WO2017016169A1 - 像素阵列、显示装置及其显示方法 - Google Patents

像素阵列、显示装置及其显示方法 Download PDF

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Publication number
WO2017016169A1
WO2017016169A1 PCT/CN2015/099332 CN2015099332W WO2017016169A1 WO 2017016169 A1 WO2017016169 A1 WO 2017016169A1 CN 2015099332 W CN2015099332 W CN 2015099332W WO 2017016169 A1 WO2017016169 A1 WO 2017016169A1
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Prior art keywords
pixel
sub
color
adjacent
pixels
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PCT/CN2015/099332
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English (en)
French (fr)
Inventor
郭仁炜
陈东
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京东方科技集团股份有限公司
北京京东方光电科技有限公司
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Priority to US15/123,795 priority Critical patent/US9897874B2/en
Publication of WO2017016169A1 publication Critical patent/WO2017016169A1/zh

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133609—Direct backlight including means for improving the color mixing, e.g. white
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1345—Conductors connecting electrodes to cell terminals
    • G02F1/13452—Conductors connecting driver circuitry and terminals of panels
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/52—RGB geometrical arrangements
    • 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

Definitions

  • Embodiments of the present invention relate to a pixel array, a display device, and a display method thereof.
  • the common pixel design of the display screen is red green blue (RGB) or red green blue white (RGBW) design, three sub-pixels or four sub-pixels are composed of one pixel for display, and the physical resolution is the actual resolution.
  • RGB red green blue
  • RGBW red green blue white
  • An embodiment of the present invention provides a pixel array including a plurality of pixel rows, each odd pixel row including a first color sub-pixel, a second color sub-pixel, and a third color sub-pixel sequentially and repeatedly arranged, each even number
  • the row includes a third color sub-pixel, a first color sub-pixel, and a second color sub-pixel sequentially and repeatedly arranged, wherein
  • Each sub-pixel is a parallelogram in which two opposite bottom sides are parallel to the row direction, and an angle between two opposite sides and a vertical direction of the row direction is greater than 0 degrees and less than or equal to 20 degrees, and
  • the minimum distance of the midpoint of the bottom edge of the boundary of the sub-pixel of the same color close to the boundary between the adjacent pixel rows is greater than 1 sub-pixel width and less than or equal to 3/2 sub-regions. Pixel width.
  • a sub-pixel of the same color in adjacent pixel rows, is near a midpoint of a bottom edge of a boundary between the adjacent pixel rows, and a minimum distance in the row direction is 3/2 sub-pixel widths or 4 /3 sub-pixel width.
  • the pixel array is divided into a plurality of pixel units, each of which includes one sub-pixel, one half sub-pixel adjacent in the row direction, or two sub-pixels adjacent in the row direction.
  • each pixel unit contains one half sub-pixel, each sub-pixel being parallel to The ratio of the side of the row direction to the length of the hypotenuse is 1:1.5.
  • each pixel unit includes two sub-pixels, and the ratio of the sides of the sub-pixels parallel to the row direction to the length of the hypotenuse is 1:2.
  • each pixel unit includes one sub-pixel, and the ratio of the length of the side parallel to the row direction of each sub-pixel to the length of the hypotenuse is 1:1.
  • the angle between the hypotenuse of each sub-pixel and the vertical direction of the row direction is 5-15 degrees.
  • the first color sub-pixel, the second color sub-pixel, and the third color sub-pixel are different colors from each other and their colors are selected from red, green, and blue, respectively.
  • the sides of the sub-pixels in the pixel array have the same tilt direction.
  • Embodiments in accordance with the present invention provide a display device comprising a pixel array in accordance with any of the embodiments of the present invention.
  • a display method of a display device comprising a pixel array, the pixel array comprising a plurality of pixel rows, each odd pixel row comprising a first color sub-pixel and a second sequentially and repeatedly arranged a color sub-pixel and a third color sub-pixel, each even-numbered row comprising a third color sub-pixel, a first color sub-pixel and a second color sub-pixel sequentially and repeatedly arranged, wherein each sub-pixel is a parallelogram, wherein two The opposite bottom edges are parallel to the row direction, the angle between the two opposite sides and the vertical direction of the row direction is greater than 0 degrees and less than or equal to 20 degrees, and in adjacent pixel rows, sub-pixels of the same color are adjacent
  • the minimum distance of the midpoint of the bottom edge of the boundary between the adjacent pixel rows in the row direction is greater than 1 sub-pixel width and less than or equal to 3/2 sub-pixel widths,
  • the pixel array is divided into a plurality of pixel units, each pixel unit comprising at least one sub-pixel,
  • the display method includes:
  • Sub-pixels in the pixel array are sequentially selected as target sub-pixels
  • a midpoint of the two sub-pixels adjacent to the target sub-pixel in the target sub-pixel row direction and a sub-pixel adjacent to the target sub-pixel in the two pixel rows adjacent to the target sub-pixel a quadrangle formed by the midpoints of the shared hypotenuse is selected as a sampling area, wherein the sampling area overlaps with a plurality of pixel units;
  • the actual display information of the target sub-pixel is calculated according to the area ratio of each pixel unit occupying the sampling area and the display information of the same color of the target sub-pixel in each pixel unit.
  • sampling regions of adjacent sub-pixels partially overlap.
  • calculating the actual display information for the target sub-pixel is calculated by the following formula:
  • P is the actual display information of the target sub-pixel
  • n is the number of pixel units included in the sampling area
  • A is the area of the sampling area
  • a i is the area of each pixel unit falling into the sampling area
  • p i Information is displayed for each of the pixel units of the same color as the target sub-pixel.
  • the display method further includes: after calculating the actual display information of the respective target sub-pixels, applying a corresponding voltage to each of the target sub-pixels for image display.
  • each pixel unit is assigned display information of a first color, display information of a second color, and display information of a third color according to an image to be displayed.
  • the display information of the first color, the display information of the second color, and the display information of the third color are respectively brightness values of the respective colors.
  • the first color sub-pixel, the second color sub-pixel, and the third color sub-pixel are different colors from each other and their colors are selected from red, green, and blue, respectively.
  • each sub-pixel in the array of pixels calculates its actual display information from the sample region in addition to the sub-pixels located in the edge region of the pixel array.
  • each pixel unit includes one sub-pixel, one half sub-pixel adjacent in the row direction, or two sub-pixels adjacent in the row direction.
  • the sides of the sub-pixels in the pixel array have the same tilt direction.
  • FIG. 1 shows a schematic diagram of tilted sub-pixels in accordance with an embodiment of the present invention
  • FIG. 2 is a schematic diagram showing a sub-pixel arrangement of a pixel array according to an embodiment of the present invention
  • FIG. 3 shows a schematic diagram of a sampling region of a first color sub-pixel of an even row
  • FIG. 4 is a schematic view showing a pixel unit included in the sampling area shown in FIG. 3;
  • Figure 5 is a diagram showing a sampling area of a first color sub-pixel of an odd number of rows
  • FIG. 6 is a schematic view showing a pixel unit included in the sampling area shown in FIG. 5;
  • Figure 7 shows a schematic diagram of a sampling region of a second color sub-pixel of even rows
  • FIG. 8 is a schematic view showing a pixel unit included in the sampling area shown in FIG. 7;
  • Figure 9 is a diagram showing a sampling area of a second color sub-pixel of odd rows
  • FIG. 10 is a schematic view showing a pixel unit included in the sampling area shown in FIG. 9;
  • Figure 11 is a diagram showing a sampling area of a third color sub-pixel of an even row
  • FIG. 12 is a schematic diagram showing a pixel unit included in the sampling area shown in FIG. 11;
  • Figure 13 is a diagram showing a sampling area of a third color sub-pixel of odd rows
  • FIG. 14 is a schematic view showing a pixel unit included in the sampling area shown in FIG. 13;
  • FIG. 15 is a schematic diagram showing a distribution of first color sub-pixels according to an embodiment of the present invention.
  • FIG. 16 is a schematic diagram showing the distribution of second color sub-pixels according to an embodiment of the present invention.
  • FIG. 17 is a diagram showing a distribution of a third color sub-pixel according to an embodiment of the present invention.
  • Fig. 18 is a diagram showing a pixel unit associated with a sampling area and its display information.
  • each sub-pixel is arranged obliquely.
  • the tilt here means that each sub-pixel has a parallelogram shape, and two opposite sides (bottom sides) of each sub-pixel are parallel to the row direction of the pixel array, and two opposite sides (sides) of the two outer sides are The row directions intersect and are not perpendicular to the row direction. That is, These two sides are hypotenuse and are inclined with respect to the vertical direction of the row direction.
