CN109859707B

CN109859707B - Driving method and driving system of display panel

Info

Publication number: CN109859707B
Application number: CN201910089253.3A
Authority: CN
Inventors: 单剑锋
Original assignee: HKC Co Ltd
Current assignee: HKC Co Ltd
Priority date: 2019-01-30
Filing date: 2019-01-30
Publication date: 2021-01-08
Anticipated expiration: 2039-01-30
Also published as: CN109859707A

Abstract

The invention discloses a driving method and a driving system of a display panel, wherein the driving method comprises the following steps: pre-dividing the signal into a plurality of signal judgment intervals, and setting preset conditions for the corresponding signal judgment intervals; receiving and converting the red sub-pixel signals, the green sub-pixel signals and the blue sub-pixel signals to obtain a plurality of color space signals under a lightness chroma hue system; comparing and judging the proportion of the number of the color space signals in each signal judgment interval to the total number of the color space signals; respectively judging whether preset standard proportion values are met, and searching a maximum proportion interval; determining the sub-pixel to be judged as a first driving mode sub-pixel or a second driving mode sub-pixel according to the maximum proportion interval; and driving the first sub-pixel and the second sub-pixel corresponding to the sub-pixel in the first driving mode in a first driving mode, and simultaneously driving the first sub-pixel and the second sub-pixel corresponding to the sub-pixel in the second driving mode in a second driving mode.

Description

Driving method and driving system of display panel

Technical Field

The present invention relates to the field of display technologies, and in particular, to a driving method and a driving system for a display panel.

Background

Most of large-sized liquid crystal display panels adopt a negative Vertical Alignment (VA) liquid crystal or In-plane switching (IPS) liquid crystal technology, and the VA liquid crystal technology has the advantages of higher production efficiency and lower manufacturing cost compared with the IPS liquid crystal technology, but has a more obvious optical property defect compared with the IPS liquid crystal technology In terms of optical property, and particularly, the large-sized panels need a larger viewing angle In commercial application, that is, have more serious color cast.

Therefore, how to improve color shift is an important research topic for those skilled in the art.

Disclosure of Invention

The invention aims to provide a driving method and a driving system of a display panel capable of effectively improving color cast.

The invention discloses a driving method of a display panel, wherein the display panel comprises a plurality of pixels, and each pixel comprises a red sub-pixel, a green sub-pixel and a blue sub-pixel; at least one of the sub-pixels is a sub-pixel to be judged, two adjacent sub-pixels to be judged with the same color are used as a sub-pixel group to be judged, and each sub-pixel group to be judged comprises a first sub-pixel and a second sub-pixel; the driving method includes the steps of:

dividing the color space signal corresponding to the pixel into a plurality of signal judgment intervals in advance, and setting preset conditions for the corresponding signal judgment intervals;

receiving all the red sub-pixel signals, the green sub-pixel signals and the blue sub-pixel signals, and converting the red sub-pixel signals, the green sub-pixel signals and the blue sub-pixel signals to obtain a plurality of color space signals under a lightness chroma hue system;

comparing and judging the proportion of the number of the color space signals in each signal judgment interval to the total number of the color space signals; respectively judging whether the proportion of the number of the color space signals in each signal judgment interval to the total number of the color space signals meets a preset standard proportion value or not, and searching a signal judgment interval with the maximum proportion in the intervals meeting the preset standard proportion value and preset conditions as a maximum proportion interval; determining the sub-pixel to be judged as a first driving mode sub-pixel or a second driving mode sub-pixel according to the maximum proportion interval;

driving a first sub-pixel and a second sub-pixel corresponding to the sub-pixel in the first driving mode in a first driving mode, and simultaneously driving the first sub-pixel and the second sub-pixel corresponding to the sub-pixel in the second driving mode in a second driving mode;

in the first driving mode and the second driving mode, the average gray scales of the sub-pixel signals corresponding to the first sub-pixel and the second sub-pixel are equivalent, and the gray scale difference is different.

Optionally, the step of receiving all the red sub-pixel signals, the green sub-pixel signals, and the blue sub-pixel signals, and converting the red sub-pixel signals, the green sub-pixel signals, and the blue sub-pixel signals to obtain a plurality of color space signals under a lightness chroma hue system includes:

receiving K red sub-pixel signals, K green sub-pixel signals and K blue sub-pixel signals, and correspondingly calculating a group of red sub-pixel signals, green sub-pixel signals and blue sub-pixel signals corresponding to the same pixel to obtain color space signals under a lightness chroma hue system;

obtaining K color space signals after the calculation is finished;

where K is equal to the number of all pixels.

receiving K red sub-pixel signals, K green sub-pixel signals and K blue sub-pixel signals, calculating and correspondingly converting an average value of two red sub-pixel signals corresponding to two adjacent pixels, an average value of two green sub-pixel signals corresponding to two adjacent pixels and an average value of two blue sub-pixel signals corresponding to two adjacent pixels into a group to obtain a color space signal under a lightness chroma hue system;

obtaining K/2 color space signals after the calculation is finished;

where K is equal to the number of all pixels.

Optionally, the hue range of the color space signal is: 0-360 degrees, corresponding to 0-360 degrees;

the step of dividing the color space signal corresponding to the pixel into a plurality of signal judgment sections in advance comprises the following steps:

dividing color space signals of which the hue H meets the following formula into red signal judgment intervals: h is more than 0 and less than or equal to 45, or H is more than 315 and less than or equal to 360;

dividing color space signals of which the hue H meets the following formula into green signal judgment intervals: h is more than 135 and less than or equal to 205;

dividing the color space signal with hue H satisfying the following formula into other signal judgment intervals: h is more than 45 and less than or equal to 135, or H is more than 205 and less than or equal to 315.

Optionally, the preset condition is divided according to the chroma of the color space signal; when the chroma C of the color space signal satisfies the following formula: and when the C is more than or equal to 40 and less than or equal to 80, judging that the preset condition corresponding to the signal judgment interval is met.

Optionally, the step of determining, according to the maximum proportion interval, that the sub-pixel to be determined is a first driving method sub-pixel or a second driving method sub-pixel includes:

if the maximum proportion interval is a red signal judgment interval, driving the first sub-pixels and the second sub-pixels corresponding to all the red sub-pixels in a first driving mode, and simultaneously driving the first sub-pixels and the second sub-pixels corresponding to all the green sub-pixels in a second driving mode;

if the maximum proportion interval is the green signal judgment interval, driving the first sub-pixels and the second sub-pixels corresponding to all the green sub-pixels in a first driving mode; and simultaneously, driving the first sub-pixel and the second sub-pixel corresponding to the red sub-pixel in a second driving mode.

