WO2017185429A1 - 一种显示面板的驱动方法及驱动装置 - Google Patents

一种显示面板的驱动方法及驱动装置 Download PDF

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Publication number
WO2017185429A1
WO2017185429A1 PCT/CN2016/082298 CN2016082298W WO2017185429A1 WO 2017185429 A1 WO2017185429 A1 WO 2017185429A1 CN 2016082298 W CN2016082298 W CN 2016082298W WO 2017185429 A1 WO2017185429 A1 WO 2017185429A1
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Prior art keywords
polarity
sub
data frame
pixel point
compensation
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PCT/CN2016/082298
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English (en)
French (fr)
Inventor
孙磊
朱立伟
谢剑军
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深圳市华星光电技术有限公司
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Priority to US15/107,432 priority Critical patent/US10152930B2/en
Publication of WO2017185429A1 publication Critical patent/WO2017185429A1/zh

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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3607—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3614—Control of polarity reversal in general
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0247—Flicker reduction other than flicker reduction circuits used for single beam cathode-ray tubes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0285—Improving the quality of display appearance using tables for spatial correction of display data
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/029—Improving the quality of display appearance by monitoring one or more pixels in the display panel, e.g. by monitoring a fixed reference pixel
    • G09G2320/0295—Improving the quality of display appearance by monitoring one or more pixels in the display panel, e.g. by monitoring a fixed reference pixel by monitoring each display pixel
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/08—Arrangements within a display terminal for setting, manually or automatically, display parameters of the display terminal
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/16—Calculation or use of calculated indices related to luminance levels in display data

Definitions

  • the present invention relates to the field of liquid crystal display, and in particular to a driving method and a driving device for a display panel.
  • VAC technology is generally used to improve the transparency and viewing angle of the display panel, but when the display panel is low gray scale, VAC technology will bring h-block problems at the same time.
  • the technical problem to be solved by the present invention is to provide a driving method and a driving device for a display panel, which can solve the problem of instantaneous flicker occurring in polarity switching in the prior art.
  • another technical solution adopted by the present invention is to provide a driving method of a display panel, the method comprising: detecting whether a current data frame satisfies a schedule of switching a first polarity mode to a second polarity mode a switching condition; if the current data frame satisfies a predetermined switching condition, acquiring a polarity input signal corresponding to the previous data frame; and acquiring a data compensation value corresponding to each sub-pixel point according to the polarity input signal and the position of each sub-pixel point in the current data frame
  • the values of the sub-pixel points of the current data frame are superimposed with the corresponding data compensation values and output to the display panel; if the current data frame does not satisfy the predetermined switching condition, the current polarity mode will be current.
  • each sub-pixel point in the data frame is output to the display panel; wherein the step of detecting whether the current data frame satisfies the predetermined switching condition of switching the first polarity mode to the second polarity mode comprises: acquiring the gray level in the current data frame The number of sub-pixel points with the same value; Whether the number of sub-pixel points having the same gray-gradation value is greater than a predetermined number; if the number of sub-pixel points having the same gray-scale value is greater than a predetermined number, the current data frame satisfies a predetermined switching condition.
  • the step of acquiring the data compensation value corresponding to each sub-pixel point according to the polarity input signal and the position of the sub-pixel point in the current data frame includes: when the sub-pixel point in the current data frame is located at the first position, the previous data The grayscale value corresponding to the sub-pixel point of the first position is obtained in the frame and the current data frame, respectively recorded as the original grayscale value and the current grayscale value; and the bilinear interpolation method is used according to the original grayscale value and the current grayscale value.
  • the step of acquiring the data compensation value corresponding to the sub-pixel point according to the polarity input signal and the position of the sub-pixel point in the current data frame further includes: when the sub-pixel point in the current data frame is in the second position, located in the second position The data compensation value corresponding to the sub-pixel point is zero; wherein the second position is a position corresponding to the sub-pixel point of the polarity when the first polarity mode is switched to the second polarity mode.
  • the polarity input signal is the first polarity signal
  • the polarity of each sub-pixel point in the first polarity mode is repeatedly arranged along the row and the column of the data frame in a positive, negative, negative, positive manner
  • the polarity input signal is the second polarity signal
  • the polarity of each sub-pixel point in the first polarity mode is repeatedly arranged along the row and column of the data frame in a negative, positive, positive, and negative manner
  • the first polarity When the mode is switched to the second polarity mode, the polarity of each sub-pixel point in the second polarity mode is repeatedly arranged along the line of the data frame in a positive and negative manner.
  • another technical solution adopted by the present invention is to provide a driving method of a display panel, the method comprising: detecting whether a current data frame satisfies a schedule of switching a first polarity mode to a second polarity mode a switching condition; if the current data frame satisfies a predetermined switching condition, acquiring a polarity input signal corresponding to the previous data frame; and acquiring a data compensation value corresponding to each sub-pixel point according to the polarity input signal and the position of each sub-pixel point in the current data frame In the second polarity mode, the values of the sub-pixel points of the current data frame are superimposed with the corresponding data compensation values and output to the display panel.
  • the step of detecting whether the current data frame meets the predetermined switching condition of switching the first polarity mode to the second polarity mode comprises: acquiring the number of sub-pixel points having the same grayscale value in the current data frame; determining that the grayscale value is the same Whether the number of sub-pixels is greater than a predetermined number; if the sub-pixels have the same grayscale value The amount of the number is greater than the predetermined number, and the current data frame satisfies the predetermined switching condition.
  • the step of acquiring the data compensation value corresponding to each sub-pixel point according to the polarity input signal and the position of the sub-pixel point in the current data frame includes: when the sub-pixel point in the current data frame is located at the first position, the previous data The grayscale value corresponding to the sub-pixel point of the first position is obtained in the frame and the current data frame, respectively recorded as the original grayscale value and the current grayscale value; and the bilinear interpolation method is used according to the original grayscale value and the current grayscale value.
  • the step of acquiring the data compensation value corresponding to the sub-pixel point according to the polarity input signal and the position of the sub-pixel point in the current data frame further includes: when the sub-pixel point in the current data frame is in the second position, located in the second position The data compensation value corresponding to the sub-pixel point is zero; wherein the second position is a position corresponding to the sub-pixel point of the polarity when the first polarity mode is switched to the second polarity mode.
  • the polarity input signal is the first polarity signal
  • the polarity of each sub-pixel point in the first polarity mode is repeatedly arranged along the row and the column of the data frame in a positive, negative, negative, positive manner
  • the polarity input signal is the second polarity signal
  • the polarity of each sub-pixel point in the first polarity mode is repeatedly arranged along the row and column of the data frame in a negative, positive, positive, and negative manner
  • the first polarity When the mode is switched to the second polarity mode, the polarity of each sub-pixel point in the second polarity mode is repeatedly arranged along the line of the data frame in a positive and negative manner.
