WO2017000450A1 - 显示驱动方法、显示面板及其制作方法、显示装置 - Google Patents

显示驱动方法、显示面板及其制作方法、显示装置 Download PDF

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Publication number
WO2017000450A1
WO2017000450A1 PCT/CN2015/093389 CN2015093389W WO2017000450A1 WO 2017000450 A1 WO2017000450 A1 WO 2017000450A1 CN 2015093389 W CN2015093389 W CN 2015093389W WO 2017000450 A1 WO2017000450 A1 WO 2017000450A1
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data
data driving
sub
display
pixel
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PCT/CN2015/093389
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English (en)
French (fr)
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赵辉
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京东方科技集团股份有限公司
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Priority to US15/106,887 priority Critical patent/US10431137B2/en
Publication of WO2017000450A1 publication Critical patent/WO2017000450A1/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
    • G09G3/2003—Display of colours
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • 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
    • G09G3/22—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 using controlled light sources
    • G09G3/30—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 using controlled light sources using electroluminescent panels
    • G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3275—Details of drivers for data electrodes
    • G09G3/3283—Details of drivers for data electrodes in which the data driver supplies a variable data current for setting the current through, or the voltage across, the light-emitting elements
    • 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
    • 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
    • G09G3/3685—Details of drivers for data electrodes
    • G09G3/3688—Details of drivers for data electrodes suitable for active matrices only
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0439—Pixel structures
    • G09G2300/0443—Pixel structures with several sub-pixels for the same colour in a pixel, not specifically used to display gradations
    • 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
    • G09G2320/0223—Compensation for problems related to R-C delay and attenuation in electrodes of matrix panels, e.g. in gate electrodes or on-substrate video signal electrodes
    • 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
    • G09G2320/0233—Improving the luminance or brightness uniformity across the screen
    • 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
    • G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
    • G09G2320/0276—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction

Definitions

  • the present disclosure relates to display relating to a display driving method, a display panel, a method of fabricating the same, and a display device.
  • a typical display panel includes only one data driving circuit located at a central position on the upper portion of the display panel.
  • the length of the data line of the data driving circuit to the pixel column of the edge region is larger than the length of the data driving circuit to the data line of the pixel column located in the central region.
  • the line resistance of the data line itself is large, this causes a difference in the brightness of the pixel column of the edge region and the pixel column of the center.
  • the distance between the data driving circuit and the pixel columns located on the left and right sides is further and farther, and the length of the data line of the pixel column connected to the edge region of the data driving circuit is longer and longer, correspondingly
  • the difference in brightness between the different regions caused by the ground is also increasing.
  • a display driving method, a display panel, a method of fabricating the same, and a display device for attenuating display brightness differences in different regions are provided.
  • a display driving method comprising the steps of: driving a display area of a display panel using at least two data driving circuits; driving the display panel by each of the data driving circuits A part of the display area; the display area driven by each data driving circuit is spliced into the entire display area.
  • the display area driven by the adjacent two data driving circuits has an overlapping area; and the driving the display panel by using at least two data driving circuits includes:
  • the data voltage written on each sub-pixel in the overlapping region is the sub-pixel when the first data driving circuit of the adjacent two data driving circuits separately drives the sub-pixel
  • the sub-pixel is written when the written data voltage and the second data driving circuit separately drive the sub-pixel The value between the data voltages.
  • the data voltage written on each of the sub-pixels in the overlap region is separately driven by the first data driving circuit of the adjacent two data driving circuits.
  • the value between the data voltage at which the sub-pixel is written in the sub-pixel and the data voltage at which the sub-pixel is written when the second data driving circuit separately drives the sub-pixel includes:
  • the first data driving circuit and the second data driving circuit are both caused to generate data voltages for driving the sub-pixels and are written to the sub-pixels.
  • a display panel includes: at least two data driving circuits, each of which drives a portion of a display area; and a display area driven by each data driving circuit is spliced into an entire display region.
  • each sub-pixel of the overlapping area is connected with two data lines, one data line is connected to the first data driving circuit of the two adjacent data driving circuits, and the other data line is connected to the second data driving. Circuit.