Optionally, the display panel divides the pixels into a plurality of blocks according to physical positions; comparing and judging the proportion of the number of the color space signals in each signal judgment interval to the total number of the color space signals; respectively judging whether the proportion of the number of the color space signals in each signal judgment interval to the total number of the color space signals meets a preset standard proportion value or not, and searching a signal judgment interval with the maximum proportion in the intervals meeting the preset standard proportion value and preset conditions as a maximum proportion interval; according to the maximum proportion interval, the step of determining the sub-pixel to be judged as the first driving mode sub-pixel or the second driving mode sub-pixel comprises the following steps: comparing and judging the proportion of the number of the color space signals in each signal judgment interval to the total number of the color space signals by taking each block as a unit; respectively judging whether the proportion of the number of the color space signals in each signal judgment interval to the total number of the color space signals meets a preset standard proportion value or not, and searching a signal judgment interval with the maximum proportion in the intervals meeting the preset standard proportion value and preset conditions as a maximum proportion interval; and respectively determining the first sub-pixel to be judged and the second sub-pixel to be judged as the first driving mode sub-pixel or the second driving mode sub-pixel according to the maximum proportion interval.

Optionally, the first driving method is to average gray-scale values corresponding to original sub-pixel signals corresponding to a first sub-pixel and a second sub-pixel in each sub-pixel group to be determined, and then find corresponding sub-pixel high-voltage signals and sub-pixel low-voltage signals according to the average values and a preset lookup table, so as to drive the first sub-pixel and the second sub-pixel corresponding to the sub-pixel to be determined; the second driving mode is to drive the first sub-pixel and the second sub-pixel corresponding to the sub-pixel to be determined without processing the original sub-pixel signals corresponding to the first sub-pixel and the second sub-pixel in each sub-pixel group to be determined.

The invention also discloses a driving method of the display panel, wherein the display panel comprises a plurality of pixels; the display panel divides the pixels into a plurality of blocks according to physical position adjacency; the pixels comprise red sub-pixels, green sub-pixels and blue sub-pixels; the pixels comprise a first to-be-determined sub-pixel and a second to-be-determined sub-pixel, the first to-be-determined sub-pixel is all green sub-pixels in a corresponding block, and the second to-be-determined sub-pixel is all red sub-pixels in the corresponding block; two adjacent green sub-pixels are used as a green judgment sub-pixel group, and each green judgment sub-pixel group comprises a first green sub-pixel and a second green sub-pixel; two adjacent red sub-pixels are used as a red judging sub-pixel group, and each red judging sub-pixel group comprises a first red sub-pixel and a second red sub-pixel; the driving method includes the steps of:

the hue H satisfies the formula in advance: dividing the color space signal with H more than 0 and less than or equal to 45 or H more than 315 and less than or equal to 360 into a first signal judgment interval; the hue H satisfies the formula: the color space signal with H more than 45 and less than or equal to 135 is divided into a second signal judgment interval: the hue H satisfies the formula: dividing the color space signal with H more than 135 and less than or equal to 205 into a third signal judgment interval; the hue H satisfies the formula: the color space signal with H more than 205 and less than or equal to 245 is divided into a fourth signal judgment interval: the hue H satisfies the formula: dividing the color space signal with H more than 245 and less than or equal to 295 into a fifth signal judgment interval; the hue H satisfies the formula: the color space signal with H more than 295 and less than or equal to 315 is divided into a sixth signal judgment interval: respectively setting preset conditions for a first signal judgment interval, a second signal judgment interval, a third signal judgment interval, a fourth signal judgment interval, a fifth signal judgment interval and a sixth signal judgment interval;

receiving K red sub-pixel signals, K green sub-pixel signals and K blue sub-pixel signals by taking a block as a unit, and correspondingly calculating to obtain a color space signal under a lightness chroma hue system by taking an average value of two red sub-pixel signals corresponding to two adjacent pixels, an average value of two green sub-pixel signals corresponding to two adjacent pixels and an average value of two blue sub-pixel signals corresponding to two adjacent pixels as a group; obtaining K/2 color space signals after the calculation is finished; wherein K is equal to the number of all pixels;

comparing and judging the proportion of the number of the color space signals in each signal judgment interval to the total number of the color space signals; respectively judging whether the proportion of the number of the color space signals in each signal judgment interval to the total number of the color space signals meets a preset standard proportion value or not, and searching a signal judgment interval with the maximum proportion in the intervals meeting the preset standard proportion value and preset conditions as a maximum proportion interval;

if the maximum proportion interval is the first signal judgment interval, determining that a first red sub-pixel and a second red sub-pixel in the block are driven in a first driving mode, and simultaneously determining that a first green sub-pixel and a second green sub-pixel in the block are driven in a second driving mode;

if the maximum proportion interval is the second signal judgment interval, determining that the first green sub-pixel and the second green sub-pixel in the block are driven in the first driving mode, and the first red sub-pixel and the second red sub-pixel in the block are driven in the first driving mode;

if the maximum proportion interval is the third signal judgment interval, determining that the first green sub-pixel and the second green sub-pixel in the block are driven in the first driving mode, and simultaneously determining that the first red sub-pixel and the second red sub-pixel in the block are driven in the second driving mode;

if the maximum proportion interval is the fourth signal judgment interval, determining that the first green sub-pixel and the second green sub-pixel in the block are driven in the first driving mode, and simultaneously determining that the first red sub-pixel and the second red sub-pixel in the block are driven in the second driving mode;

if the maximum proportion interval is the fifth signal judgment interval, determining that the first green sub-pixel and the second green sub-pixel in the block are driven in the second driving mode, and the first red sub-pixel and the second red sub-pixel in the first red sub-pixel block and the second red sub-pixel block in the block are driven in the second driving mode;

if the maximum proportion interval is the sixth signal judgment interval, determining that the first red sub-pixel and the second red sub-pixel in the block are driven in the first driving mode, and determining that the first green sub-pixel and the second green sub-pixel in the block are driven in the second driving mode;

determining to drive all the blue sub-pixels in a first driving manner;

the first driving mode is that after the gray-scale values corresponding to the original sub-pixel signals corresponding to the first sub-pixel and the second sub-pixel in each sub-pixel group to be determined are averaged, the corresponding sub-pixel high-voltage signal and sub-pixel low-voltage signal are found according to the average value and a preset lookup table, and the first driving mode is used for driving the first sub-pixel and the second sub-pixel corresponding to the sub-pixel to be determined; the second driving mode is that original sub-pixel signals corresponding to the first sub-pixel and the second sub-pixel in each sub-pixel group to be judged are not processed and are used for driving the first sub-pixel and the second sub-pixel corresponding to the sub-pixel to be judged;

the average gray scale of the sub-pixel high-voltage signal and the sub-pixel low-voltage signal corresponding to each sub-pixel group to be determined is equivalent to the average gray scale of the two corresponding original sub-pixel signals; the gray scale difference between the sub-pixel high voltage signal and the sub-pixel low voltage signal is larger than the gray scale difference between the two corresponding original sub-pixel signals.

