WO2020051994A1 - 显示面板的驱动方法、装置以及显示设备 - Google Patents

显示面板的驱动方法、装置以及显示设备 Download PDF

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Publication number
WO2020051994A1
WO2020051994A1 PCT/CN2018/111334 CN2018111334W WO2020051994A1 WO 2020051994 A1 WO2020051994 A1 WO 2020051994A1 CN 2018111334 W CN2018111334 W CN 2018111334W WO 2020051994 A1 WO2020051994 A1 WO 2020051994A1
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Prior art keywords
voltage
sub
pixel
driving
preset
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Ceased
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PCT/CN2018/111334
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English (en)
French (fr)
Inventor
康志聪
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HKC Co Ltd
Chongqing HKC Optoelectronics Technology Co Ltd
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HKC Co Ltd
Chongqing HKC Optoelectronics Technology Co Ltd
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Application filed by HKC Co Ltd, Chongqing HKC Optoelectronics Technology Co Ltd filed Critical HKC Co Ltd
Priority to US16/241,038 priority Critical patent/US10930235B2/en
Publication of WO2020051994A1 publication Critical patent/WO2020051994A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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

Definitions

  • the present application relates to the technical field of displays, and in particular, to a driving method and device for a display panel, and a display device.
  • VA liquid crystal technology has the advantages of higher production efficiency and lower manufacturing cost.
  • IPS liquid crystal technology there are obvious defects in optical properties. For example, when presenting large-view angle images, VA liquid crystal technology The liquid crystal display panel may have a color shift.
  • the brightness of a pixel should ideally change linearly with the change in voltage, so that the driving voltage of the pixel can accurately represent the gray level of the pixel and be reflected by the brightness.
  • the brightness of the pixel when using VA liquid crystal technology, when viewing the display surface with a small viewing angle (such as front view), the brightness of the pixel can meet the ideal situation, that is, it changes linearly with voltage, as shown by the ideal curve in Figure 1a
  • the display surface is viewed at a larger viewing angle (for example, above 160 degrees with the display surface)
  • the brightness of the pixel quickly saturates with the voltage, and then changes slowly. This is shown in the actual curve in Figure 1a. In this way, under a large viewing angle, the gray level that the driving voltage should have had a serious deviation, that is, a color shift.
  • the traditional way to improve color cast is to subdivide each sub-pixel into a main pixel and a sub-pixel, and then drive the main pixel with a relatively high driving voltage, and drive the sub-pixel with a relatively low driving voltage.
  • the sub-pixels together display a sub-pixel.
  • the relatively high driving voltage and the relatively low driving voltage are used to drive the main pixel and the sub-pixel, the relationship between the brightness under the front view angle and the corresponding gray scale is maintained.
  • the method shown in Figure 1b is adopted. In the first half of the gray scale, the main pixel is driven by a relatively high driving voltage and the sub-pixel is not displayed.
  • the brightness of the entire sub-pixel is half the brightness of the main pixel.
  • the main pixel is driven with a relatively high driving voltage and the sub-pixel is driven with a relatively low driving voltage.
  • the brightness of the entire sub-pixel is half the sum of the brightness of the main pixel plus the brightness of the sub-pixel.
  • the problem with the above method is that it is necessary to double the metal traces and driving devices to drive the sub-pixels, sacrificing the light-transmissive opening area, affecting the light transmittance of the panel, and the cost is higher.
  • the main purpose of the present application is to propose a driving method, device, device and storage medium for a display panel based on a data integration driving circuit, which aims to improve the driving method of a display panel with a large viewing angle without increasing cost.
  • the present application provides a method for driving a display panel.
  • the display panel includes a display array, the display array includes pixel units arranged in an array, and the pixel units include a first sub-direction in a first direction.
  • a pixel, a second sub-pixel, and a third sub-pixel, the three sub-pixels of the pixel unit are respectively aligned in the second direction according to the order of arrangement;
  • the driving method of the display panel includes:
  • the common electrode of the even-numbered rows of the sub-pixels of the first column of pixel units and the odd-numbered rows of the sub-pixels of the second column of pixel units is used in the first driving cycle in the current driving cycle.
  • the present application also proposes a driving device for a display panel, wherein the driving device includes a processor and a nonvolatile memory, the nonvolatile memory stores executable instructions, and the processing The processor executes the executable instructions, and the executable instructions include:
  • the common electrode driving module is configured to scan at least three adjacent pixel units as a driving cycle, and in the current driving cycle, subpixels in even rows of the first column of pixel units and subpixels in odd rows of the second column of pixel units are driven.
  • the common electrode is driven by a first preset voltage, and the common electrode of the even-numbered rows of sub-pixels in the second column of pixel units and the odd-numbered rows of sub-pixels in the third column of pixel units is driven by a second preset voltage. Driving at a preset voltage; and
  • the data driving module is configured to drive a preset sub-pixel in the pixel unit according to a data driving signal input from a data driving circuit when the first preset voltage and the second preset voltage meet a preset condition, where The driving line where the first preset voltage and the second preset voltage are located is parallel to the data driving line input by the data driving circuit.
  • the present application also proposes a display device, wherein the display device includes a driving device for a display panel.
  • the present application also proposes a storage medium, wherein the storage medium stores a driver for a display panel, and the driver for the display panel implements the display as described above when executed by a processor. Steps of panel driving method.
  • a scanning cycle is completed after scanning at least three columns of pixel units.
  • the common electrodes of even-numbered rows of sub-pixels and odd-numbered rows of sub-pixels in adjacent column pixel units are driven with a preset voltage, and There is no need to double the metal traces and driving devices to drive the sub-pixels to achieve cost savings, and when the first preset voltage and the second preset voltage meet the preset conditions, the pixel unit
  • the preset sub-pixels are driven according to the data driving signal input from the data driving circuit, so that the sub-pixels in the pixel unit are arranged in a manner of high and low voltage crossing, thereby achieving the purpose of solving the role deviation.
  • Figure 1a is the relationship between the improved front color deviation curve and the ideal curve
  • Figure 1b shows the relationship between the improved color shift curve and the ideal curve
  • FIG. 2 is a schematic structural diagram of a display device in a hardware operating environment according to an embodiment of the present application
  • FIG. 3a is a schematic structural diagram of an example display array
  • 3b is a driving timing diagram of an exemplary display array
  • 4a is a schematic structural diagram of an embodiment of the present application.
  • Figure 4b is a schematic diagram of a driving sequence of an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of another embodiment of a display array of the present application.
  • FIG. 6 is a schematic flowchart of an embodiment of a driving method of a display panel of the present application.
  • FIG. 7 is a schematic structural diagram of an embodiment of a display device according to the present application.
  • FIG. 8 is a schematic structural diagram of another embodiment of a driving device for a display panel of the present application.
  • FIG. 2 is a schematic structural diagram of a display panel of a hardware operating environment according to an embodiment of the present application.
  • the display panel may include a processor 1001, such as a CPU, a communication bus 1002, a user interface 1003, a network interface 1004, and a memory 1005.
  • the communication bus 1002 is used to implement connection and communication between these components.
  • the user interface 1003 may include a display, an input unit such as a keyboard, and the optional user interface 1003 may further include a standard wired interface and a wireless interface.
  • the network interface 1004 may optionally include a standard wired interface and a wireless interface (such as a WI-FI interface).
  • the memory 1005 may be a high-speed RAM memory or a non-volatile memory. memory), such as disk storage.
  • the memory 1005 may optionally be a storage device independent of the foregoing processor 1001, and the display panel 1006 may be a liquid crystal display panel or other display panels that can implement the same or similar functions.
  • the structure of the display panel shown in FIG. 2 does not constitute a limitation on the display panel, and may include more or fewer components than shown in the figure, or some components may be combined, or different component arrangements.
  • the memory 1005 as a storage medium may include an operating system, a network communication module, a user interface module, and a driver for a display panel.
  • the network interface 1004 is mainly used to connect to a network and perform data communication with the Internet;
  • the user interface 1003 is mainly used to connect to a user terminal and perform data communication with the terminal;
  • the processor 1001 in the display panel of the present application The memory 1005 may be provided in a data driving integrated circuit.
  • the data driving integrated circuit calls the driver of the display panel stored in the memory 1005 through the processor 1001 and executes the operation of the driving method of the display panel.