  • the overlapping area includes at least two pixel columns, each pixel column includes n sub-pixel columns, and the color of each sub-pixel column of the n sub-pixel columns and the color of other sub-pixel columns are Different, where n is the kind of color of the sub-pixels included in the display panel.
  • the display panel is a liquid crystal display panel or an organic electroluminescence display panel.
  • a method of fabricating a display panel comprising the steps of:
  • At least two data driving circuits are disposed on the array substrate, and each data driving circuit is used to drive a part of the display area; the display area driven by each data driving circuit is spliced into the entire display area.
  • each of the data driving circuits is configured to drive a portion of the display area to include an overlapping area of the display area driven by the two adjacent data driving circuits.
  • the method for manufacturing the display panel further includes: fabricating an array substrate, wherein the array substrate is connected to each of the first and second sub-pixels by a data line; between the first region and the second region Each sub-pixel of the transition region is connected to two data lines.
  • the at least two data driving circuits are disposed on the array substrate, and the overlapping regions of the display regions driven by the two adjacent data driving circuits include:
  • Locating at least two data driving circuits on the array substrate wherein one data driving circuit is connected to one of the data lines connected to the respective sub-pixels in the first region and one of the two data lines connected to each pixel in the transition region, and the other one The data driving circuit connects the data line connected to each sub-pixel in the second region and the other of the two data lines connected to each sub-pixel in the transition region.
  • a display device comprising the display panel of any of the above.
  • the above display device may further include a power source that connects the respective data driving circuits and generates the same GAMMA voltage output to the respective data driving circuits.
  • a plurality of data driving circuits are used to display and drive the display area of the display panel, so that the display area driven by each data driving circuit is relatively relatively Small, the difference between the distances of the data driving circuits to the columns of sub-pixels in the displayed display area is relatively small, thereby weakening the resulting brightness difference.
  • FIG. 1 is a schematic flowchart of a display driving method according to an embodiment of the present disclosure
  • FIG. 2 is a schematic structural diagram of a display panel provided in an embodiment of the present disclosure
  • FIG. 3 is a schematic diagram of a pixel connection data driving circuit located in an overlapping region.
  • FIG. 1 is a schematic flow chart of a display driving method according to an embodiment of the present disclosure. As shown in FIG. 1, the method includes the steps of: driving a display area of a display panel using at least two data driving circuits (step 101); driving a portion of the display area of the display panel by each data driving circuit (step 102) The display area driven by each data driving circuit is spliced into the entire display area (step 103).
  • a plurality of data driving circuits are used for the display panel
  • the display area is driven by the display so that the display area driven by each of the data driving circuits is relatively small, and the difference between the distances of the data driving circuits and the sub-pixels of the columns in the driven display area is relatively small, thereby weakening The resulting difference in brightness.
  • the display area driven by the adjacent two data driving circuits may have an overlapping area.
  • driving the display panel by using at least two data driving circuits may include:
  • the data voltage written on each sub-pixel in the overlapping region is the sub-pixel when the first data driving circuit of the adjacent two data driving circuits separately drives the sub-pixel
  • each data driving circuit may not be exactly the same due to the manufacturing process. This may result in uneven brightness at the position where the display areas of the two different data driving circuits are connected, and a luminance difference line is generated. And the display area driven by the two data driving circuits has an overlapping area, and the data voltage in each sub-pixel written in the overlapping area is when the two data driving circuits separately drive the sub-pixel A value in the middle of the two data voltages helps to weaken this brightness difference line.
  • each of the first data driving circuit and the second data driving circuit may generate a data voltage for driving the sub-pixels and write to the sub-pixels in each frame.
  • the data voltage actually applied to the sub-pixel is substantially the average of the two data voltages generated by the first data driving circuit and the second data driving circuit for the sub-pixel.
  • Such an average value can minimize the brightness difference line described above.
  • the overlapping region herein may include a plurality of (for example, two) pixel columns, each pixel column includes n sub-pixel columns, where n refers to the type of color of the sub-pixels included in the display panel. .
  • the above display driving method can be realized by means of an improvement in the structure of the display panel.
  • One of the display panels for implementing the above method will be described below with reference to FIG.
  • FIG. 2 shows a schematic diagram of a display panel provided by an embodiment of the present disclosure.
  • the display panel includes a display substrate 1, a first data driving circuit 21, and a second data driving circuit 22.