The invention also discloses a driving system of the display panel, wherein the display panel comprises a plurality of pixels, and each pixel comprises a plurality of different-color sub-pixels; at least one of the sub-pixels is a sub-pixel to be judged, two adjacent sub-pixels to be judged with the same color are used as a sub-pixel group to be judged, and each sub-pixel group to be judged comprises a first sub-pixel and a second sub-pixel;

the drive system includes: the presetting module is used for dividing the color space signals corresponding to the pixels into a plurality of signal judging intervals in advance and setting preset conditions for the corresponding signal judging intervals; the conversion module is used for receiving first color signals corresponding to all pixels and converting the first color signals to obtain color space signals; the processing module compares and judges the proportion of the number of the color space signals in each signal judgment interval to the total number of the color space signals; respectively judging whether the proportion of the number of the color space signals in each signal judgment interval to the total number of the color space signals meets a preset standard proportion value or not, and searching a signal judgment interval with the maximum proportion in the intervals meeting the preset standard proportion value and preset conditions as a maximum proportion interval; determining the sub-pixel to be judged as a first driving mode sub-pixel or a second driving mode sub-pixel according to the maximum proportion interval; and driving the first sub-pixel and the second sub-pixel corresponding to the sub-pixel in the first driving mode in a first driving mode, and simultaneously driving the first sub-pixel and the second sub-pixel corresponding to the sub-pixel in the second driving mode in a second driving mode. Compared with the scheme that the color cast is improved by dividing each pixel into the main pixel and the sub pixel and connecting the discharge switch and the discharge capacitor to the sub pixel, the main pixel and the sub pixel have different charging voltages. According to the method, a color space signal which can better reflect hue and chroma distribution conditions is obtained through conversion according to the sub-pixel signal of the sub-pixel to be judged, the color cast degree of a current picture can be judged better according to the distribution condition, the maximum proportion section, the hue and the chroma parameters of the color space signal in each signal section, and accordingly, the adjustment mode is selected, when the signal distribution of the current picture is balanced and the color cast is not locally concentrated, the adjustment mode with smaller gray scale difference can be selected to drive the sub-pixel to be judged, so that the graininess is improved while the serious color cast is not generated; similarly, if the signal distribution of the current picture in each signal judgment interval is not uniform and local color cast is likely to occur in the maximum proportion interval and the like, an adjustment mode with larger gray scale difference can be selected to drive the sub-pixels to be judged so as to improve the color cast; therefore, the adjustment mode is selected according to the actual situation of the current picture, and the display effect of the picture can be better improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the application, are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

FIG. 1 is a schematic diagram of color shift of various representative color systems of a liquid crystal display;

FIG. 2 is a first schematic diagram of an exemplary scheme for dividing a pixel into primary/secondary pixels;

FIG. 3 is a second schematic diagram of an exemplary scheme for dividing a pixel into primary/secondary pixels;

FIG. 4 is a flow chart of a driving method according to an embodiment of the present invention;

FIG. 5 is a flow chart of a driving method according to another embodiment of the present invention;

FIG. 6 is a schematic diagram of a pixel arrangement of a display panel according to an embodiment of the invention;

FIG. 7 is a schematic diagram illustrating pixel signal driving of a display panel according to an embodiment of the invention;

FIG. 8 is a flowchart of another driving method according to an embodiment of the present invention

Fig. 9 is a schematic diagram of a driving system of a display panel according to an embodiment of the invention.

100, a driving system; 10. presetting a module; 20. a conversion module; 30. and a processing module.

Detailed Description

It is to be understood that the terminology, the specific structural and functional details disclosed herein are for the purpose of describing particular embodiments only, and are representative, but that the present application may be embodied in many alternate forms and should not be construed as limited to only the embodiments set forth herein.

In the description of the present application, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating relative importance or as implicitly indicating the number of technical features indicated. Thus, unless otherwise specified, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; "plurality" means two or more. The terms "comprises" and "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that one or more other features, integers, steps, operations, elements, components, and/or combinations thereof may be present or added.

Further, terms of orientation or positional relationship indicated by "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, are described based on the orientation or relative positional relationship shown in the drawings, are simply for convenience of description of the present application, and do not indicate that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.

Furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, fixed connections, removable connections, and integral connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Fig. 1 is a schematic diagram of color shift of various representative color systems of a liquid crystal display, and referring to fig. 1, it can be clearly seen that, more or less color shifts exist in each representative color system, and the larger the ordinate is, the more serious the color shift is, and the more serious the color shift is in R color system and green color system.

An exemplary solution is to subdivide each Sub-pixel of RGB (Red, Green, Blue) into primary/secondary pixels (Main/Sub) so that the overall large-view luminance is closer to the front view with voltage variation.

Fig. 2 is a first schematic diagram of an exemplary scheme for dividing a pixel into primary/secondary pixels, and fig. 3 is a second schematic diagram of an exemplary scheme for dividing a pixel into primary/secondary pixels, as can be seen with reference to fig. 2 and 3, wherein the x-coordinate, the y-coordinate, and the z-coordinate respectively represent three directions of a three-dimensional space; the thetaa represents the pretilt angle at which the main pixel has a large voltage, and the thetab represents the pretilt angle at which the sub pixel has a small voltage.

Specifically, the original signal is divided into a primary pixel and a secondary pixel with large voltage and small voltage, the front-view large voltage and the small voltage are added to maintain the change of the original front-view signal along with the brightness, the side-view brightness seen by the large voltage changes along with the gray scale as PartA in fig. 1, and the side-view brightness seen by the small voltage changes along with the gray scale as PartB in fig. 1. Therefore, the brightness of the side view synthesis is changed from the arc line segments of the two dotted lines to the arc line segments of the solid line along with the change of the gray scale, so that the change relation of the brightness of the view angle along with the signal is close to that of the brightness of the front view original signal along with the change of the signal, and the view angle is improved.

