WO2018077006A1 - 一种像素阵列、显示面板、显示装置及驱动方法 - Google Patents

一种像素阵列、显示面板、显示装置及驱动方法 Download PDF

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Publication number
WO2018077006A1
WO2018077006A1 PCT/CN2017/104374 CN2017104374W WO2018077006A1 WO 2018077006 A1 WO2018077006 A1 WO 2018077006A1 CN 2017104374 W CN2017104374 W CN 2017104374W WO 2018077006 A1 WO2018077006 A1 WO 2018077006A1
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Prior art keywords
pixel
sub
pixels
group
adjacent
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PCT/CN2017/104374
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English (en)
French (fr)
Inventor
蒋璐霞
吴渊
杨富成
韩文出
李建军
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京东方科技集团股份有限公司
成都京东方光电科技有限公司
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Priority to US15/777,726 priority Critical patent/US10621900B2/en
Publication of WO2018077006A1 publication Critical patent/WO2018077006A1/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
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual 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
    • G09G3/22—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]
    • 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
    • G09G3/2092—Details of a display terminals using a flat panel, the details relating to the control arrangement of the display terminal and to the interfaces thereto
    • 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
    • G09G2300/0421—Structural details of the set of electrodes
    • G09G2300/0426—Layout of electrodes and connections
    • 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
    • G09G2300/0452—Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components
    • 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
    • G09G2300/0465—Improved aperture ratio, e.g. by size reduction of the pixel circuit, e.g. for improving the pixel density or the maximum displayable luminance or brightness
    • 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
    • G09G2320/0242—Compensation of deficiencies in the appearance 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
    • G09G3/34—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 invention relates to the field of display technologies, and in particular, to a pixel array, a display panel, a display device, and a driving method.
  • AMOLED Active Matrix Organic Light Emitting Diode
  • the principle of AMOLED autonomous illumination includes: using an indium tin oxide semiconductor (ITO) electrode and a metal electrode fabricated on the backplane as anodes and cathodes of the device, respectively, and evaporating the organic semiconductor material and the luminescent material onto the substrate.
  • ITO indium tin oxide semiconductor
  • metal electrode fabricated on the backplane as anodes and cathodes of the device, respectively, and evaporating the organic semiconductor material and the luminescent material onto the substrate.
  • ITO indium tin oxide semiconductor
  • metal electrode fabricated on the backplane
  • electrons and holes migrate to the light-emitting layer through the electron and hole transport layers, respectively, and meet in the light-emitting layer to form excitons.
  • the luminescent molecules are excited, and the latter emits visible light through radiation relaxation.
  • OLED Organic Light Emitting Diode
  • the embodiment of the invention provides a pixel array, a display panel, a display device and a driving method for solving the problem that the edge sawing phenomenon is serious and the color mixing is easy to occur in the prior art.
  • the present invention provides a pixel array including: a plurality of pixel groups,
  • the pixel group includes six sub-pixels arranged in a column direction, wherein a line connecting the center points of the first, third, and fifth sub-pixels is on a first line, and the second and fourth And connecting a center point of the sixth sub-pixel to a second line different from the first line, and the first line and the second line are parallel to the column direction; wherein, the six The sequential lines of the center points of the sub-pixels are zigzag, and the lines connecting the center points of any two adjacent sub-pixels in the column direction are not perpendicular to the first line; and wherein the pixels The colors of any three adjacent sub-pixels in the column direction in the group are different.
  • the colors of the six sub-pixels in the pixel group are repeatedly set in the order of the first color, the second color, and the third color.
  • the first color, the second color, and the third color are one of red, green, and blue, respectively.
  • the distances of the center points of any two adjacent sub-pixels in the column direction are equal in the pixel group.
  • the pixel array includes a plurality of pixel repeating units arranged in a matrix, each of the pixel repeating units including a first pixel group and a second pixel group arranged in a row direction; and wherein the first pixel The odd-numbered sub-pixels in the group are in the same row as the even-numbered sub-pixels in the second pixel group, and the first pixel group and the second pixel group are shifted by one sub-pixel in the column direction.
  • a distance between a center point of the first sub-pixel in the first pixel group and a center point of the second sub-pixel in the second pixel group is equal to the first The distance between the center points of any two adjacent sub-pixels in the column direction in the pixel group.
  • the distance between any two pixel groups adjacent in the row direction is equal.