  • the first data driving circuit 21 is for driving the display area A1 on the left side of the display panel
  • the second data driving circuit 22 is for driving the display area A2 on the right side of the display panel
  • the first data driving circuit 21 is driven.
  • Display area A2 driven by display area A1 and second data driving circuit 22 There is an overlap area A12.
  • two data driving circuits are used to respectively drive display areas on the left and right sides of the display panel.
  • the area of the display area driven by each data driving circuit is greatly reduced compared to the area of the entire display area, and the difference between the distances of the data driving circuits and the sub-pixels of each column in the driven display area is relatively small. Thereby, the resulting luminance difference line is weakened.
  • the luminance difference in the overlapping region can be effectively attenuated, thereby weakening the luminance difference line.
  • Figure 3 shows a schematic diagram of a pixel connected data drive circuit located in an overlap region.
  • each pixel P of the overlap region may be connected to two data lines, one data line is connected to one data driving circuit 21 in the data driving circuit, and the other data line is connected. Another data driving circuit 22 is connected.
  • the line resistances of the two data lines are also substantially the same (both shown as R in FIG. 3).
  • the first data driving circuit 21 is between the second data driving circuit 22.
  • the resistance is the sum of the line resistances of the two data lines, that is, 2R, and the overall voltage drop is V1-V2.
  • the voltage drop from the first data driving circuit 21 to the pixel P is (V1 - V2)/2
  • the data voltage capable of causing each pixel written into the overlap region A12 is the data voltage generated by the first data driving circuit of the two data driving circuits for the pixel and the second data driving circuit for the pixel
  • the specific connection manner does not affect the implementation of the present disclosure, and the corresponding technical solutions should also fall within the protection scope of the present disclosure.
  • each column of sub-pixels is connected to two data lines, and one of the two data lines is connected to the first data driving circuit 21 on the left side, and the other is connected to the right side.
  • the second data driving circuit 22 the data line of the first data driving circuit 21 connected to the left side of the column of sub-pixels is connected to the second data driving of the right side of each sub-pixel column located on the left side of the column sub-pixel.
  • the data lines of the circuit 22 are crossed. In order to avoid the two data lines that are intersected, the two data lines can be formed in different layers, and the two data lines are separated by an insulating material.
  • the overlapping region may include at least two columns of pixels, and each column of pixels includes three sub-pixel columns R, G, and B of different colors.
  • the data driving circuit 21 can be used to drive the pixels of the 1-1921 column.
  • the drive circuit 22 can be used to drive the 1920-3480 column of pixels.
  • the 1920th column pixel and the 1921st column pixel are two pixel columns included in the overlap region.
  • the overlapping area including one column of pixels or more than two columns of pixels can also solve the basic problem raised by the present disclosure, and corresponding technical solutions should also fall within the protection scope of the present disclosure.
  • the above-mentioned one column of pixels may also include a plurality of sub-pixel columns of other colors, such as four pixel columns of RGBW or four pixel columns of CMYK, etc., which are not enumerated here.
  • the data driving circuit may include a plurality of them. At this time, the display areas driven by any two adjacent data driving circuits may overlap.
  • the display panel herein may be a liquid crystal display panel or an organic electroluminescent display panel.
  • an embodiment of the present disclosure further provides a method for fabricating a display panel, the method comprising the following steps:
  • At least two data driving circuits are disposed on the array substrate, and each data driving circuit is used to drive a part of the display area; the display area driven by each data driving circuit is spliced into the entire display area.
  • a plurality of data driving circuits display and drive the display area of the display panel, so that the display area driven by each data driving circuit is relatively small. Then, the difference in distance between the data driving circuit and each column of sub-pixels in the driven display region is relatively small, thereby attenuating the resulting luminance difference.
  • each data driving circuit is configured to drive a part of the display area, including: overlapping regions of display areas driven by two adjacent data driving circuits .
  • the sub-pixels of the overlap region are simultaneously driven by the two data driving circuits, which can effectively attenuate the luminance difference in the overlapping region, thereby weakening the luminance difference line.
