WO2016082364A1 - 有机电致发光显示器件、其驱动方法及相关装置 - Google Patents

有机电致发光显示器件、其驱动方法及相关装置 Download PDF

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Publication number
WO2016082364A1
WO2016082364A1 PCT/CN2015/073570 CN2015073570W WO2016082364A1 WO 2016082364 A1 WO2016082364 A1 WO 2016082364A1 CN 2015073570 W CN2015073570 W CN 2015073570W WO 2016082364 A1 WO2016082364 A1 WO 2016082364A1
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Prior art keywords
sub
pixel
unit group
pixel unit
contact hole
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PCT/CN2015/073570
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English (en)
French (fr)
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白珊珊
嵇凤丽
刘建涛
许静波
梁逸南
Original Assignee
京东方科技集团股份有限公司
鄂尔多斯市源盛光电有限责任公司
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Priority to US14/892,837 priority Critical patent/US10026785B2/en
Priority to EP15794042.0A priority patent/EP3226298B1/en
Publication of WO2016082364A1 publication Critical patent/WO2016082364A1/zh

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    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/30—Devices specially adapted for multicolour light emission
    • H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
    • H10K59/353—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels characterised by the geometrical arrangement of the RGB subpixels
    • 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]
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/123—Connection of the pixel electrodes to the thin film transistors [TFT]
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/131—Interconnections, e.g. wiring lines or terminals
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
    • H10K71/10—Deposition of organic active material
    • H10K71/16—Deposition of organic active material using physical vapour deposition [PVD], e.g. vacuum deposition or sputtering
    • H10K71/166—Deposition of organic active material using physical vapour deposition [PVD], e.g. vacuum deposition or sputtering using selective deposition, e.g. using a mask
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/1201—Manufacture or treatment
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
    • Y10T428/24298—Noncircular aperture [e.g., slit, diamond, rectangular, etc.]
    • Y10T428/24306—Diamond or hexagonal

Definitions

  • Embodiments of the present invention relate to an organic electroluminescence display device, a driving method thereof, and related devices.
  • OLED display device is one of the hotspots in the field of flat panel display research. Compared with liquid crystal display, OLED display device has low energy consumption, low production cost, self-illumination, wide viewing angle and response speed. Now, in the field of flat panel displays such as mobile phones, PDAs, and digital cameras, OLED display devices have begun to replace the traditional liquid crystal display (LCD).
  • LCD liquid crystal display
  • the structure of the OLED display device mainly includes: a substrate, and pixels fabricated in a matrix on the substrate.
  • Each of the pixels generally passes through a high-precision mask through an organic material by an evaporation film forming technique to form an organic electroluminescent structure at corresponding pixel positions on the array substrate.
  • the best color screen effect is the Side-by-Side method.
  • Side-by-side arrangement means that there are three sub-pixels of red, green and blue (R, G, B) in one pixel range, and each sub-pixel has an independent organic electroluminescent structure.
  • red, green and blue sub-pixels have different organic luminescent materials
  • three different organic luminescences of red, green and blue sub-pixel sub-pixels need to be respectively deposited at corresponding positions through the reticle.
  • the material is then adjusted to the color mixing ratio of the three color combinations to produce true color.
  • the technology of making high-resolution (Pixel per inch, PPI) OLED display devices focuses on high-precision masks with fine and mechanical stability.
  • the key to high-precision masks is the arrangement of pixels and sub-pixels.
  • a first aspect of the invention provides an organic electroluminescence display device comprising a substrate substrate and a plurality of pixel unit groups arranged in a matrix on the base substrate, and each of the pixel unit groups includes an edge a first sub-pixel unit group and a second sub-pixel unit group respectively disposed adjacent to each other in a first direction and respectively including three sub-pixels of different colors; wherein the first sub-pixel unit group includes a second a first sub-pixel, a second sub-pixel, and a third sub-pixel arranged in a direction, the second sub-pixel unit group including a third sub-pixel, a first sub-pixel, and a second sub-pixel sequentially arranged in the second direction; The three sub-pixels in the first sub-pixel unit group and the three sub-pixels in the second sub-pixel unit group are arranged in a dislocation along the second direction, and any sub-pixel on the base substrate The colors are different from the colors of other sub-pixels adjacent to the sub-pixels; the shape of each sub-pixel in the
  • a second aspect of the invention provides a display device comprising the above-described organic electroluminescent display device provided by the embodiment of the invention.
  • a third aspect of the present invention provides a mask for manufacturing a sub-pixel of an organic electroluminescent display device, comprising a substrate, and a plurality of open-area openings of the same size arranged in a plurality of columns in the predetermined direction on the substrate,
  • Each of the open regions has a parallel hexagonal shape, and adjacent sides of adjacent open regions are parallel;
  • the center of any open region of the odd columns is located in two open regions adjacent to the open region in the even columns a vertical bisector of the center line, the center of any one of the even columns being located on a vertical bisector of the center line of the two open areas adjacent to the open area in the odd column;
  • the width between two adjacent open areas in the same column is greater than or equal to twice the maximum opening width of the open area along the predetermined direction.
  • 1 is a schematic structural view of a pixel arrangement of an organic electroluminescence display device
  • FIG. 2 is a mask used to fabricate the organic electroluminescent display device shown in FIG. 1;
  • FIG. 3 is a second reticle used for fabricating the organic electroluminescent display device shown in FIG. 1;
  • FIG. 4a is a schematic structural diagram of an organic electroluminescent display device according to an embodiment of the present invention.
  • 4b is a second schematic structural diagram of an organic electroluminescent display device according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of one pixel unit group in an organic electroluminescence display device according to an embodiment of the present invention.
  • FIG. 6 is a third schematic structural diagram of an organic electroluminescent display device according to an embodiment of the present invention.
  • FIG. 7 is a fourth structural diagram of an organic electroluminescent display device according to an embodiment of the present invention.
  • FIG. 8 is a second schematic structural diagram of one of the pixel unit groups in the organic electroluminescent display device according to the embodiment of the present invention.
  • FIG. 9 is a third schematic structural diagram of one of the pixel unit groups in the organic electroluminescent display device according to the embodiment of the present invention.
  • FIG. 10 is a fourth schematic diagram of a specific structure of one of the pixel unit groups in the organic electroluminescent display device according to the embodiment of the present invention.
  • FIG. 11 is a fifth schematic diagram of a specific structure of one pixel unit group in an organic electroluminescent display device according to an embodiment of the present disclosure.
  • FIG. 12 is a schematic structural diagram of a mask provided according to an embodiment of the present invention.
  • FIG. 13 to 15 are schematic structural views of an array substrate prepared by sequentially using the mask shown in FIG.
  • the arrangement of the pixel arrays is generally arranged side by side.
  • the OLED display device includes a substrate substrate 1, and pixel units 2 arranged in a matrix on the substrate substrate 1, one pixel.
  • Unit 2 contains three mutually parallel sub-pixels of red (R), green (G), and blue (B).
  • R red
  • G green
  • B blue
  • FIG. 2 schematically shows a mask used to form one of the sub-pixels (R sub-pixels) in the pixel arrangement shown in FIG. 1. Since the patterns of the respective sub-pixels are the same, a mask of the same structure can be used for forming the remaining sub-pixels (G, B).
  • the reticle includes a metal substrate 3 and a rectangular opening 4 thereon, and since the same column of sub-pixels in the display device share the same opening, the length of the opening 4 of the reticle is long.
  • the width of the metal strip between adjacent openings 4 on the reticle is wider, so that the fabrication and use management of the reticle is easier.
  • the width of the metal strip between adjacent openings in the mask becomes smaller, which causes the metal strip between adjacent openings to be susceptible to external influences during use of the mask. The deformation occurs, causing the organic light-emitting materials of different colors between the sub-pixels to be contaminated with each other to cause color mixing, resulting in a low yield of the product.
  • FIG. 3 a mask as shown in FIG. 3 has been proposed to form a pixel arrangement as shown in FIG.
  • the opening of the mask in the mask shown in FIG. 2 corresponds to FIG.
  • the position between the sub-pixels shown increases the metal bridge 5 to connect adjacent metal strips, changing one strip opening 4 as shown in FIG. 2 to a plurality of sub-pixels corresponding to those shown in FIG. Opening 6.