  • FIG. 3a a schematic structural diagram of an example display array is shown.
  • the common electrode of the original liquid crystal display pixel is designed to pass through the same row of sub-pixels in the same row direction parallel to the gate electrode, as shown in FIG. 3b.
  • the voltage is a fixed voltage value.
  • the driving voltage Vd is sequentially driven according to the required voltage of each sub-pixel, as shown in the high-voltage sub-pixel on Figure 3a.
  • the driving amplitude of adjacent sub-pixels will increase, the driving frequency will increase, and the increase in driving amplitude will directly increase the power consumption and temperature of the driving IC, and may reduce the pixel charging capacity and directly reflect the decrease in panel brightness. .
  • FIG. 4a is a schematic structural diagram of an embodiment of a display array
  • FIG. 4b is a schematic diagram of a driving sequence corresponding to the display array of this embodiment.
  • the display panel of the display array 30 may be a liquid crystal display panel, and may also be the same or similar.
  • the functional display panel is not limited in this embodiment.
  • a liquid crystal display panel is taken as an example for description.
  • the display panel includes a display array, and the display array includes pixel units 10 arranged in an array.
  • the pixel unit 10 includes a first sub-pixel, a second sub-pixel, and a third sub-pixel in a first direction.
  • the three sub-pixels of the pixel unit 10 are respectively aligned in the second direction according to the order of arrangement.
  • a sub-pixel, a second sub-pixel, and a third sub-pixel correspond to a red sub-pixel (R), a green sub-pixel (G), and a blue sub-pixel (B), respectively, wherein the first direction is a row direction, so The second direction is a column direction.
  • FIG. 5 is a schematic flowchart of a first embodiment of a method for driving a display panel of the present application.
  • the driving method of the display panel includes the following steps:
  • a scan cycle is performed after scanning at least three adjacent pixel units.
  • a common electrode of even-numbered rows of sub-pixels in the first column of pixel units and odd-numbered rows of sub-pixels in the second column of pixel units is used.
  • the first preset voltage is used for driving, and the common electrode of the even-numbered rows of sub-pixels in the second column of pixel units and the odd-numbered rows of sub-pixels in the third column of pixel units is driven by the second preset voltage during the current driving cycle. drive.
  • a pixel unit is used as a group, and it is divided into a first column, a second column, and a third column.
  • the sub-pixels in even rows in the first column and the sub-pixels in odd rows in the second column of pixel units are divided.
  • the common electrodes of the pixels are connected and driven by a first preset voltage, the first preset voltage is Vcom1, and the sub-pixels of the even-numbered rows of the second column of pixel units and the sub-pixels of the odd-numbered rows of the third column of pixel units are connected.
  • the common electrodes of the pixels are connected and driven by a second preset voltage, which is Vcom2.
  • Step S20 when the first preset voltage and the second preset voltage satisfy a preset condition, drive a preset sub-pixel in the pixel unit according to a data driving signal input from a data driving circuit, wherein the The driving line where the first preset voltage and the second preset voltage are located is parallel to the data driving line input by the data driving circuit.
  • the preset condition is a state when the first preset electrode and the second preset electrode are driven, for example, the first preset voltage is driven with a positive polarity driving voltage, and the second preset voltage is negative.
  • the first preset voltage is driven by a negative driving voltage
  • the second preset voltage is driven by a positive driving voltage
  • the first preset voltage and the second preset voltage are driven.
  • the polarities of the electrodes are opposite.
  • the design of the common electrode of the sub-pixel is different from the traditional parallel design method with the scanning driving line, and the parallel design with the data driving line is adopted.
  • the corresponding data driving signal is a negative polarity driving.
  • the data driving signal is a positive polarity driving signal, thereby ensuring that adjacent sub-pixels are high or low The voltage is interspersed to reduce the color shift.
  • the first preset voltage is a negative polarity driving voltage and the second preset voltage is a positive polarity driving voltage
  • the high voltage in the first column of pixel units and the second column of pixel units is changed.
  • the sub-pixels are driven with a positive polarity
  • the low-voltage sub-pixels in the second column of pixel units and the third column of pixel units are driven with a positive polarity, wherein the first preset voltage is less than a reference voltage and the second preset voltage is Set the voltage to be greater than the reference voltage;
  • the first preset voltage and the second preset voltage are periodically inverted
  • the high of the first column of pixel units and the second column of pixel units is The voltage sub-pixels are driven by a negative polarity, and the low-voltage sub-pixels in the second column of pixel units and the third column of pixel units are driven by a negative polarity, wherein the inverted first preset voltage is greater than the reference Voltage, the second preset voltage after the inversion is smaller than the reference voltage.
  • the common electrode voltage corresponding to the high-voltage driving signals of the red, green, and blue sub-pixels in the first and second columns is Vcom1 negative driving voltage.
  • the common electrode voltage Vcom1 is smaller than the original common electrode voltage Vcom, that is, Vcom1 ⁇ Vcom
  • the common electrode voltage corresponding to the low-voltage driving signals in the second and third columns is the Vcom2 positive driving voltage.
  • the common electrode voltage has a positive polarity, that is, the common electrode voltage Vcom2 is larger than the original common electrode voltage Vcom, that is, Vcom2> Vcom, and the common electrode voltages Vcom1 and Vcom2 are alternately interspersed on the pixel. With the reversal of the data driving signal, the common electrode voltage also switches with the polarity of the subpixel driving signal.
  • the common electrode voltage corresponding to the high-voltage driving signals in the first and second columns is Vcom1 positive driving voltage.
  • the positive electrode voltage, that is, the common electrode voltage Vcom1 is larger than the original common electrode voltage Vcom, that is, Vcom1> Vcom.
  • the common electrode voltage corresponding to the low-voltage driving signals in the second and third columns is Vcom2 negative driving voltage.
  • the first preset voltage is a negative polarity driving voltage and the second preset voltage is a positive polarity driving voltage
  • driving the red pixels in the first column of pixel units and the second column of pixel units to be low Voltage negative polarity sub-pixel, blue low voltage negative polarity sub-pixel, and green high voltage positive polarity sub-pixel
  • driving the red high voltage negative polarity sub-pixel, blue high voltage in the second column pixel unit and the third column pixel unit A negative polarity sub-pixel and a green low-voltage positive polarity sub-pixel, wherein the first preset voltage is less than a reference voltage and the second preset voltage is greater than the reference voltage
  • the first preset voltage and the second preset voltage are periodically inverted
  • the red in the first column of pixel units and the second column of pixel units is driven A low-voltage positive-polarity sub-pixel, a blue low-voltage positive-polarity sub-pixel, and a green high-voltage negative-polarity sub-pixel, and drive the red high-voltage positive-polarity sub-pixel, blue high The voltage positive polarity sub-pixel and the green low voltage negative polarity sub-pixel, wherein the first preset voltage after the inversion is larger than the reference voltage, and the second preset voltage after the inversion is smaller than the reference voltage.
  • FIG. 6 a schematic structural diagram of a display array according to another embodiment is provided.
  • the common electrode voltages of the R and B low-voltage negative polarity sub-pixels and G high-voltage positive polarity sub-pixels in the first and second columns are Vcom1 negative polarity.
  • the driving voltage, the common electrode voltage has a negative polarity, that is, the common electrode voltage Vcom1 is smaller than the original common electrode voltage Vcom, that is, Vcom1 ⁇ Vcom.
  • the second and third columns R, G, B Line sub-pixels.
  • the common electrode voltages corresponding to the R, B high-voltage negative polarity sub-pixels and G low-voltage positive polarity sub-pixels of the six-line sub-pixels are Vcom2 positive driving voltages.
  • the common electrode voltage positive polarity is the common electrode voltage Vcom2 relative to the original.
  • the common electrode voltage Vcom is larger, that is, Vcom2> Vcom, and the common electrode voltages Vcom1 and Vcom2 are alternately interspersed on the pixel.
  • the common electrode voltage With the inversion of the data drive signal, the common electrode voltage also switches with the polarity of the subpixel drive signal.
  • the R and B low-voltage positive polarity sub-pixels in the first and second columns correspond to the G-voltage negative polarity sub-pixels.
  • the common electrode voltage of Vcom1 is the positive polarity driving voltage.