  • the pixel array further includes: a white sub-pixel located between any two adjacent columns of pixel repeating units and located between two sub-pixels of the even-numbered rows; and a phase located in each column of pixel repeating units A white sub-pixel between two sub-pixels of the odd-numbered row between two adjacent columns of pixels.
  • the distances of the center points of any two adjacent sub-pixels, including white sub-pixels, in the same row are equal.
  • the distances of the center points of any two adjacent sub-pixels, including white sub-pixels, in the same column are equal.
  • a line connecting the center points of the fourth sub-pixel is a regular hexagon
  • the third, fourth, and fifth sub-pixels in the first pixel group and the fourth and fifth in the second pixel group is a regular hexagon
  • the center point of the white sub-pixel is at the center of the regular hexagon.
  • the invention provides a display panel comprising a pixel array as described above.
  • the present invention provides a display device comprising the display panel as described above.
  • the present invention provides a driving method of a display panel as described above, wherein, in each column of pixel groups, two adjacent sub-pixels are one pixel unit; and the method includes sequentially driving Each of the pixel units emits light, and when driving each of the pixel units, simultaneously driving one sub-pixel of the next pixel unit in the column direction that is different in color from the two sub-pixels in the driven pixel unit .
  • the driving method includes, in each column of pixel groups, at least a second pixel unit to a sub-pixel in the penultimate pixel unit being driven to emit light twice.
  • the driving method includes driving only the white sub-pixels to emit light when displaying a grayscale picture when the white sub-pixels are disposed in the pixel array.
  • each pixel group includes six sub-pixels arranged in a column direction, wherein the center points of the first, third, and fifth sub-pixels
  • the line is on the first line, and the center points of the second, fourth, and sixth sub-pixels are connected on a second line different from the first line, and the first line and the second line are parallel In the column direction;
  • the line connecting the center points of the six sub-pixels is zigzag, and the line connecting the center points of any two adjacent sub-pixels in the column direction is not perpendicular to the first line, that is, the six sub-images are in a dot shape. Misplaced arrangement.
  • the edge aliasing phenomenon can be reduced; and since the colors of any adjacent three sub-pixels in the column direction in the pixel group are different, the color mixing phenomenon can be improved compared to the sub-pixel having only one color in the same column in the prior art. .
  • 1 is a schematic structural view of a conventional pixel array
  • FIG. 2 is a schematic diagram showing an image edge sawing phenomenon when a conventional pixel array is displayed
  • FIG. 3 is a schematic structural diagram of a pixel array according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of image edge sawing phenomenon when a pixel array is displayed according to an embodiment of the present invention
  • FIG. 5 is a schematic structural diagram of another pixel array according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of another pixel array according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic diagram of a shared display sub-pixel when a display panel is driven according to an embodiment of the present invention.
  • An embodiment of the present invention provides a pixel array, as shown in FIG. 3, including a plurality of pixel groups 10.
  • the pixel group 10 includes six sub-pixels 11 arranged in the column direction.
  • the lines connecting the center points of the first, third, and fifth sub-pixels 11 are on the first line a, and the center points of the second, fourth, and sixth sub-pixels 11 are different from the first line.
  • On the second straight line b of the straight line a, and the first straight line a and the second straight line b are parallel to the column direction.
  • the sequential lines of the center points of the six sub-pixels 11 are zigzagged, and the line connecting the center points of any two adjacent sub-pixels 11 in the column direction is not perpendicular to the first straight line a.
  • the color of any adjacent three sub-pixels 11 in the column direction in the pixel group 10 is different.
  • the lines connecting the center points of the first, third, and fifth sub-pixels are on the first line, and the center points of the second, fourth, and sixth sub-pixels are different in the line.
  • On the second straight line of the first straight line, and the first straight line and the second straight line are parallel to the column direction.
  • the line connecting the center points of the six sub-pixels is zigzag, and the line connecting the center points of any two adjacent sub-pixels in the column direction is not perpendicular to the first line, that is, the six sub-images are arranged in a dot-like misalignment.
  • the edges of the display pattern are relatively smooth, so that edge aliasing can be reduced.
  • due to the color of any adjacent three sub-pixels in the column direction in the pixel group The colors are different, and the color mixing phenomenon can be improved compared to the sub-pixels having only one color in the same column in the prior art.
  • the color of the six sub-pixels in the pixel group is repeatedly set in the order of the first color, the second color, and the third color, that is, the colors of the six sub-pixels are the first color, the second color, the third color, the first color, and the first Two colors and a third color.