  • the method can make the shape of the metal strip in the mask more stable, in the process of preparing the sub-pixel, in order to avoid the shadowing effect of the metal bridge on the sub-pixel during the evaporation, the sub-pixel is overlapped with the metal. A sufficient distance must be maintained between the bridges, resulting in a reduction in the size of the sub-pixels, thereby affecting the aperture ratio of the OLED display device.
  • Embodiments of the present invention provide an organic electroluminescence display device, a display device including the organic electroluminescence display device, and a mask for manufacturing a sub-pixel of an organic electroluminescent display device.
  • a novel organic electroluminescent display device with pixel arrangement is provided, which makes the mask plate easy to manufacture and has high mechanical stability, thereby improving the resolution and the production efficiency of the organic electroluminescence display device, thereby reducing the production cost. purpose.
  • An embodiment of the present invention provides an organic electroluminescence display device, as shown in FIGS. 4a and 4b, including a substrate substrate 10, and a plurality of pixel unit groups 11 arranged in a matrix on the substrate substrate 10, and Each pixel unit group 11 includes adjacent ones arranged along the first direction X and respectively includes three colors a first sub-pixel unit group 111 and a second sub-pixel unit group 112 of different sub-pixels; wherein
  • the first sub-pixel unit group 111 includes a first sub-pixel 01, a second sub-pixel 02, and a third sub-pixel 03 which are sequentially arranged in the second direction Y and have different colors;
  • the second sub-pixel unit group 112 includes a third sub-pixel 03, a first sub-pixel 01 and a second sub-pixel 02 arranged in the second direction Y;
  • the three sub-pixels in the first sub-pixel unit group 111 and the three sub-pixels in the second sub-pixel unit group 112 are arranged in a misalignment along the second direction Y, and the color of any sub-pixel on the base substrate 10 is The colors of other sub-pixels adjacent to the sub-pixel are different;
  • Each of the sub-pixels in the pixel unit group 11 has the same shape, and each has a polygon whose number of sides is greater than or equal to four.
  • each of the pixel unit groups includes a first sub-pixel unit group and a second sub-pixel which are adjacently disposed in the first direction and respectively include three sub-pixels of different colors.
  • a pixel unit group; and each sub-pixel in the first sub-pixel unit group and each sub-pixel in the second sub-pixel unit group are arranged in a wrong position in the second direction, and the color of any sub-pixel on the substrate substrate is The colors of other sub-pixels adjacent to the pixel are different; thus, it is ensured that the sub-pixels of the same color on the substrate are regularly staggered.
  • FIG. 12 wherein FIG.
  • the mask corresponding to the sub-pixel of one color is used.
  • the distance between adjacent opening regions 101 is relatively large, which increases the strength of the mask, and is advantageous for fabricating small-sized sub-pixels, thereby improving the resolution of the organic electroluminescent display device.
  • a method of sharing a sub-pixel by using a first sub-pixel unit group and a second sub-pixel unit group in the same pixel unit group for example, any of the first sub-pixel unit groups
  • the adjacent two sub-pixels share the sub-pixels of the second sub-pixel unit group different from the two sub-pixel colors, and any two adjacent sub-pixels of the second sub-pixel unit group share the first sub-pixel unit group.
  • N is an integer greater than or equal to 2.
  • the organic electroluminescent display device of the present invention uses the same pixel unit group to share the sub-pixels, the number of pixels can be improved to 3N/2.
  • the distance x2 between the centers of the second sub-pixels 02 and the distance x3 between the centers of the adjacent two third sub-pixels 03 are equal.
  • the sub-pixels on the array substrate are evenly arranged, which not only can reduce the manufacturing difficulty of the organic electroluminescent device, but also can reduce the production difficulty of the mask.
  • the first sub-pixel, the second sub-pixel, and the third sub-pixel are composed of red (R) color sub-pixel, green (G) color sub-pixel, and blue ( B) The color sub-pixel composition. That is, in the embodiment of the present invention, the first sub-pixel is one of a red (R) color sub-pixel, a green (G) color sub-pixel, and a blue (B) color sub-pixel, and the second sub-pixel is a red (R) color.
  • the third sub-pixel is a red (R) color sub-pixel, a green (G) color sub-pixel, and a blue (B) color sub-pixel
  • R red
  • G green
  • B blue
  • One of the first sub-pixels, the second sub-pixel, and the third sub-pixel are all different in color.
  • the first direction is perpendicular to the second direction.
  • the first direction is perpendicular to the second direction as an example.
  • the first direction selects one of the row direction and the column direction of the organic electroluminescent display device
  • the second direction selects the other direction
  • the center and the second sub-pixel of any one of the first sub-pixel unit groups 111 are included.
  • the distance between the centers of the two sub-pixels adjacent to the sub-pixel in the cell group 112 is equal in the second direction Y, and the center and the first sub-pixel of the second sub-pixel cell group 112
  • the distance between the two sub-pixels adjacent to the sub-pixel in the pixel unit group 111 is equal in the second direction Y.
  • each sub-pixel has a parallel hexagonal shape. And adjacent sides of adjacent sub-pixels are parallel; or as shown in FIG. 4b, each sub-pixel has a shape of a pentagon and adjacent sides of adjacent sub-pixels are parallel.
  • each sub-pixel when the shape of each sub-pixel is a parallel hexagon, as shown in FIG. 4a, the parallel hexagon has two parallel edges. Extending in one direction, the remaining four sides are of equal length. This makes it possible to coincide adjacent edges between the open areas of the masks corresponding to adjacent sub-pixels. Thereby maximizing the light-emitting area of the sub-pixels on the substrate, and setting the sub-pixels into a parallel hexagonal shape, the distance between the open areas of the masks corresponding to the adjacent sub-pixels of the same color can be made. Larger, so it can be further increased The strength of the mask is facilitated to produce small-sized sub-pixels, which in turn can improve the resolution of the organic electroluminescent display device.
  • the shape of each sub-pixel is pentagon, as shown in FIG. 4b
  • the shape of the optimal pentagon is two adjacent. Right angles, and the two parallel sides constituting the two right angles are equal.
  • the two parallel sides of the pentagon extend in the first direction, so that adjacent edges between the open areas of the masks corresponding to the adjacent sub-pixels can coincide.
  • the light-emitting area of the sub-pixel on the substrate is maximally increased, and the sub-pixel is disposed in the shape of the pentagon, so that the opening area of the mask corresponding to the adjacent sub-pixels of the same color can be
  • the distance is relatively large, so that the strength of the mask can be further increased, which is advantageous for fabricating small-sized sub-pixels, thereby improving the resolution of the organic electroluminescent display device.
  • each sub-pixel has the same size and shape in the same pixel unit group.
  • the arrangement positions of the sub-pixels of the same color have the same regularity, and the size of each pixel is also the same, that is, the arrangement patterns of the three sub-pixels having different colors are the same, thus preparing When the sub-pixels of different colors are used, the same mask can be used, thereby reducing the number of masks produced.
  • the size of the red sub-pixel is the same as the size of the green sub-pixel in the same pixel unit group, blue
  • the size of the color sub-pixel is larger than the size of the red sub-pixel.
  • the lifetime of the blue luminescent material used to make the blue sub-pixel is generally the lowest, so the lifetime of the organic electroluminescent display device mainly depends on the lifetime of the blue sub-pixel, and under the condition of achieving the same display brightness, blue
  • the brightness of the blue sub-pixel can be reduced, and by reducing the current density flowing through the blue sub-pixel, the lifetime of the blue sub-pixel can be prolonged, thereby prolonging the life of the organic electroluminescent display device.
  • a pixel circuit for driving the light is required, and the pixel circuit is generally located under the light-emitting layer, and the pixel circuit passes through the contact on the planarization layer above the pixel circuit.
  • the holes are electrically connected to the anode of the corresponding sub-pixel.