  • the method for fabricating the display panel may further include the steps of: fabricating an array substrate, wherein the array substrate is connected to each of the first and second sub-pixels by a data line; Each of the sub-pixels of the transition region between the second regions is connected to two data lines;
  • the at least two data driving circuits are disposed on the array substrate, and the overlapping regions of the display regions driven by the two adjacent data driving circuits include:
  • one data driving circuit is connected to one of the data lines connected to the respective sub-pixels in the first region and one of the two data lines connected to each sub-pixel in the transition region, and A data driving circuit connects the data lines connected to the respective sub-pixels in the second region and the other of the two data lines connected to the respective sub-pixels in the transition region.
  • the fabricated array substrate can be made in a region other than the A12 region in the A1 region and in the region other than A12 in the A2 region.
  • Each sub-pixel is connected to a data line. That is, only one data line is set for one sub-pixel column, that is, one data line is arranged for one column of sub-pixel columns in the area outside the A12 area; and each sub-pixel of the A12 area is connected with two data lines, that is, A column of sub-pixels in the A12 area is provided with two data lines.
  • the data driving circuits 21 and 22 are disposed on the array substrate 1, and the data driving circuit 21 is connected to each sub-pixel column in the A1 region, so that the data driving circuit 22 is connected to each sub-pixel column in the A2 region.
  • each of the sub-pixel columns in the A12 region is connected to two data lines.
  • the present disclosure also provides a display device including the display panel provided in the above embodiment.
