WO2016110057A1 - 阵列基板、显示装置及其驱动方法 - Google Patents

阵列基板、显示装置及其驱动方法 Download PDF

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Publication number
WO2016110057A1
WO2016110057A1 PCT/CN2015/081726 CN2015081726W WO2016110057A1 WO 2016110057 A1 WO2016110057 A1 WO 2016110057A1 CN 2015081726 W CN2015081726 W CN 2015081726W WO 2016110057 A1 WO2016110057 A1 WO 2016110057A1
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Prior art keywords
sub
data signal
pixel
signal line
subpixel
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PCT/CN2015/081726
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English (en)
French (fr)
Inventor
李盼
李文波
程鸿飞
先建波
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京东方科技集团股份有限公司
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Priority to US15/323,844 priority Critical patent/US9784997B2/en
Priority to EP15876562.8A priority patent/EP3246751B1/en
Publication of WO2016110057A1 publication Critical patent/WO2016110057A1/zh

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Definitions

  • the present disclosure relates to an array substrate, a display device, and a method of driving the same.
  • TFT-LCD Thin Film Transistor-Liquid Crystal Display
  • advantages such as high brightness and high contrast, and has been widely used in the field of display.
  • CRT Cathode Ray Tube
  • the viewing angle of the LCD is relatively narrow.
  • the angle of view refers to the angle between the line of sight and the plane of the vertical screen when the picture with a contrast ratio of 10 or more is just visible.
  • a narrow viewing angle can give users a bad experience. For example, when viewing a TFT-LCD from a certain angle, the user will find that the brightness of the display is sharply dimmed, making it difficult to see a high-quality picture. A narrow viewing angle TFT-LCD is clearly difficult to meet the needs of multiple users for simultaneous viewing.
  • Embodiments of the present invention provide an array substrate, a display device, and a driving method thereof, which are characterized by a wide viewing angle when the driving method is applied to a display device.
  • an embodiment of the present disclosure provides an array substrate, including: a plurality of pixel units, a plurality of scanning signal lines, and a plurality of data signal lines; the pixel unit includes a plurality of sub-pixels for displaying different colors, The sub-pixel includes a first sub-subpixel and a second sub-subpixel; the scan signal line is for inputting a scan signal to the sub-pixel; the plurality of data signal lines forming a plurality of data signal line groups, The data signal line group includes a plurality of sub-data signal line groups for inputting data signals to the sub-pixels, the sub-data signal line group including a first data signal line and a second data signal line The first sub-subpixel is connected to the first data signal line, the first data signal line is used to input a first data signal to the first sub-subpixel; the second sub-subpixel and a second data signal line connected to the second sub-pixel for inputting a second data signal; and a voltage of the first data signal is aV, the second
  • an embodiment of the present disclosure provides a display device including any of the array substrates provided by the embodiments of the present disclosure.
  • an embodiment of the present disclosure provides a driving method of a display device, where the display device includes an array substrate, and the array substrate includes: a plurality of pixel units, a plurality of scanning signal lines, and a plurality of data signal lines;
  • the pixel unit includes a plurality of sub-pixels for displaying different colors, the sub-pixels including a first sub-sub-pixel and a second sub-sub-pixel; the plurality of data signal lines forming a plurality of data signal line groups,
  • the data signal line group includes a plurality of sub-data signal line groups for inputting data signals to the sub-pixels, the sub-data signal line group including a first data signal line and a second data signal line
  • the first sub-subpixel is connected to the first data signal line, and the second sub-subpixel is connected to the second data signal line;
  • the driving method includes: the scanning signal during one scanning period The line inputs scan signals to the first sub-subpixel and the second sub-subpixel belonging to the same sub-pixel; the sub
  • Embodiments of the present disclosure provide an array substrate, a display device, and a driving method thereof, the driving method of the display device, by scanning a signal line to a first sub-subpixel belonging to the same sub-pixel in one scanning period And inputting a scan signal to the second sub-subpixel; the sub-data signal line group inputs a data signal to the sub-pixel, wherein the first data signal line inputs a first data signal to the first sub-subpixel, The second data signal line inputs a second data signal to the second sub-subpixel, and the voltage of the first data signal is aV, and the voltage value interval of the second data signal is [0.7aV, aV) ⁇ (aV, 1.3aV), a is a positive number; then in one sub-pixel, the voltage values of the data signals input by the first sub-sub-pixel and the second sub-sub-pixel are small, and the area of each sub-sub-pixel If it is small, it can be considered that the picture to be displayed in the sub-pixel of the data signal
  • the voltages of the pixel electrodes are the same, and the corresponding liquid crystal molecules have the same deflection angle and orientation, so that the liquid crystal molecules corresponding to one sub-pixel unit can form a domain.
  • the area is such that the light is deflected through a domain and the angle and direction are single, and the viewing angle is small.
  • the angles and orientations of the liquid crystal molecules corresponding to different sub-subpixels are slightly different, and the liquid crystal regions corresponding to the sub-pixels of the plurality of sub-sub-pixels may form a plurality of domain regions, and liquid crystal molecules are deflected in different domain regions.
  • the angle and orientation are slightly different, so that the light has different angles and directions of deflection after passing through different domain regions, that is, the viewing angle is improved; the display device adopting the driving method can realize multi-domain display, and the display screen is viewed from different angles. Both can obtain compensation in the corresponding direction, with a wide viewing angle.
  • FIG. 1 is an array substrate provided by an embodiment of the present disclosure
  • FIG. 3 is a timing chart of the operation of FIG. 1.
  • An embodiment of the present disclosure provides an array substrate, as shown in FIG. 1 , including: a plurality of pixel units (not shown), a plurality of scanning signal lines 2, and a plurality of data signal lines 3;
  • the sub-pixel 10 For displaying a plurality of sub-pixels 10 of different colors, the sub-pixel 10 includes a first sub-sub-pixel 101 and a second sub-sub-pixel 102; the scanning signal line 2 is used to input a scan signal to the sub-pixel 10; and a plurality of data signal lines 3 are formed.
  • the data signal line group includes a plurality of sub-data signal line groups
  • the sub-data signal line group is for inputting a data signal to the sub-pixel 10
  • the sub-data signal line group includes the first data signal line and the second data Signal line.
  • the first sub-subpixel 101 is connected to the first data signal line, that is, the data signal line Sm+1 in FIG. 1, and the first data signal line is used to input the first data signal to the first sub-subpixel 101;
  • the second sub-subpixel 102 is connected to the second data signal line, that is, the data signal line Sm in FIG. 1, and the second data signal line is used to input the second data signal to the second sub-subpixel 102; and the voltage of the first data signal is aV, second
  • the voltage value range of the data signal is [0.7aV, aV) ⁇ (aV, 1.3aV), a is positive number.
  • the embodiment of the present disclosure does not limit the number and types of sub-pixels included in the pixel unit, and the pixel unit generally includes red sub-pixels, green sub-pixels, and blue sub-pixels for respectively displaying red, green, and Blue three colors.
  • the pixel unit may further include white sub-pixels or yellow sub-pixels, which may be determined according to actual conditions.
  • the voltage value interval of the second data signal is [0.7 aV, aV) ⁇ (aV, 1.3 aV), that is, the voltage value interval of the second data signal may be [0.7 aV, aV), exemplary.
  • the voltage of the second data signal may be 0.75 aV, 0.8 aV or 0.9 aV; the voltage value interval of the second data signal may also be (aV, 1.3 aV), exemplarily, for example, the voltage of the second data signal It can be 1.1aV, 1.2aV or 1.25aV.
  • the voltage range of the second data signal is [0.7aV, 0.9aV) ⁇ (1.1aV, 1.3aV), and a is a positive number.
  • a is a positive number.