  • the first color, the second color, and the third color may be one of red, green, and blue, respectively. That is, one pixel group includes two red sub-pixels, two green sub-pixels, and two blue sub-pixels.
  • the distance between the center points of any two adjacent sub-pixels in the column direction is equal in the pixel group, for example, the distance between the center point of the first sub-pixel and the center line point of the second sub-pixel is equal to the center point and the third of the second sub-pixel The distance from the center point of the subpixel.
  • the pixel array includes a plurality of pixel repeating units 1 arranged in a matrix.
  • Each pixel repeating unit 1 includes two pixel groups 10 arranged in the row direction.
  • the odd-numbered sub-pixels 11 in the first pixel group 10a are located in the same row as the even-numbered sub-pixels 11 in the second pixel group 10b, and the first pixel group 10a and the second pixel group are shifted by one sub-pixel 11 in the column direction.
  • the sub-pixels located in the middle of the two columns of pixel groups in each column of pixel repeating units are axially symmetrically disposed. Since the line connecting the center points of the sub-pixels in each column pixel group is saw-toothed, the connection between the adjacent three sub-pixels in the first pixel group 10a and the center points of the adjacent three sub-pixels in the second pixel group 10b is made.
  • a hexagon is formed, and each hexagon in the pixel array is closely arranged with the surrounding hexagon, and there is no blind area in which the pixels are arranged, thereby facilitating an increase in resolution.
  • the distance s1 between the center point of the first sub-pixel 11 in the first pixel group 10a and the center point of the second sub-pixel 11 in the second pixel group 10b is equal to the first A distance s2 between the center points of any two adjacent sub-pixels 11 in the pixel group 10a.
  • the equivalent of the hexagon formed is a regular hexagon, which maximizes the resolution.
  • the distance between two pixel groups adjacent in the row direction is equal.
  • the sub-pixels located in the middle of any two adjacent columns of pixel groups are axially symmetrically arranged in position, thereby ensuring uniformity of distribution of all sub-pixels in the pixel array.
  • the pixel array further includes: a white sub-pixel 12 between any two adjacent columns of pixel repeating units 1 and located between two sub-pixels 11 of the even-numbered rows; and is located in each column of pixel repeating units 1. Two of the adjacent two columns of pixel groups 10 and located in the odd-numbered rows The white sub-pixel 12 between the sub-pixels 11. This is equivalent to setting a white sub-pixel in the hexagon, and there is no color edge phenomenon when displaying white text or graphics, and can be realized by driving only white sub-pixels when displaying a gray scale picture, thereby reducing power consumption.
  • the distances between the center points of any two adjacent sub-pixels including the white sub-pixel in the same row are equal, that is, the distance between two adjacent sub-pixels in the same row is equal to the distance between the adjacent sub-pixel and the white sub-pixel. of.
  • the distances of the center points of any two adjacent sub-pixels including the white sub-pixel in the same column are equal. This is equivalent to the center point of each white sub-pixel being at the center of the regular hexagon.
  • the pixel array provided by the embodiment of the present invention is described below by using a specific embodiment.
  • the second, third, and fourth of the first, second, and third sub-pixels 11 and the second pixel group 10b of at least the first pixel group 10a in the pixel repeating unit 1 The line connecting the center points of the sub-pixels 11 is a regular hexagon.
  • the line connecting the third, fourth, and fifth sub-pixels 11 in the first pixel group 10a with the center points of the fourth, fifth, and sixth sub-pixels 11 in the second pixel group 10b is a positive hexagonal shape.
  • the center point of the white sub-pixel 12 is located at the center of the regular hexagon.
  • the center point lines of the six sub-pixels in the pixel array form a regular hexagon, and each regular hexagon shares two sub-pixels with the adjacent regular hexagon.
  • the white sub-pixels are arranged at the center of the regular hexagon, so that the sub-pixels are closely arranged, and there is no blind area of the pixel arrangement, thereby facilitating an increase in resolution. Setting the white sub-pixel not only improves the display effect, but also displays the gray-scale image by driving only the white sub-pixels, thereby reducing power consumption.
  • each sub-pixel may be circular, multi-deformed, etc., and is not limited herein.
  • the corresponding sides of adjacent sub-pixels are preferably parallel.
  • an embodiment of the present invention further provides a display panel, including any of the above pixel arrays provided by the embodiments of the present invention.