  • a sub-pixel of the same color is closer to a midpoint of a bottom edge of a boundary between the adjacent pixel rows, and a minimum distance in a row direction is greater than 1 sub-pixel width and less than or equal to 3/2 Subpixel width.
  • the sub-pixel width here refers to the side length of the side of each sub-pixel parallel to the row direction.
  • the pixel array includes a first color sub-pixel, a second color sub-pixel, and a third color sub-pixel.
  • the first color sub-pixel, the second color sub-pixel, and the third color sub-pixel are sequentially and repeatedly arranged, and in each even row, the third color sub-pixel, the first color sub-pixel, and the first The two color sub-pixels are sequentially and repeatedly arranged.
  • the pixel array according to the present invention since each sub-pixel is obliquely arranged and arranged in the above-described delta array form, the color shift can be improved and the view angle can be increased.
  • the pixel array according to the embodiment of the present invention cooperates with the setting method of the sampling area and the corresponding display method according to the embodiment of the present invention as follows, so that the distribution of each pixel in the sampling area can be made more uniform. In the pixel borrowing process using the virtual display technology, the original image information can be better restored, and the image display quality is improved.
  • FIG. 1 shows a schematic diagram of a tilted sub-pixel in accordance with an embodiment of the present invention.
  • each sub-pixel has a shape of a parallelogram.
  • the row direction of the sub-pixel arrangement is referred to as a first direction
  • the direction perpendicular to the first direction is referred to as a second direction.
  • a sub-pixel according to an embodiment of the present invention includes a first color sub-pixel, a second color sub-pixel, and a third color sub-pixel, which are labeled as "1", "2", and ", respectively, in the drawings. 3".
  • the first color, the second color, and the third color may be red, green, and blue, respectively.
  • the first color, the second color, and the third color may be green, blue, and red, respectively; the first color, the second color, and the third color may be They are blue, green, and red; the first, second, and third colors can be red, blue, and green, respectively; the first, second, and third colors can be green, blue, and red, respectively.
  • the first color, the second color, and the third color may be green, red, blue, and the like.
  • the first color, the second color, and the third color may be selected from the group consisting of magenta, cyan, and yellow in addition to red, green, and blue.
  • each sub-pixel is intentionally drawn to be inclined in the direction of the left side, however, embodiments according to the present invention are not limited thereto, and each sub-pixel may be inclined in the direction of the right side. That is, each sub-pixel can be tilted in two opposite directions in the row direction of the pixel arrangement.
  • the tilt directions of the individual sub-pixels in the pixel array are the same. That is to say, the oblique sides of all the sub-pixels are inclined to the left or both to the right with respect to the second direction, and the angles of the inclinations are the same.
  • a method of designing a virtual pixel is employed in accordance with an embodiment of the present invention.
  • two sub-pixels adjacent in the first direction correspond to one pixel unit (black frame with a thick solid line); or, as shown in FIG. 1(b), in the first direction
  • An adjacent one-half sub-pixel corresponds to one pixel unit (black frame with a thick solid line); or, as shown in FIG. 1(c), one sub-pixel corresponds to one pixel unit (black frame with a thick solid line).
  • the display resolution is the same, the number of sub-pixels required is correspondingly reduced, and the metal traces in the required column direction are reduced. If the number of sub-pixels is the same, the resolution of the display can be increased as compared with the scheme in which three sub-pixels constitute one pixel unit.
  • the ratio of the short side to the long side of each sub-pixel may be 1:2.
  • the ratio of the short side to the long side of each sub-pixel may be 1:1.5.
  • the side lengths of the four sides of the sub-pixel are equal.
  • the side length of the side of the first direction of each sub-pixel is referred to as the width of the sub-pixel, that is, in the case of FIGS. 1(a) and 1(c), the length of the short side, In the case of Fig. 1(c), it is the side length of any side.
  • a pixel array according to an embodiment of the present invention includes a plurality of pixel rows.
  • Four pixel rows G1, G2, G3, and G4 are schematically illustrated in FIG.
  • the pixel array in the figure is merely schematically shown, and the pixel array according to an embodiment of the present invention is not limited to the number of rows shown in the drawing and the number of sub-pixels in each row.
  • the odd rows G1 and G3 include a first color sub-pixel, a second color sub-pixel, and a third color sub-pixel sequentially and repeatedly arranged
  • the even rows G2 and G4 include a third color sub-pixel sequentially and repeatedly arranged, first Color subpixel and second color subpixel.
  • the sub-pixel arrangement order of each odd row is a first color sub-pixel, a second color sub-pixel, a third color sub-pixel, a first color sub-pixel, a second color sub-pixel, and a third color.
  • Sub-pixels...that is, the first color sub-pixel, the second color sub-pixel, and the third color sub-pixel are sequentially arranged Repeat the arrangement in the row direction for repeating units.
  • the sub-pixel arrangement order of each even row is a third color sub-pixel, a first color sub-pixel, a second color sub-pixel, a third color sub-pixel, a first color sub-pixel, a second color sub-pixel...that is,
  • the third color sub-pixel, the first color sub-pixel, and the second color sub-pixel, which are sequentially arranged, are repeatedly arranged as a repeating unit in the row direction.
  • the G1 and G2 pixel rows are shifted from each other by a sub-pixel width of 1/2, and G3 and G4 are also shifted from each other by a sub-pixel width of 1/2.
  • embodiments in accordance with the present invention are not limited thereto, and the above-described staggered distance may be greater than 0 and less than or equal to 1/2 sub-pixel width.
  • the distance between the two first color sub-pixels in adjacent pixel rows, which are close to the midpoint of the bottom edge of the boundary between the pixel rows G2 and G3 is drawn in thick solid lines. (distance in the row direction) is d.
  • the minimum distance between the midpoints of the bottom edges of the sub-pixels of the same color close to the boundary between the adjacent pixel rows is greater than 1 sub-pixel. Width and less than or equal to 3/2 sub-pixel widths.
  • the above distance is staggered in order to form an arrangement of delta pixels.
  • the above-described staggered manner can prevent overlapping sub-pixels of the same color in adjacent rows in the row direction. Therefore, the arrangement according to the embodiment of the present invention may be that in the adjacent pixel row, the minimum distance of the midpoint of the bottom edge of the boundary between the sub-pixels of the same color close to the boundary between the adjacent pixel rows is greater than 1 in the row direction.
  • the sub-pixel width is less than or equal to 3/2 sub-pixel widths, and is not limited to the specific staggered distance of adjacent pixel rows shown in the figure.
  • the minimum distance of the midpoint of the bottom edge of the boundary of the sub-pixel of the same color close to the boundary between the adjacent pixel rows is 3/2 sub-pixel widths or 4/3 Subpixel width.
  • the angle between the hypotenuse of each sub-pixel and the vertical direction of the row direction is greater than 0 degrees and less than or equal to 20 degrees, for example, the included angle may be 5-15 degrees, 8-12 degrees.
  • each sub-pixel is obliquely arranged and arranged in a delta array form, which can improve color shift and increase view angle.
  • the pixel array according to an embodiment of the present invention in combination with the design and display method of the following sampling area according to an embodiment of the present invention, can make the distribution of pixels in the sampling area more uniform. In the pixel borrowing process using the virtual display technology, the original image information can be better restored, and the image display quality is improved.
  • the design and display manner of the sampling area according to the embodiment of the present invention will be described in detail.
  • each of the pixels includes three primary colors that form various colors.
  • the display method according to an embodiment of the present invention uses one, one half or two sub-pixels as one Virtual pixel units, therefore, there are not actually three primary colors in each pixel unit. Therefore, each pixel unit will borrow the sub-pixels in the peripheral pixel unit for display.
  • the display method of the embodiment of the present invention adopts a quadrangular sampling area, and the sub-pixels adjacent to each other in the row direction and the column direction are shared by the target sub-pixel.
  • First selecting a target sub-pixel the middle point of the two sub-pixels adjacent to the target sub-pixel in the target sub-pixel direction away from the hypotenuse of the target sub-pixel and the two pixel rows adjacent to the target sub-pixel and the target
  • a quadrangle formed by connecting the midpoints of the common hypotenuse of sub-pixels adjacent to the sub-pixel is selected as the sampling region.
  • a plurality of pixel units may be included, where "comprising" means that at least a portion of the pixel unit falls into the sampling area.
  • some pixel units may fall completely within the range of the sampling area, and some of the pixel units have a partial area falling within the used area unit.
