CN116013186A - Driving method and driving device of display panel and computer readable storage medium - Google Patents

Abstract

The application discloses a driving method, a driving device and a computer readable storage medium of a display panel, wherein the display panel comprises a plurality of display sub-pixels, and the driving method comprises the following steps: acquiring an image to be displayed, wherein the image to be displayed comprises first display data of a plurality of image sub-pixels; mapping first display data of a plurality of the image sub-pixels to second display data for driving display sub-pixels of the display panel to emit light, and mapping first display data of at least part of the image sub-pixels to second display data for driving at least two display sub-pixels having the same emission color to emit light; and displaying the display panel based on the second display data. By mapping the first display data of at least part of the image sub-pixels to the second display data for driving at least two display sub-pixels having the same emission color to emit light, the power consumption can be reduced and the memory occupied by the first display data can be reduced.

Description

Driving method and driving device of display panel and computer readable storage medium

Technical Field

The present invention relates to the field of display drivers, and in particular, to a driving method and apparatus for a display panel, and a computer readable storage medium.

Background

The existing sub-pixel rendering method (sub-pixel rendering method, SPR method) has the problems of high power consumption and overlarge memory occupation of a display memory in the application process.

There is a need to overcome the problems of high power consumption and large memory by improving the original SPR algorithm.

Disclosure of Invention

The application mainly provides a driving method of a display panel, which can reduce power consumption and reduce memory occupied by first display data by mapping the first display data of at least part of image sub-pixels into second display data for driving at least two display sub-pixels with the same luminous color to emit light.

In order to solve the technical problems, the technical scheme adopted by the application is as follows: there is provided a driving method of a display panel including a plurality of display sub-pixels, the driving method including: acquiring an image to be displayed, wherein the image to be displayed comprises first display data of a plurality of image sub-pixels; mapping first display data of a plurality of image sub-pixels to second display data for driving respective display sub-pixels of the display panel to emit light, and mapping first display data of at least a part of the image sub-pixels to second display data for driving at least two display sub-pixels having the same emission color to emit light; and displaying the display panel based on the second display data.

The image to be displayed comprises a plurality of image pixel units, and each image pixel unit comprises a plurality of image sub-pixels; the display panel comprises a plurality of display units, each display unit comprises a plurality of display sub-pixels, the light emitting colors of at least two display sub-pixels of the display units are the same, one image pixel unit corresponds to one display unit, and the color of one image sub-pixel is the same as the light emitting color of at least one display sub-pixel in the corresponding display unit; wherein the step of mapping the first display data of the plurality of image sub-pixels to the second display data for driving the respective display sub-pixels of the display panel to emit light comprises: determining a display unit corresponding to each image pixel unit; the first display data of the respective image sub-pixels in each image pixel unit is mapped to second display data for driving the display sub-pixels having the respective emission colors in the corresponding display units to emit light.

Wherein each image pixel unit comprises a first image sub-pixel, a second image sub-pixel and a third image sub-pixel; each display unit comprises at least one first display sub-pixel, at least two second display sub-pixels and at least one third display sub-pixel; the first display data of the first image sub-pixel is mapped to second display data for driving at least one first display sub-pixel to emit light, the first display data of the second image sub-pixel is mapped to second display data for driving at least two second display sub-pixels to emit light, and the first display data of the third image sub-pixel is mapped to second display data for driving at least one third display sub-pixel to emit light.

Each display unit comprises a first display sub-pixel, two second display sub-pixels and a third display sub-pixel.

Preferably, a plurality of display sub-pixels in the same display unit are arranged at intervals along a first direction, and a first sub-pixel or a third sub-pixel is arranged between two second display sub-pixels at intervals; alternatively, each display unit includes two first display sub-pixels, four second display sub-pixels, and two third display sub-pixels.

Each display unit comprises two first display sub-pixels, two second display sub-pixels and two third display sub-pixels.

Preferably, a plurality of display sub-pixels in the same display unit are arranged at intervals along the first direction; the first display sub-pixels, the second display sub-pixels and the third display sub-pixels are sequentially arranged in a combination mode at intervals in the first direction; or, the first display sub-pixel, the second display sub-pixel and the third display sub-pixel are arranged in sequence at intervals in the second direction.