  • the common electrode voltage is the positive polarity, that is, the common electrode voltage Vcom1 is larger than the original common electrode voltage Vcom, that is, Vcom1> Vcom.
  • the R and B high voltages of the second and third columns.
  • the common electrode voltage corresponding to the positive-polarity sub-pixel and the G low-voltage negative-polarity sub-pixel is Vcom2 negative-polarity driving voltage.
  • the common-electrode voltage negative-polarity, that is, the common-electrode voltage Vcom2 is smaller than the original common-electrode voltage Vcom, that is, Vcom2 ⁇ Vcom.
  • is lower than the equivalent voltage VRd_2 of the high-voltage sub-pixel VRd_2 corresponding to the common electrode voltage Vcom2
  • the R and B sub-pixels in the first and second columns of frame1 are low-voltage negative polarity and G is high-voltage positive polarity driving, and Vcom1 negative-polarity common electrode voltage driving is used.
  • the R and B sub-pixels in the second and third columns are high-voltage negative polarity and G is low-voltage positive polarity driving, and the Vcom2 positive-polarity common electrode voltage driving is used.
  • the driving voltage of the same green sub-pixel in the second column is Vgd1.
  • the high-voltage sub-pixel VGd_1
  • and the low-voltage sub-pixel VGd_2
  • the driving voltage of the same green sub-pixel in the third column is Vgd2.
  • the high-voltage pixel VGd_2
  • and the low-voltage pixel VGd_1
  • R in the second column has the same driving voltage Vrd1.
  • the high-voltage sub-pixel VRd_2
  • and the low-voltage sub-pixel VRd_1
  • , a low voltage pixel VRd_2
  • , a low voltage pixel VBd_2
  • the common electrode voltage Vcom1 corresponding to the high-voltage subpixels VGd_1, VGd_3, and VGd_5 in the G column is a negative-polarity driving voltage.
  • the common-electrode voltage has a negative polarity, that is, the common-electrode voltage Vcom1 is smaller than the original common-electrode voltage Vcom, that is, Vcom1 ⁇ Vcom.
  • the common-electrode voltage Vcom2 corresponding to the low-voltage sub-pixels VGd_2, VGd_4, and VGd_6 is a positive-polarity driving voltage.
  • the common-electrode voltage positive-polarity that is, the common-electrode voltage Vcom2 is larger than the original common-electrode voltage Vcom, that is, Vcom2> Vcom.
  • the high-voltage sub-pixels VGd_1, VGd_3, VGd_5 and the low-voltage sub-pixels VGd_2, VGd_4, and VGd_6 are positive-polarity driving voltages.
  • the common electrode voltage also matches the periodic voltage switching of the polarity inversion drawing frame, that is, the common electrode voltage Vcom1 becomes a positive polarity driving voltage, and the common electrode voltage is positive polarity, that is, the common electrode voltage Vcom1.
  • the common electrode voltage Vcom2 becomes a negative driving voltage.
  • the common electrode voltage has a negative polarity, that is, the common electrode voltage Vcom2 is smaller than the original common electrode voltage Vcom, that is, Vcom2 ⁇ Vcom.
  • the sub-pixels VGd_2, VGd_4, and VGd_6 are negative driving voltages.
  • the first row of R, G, B sub-pixels are driven by high and low voltages.
  • the high-voltage sub-pixels are driven by negative polarity, and the low-voltage unit pixels are driven by positive polarity.
  • the electrode voltage Vcom1 is larger than the original common electrode voltage Vcom, that is, Vcom1> Vcom.
  • the R, G, and B sub-pixels in the next column are arranged in a high-low voltage interleaved driving arrangement.
  • the high-voltage sub-pixels are positive-polarity driving, and the low-voltage sub-pixels are negative-polarity driving.
  • the common-electrode voltage Vcom2 is opposite. It is smaller than the original common electrode voltage Vcom, that is, Vcom2 ⁇ Vcom).
  • the sub-pixels and the common electrode voltages are sequentially driven in this order.
  • the common electrode voltage is driven in a positive and negative polarity with respect to the original common electrode in a sequential switching driving method, and the preset sub-pixels in adjacent pixel units are driven by a high-low voltage interspersed arrangement, thereby solving the problem of wide-ranging roles.
  • Technical problems, and the driving of the driver is replaced by the inversion of the common electrode voltage, thereby reducing the work of the driver chip, reducing the power consumption of the driver chip, and eliminating the need to double the metal traces and driver devices to drive the sub-pixels to achieve The purpose of cost savings.
  • the two adjacent sub-pixels in the same column are selected respectively, and the high-voltage sub-pixels in the selected sub-pixels and the low-voltage sub-pixels in the selected sub-pixels are driven with the same positive polarity driving voltage.
  • the same driving signal when the data driving signal is positively driven, the same driving signal is shared by adjacent sub-pixels in the same column, so that the adjacent sub-pixels in the same column are driven by the same data driving signal, thereby driving the data driving signal.
  • the frequency is reduced by half, reducing the power consumption of the driver chip.
  • driving the preset sub-pixel in the pixel unit according to a data driving signal input from a data driving circuit includes:
  • the equivalent driving voltage of the high voltage subpixel and the low voltage subpixel in the selected subpixel is performed by using a preset data driving signal.
  • the preset data driving signal is an average signal of the driving signals of two adjacent subpixels in the same original column.
  • the direct drive frequency is reduced to 1/2, which can reduce the operation of the driver IC, reducing the power consumption of the driver IC and the risk of temperature rise of the driver IC.
  • the equivalent driving voltage of the high-voltage sub-pixel in the selected sub-pixel is driven at a value greater than the equivalent driving voltage of the low-voltage sub-pixel in the selected sub-pixel.
  • the voltage difference between (V2> Vcom) and the negative common electrode Vcom1 (Vcom1 ⁇ Vcom), that is, VGd_3
  • a scanning cycle is performed after scanning at least three columns of pixel units.
  • common electrodes of even-numbered rows of sub-pixels and odd-numbered rows of sub-pixels in adjacent pixel units are driven by a preset voltage, and It is not necessary to double the metal traces and driving devices to drive the sub-pixels to achieve the purpose of cost savings, and when the first preset voltage and the second preset voltage meet the preset conditions, the pixel unit
  • the preset sub-pixels are driven according to the data driving signals input by the data driving circuit, so that the sub-pixels in the pixel unit are arranged in a manner of high and low voltage crossing, thereby achieving the purpose of solving the role deviation.
  • an embodiment of the present application further provides a display device.
  • the display device includes:
  • the common electrode driving module 110 is configured to scan at least three adjacent columns of pixel units as a driving cycle, and in the current driving cycle, sub-pixels in even rows of the first column of pixel units and sub-pixels in odd rows of the second column of pixel units are driven.
  • the common electrode of the pixel is driven by a first preset voltage, and the common electrode of the even-numbered rows of the sub-pixels in the second column of pixel units and the odd-numbered rows of the sub-pixels in the third column of pixel units in the current driving cycle is driven by the first electrode. Two preset voltages for driving.
  • the data driving module 120 is configured to drive a preset sub-pixel in the pixel unit according to a data driving signal input from a data driving circuit when the first preset voltage and the second preset voltage meet a preset condition,
  • the driving line where the first preset voltage and the second preset voltage are located is parallel to the data driving line input by the data driving circuit.
  • the driving device of the display panel further includes a display array 100 and a driving module 200.
  • the driving module 200 may include a scanning unit 210 and a driving unit 220.
  • the scanning unit 210 is configured to output a scanning signal, and is generally The pixel unit is scanned in a row, and the driving unit 220 outputs a driving signal, so that the pixel unit receives driving data for display when it is scanned.
  • the driving module 200 can refer to the above embodiment. After this process, at least three columns of pixel units can be scanned as a driving cycle. In the current driving cycle, the sub-pixels of the even-numbered rows and the sub-pixels of the odd-numbered rows in the pixel units of adjacent columns are scanned.
  • the common electrode is driven by a preset voltage, without the need to double the metal traces and driving devices to drive the sub-pixels, to achieve the purpose of cost savings, and the first preset voltage and the second preset voltage meet
  • the preset sub-pixels in the pixel unit are driven according to the data driving signal input from the data driving circuit, so that the sub-pixels in the pixel unit are arranged in a manner of high and low voltage crossing, thereby achieving the solution.