  • the sub-pixel includes a first sub-sub-pixel and a second sub-sub-pixel, and only one sub-pixel of the pixel unit may include the first sub-sub-pixel and the second sub-sub-pixel, and the red sub-pixel is
  • the pixel unit only the red sub-pixel may include the first red sub-pixel and the second red sub-pixel, and the sub-pixels of other colors correspond to only one sub-sub-pixel; or each sub-pixel of the pixel unit may be respectively
  • the first sub-subpixel and the second sub-subpixel are included, and the pixel unit includes a red sub-pixel, a green sub-pixel, and a blue sub-pixel.
  • the pixel unit includes six sub-subpixels, respectively being the first red sub-pixel, and the first A second red sub-pixel, a first green sub-pixel, a second green sub-pixel, a first blue sub-pixel, and a second blue sub-pixel. It is also possible that a partial sub-pixel of the pixel unit includes a first sub-sub-pixel and a second sub-sub-pixel, and a partial sub-pixel corresponds to only one sub-sub-pixel. And embodiments of the present disclosure exemplarily, each sub-pixel of a pixel unit includes a first sub-sub-pixel and a second sub-sub-pixel. The embodiments and the drawings of the present disclosure are described in detail by taking only one sub-pixel of one color as an example.
  • the pixel unit includes a plurality of sub-pixels for displaying different colors
  • the sub-pixel includes a first sub-sub-pixel and a second sub-sub-pixel; correspondingly, the plurality of data signal lines form a plurality of data The signal line group
  • the data signal line group includes a plurality of sub-data signal line groups. That is, in the embodiment of the present disclosure, the data signal line group inputs data signals to the respective sub-pixels of the pixel unit, and the sub-data signal line groups respectively input data signals to the first sub-sub-pixel and the second sub-sub-pixel belonging to one sub-pixel.
  • the voltage of the first data signal is aV
  • the voltage range of the second data signal is [0.7aV, aV) ⁇ (aV, 1.3aV), that is, the second data signal is different from the first data signal, and the first number is According to the signal, the voltage difference is small.
  • a plurality of data signal lines may be formed in a plurality of columns along the OB direction shown in FIG. 1-2, and a plurality of scanning signal lines may be formed in multiple rows along the OA direction shown in FIG. 1-2; or The plurality of data signal lines may also be formed in a plurality of rows along the OA direction shown in FIG. 1-2, and the plurality of scanning signal lines may be formed in a plurality of columns along the OB direction shown in FIG. 1-2, and the embodiment of the present disclosure Not limited. Referring to FIG.
  • the embodiment of the present disclosure and the accompanying drawings form a plurality of columns and a plurality of scanning signal lines along the OA direction shown in FIG. 1-2 by using a plurality of data signal lines along the OB direction shown in FIG. 1-2.
  • a description will be given of a plurality of behaviors.
  • the embodiments of the present disclosure are not limited to the arrangement of the sub-sub-pixels belonging to the same sub-pixel, and may be determined according to actual needs.
  • the embodiment of the present disclosure and the accompanying drawings each form a plurality of rows in which the plurality of data signal lines are formed in the OB direction shown in FIG. 1-2, and a plurality of scanning signal lines are formed in the OA direction shown in FIG. Next, each sub-pixel belonging to the same sub-pixel is located in the same column as an example for description.
  • An embodiment of the present disclosure provides an array substrate, wherein one sub-pixel of the array substrate includes a first sub-sub-pixel and a second sub-sub-pixel, and the first sub-subpixel acquires a first data signal by using the first data signal line, The two sub-subpixels acquire the second data signal through the second data signal line, and the data values of the first sub-pixel and the second sub-pixel input are slightly different by setting the voltage values of the first data signal and the second data signal.
  • the voltage of the pixel electrode of each sub-sub-pixel is slightly different, so that when the liquid crystal display device is formed by using the array substrate, the angles and orientations of liquid crystal molecules corresponding to different sub-sub-pixels belonging to the same sub-pixel are slightly different, including
  • the liquid crystal regions corresponding to the sub-pixels of the plurality of sub-subpixels may form a plurality of domain regions, and the display device may realize multi-domain display and increase the viewing angle of the display device.
  • the sub-subpixel includes a thin film transistor and a pixel electrode, wherein the drain D of the thin film transistor is connected to the pixel electrode, and the source S of the thin film transistor is connected to one data signal line.
  • the first sub-subpixel 101 includes a thin film transistor 4 and a pixel electrode 5 , wherein the drain D of the thin film transistor 4 is connected to the pixel electrode 5 .
  • the source S of the thin film transistor 4 is connected to the first data signal line, that is, the data signal line Sm+1 in FIG.
  • the first sub-subpixel and the second sub-subpixel are adjacent and located in the same row along the direction of the data signal line. It should be noted here that multiple rows and multiple data signals are formed in a plurality of scanning signal lines. In the case of multiple columns, the first sub-subpixel and the second sub-subpixel are adjacent to each other and are located in the same row along the data signal line direction.
  • the first sub-subpixel and the second sub-subpixel are adjacent and located in the same Or in the case where a plurality of scanning signal lines form a plurality of columns and a plurality of data signal lines form a plurality of lines, the first sub-sub-pixel and the second sub-sub-pixel are adjacent to each other and are located in the same row along the direction of the data signal line.
  • the ground refers to: the first sub-subpixel and the second sub-subpixel are adjacent and located in the same row.
  • the first sub-subpixel 101 and the second sub-pixel 102 are located in the same column in the OB direction, and then The liquid crystal molecules corresponding to one sub-subpixel 101 and the second sub-pixel 102 are deflected at different angles, thereby realizing multi-domains of the display device along the direction of the data signal line.
  • the first sub-subpixel and the second sub-pixel are located in the same row, and the first sub-subpixel and the second sub-pixel correspond to
  • the liquid crystal molecules are deflected at different angles to achieve multi-domains of the display device along the direction of the scanning signal line.
  • the first data signal line and the second data signal line are respectively disposed on both sides of the sub-pixel.
  • the first data The signal line may be disposed on a side of the first sub-subpixel not adjacent to the second sub-subpixel
  • the second data signal line may be disposed on a side of the second sub-sub-pixel not adjacent to the first sub-sub-pixel
  • the first data signal line and the second data signal line may be two of the first sub-subpixel or the second sub-subpixel. side.
  • the first data signal line and The second data signal line may be disposed on both sides of the first sub-subpixel or the second sub-subpixel; when the first sub-subpixel and the second sub-subpixel are adjacent to each other and located in the same column, the first data signal line
  • the second data signal line may be disposed on a side where the second sub-subpixel is not adjacent to the first sub-subpixel.
  • the first sub-subpixel and the second sub-subpixel are adjacent to each other and located in the same column.
  • the first data signal line and the second data signal line are respectively disposed on both sides of the first sub-subpixel or the second sub-subpixel as an example.
  • the first sub-subpixel and the second sub-subpixel are adjacent to each other and located in the same column, and the first data signal line and the first The two data signal lines are respectively disposed on two sides of the first sub-sub-pixel or the second sub-sub-pixel, and the beneficial effects of the first data signal line and the second data signal line on both sides of the sub-pixel are illustrated.
  • a plurality of data signal lines are formed in a plurality of columns in the OB direction, and a plurality of scanning signal lines are formed in a plurality of rows along the OA direction, and the first sub-sub-pixel 101 and the second sub-sub-pixel 102 are adjacent to each other and located in the same column.
  • the mth data signal line Sm (ie, the second data line) and the m+1th data signal line Sm+1 (ie, the first data line) are located on both sides of the i-th column pixel unit, and the i-th column of pixels
  • the first sub-subpixel 101 and the second sub-subpixel 102 belonging to the same sub-pixel 10 in the cell may be directly connected to the mth data signal line Sm or the m+1th data signal line Sm+1; the mth strip is avoided
  • the data signal line Sm and the m+1th data signal line Sm+1 are located on one side of the i-th column pixel unit, one sub-subpixel belonging to the same sub-pixel in the i-th column pixel unit needs to cross the mth data signal line.
