting the gray value corresponding to the second blue sub-pixel positioned in the mth row and the nth column;
Figure BDA0001263847560000122
β1、β2、β3、β4、μ1、μ2、μ3and mu4Representing the weight coefficients.
Further, the weight coefficients in the embodiments of the present invention
Figure BDA0001263847560000123
β1、β2、β3、β4、μ1、μ2、μ3And mu4Satisfies the following conditions:
Figure BDA0001263847560000124
β1+β2+β3+β4＝1；μ1+μ2+μ3+μ4when the sum of the weighting coefficients is 1, the overall brightness of the image displayed by the display panel is not increased or decreased compared with the overall brightness of the original image, and the display screen is ensured not to be changed.
The following describes in detail specific embodiments of a first image rendering method and a second image rendering method according to specific embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 4 and 5, when the type of the image to be displayed is a text type, rendering the image corresponding to the Real RGB pixel structure shown in fig. 5 into the image corresponding to the BV3 pixel structure shown in fig. 4 by using a first image rendering method; when the type of the image to be displayed is a non-character type, such as: for landscape and people, the image corresponding to the Real RGB pixel structure shown in fig. 5 is rendered to the image corresponding to the BV3 pixel structure shown in fig. 4 using the second image rendering method. In fig. 4, R11, G11 and B11 form a first pixel, R11 represents the gray scale value corresponding to the first red sub-pixel in the first pixel located in row 1 and column 1, G11 represents the gray scale value corresponding to the first green sub-pixel in the first pixel located in row 1 and column 1, and B11 represents the gray scale value corresponding to the first blue sub-pixel in the first pixel located in row 1 and column 1; r12 represents the gray scale value corresponding to the first red sub-pixel in the first pixel at row 1 and column 2, G12 represents the gray scale value corresponding to the first green sub-pixel in the first pixel at row 1 and column 2, B12 represents the gray scale value corresponding to the first blue sub-pixel in the first pixel at row 1 and column 2, and so on. R21 represents the gray scale value corresponding to the first red sub-pixel in the first pixel at row 2 and column 1, G21 represents the gray scale value corresponding to the first green sub-pixel in the first pixel at row 2 and column 1, B21 represents the gray scale value corresponding to the first blue sub-pixel in the first pixel at row 2 and column 1, and so on.
In fig. 5, r11, g11 and b11 form a second pixel, r11 represents the gray scale value corresponding to the second red sub-pixel in the second pixel located in the 1 st row and 1 st column, g11 represents the gray scale value corresponding to the second green sub-pixel in the second pixel located in the 1 st row and 1 st column, and b11 represents the gray scale value corresponding to the second blue sub-pixel in the second pixel located in the 1 st row and 1 st column; r12 represents the gray scale value corresponding to the second red sub-pixel in the second pixel at row 1 and column 2, g12 represents the gray scale value corresponding to the second green sub-pixel in the second pixel at row 1 and column 2, b12 represents the gray scale value corresponding to the second blue sub-pixel in the second pixel at row 1 and column 2, and so on. r21 represents the gray scale value corresponding to the second red sub-pixel in the second pixel at row 2 and column 1, g21 represents the gray scale value corresponding to the second green sub-pixel in the second pixel at row 2 and column 1, b21 represents the gray scale value corresponding to the second blue sub-pixel in the second pixel at row 2 and column 1, and so on.
Specifically, the second image rendering method in the embodiment of the present invention includes a second odd line rendering method and a second even line rendering method:
the second odd line rendering method includes:
Figure BDA0001263847560000141
Figure BDA0001263847560000142
Figure BDA0001263847560000143
wherein:
Figure BDA0001263847560000144
the second even line rendering method includes:
B21＝β1b21+β2b22+β3b23+β4b24 B22＝β1b22+β2b23+β3b24+β4b25
R21＝μ1r21+μ2r22+μ3r23+μ4r24 R22＝μ1r22+μ2r23+μ3r24+μ4r25
G21＝μ1g21+μ2g22+μ3g23+μ4g24 G22＝μ1g22+μ2g23+μ3g24+μ4g25
wherein:
Figure BDA0001263847560000145
specifically, the embodiment of the invention calculates through a nonlinear interpolation method
Figure BDA0001263847560000146
β1、β2、β3、β4、μ1、μ2、μ3And mu4In the embodiment of the invention, the calculation is carried out by a nonlinear interpolation method
Figure BDA0001263847560000147
Figure BDA0001263847560000148
β1、β2、β3、β4、μ1、μ2、μ3And mu4The purpose is to make the obtained image smoother, and of course, when actually designed, other methods can be adopted to calculate
Figure BDA0001263847560000149
β1、β2、β3、β4、μ1、μ2、μ3And mu4Such as: calculating coefficients by linear calculation methods, e.g.