  • the purpose of the role is a preset voltage, without the need to double the metal traces and driving devices to drive the sub-pixels, to achieve the purpose of cost savings, and the first preset voltage and the second preset voltage meet
  • an embodiment of the present application further provides a storage medium.
  • a driver for the display panel is stored on the storage medium.
  • the driver for the display panel is the method for driving the display panel as described above when the processor executes the driver.

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Abstract

一种显示面板(1006)的驱动方法、装置以及显示设备，其中驱动方法包括，以扫描完至少三列像素单元为驱动周期，在当前驱动周期内将第一列的像素单元中偶数行的子像素与第二列像素单元中奇数行的子像素的共电极采用第一预设电压(Vcom1)进行驱动，将当前驱动周期内的第二列像素单元的偶数行的子像素与第三列像素单元的奇数行的子像素的共电极采用第二预设电压(Vcom2)进行驱动(S10)；并且在第一预设电压(Vcom1)和第二预设电压(Vcom2)满足预设条件时，将像素单元中的预设子像素按照数据驱动电路输入的数据驱动信号进行驱动，其中，第一预设电压(Vcom1)和第二预设电压(Vcom2)所处的驱动线与数据驱动电路输入的数据驱动线平行(S20)。

Description

显示面板的驱动方法、装置以及显示设备
技术领域
本申请涉及显示器技术领域，尤其涉及一种显示面板的驱动方法、装置以及显示设备。
背景技术
大尺寸液晶显示面板大多采用负型垂直配向(Vertical Alignment，VA)式或者共平面切换(In Panel Switching，IPS)式。VA型液晶技术相较于IPS液晶技术存在较高的生产效率及低制造成本的优势，但相较于IPS液晶技术，则存在较明显的光学性质缺陷，例如在大视角图像呈现时，VA型液晶显示面板会存在色偏。
在进行图像显示时，像素的亮度在理想情况下应该是随着电压的变化呈现线性的变化，这样像素的驱动电压就能够准确表示像素的灰阶，并通过亮度体现出来。如图1a所示，采用VA型液晶技术时，以较小的视角观看显示面时(例如正视)，像素的亮度可以符合理想情况，即随电压呈现线性变化，如图1a中的理想曲线所示；但当以较大的视角观看显示面时(例如与显示面呈160度以上)，由于VA型液晶技术原理所限，像素的亮度随着电压呈现出快速饱和，然后缓慢变化的情况，如图1a中的实际曲线所示。这样一来，大视角下，驱动电压原本应该呈现的灰阶，出现了严重的偏离，即出现色偏。
传统用于改善色偏的方式是将每一个子像素都再细分为一个主像素和次像素，然后用相对高的驱动电压驱动主像素，用相对低的驱动电压驱动次像素，主像素和次像素一起显示一个子像素。并且所述相对高的驱动电压和相对低的驱动电压在驱动主像素和次像素时，能够维持正视视角下的亮度与对应灰阶的关系不变。一般地，是采用如图1b所示的方式，灰阶的前半段，主像素用相对高的驱动电压驱动显示、次像素不显示，整个子像素的亮度就是主像素亮度的一半；在灰阶的后半段，主像素用相对高的驱动电压驱动显示、次像素用相对低的驱动电压驱动显示，整个子像素的亮度就是主像素的亮度加上次像素的亮度的和的一半。这样合成后，大视角下的亮度曲线如图1b中的实际曲线，其更接近理想曲线，因此大视角下的色偏情况有所改善。
但上述方法存在的问题是，需要增加一倍的金属走线和驱动器件来驱动次像素，使可透光开口区牺牲，影响面板透光率，同时成本也更高。
发明内容
本申请的主要目的在于提出一种基于数据集成驱动电路的显示面板的驱动方法、装置、设备及存储介质，旨在可以改善大视角色偏、同时成本不会提高的显示面板的驱动方法。
为实现上述目的，本申请提供一种显示面板的驱动方法，所述显示面板包括显示阵列，所述显示阵列包括呈阵列排布的像素单元，所述像素单元包括第一方向上的第一子像素、第二子像素以及第三子像素，所述像素单元的三个子像素根据排列的顺序分别在第二方向上对齐；所述显示面板的驱动方法包括：
以扫描完至少相邻三列像素单元为驱动周期，在当前驱动周期内将第一列像素单元的偶数行的子像素与第二列像素单元中奇数行的子像素的共电极采用第一预设电压进行驱动，将所述当前驱动周期内的第二列像素单元的偶数行的子像素与第三列像素单元中的奇数行的子像素的共电极采用第二预设电压进行驱动；
在所述第一预设电压和第二预设电压满足预设条件时，将所述像素单元中的预设子像素按照数据驱动电路输入的数据驱动信号进行驱动，其中，所述第一预设电压和第二预设电压所处的驱动线与所述数据驱动电路输入的数据驱动线平行。
此外，为实现上述目的，本申请还提出一种显示面板的驱动装置，其中，所述驱动装置包括处理器和非易失性存储器，所述非易失性存储器存储可执行指令，所述处理器执行所述可执行指令，所述可执行指令包括:
共电极驱动模块，设置为以扫描完至少相邻三列像素单元为驱动周期，在当前驱动周期内将第一列像素单元的偶数行的子像素与第二列像素单元中奇数行的子像素的共电极采用第一预设电压进行驱动，将所述当前驱动周期内的第二列像素单元的偶数行的子像素与第三列像素单元中的奇数行的子像素的共电极采用第二预设电压进行驱动；以及
数据驱动模块，设置为在所述第一预设电压和第二预设电压满足预设条件时，将所述像素单元中的预设子像素按照数据驱动电路输入的数据驱动信号进行驱动，其中，所述第一预设电压和第二预设电压所处的驱动线与所述数据驱动电路输入的数据驱动线平行。
此外，为实现上述目的，本申请还提出一种显示设备，其中，所述显示设备包括显示面板的驱动装置。
此外，为实现上述目的，本申请还提出一种存储介质，其中，所述存储介质上存储有显示面板的驱动程序，所述显示面板的驱动程序被处理器执行时实现如上文所述的显示面板的驱动方法的步骤。
本申请以扫描完至少三列像素单元为驱动周期，在当前驱动周期内将相邻列的像素单元中偶数行的子像素与奇数行的子像素的共电极采用预设电压进行驱动，而并不需要增加一倍的金属走线和驱动器件来驱动次像素，达到节约成本的目的，并且在所述第一预设电压和第二预设电压满足预设条件时，将所述像素单元中的预设子像素按照数据驱动电路输入的数据驱动信号进行驱动，从而将所述像素单元中的子像素设置为高低电压交叉的方式排列，进而达到解决视角色偏的目的。
附图说明
图1a为改善前色偏曲线与理想曲线的关系；
图1b为改善后色偏曲线与理想曲线的关系；
图2是本申请实施例方案涉及的硬件运行环境的显示设备结构示意图；
图3a为示例的显示阵列一实施例的结构示意图；
图3b为示例的显示阵列的驱动时序示意图；
图4a为本申请实施例的的结构示意图；
图4b为本申请实施例的的驱动时序示意图;
图5为本申请显示阵列另一实施例的结构示意图；
图6为本申请显示面板的驱动方法一实施例的流程示意图；
图7为本申请显示装置一实施例的结构示意图；
图8为本申请显示面板的驱动装置另一实施例的结构示意图。
本申请目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。
具体实施方式
应当理解，此处所描述的具体实施例仅仅用以解释本申请，并不用于限定本申请。