The display panel is stored with a first rendering mode and a second rendering mode, wherein the first display data of at least part of image sub-pixels in the first rendering mode are mapped to second display data for driving at least 2N display sub-pixels with the same luminous color to emit light, and the first display data of the next image sub-pixel in the second rendering mode are mapped to second display data for driving N display sub-pixels with the same luminous color to emit light, wherein N is a positive integer; the step of mapping the first display data of the plurality of image sub-pixels to the second display data for driving the respective display sub-pixels of the display panel to emit light may be preceded by:

judging whether the current rendering mode is a first rendering mode or not;

if yes, the method comprises the steps of mapping first display data of a plurality of image sub-pixels into second display data for driving each display sub-pixel of a display panel to emit light, and mapping the first display data of at least part of the image sub-pixels into second display data of 2N display sub-pixels with the same emitting color;

otherwise, a second rendering mode is entered.

In order to solve the technical problems, another technical scheme adopted by the application is as follows: a driving device of a display panel is provided, and the driving device comprises an acquisition module, a driving module and a display module. The acquisition module is used for acquiring an image to be displayed, wherein the image to be displayed comprises first display data of a plurality of image sub-pixels; the driving module processes the acquired first display data by applying the driving method applied in the embodiment, converts the first display data into second display data and outputs the second display data to the display module; and the display module displays and outputs the mapped second display data.

Preferably, the driving module includes a random access processor, a driving processing unit, and a color filter; the random access processor is used for receiving the first display data, the driving processing unit is used for mapping the first display data into the second display data, and the color filter is used for realizing normal display.

The driving processing unit comprises a shift register, a first data register and a second data register; the random access memory stores first display data of a plurality of image sub-pixels in an image to be displayed, and transmits the first display data to the shift register; the shift register processes the obtained first display data to obtain second display data; the first data register performs a write operation on the second display data; the second data register performs corresponding storage and output operations on the second display data.

Preferably, the shift register maps the obtained first display data to at least two second display data.

The second data temporary storage transfers the second display data to the display panel for display through the level converter, the digital-to-analog converter and the amplifier.

Preferably, the second data register transfers the same set of second display data to the display panel for display a plurality of times.

Preferably, the second data register transfers the same set of second display data to the display panel for display a plurality of times by extending the working time of the second data register.

In order to solve the technical problems, another technical scheme adopted by the application is as follows: there is provided a computer-readable storage medium having stored thereon computer program instructions which, when executed by a processor, implement the driving method of the display panel in the above-described embodiments.

The beneficial effects of this application are: by mapping the first display data of at least part of the image sub-pixels to the second display data for driving at least two display sub-pixels having the same emission color to emit light, the power consumption can be reduced and the memory occupied by the first display data can be reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

FIG. 1 is a flow chart of an embodiment of a driving method of a display panel in the present application;

FIG. 2 is a schematic diagram of an embodiment of a correspondence between image sub-pixels and display sub-pixels in the present application;

FIG. 3 is a flowchart illustrating an embodiment of the step S2 in FIG. 1 of the present application;

FIG. 4 is a schematic diagram of another embodiment of the correspondence between image sub-pixels and display sub-pixels in the present application;

FIG. 5 is a schematic diagram of another embodiment of a correspondence between image sub-pixels and display sub-pixels in the present application;

FIG. 6 is a schematic diagram illustrating a determination of a rendering mode performed in the present application;

FIG. 7 is a schematic view of the driving device of the present application;

FIG. 8 is a schematic diagram of the components of the drive processing unit of the present application;

FIG. 9 is a flowchart of a driving module according to an embodiment of the present application for processing first display data;

FIG. 10 is a schematic diagram of another embodiment of a correspondence between image sub-pixels and display sub-pixels in the present application;

fig. 11 is a schematic diagram of another embodiment of the correspondence between image sub-pixels and display sub-pixels in the present application.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without inventive effort, are within the scope of the present application based on the embodiments herein.

Referring to fig. 1, fig. 1 is a flow chart illustrating an embodiment of a driving method of a display panel in the present application. The application discloses a driving method of a display panel, wherein the display panel comprises a plurality of display sub-pixels, and the driving method comprises the following steps:

s1: and acquiring an image to be displayed, wherein the image to be displayed comprises first display data of a plurality of image sub-pixels.

Firstly, an image to be displayed is obtained, and the image to be displayed comprises first display data of a plurality of image sub-pixels, and then the first display data of the image sub-pixels are processed to obtain data required by a display panel to display the image to be displayed.