The defect of color deviation of a viewing angle is solved by applying different driving voltages to the main pixel and the sub-pixel in space, so that the design of the pixel usually needs to design a metal wire or a Thin Film Transistor (TFT) element to drive the sub-pixel, the light-permeable opening area is sacrificed, the panel transmittance is influenced, and the backlight cost is directly improved.

The invention is described in detail below with reference to the figures and alternative embodiments.

Fig. 4 is a flow chart of a driving method according to an embodiment of the present invention, fig. 5 is a flow chart of a driving method according to another embodiment of the present invention, and referring to fig. 4 and fig. 5, it can be known from fig. 1 to fig. 3 that:

the invention also discloses a driving method of the display panel, wherein the display panel comprises a plurality of pixels, and each pixel comprises a red sub-pixel, a green sub-pixel and a blue sub-pixel; at least one of the sub-pixels is a sub-pixel to be judged, two adjacent sub-pixels to be judged with the same color are used as a sub-pixel group to be judged, and each sub-pixel group to be judged comprises a first sub-pixel and a second sub-pixel; the driving method includes the steps of:

s11: dividing the color space signal corresponding to the pixel into a plurality of signal judgment intervals in advance, and setting preset conditions for the corresponding signal judgment intervals;

s12: receiving all the red sub-pixel signals, the green sub-pixel signals and the blue sub-pixel signals, and converting the red sub-pixel signals, the green sub-pixel signals and the blue sub-pixel signals to obtain a plurality of color space signals in a Lightness Chroma Hue system (Lightness, Chroma, Hue, LCH);

s13: comparing and judging the proportion of the number of the color space signals in each signal judgment interval to the total number of the color space signals; respectively judging whether the proportion of the number of the color space signals in each signal judgment interval to the total number of the color space signals meets a preset standard proportion value or not, and searching a signal judgment interval with the maximum proportion in the intervals meeting the preset standard proportion value and preset conditions as a maximum proportion interval; determining the sub-pixel to be judged as a first driving mode sub-pixel or a second driving mode sub-pixel according to the maximum proportion interval;

s14: driving a first sub-pixel and a second sub-pixel corresponding to the sub-pixel in the first driving mode in a first driving mode, and simultaneously driving the first sub-pixel and the second sub-pixel corresponding to the sub-pixel in the second driving mode in a second driving mode;

As shown in fig. 1 and 2, the Main pixel and the Sub-pixel have different charging voltages to improve color shift by dividing each pixel into Main and Sub pixels and connecting a discharging switch and a discharging capacitor to the Sub-pixel for convenience. According to the method, a color space signal which can better reflect hue and chroma distribution conditions is obtained through conversion according to the sub-pixel signal of the sub-pixel to be judged, the color cast degree of a current picture can be judged better according to the distribution condition, the maximum proportion section, the hue and the chroma parameters of the color space signal in each signal section, and accordingly, the adjustment mode is selected, when the signal distribution of the current picture is balanced and the color cast is not locally concentrated, the adjustment mode with smaller gray scale difference can be selected to drive the sub-pixel to be judged, so that the graininess is improved while the serious color cast is not generated; similarly, if the signal distribution of the current picture in each signal judgment interval is not uniform and local color cast is likely to occur in the maximum proportion interval and the like, an adjustment mode with larger gray scale difference can be selected to drive the sub-pixels to be judged so as to improve the color cast; therefore, the adjustment mode is selected according to the actual situation of the current picture, and the display effect of the picture can be better improved.

The preset standard proportion value is set to be hooked with the number of the divided signal judgment intervals, when the number of the signal judgment intervals is large, the preset standard proportion value is small, and when the number of the signal judgment intervals is small, the preset standard proportion value is large; for example, when the number of the signal determination sections is 3, the preset criterion proportion value of the three signal determination sections may be Gth 1-Gth 2-Gth 3-30%, and of course, the preset criterion proportion value may be set differently and adjusted according to actual conditions.

The average gray scale, i.e. the gray scale value of the sub-pixel signal corresponding to the first sub-pixel, is equal to the average value of the gray scale values of the sub-pixel signal corresponding to the second sub-pixel, i.e. the average brightness of the first sub-pixel and the second sub-pixel is equivalent in the first adjustment mode and the second adjustment mode. The average gray levels are equivalent, that is, the average gray levels of the first sub-pixel and the second sub-pixel are the same in the first adjustment mode and the second adjustment mode, and certainly, the average gray levels of the first sub-pixel and the second sub-pixel are not completely consistent in the first adjustment mode and the second adjustment mode, but the difference between the average gray levels is smaller than a preset range, for example, when the error is smaller than 0.5 gray level, the two average gray levels can be considered to be equivalent in size.

In addition, the invention can use two adjacent same-color sub-pixels to realize the average value of brightness without changing the structure of the pixel, namely, without reducing the aperture ratio, thus improving the color cast by proper signal design on the basis of not reducing the aperture ratio.

In an embodiment, the step of receiving all the red, green and blue sub-pixel signals, and converting the red, green and blue sub-pixel signals to obtain a plurality of color space signals S12 under the LCH system includes: receiving K red sub-pixel signals, K green sub-pixel signals and K blue sub-pixel signals, and correspondingly calculating a group of red sub-pixel signals, green sub-pixel signals and blue sub-pixel signals corresponding to the same pixel to obtain color space signals under an LCH system;

obtaining K color space signals after the calculation is finished;

where K is equal to the number of all pixels.

In this embodiment, each pixel includes a red sub-pixel signal, a green sub-pixel signal, and a blue sub-pixel signal, and a color space signal under an LCH system is calculated, so that the display condition of each pixel can be better reflected according to the proportional distribution condition and the maximum proportional interval calculated from the color space signal, and the sub-pixel to be determined is driven by selecting a more suitable adjustment driving method.

In an embodiment, the step S12 of receiving all the red sub-pixel signals, the green sub-pixel signals and the blue sub-pixel signals, and converting the red sub-pixel signals, the green sub-pixel signals and the blue sub-pixel signals to obtain a plurality of color space signals under the LCH system includes: receiving K red sub-pixel signals, K green sub-pixel signals and K blue sub-pixel signals, calculating and correspondingly converting an average value of two red sub-pixel signals corresponding to two adjacent pixels, an average value of two green sub-pixel signals corresponding to two adjacent pixels and an average value of two blue sub-pixel signals corresponding to two adjacent pixels into a group to obtain a color space signal under an LCH system;

obtaining K/2 color space signals after the calculation is finished;

where K is equal to the number of all pixels.