  • the method further includes: if the current data frame does not satisfy the predetermined switching condition, outputting, in the first polarity mode, the value of each sub-pixel point in the current data frame to the display panel.
  • a driving device for a display panel comprising: a detecting module, configured to detect whether the current data frame is satisfied to switch the first polarity mode to the second a predetermined switching condition of the polarity mode, wherein a compensation enable signal is generated when the current data frame satisfies a predetermined switching condition;
  • the compensation selection signal generating module is connected to the detection module, and configured to generate a compensation selection signal according to the compensation enable signal generated by the detection module, the polarity input signal corresponding to the previous data frame, and the position of each pixel in the current data frame;
  • the compensation value acquisition module is connected with the compensation selection signal generation module for generating the compensation signal Obtaining a data compensation value corresponding to each pixel point in the current data frame under the control of the compensation selection signal generated by the raw module;
  • the output module is connected to the compensation value acquisition module, and is configured to superimpose the value of each sub-pixel point of the current data frame and the corresponding data compensation value acquired by the compensation value acquisition module in the second polarity mode, and output the data compensation value to the display panel.
  • the data compensation value acquisition module includes a first compensation unit, a second compensation unit, and a third compensation unit;
  • the compensation selection signal selects the first compensation unit to acquire the data corresponding to the sub-pixel point in the first position in the current data frame. Compensation value
  • the compensation selection signal selects the second compensation unit to acquire the data corresponding to the sub-pixel point in the first position in the current data frame. Compensation value
  • the compensation selection signal selects the third compensation unit to acquire the sub-position in the current data frame.
  • the first position is a position corresponding to a sub-pixel point having the same polarity when the first polarity mode is switched to the second polarity mode
  • the second position is a polarity when the first polarity mode is switched to the second polarity mode.
  • the first compensation unit and the second compensation unit are respectively configured to acquire gray scale values corresponding to the sub-pixel points of the first position in the previous data frame and the current data frame, and respectively record the original gray scale value and the current gray scale value.
  • the data compensation value is obtained in the data compensation table corresponding to the polarity input signal by bilinear interpolation according to the original gray scale value and the current gray scale value.
  • the third compensation unit is a pass-through unit, and the data compensation value corresponding to the sub-pixel point of the second position in the current data frame acquired by the third compensation unit is zero.
  • the invention has the beneficial effects that the driving method and the driving device of the display panel of the invention pass the detection Whether the current data frame satisfies a predetermined switching condition for switching the first polarity mode to the second polarity mode; if the current data frame satisfies a predetermined switching condition, acquiring a polarity input signal corresponding to the previous data frame; according to the polarity input signal, The position of each sub-pixel in the current data frame acquires a data compensation value corresponding to each sub-pixel point; in the second polarity mode, the value of each sub-pixel point of the current data frame is superimposed with the corresponding data compensation value, and then output to the display panel. .
  • the present invention can avoid the problem of instantaneous flicker that occurs when the first polarity mode is switched to the second polarity mode.
  • FIG. 1 is a schematic flow chart of a driving method of a display panel according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram showing polarities of sub-pixel points in a first polarity mode
  • FIG. 3 is a schematic diagram showing polarities of respective sub-pixel points when the first polarity mode is switched to the second polarity mode;
  • Figure 4 is a schematic diagram of bilinear interpolation
  • FIG. 5 is a schematic structural view of a driving device of a display panel according to an embodiment of the present invention.
  • FIG. 1 is a schematic flow chart of a driving method of a display panel according to an embodiment of the present invention. It should be noted that the method of the present invention is not limited to the sequence of the flow shown in FIG. 1 if substantially the same result is obtained. As shown in FIG. 1, the method includes the following steps:
  • Step S101 It is detected whether the current data frame satisfies a predetermined switching condition for switching the first polarity mode to the second polarity mode. If yes, step S102 is performed, otherwise step S105 is performed.
  • step S101 the step of detecting whether the current data frame satisfies the predetermined switching condition of switching the first polarity mode to the second polarity mode comprises: acquiring the sub-pixel points of the current data frame having the same grayscale value a number; determining whether the number of sub-pixel points having the same gray-scale value is greater than a predetermined number; if the number of sub-pixel points having the same gray-scale value is greater than a predetermined number, the current data frame satisfies a predetermined switching condition.
  • the number of sub-pixels with the same grayscale value in the current data frame is greater than the predetermined number, that is, when the picture displayed by the current data frame is low grayscale, in order to avoid the H-block problem, the current The data frame is switched from the first polarity mode to the second polarity mode.
  • Step S102 Acquire a polarity input signal corresponding to the previous data frame.
  • the polarity input signal corresponding to the previous data frame includes a first polarity signal and a second polarity signal, wherein the polarity input signal is accompanied by a change of the data frame at the first polarity signal and the second polarity Switch back and forth between signals.
  • the first data frame corresponds to the first polarity signal
  • the second data frame corresponds to the second polarity signal
  • the third data frame continues to correspond to the first polarity signal
  • the fourth data frame continues to correspond to the second polarity.
  • the signal ... loops in turn.
  • Step S103 Acquire a data compensation value corresponding to each sub-pixel point according to the polarity input signal and the position of each sub-pixel point in the current data frame.
  • step S103 when the sub-pixel point in the current data frame is located at the first position, the step of acquiring the data compensation value corresponding to each sub-pixel point according to the polarity input signal and the position of each sub-pixel point in the current data frame is specifically : acquiring the grayscale value corresponding to the sub-pixel point of the first position in the previous data frame and the current data frame, respectively as the original grayscale value and the current grayscale value; using the double according to the original grayscale value and the current grayscale value The linear interpolation method obtains the data compensation value in the data compensation table corresponding to the polarity input signal.
  • the step of acquiring the data compensation value in the data compensation table corresponding to the polarity input signal by using the bilinear interpolation method according to the original gray scale value and the current gray scale value is specifically: acquiring a data compensation table corresponding to the polarity input signal; Obtaining, in the data compensation table, a first original grayscale value and a second original grayscale value adjacent to the original grayscale value, and a first current grayscale value and a second current grayscale value adjacent to the current grayscale value
  • the first original grayscale value is smaller than the second original grayscale value
  • the first current grayscale value is smaller than the second current grayscale value
  • the first original grayscale value and the first current grayscale are obtained in the data compensation table.
  • the first position is a position corresponding to a sub-pixel point having the same polarity when the first polarity mode is switched to the second polarity mode.