S2: the first display data of the plurality of image sub-pixels is mapped to second display data for driving the respective display sub-pixels of the display panel to emit light, and the first display data of at least part of the image sub-pixels is mapped to second display data for driving at least two display sub-pixels having the same emission color to emit light.

By mapping the first display data of a plurality of image sub-pixels to second display data for driving the respective display sub-pixels of the display panel to emit light, and at least part of the first display data of the image sub-pixels to second display data for driving at least two display sub-pixels having the same emission color to emit light. The one-to-one correspondence between the first display data of the image sub-pixels and the second display data of the display sub-pixels in the prior art is changed, and the data size of the first display data of the image sub-pixels and the size of the occupied memory can be reduced.

S3: and displaying the display panel based on the second display data.

After the first display data of the plurality of image sub-pixels are mapped into the second display data for driving each display sub-pixel of the display panel to emit light, the display panel is displayed based on the second display data, and display driving of the display panel in the application is completed.

According to the method and the device, the first display data of at least part of the image sub-pixels are mapped into the second display data for driving at least two display sub-pixels with the same luminous color to emit light, so that the data size of the first display data can be reduced, the power consumption is further reduced, and the memory occupied by the first display data is reduced.

Referring to fig. 2, fig. 2 is a schematic diagram illustrating an embodiment of a correspondence between image sub-pixels and display sub-pixels in the present application; the image to be displayed comprises a plurality of image pixel units, and each image pixel unit comprises a plurality of image sub-pixels; the display panel comprises a plurality of display units, each display unit comprises a plurality of display sub-pixels, the light emitting colors of at least two display sub-pixels of the display units are the same, one image pixel unit corresponds to one display unit, and the color of one image sub-pixel is the same as the light emitting color of at least one display sub-pixel in the corresponding display unit. By the design that one image pixel unit corresponds to one display unit and the color of one image sub-pixel is the same as the luminous color of at least one display sub-pixel in the corresponding display unit, the mapping of the image sub-pixels with the same luminous color to the display sub-pixels can be realized, and the mapping of the image sub-pixels with different luminous colors to the display sub-pixels cannot be realized.

Referring to fig. 3, fig. 3 is a flow chart illustrating an embodiment of step S2 in fig. 1 of the present application; in step S2, a step of mapping first display data of a plurality of image sub-pixels into second display data for driving respective display sub-pixels of a display panel to emit light, includes:

s21: determining a display unit corresponding to each image pixel unit;

one display unit is allocated by one image pixel unit, so that the first display data of the image sub-pixels are mapped to the second display data for driving the display sub-pixels to emit light.

S22: the first display data of the respective image sub-pixels in each image pixel unit is mapped to second display data for driving the display sub-pixels having the respective emission colors in the corresponding display units to emit light.

The first display data of each image sub-pixel in each image pixel unit is mapped into the second display data for driving the display sub-pixel with the corresponding light emitting color in the corresponding display unit to emit light by mapping the image sub-pixels with the same light emitting color in one image pixel unit into the display sub-pixels in one display unit.

With continued reference to fig. 2, each image pixel unit includes a first image sub-pixel R1, a second image sub-pixel G1, and a third image sub-pixel B1. Each display unit comprises at least one first display sub-pixel R2, at least two second display sub-pixels G2 and at least one third display sub-pixel B2. The first display data of the first image sub-pixel R1 is mapped to second display data for driving the at least one first display sub-pixel R2 to emit light, the first display data of the second image sub-pixel G1 is mapped to second display data for driving the at least two second display sub-pixels G2 to emit light, and the first display data of the third image sub-pixel B1 is mapped to second display data for driving the at least one third display sub-pixel B2 to emit light. Therefore, when the image pixel units are arranged in the R1G1B1 pixel arrangement mode and the display units are arranged in the R2G2B2G2 pixel arrangement mode, the pixel mapping of the display units can be completed only by one group of image pixel units. In the prior art, because the image sub-pixels with the same color need to correspond to the display sub-pixels, when the display unit is arranged by R2G2B2G2 pixels, at least two groups of image pixel units arranged by R1G1B1 pixels need to be mapped to the display unit, so that the memory space occupied by storing the image sub-pixels can be saved in the embodiment.

With continued reference to the display sub-pixel portion in fig. 2, each display unit includes a first display sub-pixel R2, two second display sub-pixels G2, and a third display sub-pixel B2; i.e. the display element is arranged with R2G2B2G2 pixels.