In the embodiment, a red average value is calculated by using red sub-pixel signals corresponding to two adjacent pixels, a green average value is calculated by using green sub-pixel signals corresponding to two adjacent pixels, a blue average value is calculated by using blue sub-pixel signals corresponding to two adjacent pixels, and a color space signal under an LCH system is calculated according to the red average value, the green average value and the blue average value, so that not only can the proportion distribution condition and the maximum proportion interval obtained by calculation according to the color space signal be better reflected, but also the display condition of each pixel can be better reflected, and the sub-pixel to be judged is driven by selecting a more applicable adjustment driving mode; moreover, the calculation amount can be simplified, and the calculation efficiency can be improved.

In one embodiment, the hue ranges of the color space signals are: 0-360 degrees, corresponding to 0-360 degrees; in step S11, the color space signals corresponding to the pixels are divided into a plurality of signal determination sections:

In this embodiment, when the current picture is biased to a red hue or a green hue, the degree of color bias of the picture is very serious, specifically, the maximum proportion interval falls in the red signal judgment interval or the green signal judgment interval; at this time, emphasis should be placed on improving color shift, that is, a driving mode with a large gray scale difference is adopted to drive the sub-pixels to be determined; and when the maximum proportion interval falls into other signal judgment intervals, the color cast is relatively less serious, the granular sensation is relatively lighter, and at the moment, the sub-pixel to be judged can be driven by selecting the first driving mode or the second driving mode.

In one embodiment, the preset condition is divided according to chroma of the color space signal; when the chroma C of the color space signal satisfies the following formula: and when the C is more than or equal to 40 and less than or equal to 80, judging that the preset condition corresponding to the signal judgment interval is met.

In this embodiment, for the sub-pixel signals of the same color sub-pixel, in the range of chroma 0-100, since chroma is closely related to hue, the closer to chroma 50, the closer to the middle chroma, the corresponding hue is also in the middle hue, and the color cast is severe at this time, the color cast improvement mechanism is started, so that a better color cast improvement effect can be achieved; meanwhile, in a general picture, the occupation ratio of the intermediate chroma is large, and the color cast is also required to be improved most. Particularly, when the hue sections are a red hue section and a green hue section, the color shift is more obvious, and therefore, in this case, the corresponding sub-pixels to be determined need to be driven in the first driving manner, so that the color shift can be improved.

More specifically, the preset conditions may be set to different ranges for different hue intervals, for example, the preset condition corresponding to the red signal judgment interval may be set to 40 ≦ C ≦ 80, and the preset condition corresponding to the green signal judgment interval may be set to 50 ≦ C ≦ 70.

In an embodiment, the step S13 of determining the sub-pixel to be determined to be the first driving method sub-pixel or the second driving method sub-pixel according to the maximum ratio interval includes:

s131: if the maximum proportion interval is a red signal judgment interval, driving the first sub-pixels and the second sub-pixels corresponding to all the red sub-pixels in a first driving mode, and simultaneously driving the first sub-pixels and the second sub-pixels corresponding to all the green sub-pixels in a second driving mode;

s132: if the maximum proportion interval is the green signal judgment interval, driving the first sub-pixels and the second sub-pixels corresponding to all the green sub-pixels in a first driving mode; and simultaneously, driving the first sub-pixel and the second sub-pixel corresponding to the red sub-pixel in a second driving mode.

In this embodiment, if the maximum ratio interval is the red or green signal determination interval, it indicates that the current frame is biased toward the red color system or the green color system, and the color bias of the frame is severe in the red color system or the green color system, so that the first driving method with a larger gray level difference needs to be used to drive the corresponding sub-pixel to be determined to improve the color bias.

In one embodiment, the display panel divides pixels into a plurality of blocks according to physical position adjacency; comparing and judging the proportion of the number of the color space signals in each signal judgment interval to the total number of the color space signals; respectively judging whether the proportion of the number of the color space signals in each signal judgment interval to the total number of the color space signals meets a preset standard proportion value or not, and searching a signal judgment interval with the maximum proportion in the intervals meeting the preset standard proportion value and preset conditions as a maximum proportion interval; according to the maximum proportion interval, the step of determining the sub-pixel to be judged as the first driving mode sub-pixel or the second driving mode sub-pixel comprises the following steps: comparing and judging the proportion of the number of the color space signals in each signal judgment interval to the total number of the color space signals by taking each block as a unit; respectively judging whether the proportion of the number of the color space signals in each signal judgment interval to the total number of the color space signals meets a preset standard proportion value or not, and searching a signal judgment interval with the maximum proportion in the intervals meeting the preset standard proportion value and preset conditions as a maximum proportion interval; and respectively determining the first sub-pixel to be judged and the second sub-pixel to be judged as the first driving mode sub-pixel or the second driving mode sub-pixel according to the maximum proportion interval.

The dividing of the pixels into blocks by physical adjacent positions means that a predetermined number of pixels are taken as a block in the direction of the data line and the scan line, for example, 10 pixels are taken in the direction of the data line, and 10 pixels are taken in the direction of the scan line, so that a block including 10 × 10 pixels is obtained, and the display panel can be divided into a plurality of blocks by the analogy.

In this embodiment, each block includes a plurality of pixels in physical proximity, and each block is independently calculated, so that a determination result more conforming to the actual display condition of the block can be obtained, and a correct determination result is used as a basis for selecting an adjustment mode, thereby achieving a better display effect.

Fig. 6 is a schematic diagram of a pixel arrangement of a display panel according to an embodiment of the invention, fig. 7 is a schematic diagram of a pixel signal driving of a display panel according to an embodiment of the invention, and referring to fig. 6 and 7, it can be known from fig. 3 to 5 that: in fig. 6, R1,1, G1,1 and B1,1 corresponding to the dotted frame are shown as one pixel unit; the n × m pixel units may be the number of pixels of the entire display panel, or the number of pixels of one block. Of course, only the red sub-pixel or the green sub-pixel may be set as the sub-pixel to be determined.

The virtual frame shown in fig. 7 corresponds to a group of corresponding first to-be-determined sub-pixels and second to-be-determined sub-pixels, and the physical positions of the two corresponding to-be-determined sub-pixels are adjacent to each other, so as to realize the presentation of an average gray scale. The blue sub-pixels can be driven by adopting an adjusting mode with large gray scale difference.