  • FIG. 2 is a schematic diagram showing the polarity of each sub-pixel point in the first polarity mode
  • FIG. 3 is the pole of each sub-pixel point when the first polarity mode is switched to the second polarity mode.
  • Sexual map is a schematic diagram showing the polarity of each sub-pixel point in the first polarity mode
  • FIG. 3 is the pole of each sub-pixel point when the first polarity mode is switched to the second polarity mode.
  • the polarity input signal is the first polarity signal
  • the first polarity mode as shown in FIG. 2A
  • the polarity of each sub-pixel point is positive, negative, negative, positive (+, -, - , +)
  • the polarity of each sub-pixel point is negative, positive, positive, negative (-, +, +, -
  • the polarity of each sub-pixel point is negative, positive, positive, negative (-, +, +, -
  • the polarity of each sub-pixel in the first polarity mode is exactly opposite.
  • the polarity of each sub-pixel point in the second polarity mode is along the data frame in a positive or negative (+, -) manner.
  • the rows are repeated.
  • FIG. 2A when the first polarity mode is switched to the second polarity mode, it can be switched from FIG. 2A to FIG. 3, or FIG. 2B can be switched to FIG. 3, and there are two different switching modes. It is determined by the polarity input signal.
  • the first position is a position corresponding to the sub-pixel point in the solid line frame in FIGS. 2A and 3.
  • 2B is switched to FIG. 3 as an example, the first position is the position corresponding to the sub-pixel point in the dotted line frame in FIG. 2B and FIG. 3.
  • the data compensation value corresponding to the sub-pixel points needs to be acquired to improve the gray corresponding to the sub-pixel points.
  • the order value solves the problem of instantaneous flicker.
  • the operation of acquiring the data compensation value corresponding to the sub-pixel point A is specifically: acquiring the sub-pixel point A in the previous data frame and the current data frame.
  • the gray scale values should be recorded as the original gray scale value x and the current gray scale value y, respectively.
  • the horizontal axis of the table represents the original grayscale value
  • the vertical axis of the table represents the current grayscale value
  • the content in the table is the original grayscale value and the data compensation value corresponding to the current grayscale value.
  • the first data compensation table when the polarity input signal is the first polarity signal, the first data compensation table is used, and when the polarity input signal is the second polarity signal, the second data compensation table is used.
  • the first data compensation table and the second data compensation table are the same as the layout of the data compensation table, and the contents of the first data compensation table and the second data compensation table are different.
  • the first data compensation table is switched to the switching mode of FIG. 3 corresponding to FIG. 2A
  • the second data table is switched to the switching mode of FIG. 3 corresponding to FIG. 2B.
  • the first original grayscale value x1 and the second original grayscale value x2 adjacent to the original grayscale value x in the data compensation table, and assuming that the original grayscale value x is 76, the first original grayscale value x1 is 64, The second original grayscale value x2 is 80.
  • the first data compensation value Q11, the second data compensation value Q12, the third data compensation value Q21, and the fourth data compensation value Q22 are 40, 40, 28, and 32, respectively.
  • FIG. 4 is a schematic diagram of bilinear interpolation.
  • the data compensation value corresponding to the original grayscale value x and the current grayscale value y that is, the value of P
  • first linear interpolation is performed in the X direction, and the values of R1 and R2 are calculated, and then in the Y direction.
  • the value of P is calculated from the values of R1 and R2.
  • R1 is calculated according to the following formula:
  • R2 is calculated according to the following formula:
  • the value of R2 can be calculated, that is, The data compensation value corresponding to the original grayscale value x and the second current grayscale value y2.
  • the value of P that is, the original grayscale value x and The data compensation value corresponding to the current grayscale value y.
  • the data compensation value corresponding to the sub-pixel point A is 31.5.
  • the data compensation value corresponding to the sub-pixel point located in the second position is zero.
  • the second position is a position of a sub-pixel point having a polarity different when the first polarity mode is switched to the second polarity mode. In other words, since the polarity of the sub-pixel points is different when the second position is switched to the second polarity mode in the first polarity mode, it is not necessary to compensate for such pixel points.
  • Step S104 Superimpose the value of each sub-pixel point in the current data frame with the corresponding data compensation value in the second polarity mode, and output the result to the display panel.
  • step S104 in the second polarity mode, the current grayscale value of the sub-pixel point located at the first position is superimposed with the data compensation value, and then output to the display panel, wherein the superimposition may be the current grayscale value and the corresponding The data compensation values are added, and the current grayscale value may be subtracted from the corresponding data compensation value, which is determined according to actual conditions.
  • the current grayscale value of the sub-pixel point located at the second position is directly output to the display panel.
  • next data frame does not need to continue data compensation, but is directly output to the display panel.
  • the polarity of each pixel in the next data frame is opposite to the polarity of each pixel shown in FIG.
  • Step S105 Output the value of each sub-pixel point in the current data frame to the display panel in the first polarity mode.
  • step S105 when the step S101 detects that the current data frame does not satisfy the predetermined switching condition of switching the first polarity mode to the second polarity switching mode, each sub-pixel point in the current data frame is in the first polarity mode.
  • the current grayscale value is output to the display panel.
  • the polarity input signal of the previous data frame is the first polarity signal
  • the polarity of each pixel point in the current data frame is as shown in FIG. 2B.
  • the polarity input signal of the previous data frame is the second polarity signal
  • the polarity of each pixel in the current data frame is as shown in FIG. 2A.
  • FIG. 5 is a schematic structural view of a driving device of a display panel according to an embodiment of the present invention.
  • the driving device includes a detecting module 11, a compensation selection signal generating module 12, a compensation value acquiring module 13, and an output module 14.
  • the detecting module 11 is configured to detect whether the current data frame data satisfies a predetermined switching condition for switching the first polarity mode to the second polarity mode, where the compensation enable signal composation-en is generated when the current data frame satisfies a predetermined switching condition .
  • the compensation selection signal generating module 12 is connected to the detection module 11 for generating the compensation enable signal componation-en generated by the detection module 11, the polarity input signal polar corresponding to the previous data frame, and the position of each pixel in the current data frame. Compensation selection signal mode-sel.
  • the compensation value acquisition module 13 is connected to the compensation selection signal generation module 12 for acquiring the data compensation value corresponding to each pixel point in the current data frame under the control of the compensation selection signal mode-sel generated by the compensation selection signal generation module 12.
  • the compensation value acquisition module 13 includes a first compensation unit 131, a second compensation unit 132, and a third compensation unit 133.
  • the compensation selection signal mode-sel selects the first compensation unit 131 to acquire the sub-pixel point of the first position in the current data frame.
  • the compensation selection signal mode-sel selects the second compensation unit 132 to acquire the current data frame.