  • Sm or the m+1th data signal line Sm+1 thereby avoiding the problem of being electrically connected to the mth data signal line Sm or the m+1th data signal line Sm+1.
  • the areas of the first sub-subpixel and the second sub-pixel may be different.
  • a smaller voltage signal for example 0.7 aV
  • the area of the sub-sub-pixel is proportional to the time required to charge it, and the larger sub-pixel can be faster. Charge the electricity to save the charging time of the sub-pixels, thereby increasing the reaction speed of the array substrate.
  • the width of the first data signal line is different from the width of the second data signal line.
  • the widths of the first data signal line and the second data signal line may be proportional to the magnitude of the voltage input thereto, that is, if the voltage of the first data signal line input to the first data signal is greater than the second data signal line input second
  • the voltage of the data signal is such that the width of the first data line is greater than the width of the second data line.
  • the resistance of the data line is inversely proportional to the area of the cross section obtained by cutting the data line perpendicular to the signal transmission direction. When the length of the data line is constant, increasing the width increases the cross-sectional area, and the resistance value decreases.
  • the width of the first data line is greater than the width of the second data line, and the resistance value of the first data line is smaller than the second data line. The resistance value, which facilitates the faster transmission of the first data signal by the first data line.
  • the sub-pixel further includes a third sub-sub-pixel and a fourth sub-sub-pixel;
  • the sub-data signal line group further includes a third data signal line and a fourth data signal line;
  • the fourth sub-subpixel is connected to the fourth data signal line, and the fourth data line is used to input the fourth data signal to the fourth sub-sub-pixel
  • the voltage values of the third data signal and the fourth data signal range from 0.7 aV to 1.3 aV, and a is a positive number.
  • a liquid crystal region corresponding to a sub-pixel including four sub-subpixels can form more domain regions.
  • the display effect of the liquid crystal display device formed by applying the array substrate is further improved.
  • the first sub-subpixel, the second sub-subpixel, the third sub-pixel, and The fourth sub-subpixel is located in two adjacent rows along the direction of the scanning signal line, and is located in two adjacent columns along the direction of the data signal line.
  • the first sub-subpixel, the second sub-sub-pixel, the third sub-sub-pixel, and the fourth sub-sub-pixel along the scanning signal The line direction is located in two adjacent columns and is located in two adjacent rows along the direction of the data signal line.
  • the voltages of the third data signal, the fourth data signal, and the second data signal are different, such that the pixel electrodes of the second sub-subpixel, the third sub-sub-pixel, and the fourth sub-sub-pixel are different, including
  • the liquid crystal regions corresponding to the sub-pixels of the sub-subpixels can form at least four domain regions, so that the angle and direction of deflection of the light after passing through the liquid crystal are further increased, thereby further improving the viewing angle.
  • the widths of the first data signal line, the second data signal line, the third data signal line, and the fourth data line are different. That is, on the basis that the voltages of the first data signal, the second data signal, the third data signal, and the fourth data signal are different, the widths of the corresponding data signal lines are also different.
  • the width of the data signal line may be proportional to the magnitude of the voltage input thereto, and the descriptions of the first data signal line and the second data signal line may be referred to, and are not described herein.
  • the areas of the first sub-subpixel, the second sub-subpixel, the third sub-sub-pixel, and the fourth sub-sub-pixel are different.
  • a smaller voltage signal for example 0.7 aV
  • the area of the sub-sub-pixel is proportional to the time required to charge it, and the sub-pixel having a larger area can be faster. Charge the electricity to save the charging time of the sub-pixels, thereby increasing the reaction speed of the array substrate.
  • a plurality of scanning signal lines form a plurality of rows and a plurality of data signal lines form a plurality of columns
  • the first sub-subpixel 101 and the second sub-subpixel 102 belonging to the same sub-pixel 10 in two rows and in the same column are input with scanning signals through the same scanning signal line Gn; or, a plurality of columns are formed in a plurality of scanning signal lines
  • a plurality of data signal lines are formed in a plurality of rows
  • sub-pixels belonging to the same sub-pixel in two adjacent columns and in the same row are input with scanning signals through the same scanning signal line.
  • one sub-pixel includes a first sub-sub-pixel and a second sub-sub-pixel.
  • one sub-pixel may further include a plurality of sub-sub-pixels.
  • the sub-pixels of any two adjacent rows and located in the same column may input the scanning signals through one scanning signal line.
  • a sub-pixel may further include a first sub-subpixel, a second sub-sub-pixel, a third sub-sub-pixel, and a fourth sub-subpixel located in the same column and sequentially adjacent to each other, and the first sub-subpixel and the first sub-pixel
  • the two sub-subpixels may input the scan signal through one scan signal line
  • the third sub-subpixel and the fourth sub-subpixel may input the scan signal through one scan signal line, that is, the four sub-subpixels are scanned through the two scan signal lines. signal.
  • the case where a plurality of scanning signal lines form a plurality of columns and a plurality of data signal lines form a plurality of lines is the same as the above, and details are not described herein again.
  • An embodiment of the present disclosure provides a display device, including the array substrate of any of the above, which may be a liquid crystal display, a television including a liquid crystal display device, a digital camera, a mobile phone, a tablet computer, etc., having any liquid crystal display function.
  • a display device including the array substrate of any of the above, which may be a liquid crystal display, a television including a liquid crystal display device, a digital camera, a mobile phone, a tablet computer, etc., having any liquid crystal display function.
  • the display device further includes a common electrode corresponding to the pixel unit, and voltages of the common electrodes corresponding to the sub-pixels of the pixel unit are the same.
  • the liquid crystal display device generally controls the deflection angle of the liquid crystal molecules by applying a voltage to the common electrode and the pixel electrode, and controlling the magnitude of the electric field formed between the common electrode and the pixel electrode, thereby making the light transmittance different. display. That is, in the embodiment of the present disclosure, the common electrode voltages corresponding to the sub-pixels in the liquid crystal display device are the same, so that the first sub-sub-pixel and the second sub-sub-region are made different by making the voltages of the first sub-sub-pixel and the second sub-sub-pixel different.
  • the liquid crystal deflection angles corresponding to the pixels are different, and multi-domains are realized.
  • Embodiments of the present disclosure provide a driving method of a display device including an array substrate.
  • the array substrate includes: a plurality of pixel units, a plurality of scanning signal lines, and a plurality of data signal lines;
  • the pixel unit includes a plurality of sub-pixels for displaying different colors, and the sub-pixels include a first sub-sub-pixel and a second sub-sub-pixel;
  • the plurality of data signal lines form a plurality of data signal line groups, the data signal line group includes a plurality of sub-data signal line groups, the sub-data signal line group is for inputting the data signals to the sub-pixels, and the sub-data signal line group includes the first data signal And a second data signal line, the first sub-subpixel is connected to the first data signal line, and the second sub-subpixel is connected to the second data signal line.
  • the driving method includes: in one scanning period, the scanning signal line inputs a scanning signal to the first sub-subpixel and the second sub-subpixel belonging to the same sub-pixel; the sub-data signal line group inputs the data signal to the sub-pixel, wherein the first data The signal line inputs a first data signal to the first sub-subpixel, the second data signal line inputs a second data signal to the second sub-subpixel, and the voltage of the first data signal is aV, and the voltage value interval of the second data signal Is [0.7aV, aV) ⁇ (aV, 1.3aV), a is a positive number.
  • the scanning period that is, the scanning signal line scans the first sub-subpixel and the second sub-subpixel input The time of the signal.