Preferably, a plurality of display sub-pixels in the same display unit are arranged at intervals along the first direction X, and a first display sub-pixel R2 or a third display sub-pixel B2 is arranged between two second display sub-pixels G2 at intervals. Wherein, the image sub-pixels in the same image pixel unit are also arranged at intervals along the first direction X. When the arrangement direction of the image sub-pixels in the same image pixel unit is the same as the arrangement direction of the plurality of display sub-pixels in the same display unit corresponding to the image sub-pixels, the mapping of the first display data to the second display data is facilitated.

Referring to fig. 4, fig. 4 is a schematic diagram of another embodiment of a correspondence between image sub-pixels and display sub-pixels in the present application; in one embodiment, each display unit includes two first display sub-pixels R2, four second display sub-pixels G2, and two third display sub-pixels B2. In the mapping process, the first display data of the first image sub-pixel R1 is mapped to the second display data for driving the two first display sub-pixels R2 to emit light, the first display data of the second image sub-pixel G1 is mapped to the second display data for driving the four second display sub-pixels G2 to emit light, and the first display data of the third image sub-pixel B1 is mapped to the second display data for driving the two third display sub-pixels B2 to emit light. Therefore, when the image pixel unit is arranged with R1G1B1 pixels and the display unit is arranged with R2G2B2G2 pixels, the pixel mapping of the two sets of R2G2B2G2 pixels in the display unit can be completed only by one set of R1G1B1 image pixel unit.

In one embodiment, each display unit includes two first display sub-pixels R2, two second display sub-pixels G2, and two third display sub-pixels B2; i.e. the display unit is arranged for two sets of R2G2B2 pixels. In the mapping process, the first display data of the first image sub-pixel R1 is mapped to the second display data for driving the two first display sub-pixels R2 to emit light, the first display data of the second image sub-pixel G1 is mapped to the second display data for driving the two second display sub-pixels G2 to emit light, and the first display data of the third image sub-pixel B1 is mapped to the second display data for driving the two third display sub-pixels B2 to emit light. Therefore, when the image pixel unit is arranged with R1G1B1 pixels and the display unit is arranged with R2G2B2 pixels, the pixel mapping of the two sets of R2G2B2 pixels in the display unit can be completed only by one set of R1G1B1 image pixel unit.

Preferably, a plurality of display sub-pixels within the same display unit are arranged at intervals along the first direction X. In one embodiment, two sets of R2G2B2 pixel combinations are spaced along the first direction X, and in another embodiment, two sets of R2G2B2 pixel combinations are spaced along the second direction Y. Wherein, the image sub-pixels in the same image pixel unit are also arranged at intervals along the first direction X. When the arrangement direction of the image sub-pixels in the same image pixel unit is the same as the arrangement direction of the plurality of display sub-pixels in the same display unit corresponding to the image sub-pixels, the mapping of the first display data to the second display data is facilitated.

Referring to fig. 5, fig. 5 is a schematic diagram of another embodiment of a correspondence between image sub-pixels and display sub-pixels in the present application; each display unit comprises four first display sub-pixels R2, four second display sub-pixels G2 and four third display sub-pixels B2. In the mapping process, the first display data of the first image sub-pixel R1 is mapped to the second display data for driving the four first display sub-pixels R2 to emit light, the first display data of the second image sub-pixel G1 is mapped to the second display data for driving the four second display sub-pixels G2 to emit light, and the first display data of the third image sub-pixel B1 is mapped to the second display data for driving the four third display sub-pixels B2 to emit light. Therefore, when the image pixel unit is arranged with R1G1B1 pixels and the display unit is arranged with R2G2B2 pixels, the pixel mapping of the four groups of R2G2B2 pixels in the display unit can be completed only by one group of R1G1B1 image pixel units.

Referring to fig. 6, fig. 6 is a schematic diagram illustrating a determination of a rendering mode in the present application; the driving processing unit 22 stores therein a first rendering mode in which the first display data of at least part of the image sub-pixels are mapped to second display data for driving light emission of at least 2N display sub-pixels having the same light emission color, and a second rendering mode in which the first display data of the next image sub-pixel is mapped to second display data for driving light emission of N display sub-pixels having the same light emission color, where N is a positive integer; the step of mapping the first display data of the plurality of image sub-pixels to the second display data for driving the respective display sub-pixels of the display panel to emit light may be preceded by:

s11: judging whether the current rendering mode is a first rendering mode or not;

for the pixel mapping of two groups of R2G2B2G2 pixel arrangement in the display unit can be completed only by one group of R1G1B1 image pixel units when the image pixel units are arranged in R1G1B1 pixel arrangement and the display unit is arranged in R2G2B2G2 pixel arrangement. Each display unit comprises two first display sub-pixels R2, four second display sub-pixels G2 and two third display sub-pixels B2; the first rendering mode is thus employed for the second display sub-pixel G2; the second rendering mode is employed for the first display sub-pixel R2 and the third display sub-pixel B2.