Figure BDA00012638475600001410
Figure BDA00012638475600001411
β1＝β4＝0.2，β2＝β3＝0.3，μ1＝μ4＝0.2，μ2＝μ3＝0.3。
In specific implementation, as shown in fig. 6 and 7, the pixel information of the pixel point inserted into R11 is obtained by using four pixel points (e.g., the pixel point corresponding to R11, the pixel point corresponding to R12, the pixel point corresponding to R13, and the pixel point corresponding to R14), and the curve calculation is performed according to fig. 7
Figure BDA00012638475600001412
β1、β2、β3、β4、μ1、μ2、μ3And mu4，
Figure BDA00012638475600001413
β1、β2、β3、β4、μ1、μ2、μ3And mu4The acquisition method of (2) uses a sine function. The farther from the point R11 in FIG. 7
Figure BDA00012638475600001414
Figure BDA00012638475600001415
β1、β2、β3、β4、μ1、μ2、μ3And mu4The smaller the value, the closer the point is to the point R11
Figure BDA00012638475600001416
Figure BDA00012638475600001417
β1、β2、β3、β4、μ1、μ2、μ3And mu4The larger the value, the arrows pointing to r11, r12, r13, and r14 in FIG. 7 represent
Figure BDA00012638475600001418
β1、β2、β3、β4、μ1、μ2、μ3And mu4The size of (2). The white points in fig. 6 represent other pixel points, and fig. 6 is a schematic diagram obtained according to the actual pixel arrangement.
Specifically, the first image rendering method in the embodiment of the present invention includes a first odd line rendering method and a first even line rendering method:
the first odd line rendering method includes:
Figure BDA0001263847560000151
Figure BDA0001263847560000152
Figure BDA0001263847560000153
wherein:
Figure BDA0001263847560000154
the first even line rendering method includes:
B21＝β1b21+β2b22 B22＝β1b23+β2b24
R21＝μ1r21+μ2r22 R22＝μ1r23+μ2r24
G21＝μ1g21+μ2g22 G22＝μ1g23+μ2g24
wherein: beta is a1+β2＝1。
μ1+μ2＝1
In specific implementation, the R12 formula in the first odd line rendering algorithm starts from R13 and does not start from R12, so as to achieve the effect of reducing the pixels by half, so as not to affect the display effect, and other formulas are similar.
Specifically, the embodiment of the invention calculates through a nonlinear interpolation method
Figure BDA0001263847560000155
β1、β2、μ1And mu2In the embodiment of the invention, the calculation is carried out by a nonlinear interpolation method
Figure BDA0001263847560000156
β1、β2、μ1And mu2The purpose is to make the obtained image smoother, and of course, when actually designed, other methods can be adopted to calculate
Figure BDA0001263847560000157
β1、β2、μ1And mu2。
In specific implementation, as shown in fig. 8 and 9, two pixels (e.g., a pixel corresponding to R11 and a pixel corresponding to R12) are used to obtain pixel information of a pixel inserted into R11, and the pixel information is calculated according to the curve of fig. 9
Figure BDA0001263847560000158
β1、β2、μ1And mu2，
Figure BDA0001263847560000159
β1、β2、μ1And mu2The acquisition method of (2) uses a sine function. The farther from the point R11 in FIG. 9
Figure BDA00012638475600001510
β1、β2、μ1And mu2The smaller the value, the closer the point is to the point R11
Figure BDA00012638475600001511
β1、β2、μ1And mu2The larger the value, the arrows pointing to r11 and r12 in FIG. 9 represent
Figure BDA00012638475600001512
β1、β2、μ1And mu2The size of (2).
Based on the same inventive concept, the embodiment of the present invention further provides a display device, where the display device performs display by using the display method provided by the embodiment of the present invention, and the display device may be: any product or component with a display function, such as a mobile phone, a tablet computer, a liquid crystal television, an Organic Light Emitting Diode (OLED) television, a notebook computer, a digital photo frame, a navigator and the like. Other essential components of the display device are understood by those skilled in the art and are not described herein.