  • Other indispensable components of the display panel are understood by those skilled in the art, and are not described herein, nor should they be construed as limiting the invention. Since the principle of solving the problem of the display panel is similar to that of the above pixel array, the implementation of the display panel can be referred to the implementation of the above pixel array, and the repeated description is omitted.
  • the display panel provided by the embodiment of the present invention may be a liquid crystal display panel or an organic light emitting diode display panel, which is not limited herein.
  • an embodiment of the present invention further provides a display device, including any of the above display panels provided by the embodiments of the present invention.
  • the display device can be any product or component having a display function, such as a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, a navigator, and the like.
  • a display function such as a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, a navigator, and the like.
  • an embodiment of the present invention provides a driving method of the above display panel. As shown in FIG. 7, in each column of pixel groups, two adjacent sub-pixels are used as one pixel unit 2.
  • the method includes sequentially driving each of the pixel units 2 to emit light, and simultaneously driving two sub-pixels in a driven pixel unit in a next pixel unit in a column direction while driving each of the pixel units to emit light.
  • One sub-pixel with a different color emits light. .
  • each column of pixel groups two adjacent sub-pixels are used as one pixel unit.
  • Each of the pixel units is sequentially driven to emit light, and while driving each of the pixel units to emit light, one sub-pixel in the next pixel unit in the column direction that is different in color from the two sub-pixels in the driven pixel unit is simultaneously driven to emit light.
  • two pixel units share one sub-pixel, which can improve the virtual display resolution of the screen.
  • each column of pixel groups at least a second pixel unit to a sub-pixel in the penultimate pixel unit are driven to emit light twice.