  • the driving method of the display device is configured to input a scan signal to the first sub-subpixel and the second sub-subpixel belonging to the same sub-pixel in one scan period; the sub-data signal line group to the sub-pixel a pixel input data signal, wherein the first data signal line inputs a first data signal to the first sub-subpixel, and the second data signal line inputs a second data signal to the second sub-subpixel, and
  • the voltage of the first data signal is aV
  • the voltage range of the second data signal is [0.7aV, aV) ⁇ (aV, 1.3aV), and a is a positive number;
  • the voltage values of the data signals input by the first sub-subpixel and the second sub-subpixel are small, and the area of each sub-subpixel is small, and the input value interval can be considered as [0.7aV, aV) ⁇ (aV
  • the voltages of the pixel electrodes are the same, and the corresponding liquid crystal molecules have the same deflection angle and orientation, so that the liquid crystal molecules corresponding to one sub-pixel unit can form a domain region, so that the light is deflected through a domain region.
  • the angle and direction are single and the viewing angle is small.
  • the angles and orientations of the liquid crystal molecules corresponding to different sub-subpixels are slightly different, and the liquid crystal regions corresponding to the sub-pixels of the plurality of sub-sub-pixels may form a plurality of domain regions, and liquid crystal molecules are deflected in different domain regions.
  • the angle and orientation are slightly different, so that the light has different angles and directions of deflection after passing through different domain regions, that is, the viewing angle is improved; the display device adopting the driving method can realize multi-domain display, and the display screen is viewed from different angles. Both can obtain compensation in the corresponding direction, with a wide viewing angle.
  • the sub-pixel further includes a third sub-subpixel and a fourth sub-subpixel;
  • the sub-data signal line group further includes a third data signal line and a fourth data signal line, and the third sub-pixel and the third data signal line Connected, the fourth sub-subpixel is connected to the fourth data signal line;
  • the scan signal line further inputs a scan signal to the third sub-subpixel and the fourth sub-pixel, and the third data line inputs the third data signal to the third sub-pixel.
  • the fourth data line inputs a fourth data signal to the fourth sub-subpixel, and the voltage values of the third data signal and the fourth data signal range from 0.7 aV to 1.3 aV, and a is a positive number.
  • the voltage values of the third data signal and the fourth data signal range from 0.7 aV to 1.3 aV, that is, the third data signal voltage ranges from 0.7 aV to 1.3 aV, and the fourth data signal
  • the voltage value ranges from 0.7aV to 1.3aV; the voltage values of the third data signal and the fourth data signal may be the same or different, for example, the third data signal voltage is 0.9 aV, and the fourth data signal voltage is 0.8 aV.
  • the voltages of the third data signal and the fourth data signal are both 0.9 aV.
  • the embodiment of the present disclosure does not limit this.
  • the voltage values of the third data signal and the fourth data signal are different, which may further increase the number of domain regions formed by the liquid crystal regions corresponding to the sub-pixels of the sub-subpixels. Thereby the viewing angle is further improved.
  • the voltages of the third data signal, the fourth data signal, and the second data signal are different.
  • the liquid crystal region corresponding to the sub-pixel of the sub-subpixel can form at least four domain regions, so that the angle and direction of deflection of the light after passing through the liquid crystal is further increased, thereby further improving the viewing angle.