  • the display device here can be: electronic paper, mobile phone, tablet computer, television, display, notebook computer, digital photo frame, navigator and the like with any display product or component.
  • the display panel herein may further include a power source connected to each data driving circuit and generating the same GAMMA voltage output to each data driving circuit.
  • the advantage of this is that it can avoid the difference in GAMMA voltage generated by different power supplies, further weakening the luminance difference line.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
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Abstract

一种显示驱动方法、显示面板及其制作方法、显示装置，该显示驱动方法包括下列步骤：使用至少两个数据驱动电路对显示面板的显示区域进行驱动（101）；由每一个数据驱动电路驱动该显示面板的一部分显示区域（102），将各个数据驱动电路所驱动的显示区域拼接为整个显示区域（103）。在该显示驱动方法中，使用多个数据驱动电路对显示面板的显示区域进行显示驱动，这样每一个数据驱动电路所驱动的显示区域相对较小，则该数据驱动电路到所驱动的显示区域内的各列亚像素的距离的差值相对较小，从而削弱了由此引起的亮度差异。

Description

显示驱动方法、显示面板及其制作方法、显示装置 技术领域
本公开涉及显示涉及一种显示驱动方法、显示面板及其制作方法、显示装置。
背景技术
一般的显示面板只包含一个数据驱动电路，该数据驱动电路位于显示面板的上部的中央位置。这样，数据驱动电路到边缘区域的像素列的数据线的长度大于数据驱动电路到位于中央区域的像素列的数据线的长度。然而，由于数据线本身的线阻较大，这会导致边缘区域的像素列与中央的像素列的亮度存在一定的差异。
随着显示面板的尺寸越来越大，数据驱动电路到位于左右两侧的像素列的距离越来越远，数据驱动电路连接到边缘区域的像素列的数据线的长度越来越长，相应地，所导致的不同区域的亮度差异也越来越大。
发明内容
在本公开的一些实施例中提供了一种显示驱动方法、显示面板及其制作方法、显示装置，用于削弱不同区域的显示亮度差异。
按照本公开的第一方面，提供了一种显示驱动方法，该方法包括下列步骤：使用至少两个数据驱动电路对显示面板的显示区域进行驱动；由每一个数据驱动电路驱动所述显示面板的一部分显示区域；将各个数据驱动电路所驱动的显示区域拼接为整个显示区域。
进一步地，相邻的两个数据驱动电路所驱动的显示区域存在交叠区域；所述使用至少两个数据驱动电路对所述显示面板进行驱动包括：
在每一帧内，使写入到该交叠区域内每一个亚像素上的数据电压为所述相邻的两个数据驱动电路中的第一数据驱动电路单独驱动该亚像素时该亚像素被写入的数据电压与第二数据驱动电路单独驱动该亚像素时该亚像素被写入 的数据电压之间的数值。
进一步地，所述在每一帧内，使写入到该交叠区域的内每一个亚像素上的数据电压为所述相邻的两个数据驱动电路中的第一数据驱动电路单独驱动该亚像素时该亚像素被写入的数据电压与第二数据驱动电路单独驱动该亚像素时该亚像素被写入的数据电压之间的数值，包括：
在每一帧内，使第一数据驱动电路和第二数据驱动电路均产生驱动该亚像素的数据电压并均写入到该亚像素上。
按照本公开的第二方面，提供了一种显示面板，包括：至少两个数据驱动电路，每一个数据驱动电路用于驱动一部分显示区域；且各个数据驱动电路所驱动的显示区域拼接为整个显示区域。
进一步地，两个相邻数据驱动电路所驱动的显示区域可以存在交叠区域。
进一步地，所述交叠区域的每一个亚像素均连接两条数据线，一条数据线连接所述两个相邻数据驱动电路中的第一数据驱动电路，另一条数据线连接第二数据驱动电路。
进一步地，所述交叠区域至少包含两个像素列，每一个像素列包含n个亚像素列，所述n个亚像素列中的每一个亚像素列的颜色与其他亚像素列的颜色均不相同，其中n为所述显示面板所包含的亚像素的颜色的种类。
进一步地，所述显示面板为液晶显示面板或有机电致发光显示面板。
按照本公开第三方面，提供了一种显示面板的制作方法，该方法包括下列步骤：