  • each pixel unit group 11 further includes a contact hole and a pixel circuit corresponding to each sub-pixel, and each sub-pixel passes Corresponding contact holes are electrically connected to corresponding pixel circuits;
  • first contact hole V1 corresponding to the first sub-pixel 01 in the first sub-pixel unit group 111
  • the third contact hole V3 corresponding to the third sub-pixel 03 in the pixel unit group 112 is aligned in the first direction X;
  • the sixth contact hole V6 corresponding to the second sub-pixel 02 in the cell group 112 is aligned in the first direction X;
  • first contact hole V1 and the fourth contact hole V4 are aligned in the second direction Y
  • second contact hole V2 and the fifth contact hole V5 are aligned in the second direction Y
  • third contact hole V3 and the sixth contact V6 are The second direction Y is aligned.
  • the distance between adjacent two contact holes extending in the first direction is equal; between the adjacent two contact holes extending in the second direction The distance is equal.
  • the contact holes on the base substrate are arranged in a matrix, thereby reducing the difficulty in manufacturing the contact holes, and the difficulty in backplane wiring of the organic electroluminescence display device can be reduced.
  • the size of each contact hole is uniform.
  • the first contact hole V1 is located between the first sub-pixel 01 and the second sub-pixel 02 in the first sub-pixel unit group 111, and the second contact hole V2 and the third contact hole 03 are respectively located in the second sub-pixel unit group 112.
  • the third sub-pixels 03 are on both sides in the first direction X;
  • the fourth contact hole V4 and the fifth contact hole V5 are respectively located on both sides of the third sub-pixel 03 in the first sub-pixel unit group 111 in the first direction X; the sixth contact hole V6 is located in the second sub-pixel unit group 112. Between the first sub-pixel 01 and the second sub-pixel 02.
  • the first sub-pixel 01 and the second sub-pixel 02 have a parallel hexagonal shape, and the first sub-pixel 01 and the second sub-pixel 02 are adjacent to each other; the third sub-pixel 03 of the first sub-pixel unit group 111
  • the shape is a parallel shape of the "boat" in which the parallel hexagon is missing, and the flatness of the third sub-pixel 03 is formed.
  • a corner missing from the row hexagon is adjacent to the second sub-pixel 02 in the first sub-pixel unit group 111; the shape of the third sub-pixel 03 in the second sub-pixel unit group 112 is flipped 180 degrees in the first direction and the first
  • the third sub-pixel 03 in the sub-pixel unit group 111 has the same shape;
  • the third contact hole V3 is located at a side of the second sub-pixel unit group 112 that is missing a corner of the parallel hexagon forming the third sub-pixel 03; the second contact hole V2 is located at the first contact hole V1 and the third contact hole V3.
  • the fourth contact hole V4 is located at one side of a corner of the first sub-pixel unit group 111 which is missing from the parallel hexagon of the third sub-pixel 03; the fifth contact hole V5 is located at the fourth contact hole V4 and the sixth Between the contact holes V6.
  • the shape of the second sub-pixel 02 is a parallel hexagon; the shape of the first sub-pixel 01 in the first sub-pixel unit group 111 is a "boat" shape in which a parallel hexagon is missing a corner, and constitutes a first sub-pixel.
  • One corner of the parallel hexagon of 01 is missing near the second sub-pixel 02 in the first sub-pixel unit group 111; the shape of the first sub-pixel 01 in the first sub-pixel unit group 111 is flipped 180 in the second direction Y
  • the shape is the same as the shape of the third sub-pixel 03 in the first sub-pixel unit group 111; the shape of the first sub-pixel 01 in the second sub-pixel unit group 112 is flipped by 180 degrees in the first direction X and the first sub-pixel
  • the shape of the first sub-pixel 01 in the cell group 111 is the same; the shape of the third sub-pixel 03 in the second sub-pixel cell group 112 is flipped by 180 degrees in the first direction X and the third sub-pixel in the first sub-pixel cell group
  • the first contact hole V1 is located at a side of the first sub-pixel unit group 111 that is missing a corner of the parallel hexagon forming the first sub-pixel 01; and the third contact hole V3 is located at the second sub-pixel unit group 112. a side of a corner missing from the parallel hexagon of the third sub-pixel 03; the second contact hole V2 is located between the first contact hole V1 and the third contact hole V3; and the sixth contact hole V6 is located at the second sub-pixel unit group 112 One side of a corner missing from the parallel hexagon constituting the first sub-pixel 01; the fourth contact hole V4 is located at a corner missing from the parallel hexagon constituting the third sub-pixel 03 in the first sub-pixel unit group 111 One side; the fifth contact hole V5 is located between the fourth contact hole V4 and the sixth contact hole V6.
  • the above-mentioned organic electroluminescent display device provided by the embodiment of the present invention may also be as shown in FIG. 10, in each pixel unit group.
  • the first contact hole V1 is located in the first sub-pixel 01 and the second sub-in the first sub-pixel unit group 111 Between the pixels 02, the second contact hole V2 and the third contact hole V3 are respectively located on both sides of the third sub-pixel 03 in the second sub-pixel unit group 112 in the first direction X; the fourth contact hole 04 is the first sub-hole The third sub-pixel 03 of the pixel unit group 111 is surrounded; the fifth contact hole V5 and the sixth contact hole V6 are both located between the first sub-pixel 01 and the second sub-pixel 02 in the second sub-pixel unit group 112.
  • the above-mentioned organic electroluminescent display device provided by the embodiment of the present invention, as shown in FIG. 10, in each pixel unit group,
  • the first sub-pixel 01 and the second sub-pixel 02 are each in the shape of a parallel hexagon; the third sub-pixel 03 in the first sub-pixel unit group has a hollow parallel hexagon, and the third sub-pixel unit 112 has a third sub-pixel.
  • the pixel 03 has an hourglass shape.
  • the above-mentioned organic electroluminescent display device provided by the embodiment of the present invention may also be as shown in FIG.
  • the first contact hole V1 and the second contact hole V2 are both located between the first sub-pixel 01 and the second sub-pixel 02 in the first sub-pixel unit group 111, and the third contact hole V3 is in the second sub-pixel unit group 112.
  • the third sub-pixel 03 is surrounded;
  • the fourth contact hole V4 and the fifth contact hole V5 are respectively located on both sides of the third sub-pixel 03 in the first sub-pixel unit group 111 in the first direction X;
  • the sixth contact hole V6 is located in the second Between the first sub-pixel 01 and the second sub-pixel 02 in the sub-pixel unit group 112.
  • the first sub-pixel 01 and the second sub-pixel 03 are each in the shape of a parallel hexagon; the third sub-pixel 03 in the first sub-pixel unit group 111 is in an hourglass shape, and the third sub-pixel 03 in the second sub-pixel unit group 112 is in a shape Hollow parallel hexagon.
  • the third sub-pixel is a green sub-pixel according to the lifetime and display effect of each sub-pixel having different colors.
  • the size of the green sub-pixels is smaller than the size of the red sub-pixel and the blue sub-pixel, respectively.
  • the size of the blue sub-pixel is equal to the size of the red sub-pixel.
  • the size of the blue sub-pixel is larger than the size of the red sub-pixel.
  • the shape of the sub-pixel is a parallel hexagon.
  • the circular or elliptical shape formed by chamfering according to the hexagon is also included in the protection range of the embodiment of the present invention, which is not limited herein.
  • the embodiment of the invention further provides a driving method for any of the above-mentioned organic electroluminescent display devices, comprising: in the same pixel unit group, the first sub-pixel unit group and the second sub-pixel unit group share at least one sub-pixel.
  • the first sub-pixel and the second sub-pixel in the first sub-pixel unit group share the third sub-pixel in the second sub-pixel unit group, or the second sub-pixel and the third sub-pixel in the first sub-pixel unit group share the same
  • the first sub-pixel in the second sub-pixel unit group, or the first sub-pixel and the second sub-pixel in the second sub-pixel unit group share the third sub-pixel in the first sub-pixel unit group, or the second sub-pixel unit group
  • the first sub-pixel and the third sub-pixel share a second sub-pixel in the first sub-pixel unit group. Therefore, after the same pixel unit group shares the sub-pixels, for example, when the number of original pixels is N (N is an integer greater than or equal to 2), the number of pixels can
  • the virtual display resolution of the screen can be improved, so that the number of original pixels can be increased by 3/2 times.
  • the embodiment of the invention further provides a display device, which comprises the above-mentioned organic electroluminescent display device provided by the embodiment of the invention, and the display device can be: mobile phone, tablet computer, television, display, notebook computer, digital photo frame, navigation Any product or part that has a display function.