  • a white sub-pixel when a white sub-pixel is disposed in a pixel structure: only white sub-pixel illumination is driven when displaying each frame gray scale picture.
  • the white sub-pixels are provided in the pixel structure to improve the display effect when displaying a color picture, and to reduce power consumption when displaying a gray-scale picture.
  • each pixel group includes six sub-pixels arranged in a column direction, wherein the center points of the first, third, and fifth sub-pixels
  • the line is on the first line, and the center points of the second, fourth, and sixth sub-pixels are connected on a second line different from the first line, and the first line is parallel to the second line Column direction.
  • the line connecting the center points of the six sub-pixels is zigzag, and the line connecting the center points of any two adjacent sub-pixels in the column direction is not perpendicular to the first line, that is, the six sub-images are arranged in a dot-like manner. This can reduce edge aliasing.
  • the colors of any three adjacent sub-pixels in the column direction are different in the pixel group, the color mixing phenomenon can be improved compared to the sub-pixels having only one color in the same column in the prior art.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Electroluminescent Light Sources (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

一种像素阵列，包括：多个像素组（10），像素组（10）包括六个沿列方向排列的子像素（11），第一个、第三个和第五个子像素（11）的中心点的连线在第一直线（a）上，第二个、第四个和第六个子像素（11）的中心点连线在不同于第一直线（a）的第二直线（b）上，且第一直线（a）和第二直线（b）平行于列方向；六个子像素（11）的中心点的依次连线呈锯齿形，且在列方向上任意相邻两个子像素（11）的中心点的连线不垂直于第一直线（a）；其中，像素组（10）中在列方向上任意相邻三个子像素（11）的颜色均不同。还提供了一种显示面板、显示装置及驱动方法。

Description

一种像素阵列、显示面板、显示装置及驱动方法
相关申请
本申请要求享有2016年10月25日提交的中国实用新型专利申请No.201610961320.2的优先权，其全部公开内容通过引用并入本文。
技术领域
本发明涉及显示技术领域，尤指一种像素阵列、显示面板、显示装置及驱动方法。
背景技术
在手机和平板显示技术中，有源矩阵有机发光二极管(Active Matrix Organic Light Emitting Diode，AMOLED)面板由于其自主发光、色彩鲜艳、低功耗、广视角等优点将逐渐成为下一代显示器的主流。
AMOLED自主发光的原理包括：将背板上制作的铟锡氧化物半导体(ITO)电极和金属电极分别作为器件的阳极和阴极，将有机半导体材料和发光材料蒸镀到基板上。在电压驱动下，电子和空穴分别从阴极和阳极注入到电子和空穴传输层，电子和空穴分别经过电子和空穴传输层迁移到发光层，并在发光层中相遇，形成激子并使发光分子激发，后者经过辐射弛豫而发出可见光。
目前人们对手机或者平板的分辨率和亮度要求越来越高，但要生产高质量、高分辨率的有机发光二极管(Organic Light Emitting Diode，OLED)显示屏，仍然面临重重挑战。对于高分辨率的AMOLED来说，如图1所示的传统的条状排列的像素阵列中，红、绿、蓝(R、G、B)三列子像素重复排列。在显示时，如图2所示，边缘锯齿现象严重，并且由于在每一列中仅有一种颜色的子像素，还容易发生混色。