  • the third compensation unit 133 selects a data compensation value corresponding to the sub-pixel point of the second position in the current data frame; wherein the first position is the same polarity when the first polarity mode is switched to the second polarity mode The position of the sub-pixel point, which is the position of the sub-pixel point whose polarity is not the same when the first polarity mode is switched to the second polarity mode.
  • the first compensation unit 131 and the second compensation unit 132 are respectively configured to acquire grayscale values corresponding to the sub-pixel points of the first position in the previous data frame and the current data frame, respectively, and record the original grayscale values and The current grayscale value; the data compensation value is obtained in the data compensation table corresponding to the polarity input signal by bilinear interpolation according to the original grayscale value and the current grayscale value.
  • the data compensation table is a first data compensation table, and the first data compensation table is set in the first compensation unit 131.
  • the data compensation table is a second data compensation table, and the second data compensation table is set in the second compensation unit 132.
  • the third compensation unit 133 is a pass-through unit, and the data compensation value corresponding to the sub-pixel point of the second position in the current data frame acquired by the third compensation unit 133 is zero.
  • the output module 14 is connected to the compensation value acquisition module 13 for superimposing the value of each sub-pixel point and the corresponding data compensation value acquired by the compensation value acquisition module in the second polarity mode, and outputting the result to the display panel and the first pole.
  • the value of each sub-pixel point in the current data frame is output to the display panel.
  • the invention has the beneficial effects that the driving method and the driving device of the display panel of the present invention detect whether the current data frame satisfies a predetermined switching condition for switching the first polarity mode to the second polarity mode; if the current data frame satisfies the predetermined switching Condition, obtaining a polarity input signal corresponding to the previous data frame; acquiring a data compensation value corresponding to each sub-pixel point according to the polarity input signal, the position of each sub-pixel point in the current data frame; and the current polarity in the second polarity mode The value of each sub-pixel of the data frame is superimposed with the corresponding data compensation value and output to the display panel.
  • the present invention can avoid the problem of instantaneous flicker that occurs when the first polarity mode is switched to the second polarity mode.

Abstract