In one embodiment, the pixels include a red sub-pixel, a green sub-pixel, and a blue sub-pixel; the pixels comprise a first to-be-determined sub-pixel and a second to-be-determined sub-pixel, the first to-be-determined sub-pixel is all green sub-pixels in a corresponding block, and the second to-be-determined sub-pixel is all red sub-pixels in the corresponding block; two adjacent sub-pixels to be judged with the same color are used as a sub-pixel group to be judged, and each sub-pixel group to be judged comprises a first sub-pixel and a second sub-pixel.

In this embodiment, since human eyes are sensitive to the particle occurrence situation of the red sub-pixel and the green sub-pixel, the red sub-pixel and the green sub-pixel are used as the sub-pixels to be determined, and the adjustment manner is determined and selected respectively, so as to improve the color shift or the particle occurrence situation in a targeted manner, thereby improving the display effect.

In an embodiment, the first driving method is to average gray-scale values corresponding to original sub-pixel signals corresponding to a first sub-pixel and a second sub-pixel in each sub-pixel group to be determined, and then find corresponding sub-pixel high-voltage signals and sub-pixel low-voltage signals according to the average values and a preset lookup table, so as to drive the first sub-pixel and the second sub-pixel corresponding to the sub-pixel to be determined; the second driving mode is to drive the first sub-pixel and the second sub-pixel corresponding to the sub-pixel to be determined without processing the original sub-pixel signals corresponding to the first sub-pixel and the second sub-pixel in each sub-pixel group to be determined.

In this embodiment, in the first driving mode, the gray scale difference (also referred to as voltage difference) between the sub-pixel high voltage signal and the sub-pixel low voltage signal corresponding to the first sub-pixel and the second sub-pixel is greater than the gray scale difference between the two sub-pixel signals corresponding to the first sub-pixel and the second sub-pixel in the same sub-pixel group to be determined; therefore, whether the sub-pixel to be judged is driven by the first driving mode can be selected according to the color cast severity degree of the picture so as to select to improve color cast or graininess. The color shift of the blue color system is not very serious, so that the blue sub-pixel is not used as the sub-pixel to be judged, and the driving mode with smaller gray scale difference is used for driving by default to improve the granular sensation; of course, since the human eye is not very sensitive to blue, the graininess of the blue color system is not very serious, and thus the driving method with larger gray scale difference can be used as a default to improve the color shift. In addition, the red sub-pixel, the green sub-pixel and the blue sub-pixel may be set as the sub-pixels to be determined, but the first driving method is only selected to drive the blue sub-pixel when the gray scale difference between the corresponding sub-pixel high voltage signal and the corresponding sub-pixel low voltage signal is greater than 100 gray scales.

Referring to table 1, in the case of 8-bit (bit) display driving, the driving signals of the sub-pixels are 0,1, … 255, and in the first driving mode, taking the red sub-pixel as an example, the sub-pixel signals corresponding to two adjacent independent red sub-pixels are R1 and R2, the two sub-pixel signals are gray scale signals of 0,1, … 255, and the average signal Rave of the sub-pixel signals R1 and R2 corresponding to two adjacent red sub-pixels; in the second driving mode, the average signal Rave of two adjacent sub-pixels, the sub-pixel high voltage signal RH and the sub-pixel low voltage signal RL obtained by table lookup are also gray scale signals of 0,1, … 255. The average gray levels of the RH and RL are equivalent to the average gray levels of R1 and R2, namely, under two driving modes, the average value of the brightness is equivalent to the average value of the brightness, but the gray level difference or the voltage difference of the RH and RL is larger than R1 and R2. Therefore, after the color cast degree of the current frame picture is judged, whether the corresponding two adjacent red sub-pixels are driven by RH and RL with larger gray scale difference can be selected.

The sub-pixel signals of the first sub-pixel and the second sub-pixel which are not processed can be called as original sub-pixel signals, and the average gray scale of the two corresponding original sub-pixel signals is equivalent to the corresponding sub-pixel high-voltage signal and the sub-pixel low-voltage signal, but the gray scale difference of the two corresponding original sub-pixel signals is smaller and even can be set to be the same. The table lookup correspondence between the average value Rave of the original sub-pixel signals R1 and R2 of the first sub-pixel signal and the second sub-pixel signal corresponding to the red sub-pixel and the corresponding sub-pixel high voltage signal RH and sub-pixel low voltage signal RL is as follows in table 1 (the unit in the table is gray scale):

table 1 red subpixel lookup table

As shown in table 2, Gave refers to an average value of sub-pixel signals R1 and R2 of the first and second sub-pixel signals corresponding to the green sub-pixel, GH refers to a corresponding sub-pixel high voltage signal and GL refers to a corresponding sub-pixel low voltage signal, and the correspondence of Gave, GH and GL is as follows (the unit in the table is gray scale):

table 2 green subpixel lookup table

Of course, the above lookup table is only an exemplary lookup table to illustrate the present invention more clearly, but not to represent, the lookup table of the present invention is only the above lookup table; taking the ave equal to 50 as an example, in the first driving method, the gray levels of the sub-pixel signals corresponding to the first sub-pixel and the second sub-pixel may be 100 and 3, or 98 and 5, depending on the actual requirement.

In addition, referring to tables 1 and 2, if the gray scale difference between RH and RL corresponding to the red sub-pixel is slightly larger than the gray scale difference between GH and GL corresponding to the green sub-pixel, only the red sub-pixel may be set as the sub-pixel to be determined, and of course, if the gray scale difference between the green sub-pixel and the other panel is larger, the green sub-pixel may also be set as the sub-pixel to be determined. Or it is also possible to set both the red sub-pixel and the green sub-pixel as the sub-pixels to be determined.