发明内容
本发明实施例提供一种像素阵列、显示面板、显示装置及驱动方法，用以解决现有技术中存在的显示时边缘锯齿现象严重和容易发生混色的问题。
在一个方面，本发明提供一种像素阵列，包括：多个像素组，所 述像素组包括六个沿列方向排列的子像素，其中，第一个、第三个和第五个所述子像素的中心点的连线在第一直线上，第二个、第四个和第六个所述子像素的中心点连线在不同于第一直线的第二直线上，且所述第一直线和所述第二直线平行于列方向；其中，六个所述子像素的中心点的依次连线呈锯齿形，且在列方向上任意相邻两个所述子像素的中心点的连线不垂直于所述第一直线；并且其中，所述像素组中在列方向上任意相邻三个所述子像素的颜色均不同。
在一个实施例中，所述像素组中六个所述子像素的颜色按照第一颜色、第二颜色和第三颜色的顺序重复设置。
在一个实施例中，所述第一颜色、所述第二颜色和所述第三颜色分别为红色、绿色和蓝色中的一种颜色。
在一个实施例中，所述像素组中在列方向上任意相邻两个所述子像素的中心点的距离相等。
在一个实施例中，所述像素阵列包括呈矩阵排列的多个像素重复单元，每个所述像素重复单元包括沿行方向排列的第一像素组和第二像素组；并且其中，第一像素组中第奇数个子像素与所述第二像素组中第偶数个子像素位于同一行，且所述第一像素组与所述第二像素组在列方向上错开一个子像素。
在一个实施例中，所述像素重复单元中，第一像素组中第一个子像素的中心点与所述第二像素组中的第二个子像素的中心点的距离，等于所述第一像素组中在列方向上任意相邻两个子像素的中心点之间的距离。
在一个实施例中，相邻两列像素重复单元中，任意在行方向上相邻的两个像素组之间的距离相等。
在一个实施例中，所述像素阵列还包括：位于任意相邻两列像素重复单元之间且位于第偶数行的两个子像素之间的白色子像素；以及位于各列像素重复单元中的相邻两列像素组之间且位于第奇数行的两个子像素之间的白色子像素。
在一个实施例中，同一行中包括白色子像素在内的任意相邻两个子像素的中心点的距离相等。
在一个实施例中，同一列中包括白色子像素在内的任意相邻两个子像素的中心点的距离相等。
在一个实施例中，所述像素重复单元中至少所述第一像素组中的第一个、第二个和第三个子像素与所述第二像素组中的第二个、第三个和第四个子像素的中心点的连线为正六边形，所述第一像素组中的第三个、第四个和第五个子像素与所述第二像素组中的第四个、第五个和第六个子像素的中心点的连线为正六边形；所述白色子像素的中心点位于所述正六边形的中心。
在另一个方面，本发明提供一种显示面板，包括如上所述的像素阵列。
在另一个方面，本发明提供一种显示装置，包括如上所述的显示面板。
在另一个方面，本发明提供一种如上所述的显示面板的驱动方法，其中，在每一列像素组中，以相邻的两个所述子像素为一个像素单元；所述方法包括依次驱动各所述像素单元发光，且在驱动每一所述像素单元发光时，同时驱动在列方向上的下一像素单元中的与被驱动的像素单元中的两个子像素颜色不同的一个子像素发光。
在一个实施例中，所述驱动方法包括在每一列像素组中，至少第二个像素单元至倒数第二个像素单元中的子像素被驱动发光两次。
在一个实施例中，所述驱动方法包括当所述像素阵列中设置有白色子像素时，在显示灰阶画面时仅驱动所述白色子像素发光。
本发明实施例提供的上述像素阵列、显示面板、显示装置及驱动方法，由于各像素组包括六个沿列方向排列的子像素，其中第一个、第三个和第五个子像素的中心点的连线在第一直线上，第二个、第四个和第六个子像素的中心点连线在不同于第一直线的第二直线上，且第一直线和第二直线平行于列方向；六个子像素的中心点的依次连线呈锯齿形，且在列方向上任意相邻两个子像素的中心点的连线不垂直于第一直线，即六个子像呈点状的错位排列。因此，可以减小边缘锯齿现象；并且由于该像素组中在列方向上任意相邻三个子像素的颜色均不同，相比现有技术中同一列仅有一种颜色的子像素，可以改善混色现象。
附图说明
图1为现有的像素阵列的结构示意图；
图2为现有的像素阵列在显示时出现图像边缘锯齿现象的示意图；
图3为本发明实施例提供的一种像素阵列的结构示意图；
图4为本发明实施例提供的像素阵列在显示时出现图像边缘锯齿现象的示意图；
图5为本发明实施例提供的另一种像素阵列的结构示意图；
图6为本发明实施例提供的另一种像素阵列的结构示意图；
图7为本发明实施例提供的显示面板在驱动时共用子像素的示意图。
具体实施方式
为了使本发明的目的、技术方案和优点更加清楚，下面将结合附图对本发明作进一步地详细描述。显然，所描述的实施例仅是本发明一部分实施例，而不是全部的实施例。基于各个实施例，本领域普通技术人员在没有做出创造性劳动的前提下所获得的所有其它实施例，都属于本发明保护的范围。
附图中各部件的形状和大小不反映真实比例，目的只是示意说明本发明内容。
本发明实施例提供一种像素阵列，如图3所示，包括多个像素组10。像素组10包括六个沿列方向排列的子像素11。第一个、第三个和第五个子像素11的中心点的连线在第一直线a上，第二个、第四个和第六个子像素11的中心点连线在不同于第一直线a的第二直线b上，并且第一直线a与第二直线b平行于列方向。六个子像素11的中心点的依次连线呈锯齿形，且在列方向上任意相邻两个子像素11的中心点的连线不垂直于第一直线a。像素组10中在列方向上任意相邻三个子像素11的颜色均不同。