  • the above pixel array based on the embodiment of the present invention will be described by taking one half sub-pixel as one pixel unit as an example.
  • Figure 3 shows the sampling area of the first color sub-pixel of an even row (shown by the dashed box). As shown in FIG. 3, the sampling area is a quadrangle.
  • the quadrilateral is obtained by selecting a target sub-pixel (the first color sub-pixel in the dashed box) and two sub-pixels adjacent to each other in the same row (ie, the third color sub-pixel on the left side and the second color on the right side) The midpoint of the outer side (bevel) of the subpixel.
  • the adjacent third color sub-pixel and the second color sub-pixel are far from the midpoint of the hypotenuse of the target sub-pixel; in addition, adjacent to the target sub-pixel in the adjacent row of the target sub-pixel
  • the midpoint of the shared hypotenuse of the subpixel that is, the midpoint of the common hypotenuse adjacent to the target subpixel of the first pixel row and the common hypotenuse of the third color subpixel and in the third
  • the midpoints of the two sub-pixels adjacent in the target sub-pixel row direction away from the hypotenuse of the target sub-pixel and the two pixel rows adjacent to the target sub-pixel are associated with the target sub-pixel
  • the quadrilateral formed by the midpoints of the shared hypotenuses of the adjacent sub-pixels is selected as the sampling area.
  • FIG. 4 shows a schematic diagram of a pixel unit included in the sampling region shown in FIG. 3 (taking one half sub-pixel as one pixel unit as an example).
  • the thick solid line shows the pixel unit having an overlapping area with the above-described sampling area, wherein different pixel units are filled with different patterns to distinguish.
  • the sampling area of the target sub-pixel is display information for the same color as the target sub-pixel in the pixel unit to be considered when calculating the display information of the target sub-pixel. This will be described in more detail in the later display methods.
  • Figure 5 shows the sampling region of the first color sub-pixel of an odd row (shown by the dashed box).
  • the sampling area is a quadrangle.
  • the sampling area is divided in a similar manner to the sampling area of the first color sub-pixel of the even-numbered rows in FIG. 3, and will not be described in detail herein.
  • a midpoint of the two sub-pixels adjacent to the target sub-pixel in the target sub-pixel direction away from the hypotenuse of the target sub-pixel and two pixel rows adjacent to the target sub-pixel are adjacent to the target sub-pixel
  • the quadrilateral formed by the midpoints of the common hypotenuse of the sub-pixels is selected as the sampling area.
  • FIG. 6 is a schematic diagram showing a pixel unit included in the sampling area shown in FIG. 5 (taking one half sub-pixel as one pixel unit as an example).
  • the thick solid line shows the pixel unit having an overlapping area with the above-described sampling area, wherein different pixel units are filled with different patterns to distinguish.
  • Figure 7 shows the sampling area of the second color sub-pixel of an even row (shown by the dashed box). As shown in Figure 7, the sampling area is a quadrilateral. The sampling area is divided in a similar manner to the sampling area of the first color sub-pixel of the even-numbered rows in FIG. 3, and will not be described in detail herein. That is, the midpoints of the two sub-pixels adjacent in the target sub-pixel row direction away from the hypotenuse of the target sub-pixel and the two pixel rows adjacent to the target sub-pixel are associated with the target sub-pixel The quadrilateral formed by the midpoints of the shared hypotenuses of the adjacent sub-pixels is selected as the sampling area.
  • FIG. 8 is a schematic diagram showing a pixel unit included in the sampling area shown in FIG. 7 (taking one half sub-pixel as one pixel unit as an example).
  • the thick solid line shows the pixel unit having an overlapping area with the above-described sampling area, in which different pixel units are filled with different patterns to distinguish.
  • Figure 9 shows a sampling region of a second color sub-pixel of an odd row (shown by a dashed box).
  • the sampling area is a quadrilateral.
  • the sampling area is divided into the even rows in Figure 3.
  • the sampling area of the first color sub-pixel is similarly divided and will not be described in detail here. That is, the midpoints of the two sub-pixels adjacent in the target sub-pixel row direction away from the hypotenuse of the target sub-pixel and the two pixel rows adjacent to the target sub-pixel are associated with the target sub-pixel
  • the quadrilateral formed by the midpoints of the shared hypotenuses of the adjacent sub-pixels is selected as the sampling area.
  • FIG. 10 is a schematic diagram showing a pixel unit included in the sampling area shown in FIG. 9 (taking one half sub-pixel as one pixel unit as an example).
  • the thick solid line shows the pixel unit having an overlapping area with the above-described sampling area, in which different pixel units are filled with different patterns to distinguish.
  • Figure 11 shows the sampling region of a third color sub-pixel of an even row (shown by the dashed box).
  • the sampling area is a quadrilateral.
  • the sampling area is divided in a similar manner to the sampling area of the first color sub-pixel of the even-numbered rows in FIG. 3, and will not be described in detail herein. That is, the midpoints of the two sub-pixels adjacent in the target sub-pixel row direction away from the hypotenuse of the target sub-pixel and the two pixel rows adjacent to the target sub-pixel are associated with the target sub-pixel
  • the quadrilateral formed by the midpoints of the shared hypotenuses of the adjacent sub-pixels is selected as the sampling area.
  • FIG. 12 is a schematic diagram showing a pixel unit included in the sampling area shown in FIG. 11 (taking one half sub-pixel as one pixel unit as an example).
  • the thick solid line shows the pixel unit having an overlapping area with the above-described sampling area, in which different pixel units are filled with different patterns to distinguish.
  • Figure 13 shows the sampling region of a third color sub-pixel of an odd row (shown by the dashed box).
  • the sampling area is a quadrilateral.
  • the sampling area is divided in a similar manner to the sampling area of the first color sub-pixel of the even-numbered rows in FIG. 3, and will not be described in detail herein. That is, the midpoints of the two sub-pixels adjacent in the target sub-pixel row direction away from the hypotenuse of the target sub-pixel and the two pixel rows adjacent to the target sub-pixel are associated with the target sub-pixel
  • the quadrilateral formed by the midpoints of the shared hypotenuses of the adjacent sub-pixels is selected as the sampling area.
  • FIG. 14 is a schematic diagram showing the pixel unit included in the sampling area shown in FIG. 13 (taking one half sub-pixel as one pixel unit as an example). As shown in Figure 14, the thick solid line shows the sampling area described above. A pixel unit having an overlapping area in which different pixel units are filled with different patterns to distinguish. There are two pixel units in adjacent rows above the target sub-pixel, three pixel units in the row of the target sub-pixel, and two pixel units in adjacent rows below the target sub-pixel. Therefore, for the third color sub-pixel of the odd row, a total of 7 pixel units fall within the range of the sampling area.
  • the sampling area is divided by a quadrangle, and more pixel units adjacent to the target sub-pixel are pulled into the sampling area, so that the original can be restored better.
  • the image information can better display the picture when the pixel is borrowed.
  • the sampling area of the display method in accordance with the present invention is used in conjunction with the pixel array of embodiments of the present invention.
  • all the sub-pixels are inclined in the same direction, and the entire pixel array is designed in a delta arrangement.
  • the quadrilateral sampling region of the embodiment of the present invention is combined with the delta arrangement of the embodiment of the present invention, so that the sub-pixel distribution of each sampling region can be made more uniform.
  • the sub-pixel of each color occupies a more uniform area ratio of the sampling area, and the sub-pixels of the respective colors are more evenly distributed in the sampling area. In this case, the color information in the virtual pixels can be better restored, improving the picture display quality.
  • the sampling regions of the first color sub-pixels form a continuous distribution with no sub-pixels missing in the middle.
  • the sampling regions of the second color sub-pixels form a continuous distribution with no sub-pixels missing in the middle.
  • the sampling regions of the third color sub-pixels form a continuous distribution without missing sub-pixels in the middle.
  • most of the intermediate regions of the pixel array can be continuously covered by the sub-pixel sampling regions of each color, except for the edges of the pixel array.
  • the corresponding adjustment can be made according to the sampling region of the intermediate pixel.
  • the sampling region of the sub-pixel of the edge region may be part of the shape of the sampling region of the intermediate sub-pixel.
  • the sampling region shape of the sub-pixel of the edge region may be a shape obtained by first assuming that the sub-pixel is a sampling region of the intermediate sub-pixel and the portion of the drawn sampling region is beyond the boundary of the pixel array.
  • the actual display information of each sub-pixel is calculated based on the display information assigned by the pixel unit in the pixel array.
  • the sub-pixel is selected as the target sub-pixel for sampling area division, and then the sampling is performed according to each pixel unit.