S12: if so, the method proceeds to a step of mapping first display data of a plurality of image sub-pixels to second display data for driving each display sub-pixel of the display panel to emit light, and mapping first display data of at least part of the image sub-pixels to second display data for driving 2N display sub-pixels having the same emission color to emit light.

When only one group of R2G2B2G2 pixels are arranged in the display unit, N can be 1 at the moment, namely the second image sub-pixel G1 is mapped into two second display sub-pixels G2 by adopting a first rendering mode; when two groups of R2G2B2G2 pixels are arranged in the display unit, N can be 2 at the moment, namely the second image sub-pixel G1 is mapped into 4 second display sub-pixels G2 by adopting a first rendering mode; and so on.

S13: otherwise, a second rendering mode is entered.

The first display data of one image subpixel in the second rendering mode is mapped to the second display data of N display subpixels having the same light emission color. When only one group of R2G2B2G2 pixels are arranged in the display unit, N can be 1 at the moment, namely, the first image sub-pixel R1 and the third image sub-pixel B1 are respectively mapped into a first display sub-pixel R2 and a third display sub-pixel B2 by adopting a second rendering mode; when two groups of R2G2B2G2 pixels are arranged in the display unit, N can be 2 at the moment, namely, the first image sub-pixel R1 and the third image sub-pixel B1 are respectively mapped into two first display sub-pixels R2 and two third display sub-pixels B2 by adopting a second rendering mode; and so on.

Referring to fig. 7, fig. 7 is a schematic diagram illustrating a driving device of the present application. The driving device comprises an acquisition module 1, a driving module 2 and a display module 3. The acquiring module 1 is configured to acquire an image to be displayed, where the image to be displayed includes first display data of a plurality of image sub-pixels. The driving module 2 processes the acquired first display data by applying the driving method applied in the above embodiment, converts the first display data into second display data, and outputs the second display data to the display module 3. The display module 3 performs display output on the mapped second display data.

The driving module 2 includes a random access processor 21, a driving processing unit 22, and a color filter 23; wherein the random access processor 21 is configured to receive the first display data; the drive processing unit 22 maps the first display data to the second display data; the color filter 23 is used to realize normal display. The arrangement of the color filters 23 can prevent the display of the display panel from generating a zigzag or color cast problem, so that the display panel realizes normal display.

Referring to fig. 8 and 9, fig. 8 is a schematic diagram illustrating a composition of a driving processing unit in the present application; FIG. 9 is a flowchart of a driving module according to an embodiment of the present application for processing first display data; the drive processing unit 22 in the display panel performs an operation of mapping first display data of a plurality of image sub-pixels into second display data for driving the respective display sub-pixels of the display panel to emit light, the drive processing unit 22 including a shift register 24, a first data register 25 and a second data register 26; wherein the step of the drive processing unit 22 performing mapping of the first display data of the plurality of image sub-pixels to the second display data for driving the respective display sub-pixels of the display panel to emit light includes:

s23: the random access memory stores first display data of a plurality of image sub-pixels in an image to be displayed, and transmits the first display data to the shift register.

The ram 21 is mainly used for obtaining and storing the first display data of a plurality of image sub-pixels in the image to be displayed from the obtaining module 1, and the ram 21 is connected to the shift register 24 and transmits the first display data to the shift register 24.

S24: the shift register processes the obtained first display data to obtain second display data.

In an embodiment, S24 further includes S241: the first display data is mapped to at least two second display data.

By mapping the first display data into at least two second display data by the shift register 24, the setting of the same number of second display data can be realized, and less first display data information is required, so that the memory of the random access memory 21 storing the first display data can be reduced.

S25: the first data register performs a write operation on the second display data;

referring to fig. 10 and 11, fig. 10 is a schematic diagram illustrating another embodiment of a correspondence between image sub-pixels and display sub-pixels in the present application; FIG. 11 is a schematic diagram of another embodiment of a correspondence between image sub-pixels and display sub-pixels in the present application; in one embodiment, referring to fig. 4 and 5, the first data register performs a row write operation on the second display data arranged along the first direction X; in another embodiment, referring to fig. 10 and 11, the first data register performs a column write operation in the second direction Y on the second display data.