  • the above driving method will be described below by taking an example of the display device including the array substrate shown in FIG. 1.
  • the driving method illustratively includes:
  • the scanning voltage is input to the scanning signal line Gn connected to the gate of the thin film transistor of the first sub-pixel of the first row, while the second sub-page of the second row is
  • the scanning signal line Gn+1 connected to the gate of the thin film transistor of the pixel is input with a scanning voltage.
  • i, m, and n are positive integers, and a, b, c, and d are positive numbers.
  • the scanning voltage is input to the scanning signal line Gn+2 connected to the gate of the thin film transistor of the first sub-subpixel of the third row, while being the second to the fourth row.
  • the scanning signal line Gn+3 connected to the gate of the thin film transistor of the sub-subpixel is input with a scanning voltage.
  • the data signal is simultaneously input to the eight data signal lines Sm-2 to Sm+5, wherein fV is input to the data signal line Sm-1 connected to the source of the thin film transistor of the first sub-subpixel in the i-1th column,
  • the data signal line data signal line Sm-2 to which the source of the thin film transistor of the second sub-pixel in the second sub-pixel is connected is input at 0.8 fV.
  • i, m, and n are positive integers, and f, g, h, and j are positive numbers.
  • the above steps are repeated to realize the scanning of the first line to the last line, thereby realizing the display of one screen in one scanning period.
  • the continuous display can be realized by repeating multiple scan cycles.

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Abstract

一种阵列基板、显示装置及其驱动方法，阵列基板包括多个像素单元、多条扫描信号线(2)及多条数据信号线(3)；像素单元包括多个亚像素(10)，亚像素(10)包括第一子亚像素(101)和第二子亚像素(102)；多条数据信号线(3)形成多个数据信号线组，数据信号线组包括多个亚数据信号线组，亚数据信号线组包括第一数据信号线(Sm+1)和第二数据信号线(Sm)；第一子亚像素(101)与第一数据信号线(Sm+1)相连以获取第一数据信号；第二子亚像素(102)与第二数据信号线(Sm)相连以获取第二数据信号；第一数据信号电压为aV，第二数据信号电压取值区间[0.7aV，aV)∪(aV，1.3aV]。使用该驱动方法，该显示装置具有宽视角。

Description

阵列基板、显示装置及其驱动方法 技术领域
本公开涉及一种阵列基板、显示装置及其驱动方法。
背景技术
TFT-LCD(Thin Film Transistor-Liquid Crystal Display，薄膜晶体管液晶显示器)具有高亮度、高对比度等优点，已广泛应用于显示领域。但是相对于传统的CRT(Cathode Ray Tube，阴极射线管)显示器，LCD的视角比较窄。视角即指刚好可以看到对比度为10以上的画面的时候，视线与垂直屏幕的平面的夹角。
窄视角会给用户带来不良的体验，例如，当从某个角度观看TFT-LCD时，用户会发现显示器的亮度急剧变暗，难以看到高品质画面。窄视角的TFT-LCD显然难以满足多个用户同时观看的需求。
发明内容
本发明的实施例提供一种阵列基板、显示装置及其驱动方法，将所述驱动方法用于显示装置时，该显示装置具有宽视角的特点。
一方面，本公开的实施例提供了一种阵列基板，包括：多个像素单元、多条扫描信号线、多条数据信号线；所述像素单元包括用于显示不同颜色的多个亚像素，所述亚像素包括第一子亚像素和第二子亚像素；所述扫描信号线用于向所述亚像素输入扫描信号；所述多条数据信号线形成多个数据信号线组，所述数据信号线组包括多个亚数据信号线组，所述亚数据信号线组用于向所述亚像素输入数据信号，所述亚数据信号线组包括第一数据信号线和第二数据信号线；所述第一子亚像素与所述第一数据信号线相连，所述第一数据信号线用于向所述第一子亚像素输入第一数据信号；所述第二子亚像素与所述第二数据信号线相连，所述第二数据信号线用于向所述第二子亚像素输入第二数据信号；且所述第一数据信号的电压为aV，所述第二数据信号的电压取值区间为[0.7aV，aV)∪(aV，1.3aV]，a为正数。
另一方面，本公开的实施例提供了一种显示装置，该显示装置包括本公开的实施例提供的任一种阵列基板。
再一方面，本公开的实施例提供了一种显示装置的驱动方法，所述显示装置包括阵列基板，所述阵列基板包括：多个像素单元、多条扫描信号线、多条数据信号线；所述像素单元包括用于显示不同颜色的多个亚像素，所述亚像素包括第一子亚像素和第二子亚像素；所述多条数据信号线形成多个数据信号线组，所述数据信号线组包括多个亚数据信号线组，所述亚数据信号线组用于向所述亚像素输入数据信号，所述亚数据信号线组包括第一数据信号线和第二数据信号线，所述第一子亚像素与所述第一数据信号线相连，所述第二子亚像素与所述第二数据信号线相连；所述驱动方法包括：在一个扫描时段，所述扫描信号线向属于同一所述亚像素的第一子亚像素和第二子亚像素输入扫描信号；所述亚数据信号线组向所述亚像素输入数据信号，其中，所述第一数据信号线向所述第一子亚像素输入第一数据信号，所述第二数据信号线向所述第二子亚像素输入第二数据信号，且所述第一数据信号的电压为aV，所述第二数据信号的电压取值区间为[0.7aV，aV)∪(aV，1.3aV]，a为正数。
本公开的实施例提供了一种阵列基板、显示装置及其驱动方法，所述显示装置的驱动方法通过在一个扫描时段，所述扫描信号线向属于同一所述亚像素的第一子亚像素和第二子亚像素输入扫描信号；所述亚数据信号线组向所述亚像素输入数据信号，其中，所述第一数据信号线向所述第一子亚像素输入第一数据信号，所述第二数据信号线向所述第二子亚像素输入第二数据信号，且所述第一数据信号的电压为aV，所述第二数据信号的电压取值区间为[0.7aV，aV)∪(aV，1.3aV]，a为正数；则在一个亚像素中，由于第一子亚像素和第二子亚像素输入的数据信号的电压值相差很小，且每个子亚像素的面积很小，则可以认为输入取值区间为[0.7aV，aV)∪(aV，1.3aV]的数据信号的子亚像素所要显示的画面与输入aV数据信号的子亚像素所要显示的画面是同一个画面，即采用两个子亚像素显示一个亚像素所要显示的画面。
同时，由于每个子亚像素所输入的数据信号值略微不同，则每个子亚像素的像素电极的电压略微不同，这样属于同一个亚像素的不同子亚像素对应的液晶分子偏转的角度和取向略微不同。