  • the area ratio of the area and the display information of the same color of the target sub-pixel in each pixel unit calculate the actual display information of the target sub-pixel.
  • the calculation method of the actual display information of the first color sub-pixel is described by taking the sampling area shown in FIG. 4, that is, the sampling area of the even-numbered first color sub-pixel as an example.
  • the sampling area is shown enlarged in FIG.
  • the pixel units included in the sampling region of the target sub-pixel are numbered from left to right and top to bottom in order of the first pixel unit, the second pixel unit, the third pixel unit, and the first pixel unit.
  • the display information of red, green, and blue of each pixel unit is represented by R, G, and B, respectively.
  • the original image information of the first pixel unit is R 1 , G 1 and B 1 , the area of the first pixel unit falling into the sampling area is a 1 ;
  • the original image information of the second pixel unit is R 2 , G 2 And B 2 , the area of the second pixel unit falling into the sampling area is a 2 ;
  • the original image information of the third pixel unit is R 3 , G 3 , and B 3 , and the area of the third pixel unit falling into the sampling area is a 3;
  • original image information of the fourth pixel units of R 4, G 4, and B 4, which falls within the area of the fourth pixel cell sampling region is a 4;
  • original image information of the fifth pixel unit is R 5, G 5 and B 5 , the area of the fifth pixel unit falling into the sampling area is a 5 ;
  • the original image information of the sixth pixel unit is R 6 , G 6 and B 6 , and the sixth pixel unit falls into the sampling area
  • the area is a 6 .
  • the actual display information P 1 of the red sub-pixel is:
  • P 1 is the actual display information of the first color (in this example, red) sub-pixel as the target sub-pixel
  • A is the area of the sampling area
  • a 1 to a 6 are each pixel unit falling into the sampling area.
  • the area, R 1 to R 6 is the red pixel display information for each pixel unit.
  • the first color sub-pixel as a red sub-pixel as an example.
  • the actual display information of the target sub-pixel can be calculated by changing the position of R i in the above formula to the blue display information of the pixel unit;
  • the first color sub-pixel For the green sub-pixel the actual display information of the target sub-pixel can be calculated by changing the position of R i in the above formula to the green display information of the pixel unit.
  • the actual display information of the second color sub-pixel and the third color sub-pixel can be calculated, and is not repeated here. description. In this way, it is possible to calculate the actual display information of all the sub-pixels in the pixel array (the sampling regions of the sub-pixels at the edge of the pixel array can be different from the shape of the above-described sampling region).
  • the calculation formula for calculating the display information for any one sub-pixel can be known by the calculation step of the actual display information of the first color sub-pixel described above:
  • P is the actual display information of the target sub-pixel
  • n is the number of pixel units included in the sampling area
  • A is the area of the sampling area
  • a i is the area where each pixel unit falls within the sampling area
  • p i is each Image display information of the same color as the target sub-pixel in the pixel unit (that is, if the target sub-pixel is a red sub-pixel, the red display information of each pixel unit; if the target sub-pixel is a blue sub-pixel, then each The blue display information of the pixel unit; if the target sub-pixel is a green sub-pixel, the green display information for each pixel unit).
  • the display information here can be a brightness value or other suitable type of data.