  • the display device can be: mobile phone, tablet computer, television, display, notebook computer, digital photo frame, navigation Any product or part that has a display function.
  • Other indispensable components of the display device are understood by those skilled in the art, and are not described herein, nor should they be construed as limiting the invention.
  • the embodiment of the present invention further provides a mask for manufacturing sub-pixels of an organic electroluminescent display device, as shown in FIG. 12, comprising: a substrate 100, and sequentially arranged in a plurality of columns along a predetermined direction Z on the substrate 100. a plurality of open areas 101 of the same size, each of the open areas 101 has a parallel hexagonal shape, and adjacent sides of the adjacent open areas 101 are parallel;
  • the center of any of the open regions 101 in the odd column is located on the vertical bisector of the center line of the two open regions 101 adjacent to the open region 101 in the even column, and the center of any of the open regions 101 in the even column is located in the odd column a vertical bisector of the center line of the two open areas 101 adjacent to the open area 101;
  • the width between two adjacent open areas in the same column is greater than or equal to the opening area Set the maximum opening width of direction Z to twice.
  • each of the opening regions has a parallel hexagonal shape and the distance between adjacent two opening regions is relatively large, the strength of the mask can be increased, which is advantageous for fabricating small-sized sub-pixels. Further, it is advantageous to prepare a high resolution organic electroluminescence display device.
  • the width between adjacent two open regions in a predetermined direction is generally determined by the sub-pixel arrangement of the organic electroluminescent display device to be prepared, assuming organic electroluminescence.
  • Two sub-pixels of other colors are disposed between two adjacent sub-pixels of the same color in the display device, and the width between the two open regions adjacent to the predetermined direction in the mask is guaranteed to be at least two Other sub-pixels, that is, at least ensure the width of the two open regions to be set, and since, for the organic electroluminescent display device, adjacent sub-pixels generally have a certain width distance, the mask is preset along the edge
  • the width between the two open areas adjacent in the direction is such that at least two other sub-pixels can be provided.
  • the organic electroluminescent display device is prepared by using the above-mentioned mask provided by the embodiment of the present invention
  • a sub-pixel is formed, after sub-pixels of one color are formed, when sub-pixels of other colors are required to be formed, it is not necessary to target other
  • the sub-pixels of the color are separately fabricated into a mask, and only the sub-pixels of other colors can be formed by shifting the mask to a certain position, thereby reducing the number of masks prepared.
  • the specific schematic diagram is shown in FIG. 13 to FIG. 15.
  • the dotted frame of each hexagon in the figure indicates the opening area 101 of the corresponding mask, wherein FIG. 13 is after forming the first sub-pixel 01 by using the mask shown in FIG. Array substrate 10; FIG.
  • FIG. 14 is an array substrate 10 after the second sub-pixel 02 is formed on the basis of the array substrate 10 of FIG. 13 after moving the reticle;
  • FIG. 15 is an array of FIG. 14 after moving the reticle
  • the array substrate 10 after the third sub-pixel 03 is formed on the basis of the substrate 10, that is, one of the above-described organic electroluminescent display devices of the embodiment of the present invention.
  • the area of the sub-pixel corresponding to the opening area of the mask is generally smaller than the area of the opening region.