参照图2，图2为本申请实施例方案涉及的硬件运行环境的显示面板结构示意图。
如图2所示，该显示面板可以包括：处理器1001，例如CPU，通信总线1002、用户接口1003，网络接口1004，存储器1005。其中，通信总线1002用于实现这些组件之间的连接通信。用户接口1003可以包括显示屏（Display）、输入单元比如键盘（Keyboard），可选用户接口1003还可以包括标准的有线接口、无线接口。网络接口1004可选的可以包括标准的有线接口、无线接口（如WI-FI接口）。存储器1005可以是高速RAM存储器，也可以是稳定的存储器（non-volatile memory），例如磁盘存储器。存储器1005可选的还可以是独立于前述处理器1001的存储装置，所述显示面板1006可为液晶显示面板，还可为其他可实现相同或相似功能的显示面板。
本领域技术人员可以理解，图2中示出的显示面板结构并不构成对显示面板的限定，可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置。
如图2所示，作为一种存储介质的存储器1005中可以包括操作系统、网络通信模块、用户接口模块以及显示面板的驱动程序。
在图2所示的显示面板中，网络接口1004主要用于连接网络，与互联网进行数据通信；用户接口1003主要用于连接用户终端，与终端进行数据通信；本申请显示面板中的处理器1001、存储器1005可以设置在数据驱动集成电路中，所述数据驱动集成电路通过处理器1001调用存储器1005中存储的显示面板的驱动程序，并执行显示面板的驱动方法的操作。
基于上述硬件结构，提出本申请显示面板的驱动方法实施例。
参照图3a为示例的显示阵列的结构示意图，原液晶显示像素共电极设计为与栅极电极平行的同一行方向通过同一行子像素，如图3b为示例的显示阵列的驱动时序示意图，共电极电压为一固定的电压值，为实现高电压子像素与低电压子像素穿插达成色偏改善的效果，驱动电压Vd根据每个子像素的需求电压依序驱动，如图3a上的高电压子画素等效驱动电压VGd_1即为驱动电压VH1与共电极电Vcom的压差，即VGd_1=VH1-Vcom，次一相邻低电压子像素VGd_2即为驱动电压VL1与共电极电Vcom的压差，亦即VGd_2= VL1-Vcom，同理依序高电压及低电压子像素驱动，如图3b同一列像素驱动电压的电压驱动频率为VH1,VL1,VH2,VL2….,为显示器同一列子像素频率切换的数目。因此，如果显示器随著解析度的提高，同一列画素驱动电压的电压驱动频率就会提高，由于高电压子像素与低电压子像素的驱动信号不同，如果相邻子像素采用传统正负极性驱动方式，相邻子像素的驱动振幅便会提高，驱动频率提高，驱动振幅加大直接造成驱动IC的功耗增加及温度的上升，并且可能造画素成充电能力下降，直接反应面板亮度的下降。
参照图4a为显示阵列一实施例的结构示意图，图4b为本实施例显示阵列对应的驱动时序示意图，所述显示阵列30的显示面板可为液晶显示面板，还可为其他可实现相同或相似功能的显示面板，本实施例对此不作限制，在本实施例中，以液晶显示面板为例进行说明，所述显示面板包括显示阵列，所述显示阵列包括呈阵列排布的像素单元10，所述像素单元10包括第一方向上的第一子像素、第二子像素以及第三子像素，所述像素单元10的三个子像素根据排列的顺序分别在第二方向上对齐，所述第一子像素、第二子像素以及第三子像素分别对应为红色子像素（R）、绿色子像素（G）以及蓝色子像素（B），其中，所述第一方向为行方向，所述第二方向为列方向。
参照图5，图5为本申请显示面板的驱动方法第一实施例的流程示意图。
在第一实施例中，所述显示面板的驱动方法包括以下步骤：
步骤S10，以扫描完至少相邻三列像素单元为驱动周期，在当前驱动周期内将第一列像素单元的偶数行的子像素与第二列像素单元中奇数行的子像素的共电极采用第一预设电压进行驱动，将所述当前驱动周期内的第二列像素单元的偶数行的子像素与第三列像素单元中的奇数行的子像素的共电极采用第二预设电压进行驱动。
如图4a所示，以一列像素单位为一组，分为第一列、第二列以及第三列，将第一列中的偶数行的子像素与第二列像素单元中奇数行的子像素的共电极进行连接，通过第一预设电压进行驱动，所述第一预设电压为Vcom1，将第二列像素单元的偶数行的子像素与第三列像素单元中的奇数行的子像素的共电极进行连接，通过第二预设电压进行驱动，所述第二预设电压为Vcom2。
步骤S20，在所述第一预设电压和第二预设电压满足预设条件时，将所述像素单元中的预设子像素按照数据驱动电路输入的数据驱动信号进行驱动，其中，所述第一预设电压和第二预设电压所处的驱动线与所述数据驱动电路输入的数据驱动线平行。
需要说明的是，所述预设条件为第一预设电极与第二预设电极进行驱动时的状态，例如在第一预设电压为正极性驱动电压进行驱动，第二预设电压为负极性驱动电压进行驱动，还可为第一预设电压为负极性驱动电压进行驱动，第二预设电压为正极性驱动电压进行驱动，所述第一预设电压与所述第二预设电压的极性相反，将子像素的共电极的设计别于传统与扫描驱动线平行设计方式，采用与数据驱动线平行设计。
在具体实现中，采用所述预设驱动信号为在第一预设电压为正极性驱动电压进行驱动，第二预设电压为负极性驱动电压进行驱动时，对应的数据驱动信号为负极性驱动信号，在第一预设电压为负极性驱动电压进行驱动，第二预设电压为正极性驱动电压进行驱动时，所述数据驱动信号为正极性驱动信号，从而保证相邻的子像素为高低电压穿插，从而达到减小色偏的目的。
进一步地，在所述第一预设电压为负极性驱动电压，且所述第二预设电压为正极性驱动电压时，将所述第一列像素单元与第二列像素单元中的高电压子像素采用正极性驱动，将所述第二列像素单元与第三列像素单元中的低电压子像素采用正极性驱动，其中，所述第一预设电压小于参考电压，所述第二预设电压大于所述参考电压；
在接收数据驱动电路输入的数据驱动信号反转时，所述第一预设电压和所述第二预设电压进行周期性反转；
在反转后的第一预设电压为正极性驱动电压，且反转后的第二预设电压为负极性驱动电压时，将所述第一列像素单元与第二列像素单元中的高电压子像素采用负极性驱动，将所述第二列像素单元与第三列像素单元中的低电压子像素采用负极性驱动，其中，所述反转后的第一预设电压大于所述参考电压，所述反转后的第二预设电压小于所述参考电压。
如图4a所示，需要说明的是，本实施例采用帧反转的方式，第一列和第二列的红绿蓝子像素的高电压驱动信号对应的共电极电压为Vcom1负极性驱动电压，其中共电极电压负极性即共电极电压Vcom1相对于原共电极电压Vcom较小，即Vcom1<Vcom，第二列和第三列的低电压驱动信号对应的共电极电压为Vcom2正极性驱动电压，共电极电压正极性即共电极电压Vcom2相对于原共电极电压Vcom较大，即Vcom2>Vcom，共电极电压Vcom1与Vcom2在像素上交替穿插。随著数据驱动信号的反转，共电极电压也随著子像素驱动信号极性的切换进行切换，第一列和第二列高电压驱动信号对应的共电极电压为Vcom1正极性驱动电压，共电极电压正极性即共电极电压Vcom1相对于原共电极电压Vcom较大，即Vcom1>Vcom，第二列和第三列的低电压驱动信号对应的共电极电压为Vcom2负极性驱动电压，共电极电压负极性即共电极电压Vcom2相对于原共电极电压Vcom较小，即Vcom2<Vcom，从而确保任一时刻高电压子像素VGd_1对应共电极电压Vcom1的等效电压VGd_1=|V1-Vcom1|高于低电压子像素VGd_2对应共电极电压Vcom2的等效电压VGd_2=|V1-Vcom2|，从而保证相邻的子像素为高低电压穿插，从而达到减小色偏的目的。