  • the display method according to an embodiment of the present invention may further include the step of applying a display signal to each sub-pixel according to the calculated actual display information. After each sub-pixel is applied with a display signal, the original image can be displayed. For example, a voltage corresponding to actual display information may be applied to each target sub-pixel for image display. In this way, the image information in the virtual pixel unit is converted into the actual display information of each actual sub-pixel, and the original image is displayed by using the actual pixel display information, thereby saving the number of sub-pixels or increasing the display resolution.
  • the display method according to an embodiment of the present invention may include the following steps:
  • Sub-pixels in the pixel array are sequentially selected as target sub-pixels
  • a midpoint of the two sub-pixels adjacent to the target sub-pixel in the target sub-pixel row direction and a sub-pixel adjacent to the target sub-pixel in the two pixel rows adjacent to the target sub-pixel a quadrangle formed by the midpoints of the shared hypotenuse is selected as a sampling area, wherein the sampling area overlaps with a plurality of pixel units;
  • the actual display information of the target sub-pixel is calculated according to the area ratio of each pixel unit occupying the sampling area and the display information of the same color of the target sub-pixel in each pixel unit.
  • the display method according to an embodiment of the present invention may further include After calculating the actual display luminance values of the respective target sub-pixels, a corresponding voltage is applied to each target sub-pixel to perform image display. Furthermore, the display method according to an embodiment of the present invention may be applied to the above-described pixel array according to an embodiment of the present invention, and the description of the pixel array will not be repeated here.
  • each sub-pixel may include a pixel electrode, a common electrode, a liquid crystal layer, a thin film transistor, etc.; for an OLED display device, each pixel may include an anode, a cathode, an organic light emitting layer, a thin film transistor, and the like. .
  • the display device can be displayed using the display method described above.

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Abstract

一种像素阵列、显示装置及其显示方法。该像素阵列包括多个像素行，每个奇数像素行包括依次且重复排列的第一颜色亚像素(1)、第二颜色亚像素(2)和第三颜色亚像素(3)，每个偶数行包括依次且重复排列的第三颜色亚像素(3)、第一颜色亚像素(1)和第二颜色亚像素(2)。每个亚像素两个相对的底边平行于行方向，两个相对的侧边与行方向的垂直方向之间的夹角大于0度且小于等于20度。在相邻像素行中，相同颜色的亚像素靠近所述相邻像素行之间的边界的底边的中点沿行方向的最小距离大于1个亚像素宽度且小于或等于3/2个亚像素宽度。

Description

像素阵列、显示装置及其显示方法 技术领域
本发明的实施例涉及一种像素阵列、显示装置及其显示方法。
背景技术
目前显示屏常见的像素设计是红绿蓝(RGB)或红绿蓝白(RGBW)设计，三个亚像素或四个亚像素组成一个像素进行显示，物理分辨率就是实际分辨率。但是随着客户对显示屏幕感受要求增加，面板制作商不断地增加面板的像素密度，从设计到制作工艺均向极限挑战。在工艺极限达到最大时，需要其他技术或者设计来增加人眼感受分辨率。
发明内容
根据本发明的实施例提供一种像素阵列，包括多个像素行，每个奇数像素行包括依次且重复排列的第一颜色亚像素、第二颜色亚像素和第三颜色亚像素，每个偶数行包括依次且重复排列的第三颜色亚像素、第一颜色亚像素和第二颜色亚像素，其中，
每个亚像素为平行四边形，其中两个相对的底边平行于行方向，两个相对的侧边与行方向的垂直方向之间的夹角大于0度且小于等于20度，以及
在相邻像素行中，相同颜色的亚像素靠近所述相邻像素行之间的边界的底边的中点沿行方向的最小距离大于1个亚像素宽度且小于或等于3/2个亚像素宽度。
在一些示例中，在相邻像素行中，相同颜色的亚像素靠近所述相邻像素行之间的边界的底边的中点沿行方向的最小距离为3/2个亚像素宽度或4/3个亚像素宽度。
在一些示例中，所述像素阵列被划分为多个像素单元，每个像素单元包括一个亚像素、在行方向上相邻的一个半亚像素或者在行方向上相邻的两个亚像素。
在一些示例中，每个像素单元包含一个半亚像素，每个亚像素的平行于 行方向的边与所述斜边的长度之比为1：1.5。
在一些示例中，每个像素单元包含两个亚像素，每个亚像素的平行于行方向的边与所述斜边的长度之比为1：2。
在一些示例中，每个像素单元包含一个亚像素，每个亚像素的平行于行方向的边与所述斜边的长度之比为1：1。
在一些示例中，每个亚像素的所述斜边与行方向的垂直方向之间的夹角为5-15度。
在一些示例中，所述第一颜色亚像素、第二颜色亚像素和第三颜色亚像素彼此颜色不同且它们的颜色分别选自红色、绿色和蓝色。
在一些示例中，所述像素阵列中的亚像素的侧边的倾斜方向相同。
根据本发明的实施例提供一种显示装置，包括根据本发明任一实施例的像素阵列。
根据本发明的实施例提供一种显示装置的显示方法，该显示装置包括像素阵列，该像素阵列包括多个像素行，每个奇数像素行包括依次且重复排列的第一颜色亚像素、第二颜色亚像素和第三颜色亚像素，每个偶数行包括依次且重复排列的第三颜色亚像素、第一颜色亚像素和第二颜色亚像素，其中，每个亚像素为平行四边形，其中两个相对的底边平行于行方向，两个相对的侧边与行方向的垂直方向之间的夹角大于0度且小于等于20度，以及在相邻像素行中，相同颜色的亚像素靠近所述相邻像素行之间的边界的底边的中点沿行方向的最小距离大于1个亚像素宽度且小于或等于3/2个亚像素宽度，
其中，所述像素阵列被划分成多个像素单元，每个像素单元包括至少一个亚像素，
该显示方法包括：
依次选择所述像素阵列中的亚像素为目标亚像素；
将该目标亚像素行方向上相邻的两个亚像素的远离该目标亚像素的斜边的中点以及与该目标亚像素相邻的两个像素行中与该目标亚像素相邻的亚像素的共用斜边的中点相连构成的四边形选作采样区，其中该采样区与多个像素单元交叠；
根据各个像素单元占该采样区的面积比例以及各个像素单元中与该目标亚像素相同颜色的显示信息计算该目标亚像素的实际显示信息。
在一些示例中，在对所述目标亚像素选取采样区的步骤中，相邻亚像素的采样区部分重叠。
在一些示例中，计算该目标亚像素的实际显示信息通过以下公式来计算：
Figure PCTCN2015099332-appb-000001
其中，P为该目标亚像素的实际显示信息，n为采样区内包含的像素单元的个数，A为采样区的面积，ai为每个像素单元落入采样区内的面积，pi为每个像素单元中与所述目标亚像素相同颜色的图像显示信息。
在一些示例中，显示方法还包括：在计算出各个目标亚像素的实际显示信息之后，对各个目标亚像素施加对应的电压，以进行图像显示。