  • the width between two adjacent open regions in the same column is equal to twice the maximum opening width of the open region in the predetermined direction.
  • the above-described sub-pixel arrangement shown in FIG. 15 is formed on the array substrate 10 by using the above-described mask, it can be seen from the arrangement of the broken line frame in FIG. 15 that the above-mentioned mask will be formed for each sub-pixel.
  • the templates are overlapped, and adjacent sides of the open area 101 in the mask corresponding to the adjacent sub-pixels are coincident, so that To ensure the aperture ratio of the array substrate.
  • Embodiments of the present invention provide an organic electroluminescence display device, a display device thereof, and a mask for manufacturing a sub-pixel of an organic electroluminescence display device, wherein each pixel unit group includes adjacent ones arranged along a first direction and respectively a first sub-pixel unit group and a second sub-pixel unit group including three sub-pixels of different colors; and each sub-pixel in the first sub-pixel unit group and each sub-pixel in the second sub-pixel unit group are along the second The directions are arranged in a misaligned manner, and the color of any sub-pixel on the substrate is different from the color of other sub-pixels adjacent to the sub-pixel; thus, the sub-pixels of the same color on the substrate are arranged in a regular staggered manner.
  • the distance between adjacent opening regions in the mask corresponding to the sub-pixels of the same color is relatively large, which increases the strength of the mask, and is advantageous for fabricating small-sized sub-pixels. Further, the resolution of the organic electroluminescence display device can be improved.

Abstract

一种有机电致发光显示器件及其显示装置和制造有机电致发光显示器件亚像素的掩模板。每一像素单元组(11)包括沿第一方向相邻设置的且分别包括三个颜色不同的亚像素的第一子像素单元组(111)和第二子像素单元组(112)；并且第一子像素单元组中(111)的三个亚像素与第二子像素单元组(112)中的三个亚像素沿第二方向呈错位排列，且衬底基板10上任一亚像素的颜色均与与该亚像素相邻的其它亚像素的颜色不相同。该有机电致发光显示器件保证了衬底基板上相同颜色的亚像素呈有规律的交错排列，可增加掩模板的强度，有利于制作小尺寸的亚像素，进而可以提高有机电致发光显示器件的分辨率。

Description

有机电致发光显示器件、其驱动方法及相关装置 技术领域
本发明实施例涉及有机电致发光显示器件、其驱动方法及相关装置。
背景技术
有机电致发光(Organic Light Emitting Diode，OLED)显示器件是当今平板显示器研究领域的热点之一，与液晶显示器相比，OLED显示器件具有低能耗、生产成本低、自发光、宽视角及响应速度快等优点，目前，在手机、PDA、数码相机等平板显示领域，OLED显示器件已经开始取代传统的液晶显示屏(Liquid Crystal Display，LCD)。
OLED显示器件的结构主要包括：衬底基板，制作在衬底基板上呈矩阵排列的像素。其中，各像素一般都是通过有机材料利用蒸镀成膜技术透过高精细掩模板，在阵列基板上的相应的像素位置形成有机电致发光结构。为了进行彩色显示，需要将OLED显示器件彩色化。其中，彩色画面效果最好的是并排排列(Side-by-Side)的方式。并排排列方式是指在一个像素范围内有红、绿、蓝(R、G、B)三个亚像素，每个亚像素具有独立的有机电致发光结构。由于红、绿、蓝三种亚像素的有机发光材料不同，因此在制作过程中，需要通过掩模板在相应的位置上分别对红、绿、蓝三基色亚像素蒸镀三种不同的有机发光材料，然后调节三种颜色组合的混色比，产生真彩色。
制作高分辨率(Pixel per inch，PPI)OLED显示器件的技术重点在于精细及机械稳定性好的高精细掩模板，而高精细掩模板的关键在于像素以及亚像素的排布方式。
发明内容
本发明的第一方面提供了一种有机电致发光显示器件，包括衬底基板以及位于所述衬底基板上的呈矩阵排列的多个像素单元组，且每一所述像素单元组包括沿第一方向相邻设置的且分别包括三个颜色不同的亚像素的第一子像素单元组和第二子像素单元组；其中，所述第一子像素单元组包括沿第二 方向依次排列的第一亚像素、第二亚像素和第三亚像素，所述第二子像素单元组包括沿所述第二方向依次排列的第三亚像素、第一亚像素和第二亚像素；所述第一子像素单元组中的三个亚像素与所述第二子像素单元组中的三个亚像素沿所述第二方向呈错位排列，且所述衬底基板上任一亚像素的颜色均与与所述亚像素相邻的其它亚像素的颜色不相同；所述像素单元组中各亚像素的形状呈边数大于或等于四的多边形。
本发明的第二方面提供给了一种显示装置，包括本发明实施例提供的上述有机电致发光显示器件。
本发明的第三方面提供了一种用于制造有机电致显示器件亚像素的掩模板，包括基板，以及位于所述基板上多列沿预设方向依次排列的多个大小相同的开口区域，各所述开口区域的形状均呈平行六边形，且相邻开口区域的相邻边平行；奇数列中任一开口区域的中心位于偶数列中与所述开口区域相邻的两个开口区域的中心连线的垂直平分线上，所述偶数列中任一开口区域的中心位于所述奇数列中与所述开口区域相邻的两个开口区域的中心连线的垂直平分线上；且同一列中相邻的两个开口区域之间的宽度大于或等于所述开口区域沿所述预设方向的最大开口宽度的2倍。
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为一种有机电致发光显示器件的像素排布的结构示意图；
图2为制作图1所示的有机电致发光显示器件所用的掩模板之一；
图3为制作图1所示的有机电致发光显示器件所用的掩模板之二；
图4a为本发明实施例提供的有机电致发光显示器件的结构示意图之一；
图4b为本发明实施例提供的有机电致发光显示器件的结构示意图之二；
图5为本发明实施例提供的有机电致发光显示器件中其中一个像素单元组的结构示意图之一；
图6为本发明实施例提供的有机电致发光显示器件的结构示意图之三；
图7为本发明实施例提供的有机电致发光显示器件的结构示意图之四；
图8为本发明实施例提供的有机电致发光显示器件中其中一个像素单元组的具体结构示意图之二；
图9为本发明实施例提供的有机电致发光显示器件中其中一个像素单元组的具体结构示意图之三；
图10为本发明实施例提供的有机电致发光显示器件中其中一个像素单元组的具体结构示意图之四；
图11为本发明实施例提供的有机电致发光显示器件中其中一个像素单元组的具体结构示意图之五；
图12为本发明实施例提供的掩模板的结构示意图；
图13至图15分别为依次采用图12所示的掩模板所制备的阵列基板的结构示意图。
具体实施方式
OLED显示器件中，像素阵列的排布方式一般为并排排列的方式，如图1所示，OLED显示器件包括衬底基板1，以及位于衬底基板1上呈矩阵排列的像素单元2，一个像素单元2包含有红(R)、绿(G)、蓝(B)三个相互平行的亚像素。为了形成该像素排列结构，对应的掩模板如图2所示，其中图2示意性地示出了形成图1所示的像素排列结构中其中一个亚像素(R亚像素)所用的掩模板。由于各亚像素的图形相同，因此可以使用相同结构的掩模板用于形成其余亚像素(G、B)。