进一步地，在所述第一预设电压为负极性驱动电压，且所述第二预设电压为正极性驱动电压时，驱动所述第一列像素单元与第二列像素单元中的红色低电压负极性子像素、蓝色低电压负极性子像素以及绿色高电压正极性子像素，并驱动所述第二列像素单元与第三列像素单元中的所述红色高电压负极性子像素、蓝色高电压负极性子像素以及绿色低电压正极性子像素，其中，所述第一预设电压小于参考电压，所述第二预设电压大于所述参考电压；
在接收数据驱动电路输入的数据驱动信号反转时，所述第一预设电压和所述第二预设电压进行周期性反转；
在反转后的第一预设电压为正极性驱动电压，且反转后的第二预设电压为负极性驱动电压时，驱动所述第一列像素单元与第二列像素单元中的红色低电压正极性子像素、蓝色低电压正极性子像素以及绿色高电压负极性子像素，并驱动所述第二列像素单元与第三列像素单元中的所述红色高电压正极性子像素、蓝色高电压正极性子像素以及绿色低电压负极性子像素，其中，所述反转后的第一预设电压大于所述参考电压，所述反转后的第二预设电压小于所述参考电压。
如图6所示，提供另一实施例的显示阵列的结构示意图，第一列和第二列的R、B低电压负极性子像素与G高电压正极性子像素对应的共电极电压为Vcom1负极性驱动电压，共电极电压负极性即共电极电压Vcom1相对于原共电极电压Vcom较小，即Vcom1<Vcom。第二列和第三列的 R、G、B line子像素，此六行子像素的R、B高电压负极性子像素与G低电压正极性子像素对应的共电极电压为Vcom2正极性驱动电压，共电极电压正极性即共电极电压Vcom2相对于原共电极电压Vcom较大，即Vcom2>Vcom，共电极电压Vcom1与Vcom2在画素上交替穿插。随著数据驱动信号的反转，共电极电压也随著子像素驱动信号极性的切换进行切换，第一列和第二列的R、B低电压正极性子像素与G高电压负极性子像素对应的共电极电压为Vcom1正极性驱动电压，共电极电压正极性即共电极电压Vcom1相对于原共电极电压Vcom较大，即Vcom1>Vcom，第二列和第三列的的R、B高电压正极性子像素与G低电压负极性子像素对应的共电极电压为Vcom2负极性驱动电压，共电极电压负极性即共电极电压Vcom2相对于原共电极电压Vcom较小，即Vcom2<Vcom。确保任一时刻高电压子像素VGd_1对应共电极电压Vcom1的等效电压VGd_1=|V1-Vcom1|高于低电压子像素VGd_2对应共电极电压Vcom2的等效电压VGd_2=|V1-Vcom2|。同理，低电压子像素VRd_1对应共电极电压Vcom1的等效电压VRd_1=|V1-Vcom1|低于高电压子像素VRd_2对应共电极电压Vcom2的等效电压VRd_2=|V1-Vcom2|。
例如 frame1第一列和第二列的R、B子像素为低电压负极性且G为高电压正极性驱动则采用Vcom1负极性共电极电压驱动。第二列和第三列的中R、B子像素为高电压负极性且G为低电压正极性驱动则采用Vcom2正极性共电极电压驱动。第二列中的绿色子像素同列的驱动电压为Vgd1，该列的高电压子像素VGd_1=|V1-Vcom1|，低电压子像素VGd_2=|V1-Vcom2|，其中V1为正极性驱动电压，V1>Vcom且Vcom1<Vcom<Vcom2，所以VGd_1>VGd_2。第三列中的绿色子像素同列的驱动电压为Vgd2，该列的高电压像素VGd_2=|V1-Vcom1|，低电压像素VGd_1=|V1-Vcom2|，其中V1为正极性驱动电压，V1>Vcom且Vcom1<Vcom<Vcom2，所以VGd_2>VGd_1。
同理，第二列中的R同列的驱动电压Vrd1，该列的高电压子像素VRd_2=|V1’-Vcom2|，低电压子像素VRd_1=|V1’-Vcom1|，其中V1’负极性驱动电压V1’<Vcom且Vcom1<Vcom<Vcom2，所以VRd_1<VRd_2。第三列的R列的驱动电压Vrd2，该行得高电压像素VRd_1=|V1’-Vcom2|，低电压像素VRd_2=|V1’-Vcom1|，其中V1’为负极性驱动电V1’<Vcom且Vcom1<Vcom<Vcom2，所以VRd_1>VRd_2。
同理，第二列中的B列的驱动电压Vbd1，该列高电压像素VBd_2=|V1’-Vcom2|，低电压像素VBd_1=|V1’-Vcom1|，其中V1’负极性驱动电压V1’<Vcom且Vcom1<Vcom<Vcom2，所以VBd_1<VBd_2。 第三列中的B 列驱动电压Vbd2，该行得高电压像素VBd_1=|V1’-Vcom2|，低电压像素VBd_2=|V1’-Vcom1|，其中V1’为负极性驱动电V1’<Vcom且Vcom1<Vcom<Vcom2，所以VBd_1>VBd_2。
在接收所述数据驱动信号反转时，将所述第一预设电压和所述第二预设电压进行周期性反转。
参考图4a，frame 1时，G列子像素高电压子像素VGd_1、VGd_3、VGd_5对应的共电极电压Vcom1为负极性驱动电压，共电极电压负极性即共电极电压Vcom1相对于原共电极电压Vcom较小，即Vcom1<Vcom。低电压子画素VGd_2、VGd_4、VGd_6对应的共电极电压Vcom2为正极性驱动电压，共电极电压正极性即共电极电压Vcom2相对于原共电极电压Vcom较大，即Vcom2>Vcom。其中高电压子像素VGd_1、VGd_3、VGd_5与低电压子画素VGd_2、VGd_4、VGd_6为正极性驱动电压。
随著驱动信号的反转，共电极电压亦配合极性的驱动反转作图框周期性电压的切换，即共电极电压Vcom1变为正极性驱动电压，共电极电压正极性即共电极电压Vcom1相对于原共电极电压Vcom较大，即Vcom1>Vcom。共电极电压Vcom2变为负极性驱动电压，共电极电压负极性即共电极电压Vcom2相对于原共电极电压Vcom较小，即Vcom2<Vcom，另外，高电压子像素VGd_1、VGd_3、VGd_5与低电压子画素VGd_2、VGd_4、VGd_6为负极性驱动电压。
如图4b所示，当时序为frame 2图框切换，第一列R、G、B子像素高低电压穿插驱动排列方式，高电压子像素为负极性驱动，低电压单位像素为正极性驱动，配合共电极电压正极性电压驱动，共电极电压Vcom1相对于原共电极电压Vcom较大，即Vcom1>Vcom。次一列的R、G、B子像素为高低电压穿插驱动排列方式，高电压子像素为正极性驱动，低电压子像素为负极性驱动，配合共电极电压负极性电压驱动，共电极电压Vcom2相对于原共电极电压Vcom较小，即Vcom2<Vcom）。依此各列依序穿插的子像素及共电极电压驱动。
本实施例通过共电极电压相对于原共电极采用正负极性时序切换驱动方式，配合相邻像素单元中的预设子像素采用高低电压穿插的排列方式进行驱动，从而解决大广角色偏的技术问题，并通过共电极电压的反转代替驱动器件来驱动，从而减少驱动芯片的工作，降低驱动芯片的功耗，并且不需要增加一倍的金属走线和驱动器件来驱动次像素，达到节约成本的目的。
进一步地，将所述分别选取同一列相邻的两个子像素，对选取的子像素中的高电压子像素以及所述选取的子像素中的低电压子像素采用同一正极性驱动电压进行驱动。
在本实施例中，在数据驱动信号为正极性驱动时，将同列相邻子像素共用同一驱动信号，从而使同列相邻的子像素采用同一数据驱动信号进行驱动，从而将数据驱动信号的驱动频率减少一半，降低驱动芯片的功耗。
进一步地，所述在所述第一预设电压和第二预设电压满足预设条件时，将所述像素单元中的预设子像素按照数据驱动电路输入的数据驱动信号进行驱动，包括：
在所述第一预设电压和第二预设电压满足预设条件时，对所述选取的子像素中的高电压子像素和低电压子像素的等效驱动电压采用预设数据驱动信号进行驱动，所述预设数据驱动信号为原始同一列相邻的两个子像素的驱动信号的平均信号。
在具体实现中，如图4b所示，G列的高电压正极性驱动信号Vgd=V1、V2、V3…..，高电压负极性动信号Vgd=V1’、V2’、V3’…，其中(V1、V2、V3…>Vcom，V1’、V2’、V3’….<Vcom)。