在一些示例中，每个像素单元根据需要显示的图像被分配第一颜色的显示信息、第二颜色的显示信息和第三颜色的显示信息。
在一些示例中，所述第一颜色的显示信息、第二颜色的显示信息和第三颜色的显示信息分别为相应颜色的亮度值。
在一些示例中，所述第一颜色亚像素、第二颜色亚像素和第三颜色亚像素彼此颜色不同且它们的颜色分别选自红色、绿色和蓝色。
在一些示例中，除位于所述像素阵列的边缘区域的亚像素之外，对所述像素阵列中的每个亚像素根据所述采样区计算其实际显示信息。
在一些示例中，每个像素单元包括一个亚像素、在行方向上相邻的一个半亚像素或者在行方向上相邻的两个亚像素。
在一些示例中，所述像素阵列中的亚像素的侧边的倾斜方向相同。
附图说明
为了更清楚地说明本发明实施例的技术方案，下面将对实施例的附图作简单地介绍，显而易见地，下面描述中的附图仅仅涉及本发明的一些实施例，而非对本发明的限制。
图1示出了根据本发明实施例的倾斜亚像素的示意图；
图2示出了根据本发明实施例的像素阵列的亚像素排列示意图；
图3示出了偶数行的第一颜色亚像素的采样区的示意图；
图4示出了图3所示的采样区内所包含的像素单元的示意图；
图5示出了奇数行的第一颜色亚像素的采样区的示意图；
图6示出了图5所示的采样区内所包含的像素单元的示意图；
图7示出了偶数行的第二颜色亚像素的采样区的示意图；
图8示出了图7所示的采样区内所包含的像素单元的示意图；
图9示出了奇数行的第二颜色亚像素的采样区的示意图；
图10示出了图9所示的采样区内所包含的像素单元的示意图；
图11示出了偶数行的第三颜色亚像素的采样区的示意图；
图12示出了图11所示的采样区内所包含的像素单元的示意图；
图13示出了奇数行的第三颜色亚像素的采样区的示意图；
图14示出了图13所示的采样区内所包含的像素单元的示意图；
图15示出了根据本发明实施例的第一颜色亚像素的分布示意图；
图16示出了根据本发明实施例的第二颜色亚像素的分布示意图；
图17示出了根据本发明实施例的第三颜色亚像素的分布示意图；
图18示出了一个采样区关联的像素单元及其显示信息的示意图。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例的附图，对本发明实施例的技术方案进行清楚、完整地描述。显然，所描述的实施例是本发明的一部分实施例，而不是全部的实施例。基于所描述的本发明的实施例，本领域普通技术人员在无需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。
除非另作定义，此处使用的技术术语或者科学术语应当为本发明所属领域内具有一般技能的人士所理解的通常意义。本发明专利申请说明书以及权利要求书中使用的“第一”、“第二”以及类似的词语并不表示任何顺序、数量或者重要性，而只是用来区分不同的组成部分。同样，“一个”或者“一”等类似词语也不表示数量限制，而是表示存在至少一个。
根据本发明的一些实施例提供了一种异形的delta像素阵列。在该像素阵列中，每个亚像素是倾斜布置的。这里的倾斜是指每个亚像素为平行四边形的形状，每个亚像素的其中两个对边(底边)与像素阵列的行方向平行，而两外两个相对的边(侧边)与行方向相交，且不与行方向垂直。也就是说， 这两个边为斜边且相对于行方向的垂直方向倾斜。此外，在相邻像素行中，相同颜色的亚像素靠近所述相邻像素行之间的边界的底边的中点沿行方向的最小距离大于1个亚像素宽度且小于或等于3/2个亚像素宽度。这里的亚像素宽度是指每个亚像素的平行于行方向的边的边长。该像素阵列包括第一颜色亚像素、第二颜色亚像素和第三颜色亚像素。在每个奇数像素行中，第一颜色亚像素、第二颜色亚像素和第三颜色亚像素依次且重复地排列，在每个偶数行中第三颜色亚像素、第一颜色亚像素和第二颜色亚像素依次且重复地排列。
在根据本发明的像素阵列中，由于每个亚像素倾斜布置且布置成上述delta阵列形式，可以改善色偏并增加可视角。另外，根据本发明实施例的像素阵列配合如下所述的根据本发明实施例的采样区的设置方法以及相应的显示方法，可以使得采样区内各像素分布更加均匀。在利用虚拟显示技术的像素借用过程中能更好地复原原始图像信息，提高图像显示质量。
下面，将结合一些示例对根据本发明实施例的像素阵列及其显示方法进行更详细地描述。
图1示出了根据本发明实施例的倾斜亚像素的示意图。如图1所示，每个亚像素具有平行四边形的形状。为了描述方便，将亚像素排列的行方向称为第一方向，将与第一方向垂直的方向称为第二方向。从图1可以看到，根据本发明实施例的亚像素包括第一颜色亚像素、第二颜色亚像素和第三颜色亚像素，在附图中分别标示为“1”、“2”和“3”。例如，第一颜色、第二颜色和第三颜色可以分别是红色、绿色和蓝色。然而，根据本发明的实施例对此没有特别的限制，例如，第一颜色、第二颜色和第三颜色可以分别是绿色、蓝色和红色；第一颜色、第二颜色和第三颜色可以分别是蓝色、绿色和红色；第一颜色、第二颜色和第三颜色可以分别是红色、蓝色和绿色；第一颜色、第二颜色和第三颜色可以分别是绿色、蓝色和红色；第一颜色、第二颜色和第三颜色可以是绿色、红色和蓝色等。此外，除了红色、绿色和蓝色之外，第一颜色、第二颜色和第三颜色还可以是选自品红、青色和黄色的组合。
如图1所示，每个亚像素的斜边与第二方向之间的夹角θ大于0度且小于或等于20度。例如，该夹角可以为5-15度、8-12度。另外，虽然图中示 意性地画出每个亚像素向着左侧的方向倾斜，然而，根据本发明的实施例不限于此，每个亚像素可以向着右侧的方向倾斜。也就是说，每个亚像素可以沿着像素排列的行方向上的两个相反方向倾斜。然而，像素阵列中各个亚像素的倾斜方向相同。也就是说，所有亚像素的斜边相对于第二方向均向左倾斜或均向右倾斜，且倾斜的角度相同。
在传统的RGB显示中，通常是三个矩形的亚像素组成一个正方形像素单元。因此，每个亚像素的长边与短边之比为3:1。根据本发明的实施例采用虚拟像素的设计方法。如图1(a)所示，在第一方向上相邻的两个亚像素对应一个像素单元(以粗实线黑框)；或者，如图1(b)所示，在第一方向上相邻的一个半亚像素对应一个像素单元(以粗实线黑框)；或者，如图1(c)所示，一个亚像素对应一个像素单元(以粗实线黑框)。采用上述像素设计方法，在显示分辨率相同的情况下，所需的亚像素数目会相应减少，进而所需的列方向上的金属走线会减少。如果亚像素数目相同，与三个亚像素组成一个像素单元的方案相比，则能够增加显示的分辨率。
此外，为了形成两个邻边长度相同的像素单元形状(例如，菱形)，在图1(a)所示的情况下，每个亚像素的短边与长边之比可以为1:2。在图1(b)所示的情况下，每个亚像素的短边和长边之比可以为1:1.5。在图1(c)所示的情况下，亚像素的四个边的边长均相等。为了说明的方便，将每个亚像素的沿第一方向的边的边长称为亚像素的宽度，即，在图1(a)和1(c)的情况下，为短边的长度，在图1(c)的情况下，为任意边的边长。
图2示出了根据本发明实施例的像素阵列的亚像素排列示意图。根据本发明实施例的像素阵列包括多个像素行。图2中示意性地示出了四个像素行G1、G2、G3和G4。然而，需要注意的是，图中的像素阵列仅仅是被示意性地示出，根据本发明实施例的像素阵列并不限于图中所示的行数以及每个行中的亚像素数目。例如，奇数行G1和G3包括依次且重复排列的第一颜色亚像素、第二颜色亚像素和第三颜色亚像素，偶数行G2和G4包括依次且重复排列的第三颜色亚像素、第一颜色亚像素和第二颜色亚像素。例如，在像素阵列中，每个奇数行的亚像素排列顺序是第一颜色亚像素、第二颜色亚像素、第三颜色亚像素、第一颜色亚像素、第二颜色亚像素、第三颜色亚像素…也就是说，依次排列的第一颜色亚像素、第二颜色亚像素和第三颜色亚像素作 为重复单元在行方向上重复排列。每个偶数行的亚像素排列顺序是第三颜色亚像素、第一颜色亚像素、第二颜色亚像素、第三颜色亚像素、第一颜色亚像素、第二颜色亚像素…也就是说，依次排列的第三颜色亚像素、第一颜色亚像素和第二颜色亚像素作为重复单元在行方向上重复排列。
如图2所示，G1和G2像素行彼此错开1/2的亚像素宽度，G3和G4也彼此错开1/2的亚像素宽度。然而，根据本发明的实施例不限于此，上述错开的距离可以大于0且小于或等于1/2亚像素宽度。如图2所示，以粗实线画出了在相邻像素行中的两个第一颜色亚像素，它们的靠近像素行G2和G3之间的边界的底边的中点之间的距离(沿行方向的距离)为d。综合考虑两个相邻像素行中的所有相同颜色的亚像素可知，相同颜色的亚像素靠近所述相邻像素行之间的边界的底边的中点之间的最小距离大于1个亚像素宽度且小于或等于3/2个亚像素宽度。实际上，错开上述距离是为了形成delta像素的排列方式。上述错开的方式能够防止相邻行中相同颜色的亚像素在行方向上有交叠的区域。因此，根据本发明的实施例的排列方式可以是在相邻像素行中，相同颜色的亚像素靠近所述相邻像素行之间的边界的底边的中点沿行方向的最小距离大于1个亚像素宽度且小于或等于3/2个亚像素宽度，并不限于图中所示的相邻像素行具体的错开距离。例如，在相邻像素行中，相同颜色的亚像素靠近所述相邻像素行之间的边界的底边的中点沿行方向的最小距离为3/2个亚像素宽度或4/3个亚像素宽度。例如，每个亚像素的斜边与行方向的垂直方向之间的夹角大于0度且小于等于20度，例如，该夹角可以为5-15度、8-12度。
如上所述，根据本发明的实施例每个亚像素倾斜布置且布置成delta阵列形式，可以改善色偏并增加可视角。另外，根据本发明实施例的像素阵列结合根据本发明实施例的下述采样区的设计以及显示方法，可以使得采样区内各像素分布更加均匀。在利用虚拟显示技术的像素借用过程中能更好地复原原始图像信息，提高图像显示质量。下面，就对根据本发明实施例的采样区的设计以及显示方式进行详细地描述。