一般地，一个亚像素单元中像素电极的电压相同，其对应的液晶分子的偏转角度和取向相同，那么一个亚像素单元对应的液晶分子可以形成一个畴 区，这样光线通过一个畴区后偏转的角度和方向单一，可视角度小。而在一个亚像素中，不同子亚像素对应的液晶分子偏转的角度和取向略微不同，则包括多个子亚像素的亚像素对应的液晶区域可以形成多个畴区，不同畴区中液晶分子偏转的角度和取向略微不同，这样光线通过不同畴区后有多个偏转的角度和方向，即改善了可视角度；采用该驱动方法的显示装置可以实现多畴显示，从不同的角度观察显示屏都可以获得相应方向的补偿，具有宽视角的特点。
附图说明
图1为本公开的实施例提供的一种阵列基板；
图2为本公开的另一实施例提供的另一种阵列基板；
图3为图1的工作时序图。
具体实施方式
下面将结合本公开的实施例中的附图，对本公开的实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本公开的一部分实施例，而不是全部的实施例。基于本公开中的实施例，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实施例，都属于本公开保护的范围。
本公开的实施例提供了一种阵列基板，参考图1所示，包括：多个像素单元(图中未示出)、多条扫描信号线2、多条数据信号线3；像素单元包括用于显示不同颜色的多个亚像素10，亚像素10包括第一子亚像素101和第二子亚像素102；扫描信号线2用于向亚像素10输入扫描信号；多条数据信号线3形成多个数据信号线组，数据信号线组包括多个亚数据信号线组，亚数据信号线组用于向亚像素10输入数据信号，亚数据信号线组包括第一数据信号线和第二数据信号线。
第一子亚像素101与第一数据信号线即图1中的数据信号线Sm+1相连，第一数据信号线用于向第一子亚像素101输入第一数据信号；第二子亚像素102与第二数据信号线即图1中的数据信号线Sm相连，第二数据信号线用于向第二子亚像素102输入第二数据信号；且第一数据信号的电压为aV，第二数据信号的电压取值区间为[0.7aV，aV)∪(aV，1.3aV]，a为正 数。
上述阵列基板中，本公开的实施例对于像素单元包括的亚像素的个数和种类不做限定，像素单元一般包括红亚像素、绿亚像素和蓝亚像素，用于分别显示红、绿、蓝三种颜色。当然，为了提高显示亮度，像素单元还可以包括白亚像素或者黄亚像素，可以根据实际情况而定。
上述阵列基板中，第二数据信号的电压取值区间为[0.7aV，aV)∪(aV，1.3aV]，即第二数据信号的电压取值区间可以为[0.7aV，aV)，示例性地，例如第二数据信号的电压可以是0.75aV、0.8aV或者0.9aV；第二数据信号的电压取值区间还可以为(aV，1.3aV]，示例性地，例如第二数据信号的电压可以是1.1aV、1.2aV或者1.25aV。
进一步地,第二数据信号的电压取值区间为[0.7aV，0.9aV)∪(1.1aV，1.3aV]，a为正数。如此，形成子亚像素之间更为合适的数据电压差，既能更好达到宽视角目的，还能使得子亚像素画面效果更好。
本公开的实施例中，亚像素包括第一子亚像素和第二子亚像素，可以仅是像素单元的任意一个亚像素包括第一子亚像素和第二子亚像素，以红色亚像素为例，即像素单元中可以是仅红色亚像素包括第一红子亚像素和第二红子亚像素，其他颜色的亚像素对应只有一个子亚像素；还可以是像素单元的每个亚像素分别包括第一子亚像素和第二子亚像素，以像素单元包括红亚像素、绿亚像素和蓝亚像素为例，即像素单元包括六个子亚像素，分别为第一红子亚像素、第二红子亚像素、第一绿子亚像素、第二绿子亚像素、第一蓝子亚像素以及第二蓝子亚像素。还可以是像素单元的部分亚像素包括第一子亚像素和第二子亚像素，部分亚像素对应只有一个子亚像素。且本公开的实施例示例性地，像素单元的每个亚像素均包括第一子亚像素和第二子亚像素。本公开的实施例及附图仅以一种颜色的亚像素为例进行详细说明。
此外，本公开的实施例中，像素单元包括用于显示不同颜色的多个亚像素，亚像素包括第一子亚像素和第二子亚像素；对应地，多条数据信号线形成多个数据信号线组，数据信号线组包括多个亚数据信号线组。即本公开的实施例中，数据信号线组向像素单元的各亚像素输入数据信号，亚数据信号线组向属于一个亚像素的第一子亚像素和第二子亚像素分别输入数据信号。
第一数据信号的电压为aV，第二数据信号的电压取值区间为[0.7aV，aV)∪(aV，1.3aV]，即第二数据信号与第一数据信号不同，且与第一数 据信号的电压差较小。
另外，本公开的实施例对于多条数据信号线和多条扫描信号线的排布方式不做限定。示例性地，例如，多条数据信号线可以是沿图1-2所示的OB方向形成多列、多条扫描信号线可以是沿图1-2所示的OA方向形成多行；或者，多条数据信号线还可以是沿图1-2所示的OA方向形成多行、多条扫描信号线可以是沿图1-2所示的OB方向形成多列，本公开的实施例对此不作限定。参照图1-2，本公开的实施例以及附图均以多条数据信号线沿图1-2所示的OB方向形成多列、多条扫描信号线沿图1-2所示的OA方向形成多行为例进行说明。
本公开的实施例对于属于同一个亚像素的各子亚像素的排布方式均不做限定，可以根据实际需要而定。本公开的实施例以及附图均以在多条数据信号线沿图1-2所示的OB方向形成多列、多条扫描信号线沿图1-2所示的OA方向形成多行的情况下，属于同一个亚像素的各子亚像素位于同一列为例进行说明。
本公开的实施例提供了一种阵列基板，该阵列基板中一个亚像素包括第一子亚像素和第二子亚像素，第一子亚像素通过第一数据信号线获取第一数据信号，第二子亚像素通过第二数据信号线获取第二数据信号，通过设置第一数据信号和第二数据信号的电压值，使得第一子亚像素和第二子亚像素输入的数据信号值略微不同，则每个子亚像素的像素电极的电压略微不同，从而在应用该阵列基板形成液晶显示装置时，属于同一个亚像素的不同子亚像素对应的液晶分子偏转的角度和取向略微不同，则包括多个子亚像素的亚像素对应的液晶区域可以形成多个畴区，进而该显示装置可以实现多畴显示，增大显示装置的视角。
进一步地，子亚像素包括一个薄膜晶体管和一个像素电极，其中，薄膜晶体管的漏极D与像素电极相连，薄膜晶体管的源极S与一条数据信号线相连。示例性地，参考图1所示，以第一子亚像素为例，第一子亚像素101包括一个薄膜晶体管4和一个像素电极5，其中，薄膜晶体管4的漏极D与像素电极5相连；薄膜晶体管4的源极S与第一数据信号线即图1中的数据信号线Sm+1相连。
可选地，第一子亚像素和第二子亚像素相邻且沿数据信号线方向位于同一排。这里需要说明的是，在多条扫描信号线形成多行、多条数据信号线形 成多列的情况下，第一子亚像素和第二子亚像素相邻且沿数据信号线方向位于同一排示例性地指：第一子亚像素和第二子亚像素相邻且位于同一列；或者，在多条扫描信号线形成多列、多条数据信号线形成多行的情况下，第一子亚像素和第二子亚像素相邻且沿数据信号线方向位于同一排示例性地指：第一子亚像素和第二子亚像素相邻且位于同一行。
在多条扫描信号线形成多行、多条数据信号线形成多列的情况下，参考图1所示，第一子亚像素101和第二子亚像素102沿OB方向位于同一列，则第一子亚像素101和第二子亚像素102对应的液晶分子偏转的角度不同，从而实现显示装置沿数据信号线方向的多畴。
在多条扫描信号线形成多列、多条数据信号线形成多行的情况下，第一子亚像素和第二子亚像素位于同一行，则第一子亚像素和第二子亚像素对应的液晶分子偏转的角度不同，从而实现显示装置沿扫描信号线方向的多畴。
可选地，第一数据信号线和第二数据信号线分置于亚像素的两侧。需要说明的是，在多条扫描信号线形成多行、多条数据信号线形成多列的情况下，当第一子亚像素和第二子亚像素相邻且位于同一行时，第一数据信号线可以是置于第一子亚像素不与第二子亚像素相邻的一侧，第二数据信号线可以是置于第二子亚像素不与第一子亚像素相邻的一侧；当第一子亚像素和第二子亚像素相邻且位于同一列时，第一数据信号线和第二数据信号线可以是分置于第一子亚像素或第二子亚像素的两侧。
或者，在多条扫描信号线形成多列、多条数据信号线形成多行的情况下，当第一子亚像素和第二子亚像素相邻且位于同一行时，第一数据信号线和第二数据信号线可以是分置于第一子亚像素或第二子亚像素的两侧；当第一子亚像素和第二子亚像素相邻且位于同一列时，第一数据信号线可以是置于第一子亚像素不与第二子亚像素相邻的一侧，第二数据信号线可以是置于第二子亚像素不与第一子亚像素相邻的一侧。
本公开的实施例以及附图均以在多条扫描信号线形成多行、多条数据信号线形成多列的情况下，第一子亚像素和第二子亚像素相邻且位于同一列，第一数据信号线和第二数据信号线分置于第一子亚像素或第二子亚像素的两侧为例进行说明。
下面，以在多条扫描信号线形成多行、多条数据信号线形成多列的情况下，第一子亚像素和第二子亚像素相邻且位于同一列，第一数据信号线和第 二数据信号线分置于第一子亚像素或第二子亚像素的两侧为例，说明第一数据信号线和第二数据信号线分置于亚像素的两侧的有益效果。