在本实施例中，VGd_1与VGd_2共用驱动电压Vd1=V1，正极性驱动电压，则可以优选为原像素信号Gd1与Gd2信号的平均信号，以 8 bit驱动信号来说为0~255信号，即G1=( Gd1+Gd2)/2，G1对应的正极性驱动电压V1，负极性驱动电压为V1’。VGd_3与VGd_4共用驱动电压Vd1=V2，即正极性驱动电压，则可以优选为原像素信号Gd3与Gd4信号的平均信号，以 8 bit驱动信号来说为0~255信号，亦即G2=( Gd3+Gd4)/2，G2对应的正极性驱动电压V2，负极性驱动电压V2’，两个相邻高低电压子像素驱动电压共用以及采用帧反转的驱动方式，大大的减少了驱动信号频繁的切换，直接驱动频率降低为1/2，可以减少驱动IC的工作，降低了驱动IC的功耗及驱动IC的温度提升风险。
进一步地，对所述选取的子像素中的高电压子像素的等效驱动电压以大于所述选取的子像素中的低电压子像素的等效驱动电压进行驱动。
在具体实现中，当frame1图框时序时，高电压子像素等效驱动电压为VGd_1，即为正极性驱动电压Vgd=V1(V1>Vcom)与负极性共电极电Vcom1的压差，亦即VGd_1=|V1-Vcom1|，次一相邻低电压子像素VGd_2即为正极性驱动电压Vgd=V1(V1 >Vcom)与正极性共电极电Vcom 2(Vcom2>Vcom)的压差，亦即VGd_2=|V1-Vcom2|，所以 VGd_1>VGd_2。同理依序高电压VGd_3及低电压子像素VGd_4驱动，高电压子画素等效驱动电压VGd_3即为正极性驱动电压Vgd=V2 (V2>Vcom)与负极性共电极电Vcom1(Vcom1<Vcom)的压差，亦即VGd_3=|V2-Vcom1|，次一相邻低电压子像素VGd_4即为正极性驱动电压Vgd=V2 (V2>Vcom)与正极性共电极电Vcom2(Vcom2>Vcom)的压差，亦即VGd_4=|V2-Vcom2|，所以 VGd_3>VGd_4，从而实现相邻子像素之间高低电压进行切换，并搭配对所述显示阵列中的子像素采用列反转的驱动方式，从而达到减少色偏的目的。
本实施例以扫描完至少三列像素单元为驱动周期，在当前驱动周期内将相邻列的像素单元中偶数行的子像素与奇数行的子像素的共电极采用预设电压进行驱动，而并不需要增加一倍的金属走线和驱动器件来驱动次像素，达到节约成本的目的，并且在所述第一预设电压和第二预设电压满足预设条件时，将所述像素单元中的预设子像素按照数据驱动电路输入的数据驱动信号进行驱动，从而将所述像素单元中的子像素设置为高低电压交叉的方式排列，进而达到解决视角色偏的目的。
此外，本申请实施例还提出一种显示装置。如图7所示，该显示装置包括：
共电极驱动模块110，设置为以扫描完至少相邻三列像素单元为驱动周期，在当前驱动周期内将第一列像素单元的偶数行的子像素与第二列像素单元中奇数行的子像素的共电极采用第一预设电压进行驱动，将所述当前驱动周期内的第二列像素单元的偶数行的子像素与第三列像素单元中的奇数行的子像素的共电极采用第二预设电压进行驱动。
数据驱动模块120，设置为在所述第一预设电压和第二预设电压满足预设条件时，将所述像素单元中的预设子像素按照数据驱动电路输入的数据驱动信号进行驱动，其中，所述第一预设电压和第二预设电压所处的驱动线与所述数据驱动电路输入的数据驱动线平行。
如图8所示，所述显示面板的驱动装置还包括显示阵列100和驱动模块200，所述驱动模块200可以包括扫描单元210和驱动单元220，扫描单元210用于输出扫描信号，一般是逐行对像素单元进行扫描，驱动单元220则输出驱动信号，使像素单元在被扫描到时接收驱动数据进行显示。
驱动模块200可以参考上述实施例，经过该处理，可以扫描完至少三列像素单元为驱动周期，在当前驱动周期内将相邻列的像素单元中偶数行的子像素与奇数行的子像素的共电极采用预设电压进行驱动，而并不需要增加一倍的金属走线和驱动器件来驱动次像素，达到节约成本的目的，并且在所述第一预设电压和第二预设电压满足预设条件时，将所述像素单元中的预设子像素按照数据驱动电路输入的数据驱动信号进行驱动，从而将所述像素单元中的子像素设置为高低电压交叉的方式排列，进而达到解决视角色偏的目的。
此外，本申请实施例还提出一种存储介质，所述存储介质上存储有显示面板的驱动程序，所述显示面板的驱动程序被处理器执行时如上文所述的显示面板的驱动方法。
以上仅为本申请的优选实施例，并非因此限制本申请的专利范围，凡是利用本申请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，均同理包括在本申请的专利保护范围内。

Claims (20)

  1. 一种显示面板的驱动方法，其中，所述显示面板包括显示阵列，所述显示阵列包括呈阵列排布的像素单元，所述像素单元包括第一方向上的第一子像素、第二子像素以及第三子像素，所述像素单元的三个子像素根据排列的顺序分别在第二方向上对齐；所述显示面板的驱动方法包括：
    以扫描完至少相邻三列像素单元为驱动周期，在当前驱动周期内将第一列像素单元的偶数行的子像素与第二列像素单元中奇数行的子像素的共电极采用第一预设电压进行驱动，将所述当前驱动周期内的第二列像素单元的偶数行的子像素与第三列像素单元中的奇数行的子像素的共电极采用第二预设电压进行驱动；以及
    在所述第一预设电压和第二预设电压满足预设条件时，将所述像素单元中的预设子像素按照数据驱动电路输入的数据驱动信号进行驱动，其中，所述第一预设电压和第二预设电压所处的驱动线与所述数据驱动电路输入的数据驱动线平行。
  2. 根据权利要求1所述的显示面板的驱动方法，其中，相邻的像素单元为同极性高低电压交替的像素单元；
    所述在所述第一预设电压和第二预设电压满足预设条件时，将所述像素单元中的预设子像素按照数据驱动电路输入的数据驱动信号进行驱动，包括：
    在所述第一预设电压为负极性驱动电压，且所述第二预设电压为正极性驱动电压时，将所述第一列像素单元与第二列像素单元中的高电压子像素采用正极性驱动，将所述第二列像素单元与第三列像素单元中的低电压子像素采用正极性驱动，其中，所述第一预设电压小于参考电压，所述第二预设电压大于所述参考电压；
    在接收数据驱动电路输入的数据驱动信号反转时，所述第一预设电压和所述第二预设电压进行周期性反转；以及
    在反转后的第一预设电压为正极性驱动电压，且反转后的第二预设电压为负极性驱动电压时，将所述第一列像素单元与第二列像素单元中的高电压子像素采用负极性驱动，将所述第二列像素单元与第三列像素单元中的低电压子像素采用负极性驱动，其中，所述反转后的第一预设电压大于所述参考电压，所述反转后的第二预设电压小于所述参考电压。
  3. 根据权利要求1所述的显示面板的驱动方法，其中，所述像素单元包括红色子像素、蓝色子像素和绿色子像素，所述红色子像素和蓝色子像素为同极性的子像素，所述绿色子像素为相异极性的子像素；
    所述在所述第一预设电压和第二预设电压满足预设条件时，将所述像素单元中的预设子像素按照数据驱动电路输入的数据驱动信号进行驱动，包括：
    在所述第一预设电压为负极性驱动电压，且所述第二预设电压为正极性驱动电压时，驱动所述第一列像素单元与第二列像素单元中的红色低电压负极性子像素、蓝色低电压负极性子像素以及绿色高电压正极性子像素，并驱动所述第二列像素单元与第三列像素单元中的所述红色高电压负极性子像素、蓝色高电压负极性子像素以及绿色低电压正极性子像素，其中，所述第一预设电压小于参考电压，所述第二预设电压大于所述参考电压；
    在接收数据驱动电路输入的数据驱动信号反转时，所述第一预设电压和所述第二预设电压进行周期性反转；以及
    在反转后的第一预设电压为正极性驱动电压，且反转后的第二预设电压为负极性驱动电压时，驱动所述第一列像素单元与第二列像素单元中的红色低电压正极性子像素、蓝色低电压正极性子像素以及绿色高电压负极性子像素，并驱动所述第二列像素单元与第三列像素单元中的所述红色高电压正极性子像素、蓝色高电压正极性子像素以及绿色低电压负极性子像素，其中，所述反转后的第一预设电压大于所述参考电压，所述反转后的第二预设电压小于所述参考电压。