一种显示面板的驱动方法及驱动装置。该方法包括：检测当前数据帧是否满足将第一极性模式切换至第二极性模式的预定切换条件（S101）；若当前数据帧满足预定切换条件，获取前一数据帧对应的极性输入信号（S102）；根据极性输入信号、当前数据帧中各子像素点的位置获取各子像素点对应的数据补偿值（S103）；在第二极性模式下将当前数据帧各子像素点的值与对应的数据补偿值叠加后输出至显示面板（S104）。通过上述方式，能够避免第一极性模式切换至第二极性模式时出现的瞬间闪烁的问题。

Description

一种显示面板的驱动方法及驱动装置 【技术领域】
本发明涉及液晶显示领域，特别是涉及一种显示面板的驱动方法及驱动装置。
【背景技术】
在现代的TFT-LCD显示面板的结构中，一般会使用VAC技术来提高显示面板的穿透度和视角，但是，当显示面板为低灰阶时，VAC技术会同时带来h-block问题。
为了解决h-block问题，一般会使用更改显示面板中各子像素点的极性的方法来解决。但是，在极性切换的瞬间，由于连续两帧极性相同的子像素点会比极性不相同的子像素点亮，从而出现瞬间闪烁的问题。
【发明内容】
本发明主要解决的技术问题是提供一种显示面板的驱动方法及驱动装置，能够解决现有技术中在极性切换时出现的瞬间闪烁的问题。
为解决上述技术问题，本发明采用的另一个技术方案是：提供一种显示面板的驱动方法，该方法包括：检测当前数据帧是否满足将第一极性模式切换至第二极性模式的预定切换条件；若当前数据帧满足预定切换条件，获取前一数据帧对应的极性输入信号；根据极性输入信号、当前数据帧中各子像素点的位置获取各子像素点对应的数据补偿值；在第二极性模式下将当前数据帧各子像素点的值与对应的数据补偿值叠加后输出至显示面板；若当前数据帧不满足预定切换条件，在第一极性模式下将当前数据帧中各子像素点的值输出至显示面板；其中，检测当前数据帧是否满足将第一极性模式切换至第二极性模式的预定切换条件的步骤包括：获取当前数据帧中灰阶值相同的子像素点的数目；判 断灰阶值相同的子像素点的数目是否大于预定数目；若灰阶值相同的子像素点的数目量大于预定数目，则当前数据帧满足预定切换条件。
其中，根据极性输入信号、当前数据帧中子像素点的位置获取各子像素点对应的数据补偿值的步骤包括：当当前数据帧中的子像素点位于第一位置时，在前一数据帧和当前数据帧中获取第一位置的子像素点对应的灰阶值，分别记为原始灰阶值和当前灰阶值；根据原始灰阶值和当前灰阶值利用双线性内插法在极性输入信号对应的数据补偿表格中获取数据补偿值；其中，第一位置为第一极性模式切换至第二极性模式时极性相同的子像素点对应的位置。
其中，根据极性输入信号、当前数据帧中子像素点的位置获取子像素点对应的数据补偿值的步骤进一步包括：当当前数据帧中的子像素点位于第二位置时，位于第二位置的子像素点对应的数据补偿值为零；其中，第二位置为第一极性模式切换至第二极性模式时极性不相同的子像素点对应的位置。
其中，当极性输入信号为第一极性信号时，第一极性模式下各子像素点的极性按照正、负、负、正的方式沿数据帧的行和列重复排列；当极性输入信号为第二极性信号时，第一极性模式下各子像素点的极性按照负、正、正、负的方式沿数据帧的行和列重复排列；其中，第一极性模式切换至第二极性模式时，第二极性模式下各子像素点的极性按照正、负的方式沿数据帧的行重复排列。
为解决上述技术问题，本发明采用的另一个技术方案是：提供一种显示面板的驱动方法，该方法包括：检测当前数据帧是否满足将第一极性模式切换至第二极性模式的预定切换条件；若当前数据帧满足预定切换条件，获取前一数据帧对应的极性输入信号；根据极性输入信号、当前数据帧中各子像素点的位置获取各子像素点对应的数据补偿值；在第二极性模式下将当前数据帧各子像素点的值与对应的数据补偿值叠加后输出至显示面板。
其中，检测当前数据帧是否满足将第一极性模式切换至第二极性模式的预定切换条件的步骤包括：获取当前数据帧中灰阶值相同的子像素点的数目；判断灰阶值相同的子像素点的数目是否大于预定数目；若灰阶值相同的子像素点 的数目量大于预定数目，则当前数据帧满足预定切换条件。
其中，根据极性输入信号、当前数据帧中子像素点的位置获取各子像素点对应的数据补偿值的步骤包括：当当前数据帧中的子像素点位于第一位置时，在前一数据帧和当前数据帧中获取第一位置的子像素点对应的灰阶值，分别记为原始灰阶值和当前灰阶值；根据原始灰阶值和当前灰阶值利用双线性内插法在极性输入信号对应的数据补偿表格中获取数据补偿值；其中，第一位置为第一极性模式切换至第二极性模式时极性相同的子像素点对应的位置。
其中，根据极性输入信号、当前数据帧中子像素点的位置获取子像素点对应的数据补偿值的步骤进一步包括：当当前数据帧中的子像素点位于第二位置时，位于第二位置的子像素点对应的数据补偿值为零；其中，第二位置为第一极性模式切换至第二极性模式时极性不相同的子像素点对应的位置。
其中，当极性输入信号为第一极性信号时，第一极性模式下各子像素点的极性按照正、负、负、正的方式沿数据帧的行和列重复排列；当极性输入信号为第二极性信号时，第一极性模式下各子像素点的极性按照负、正、正、负的方式沿数据帧的行和列重复排列；其中，第一极性模式切换至第二极性模式时，第二极性模式下各子像素点的极性按照正、负的方式沿数据帧的行重复排列。
其中，该方法还包括：若当前数据帧不满足预定切换条件，在第一极性模式下将当前数据帧中各子像素点的值输出至显示面板。
为解决上述技术问题，本发明采用的再一个技术方案是：提供一种显示面板的驱动装置，该装置包括：检测模块，用于检测当前数据帧是否满足将第一极性模式切换至第二极性模式的预定切换条件，其中，当当前数据帧满足预定切换条件时，产生补偿使能信号；
补偿选择信号产生模块，与检测模块连接，用于根据检测模块产生的补偿使能信号、前一数据帧对应的极性输入信号和当前数据帧中各像素点的位置产生补偿选择信号；
补偿值获取模块，与补偿选择信号产生模块连接，用于在补偿选择信号产 生模块产生的补偿选择信号的控制下获取当前数据帧中各像素点对应的数据补偿值；
输出模块，与补偿值获取模块连接，用于在第二极性模式下将当前数据帧各子像素点的值与补偿值获取模块获取的对应的数据补偿值叠加后输出至显示面板。
其中，数据补偿值获取模块包括第一补偿单元、第二补偿单元和第三补偿单元；
当极性输入信号为第一极性信号，当前数据帧中的子像素点位于第一位置时，补偿选择信号选择第一补偿单元获取当前数据帧中第一位置的子像素点所对应的数据补偿值；
当极性输入信号为第二极性信号，当前数据帧中的子像素点位于第一位置时，补偿选择信号选择第二补偿单元获取当前数据帧中第一位置的子像素点所对应的数据补偿值；
当极性输入信号为第一极性信号或第二极性信号，当前数据帧中的子像素点位于第二位置时，补偿选择信号选择第三补偿单元获取当前数据帧中第二位置的子像素点所对应的数据补偿值；
其中，第一位置为第一极性模式切换至第二极性模式时极性相同的子像素点对应的位置，第二位置为第一极性模式切换至第二极性模式时极性不相同的子像素点对应的位置。
其中，第一补偿单元和第二补偿单元分别用于在前一数据帧和当前数据帧中获取第一位置的子像素点对应的灰阶值，分别记为原始灰阶值和当前灰阶值；根据原始灰阶值和当前灰阶值利用双线性内插法在极性输入信号对应的数据补偿表格中获取数据补偿值。
其中，第三补偿单元为直通单元，第三补偿单元获取的当前数据帧中第二位置的子像素点所对应的数据补偿值为零。