参考图1所示，多条数据信号线沿OB方向形成多列、多条扫描信号线沿OA方向形成多行，第一子亚像素101和第二子亚像素102相邻且位于同一列，且第m条数据信号线Sm(即第二数据线)和第m+1条数据信号线Sm+1(即第一数据线)位于第i列像素单元两侧的情况下，第i列像素单元中属于同一亚像素10的第一子亚像素101和第二子亚像素102可以直接与第m条数据信号线Sm或者第m+1条数据信号线Sm+1相连；避免了第m条数据信号线Sm和第m+1条数据信号线Sm+1位于第i列像素单元的一侧时，第i列像素单元中属于同一亚像素的一个子亚像素需要跨越第m条数据信号线Sm或者第m+1条数据信号线Sm+1的情况，从而避免与第m条数据信号线Sm或者第m+1条数据信号线Sm+1交叉电连接的问题。
可选地，第一子亚像素和第二子亚像素的面积可以不同。这样，可以向面积较大的子亚像素输入较小的电压信号，例如0.7aV；而子亚像素的面积与向其充电需要的时间成正比，则面积较大的子亚像素可以更快地充好电，以节约子亚像素的充电时间，从而提高阵列基板的反应速度。
可选地，第一数据信号线的宽度与第二数据信号线的宽度不同。且进一步地，第一数据信号线和第二数据信号线的宽度可以是与其输入的电压大小成正比，即若第一数据信号线输入第一数据信号的电压大于第二数据信号线输入第二数据信号的电压，则第一数据线的宽度大于第二数据线的宽度。而数据线的电阻与沿垂直于信号传输方向截取数据线所得的截面的面积成反比，在数据线的长度不变的情况下，增大宽度会增大截面面积，从而电阻值减小。在第一数据线的长度和第二数据线的长度不变且相同的情况下，第一数据线的宽度大于第二数据线的宽度，则第一数据线的电阻值小于第二数据线的电阻值，这样有利于第一数据线更迅速地传输第一数据信号。
可选地，亚像素还包括第三子亚像素和第四子亚像素；亚数据信号线组还包括第三数据信号线和第四数据信号线；第三子亚像素与第三数据信号线相连，第三数据线用于向第三子亚像素输入第三数据信号；第四子亚像素与第四数据信号线相连，第四数据线用于向第四子亚像素输入第四数据信号，且第三数据信号和第四数据信号的电压取值范围为0.7aV-1.3aV，a为正数。
这样，包括四个子亚像素的亚像素对应的液晶区域可以形成更多畴区， 进一步提高了应用该阵列基板形成的液晶显示装置的显示效果。
可选的，为了充分利用空间资源，在多条扫描信号线形成多行、多条数据信号线形成多列的情况下，第一子亚像素、第二子亚像素、第三子亚像素以及第四子亚像素沿扫描信号线方向位于相邻的两行，且沿数据信号线方向位于相邻的两列。
或者，在多条扫描信号线形成多列、多条数据信号线形成多行的情况下，第一子亚像素、第二子亚像素、第三子亚像素以及第四子亚像素沿扫描信号线方向位于相邻的两列，且沿数据信号线方向位于相邻的两行。
示例性地，第三数据信号、第四数据信号和第二数据信号的电压各不相同，这样第二子亚像素、第三子亚像素以及第四子亚像素的像素电极均不同，则包括上述子亚像素的亚像素对应的液晶区域至少可以形成四个畴区，这样光线透过液晶后偏转的角度和方向进一步增多，从而进一步改善了可视角度。
可选地，第一数据信号线、第二数据信号线、第三数据信号线和第四数据线的宽度各不相同。即在第一数据信号、第二数据信号、第三数据信号和第四数据信号的电压各不相同的基础上，其分别对应的数据信号线的宽度也不同。示例性地，数据信号线的宽度可以是与其输入的电压大小成正比，可以参照第一数据信号线和第二数据信号线的描述，这里不作赘述。
可选地，第一子亚像素、第二子亚像素、第三子亚像素和第四子亚像素的面积各不相同。这样，可以向面积较大的子亚像素输入较小的电压信号，例如0.7aV；而子亚像素的面积与向其充电需要的时间成正比，则面积较大的子亚像素可以更快的充好电，以节约子亚像素的充电时间，从而提高阵列基板的反应速度。
可选地，为了减少扫描信号线的条数从而节约成本，在多条扫描信号线形成多行、多条数据信号线形成多列的情况下，示例性地，可以参考图2所示，相邻两行且位于同一列的属于同一个亚像素10的第一子亚像素101和第二子亚像素102通过同一扫描信号线Gn输入扫描信号；或者，在多条扫描信号线形成多列、多条数据信号线形成多行的情况下，相邻两列且位于同一行的属于同一个亚像素的子亚像素通过同一扫描信号线输入扫描信号。
上述是以一个亚像素包括第一子亚像素和第二子亚像素为例进行说明，当然，本公开的实施例并不限于此，一个亚像素还可以包括多个子亚像素， 则在多条扫描信号线形成多行、多条数据信号线形成多列的情况下，任意相邻的两行且位于同一列的子亚像素可以通过一条扫描信号线输入扫描信号。示例地，一个亚像素还可以是包括位于同一列且依次相邻的第一子亚像素、第二子亚像素、第三子亚像素和第四子亚像素，则第一子亚像素和第二子亚像素可以是通过一条扫描信号线输入扫描信号，第三子亚像素和第四子亚像素可以是通过一条扫描信号线输入扫描信号，即四个子亚像素通过两条扫描信号线输入扫描信号。多条扫描信号线形成多列、多条数据信号线形成多行的情况与上述相同，这里不再赘述。
本公开的实施例提供了一种显示装置，包括上述任一种的阵列基板，该显示装置可以为液晶显示器以及包括液晶显示器件的电视、数码相机、手机、平板电脑等任何具有液晶显示功能的产品或者部件。
进一步地，显示装置还包括与像素单元对应的公共电极，且对应于像素单元的亚像素的公共电极的电压相同。这里需要说明的是，液晶显示装置一般是通过分别向公共电极和像素电极加载电压，控制公共电极和像素电极之间形成电场的大小来控制液晶分子偏转角度，进而使得透光性不同，以实现显示。即本公开的实施例中，液晶显示装置中亚像素对应的公共电极电压相同，从而通过使得第一子亚像素和第二子亚像素的电压不同，使得第一子亚像素和第二子亚像素对应的液晶偏转角度不同，实现多畴。
本公开的实施例提供了一种显示装置的驱动方法，显示装置包括阵列基板。阵列基板包括：多个像素单元、多条扫描信号线、多条数据信号线；像素单元包括用于显示不同颜色的多个亚像素，亚像素包括第一子亚像素和第二子亚像素；多条数据信号线形成多个数据信号线组，数据信号线组包括多个亚数据信号线组，亚数据信号线组用于向亚像素输入数据信号，亚数据信号线组包括第一数据信号线和第二数据信号线，第一子亚像素与第一数据信号线相连，第二子亚像素与第二数据信号线相连。
驱动方法包括：在一个扫描时段，扫描信号线向属于同一亚像素的第一子亚像素和第二子亚像素输入扫描信号；亚数据信号线组向亚像素输入数据信号，其中，第一数据信号线向第一子亚像素输入第一数据信号，第二数据信号线向第二子亚像素输入第二数据信号，且第一数据信号的电压为aV，第二数据信号的电压取值区间为[0.7aV，aV)∪(aV，1.3aV]，a为正数。
所述扫描时段即扫描信号线向第一子亚像素和第二子亚像素输入扫描 信号的时间内。显示装置的驱动方法通过在一个扫描时段，所述扫描信号线向属于同一所述亚像素的第一子亚像素和第二子亚像素输入扫描信号；所述亚数据信号线组向所述亚像素输入数据信号，其中，所述第一数据信号线向所述第一子亚像素输入第一数据信号，所述第二数据信号线向所述第二子亚像素输入第二数据信号，且所述第一数据信号的电压为aV，所述第二数据信号的电压取值区间为[0.7aV，aV)∪(aV，1.3aV]，a为正数；则在一个亚像素中，由于第一子亚像素和第二子亚像素输入的数据信号的电压值相差很小，且每个子亚像素的面积很小，则可以认为输入取值区间为[0.7aV，aV)∪(aV，1.3aV]的数据信号的子亚像素所要显示的画面与输入aV数据信号的子亚像素所要显示的画面是同一个画面，即采用两个子亚像素显示一个亚像素所要显示的画面。
同时，由于每个子亚像素所输入的数据信号值略微不同，则每个子亚像素的像素电极的电压略微不同，这样属于同一个亚像素的不同子亚像素对应的液晶分子偏转的角度和取向略微不同。
一般地，一个亚像素单元中像素电极的电压相同，其对应的液晶分子的偏转角度和取向相同，那么一个亚像素单元对应的液晶分子可以形成一个畴区，这样光线通过一个畴区后偏转的角度和方向单一，可视角度小。而在一个亚像素中，不同子亚像素对应的液晶分子偏转的角度和取向略微不同，则包括多个子亚像素的亚像素对应的液晶区域可以形成多个畴区，不同畴区中液晶分子偏转的角度和取向略微不同，这样光线通过不同畴区后有多个偏转的角度和方向，即改善了可视角度；采用该驱动方法的显示装置可以实现多畴显示，从不同的角度观察显示屏都可以获得相应方向的补偿，具有宽视角的特点。
可选地，亚像素还包括第三子亚像素和第四子亚像素；亚数据信号线组还包括第三数据信号线和第四数据信号线，第三子亚像素与第三数据信号线相连，第四子亚像素与第四数据信号线相连；扫描信号线还向第三子亚像素和第四子亚像素输入扫描信号，第三数据线向第三子亚像素输入第三数据信号，第四数据线向第四子亚像素输入第四数据信号，且第三数据信号和第四数据信号的电压取值范围为0.7aV-1.3aV，a为正数。
需要说明的是，第三数据信号和第四数据信号的电压取值范围为0.7aV-1.3aV即第三数据信号电压取值范围为0.7aV-1.3aV，第四数据信号的 电压取值范围为0.7aV-1.3aV；第三数据信号和第四数据信号的电压值可以相同，也可以不同，例如，第三数据信号电压为0.9aV，第四数据信号电压为0.8aV，或者，第三数据信号和第四数据信号的电压均为0.9aV。本公开的实施例对此不做限定，示例性地第三数据信号和第四数据信号的电压值不同，这样可以进一步增加包括上述子亚像素的亚像素对应的液晶区域形成的畴区数量，从而进一步改善了可视角度。