S26: the second data register performs a corresponding storage operation on the second display data.

The first data register 25 and the second data register 26 cyclically perform writing operations and storing operations until mapping of all the second display data is completed.

S27: the second data register passes the second display data to the display panel for display via the level shifter 27, the digital-to-analog converter 28 and the amplifier 29.

Preferably, step S27 further includes: the second data temporary storage device transfers the same group of second display data to the display panel for display for a plurality of times.

When each display unit includes four first display sub-pixels R2, four second display sub-pixels G2, and four third display sub-pixels B2. When the display unit is the R2G2B2 pixel arrangement as shown in fig. 5, that is, the color arrangement of the display sub-pixels in the display unit stacked in the second direction Y is the same, the second data register 26 may perform the step of transferring the second display data to the display panel for displaying. In an embodiment, when each display unit includes a number of display sub-pixels greater than 4 and a number of times 2, the step of transferring the second display data to the display panel for display may be performed multiple times by the second data register 26, so as to implement mapping of one image sub-pixel into a plurality of display sub-pixels of the same color.

In one embodiment, the second data register transfers the same set of second display data to the display panel for display multiple times by extending the working time of the second data register.

The second data register 26 may be configured to transfer the same set of second display data to the display panel for display a plurality of times by extending the operating time of the second data register 26.

The second data register 26 delivers the second display data to the display panel for display via the level shifter 27, the digital-to-analog converter 28 and the amplifier 29. When the first data register 25 and the digital-to-analog converter 28 communicate, the level shifter 27 is required to solve the level mapping problem between the two, so as to realize normal communication between the two, the digital-to-analog converter 28 converts the received digital signal into an analog signal for output, and the amplifier 29 amplifies the received analog signal.

The present application also includes a computer-readable storage medium having stored thereon computer program instructions which, when executed by a processor, implement the driving method of the display panel in the above-described embodiments. In an embodiment, the computer program instructions are stored in an integrated circuit IC of the display panel, facilitating the execution of the driving method in the above embodiment.

When the driving method in the application is applied, and the image pixel unit is arranged as R1G1B1 pixels, and the display unit is arranged as R2G2B2G2 pixels, the pixel mapping of the two groups of R2G2B2G2 pixels in the display unit can be completed only by one group of R1G1B1 image pixel units. When the display unit is arranged by R2G2B2 pixels, the pixel mapping of the four groups of R2G2B2 pixels in the display unit can be completed by only one group of R1G1B1 image pixel units. While the first data register 25 performs a row write operation on the second display data arranged in the first direction X; in another embodiment, the first data register 25 may also perform a column writing operation along the second direction Y on the second display data, which is implemented in various ways.

According to the method and the device, the first display data of at least part of the image sub-pixels are mapped into the second display data for driving at least two display sub-pixels with the same luminous color to emit light, so that the data size of the first display data can be reduced, the power consumption is further reduced, and the memory occupied by the first display data is reduced.

The foregoing description is only of embodiments of the present application, and is not intended to limit the scope of the patent application, and all equivalent structures or equivalent processes using the descriptions and the contents of the present application or other related technical fields are included in the scope of the patent application.

Claims (10)

1. A driving method of a display panel including a plurality of display sub-pixels, the driving method comprising:

acquiring an image to be displayed, wherein the image to be displayed comprises first display data of a plurality of image sub-pixels;

mapping first display data of a plurality of the image sub-pixels to second display data for driving display sub-pixels of the display panel to emit light, and mapping first display data of at least a part of the image sub-pixels to second display data for driving at least two of the display sub-pixels having the same emission color to emit light;

and displaying the display panel based on the second display data.

2. The driving method according to claim 1, wherein the image to be displayed includes a plurality of image pixel units, each of the image pixel units including a plurality of the image sub-pixels; the display panel comprises a plurality of display units, each display unit comprises a plurality of display sub-pixels, the luminous colors of at least two display sub-pixels of the display units are the same, one image pixel unit corresponds to one display unit, and the color of one image sub-pixel is the same as the luminous color of at least one display sub-pixel corresponding to the display unit;

wherein the step of mapping the first display data of the plurality of image sub-pixels to the second display data for driving the display sub-pixels of the display panel to emit light comprises:

determining a display unit corresponding to each image pixel unit;

and mapping the first display data of each image sub-pixel in each image pixel unit into second display data for driving the display sub-pixel with corresponding light emitting color in the corresponding display unit to emit light.