在图2中，掩模板包括金属基板3以及其上的矩形的开口4，由于显示器件中的同一列亚像素共用同一个开口，因此掩模板的开口4的长度较长。这对于低分辨率的显示器件来说，由于像素个数较少，因此掩模板上相邻开口4之间的金属条的宽度较宽，从而掩模板的制作及使用管理较容易。但是随着显示器件分辨率的增大，掩模板中相邻开口之间的金属条的宽度变小，这就造成了掩模板在使用过程中，相邻开口之间的金属条容易受外界影响发生变形，从而造成亚像素间不同颜色的有机发光材料相互污染而发生混色，导致产品的良率不高。
针对上述问题，提出了如图3所示的掩模板以形成如图1所示的像素排列结构。如图3所示，掩模板是在图2所示的掩模板中的开口相应于如图1 所示的亚像素之间的位置增加金属搭接桥5以连接相邻的金属条，将如图2所示的一个长条开口4改变为多个相应于如图1所示的亚像素的开口6。该方法虽然可以使得掩模板中的金属长条的形状更为稳固，但是在制备亚像素的过程中，为了避免在蒸镀时金属搭接桥对亚像素产生遮蔽效应，亚像素与金属搭接桥之间必须保持足够的距离，从而导致亚像素的大小缩小，从而影响OLED显示器件的开口率。
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他实施例，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。“包括”或者“包含”等类似的词语意指出现在“包括”或者“包含”前面的元件或者物件涵盖出现在“包括”或者“包含”后面列举的元件或者物件及其等同，并不排除其他元件或者物件。“连接”或者“相连”等类似的词语并非限定于物理的或者机械的连接，而是可以包括电性的连接，不管是直接的还是间接的。“上”、“下”、“左”、“右”等仅用于表示相对位置关系，当被描述对象的绝对位置改变后，则该相对位置关系也可能相应地改变。
本发明实施例提供了一种有机电致发光显示器件、包括该有机电致发光显示器件显示装置及用于制造有机电致显示器件的亚像素的掩模板。提供了一种新的像素排列方式的有机电致发光显示器件，使得掩模板的制作容易且机械稳定性高，从而可以提高分辨率和有机电致发光显示器件的生产效率，达到降低生产成本的目的。
本发明实施例提供了一种有机电致发光显示器件，如图4a和图4b所示，包括衬底基板10，以及位于衬底基板10上的呈矩阵排列的多个像素单元组11，且每一像素单元组11包括沿第一方向X相邻设置的且分别包括三个颜 色不同的亚像素的第一子像素单元组111和第二子像素单元组112；其中，
第一子像素单元组111包括沿第二方向Y依次排列的且颜色不同的第一亚像素01、第二亚像素02和第三亚像素03；
第二子像素单元组112包括沿第二方向Y依次排列的第三亚像素03、第一亚像素01和第二亚像素02；
第一子像素单元组111中的三个亚像素与第二子像素单元组112中的三个亚像素沿第二方向Y呈错位排列，且衬底基板10上任一亚像素的颜色均与该亚像素相邻的其它亚像素的颜色不相同；
像素单元组11中各亚像素的形状相同，均呈边数大于或等于四的多边形。
本发明实施例提供的上述有机电致发光显示器件，由于每一像素单元组包括沿第一方向相邻设置的且分别包括三个颜色不同的亚像素的第一子像素单元组和第二子像素单元组；并且第一子像素单元组中的各亚像素与第二子像素单元组中的各亚像素沿第二方向呈错位排列，且衬底基板上任一亚像素的颜色均与与亚像素相邻的其它亚像素的颜色不相同；因此保证了衬底基板上相同颜色的亚像素呈有规律的交错排列。进而可以在制作相应的掩模板时，如图12所示(其中图12仅示出了一个颜色的亚像素对应的掩模板中的开口区域示意图)，相同颜色的亚像素所对应的掩模板中的相邻开口区域101之间的距离相对较大，增加了掩模板的强度，有利于制作小尺寸的亚像素，进而可以提高有机电致发光显示器件的分辨率。
本发明实施例提供的上述有机电致发光显示器件中可以通过利用同一像素单元组中第一子像素单元组和第二子像素单元组共用子像素的方式，例如第一子像素单元组中任意相邻的两个亚像素共用第二子像素单元组中与该两个亚像素颜色不同的亚像素，第二子像素单元组中任意相邻的两个亚像素共用第一子像素单元组中与该两个亚像素颜色不同的亚像素，从而可以提高屏幕的虚拟显示分辨率。例如当原始像素个数为N时，N为大于或等于2的整数，本发明所述的有机电致发光显示器件采用上述同一像素单元组共用子像素的方式后，像素个数就可提升为3N/2。
例如，在本发明实施例提供的上述有机电致发光器件中，如图6所示，在第一方向X上，相邻两个第一亚像素01的中心之间的距离x1与相邻两个 第二亚像素02的中心之间的距离x2、以及相邻两个第三亚像素03的中心之间的距离x3相等。从而使得阵列基板上亚像素均匀排布，不仅可以降低有机电致发光器件的制作难度，并且可以降低掩模板的生产难度。
例如，在本发明实施例提供的上述有机电致发光显示器件中，第一亚像素、第二亚像素和第三亚像素由红(R)色亚像素、绿(G)色亚像素和蓝(B)色亚像素组成。即在本发明实施例中，第一亚像素为红(R)色亚像素、绿(G)色亚像素和蓝(B)色亚像素中之一、第二亚像素为红(R)色亚像素、绿(G)色亚像素和蓝(B)色亚像素中之一，第三亚像素为红(R)色亚像素、绿(G)色亚像素和蓝(B)色亚像素中之一，且第一亚像素、第二亚像素和第三亚像素的颜色均不同。
例如，本发明实施例提供的上述有机电致发光显示器件，第一方向垂直于第二方向。在本发明实施例中均是以第一方向垂直第二方向为例进行说明。
例如，第一方向选取有机电致发光显示器件的行方向和列方向中的一个方向，第二方向选取另一方向。
例如，在本发明实施例提供的上述有机电致发光器件中，如图5所示，在同一像素单元组11中，第一子像素单元组111中任一亚像素的中心与第二子像素单元组112中与该亚像素相邻的两个亚像素的中心之间的距离在第二方向Y上的分量y相等，第二子像素单元组112中任一亚像素的中心与第一子像素单元组111中与该亚像素相邻的两个亚像素之间的距离在第二方向Y上分量y相等。
例如，为了降低掩模板的制作难度，以及增大亚像素的发光面积，本发明实施例提供的上述有机电致发光显示器件，如图4a所示，各亚像素的形状均呈平行六边形，且相邻亚像素的相邻边平行；或如图4b所示，各亚像素的形状均呈五边形，且相邻亚像素的相邻边平行。
例如，在本发明实施例提供的上述有机电致发光显示器件，当各亚像素的形状均呈平行六边形时，如图4a所示，平行六边形有两条平行的边沿所述第一方向延伸，其余的四条边的长度相等。这样就可以使相邻亚像素对应的掩模板的开口区域之间的相邻边重合。从而最大程度的增大衬底基板上亚像素的发光面积，并且将亚像素设置成平行六边形形状，可以使相邻的相同颜色的亚像素所对应的掩模板的开口区域之间的距离较大，因此可以进一步增 加掩模板的强度，有利于制作小尺寸的亚像素，进而可以提高有机电致发光显示器件的分辨率。
例如，在本发明实施例提供的上述有机电致发光显示器件，当各亚像素的形状均呈五边形时，如图4b所示，最佳的五边形的形状为具有两个相邻直角，且构成该两个直角的相平行的两条边相等。这样五边形中该两条平行的边沿所述第一方向延伸，就可以使相邻亚像素对应的掩模板的开口区域之间的相邻边重合。从而最大程度的增大衬底基板上亚像素的发光面积，并且将亚像素设置成上述五边形的形状，可以使相邻的相同颜色的亚像素所对应的掩模板的开口区域之间的距离相对较大，因此可以进一步增加掩模板的强度，有利于制作小尺寸的亚像素，进而可以提高有机电致发光显示器件的分辨率。
进一步地，为了减少掩模板(Mask)的制作数量，在本发明实施例提供的上述有机电致发光显示器件中，在同一像素单元组中，各亚像素的大小和形状均相同。这样，在有机电致发光显示器件中，相同颜色的亚像素的排布位置呈相同的规律，且各像素的大小也相同，即颜色不同的三种亚像素的排布规律相同，这样在制备不同颜色的亚像素时，就可以采用同一个掩模板了，从而减少了掩模板的制作数量。
例如，为了延长有机电致发光显示器件的寿命，在本发明实施例提供的上述有机电致发光显示器件中，在同一像素单元组中，红色亚像素的大小与绿色亚像素的大小相同，蓝色亚像素的大小大于红色亚像素的大小。这是因为用于制作蓝色亚像素的蓝色发光材料的寿命一般最低，因此有机电致发光显示器件的寿命主要取决于蓝色亚像素的寿命，在达到相同显示亮度的条件下，蓝色亚像素的尺寸增大时，蓝色亚像素的亮度可以减小，通过减小流过蓝色亚像素的电流密度，可以延长蓝色亚像素的寿命，进而延长有机电致发光显示器件的寿命。
例如，有机电致发光显示器件中的各亚像素要想发光，还需要有驱动其发光的像素电路，像素电路一般位于发光层的下方，像素电路通过位于像素电路上方的平坦化层上的接触孔与对应亚像素的阳极电连接。
因此，在本发明实施例提供的上述有机电致发光显示器件中，如图7所示，每一像素单元组11还包括与各亚像素一一对应的接触孔和像素电路，各亚像素通过对应的接触孔与对应的像素电路电连接；其中，
与第一子像素单元组111中的第一亚像素01对应的第一接触孔V1、与第一子像素单元组111中的第二亚像素02对应的第二接触孔V2、与第二子像素单元组112中的第三亚像素03对应的第三接触孔V3在第一方向X上对齐；
与第一子像素单元组111中的第三亚像素03对应的第四接触孔V4、与第二子像素单元组112中的第一亚像素01对应的第五接触孔V5、与第二子像素单元组112中的第二亚像素02对应的第六接触孔V6在第一方向X上对齐；
且第一接触孔V1与第四接触孔V4在第二方向Y上对齐，第二接触孔V2与第五接触孔V5在第二方向Y上对齐，第三接触孔V3与第六接触V6在第二方向Y上对齐。