在阵列基板上设置至少两个数据驱动电路，并使每一个数据驱动电路用于驱动一部分显示区域；将各个数据驱动电路所驱动的显示区域拼接为整个显示区域。
进一步地，所述在阵列基板上设置至少两个数据驱动电路，使每一个数据驱动电路用于驱动一部分显示区域包括：使两个相邻数据驱动电路所驱动的显示区域存在交叠区域。
进一步地，该显示面板的制作方法还包括：制作阵列基板，使所述阵列基板在第一区域和第二区域的每一个亚像素均连接一条数据线；在第一区域到第二区域之间的过渡区域的每一个亚像素均连接两条数据线。
所述在阵列基板上设置至少两个数据驱动电路，使两个相邻数据驱动电路所驱动的显示区域存在交叠区域包括：
将至少两个数据驱动电路设置在阵列基板上，其中一个数据驱动电路连接第一区域内各个亚像素所连接的数据线以及过渡区域内各个像素所连接的两条数据线中的一条，另一个数据驱动电路连接第二区域内各个亚像素所连接的数据线以及过渡区域内各个亚像素所连接的两条数据线中的另一条。
按照本公开的第四方面，提供了一种显示装置，包括上述任一种的显示面板。
进一步地，上述的显示装置还可包括一个电源，所述电源连接各个数据驱动电路，并产生同一GAMMA电压输出到各个数据驱动电路。
本公开实施例提供的显示驱动方法、显示面板及其制作方法、显示装置中，使用多个数据驱动电路对显示面板的显示区域进行显示驱动，这样每一个数据驱动电路所驱动的显示区域相对较小，则该数据驱动电路到所驱动的显示区域内的各列亚像素的距离的差值相对较小，从而削弱了由此引起的亮度差异。
附图说明
图1为本公开实施例中提供的一种显示驱动方法的流程示意图；
图2为本公开实施例中提供的一种显示面板的结构示意图；
图3为位于交叠区域的像素连接数据驱动电路的示意图。
具体实施方式
为使本公开实施例的目的、技术方案和优点更加清楚，下面将结合附图，对本公开实施例中的技术方案进行清楚、完整的描述。显然，这里所描述的实施例仅仅是本公开一部分实施例，而不是全部的实施例。基于本公开的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他的实施例，都落入本公开权利要求书所限定的保护范围内。
图1示出了本公开实施例提供的一种显示驱动方法的流程示意图。如图1所示，该方法包括下列步骤：使用至少两个数据驱动电路对显示面板的显示区域进行驱动(步骤101)；由每一个数据驱动电路驱动所述显示面板的一部分显示区域(步骤102)；将各个数据驱动电路所驱动的显示区域拼接为整个显示区域(步骤103)。
本公开实施例提供的显示驱动方法中，使用多个数据驱动电路对显示面板 的显示区域进行显示驱动，这样每一个数据驱动电路所驱动的显示区域相对较小，则该数据驱动电路到所驱动的显示区域内的各列亚像素的距离的差值相对较小，从而削弱了由此引起的亮度差异。
可替换地，在上述的显示驱动方法中，相邻的两个数据驱动电路所驱动的显示区域可以存在交叠区域。此时，使用至少两个数据驱动电路对所述显示面板进行驱动可以包括：
在每一帧内，使写入到该交叠区域内每一个亚像素上的数据电压为所述相邻的两个数据驱动电路中的第一数据驱动电路单独驱动该亚像素时该亚像素被写入的数据电压与第二数据驱动电路单独驱动该亚像素时该亚像素被写入的数据电压之间的数值。
这样做的好处是，能够使该显示面板的亮度更加均衡。具体来说，在实际应用中，由于制作工艺的原因，各个数据驱动电路的性能不可能完全相同。这样就可能导致在两个不同数据驱动电路所驱动的显示区域的相接的位置，出现亮度不均的情况，产生亮度差异线。而使两个数据驱动电路所驱动的显示区域存在交叠区域，并使写入到该交叠区域内的每一个亚像素中的数据电压为两个数据驱动电路分别单独驱动该亚像素时的两个数据电压中间的某个值，则有助于削弱这种亮度差异线。
举例来说，可以在每一帧内，使第一数据驱动电路和第二数据驱动电路均产生驱动该亚像素的数据电压并均写入到该亚像素上。这样实际施加到该亚像素的数据电压大致为第一数据驱动电路和第二数据驱动电路针对该亚像素所产生的两个数据电压的平均值。这样的平均值能够最大限度的削弱上述的亮度差异线。在具体实施时，这里的交叠区域可以包含若干个(比如两个)像素列，每一个像素列包含n个亚像素列，这里的n是指该显示面板所包含的亚像素的颜色的种类。
在具体实施时，上述显示驱动方法可以借助于显示面板的结构的改进来实现。下面结合图2对其中的一种用于实现上述的方法显示面板进行说明。
图2示出了本公开的一个实施例提供的一种显示面板的示意图。如图2所示，该显示面板包括：显示基板1、第一数据驱动电路21和第二数据驱动电路22。其中，第一数据驱动电路21用于驱动显示面板的左侧的显示区域A1，第二数据驱动电路22用于驱动显示面板的右侧的显示区域A2，且第一数据驱动电路21所驱动的显示区域A1和第二数据驱动电路22所驱动的显示区域A2 存在交叠区域A12。