Fig. 8 is a flowchart of a driving method according to another embodiment of the present invention, and referring to fig. 8, it can be known from fig. 4 to fig. 7 that:

s21: the hue H satisfies the formula in advance: dividing the color space signal with H more than 0 and less than or equal to 45 or H more than 315 and less than or equal to 360 into a first signal judgment interval; the hue H satisfies the formula: the color space signal with H more than 45 and less than or equal to 135 is divided into a second signal judgment interval: the hue H satisfies the formula: dividing the color space signal with H more than 135 and less than or equal to 205 into a third signal judgment interval; the hue H satisfies the formula: the color space signal with H more than 205 and less than or equal to 245 is divided into a fourth signal judgment interval: the hue H satisfies the formula: dividing the color space signal with H more than 245 and less than or equal to 295 into a fifth signal judgment interval; the hue H satisfies the formula: the color space signal with H more than 295 and less than or equal to 315 is divided into a sixth signal judgment interval: respectively setting preset conditions for a first signal judgment interval, a second signal judgment interval, a third signal judgment interval, a fourth signal judgment interval, a fifth signal judgment interval and a sixth signal judgment interval;

s22: receiving K red sub-pixel signals, K green sub-pixel signals and K blue sub-pixel signals by taking a block as a unit, and correspondingly calculating to obtain a color space signal under an LCH system by taking an average value of two red sub-pixel signals corresponding to two adjacent pixels, an average value of two green sub-pixel signals corresponding to two adjacent pixels and an average value of two blue sub-pixel signals corresponding to two adjacent pixels as a group; obtaining K/2 color space signals after the calculation is finished; wherein K is equal to the number of all pixels;

s23: comparing and judging the proportion of the number of the color space signals in each signal judgment interval to the total number of the color space signals; respectively judging whether the proportion of the number of the color space signals in each signal judgment interval to the total number of the color space signals meets a preset standard proportion value or not, and searching a signal judgment interval with the maximum proportion in the intervals meeting the preset standard proportion value and preset conditions as a maximum proportion interval;

s241: if the maximum proportion interval is the first signal judgment interval, determining that a first red sub-pixel and a second red sub-pixel in the block are driven in a first driving mode, and simultaneously determining that a first green sub-pixel and a second green sub-pixel in the block are driven in a second driving mode;

s242: if the maximum proportion interval is the second signal judgment interval, determining that the first green sub-pixel and the second green sub-pixel in the block are driven in the first driving mode, and the first red sub-pixel and the second red sub-pixel in the block are driven in the first driving mode;

s243: if the maximum proportion interval is the third signal judgment interval, determining that the first green sub-pixel and the second green sub-pixel in the block are driven in the first driving mode, and simultaneously determining that the first red sub-pixel and the second red sub-pixel in the block are driven in the second driving mode;

s244: if the maximum proportion interval is the fourth signal judgment interval, determining that the first green sub-pixel and the second green sub-pixel in the block are driven in the first driving mode, and simultaneously determining that the first red sub-pixel and the second red sub-pixel in the block are driven in the second driving mode;

s245: if the maximum proportion interval is the fifth signal judgment interval, determining that the first green sub-pixel and the second green sub-pixel in the block are driven in the second driving mode, and the first red sub-pixel and the second red sub-pixel in the first red sub-pixel block and the second red sub-pixel block in the block are driven in the second driving mode;

s246: if the maximum proportion interval is the sixth signal judgment interval, determining that the first red sub-pixel and the second red sub-pixel in the block are driven in the first driving mode, and determining that the first green sub-pixel and the second green sub-pixel in the block are driven in the second driving mode;

s25: determining to drive all the blue sub-pixels in a first driving manner;

In this embodiment, the blue sub-pixel is determined as the first driving mode sub-pixel by default, which can improve the problem of color cast; in addition, on the premise of no conflict, the steps can be executed synchronously or sequentially. The preset condition may be set corresponding to the first signal determination interval as CTL1 ≦ C ≦ CTH2, the preset condition may be set corresponding to the second signal determination interval as CTL3 ≦ C ≦ CTH4, the preset condition may be set corresponding to the third signal determination interval as CTL5 ≦ C ≦ CTH6, the preset condition may be set corresponding to the fourth signal determination interval as CTL7 ≦ C ≦ CTH8, the preset condition may be set corresponding to the fifth signal determination interval as CTL9 ≦ C ≦ CTH10, and the preset condition may be set corresponding to the sixth signal determination interval as CTL11 ≦ C ≦ CTH12, where CTL1, CTH 635, CTL3, CTH4, CTL5, CTH 5, CTL7, CTL 8, CTL 82 9, CTH 56, CTL11, and CTH12 are predefined chroma ranges; where C is the chroma of the color space signal. Specifically, the CTL1, CTL3, CTL5, CTL7, CTL9 and CTL11 may be provided in the same manner or in different manners; the CTH2, CTH4, CTH6, CTH8, CTH10, and CTH12 may be provided in the same manner or in different manners.

Fig. 9 is a schematic diagram of a driving system of a display panel according to an embodiment of the invention, and referring to fig. 9, it can be known from fig. 4 to fig. 8 that:

the invention also discloses a driving system of the display panel, the display panel comprises a plurality of pixels, and each pixel comprises a plurality of different-color sub-pixels; at least one of the sub-pixels is a sub-pixel to be judged, two adjacent sub-pixels to be judged with the same color are used as a sub-pixel group to be judged, and each sub-pixel group to be judged comprises a first sub-pixel and a second sub-pixel;

the drive system 100 includes: a presetting module 10, namely a presetting circuit, which is used for dividing the color space signal corresponding to the pixel into a plurality of signal judging intervals in advance and setting preset conditions for the corresponding signal judging intervals; a conversion module 20, i.e. a conversion circuit, for receiving the first color signals corresponding to all the pixels and converting the first color signals to obtain color space signals;

a processing module 30, i.e. a processing circuit, for comparing and determining the signal determination interval where the color space signal is located, and determining whether the preset condition corresponding to the signal determination interval is satisfied; the processing module 30 compares and judges the ratio of the number of the color space signals in each signal judgment interval to the total number of the color space signals; respectively judging whether the proportion of the number of the color space signals in each signal judgment interval to the total number of the color space signals meets a preset standard proportion value or not, and searching a signal judgment interval with the maximum proportion in the intervals meeting the preset standard proportion value and preset conditions as a maximum proportion interval; determining the sub-pixel to be judged as a first driving mode sub-pixel or a second driving mode sub-pixel according to the maximum proportion interval; and driving the first sub-pixel and the second sub-pixel corresponding to the sub-pixel in the first driving mode in a first driving mode, and simultaneously driving the first sub-pixel and the second sub-pixel corresponding to the sub-pixel in the second driving mode in a second driving mode.

It should be noted that, the limitations of the steps involved in the present disclosure are not considered to limit the order of the steps without affecting the implementation of the specific embodiments, and the steps written in the foregoing may be executed first, or executed later, or even executed simultaneously, and as long as the present disclosure can be implemented, all should be considered to belong to the protection scope of the present disclosure.

The technical scheme of the invention can be combined and applied on the premise of no conflict.