Specifically, the display device in the embodiment of the present invention includes a display panel with a BV3 pixel structure, and an image information receiving module, configured to receive image information corresponding to an input Real RGB pixel structure, and send the image information to an image processing method module;
the image processing method module is used for determining the type of an image to be displayed according to the image information, processing the image information into first image information according to a first image rendering method when the type of the image to be displayed is a character type, processing the image information into second image information according to a second image rendering method when the type of the image to be displayed is a non-character type, and sending the first image information and the second image information to the driving module;
and the driving module is used for driving the BV3 display panel with the pixel structure to display the image to be displayed according to the received first image information and second image information.
In specific implementation, as shown in fig. 10, the image information receiving module 101 receives input image information corresponding to the Real RGB pixel structure, and sends the image information to the image processing method module 102; the image processing method module 102 determines the type of the image to be displayed according to the received image information, processes the image information into first image information according to a first image rendering method when the type of the image to be displayed is a character type, processes the image information into second image information according to a second image rendering method when the type of the image to be displayed is a non-character type, and sends the first image information and the second image information to the driving module 103; the driving module 103 drives the display panel 104 with the BV3 pixel structure to display according to the received first image information and second image information, and the specific driving method of the driving module 103 is the same as that in the prior art, and is not described herein again.
In summary, in the specific embodiment of the present invention, different image rendering methods are selected according to different types of received images to be displayed, when the type of the image to be displayed is a text type, the received image information is processed into first image information according to a first image rendering method, and when the type of the image to be displayed is a non-text type, the received image information is processed into second image information according to a second image rendering method; compared with the prior art that the same image rendering method is used for image processing regardless of characters, landscapes and figures in the image rendering process, the specific embodiment of the invention can reduce the operation memory consumption of the rendering method in the image rendering process, thereby reducing the consumption of hardware resources; in addition, it can be seen from the observation of the image rendered by the embodiment of the present invention that if a very thin font appears in the display content, the font processed by the embodiment of the present invention does not have the problem of font blurring, and the embodiment of the present invention can improve the display effect of the font and improve the display quality of the display panel.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (9)

1. A display method for a display panel having a BV3 pixel structure, the BV3 pixel structure including a plurality of first sub-pixels arranged in an array, the method comprising:
receiving input image information corresponding to a Real RGB pixel structure, wherein the Real RGB pixel structure comprises a plurality of second sub-pixels arranged in an array;
determining the type of an image to be displayed according to the image information, and selecting different image rendering methods to process the image information into new image information when the types of the images to be displayed are different; the type of the image to be displayed comprises a character type and a non-character type;
driving the display panel with the BV3 pixel structure to display the image to be displayed according to the new image information;
when the types of the images to be displayed are different, selecting different image rendering methods to process the image information into new image information, wherein the method comprises the following steps:
if the type of the image to be displayed is a character type, processing the image information into first image information according to a first image rendering method, and if the type of the image to be displayed is a non-character type, processing the image information into second image information according to a second image rendering method; wherein:
the first image rendering method multiplies the gray values corresponding to the adjacent M second sub-pixels with the same color by respective weight coefficients respectively and then adds the gray values to obtain a first gray value corresponding to the first sub-pixel with the same color as the second sub-pixel; the second image rendering method multiplies the gray values corresponding to the adjacent N second sub-pixels of the same color by respective weight coefficients, and then adds the gray values to obtain a second gray value corresponding to the first sub-pixel of the same color as the second sub-pixel, wherein M, N is a positive integer greater than or equal to 2, and M is smaller than N.
2. The display method according to claim 1, wherein the first image rendering method specifically comprises: respectively multiplying the gray values corresponding to the second sub-pixels of the two adjacent same colors by respective weight coefficients, and then adding to obtain a first gray value corresponding to the first sub-pixel with the same color as the second sub-pixel;
the second image rendering method specifically includes: and respectively multiplying the gray values corresponding to the adjacent four second sub-pixels with the same color by respective weight coefficients, and then adding to obtain a second gray value corresponding to the first sub-pixel with the same color as the second sub-pixel.
3. The display method according to claim 2, wherein when the first image rendering method is adopted, the sum of two weighting coefficients multiplied by the gray-scale values of the second sub-pixels of two adjacent same colors is 1;
when the second image rendering method is adopted, the sum of four weighting coefficients multiplied by the gray values corresponding to the adjacent four second sub-pixels with the same color is 1.