本发明的有益效果是：本发明的显示面板的驱动方法及驱动装置通过检测 当前数据帧是否满足将第一极性模式切换至第二极性模式的预定切换条件；若当前数据帧满足预定切换条件，获取前一数据帧对应的极性输入信号；根据极性输入信号、当前数据帧中各子像素点的位置获取各子像素点对应的数据补偿值；在第二极性模式下将当前数据帧各子像素点的值与对应的数据补偿值叠加后输出至显示面板。通过上述方式，本发明能够避免第一极性模式切换至第二极性模式时出现的瞬间闪烁的问题。
【附图说明】
图1是本发明实施例的显示面板的驱动方法的流程示意图；
图2是第一极性模式下各子像素点的极性示意图；
图3是第一极性模式切换至第二极性模式时各子像素点的极性示意图；
图4是双线性内插法的示意图；
图5是本发明实施例的显示面板的驱动装置的结构示意图。
【具体实施方式】
在说明书及权利要求书当中使用了某些词汇来指称特定的组件，所属领域中的技术人员应可理解，制造商可能会用不同的名词来称呼同样的组件。本说明书及权利要求书并不以名称的差异来作为区分组件的方式，而是以组件在功能上的差异来作为区分的基准。下面结合附图和实施例对本发明进行详细说明。
图1是本发明实施例的显示面板的驱动方法的流程示意图。需注意的是，若有实质上相同的结果，本发明的方法并不以图1所示的流程顺序为限。如图1所示，该方法包括如下步骤：
步骤S101：检测当前数据帧是否满足将第一极性模式切换至第二极性模式的预定切换条件，若满足，执行步骤S102，否则执行步骤S105。
在步骤S101中，检测当前数据帧是否满足将第一极性模式切换至第二极性模式的预定切换条件的步骤包括：获取当前数据帧中灰阶值相同的子像素点的 数目；判断灰阶值相同的子像素点的数目是否大于预定数目；若灰阶值相同的子像素点的数目量大于预定数目，则当前数据帧满足预定切换条件。
换个角度来说，当前数据帧中灰阶值相同的子像素点的数目大于预定数目，也就是说，当当前数据帧所显示的画面为低灰阶时，为了避免H-block问题，将当前数据帧从第一极性模式切换至第二极性模式。
步骤S102：获取前一数据帧对应的极性输入信号。
在步骤S102中，前一数据帧对应的极性输入信号包括第一极性信号和第二极性信号，其中，极性输入信号伴随数据帧的变化在第一极性信号和第二极性信号之间来回切换。举例来说，当第一数据帧对应第一极性信号，则第二数据帧对应第二极性信号，第三数据帧继续对应第一极性信号，第四数据帧继续对应第二极性信号……依次循环。
步骤S103：根据极性输入信号、当前数据帧中各子像素点的位置获取各子像素点对应的数据补偿值。
在步骤S103中，当当前数据帧中的子像素点位于第一位置时，根据极性输入信号、当前数据帧中各子像素点的位置获取各子像素点对应的数据补偿值的步骤具体为：在前一数据帧和当前数据帧中获取第一位置的子像素点对应的灰阶值，分别记为原始灰阶值和当前灰阶值；根据原始灰阶值和当前灰阶值利用双线性内插法在极性输入信号对应的数据补偿表格中获取数据补偿值。
其中，根据原始灰阶值和当前灰阶值利用双线性内插法在极性输入信号对应的数据补偿表格中获取数据补偿值的步骤具体为：获取极性输入信号对应的数据补偿表格；在该数据补偿表格获取与原始灰阶值相邻的第一原始灰阶值和第二原始灰阶值，以及与当前灰阶值相邻的第一当前灰阶值和第二当前灰阶值，其中，第一原始灰阶值小于第二原始灰阶值，第一当前灰阶值小于第二当前灰阶值；在该数据补偿表格中获取第一原始灰阶值和第一当前灰阶对应的第一数据补偿值、第一原始灰阶值和第二当前灰阶值对应的第二数据补偿值，第二原始灰阶值和第一当前灰阶值对应的第三数据补偿值，第二原始灰阶值和第二当 前灰阶值对应的第四数据补偿值；根据第一原始灰阶值、第二原始灰阶值、第一当前灰阶值、第二当前灰阶值、第一数据补偿值、第二数据补偿值、第三数据补偿值和第四数据补偿值获取原始灰阶值和当前灰阶值对应的数据补偿值。
其中，第一位置为第一极性模式切换至第二极性模式时极性相同的子像素点对应的位置。
请一并参考图2和图3，图2是第一极性模式下各子像素点的极性示意图，图3是第一极性模式切换至第二极性模式时各子像素点的极性示意图。
其中，当极性输入信号为第一极性信号时，在第一极性模式下，如图2A所示，各子像素点的极性按照正、负、负、正(+、-、-、+)的方式沿数据帧的行和列重复排列。当极性输入信号为第二极性信号时，在第一极性模式下，如图2B所示，各子像素点的极性按照负、正、正、负(-、+、+、-)的方式沿数据帧的行和列重复排列。也就是说，在第一极性信号和第二极性信号下，在第一极性模式下各子像素的极性是恰好相反的。
其中，当第一极性模式切换至第二极性模式时，如图3所示，第二极性模式下各子像素点的极性按照正、负(+、-)的方式沿数据帧的行重复排列。
本领域的技术人员可以理解，当第一极性模式切换至第二极性模式时，可以是从图2A切换至图3，也可以是图2B切换至图3，有两种不同的切换模式，其具体由极性输入信号来决定。
以图2A切换至图3为例来说，第一位置为如图2A和图3中实线方框中子像素点对应的位置。以图2B切换至图3为例来说，第一位置为图2B和图3中虚线方框中子像素点对应的位置。
由于第一位置在第一极性模式切换至第二极性模式时，子像素点的极性相同，需要获取该类子像素点对应的数据补偿值，以改善该类子像素点对应的灰阶值，进而解决瞬间闪烁的问题。
具体来说，以位于第一位置的子像素点A为例来说，获取子像素点A对应的数据补偿值的操作具体为：在前一数据帧和当前数据帧中获取子像素点A对 应的灰阶值，分别记为原始灰阶值x和当前灰阶值y。
获取极性输入信号对应的数据补偿表格，其中，数据补偿表格具体如下所示：
Figure PCTCN2016082298-appb-000001
其中，表格的横轴表示原始灰阶值，表格的纵轴表示当前灰阶值，表格中的内容为原始灰阶值和当前灰阶值对应的数据补偿值。本领域的技术人员可以理解，上图中的数据补偿表格的表格中的内容仅为举例，本发明不以此为限。
在本实施例中，当极性输入信号为第一极性信号时，使用第一数据补偿表格，当极性输入信号为第二极性信号时，使用第二数据补偿表格。第一数据补偿表格和第二数据补偿表格与上述数据补偿表格的布局相同，第一数据补偿表格和第二数据补偿表格的表格中的内容不相同。换个角度来说，第一数据补偿表格对应图2A切换至图3的切换模式，第二数据表格对应图2B切换至图3的切换模式。
在数据补偿表格中获取原始灰阶值x相邻的第一原始灰阶值x1和第二原始灰阶值x2，假设原始灰阶值x为76，则第一原始灰阶值x1为64、第二原始灰阶值x2为80。在数据补偿表格获取当前灰阶值y相邻的第一当前灰阶值y1和第二当前灰阶值y2，假设当前灰阶值y为115，则第一当前灰阶值y1为112，第二当前灰阶值y2为128。在数据补偿表格中获取第一原始灰阶值x1和第一当前灰阶值y1对应的第一数据补偿值Q11、第一原始灰阶值x1和第二当前灰阶 值y2对应的第二数据补偿值Q12，第二原始灰阶值x2和第一当前灰阶值y1对应的第三数据补偿值Q21，第二原始灰阶值x2和第二当前灰阶值y2对应的第四数据补偿值Q22。其中，第一数据补偿值Q11、第二数据补偿值Q12、第三数据补偿值Q21和第四数据补偿值Q22分别为40、40、28和32。