本公开的实施例中，使用两个数据驱动电路分别驱动显示面板左侧和右侧的显示区域。这样，每一个数据驱动电路所驱动的显示区域的面积相比与整个显示区域的面积大幅缩小，该数据驱动电路到所驱动的显示区域内的各列亚像素的距离的差值相对较小，从而削弱了由此引起的亮度差异线。
同时，在本公开实施例中，由于交叠区域的像素同时受两个数据驱动电路的驱动，能够有效的削弱在该交叠区域的亮度差异，从而削弱亮度差异线。
作为举例说明，图3示出了位于交叠区域的像素连接数据驱动电路的示意图。
示例性地，如图2或3所示，可以使所述交叠区域的每一个像素P均连接两条数据线，一条数据线连接数据驱动电路中的一个数据驱动电路21，另一条数据线连接另一个数据驱动电路22。
由于在该交叠区域中，两条数据线的长度基本相同，则两条数据线的线阻也基本相同(图3中均表示为R)。如图3所示，假设第一数据驱动电路21产生的数据电压为V1，第二数据驱动电路22产生的数据电压为V2，则第一数据驱动电路21到第二数据驱动电路22之间的电阻为两条数据线的线阻之和，即2R，整体的压降为V1-V2。这样，第一数据驱动电路21到该像素P的压降为(V1-V2)/2，则写入到像素P的电压为V1-(V1-V2)/2＝(V1+V2)/2。
当然，在能够使得写入到交叠区域A12内每一个像素的数据电压为两个数据驱动电路中的第一数据驱动电路针对该像素产生的数据电压与第二数据驱动电路针对该像素产生的数据电压的平均值的前提下，具体采用何种连接方式并不影响本公开的实施，相应的技术方案也应该落入本公开的保护范围。
参见图2，由于在该交叠区域内，每一列亚像素连接到两条数据线，且该两条数据线中的一条连接到左侧的第一数据驱动电路21，另一条连接到右侧的第二数据驱动电路22，则一列亚像素连接至左侧的第一数据驱动电路21的数据线会与位于该列亚像素左侧的每一个亚像素列连接至右侧的第二数据驱动电路22的数据线存在交叉，为了避免相交叉的两条数据线相连，可以使这样的两条数据线形成在不同层，两条数据线之间使用绝缘材料隔开。
在具体实施时，如图2所示，所述交叠区域可以至少包含两列像素，每一列像素包含三个不同颜色的子像素列R、G、B。举例来说，如果上述的显示基板包括3480列像素，则数据驱动电路21可以用于驱动第1-1921列像素，数 据驱动电路22可以用于驱动第1920-3480列像素。此时，第1920列像素和第1921列像素即为交叠区域所包含的两个像素列。
当然，在实际应用中，交叠区域包含一列像素或者大于两列的像素也可以解决本公开所提出的基本问题，相应的技术方案也应该落入本公开的保护范围。另外，上述的一列像素也可以包含多个其他颜色的子像素列，比如RGBW四个像素列或者CMYK四个像素列等，在此不再一一列举。
需要指出的是，虽然上述的实施例中，是以包含的数据驱动电路为2个进行的说明，但是在实际应用中，这里的数据驱动电路也可以包含多个。此时，任意两个相邻的数据驱动电路所驱动的显示区域可以存在交叠。
在具体实施时，这里的显示面板可以为液晶显示面板或有机电激发光显示面板。
再一方面，本公开实施例还提供了一种显示面板的制作方法，该方法包括下列步骤：
在阵列基板上设置至少两个数据驱动电路，并使每一个数据驱动电路用于驱动一部分显示区域；将各个数据驱动电路所驱动的显示区域拼接为整个显示区域。
在采用本公开实施例提供的显示面板的制作方法所制作的显示面板中，多个数据驱动电路对显示面板的显示区域进行显示驱动，这样每一个数据驱动电路所驱动的显示区域相对较小，则该数据驱动电路到所驱动的显示区域内的各列亚像素的距离的差值相对较小，从而削弱了由此引起的亮度差异。
进一步地，所述的在阵列基板上设置至少两个数据驱动电路，并使每一个数据驱动电路用于驱动一部分显示区域包括：使两个相邻数据驱动电路所驱动的显示区域存在交叠区域。
这样，交叠区域的亚像素同时受两个数据驱动电路的驱动，能够有效的削弱在该交叠区域的亮度差异，从而削弱亮度差异线。
在具体实施时，上述的显示面板的制作方法还可以包括下列步骤：制作阵列基板，使所述阵列基板在第一区域和第二区域的每一个亚像素均连接一条数据线；在第一区域到第二区域之间的过渡区域的每一个亚像素均连接两条数据线；
所述在阵列基板上设置至少两个数据驱动电路，使两个相邻数据驱动电路所驱动的显示区域存在交叠区域包括：
将至少两个数据驱动电路设置在阵列基板上，其中一个数据驱动电路连接第一区域内各个亚像素所连接的数据线以及过渡区域内各个亚像素所连接的两条数据线中的一条，另一个数据驱动电路连接第二区域内各个亚像素所连接的数据线以及过渡区域内各个亚像素所连接的两条数据线中的另一条。