3. The driving method according to claim 2, wherein each of the image pixel units includes a first image sub-pixel, a second image sub-pixel, and a third image sub-pixel;

each display unit comprises at least one first display sub-pixel, at least two second display sub-pixels and at least one third display sub-pixel;

the first display data of the first image sub-pixel is mapped to second display data for driving the at least one first display sub-pixel to emit light, the first display data of the second image sub-pixel is mapped to second display data for driving the at least two second display sub-pixels to emit light, and the first display data of the third image sub-pixel is mapped to second display data for driving the at least one third display sub-pixel to emit light.

4. The driving method according to claim 2, wherein each of the display units includes one first display sub-pixel, two second display sub-pixels, and one third display sub-pixel;

preferably, a plurality of display sub-pixels in the same display unit are arranged at intervals along a first direction, and the first display sub-pixel or the third display sub-pixel is arranged between two second display sub-pixels at intervals;

alternatively, each of the display units includes two of the first display sub-pixels, four of the second display sub-pixels, and two of the third display sub-pixels.

5. The driving method according to claim 2, wherein each of the display units includes two first display sub-pixels, two second display sub-pixels, and two third display sub-pixels;

preferably, a plurality of display sub-pixels in the same display unit are arranged at intervals along a first direction; the first display sub-pixels, the second display sub-pixels and the third display sub-pixels are sequentially arranged in a combination mode at intervals in a first direction;

or, the first display sub-pixel, the second display sub-pixel and the third display sub-pixel are arranged in sequence at intervals in the second direction.

6. The driving method according to claim 1, wherein a first rendering mode and a second rendering mode are stored in the display panel, wherein first display data of at least part of the image sub-pixels in the first rendering mode is mapped to second display data for driving light emission of at least 2N display sub-pixels having the same emission color, and first display data of one of the image sub-pixels in the second rendering mode is mapped to second display data for driving light emission of N display sub-pixels having the same emission color, wherein N is a positive integer; the step of mapping the first display data of the plurality of image sub-pixels to second display data for driving the respective display sub-pixels of the display panel to emit light may be preceded by:

judging whether the current rendering mode is the first rendering mode or not;

if yes, a step of mapping the first display data of a plurality of the image sub-pixels into second display data for driving each display sub-pixel of the display panel to emit light, and mapping at least part of the first display data of the image sub-pixels into second display data for driving 2N display sub-pixels with the same emitting color to emit light;

otherwise, the second rendering mode is entered.

7. A driving apparatus of a display panel, the apparatus comprising:

the acquisition module is used for acquiring the image to be displayed, wherein the image to be displayed comprises first display data of a plurality of image sub-pixels;

the driving module is used for processing the acquired first display data by using the driving method in claims 1-6, converting the first display data into second display data and outputting the second display data to the display module;

and the display module is used for displaying and outputting the mapped second display data.

8. The driving device according to claim 7, wherein,

the driving module comprises a random access processor, a driving processing unit and a color filter; the random access processor is used for receiving and transmitting the first display data, the driving processing unit maps the first display data into the second display data, and the color filter is used for realizing normal display;

preferably, the driving processing unit includes a shift register, a first data register and a second data register; wherein, the liquid crystal display device comprises a liquid crystal display device,

the random access memory is used for storing first display data of a plurality of image sub-pixels in an image to be displayed and transmitting the first display data to the shift register;

the shift register processes the obtained first display data to obtain second display data;

the first data register performs a write operation on the second display data;

the second data register performs corresponding storage and output operations on the second display data;

preferably, the shift register maps the obtained first display data to at least two second display data.

9. The driving apparatus as claimed in claim 8, wherein the second data register transfers the second display data to the display panel for display via a level shifter, a digital-to-analog converter and an amplifier;

preferably, the second data temporary storage device transfers the same group of second display data to the display panel for display for a plurality of times;

preferably, the second data register transfers the same set of second display data to the display panel for display a plurality of times by extending the working time of the second data register.

10. A computer readable storage medium, wherein computer program instructions are stored on the computer readable storage medium, which when executed by a processor, implement a method of driving a display panel according to any one of claims 1-6.

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