请一并参考图4，图4是双线性内插法的示意图。如图4所示，为了计算原始灰阶值x和当前灰阶值y对应的数据补偿值也即P的值，首先在X方向进行线性插值，计算R1和R2的值，接着在Y方向进行线性插值，由R1和R2的值计算P的值。
具体来说，R1根据如下公式进行计算：
Figure PCTCN2016082298-appb-000002
将原始灰阶值x、第一原始灰阶值x1、第二原始灰阶值x2、第一数据补偿值Q11、第三数据补偿值Q21代入上述公式，即可计算出R1的值，也即原始灰阶值x和第一当前灰阶值y1对应的数据补偿值。
承接上述举例，
Figure PCTCN2016082298-appb-000003
具体来说，R2根据如下公式进行计算：
Figure PCTCN2016082298-appb-000004
将原始灰阶值x、第一原始灰阶值x1、第二原始灰阶值x2、第二数据补偿值Q12、第四数据补偿值Q22代入上述公式，即可计算出R2的值，也即原始灰阶值x和第二当前灰阶值y2对应的数据补偿值。
承接上述举例，
Figure PCTCN2016082298-appb-000005
具体来说，P根据如下公式进行计算：
Figure PCTCN2016082298-appb-000006
将当前灰阶值y、第一当前灰阶值y1、第二当前灰阶值y2、R1的值、R2的值代入上述公式，即可计算出P的值，也即原始灰阶值x和当前灰阶值y对应的数据补偿值。
承接上述举例，
Figure PCTCN2016082298-appb-000007
也即子像素点A对 应的数据补偿值为31.5。
在本实施例中，当当前数据帧中的子像素点位于第二位置时，位于第二位置的子像素点对应的数据补偿值为零。其中，第二位置为第一极性模式切换至第二极性模式时极性不相同的子像素点的位置。换个角度来说，由于第二位置在第一极性模式切换至第二极性模式时，子像素点的极性不相同，因此不需要对该类像素点进行补偿。
步骤S104：在第二极性模式下将当前数据帧中各子像素点的值与对应的数据补偿值叠加后输出至显示面板。
在步骤S104中，在第二极性模式下，将位于第一位置的子像素点的当前灰阶值与数据补偿值叠加后输出至显示面板，其中，叠加可以为当前灰阶值与对应的数据补偿值相加，也可以为当前灰阶值与对应的数据补偿值相减，其根据实际情况来确定。将位于第二位置的子像素点的当前灰阶值直接输出至显示面板。
本领域的技术人员可以理解，当前数据帧完成显示后，下一数据帧不需要继续进行数据补偿，而是直接输出至显示面板。另外，下一数据帧中各像素点的极性与图3所示的各像素点的极性相反。
步骤S105：在第一极性模式下将当前数据帧中各子像素点的值输出至显示面板。
在步骤S105中，当步骤S101检测当前数据帧不满足将第一极性模式切换至第二极性切换模式的预定切换条件时，在第一极性模式下将当前数据帧中各子像素点的当前灰阶值输出至显示面板。
其中，若前一数据帧的极性输入信号为第一极性信号，则当前数据帧中各像素点的极性如图2B所示。若前一数据帧的极性输入信号为第二极性信号，则当前数据帧中各像素点的极性如图2A所示。
图5是本发明实施例的显示面板的驱动装置的结构示意图。如图5所示，该驱动装置包括检测模块11、补偿选择信号产生模块12、补偿值获取模块13和输出模块14。
检测模块11用于检测当前数据帧data是否满足将第一极性模式切换至第二极性模式的预定切换条件，其中，当当前数据帧满足预定切换条件时，产生补偿使能信号composation-en。
补偿选择信号产生模块12与检测模块11连接，用于根据检测模块11产生的补偿使能信号composation-en、前一数据帧对应的极性输入信号polar和当前数据帧中各像素点的位置产生补偿选择信号mode-sel。
补偿值获取模块13与补偿选择信号产生模块12连接，用于在补偿选择信号产生模块12产生的补偿选择信号mode-sel的控制下获取当前数据帧中各像素点对应的数据补偿值。
其中，补偿值获取模块13包括第一补偿单元131、第二补偿单元132和第三补偿单元133。当极性输入信号为第一极性信号，当前数据帧中的子像素点位于第一位置时，补偿选择信号mode-sel选择第一补偿单元131获取当前数据帧中第一位置的子像素点所对应的数据补偿值；当极性输入信号为第二极性信号，当前数据帧中的子像素点位于第一位置时，补偿选择信号mode-sel选择第二补偿单元132获取当前数据帧中第一位置的子像素点所对应的数据补偿值；当极性输入信号为第一极性信号或第二极性信号，当前数据帧中的子像素点位于第二位置时，补偿选择信号mode-sel选择第三补偿单元133获取当前数据帧中第二位置的子像素点所对应的数据补偿值；其中，第一位置为第一极性模式切换至第二极性模式时极性相同的子像素点的位置，第二位置为第一极性模式切换至第二极性模式时极性不相同的子像素点的位置。
具体来说，第一补偿单元131和第二补偿单元132分别用于在前一数据帧和当前数据帧中获取第一位置的子像素点对应的灰阶值，分别记为原始灰阶值和当前灰阶值；根据原始灰阶值和当前灰阶值利用双线性内插法在极性输入信号对应的数据补偿表格中获取数据补偿值。
其中，当极性输入信号为第一极性信号时，数据补偿表格为第一数据补偿表格，第一数据补偿表格设置在第一补偿单元131中。当极性输入信号为第二 极性信号时，数据补偿表格为第二数据补偿表格，第二数据补偿表格设置在第二补偿单元132中。
第三补偿单元133为直通单元，第三补偿单元133获取的当前数据帧中第二位置的子像素点所对应的数据补偿值为零。
输出模块14与补偿值获取模块13连接，用于在第二极性模式下将各子像素点的值与补偿值获取模块获取的对应的数据补偿值叠加后输出至显示面板以及在第一极性模式下将当前数据帧中各子像素点的值输出至显示面板。
本发明的有益效果是：本发明的显示面板的驱动方法及驱动装置通过检测当前数据帧是否满足将第一极性模式切换至第二极性模式的预定切换条件；若当前数据帧满足预定切换条件，获取前一数据帧对应的极性输入信号；根据极性输入信号、当前数据帧中各子像素点的位置获取各子像素点对应的数据补偿值；在第二极性模式下将当前数据帧各子像素点的值与对应的数据补偿值叠加后输出至显示面板。通过上述方式，本发明能够避免第一极性模式切换至第二极性模式时出现的瞬间闪烁的问题。
以上所述仅为本发明的实施方式，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (14)

  1. 一种显示面板的驱动方法，其中，所述方法包括：
    检测当前数据帧是否满足将第一极性模式切换至第二极性模式的预定切换条件；
    若所述当前数据帧满足所述预定切换条件，获取前一数据帧对应的极性输入信号；
    根据所述极性输入信号、所述当前数据帧中各子像素点的位置获取各所述子像素点对应的数据补偿值；
    在所述第二极性模式下将所述当前数据帧各所述子像素点的值与对应的数据补偿值叠加后输出至所述显示面板；
    若所述当前数据帧不满足所述预定切换条件，在所述第一极性模式下将所述当前数据帧中各子像素点的值输出至显示面板；