进一步示例性地，第三数据信号、第四数据信号和第二数据信号的电压各不相同。这样包括上述子亚像素的亚像素对应的液晶区域至少可以形成四个畴区，这样光线透过液晶后偏转的角度和方向进一步增多，从而进一步改善了可视角度。
下面以显示装置包括如图1所示的阵列基板为例，说明上述驱动方法。该驱动方法示例性地包括：
如图3所示，在第一个扫描时段T1，向第一行的第一子亚像素的薄膜晶体管的栅极连接的扫描信号线Gn输入扫描电压，同时向第二行的第二子亚像素的薄膜晶体管的栅极连接的扫描信号线Gn+1输入扫描电压。
向8条数据信号线Sm-2至Sm+5同时输入数据信号，其中，向第i-1列中第一子亚像素的薄膜晶体管的源极连接的数据信号线Sm-1输入aV，向第i-1列中第二子亚像素的薄膜晶体管的源极连接的数据信号线数据信号线Sm-2输入0.8aV。
向第i列中第一子亚像素的薄膜晶体管的源极连接的数据信号线Sm+1输入bV，向第i列中第二子亚像素的薄膜晶体管的源极连接的数据信号线数据信号线Sm输入0.8bV。
向第i+1列中第一子亚像素的薄膜晶体管的源极连接的数据信号线Sm+3输入cV，向第i+1列中第二子亚像素的薄膜晶体管的源极连接的数据信号线数据信号线Sm+2输入0.8cV。
向第i+2列中第一子亚像素的薄膜晶体管的源极连接的数据信号线Sm+5输入dV，向第i+2列中第二子亚像素的薄膜晶体管的源极连接的数据信号线数据信号线Sm+4输入0.8dV。
其中，i、m、n为正整数，a、b、c、d为正数。
如图3所示，在第二个扫描时段T2，向第三行的第一子亚像素的薄膜晶体管的栅极连接的扫描信号线Gn+2输入扫描电压，同时向第四行的第二 子亚像素的薄膜晶体管的栅极连接的扫描信号线Gn+3输入扫描电压。
向8条数据信号线Sm-2至Sm+5同时输入数据信号，其中，向第i-1列中第一子亚像素的薄膜晶体管的源极连接的数据信号线Sm-1输入fV，向第i-1列中第二子亚像素的薄膜晶体管的源极连接的数据信号线数据信号线Sm-2输入0.8fV。
向第i列中第一子亚像素的薄膜晶体管的源极连接的数据信号线Sm+1输入gV，向第i列中第二子亚像素的薄膜晶体管的源极连接的数据信号线数据信号线Sm输入0.8gV。
向第i+1列中第一子亚像素的薄膜晶体管的源极连接的数据信号线Sm+3输入hV，向第i+1列中第二子亚像素的薄膜晶体管的源极连接的数据信号线数据信号线Sm+2输入0.8hV。
向第i+2列中第一子亚像素的薄膜晶体管的源极连接的数据信号线Sm+5输入jV，向第i+2列中第二子亚像素的薄膜晶体管的源极连接的数据信号线数据信号线Sm+4输入0.8jV。
其中，i、m、n为正整数，f、g、h、j为正数。
这样在不同的扫描时段，重复上述步骤，实现第一行至最后一行的扫描，从而实现在一个扫描周期内一次画面的显示。重复完成多个扫描周期，即可实现连续画面的显示。
需要说明的是，上述只是以一个亚像素包括第一子亚像素和第二子亚像素为例进行说明。一个亚像素包括多个亚像素的驱动方法与上述相同，不再赘述。
以上所述，仅为本公开的具体实施方式，但本公开的保护范围并不局限于此，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，可轻易想到变化或替换，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述权利要求的保护范围为准。
本申请要求于2015年1月8日递交的中国专利申请第201510010272.4号的优先权，在此全文引用上述中国专利申请公开的内容以作为本申请的一部分。

Claims (14)

  1. 一种阵列基板，包括：多个像素单元、多条扫描信号线、多条数据信号线；所述像素单元包括用于显示不同颜色的多个亚像素，所述亚像素包括第一子亚像素和第二子亚像素；所述扫描信号线用于向所述亚像素输入扫描信号；所述多条数据信号线形成多个数据信号线组，所述数据信号线组包括多个亚数据信号线组，所述亚数据信号线组用于向所述亚像素输入数据信号，所述亚数据信号线组包括第一数据信号线和第二数据信号线；
    所述第一子亚像素与所述第一数据信号线相连，所述第一数据信号线用于向所述第一子亚像素输入第一数据信号；所述第二子亚像素与所述第二数据信号线相连，所述第二数据信号线用于向所述第二子亚像素输入第二数据信号；
    且所述第一数据信号的电压为aV，所述第二数据信号的电压取值区间为[0.7aV，aV)∪(aV，1.3aV]，a为正数。
  2. 根据权利要求1所述的阵列基板，其中，所述第一子亚像素和所述第二子亚像素相邻且沿数据信号线方向位于同一排。
  3. 根据权利要求1或2所述的阵列基板，其中，所述第一数据信号线和所述第二数据信号线分置于所述亚像素的两侧。
  4. 根据权利要求1-3中任一项所述的阵列基板，其中，所述第一子亚像素和所述第二子亚像素的面积不同。
  5. 根据权利要求1-4中任一项所述的阵列基板，其中，所述亚像素还包括第三子亚像素和第四子亚像素；所述亚数据信号线组还包括第三数据信号线和第四数据信号线；
    所述第三子亚像素与所述第三数据信号线相连，所述第三数据线用于向所述第三子亚像素输入第三数据信号；所述第四子亚像素与所述第四数据信号线相连，所述第四数据线用于向所述第四子亚像素输入第四数据信号，且所述第三数据信号和所述第四数据信号的电压取值范围为0.7aV-1.3aV，a为正数。
  6. 根据权利要求5所述的阵列基板，其中，在所述多条扫描信号线形成多行、所述多条数据信号线形成多列的情况下，所述第一子亚像素、所述第 二子亚像素、所述第三子亚像素以及所述第四子亚像素沿扫描信号线方向位于相邻的两行，且沿数据信号线方向位于相邻的两列；
    或者，在所述多条扫描信号线形成多列、所述多条数据信号线形成多行的情况下，所述第一子亚像素、所述第二子亚像素、所述第三子亚像素以及所述第四子亚像素沿扫描信号线方向位于相邻的两列，且沿数据信号线方向位于相邻的两行。
  7. 根据权利要求5或6所述的阵列基板，其中，所述第三数据信号、所述第四数据信号和所述第二数据信号的电压各不相同。
  8. 根据权利要求5-7中任一项所述的阵列基板，其中，所述第一子亚像素、所述第二子亚像素、所述第三子亚像素和所述第四子亚像素的面积各不相同。
  9. 根据权利要求1-8中任一项所述的阵列基板，其中，在所述多条扫描信号线形成多行、所述多条数据信号线形成多列的情况下，相邻两行且位于同一列的属于同一个亚像素的子亚像素通过同一扫描信号线输入扫描信号；或者，
    在所述多条扫描信号线形成多列、所述多条数据信号线形成多行的情况下，相邻两列且位于同一行的属于同一个亚像素的子亚像素通过同一扫描信号线输入扫描信号。
  10. 一种显示装置，包括权利要求1-9任一项所述的阵列基板。
  11. 根据权利要求10所述的显示装置，其中，所述显示装置还包括与所述像素单元对应的公共电极，且对应于所述像素单元的亚像素的公共电极的电压相同。
  12. 一种显示装置的驱动方法，所述显示装置包括阵列基板，所述阵列基板包括：多个像素单元、多条扫描信号线、多条数据信号线；所述像素单元包括用于显示不同颜色的多个亚像素，所述亚像素包括第一子亚像素和第二子亚像素；所述多条数据信号线形成多个数据信号线组，所述数据信号线组包括多个亚数据信号线组，所述亚数据信号线组用于向所述亚像素输入数据信号，所述亚数据信号线组包括第一数据信号线和第二数据信号线，所述第一子亚像素与所述第一数据信号线相连，所述第二子亚像素与所述第二数据信号线相连；
    所述驱动方法包括：
    在一个扫描时段，所述扫描信号线向属于同一所述亚像素的第一子亚像素和第二子亚像素输入扫描信号；
    所述亚数据信号线组向所述亚像素输入数据信号，其中，所述第一数据信号线向所述第一子亚像素输入第一数据信号，所述第二数据信号线向所述第二子亚像素输入第二数据信号，且所述第一数据信号的电压为aV，所述第二数据信号的电压取值区间为[0.7aV，aV)∪(aV，1.3aV]，a为正数。
  13. 根据权利要求12所述的驱动方法，其中，所述亚像素还包括第三子亚像素和第四子亚像素；所述亚数据信号线组还包括第三数据信号线和第四数据信号线，所述第三子亚像素与所述第三数据信号线相连，所述第四子亚像素与所述第四数据信号线相连；
    所述扫描信号线还向所述第三子亚像素和所述第四子亚像素输入扫描信号，所述第三数据线向所述第三子亚像素输入第三数据信号，所述第四数据线向所述第四子亚像素输入第四数据信号，且所述第三数据信号和所述第四数据信号的电压取值范围为0.7aV-1.3aV，a为正数。
  14. 根据权利要求13所述的驱动方法，其中，所述第三数据信号、所述第四数据信号和所述第二数据信号的电压各不相同。
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EP3246751A1 (en) 2017-11-22
CN104503180B (zh) 2017-11-07
US9784997B2 (en) 2017-10-10

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