如上所述，在传统显示方式中，通常采用RGB三个亚像素或RGBW四个亚像素形成一个像素，因此，每个像素中均包括形成各种颜色的三原色。然而，在根据本发明实施例的显示方法采用一个、一个半或两个亚像素为一 个虚拟像素单元，因此，在每个像素单元中并不是实际存在三原色。因此，每个像素单元均会借用周边像素单元中的亚像素来进行显示。
本发明实施例的显示方法是采用一种四边形采样区，利用目标亚像素在行方向和列方向上相邻的亚像素进行共用。首先选取一个目标亚像素，将该目标亚像素行方向上相邻的两个亚像素的远离该目标亚像素的斜边的中点以及与该目标亚像素相邻的两个像素行中与该目标亚像素相邻的亚像素的共用斜边的中点相连构成的四边形选作采样区。在该采样区中，可以包含数个像素单元，这里的“包含”是指像素单元的至少一部分落入采样区。例如，有些像素单元可以完全落入该采样区的范围内，有些像素单元有部分面积落入该采用区单元内。下面，基于本发明实施例的上述像素阵列，以一个半亚像素作为一个像素单元为例进行描述。
图3示出了一个偶数行的第一颜色亚像素的采样区(由虚线框示出)。如图3所示，该采样区为一个四边形。该四边形通过以下方式得到：选取目标亚像素(虚线框中的第一颜色亚像素)同一行中左右相邻的两个亚像素(即左侧的第三颜色亚像素和右侧的第二颜色亚像素)的外侧边(斜边)的中点。也就是说，相邻的第三颜色亚像素和第二颜色亚像素的远离目标亚像素的斜边的中点；另外，选取在目标亚像素的相邻行中的与该目标亚像素相邻的亚像素的共用斜边的中点，也就是说，在第一像素行的目标亚像素上方相邻的第二颜色亚像素和第三颜色亚像素的公用斜边的中点以及在第三像素行的目标亚像素下方相邻的第二颜色亚像素和第三颜色亚像素的共用斜边的中点。在选取了以上四个边的中点之后，将这四个中点利用线段连接起来，就形成了如图3所示的第一颜色亚像素(目标亚像素)的采样区。也就是说，将该目标亚像素行方向上相邻的两个亚像素的远离该目标亚像素的斜边的中点以及与该目标亚像素相邻的两个像素行中与该目标亚像素相邻的亚像素的共用斜边的中点相连构成的四边形选作采样区。
图4示出了图3所示的采样区内所包含的像素单元的示意图(以一个半亚像素为一个像素单元为例)。如图4所示，粗实线示出了与上述采样区有交叠面积的像素单元，其中不同的像素单元填充了不同的图案以示区分。在目标亚像素(第二行的第一颜色亚像素)上方的相邻行中有两个像素单元，在目标亚像素所在行中有两个像素单元，在目标亚像素下方的相邻行中有两 个像素单元。因此，对于偶数行的第一颜色亚像素，一共有6个像素单元落入了采样区的范围内。目标亚像素的采样区是用于在计算目标亚像素的显示信息时要考虑的像素单元中与目标亚像素相同颜色的显示信息。这在后面的显示方法中将会更加详细地介绍。
图5示出了一个奇数行的第一颜色亚像素的采样区(由虚线框示出)。如图5所示，该采样区为一个四边形。该采样区的划分方式与图3中偶数行的第一颜色亚像素的采样区划分方式类似，这里不再详细介绍。也就是说将该目标亚像素行方向上相邻的两个亚像素的远离该目标亚像素的斜边的中点以及与该目标亚像素相邻的两个像素行中与该目标亚像素相邻的亚像素的共用斜边的中点相连构成的四边形选作采样区。
图6示出了图5所示的采样区内所包含的像素单元的示意图(以一个半亚像素为一个像素单元为例)。如图6所示，粗实线示出了与上述采样区有交叠面积的像素单元，其中不同的像素单元填充了不同的图案以示区分。在目标亚像素上方的相邻行中有两个像素单元，在目标亚像素所在行中有三个像素单元，在目标亚像素下方的相邻行中有两个像素单元。因此，对于偶数行的第一颜色亚像素，一共有7个像素单元落入了采样区的范围内。
图7示出了一个偶数行的第二颜色亚像素的采样区(由虚线框示出)。如图7所示，该采样区为一个四边形。该采样区的划分方式与图3中偶数行的第一颜色亚像素的采样区划分方式类似，这里不再详细介绍。也就是说，将该目标亚像素行方向上相邻的两个亚像素的远离该目标亚像素的斜边的中点以及与该目标亚像素相邻的两个像素行中与该目标亚像素相邻的亚像素的共用斜边的中点相连构成的四边形选作采样区。
图8示出了图7所示的采样区内所包含的像素单元的示意图(以一个半亚像素为一个像素单元为例)。如图8所示，粗实线示出了与上述采样区有交叠面积的像素单元，其中不同的像素单元填充了不同的图案以示区分。在目标亚像素上方的相邻行中有两个像素单元，在目标亚像素所在行中有三个像素单元，在目标亚像素下方的相邻行中有两个像素单元。因此，对于偶数行的第二颜色亚像素，一共有7个像素单元落入了采样区的范围内。
图9示出了一个奇数行的第二颜色亚像素的采样区(由虚线框示出)。如图9所示，该采样区为一个四边形。该采样区的划分方式与图3中偶数行 的第一颜色亚像素的采样区划分方式类似，这里不再详细介绍。也就是说，将该目标亚像素行方向上相邻的两个亚像素的远离该目标亚像素的斜边的中点以及与该目标亚像素相邻的两个像素行中与该目标亚像素相邻的亚像素的共用斜边的中点相连构成的四边形选作采样区。
图10示出了图9所示的采样区内所包含的像素单元的示意图(以一个半亚像素为一个像素单元为例)。如图10所示，粗实线示出了与上述采样区有交叠面积的像素单元，其中不同的像素单元填充了不同的图案以示区分。在目标亚像素上方的相邻行中有两个像素单元，在目标亚像素所在行中有两个像素单元，在目标亚像素下方的相邻行中有两个像素单元。因此，对于奇数行的第二颜色亚像素，一共有6个像素单元落入了采样区的范围内。
图11示出了一个偶数行的第三颜色亚像素的采样区(由虚线框示出)。如图11所示，该采样区为一个四边形。该采样区的划分方式与图3中偶数行的第一颜色亚像素的采样区划分方式类似，这里不再详细介绍。也就是说，将该目标亚像素行方向上相邻的两个亚像素的远离该目标亚像素的斜边的中点以及与该目标亚像素相邻的两个像素行中与该目标亚像素相邻的亚像素的共用斜边的中点相连构成的四边形选作采样区。
图12示出了图11所示的采样区内所包含的像素单元的示意图(以一个半亚像素为一个像素单元为例)。如图12所示，粗实线示出了与上述采样区有交叠面积的像素单元，其中不同的像素单元填充了不同的图案以示区分。在目标亚像素上方的相邻行中有两个像素单元，在目标亚像素所在行中有三个像素单元，在目标亚像素下方的相邻行中有两个像素单元。因此，对于偶数行的第三颜色亚像素，一共有7个像素单元落入了采样区的范围内。
图13示出了一个奇数行的第三颜色亚像素的采样区(由虚线框示出)。如图13所示，该采样区为一个四边形。该采样区的划分方式与图3中偶数行的第一颜色亚像素的采样区划分方式类似，这里不再详细介绍。也就是说，将该目标亚像素行方向上相邻的两个亚像素的远离该目标亚像素的斜边的中点以及与该目标亚像素相邻的两个像素行中与该目标亚像素相邻的亚像素的共用斜边的中点相连构成的四边形选作采样区。
图14示出了图13所示的采样区内所包含的像素单元的示意图(以一个半亚像素为一个像素单元为例)。如图14所示，粗实线示出了与上述采样区 有交叠面积的像素单元，其中不同的像素单元填充了不同的图案以示区分。在目标亚像素上方的相邻行中有两个像素单元，在目标亚像素所在行中有三个像素单元，在目标亚像素下方的相邻行中有两个像素单元。因此，对于奇数行的第三颜色亚像素，一共有7个像素单元落入了采样区的范围内。
如上所述，在根据本发明实施例的显示方法中，采样区采用四边形的形式划分，将与目标亚像素相邻的更多的像素单元拉入到采样区中，这样能够更好地还原原始的图像信息，在像素借用时能够更好地显示画面。更为重要的是，根据本发明显示方法的采样区是配合本发明实施例的像素阵列来使用的。如上所述，根据本发明实施例的像素阵列中，所有亚像素均沿相同的方向倾斜，且整个像素阵列设计为delta排列形式。本发明实施例的上述四边形采样区与本发明实施例的delta排列形式结合，能够使得每个采样区的亚像素分布更加均匀。对于根据本发明实施例的像素阵列的采样区划分，每种颜色的亚像素占这个采样区的面积比例更加均匀，而且，各种颜色的亚像素在采样区内的分布也更加均匀。在这种情况下，虚拟像素中的颜色信息能够更好地还原，提高画面显示质量。
此外，对于本发明实施例的上述采样区，对于每种颜色的亚像素，均能够在像素阵列中形成连续的分布，因此，能够更好地还原原始图像信息。如图15所示，第一颜色亚像素的采样区形成连续分布的形式，中间不会遗漏亚像素。如图16所示，第二颜色亚像素的采样区形成连续分布的形式，中间不会遗漏亚像素。如图17所示，第三颜色亚像素的采样区形成连续分布的形式，中间不会遗漏亚像素。从以上图中看，除了像素阵列的边缘之外，像素阵列的大部分中间区域均能够被每种颜色的亚像素采样区连续覆盖。对于处于边缘区域的亚像素，可以根据中间像素的采样区进行相应地调整。例如，边缘区域的亚像素的采样区可以为中间亚像素的采样区形状的一部分。例如，边缘区域的亚像素的采样区形状可以为先假定该亚像素为中间亚像素画出采样区并将该画出的采样区超出像素阵列边界的部分去除得到的形状。
下面，将描述根据本发明实施例的像素阵列依据上述采样区划分方式进行显示的方法。在该显示方法中，先计算根据像素阵列中像素单元分配的显示信息计算每个亚像素的实际显示信息。计算亚像素的实际显示信息时，将该亚像素选作目标亚像素进行采样区划分，然后根据各个像素单元占该采样 区的面积比例以及各个像素单元中与该目标亚像素相同颜色的显示信息计算该目标亚像素的实际显示信息。
这里，以图4所示的采样区，即偶数行第一颜色亚像素的采样区为例描述该第一颜色亚像素的实际显示信息的计算方法。为了说明的方便，将该采样区放大示出在图18中。如图18所示，将与该目标亚像素的采样区中所包含的像素单元从左至右、从上至下的顺序编号为第一像素单元、第二像素单元、第三像素单元、第四像素单元、第五像素单元和第六像素单元。以R、G和B分别代表每个像素单元的红色、绿色和蓝色的显示信息。那么，第一像素单元的原始图像信息为R1、G1和B1，该第一像素单元落入该采样区的面积为a1；第二像素单元的原始图像信息为R2、G2和B2，该第二像素单元落入该采样区的面积为a2；第三像素单元的原始图像信息为R3、G3和B3，该第三像素单元落入该采样区的面积为a3；第四像素单元的原始图像信息为R4、G4和B4，该第四像素单元落入该采样区的面积为a4；第五像素单元的原始图像信息为R5、G5和B5，该第五像素单元落入该采样区的面积为a5；第六像素单元的原始图像信息为R6、G6和B6，该第六像素单元落入该采样区的面积为a6。