例如，本发明实施例提供的上述有机电致发光显示器件，沿第一方向延伸的相邻的两个接触孔之间的距离相等；沿第二方向延伸的相邻的两个接触孔之间的距离相等。这样使衬底基板上的各接触孔呈矩阵排布，从而降低接触孔的制作难度，并且可以降低有机电致发光显示器件背板布线的难度。
为了进一步降低制作难度，在本发明实施例提供的上述有机电致发光显示器件中，各接触孔的大小一致。
在具体实施时，本发明实施例提供的上述有机电致发光器件中，每一像素单元组中，如图7至图9所示，
第一接触孔V1位于第一子像素单元组111中的第一亚像素01与第二亚像素02之间，第二接触孔V2和第三接触孔03分别位于第二子像素单元组112中的第三亚像素03在第一方向X上的两侧；
第四接触孔V4和第五接触孔V5分别位于第一子像素单元组111中的第三亚像素03在第一方向X上的两侧；第六接触孔V6位于第二子像素单元组112中的第一亚像素01与第二亚像素02之间。
为了增大有机电致发光器件的发光面积，在本发明实施例提供的上述有机电致发光显示器件中，如图8所示，每一像素单元组11中，
第一亚像素01和第二亚像素02的形状呈平行六边形，且第一亚像素01和第二亚像素02相邻边平行；第一子像素单元组111中的第三亚像素03的形状呈平行六边形缺失掉一角后的“船”形，且构成该第三亚像素03的平 行六边形所缺失的一角靠近第一子像素单元组111中的第二亚像素02；第二子像素单元组112中的第三亚像素03的形状沿第一方向翻转180度后与第一子像素单元组111中的第三亚像素03的形状相同；
第三接触孔V3位于第二子像素单元组112中的构成第三亚像素03的平行六边形所缺失的一角的一侧；第二接触孔V2位于第一接触孔V1与第三接触孔V3之间；第四接触孔V4位于第一子像素单元组111中的构成第三亚像素03的平行六边形所缺失的一角的一侧；第五接触孔V5位于第四接触孔V4与第六接触孔V6之间。
或者，为了增大有机电致发光器件的发光面积，在本发明实施例提供的上述有机电致发光显示器件中，如图9所示，每一像素单元组中，
第二亚像素02的形状呈平行六边形；第一子像素单元组111中的第一亚像素01的形状呈平行六边形缺失掉一角后的“船”形，且构成第一亚像素01的平行六边形所缺失的一角均靠近第一子像素单元组111中的第二亚像素02；第一子像素单元组111中的第一亚像素01的形状沿第二方向Y翻转180度后与第一子像素单元组111中的第三亚像素03的形状相同；第二子像素单元组112中的第一亚像素01的形状沿第一方向X翻转180度后与第一子像素单元组111中的第一亚像素01的形状相同；第二子像素单元组112中的第三亚像素03的形状沿第一方向X翻转180度后与第一子像素单元组111中的第三亚像素03的形状相同；
第一接触孔V1位于第一子像素单元组111中的构成第一亚像素01的平行六边形所缺失的一角的一侧；第三接触孔V3位于第二子像素单元组112中的构成第三亚像素03的平行六边形所缺失的一角的一侧；第二接触孔V2位于第一接触孔V1与第三接触孔V3之间；第六接触孔V6位于第二子像素单元组112中的构成第一亚像素01的平行六边形所缺失的一角的一侧；第四接触孔V4位于第一子像素单元组111中的构成第三亚像素03的平行六边形所缺失的一角的一侧；第五接触孔V5位于第四接触孔V4与第六接触孔V6之间。
在具体实施时，本发明实施例提供的上述有机电致发光显示器件，还可以如图10所示，每一像素单元组中，
第一接触孔V1位于第一子像素单元组111中的第一亚像素01与第二亚 像素02之间，第二接触孔V2和第三接触孔V3分别位于第二子像素单元组112中的第三亚像素03在第一方向X上的两侧；第四接触孔04被第一子像素单元组111的第三亚像03素包围；第五接触孔V5和第六接触孔V6均位于第二子像素单元组112中的第一亚像素01与第二亚像素02之间。
例如，在具体实施时，为了增大有机电致发光器件的发光面积，本发明实施例提供的上述有机电致发光显示器件，如图10所示，每一像素单元组中，
第一亚像素01和第二亚像素02形状均呈平行六边形；第一子像素单元组中的第三亚像素03呈中空的平行六边形，第二子像素单元组112中的第三亚像素03呈沙漏形。
或者，在具体实施时，本发明实施例提供的上述有机电致发光显示器件，还可以如图11所示，每一像素单元组中，
第一接触孔V1和第二接触孔V2均位于第一子像素单元组111中的第一亚像素01与第二亚像素02之间，第三接触孔V3被第二子像素单元组112的第三亚像素03包围；第四接触孔V4和第五接触孔V5分别位于第一子像素单元组111中的第三亚像素03在第一方向X上的两侧；第六接触孔V6位于第二子像素单元组112中的第一亚像素01与第二亚像素02之间。
例如，在具体实施时，为了增大有机电致发光器件的发光面积，如图11所示，每一像素单元组中，
第一亚像素01和第二亚像素03形状均呈平行六边形；第一子像素单元组111中的第三亚像素03呈沙漏形，第二子像素单元组112中的第三亚像素03呈中空的平行六边形。
例如，在本发明实施例提供的上述有机电致发光显示器件中，根据颜色不同的各亚像素的寿命及显示效果，第三亚像素为绿色亚像素。从而使绿色亚像素的大小分别小于红色亚像素和蓝色亚像素的大小。
例如，在本发明实施例提供的上述有机电致发光显示器件中，为了减少制作掩模板的次数，蓝色亚像素的大小等于红色亚像素的大小。
或者，例如，在本发明实施例提供的上述有机电致发光显示器件中，为了保证机电致发光显示器件的寿命，蓝色亚像素的大小大于红色亚像素的大小。
需要说明的是，本发明实施例提供的上述有机电致发光显示器件中，是 以亚像素的形状为平行六边形为例进行说明的，对于根据六边形进行倒角形成的圆形或椭圆形也属于本发明实施例的保护范围，在此不作限定。
本发明实施例还提供了一种上述任一种有机电致发光显示器件的驱动方法，包括：同一像素单元组中，第一子像素单元组和第二子像素单元组共用至少一个亚像素。例如第一子像素单元组中的第一亚像素和第二亚像素共用第二子像素单元组中的第三亚像素，或第一子像素单元组中的第二亚像素和第三亚像素共用第二子像素单元组中的第一亚像素，或第二子像素单元组中的第一亚像素和第二亚像素共用第一子像素单元组中的第三亚像素，或第二子像素单元组中的第一亚像素和第三亚像素共用第一子像素单元组中的第二亚像素。因此，采用上述同一像素单元组共用子像素的方式后，例如当原始像素个数为N时(N为大于或等于2的整数)，像素个数就可提升为3N/2，从而可以提高屏幕的虚拟显示分辨率。
本发明实施提供的上述驱动方法，通过采用同一像素单元组共用子像素的方式，可以提高屏幕的虚拟显示分辨率，从而可以将原始像素个数提升3/2倍。
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有机电致发光显示器件，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。对于该显示装置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。该显示装置的实施可以参见上述有机电致发光显示器件的实施例，重复之处不再赘述。
本发明实施例还提供了一种用于制造有机电致显示器件亚像素的掩模板，如图12所示，包括：基板100，以及位于基板100上以多列方式沿预设方向Z依次排列的多个大小相同的开口区域101，各开口区域101的形状均呈平行六边形，且相邻开口区域101的相邻边平行；
奇数列中任一开口区域101的中心位于偶数列中与该开口区域101相邻的两个开口区域101的中心连线的垂直平分线上，偶数列中任一开口区域101的中心位于奇数列中与该开口区域101相邻的两个开口区域101的中心连线的垂直平分线上；
且同一列中相邻的两个开口区域之间的宽度大于或等于该开口区域沿预 设方向Z的最大开口宽度的2倍。
本发明实施例提供的上述掩模板，由于各开口区域呈平行六边形，且相邻两个开口区域之间的距离比较大，因此可以增加掩模板的强度，有利于制作小尺寸的亚像素，进而有利于制备分辨率高的有机电致发光显示器件。
例如，本发明实施例提供的上述掩模板，沿预设方向相邻两个开口区域之间的宽度一般由所要制备的有机电致发光显示器件的亚像素排布方式决定，假设有机电致发光显示器件中相邻两个相同颜色的亚像素之间设置有两个其它颜色的亚像素，那么掩模板中沿预设方向相邻的两个开口区域之间的宽度就要保证至少可以设置两个其它亚像素，即至少保证要够设置两个开口区域的宽度，并且，由于对于有机电致发光显示器件，相邻亚像素之间一般还具有一定宽度的距离，因此掩模板中沿预设方向相邻的两个开口区域之间的宽度就要保证至少可以设置两个其它亚像素。
例如，采用本发明实施例提供的上述掩模板制备有机电致发光显示器件时，在形成亚像素阵列时，形成一种颜色的亚像素之后，需要形成其它颜色的亚像素时，不需要针对其它颜色的亚像素再单独制作掩模板，只需要将该掩模板平移一定位置后就可以形成其它颜色的亚像素，从而可以减少制备掩模板的数量。具体示意图如图13至图15所示，图中各六边形的虚线框表示对应的掩模板的开口区域101，其中，图13为利用图12所示的掩模板形成第一亚像素01之后的阵列基板10；图14为移动上述掩模板之后，在图13的阵列基板10的基础上形成第二亚像素02之后的阵列基板10；图15为移动上述掩模板之后，在图14的阵列基板10的基础上形成第三亚像素03之后的阵列基板10，即本发明实施例上述其中一种有机电致发光显示器件。
本发明实施例提供的上述掩模板，由于蒸镀时开口区域的边缘会对亚像素产生遮蔽效应，因此，一般掩模板的开口区域对应的亚像素的面积小于开口区域的面积。