  4. 根据权利要求1所述的显示面板的驱动方法，其中，所述在接收数据驱动电路输入的数据驱动信号反转时，将所述第一预设电压和所述第二预设电压进行周期性反转之前，所述方法还包括：
    分别选取同一列相邻的两个子像素，对选取的子像素中的高电压子像素以及所述选取的子像素中的低电压子像素采用同一正极性驱动电压进行驱动。
  5. 根据权利要求4所述的显示面板的驱动方法，其中，所述在所述第一预设电压和第二预设电压满足预设条件时，将所述像素单元中的预设子像素按照数据驱动电路输入的数据驱动信号进行驱动，包括：
    在所述第一预设电压和第二预设电压满足预设条件时，对所述选取的子像素中的高电压子像素和低电压子像素的等效驱动电压采用预设数据驱动信号进行驱动，所述预设数据驱动信号为原始同一列相邻的两个子像素的驱动信号的平均信号。
  6. 根据权利要求4所述的显示面板的驱动方法，其中，所述在反转后的预设电压为正极性驱动电压之后，所述显示面板的驱动方法还包括：
    对所述选取的子像素中的高电压子像素的等效驱动电压以大于所述选取的子像素中的低电压子像素的等效驱动电压进行驱动。
  7. 根据权利要求1所述的显示面板的驱动方法，其中，所述以扫描完至少相邻三列像素单元为驱动周期之前，所述显示面板的驱动方法还包括：
    将所述像素单元在行方向上设置第一子像素、第二子像素以及第三子像素，其中，所述第一子像素、第二子像素以及第三子像素分别对应为红色子像素、绿色子像素以及蓝色子像素。
  8. 根据权利要求7所述的显示面板的驱动方法，其中，所述以扫描完至少相邻三列像素单元为驱动周期之前，所述显示面板的驱动方法还包括：
    将所述第一子像素、第二子像素以及第三子像素根据排列的顺序分别在列方向上对齐。
  9. 根据权利要求7所述的显示面板的驱动方法，其中，所述以扫描完至少相邻三列像素单元为驱动周期之前，所述显示面板的驱动方法还包括：
    将所述像素单元中的相邻的两个子像素设置为极性相同的子像素或者设置为极性相异的子像素。
  10. 根据权利要求1所述的显示面板的驱动方法，其中，所述在所述第一预设电压和第二预设电压满足预设条件时，将所述像素单元中的预设子像素按照数据驱动电路输入的数据驱动信号进行驱动之后，所述显示面板的驱动方法还包括：
    将所述显示阵列中的子像素采用列反转的驱动方式进行驱动。
  11. 一种显示面板的驱动装置，其中，所述驱动装置包括处理器和非易失性存储器，所述非易失性存储器存储可执行指令，所述处理器执行所述可执行指令，所述可执行指令包括:
    共电极驱动模块，设置为以扫描完至少相邻三列像素单元为驱动周期，在当前驱动周期内将第一列像素单元的偶数行的子像素与第二列像素单元中奇数行的子像素的共电极采用第一预设电压进行驱动，将所述当前驱动周期内的第二列像素单元的偶数行的子像素与第三列像素单元中的奇数行的子像素的共电极采用第二预设电压进行驱动；以及
    数据驱动模块，设置为在所述第一预设电压和第二预设电压满足预设条件时，将所述像素单元中的预设子像素按照数据驱动电路输入的数据驱动信号进行驱动，其中，所述第一预设电压和第二预设电压所处的驱动线与所述数据驱动电路输入的数据驱动线平行。
  12. 根据权利要求11所述的显示面板的驱动装置，其中，在所述第一预设电压为负极性驱动电压，且所述第二预设电压为正极性驱动电压时，将所述第一列像素单元与第二列像素单元中的高电压子像素采用正极性驱动，将所述第二列像素单元与第三列像素单元中的低电压子像素采用正极性驱动，其中，所述第一预设电压小于参考电压，所述第二预设电压大于所述参考电压；
    在接收数据驱动电路输入的数据驱动信号反转时，所述第一预设电压和所述第二预设电压进行周期性反转；以及
    在反转后的第一预设电压为正极性驱动电压，且反转后的第二预设电压为负极性驱动电压时，将所述第一列像素单元与第二列像素单元中的高电压子像素采用负极性驱动，将所述第二列像素单元与第三列像素单元中的低电压子像素采用负极性驱动，其中，所述反转后的第一预设电压大于所述参考电压，所述反转后的第二预设电压小于所述参考电压。
  13. 根据权利要求11所述的显示面板的驱动装置，其中，在所述第一预设电压为负极性驱动电压，且所述第二预设电压为正极性驱动电压时，驱动所述第一列像素单元与第二列像素单元中的红色低电压负极性子像素、蓝色低电压负极性子像素以及绿色高电压正极性子像素，并驱动所述第二列像素单元与第三列像素单元中的所述红色高电压负极性子像素、蓝色高电压负极性子像素以及绿色低电压正极性子像素，其中，所述第一预设电压小于参考电压，所述第二预设电压大于所述参考电压；
    在接收数据驱动电路输入的数据驱动信号反转时，所述第一预设电压和所述第二预设电压进行周期性反转；以及
    在反转后的第一预设电压为正极性驱动电压，且反转后的第二预设电压为负极性驱动电压时，驱动所述第一列像素单元与第二列像素单元中的红色低电压正极性子像素、蓝色低电压正极性子像素以及绿色高电压负极性子像素，并驱动所述第二列像素单元与第三列像素单元中的所述红色高电压正极性子像素、蓝色高电压正极性子像素以及绿色低电压负极性子像素，其中，所述反转后的第一预设电压大于所述参考电压，所述反转后的第二预设电压小于所述参考电压。
  14. 根据权利要求11所述的显示面板的驱动装置，其中，分别选取同一列相邻的两个子像素，对选取的子像素中的高电压子像素以及所述选取的子像素中的低电压子像素采用同一正极性驱动电压进行驱动。
  15. 根据权利要求14所述的显示面板的驱动装置，其中，在所述第一预设电压和第二预设电压满足预设条件时，对所述选取的子像素中的高电压子像素和低电压子像素的等效驱动电压采用预设数据驱动信号进行驱动，所述预设数据驱动信号为原始同一列相邻的两个子像素的驱动信号的平均信号。
  16. 根据权利要求14所述的显示面板的驱动装置，其中，对所述选取的子像素中的高电压子像素的等效驱动电压以大于所述选取的子像素中的低电压子像素的等效驱动电压进行驱动。
  17. 根据权利要求11所述的显示面板的驱动装置，其中，将所述像素单元在行方向上设置第一子像素、第二子像素以及第三子像素，其中，所述第一子像素、第二子像素以及第三子像素分别对应为红色子像素、绿色子像素以及蓝色子像素。
  18. 根据权利要求17所述的显示面板的驱动装置，其中，将所述第一子像素、第二子像素以及第三子像素根据排列的顺序分别在列方向上对齐。
  19. 根据权利要求17所述的显示面板的驱动装置，其中，将所述像素单元中的相邻的两个子像素设置为极性相同的子像素或者设置为极性相异的子像素。
  20. 一种显示设备，其中，所述显示设备包括显示面板的驱动装置，该显示面板的驱动装置包括处理器和非易失性存储器，所述非易失性存储器存储可执行指令，所述处理器执行上述可执行指令，所述可执行指令包括：
    共电极驱动模块，设置为以扫描完至少相邻三列像素单元为驱动周期，在当前驱动周期内将第一列像素单元的偶数行的子像素与第二列像素单元中奇数行的子像素的共电极采用第一预设电压进行驱动，将所述当前驱动周期内的第二列像素单元的偶数行的子像素与第三列像素单元中的奇数行的子像素的共电极采用第二预设电压进行驱动；以及
    数据驱动模块，设置为在所述第一预设电压和第二预设电压满足预设条件时，将所述像素单元中的预设子像素按照数据驱动电路输入的数据驱动信号进行驱动，其中，所述第一预设电压和第二预设电压所处的驱动线与所述数据驱动电路输入的数据驱动线平行。
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