假设上述目标亚像素(第一颜色亚像素)为红色亚像素，那么，该红色亚像素的实际显示信息P1为：
Figure PCTCN2015099332-appb-000002
其中，P1为作为目标亚像素的第一颜色(在该示例中为红色)亚像素的实际显示信息，A为采样区的面积，a1至a6为每个像素单元落入采样区内的面积，R1至R6为每个像素单元的红色像素显示信息。
以上以第一颜色亚像素为红色亚像素为例进行了说明。然而，如果第一颜色亚像素为蓝色亚像素，则可以通过将上述公式中Ri的位置换为像素单元的蓝色显示信息来计算目标亚像素的实际显示信息；如果第一颜色亚像素为绿色亚像素，则可以通过将上述公式中Ri的位置换为像素单元的绿色显示信息来计算目标亚像素的实际显示信息。
同理，根据与上述第一颜色亚像素计算实际显示信息的方法相同的方法，可以计算第二颜色亚像素、第三颜色亚像素的实际显示信息，这里不再重复 描述。这样，就可以计算像素阵列中的全部亚像素(处于像素阵列边缘的亚像素的采样区可以与上述采样区的形状不同)的实际显示信息。通过上述第一颜色亚像素的实际显示信息的计算步骤可以知道，针对任何一个亚像素的计算显示信息的方法公式：
Figure PCTCN2015099332-appb-000003
其中P为目标亚像素的实际显示信息，n为采样区包含的像素单元的个数，A为采样区的面积，ai为每个像素单元落入采样区内的面积，pi为每个像素单元中与目标亚像素相同颜色的图像显示信息(也就是说，如果目标亚像素为红色亚像素，则为各个像素单元的红色显示信息；如果目标亚像素为蓝色亚像素，则为各个像素单元的蓝色显示信息；如果目标亚像素为绿色亚像素，则为各个像素单元的绿色显示信息)。
这里的显示信息可以为亮度值或其他合适类型的数据。根据本发明实施例的显示方法，还可以包括根据计算出的实际显示信息对各个亚像素施加显示信号的步骤。各个亚像素被施加了显示信号之后，就可以显示原始的图像。例如，可以对各个目标亚像素施加对应于实际显示信息的电压以进行图像显示。这样，就将虚拟像素单元中的图像信息转换为各个实际亚像素的实际显示信息，并将利用各个实际像素显示信息显示原始的图像，从而能够节约亚像素个数或者提高显示分辨率。
由此，根据本发明的实施例的显示方法可以包括以下步骤：
依次选择所述像素阵列中的亚像素为目标亚像素；
将该目标亚像素行方向上相邻的两个亚像素的远离该目标亚像素的斜边的中点以及与该目标亚像素相邻的两个像素行中与该目标亚像素相邻的亚像素的共用斜边的中点相连构成的四边形选作采样区，其中该采样区与多个像素单元交叠；
根据各个像素单元占该采样区的面积比例以及各个像素单元中与该目标亚像素相同颜色的显示信息计算该目标亚像素的实际显示信息。
上述采样区的选取方法可以参照上述具体描述。例如，对于采样区中目标亚像素的实际显示信息的计算，可以参照上述实施例描述的计算实际显示信息的方法和公式。此外，根据本发明实施例的显示方法，还可以包括在计 算出各个目标亚像素的实际显示亮度值之后，对各个目标亚像素施加对应的电压，以进行图像显示。此外，根据本发明实施例的显示方法可是适用于根据本发明实施例的上述像素阵列，对于像素阵列的描述这里不再重复。
根据本发明实施例的像素阵列以及像素阵列的显示方法可以用于各种类型的显示装置，例如液晶显示装置或有机发光二极管(OLED)显示装置。根据本发明的实施例还提供一种显示装置，该显示装置包括根据本发明各个实施例的像素阵列。对于液晶显示装置中，每个亚像素的结构可以包括像素电极、公共电极、液晶层、薄膜晶体管等部件；对于OLED显示装置，每个像素可以包括阳极、阴极、有机发光层、薄膜晶体管等部件。对于这里的亚像素结构均可以各种适用的像素结构，根据本发明的实施例对此没有特别限制，这里不再详细描述。根据本发明实施例的显示装置可以采用上述的显示方法进行显示。
以上所述仅是本发明的示范性实施方式，而非用于限制本发明的保护范围，本发明的保护范围由所附的权利要求确定。
本申请要求于2015年7月24日递交的中国专利申请第201510441016.0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 (20)

  1. 一种像素阵列，包括多个像素行，每个奇数像素行包括依次且重复排列的第一颜色亚像素、第二颜色亚像素和第三颜色亚像素，每个偶数行包括依次且重复排列的第三颜色亚像素、第一颜色亚像素和第二颜色亚像素，其中，
    每个亚像素为平行四边形，其中两个相对的底边平行于行方向，两个相对的侧边与行方向的垂直方向之间的夹角大于0度且小于或等于20度，以及
    在相邻像素行中，相同颜色的亚像素靠近所述相邻像素行之间的边界的底边的中点沿行方向的最小距离大于1个亚像素宽度且小于或等于3/2个亚像素宽度。
  2. 根据权利要求1所述的像素阵列，其中，在相邻像素行中，相同颜色的亚像素靠近所述相邻像素行之间的边界的底边的中点沿行方向的最小距离为3/2个亚像素宽度或4/3个亚像素宽度。
  3. 根据权利要求1所述的像素阵列，其中，所述像素阵列被划分为多个像素单元，每个像素单元包括一个亚像素、在行方向上相邻的一个半亚像素或者在行方向上相邻的两个亚像素。
  4. 根据权利要求3所述的像素阵列，其中，每个像素单元包含一个半亚像素，每个亚像素的平行于行方向的边与所述斜边的长度之比为1：1.5。
  5. 根据权利要求3所述的像素阵列，其中，每个像素单元包含两个亚像素，每个亚像素的平行于行方向的边与所述斜边的长度之比为1：2。
  6. 根据权利要求3所述的像素阵列，其中，每个像素单元包含一个亚像素，每个亚像素的平行于行方向的边与所述斜边的长度之比为1：1。
  7. 根据权利要求1所述的像素阵列，其中，每个亚像素的所述斜边与行方向的垂直方向之间的夹角为5-15度。
  8. 根据权利要求1-7中任一项所述的像素阵列，其中，所述第一颜色亚像素、第二颜色亚像素和第三颜色亚像素彼此颜色不同且它们的颜色分别选自红色、绿色和蓝色。
  9. 根据权利要求1-7中任一项的像素阵列，其中，所述像素阵列中的亚像素的侧边的倾斜方向相同。
  10. 一种显示装置，包括根据权利要求1-9中任一项的像素阵列。
  11. 一种显示装置的显示方法，该显示装置包括像素阵列，该像素阵列包括多个像素行，每个奇数像素行包括依次且重复排列的第一颜色亚像素、第二颜色亚像素和第三颜色亚像素，每个偶数行包括依次且重复排列的第三颜色亚像素、第一颜色亚像素和第二颜色亚像素，其中，每个亚像素为平行四边形，其中两个相对的底边平行于行方向，两个相对的侧边与行方向的垂直方向之间的夹角大于0度且小于或等于20度，以及在相邻像素行中，相同颜色的亚像素靠近所述相邻像素行之间的边界的底边的中点沿行方向的最小距离大于1个亚像素宽度且小于或等于3/2个亚像素宽度，
    其中，所述像素阵列被划分成多个像素单元，每个像素单元包括至少一个亚像素，
    该显示方法包括：
    依次选择所述像素阵列中的亚像素为目标亚像素；
    将该目标亚像素行方向上相邻的两个亚像素的远离该目标亚像素的斜边的中点以及与该目标亚像素相邻的两个像素行中与该目标亚像素相邻的亚像素的共用斜边的中点相连构成的四边形选作采样区，其中该采样区与多个像素单元交叠；以及
    根据各个像素单元占该采样区的面积比例以及各个像素单元中与该目标亚像素相同颜色的显示信息计算该目标亚像素的实际显示信息。
  12. 根据权利要求11所述的显示方法，其中，在对所述目标亚像素选取采样区的步骤中，相邻亚像素的采样区部分重叠。
  13. 根据权利要求11所述的显示方法，其中，
    该目标亚像素的实际显示信息通过以下公式来计算：
    Figure PCTCN2015099332-appb-100001
    其中，P为该目标亚像素的实际显示信息，n为采样区内包含的像素单元的个数，A为采样区的面积，ai为每个像素单元落入采样区内的面积，pi为每个像素单元中与所述目标亚像素相同颜色的图像显示信息。
  14. 根据权利要求11-13中任一项所述的显示方法，还包括：在计算出各个目标亚像素的实际显示信息之后，对各个目标亚像素施加对应的电压， 以进行图像显示。
  15. 根据权利要求11-13中任一项所述的显示方法，其中，每个像素单元根据需要显示的图像被分配第一颜色的显示信息、第二颜色的显示信息和第三颜色的显示信息。
  16. 根据权利要求15所述的显示方法，其中，所述第一颜色的显示信息、第二颜色的显示信息和第三颜色的显示信息分别为相应颜色的亮度值。
  17. 根据权利要求11-13中任一项所述的显示方法，其中，所述第一颜色亚像素、第二颜色亚像素和第三颜色亚像素彼此颜色不同且它们的颜色分别选自红色、绿色和蓝色。
  18. 根据权利要求11-13中任一项所述的显示方法，其中，除位于所述像素阵列的边缘区域的亚像素之外，对所述像素阵列中的每个亚像素根据所述采样区计算其实际显示信息。
  19. 根据权利要求11-13中任一项所述的显示方法，其中，每个像素单元包括一个亚像素、在行方向上相邻的一个半亚像素或者在行方向上相邻的两个亚像素。
  20. 根据权利要求11-13中任一项所述的显示方法，其中，所述像素阵列中的亚像素的侧边的倾斜方向相同。
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