    其中，所述检测所述当前数据帧是否满足将第一极性模式切换至第二极性模式的预定切换条件的步骤包括：
    获取所述当前数据帧中灰阶值相同的子像素点的数目；
    判断灰阶值相同的子像素点的数目是否大于预定数目；
    若灰阶值相同的子像素点的数目量大于预定数目，则所述当前数据帧满足所述预定切换条件。
  2. 根据权利要求1所述的方法，其中，所述根据所述极性输入信号、所述当前数据帧中子像素点的位置获取各所述子像素点对应的数据补偿值的步骤包括：
    当所述当前数据帧中的子像素点位于第一位置时，在所述前一数据帧和所述当前数据帧中获取所述第一位置的子像素点对应的灰阶值，分别记为原始灰阶值和当前灰阶值；根据所述原始灰阶值和所述当前灰阶值利用双线性内插法在所述极性输入信号对应的数据补偿表格中获取所述数据补偿值；
    其中，所述第一位置为所述第一极性模式切换至所述第二极性模式时极性相同的所述子像素点对应的位置。
  3. 根据权利要求2所述的方法，其中，所述根据所述极性输入信号、所述当前数据帧中子像素点的位置获取所述子像素点对应的数据补偿值的步骤进一步包括：
    当所述当前数据帧中的子像素点位于第二位置时，位于所述第二位置的所述子像素点对应的数据补偿值为零；
    其中，所述第二位置为所述第一极性模式切换至所述第二极性模式时极性不相同的所述子像素点对应的位置。
  4. 根据权利要求2所述的方法，其中，当所述极性输入信号为第一极性信号时，所述第一极性模式下各子像素点的极性按照正、负、负、正的方式沿数据帧的行和列重复排列；
    当所述极性输入信号为第二极性信号时，所述第一极性模式下各子像素点的极性按照负、正、正、负的方式沿数据帧的行和列重复排列；
    其中，所述第一极性模式切换至所述第二极性模式时，所述第二极性模式下各子像素点的极性按照正、负的方式沿数据帧的行重复排列。
  5. 一种显示面板的驱动方法，其中，所述方法包括：
    检测当前数据帧是否满足将第一极性模式切换至第二极性模式的预定切换条件；
    若所述当前数据帧满足所述预定切换条件，获取前一数据帧对应的极性输入信号；
    根据所述极性输入信号、所述当前数据帧中各子像素点的位置获取各所述子像素点对应的数据补偿值；
    在所述第二极性模式下将所述当前数据帧各所述子像素点的值与对应的数据补偿值叠加后输出至所述显示面板。
  6. 根据权利要求5所述的方法，其中，所述检测所述当前数据帧是否满足 将第一极性模式切换至第二极性模式的预定切换条件的步骤包括：
    获取所述当前数据帧中灰阶值相同的子像素点的数目；
    判断灰阶值相同的子像素点的数目是否大于预定数目；
    若灰阶值相同的子像素点的数目量大于预定数目，则所述当前数据帧满足所述预定切换条件。
  7. 根据权利要求5所述的方法，其中，所述根据所述极性输入信号、所述当前数据帧中子像素点的位置获取各所述子像素点对应的数据补偿值的步骤包括：
    当所述当前数据帧中的子像素点位于第一位置时，在所述前一数据帧和所述当前数据帧中获取所述第一位置的子像素点对应的灰阶值，分别记为原始灰阶值和当前灰阶值；根据所述原始灰阶值和所述当前灰阶值利用双线性内插法在所述极性输入信号对应的数据补偿表格中获取所述数据补偿值；
    其中，所述第一位置为所述第一极性模式切换至所述第二极性模式时极性相同的所述子像素点对应的位置。
  8. 根据权利要求7所述的方法，其中，所述根据所述极性输入信号、所述当前数据帧中子像素点的位置获取所述子像素点对应的数据补偿值的步骤进一步包括：
    当所述当前数据帧中的子像素点位于第二位置时，位于所述第二位置的所述子像素点对应的数据补偿值为零；
    其中，所述第二位置为所述第一极性模式切换至所述第二极性模式时极性不相同的所述子像素点对应的位置。
  9. 根据权利要求7所述的方法，其中，当所述极性输入信号为第一极性信号时，所述第一极性模式下各子像素点的极性按照正、负、负、正的方式沿数据帧的行和列重复排列；
    当所述极性输入信号为第二极性信号时，所述第一极性模式下各子像素点的极性按照负、正、正、负的方式沿数据帧的行和列重复排列；
    其中，所述第一极性模式切换至所述第二极性模式时，所述第二极性模式下各子像素点的极性按照正、负的方式沿数据帧的行重复排列。
  10. 根据权利要求5所述的方法，其中，所述方法还包括：
    若所述当前数据帧不满足所述预定切换条件，在所述第一极性模式下将所述当前数据帧中各子像素点的值输出至显示面板。
  11. 一种显示面板的驱动装置，其中，所述装置包括：
    检测模块，用于检测当前数据帧是否满足将第一极性模式切换至第二极性模式的预定切换条件，其中，当所述当前数据帧满足所述预定切换条件时，产生补偿使能信号；
    补偿选择信号产生模块，与所述检测模块连接，用于根据所述检测模块产生的所述补偿使能信号、前一数据帧对应的极性输入信号和所述当前数据帧中各像素点的位置产生补偿选择信号；
    补偿值获取模块，与所述补偿选择信号产生模块连接，用于在所述补偿选择信号产生模块产生的所述补偿选择信号的控制下获取所述当前数据帧中各像素点对应的数据补偿值；
    输出模块，与所述补偿值获取模块连接，用于在所述第二极性模式下将所述当前数据帧各所述子像素点的值与所述补偿值获取模块获取的对应的所述数据补偿值叠加后输出至所述显示面板。
  12. 根据权利要求11所述的装置，其中，所述数据补偿值获取模块包括第一补偿单元、第二补偿单元和第三补偿单元；
    当所述极性输入信号为第一极性信号，所述当前数据帧中的子像素点位于第一位置时，所述补偿选择信号选择所述第一补偿单元获取所述当前数据帧中所述第一位置的所述子像素点所对应的数据补偿值；
    当所述极性输入信号为第二极性信号，所述当前数据帧中的子像素点位于第一位置时，所述补偿选择信号选择所述第二补偿单元获取所述当前数据帧中所述第一位置的所述子像素点所对应的数据补偿值；
    当所述极性输入信号为所述第一极性信号或所述第二极性信号，所述当前数据帧中的子像素点位于第二位置时，所述补偿选择信号选择所述第三补偿单元获取所述当前数据帧中所述第二位置的所述子像素点所对应的数据补偿值；
    其中，所述第一位置为所述第一极性模式切换至所述第二极性模式时极性相同的所述子像素点对应的位置，所述第二位置为所述第一极性模式切换至所述第二极性模式时极性不相同的所述子像素点对应的位置。
  13. 根据权利要求12所述的装置，其中，所述第一补偿单元和所述第二补偿单元分别用于在所述前一数据帧和所述当前数据帧中获取所述第一位置的子像素点对应的灰阶值，分别记为原始灰阶值和当前灰阶值；根据所述原始灰阶值和所述当前灰阶值利用双线性内插法在所述极性输入信号对应的数据补偿表格中获取数据补偿值。
  14. 根据权利要求12所述的装置，其中，所述第三补偿单元为直通单元，所述第三补偿单元获取的所述当前数据帧中所述第二位置的所述子像素点所对应的数据补偿值为零。
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