在各像素组中，第一个、第三个和第五个子像素的中心点的连线在第一直线上，第二个、第四个和第六个子像素的中心点连线在不同于第一直线的第二直线上，且第一直线与第二直线平行于列方向。六个子像素的中心点的依次连线呈锯齿形，且在列方向上任意相邻两个子像素的中心点的连线不垂直于第一直线，即六个子像呈点状的错位排列。如图4所示，显示图形的边缘较为平滑，因此可以减小边缘锯齿现象。而且，由于该像素组中在列方向上任意相邻三个子像素的颜 色均不同，相比现有技术中同一列仅有一种颜色的子像素，可以改善混色现象。
像素组中六个子像素的颜色按照第一颜色、第二颜色和第三颜色的顺序重复设置，即六个子像素的颜色依次为第一颜色、第二颜色、第三颜色、第一颜色、第二颜色和第三颜色。
在具体实施时，第一颜色、第二颜色和第三颜色分别可以为红色、绿色和蓝色中的一种颜色。即一个像素组中包括两个红色的子像素、两个绿色的子像素和两个蓝色的子像素。
像素组中在列方向上任意相邻两个子像素的中心点的距离相等，例如第一个子像素的中心点和第二个子像素的中线点的距离等于第二个子像素的中心点与第三个子像素的中心点的距离。
如图5所示，像素阵列包括呈矩阵排列的多个像素重复单元1。各像素重复单元1包括沿行方向排列的两个像素组10。
第一像素组10a中第奇数个子像素11与第二像素组10b中第偶数个子像素11位于同一行，且第一像素组10a与第二像素组在列方向上错开一个子像素11。如图5所示，相当于每一列像素重复单元中的两列像素组中位于中间的子像素在位置上呈轴对称设置。由于每一列像素组中的子像素的中心点的连线呈锯齿状，从而使第一像素组10a中相邻三个子像素与第二像素组10b中相邻三个子像素的中心点的连线形成六边形，而像素阵列中每个六边形又与周边的六边形紧密排列，没有像素排布的盲区，从而有利于增加分辨率。
如图5所示，像素重复单元1中，第一像素组10a中第一个子像素11的中心点与第二像素组10b中的第二个子像素11的中心点的距离s1，等于第一像素组10a中任意相邻两个子像素11的中心点之间的距离s2。相当于形成的六边形为正六边形，从而最大限度的提高分辨率。
相邻两列像素重复单元中，任意沿行方向相邻的两个像素组之间的距离相等。相当于任意相邻两列像素组中位于中间的子像素在位置上呈轴对称设置，从而保证像素阵列中所有子像素分布的均匀性。
如图6所示，像素阵列还包括：位于任意相邻两列像素重复单元1之间且位于第偶数行的两个子像素11之间的白色子像素12；以及位于各列像素重复单元1中的相邻两列像素组10之间且位于第奇数行的两 个子像素11之间的白色子像素12。这样相当于在六边形内设置白色子像素，在显示白色文字或图形时无彩边现象，对于显示灰阶画面时可以通过仅驱动白色子像素实现，从而可以降低功耗。
同一行中包括白色子像素在内的任意相邻两个子像素的中心点的距离相等，即同一行中，相邻两个子像素的距离，与相邻的子像素与白色子像素的距离是相等的。
同一列中包括白色子像素在内的任意相邻两个子像素的中心点的距离相等。这样相当于每一白色子像素的中心点位于正六边形的中心。
下面通过一个具体实施例说明本发明实施例提供的像素阵列。
如图6所示，像素重复单元1中至少第一像素组10a中的第一个、第二个和第三个子像素11与第二像素组10b中的第二个、第三个和第四个子像素11的中心点的连线为正六边形。第一像素组10a中的第三个、第四个和第五个子像素11与第二像素组10b中的第四个、第五个和第六个子像素11的中心点的连线为正六边形。白色子像素12的中心点位于正六边形的中心。
这样像素阵列中六个子像素的中心点连线形成正六边形，而每个正六边形与相邻的正六边形共用两个子像素。将白色子像素设置在正六边形的中心，从而使子像素紧密排列，没有像素排布的盲区，从而有利于增加分辨率。设置白色子像素，不仅可以提高显示效果，而且显示灰阶画面时可以通过仅驱动白色子像素来实现，从而可以降低功耗。
在具体实施时，各子像素的形状可以是圆形的，多变形的等，在此不作限定。为了保证开口率，相邻子像素的对应边最好是平行的。
基于同一发明构思，本发明实施例还提供了一种显示面板，包括本发明实施例提供的上述任一种像素阵列。对于该显示面板的其它必不可少的组成部分均为本领域的普通技术人员应该理解具有的，在此不做赘述，也不应作为对本发明的限制。由于该显示面板解决问题的原理与上述像素阵列相似，因此该显示面板的实施可以参见上述像素阵列的实施，重复之处不再赘述。
在具体实施时，本发明实施例提供的上述显示面板可以是液晶显示面板，也可以是有机发光二极管显示面板，在此不作限定。
基于同一发明构思，本发明实施例还提供了一种显示装置，包括本发明实施例提供的上述任一种显示面板。该显示装置可以为：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。该显示装置的实施可以参见上述显示面板的实施例，重复之处不再赘述。
基于同一发明构思，本发明实施例还提供给了一种上述显示面板的驱动方法。如图7所示，在每一列像素组中，以相邻的两个子像素为一个像素单元2。所述方法包括依次驱动各所述像素单元2发光，且在驱动每一所述像素单元发光时，同时驱动在列方向上的下一像素单元中的与被驱动的像素单元中的两个子像素颜色不同的一个子像素发光。。