例如，本发明实施例提供的上述掩模板，同一列中相邻的两个开口区域之间的宽度等于该开口区域沿预设方向的最大开口宽度的2倍。这样，当采用上述掩模板在阵列基板10上形成上述图15所示的亚像素排布时，从图15中的虚线框的排布可以看出，将形成每一种亚像素时的上述掩模板重叠在一起，相邻亚像素对应的掩模板中的开口区域101的相邻边是重合的，从而可 以保证阵列基板的开口率。
本发明实施例提供了一种有机电致发光显示器件、及其显示装置和制造有机电致发光显示器件亚像素的掩模板，由于每一像素单元组包括沿第一方向相邻设置的且分别包括三个颜色不同的亚像素的第一子像素单元组和第二子像素单元组；并且第一子像素单元组中的各亚像素与第二子像素单元组中的各亚像素沿第二方向呈错位排列，且衬底基板上任一亚像素的颜色均与与亚像素相邻的其它亚像素的颜色不相同；因此保证了衬底基板上相同颜色的亚像素呈有规律的交错排列。进而可以在制作相应的掩模板时，相同颜色的亚像素所对应的掩模板中的相邻开口区域之间的距离相对较大，增加了掩模板的强度，有利于制作小尺寸的亚像素，进而可以提高有机电致发光显示器件的分辨率。
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。
本申请基于并且要求于2014年11月28日递交的中国专利申请第201410714887.0号的优先权，在此全文引用上述中国专利申请公开的内容。

Claims (17)

  1. 一种有机电致发光显示器件，包括衬底基板以及位于所述衬底基板上的呈矩阵排列的多个像素单元组，且每一所述像素单元组包括沿第一方向相邻设置的且分别包括三个颜色不同的亚像素的第一子像素单元组和第二子像素单元组；其中，
    所述第一子像素单元组包括沿第二方向依次排列的第一亚像素、第二亚像素和第三亚像素，所述第二子像素单元组包括沿所述第二方向依次排列的第三亚像素、第一亚像素和第二亚像素；
    所述第一子像素单元组中的三个亚像素与所述第二子像素单元组中的三个亚像素沿所述第二方向呈错位排列，且所述衬底基板上任一亚像素的颜色均与与该亚像素相邻的其它亚像素的颜色不相同；
    所述像素单元组中各亚像素的形状呈边数大于或等于四的多边形。
  2. 如权利要求1所述的有机电致发光显示器件，其中在所述第一方向上，相邻两个第一亚像素的中心之间的距离与相邻两个第二亚像素的中心之间的距离、以及相邻两个第三亚像素的中心之间的距离相等。
  3. 如权利要求2所述的有机电致发光显示器件，其中所述第一亚像素、所述第二亚像素和所述第三亚像素由红色亚像素、绿色亚像素和蓝色亚像素组成。
  4. 如权利要求3所述的有机电致发光显示器件，其中在同一所述像素单元组中，所述第一子像素单元组中任一亚像素的中心与所述第二子像素单元组中与该亚像素相邻的两个亚像素的中心之间的距离在所述第二方向上的分量相等，所述第二子像素单元组中任一亚像素的中心与所述第一子像素单元组中与所述亚像素相邻的两个亚像素的中心之间的距离在所述第二方向上的分量相等。
  5. 如权利要求4所述的有机电致发光显示器件，其中各所述亚像素的形状均呈平行六边形或五边形，且相邻亚像素的相邻边平行。
  6. 如权利要求3所述的有机电致发光显示器件，其中每一所述像素单元组还包括与各所述亚像素一一对应的接触孔和像素电路，各所述亚像素通过对应的接触孔与对应的像素电路电连接；其中，
    与所述第一子像素单元组中的第一亚像素对应的第一接触孔、与所述第一子像素单元组中的第二亚像素对应的第二接触孔、与所述第二子像素单元组中的第三亚像素对应的第三接触孔在所述第一方向上对齐；
    与所述第一子像素单元组中的第三亚像素对应的第四接触孔、与所述第二子像素单元组中的第一亚像素对应的第五接触孔、与所述第二子像素单元组中的第二亚像素对应的第六接触孔在所述第一方向上对齐；
    且所述第一接触孔与所述第四接触孔在所述第二方向上对齐，所述第二接触孔与所述第五接触孔在所述第二方向上对齐，所述第三接触孔与所述第六接触孔在所述第二方向上对齐。
  7. 如权利要求6所述的有机电致发光显示器件，其中沿所述第一方向延伸的相邻的两个接触孔之间的距离相等，沿所述第二方向延伸的相邻的两个接触孔之间的距离相等。
  8. 如权利要求7所述的有机电致发光显示器件，其中每一所述像素单元组中：
    所述第一接触孔位于所述第一子像素单元组中的所述第一亚像素与所述第二亚像素之间，所述第二接触孔和所述第三接触孔分别位于第二子像素单元组中的所述第三亚像素在所述第一方向上的两侧；
    所述第四接触孔和所述第五接触孔分别位于第一子像素单元组中的所述第三亚像素在所述第一方向上的两侧；所述第六接触孔位于所述第二子像素单元组中的所述第一亚像素与所述第二亚像素之间。
  9. 如权利要求8所述的有机电致发光显示器件，其中每一所述像素单元组中：
    所述第一亚像素和所述第二亚像素的形状呈平行六边形，且所述第一亚像素和所述第二亚像素相邻边平行；所述第一子像素单元组中的所述第三亚像素的形状呈平行六边形缺失掉一角后的“船”形，且构成所述第三亚像素的平行六边形所缺失的一角靠近所述第一子像素单元组中的所述第二亚像素；所述第二子像素单元组中的所述第三亚像素的形状沿所述第一方向翻转180度后与所述第一子像素单元组中的所述第三亚像素的形状相同；
    所述第三接触孔位于所述第二子像素单元组中的构成所述第三亚像素的平行六边形所缺失的一角的一侧；所述第二接触孔位于所述第一接触孔与所 述第三接触孔之间；所述第四接触孔位于所述第一子像素单元组中的构成所述第三亚像素的平行六边形所缺失的一角的一侧；所述第五接触孔位于所述第四接触孔与所述第六接触孔之间。
  10. 如权利要求8所述的有机电致发光显示器件，其中每一所述像素单元组中：
    所述第二亚像素的形状呈平行六边形；所述第一子像素单元组中的所述第一亚像素的形状呈平行六边形缺失掉一角后的“船”形，且构成所述第一亚像素的平行六边形所缺失的一角均靠近所述第一子像素单元组中的所述第二亚像素；所述第一子像素单元组中的所述第一亚像素的形状沿所述第二方向翻转180度后与所述第一子像素单元组中的所述第三亚像素的形状相同；所述第二子像素单元组中的所述第一亚像素的形状沿所述第一方向翻转180度后与所述第一子像素单元组中的所述第一亚像素的形状相同；所述第二子像素单元组中的所述第三亚像素的形状沿所述第一方向翻转180度后与所述第一子像素单元组中的所述第三亚像素的形状相同；
    所述第一接触孔位于所述第一子像素单元组中的构成所述第一亚像素的平行六边形所缺失的一角的一侧；所述第三接触孔位于所述第二子像素单元组中的构成所述第三亚像素的平行六边形所缺失的一角的一侧；所述第二接触孔位于所述第一接触孔与所述第三接触孔之间；所述第六接触孔位于所述第二子像素单元组中的构成所述第一亚像素的平行六边形所缺失的一角的一侧；所述第四接触孔位于所述第一子像素单元组中的构成所述第三亚像素的平行六边形所缺失的一角的一侧；所述第五接触孔位于所述第四接触孔与所述第六接触孔之间。
  11. 如权利要求7所述的有机电致发光显示器件，其中每一所述像素单元组中：
    所述第一接触孔位于所述第一子像素单元组中的所述第一亚像素与所述第二亚像素之间，所述第二接触孔和所述第三接触孔分别位于第二子像素单元组中的所述第三亚像素在所述第一方向上的两侧；所述第四接触孔被所述第一子像素单元组的所述第三亚像素包围；所述第五接触孔和所述第六接触孔均位于第二子像素单元组中的所述第一亚像素与所述第二亚像素之间。
  12. 如权利要求11所述的有机电致发光显示器件，其中每一所述像素单 元组中：
    所述第一亚像素和所述第二亚像素形状均呈平行六边形；所述第一子像素单元组中的第三亚像素呈中空的平行六边形，所述第二子像素单元组中的第三亚像素呈沙漏形。
  13. 如权利要求7所述的有机电致发光显示器件，其中每一所述像素单元组中：
    所述第一接触孔和所述第二接触孔均位于第一子像素单元组中的所述第一亚像素与所述第二亚像素之间，所述第三接触孔被所述第二子像素单元组的所述第三亚像素包围；所述第四接触孔和所述第五接触孔分别位于第一子像素单元组中的所述第三亚像素在所述第一方向上的两侧；所述第六接触孔位于所述第二子像素单元组中的所述第一亚像素与所述第二亚像素之间。
  14. 如权利要求13所述的有机电致发光显示器件，其中每一所述像素单元组中：
    所述第一亚像素和所述第二亚像素形状均呈平行六边形；所述第一子像素单元组中的第三亚像素呈沙漏形，所述第二子像素单元组中的第三亚像素呈中空的平行六边形。
  15. 如权利要求1-14任一项所述的有机电致发光显示器件，其中所述第三亚像素为绿色亚像素。
  16. 一种显示装置，包括如权利要求1-15任一项所述的有机电致发光显示器件。
  17. 一种用于制造有机电致显示器件亚像素的掩模板，包括：基板，以及位于所述基板上多列沿预设方向依次排列的多个大小相同的开口区域，各所述开口区域的形状均呈平行六边形，且相邻开口区域的相邻边平行；
    奇数列中任一开口区域的中心位于偶数列中与所述开口区域相邻的两个开口区域的中心连线的垂直平分线上，所述偶数列中任一开口区域的中心位于所述奇数列中与所述开口区域相邻的两个开口区域的中心连线的垂直平分线上；
    且同一列中相邻的两个开口区域之间的宽度大于或等于所述开口区域沿所述预设方向的最大开口宽度的2倍。
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