4. The display method according to claim 2, wherein the first image rendering method includes a first odd line rendering method and a first even line rendering method; wherein:
the first odd line rendering method includes:
Figure FDA0002526270090000021
wherein: x is an odd number, y is a positive integer, x represents the number of rows of the first pixel or the second pixel, and y represents the number of columns of the first pixel or the second pixel;
Rxyindicating the gray value, G, corresponding to the first red sub-pixel located at the x-th row and y-th columnxyRepresenting the gray value corresponding to the first green sub-pixel located in the x-th row and y-th column, BxyRepresenting the gray value corresponding to the first blue sub-pixel positioned in the x row and the y column;
rxyrepresenting the gray value, g, corresponding to the second red sub-pixel located in the x-th row and y-th columnxyRepresenting the gray value corresponding to the second green sub-pixel located in the x-th row and y-th column, bxyRepresenting the gray value corresponding to the second blue sub-pixel positioned in the x row and the y column;
the first even line rendering method includes:
Figure FDA0002526270090000022
wherein: m is an even number, n is a positive integer, m represents the number of rows of the first pixel or the second pixel, and n represents the number of columns of the first pixel or the second pixel;
Rmnindicating the gray value, G, corresponding to the first red sub-pixel located at the m-th row and n-th columnmnRepresenting the gray value, B, corresponding to the first green sub-pixel located in the mth row and nth columnmnRepresenting the gray value corresponding to the first blue sub-pixel positioned in the mth row and the nth column;
rmnindicating the gray value, g, corresponding to the second red sub-pixel located in the mth row and nth columnmnRepresenting the gray value corresponding to the second green sub-pixel located in the mth row and nth column, bmnRepresenting the gray value corresponding to the second blue sub-pixel positioned in the mth row and the nth column;
Figure FDA0002526270090000031
β1、β2、μ1and mu2Representing the weight coefficients.
5. The display method according to claim 4,
the above-mentioned
Figure FDA0002526270090000032
β1、β2、μ1And mu2Satisfies the following conditions:
Figure FDA0002526270090000033
β1+β2＝1；μ1+μ2＝1。
6. the display method according to claim 2, wherein the second image rendering method includes a second odd line rendering method and a second even line rendering method; wherein:
the second odd line rendering method includes:
Figure FDA0002526270090000034
wherein: x is an odd number, y is a positive integer, x represents the number of rows of the first pixel or the second pixel, and y represents the number of columns of the first pixel or the second pixel;
Rxyindicating the gray value, G, corresponding to the first red sub-pixel located at the x-th row and y-th columnxyRepresenting the gray value corresponding to the first green sub-pixel located in the x-th row and y-th column, BxyRepresenting the gray value corresponding to the first blue sub-pixel positioned in the x row and the y column;
rxyrepresenting the gray value, g, corresponding to the second red sub-pixel located in the x-th row and y-th columnxyRepresenting the gray value corresponding to the second green sub-pixel located in the x-th row and y-th column, bxyRepresenting the gray value corresponding to the second blue sub-pixel positioned in the x row and the y column;
the second even line rendering method includes:
Figure FDA0002526270090000041
wherein: m is an even number, n is a positive integer, m represents the number of rows of the first pixel or the second pixel, and n represents the number of columns of the first pixel or the second pixel;
Rmnindicating the gray value, G, corresponding to the first red sub-pixel located at the m-th row and n-th columnmnRepresenting the gray value, B, corresponding to the first green sub-pixel located in the mth row and nth columnmnRepresenting the gray value corresponding to the first blue sub-pixel positioned in the mth row and the nth column;
rmnindicating the gray value, g, corresponding to the second red sub-pixel located in the mth row and nth columnmnRepresenting the gray value corresponding to the second green sub-pixel located in the mth row and nth column, bmnRepresenting a second blue sub-image in the m-th row and n-th columnGray values corresponding to the pixels;
Figure FDA0002526270090000042
β1、β2、β3、β4、μ1、μ2、μ3and mu4Representing the weight coefficients.
7. The display method according to claim 4, wherein the display method is performed in a liquid crystal display device
Figure FDA0002526270090000043
β1、β2、β3、β4、μ1、μ2、μ3And mu4Satisfies the following conditions:
Figure FDA0002526270090000044
β1+β2+β3+β4＝1；μ1+μ2+μ3+μ4＝1。
8. the display method according to claim 5 or 7,
calculated by means of non-linear interpolation
Figure FDA0002526270090000045
β1、β2、β3、β4、μ1、μ2、μ3And mu4。
9. A display device characterized by performing display by the display method according to any one of claims 1 to 8.
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