The technical solution of the present invention can be widely applied to various display panels, such as Twisted Nematic (TN) display panels, In-plane switching (IPS) display panels, Vertical Alignment (VA) display panels, and Multi-Domain Vertical Alignment (MVA) display panels, and of course, other types of display panels, such as Organic Light-Emitting Diode (OLED) display panels, can be applied to the above solution.

The foregoing is a more detailed description of the invention in connection with specific alternative embodiments, and the practice of the invention should not be construed as limited to those descriptions. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.

Claims

1. A driving method of a display panel, wherein the display panel comprises a plurality of pixels, each of the pixels comprises a red sub-pixel, a green sub-pixel and a blue sub-pixel; at least one of the sub-pixels is a sub-pixel to be judged, two adjacent sub-pixels to be judged with the same color are used as a sub-pixel group to be judged, and each sub-pixel group to be judged comprises a first sub-pixel and a second sub-pixel;

the driving method includes the steps of:

under the first driving mode and the second driving mode, the average gray scales of sub-pixel signals corresponding to the first sub-pixel and the second sub-pixel are equivalent, and the gray scale difference is different;

the step of determining the sub-pixel to be determined as the first driving method sub-pixel or the second driving method sub-pixel according to the maximum proportion interval comprises the following steps:

2. The method as claimed in claim 1, wherein the step of receiving all of the red, green and blue sub-pixel signals and converting the red, green and blue sub-pixel signals to obtain a plurality of color space signals under a lightness chroma color system comprises:

obtaining K color space signals after the calculation is finished;

where K is equal to the number of all pixels.

3. The method as claimed in claim 1, wherein the step of receiving all of the red, green and blue sub-pixel signals and converting the red, green and blue sub-pixel signals to obtain a plurality of color space signals under a lightness chroma color system comprises:

obtaining K/2 color space signals after the calculation is finished;

where K is equal to the number of all pixels.

4. The method of claim 1, wherein the hue ranges of the color space signals are: 0-360 degrees, corresponding to 0-360 degrees;

5. The method according to claim 2, wherein the predetermined condition is divided according to chroma of the color space signal; when the chroma C of the color space signal satisfies the following formula: and when the C is more than or equal to 40 and less than or equal to 80, judging that the preset condition corresponding to the signal judgment interval is met.

6. The method according to claim 1, wherein the display panel divides the pixels into a plurality of blocks according to physical positions; wherein, 10 pixels are taken along the data line direction, and 10 pixels are taken along the scanning line direction, so that a block containing 10 × 10 pixels is obtained.

7. The method according to claim 1, wherein the display panel divides the pixels into a plurality of blocks according to physical positions;

comparing and judging the proportion of the number of the color space signals in each signal judgment interval to the total number of the color space signals; respectively judging whether the proportion of the number of the color space signals in each signal judgment interval to the total number of the color space signals meets a preset standard proportion value or not, and searching a signal judgment interval with the maximum proportion in the intervals meeting the preset standard proportion value and preset conditions as a maximum proportion interval; according to the maximum proportion interval, the step of determining the sub-pixel to be judged as the first driving mode sub-pixel or the second driving mode sub-pixel comprises the following steps:

comparing and judging the proportion of the number of the color space signals in each signal judgment interval to the total number of the color space signals by taking each block as a unit; respectively judging whether the proportion of the number of the color space signals in each signal judgment interval to the total number of the color space signals meets a preset standard proportion value or not, and searching a signal judgment interval with the maximum proportion in the intervals meeting the preset standard proportion value and preset conditions as a maximum proportion interval; and respectively determining the first sub-pixel to be judged and the second sub-pixel to be judged as the first driving mode sub-pixel or the second driving mode sub-pixel according to the maximum proportion interval.

8. The method for driving a display panel according to claim 1,

the first driving mode is that after the gray-scale values corresponding to the original sub-pixel signals corresponding to the first sub-pixel and the second sub-pixel in each sub-pixel group to be judged are averaged, the corresponding sub-pixel high-voltage signal and sub-pixel low-voltage signal are found according to the average value and a preset lookup table, and the first driving mode is used for driving the first sub-pixel and the second sub-pixel corresponding to the sub-pixel to be judged;

the second driving mode is to drive the first sub-pixel and the second sub-pixel corresponding to the sub-pixel to be determined without processing the original sub-pixel signals corresponding to the first sub-pixel and the second sub-pixel in each sub-pixel group to be determined.

9. A driving method of a display panel, wherein the display panel includes a plurality of pixels; the display panel divides the pixels into a plurality of blocks according to physical position adjacency;

the pixels comprise red sub-pixels, green sub-pixels and blue sub-pixels; the pixels comprise a first to-be-determined sub-pixel and a second to-be-determined sub-pixel, the first to-be-determined sub-pixel is all green sub-pixels in a corresponding block, and the second to-be-determined sub-pixel is all red sub-pixels in the corresponding block;

two adjacent green sub-pixels are used as a green judgment sub-pixel group, and each green judgment sub-pixel group comprises a first green sub-pixel and a second green sub-pixel; two adjacent red sub-pixels are used as a red judging sub-pixel group, and each red judging sub-pixel group comprises a first red sub-pixel and a second red sub-pixel;

the driving method includes the steps of:

determining to drive all the blue sub-pixels in a first driving manner;

10. A driving system of a display panel, wherein the display panel comprises a plurality of pixels, each of the pixels comprising a plurality of differently colored sub-pixels; at least one of the sub-pixels is a sub-pixel to be judged, two adjacent sub-pixels to be judged with the same color are used as a sub-pixel group to be judged, and each sub-pixel group to be judged comprises a first sub-pixel and a second sub-pixel;

the drive system includes:

the preset module is used for dividing the color space signals corresponding to the pixels into a plurality of signal judgment intervals in advance and setting preset conditions for the corresponding signal judgment intervals;

the conversion module receives first color signals corresponding to all pixels and converts the first color signals to obtain color space signals;

the processing module compares and judges the proportion of the number of the color space signals in each signal judgment interval to the total number of the color space signals; respectively judging whether the proportion of the number of the color space signals in each signal judgment interval to the total number of the color space signals meets a preset standard proportion value or not, and searching a signal judgment interval with the maximum proportion in the intervals meeting the preset standard proportion value and preset conditions as a maximum proportion interval; determining the sub-pixel to be judged as a first driving mode sub-pixel or a second driving mode sub-pixel according to the maximum proportion interval; driving a first sub-pixel and a second sub-pixel corresponding to the sub-pixel in the first driving mode in a first driving mode, and simultaneously driving the first sub-pixel and the second sub-pixel corresponding to the sub-pixel in the second driving mode in a second driving mode;