在每一列像素组中，以相邻的两个子像素为一个像素单元。依次驱动各像素单元发光，且在驱动每一像素单元发光时，同时驱动在列方向上的下一像素单元中的与被驱动的像素单元中的两个子像素颜色不同的一个子像素发光。这样在显示时，两个像素单元共用一个子像素，可以提高屏幕的虚拟显示分辨率。
在本发明实施例提供的上述驱动方法中，在每一列像素组中，至少第二个像素单元至倒数第二个像素单元中的子像素被驱动发光两次。
在本发明实施例提供的上述驱动方法中，当像素结构中设置有白色子像素时：在显示每一帧灰阶画面时仅驱动白色子像素发光。在像素结构中设置有白色子像素可以在显示彩色画面时提高显示效果，在显示灰阶画面时降低功耗。
本发明实施例提供的上述像素阵列、显示面板、显示装置及驱动方法，各像素组包括六个沿列方向排列的子像素，其中第一个、第三个和第五个子像素的中心点的连线在第一直线上，第二个、第四个和第六个子像素的中心点连线在不同于第一直线的第二直线上，且第一直线与第二直线平行于列方向。六个子像素的中心点的依次连线呈锯齿形，且在列方向上任意相邻两个子像素的中心点的连线不垂直于第一直线，即六个子像呈点状的错位排列，这样可以减小边缘锯齿现象。而且由于该像素组中在列方向上任意相邻三个子像素的颜色均不同，相比现有技术中同一列仅有一种颜色的子像素，可以改善混色现象。
显然，本领域的技术人员可以对本发明进行各种改动和变型而不脱离本发明的精神和范围。这样，倘若本发明的这些修改和变型属于本发明权利要求及其等同技术的范围之内，则本发明也意图包含这些改动和变型在内。

Claims (16)

  1. 一种像素阵列，包括：多个像素组，所述像素组包括六个沿列方向排列的子像素，
    其中，第一个、第三个和第五个所述子像素的中心点的连线在第一直线上，第二个、第四个和第六个所述子像素的中心点连线在不同于第一直线的第二直线上，且所述第一直线和所述第二直线平行于列方向；
    其中，六个所述子像素的中心点的依次连线呈锯齿形，且在列方向上任意相邻两个所述子像素的中心点的连线不垂直于所述第一直线；并且
    其中，所述像素组中在列方向上任意相邻三个所述子像素的颜色均不同。
  2. 如权利要求1所述的像素阵列，其中，所述像素组中六个所述子像素的颜色按照第一颜色、第二颜色和第三颜色的顺序重复设置。
  3. 如权利要求2所述像素阵列，其中，所述第一颜色、所述第二颜色和所述第三颜色分别为红色、绿色和蓝色中的一种颜色。
  4. 如权利要求1所述的像素阵列，其中，所述像素组中在列方向上任意相邻两个所述子像素的中心点的距离相等。
  5. 如权利要求4所述的像素阵列，其中，所述像素阵列包括呈矩阵排列的多个像素重复单元，每个所述像素重复单元包括沿行方向排列的第一像素组和第二像素组；并且
    其中，第一像素组中第奇数个子像素与所述第二像素组中第偶数个子像素位于同一行，且所述第一像素组与所述第二像素组在列方向上错开一个子像素。
  6. 如权利要求5所述的像素阵列，其中，所述像素重复单元中，第一像素组中第一个子像素的中心点与所述第二像素组中的第二个子像素的中心点的距离，等于所述第一像素组中在列方向上任意相邻两个子像素的中心点之间的距离。
  7. 如权利要求5所述的像素阵列，其中，相邻两列像素重复单元中，任意在行方向上相邻的两个像素组之间的距离相等。
  8. 如权利要求5所述的像素阵列，还包括：
    位于任意相邻两列像素重复单元之间且位于第偶数行的两个子像素之间的白色子像素；
    位于各列像素重复单元中的相邻两列像素组之间且位于第奇数行的两个子像素之间的白色子像素。
  9. 如权利要求8所述的像素阵列，其中，同一行中包括白色子像素在内的任意相邻两个子像素的中心点的距离相等。
  10. 如权利要求8所述的像素阵列，其中，同一列中包括白色子像素在内的任意相邻两个子像素的中心点的距离相等。
  11. 如权利要求5所述的像素阵列，其中，所述像素重复单元中至少所述第一像素组中的第一个、第二个和第三个子像素与所述第二像素组中的第二个、第三个和第四个子像素的中心点的连线为正六边形，所述第一像素组中的第三个、第四个和第五个子像素与所述第二像素组中的第四个、第五个和第六个子像素的中心点的连线为正六边形；
    所述白色子像素的中心点位于所述正六边形的中心。
  12. 一种显示面板，包括如权利要求1-11任一项所述的像素阵列。
  13. 一种显示装置，包括如权利要求12所述的显示面板。
  14. 一种如权利要求12所述的显示面板的驱动方法，其中，在每一列像素组中，以相邻的两个所述子像素为一个像素单元；
    所述方法包括依次驱动各所述像素单元发光，且在驱动每一所述像素单元发光时，同时驱动在列方向上的下一像素单元中的与被驱动的像素单元中的两个子像素颜色不同的一个子像素发光。
  15. 如权利要求14所述的驱动方法，包括在每一列像素组中，至少第二个像素单元至倒数第二个像素单元中的子像素被驱动发光两次。
  16. 如权利要求14或15所述的驱动方法，包括当所述像素阵列中设置有白色子像素时，在显示灰阶画面时仅驱动所述白色子像素发光。
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