当这里的阵列基板制作方法用于制作图2中所示的阵列基板1时，可以使所制作的阵列基板在A1区域中除A12区域之外的区域以及A2区域内除A12以外的区域内的各个亚像素均连接一条数据线。亦即，针对一个亚像素列仅设置一条数据线，即针对A12区域之外的区域内的一列亚像素列设置一条数据线；而使A12区域的各个亚像素均连接两条数据线，即针对A12区域内的一列亚像素列设置两条数据线。
之后将数据驱动电路21和22设置在阵列基板1上，并使数据驱动电路21连接A1区域中内的各个亚像素列，使数据驱动电路22连接A2区域中内的各个亚像素列。这样在A12区域内的各个亚像素列均连接两条数据线。
再一方面，本公开还提供了一种显示装置，该显示装置包括上述实施例中提供的显示面板。
这里的显示装置可以为：电子纸、手机、平板电脑、电视机、显示器、笔记本电脑、数码相框、导航仪等任何具有显示功能的产品或部件。
在具体实施时，这里的显示面板还可以包括一个电源，该电源连接各个数据驱动电路，并产生同一GAMMA电压输出到各个数据驱动电路。
这样做的好处是，能够避免不同电源产生GAMMA电压的差异，进一步削弱亮度差异线。
以上所述，仅为本公开的具体实施方式，但是，本公开的保护范围不局限于此。任何熟悉本技术领域的技术人员在本公开揭露的技术范围内，可轻易想到的变化或替代，都应涵盖在本公开的保护范围之内。因此，本公开的保护范围应以所附权利要求书的保护范围为准。
本申请要求于2015年6月30日递交的中国专利申请第201510375193.3号的优先权，在此全文引用该中国专利申请所公开的内容作为本申请的一部分。

Claims (15)

  1. 一种显示驱动方法，包括下列步骤：
    使用至少两个数据驱动电路对显示面板的显示区域进行驱动；
    由每一个数据驱动电路驱动所述显示面板的一部分显示区域；
    将各个数据驱动电路所驱动的显示区域拼接为整个显示区域。
  2. 如权利要求1所述的驱动方法，其中，相邻的两个数据驱动电路所驱动的显示区域存在交叠区域。
  3. 如权利要求2所述的驱动方法，包括：
    在每一帧内，使写入到该交叠区域内每一个亚像素上的数据电压为所述相邻的两个数据驱动电路中的第一数据驱动电路单独驱动该亚像素时该亚像素被写入的数据电压与第二数据驱动电路单独驱动该亚像素时该亚像素被写入的数据电压之间的数值。
  4. 如权利要求3所述的驱动方法，还包括：
    在每一帧内，使第一数据驱动电路和第二数据驱动电路均产生驱动该亚像素的数据电压，并均写入到该亚像素上。
  5. 一种显示面板，包括：至少两个数据驱动电路，每一个数据驱动电路用于驱动一部分显示区域；且各个数据驱动电路所驱动的显示区域拼接为整个显示区域。
  6. 如权利要求5所述的显示面板，其中，两个相邻数据驱动电路所驱动的显示区域存在交叠区域。
  7. 如权利要求6所述的显示面板，其中，所述交叠区域的每一个亚像素均连接两条数据线，一条数据线连接所述两个相邻数据驱动电路中的第一数据驱动电路，另一条数据线连接第二数据驱动电路。
  8. 如权利要求7所述的显示面板，其中，所述交叠区域至少包含两个像素列，每一个像素列包含n个亚像素列，所述n个亚像素列中的每一个亚像素列的颜色与其他亚像素列的颜色均不相同，其中n为所述显示面板所包含的亚像素的颜色的种类。
  9. 如权利要求5所述的显示面板，其中，所述显示面板为液晶显示面板或有机电激发光显示面板。
  10. 一种显示面板的制作方法，其中，包括：
    在阵列基板上设置至少两个数据驱动电路，并使每一个数据驱动电路用于驱动一部分显示区域；将各个数据驱动电路所驱动的显示区域拼接为整个显示区域。
  11. 如权利要求10所述的方法，包括：使两个相邻数据驱动电路所驱动的显示区域存在交叠区域。
  12. 如权利要求10所述的方法，还包括：制作阵列基板，使所述阵列基板在第一区域和第二区域的每一个亚像素均连接一条数据线；在第一区域到第二区域之间的过渡区域的每一个亚像素均连接两条数据线。
  13. 如权利要求12所述的方法，还包括：
    将至少两个数据驱动电路设置在阵列基板上，其中一个数据驱动电路连接第一区域内各个亚像素所连接的数据线以及过渡区域内各个像素所连接的两条数据线中的一条，另一个数据驱动电路连接第二区域内各个亚像素所连接的数据线以及过渡区域内各个亚像素所连接的两条数据线中的另一条。
  14. 一种显示装置，包括如权利要求5-9任一项所述的显示面板。
  15. 如权利要求14所述的显示装置，其中，还包括一个电源，所述电源连接各个数据驱动电路，并产生同一GAMMA电压输出到各个数据驱动电路。
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