WO2021083048A1 - 显示背板、掩膜版组件和显示装置 - Google Patents

显示背板、掩膜版组件和显示装置 Download PDF

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Publication number
WO2021083048A1
WO2021083048A1 PCT/CN2020/123268 CN2020123268W WO2021083048A1 WO 2021083048 A1 WO2021083048 A1 WO 2021083048A1 CN 2020123268 W CN2020123268 W CN 2020123268W WO 2021083048 A1 WO2021083048 A1 WO 2021083048A1
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Prior art keywords
light
emitting layer
sub
vertex
pixel
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PCT/CN2020/123268
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English (en)
French (fr)
Inventor
徐鹏
丁渭渭
邓江涛
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京东方科技集团股份有限公司
成都京东方光电科技有限公司
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Publication of WO2021083048A1 publication Critical patent/WO2021083048A1/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
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/04—Coating on selected surface areas, e.g. using masks
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/04—Coating on selected surface areas, e.g. using masks
    • C23C14/042—Coating on selected surface areas, e.g. using masks using masks
    • 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
    • H10K71/164—Deposition of organic active material using physical vapour deposition [PVD], e.g. vacuum deposition or sputtering using vacuum deposition
    • 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
    • H10K2101/00—Properties of the organic materials covered by group H10K85/00
    • H10K2101/10—Triplet emission
    • 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
    • H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
    • H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers

Definitions

  • This application relates to the field of display technology, in particular, to a display backplane, a mask assembly and a display device.
  • the light-emitting layer is usually formed in the opening of the pixel definition layer (PDL) by evaporation method, and each light-emitting layer needs to be combined with one
  • PDL pixel definition layer
  • the pixel defining layer corresponds to the opening, so it is necessary to use a mask (such as a high-precision metal mask (FMM)) to form the light-emitting layer at the corresponding opening position, that is, the mask has an FMM opening corresponding to the PDL opening.
  • FMM high-precision metal mask
  • the light-emitting layer material is deposited in the PDL opening through the FMM opening.
  • the pixel area is not fully utilized, and the risk of product color mixing or lack of color is high.
  • an objective of the present application is to provide a display backplane that can improve color mixing, lack of color, or increase the aperture ratio.
  • the present application provides a display backplane.
  • the display backplane includes: a substrate; a plurality of first sub-pixels and a plurality of second sub-pixels arranged alternately along a first direction on the substrate, the first sub-pixels including the first sub-pixels A light-emitting layer, the second sub-pixel includes a second light-emitting layer, the first light-emitting layer and the second light-emitting layer are both polygonal, and the first light-emitting layer and the first light-emitting layer adjacent in the first direction
  • the second light-emitting layer has a relatively set top corner in the first direction;
  • the pixel defining layer has a plurality of openings configured to define light-emitting regions of a plurality of first sub-pixels and a plurality of second sub-pixels; wherein, adjacent In the opposite vertex angles of the first light-emitting layer and the second light-emitting layer, the vertex
  • the line connecting the two ends of the arc segment or the straight segment extends in a second direction, and the second direction is perpendicular to the first direction.
  • the point at which the extension lines of the two sides of the round chamfer or the flat chamfer intersect in the direction of the vertex are the virtual vertex of the vertex; the virtual vertex of the first vertex and the vertex The virtual vertex of the second vertex is located on a straight line parallel to the first direction.
  • the orthographic projection of the virtual vertex of the first vertex on the substrate is within the orthographic projection of the second light-emitting layer on the substrate, and the virtual vertex of the second vertex is on the substrate.
  • the orthographic projection on the substrate is located within the orthographic projection of the first light-emitting layer on the substrate.
  • the shape of the first light-emitting layer and the second light-emitting layer is quadrilateral, hexagonal or octagonal, and the opposite tops of the first light-emitting layer and the second light-emitting layer
  • the angle at the virtual vertex of the angle is 45 degrees-135 degrees.
  • the first apex angle and the second apex angle both have the arc line segment, and the arc line segment of the first apex angle and the arc line segment of the second apex angle It is symmetrical with respect to a straight line perpendicular to the first direction; or, the first apex angle and the second apex angle both have the straight line section, and the straight line section of the first apex angle and the straight line of the second apex angle
  • the segments are symmetrical with respect to a line perpendicular to the first direction.
  • a plurality of the first sub-pixels and a plurality of the second sub-pixels are alternately arranged in both the first direction and the second direction, and the first sub-pixels that are adjacent in the first direction are arranged alternately.
  • a light-emitting layer and the second light-emitting layer have the oppositely arranged apex angles in the first direction, and the first light-emitting layer and the second light-emitting layer that are adjacent in the second direction are in the The second direction has opposite apex angles; wherein, in the first direction and the second direction, in the opposite apex angles of the adjacent first light-emitting layer and the second light-emitting layer, the The vertex angle of the first light emitting layer opposite to the vertex angle of the second light emitting layer is the third vertex angle, and the vertex angle of the second light emitting layer opposite to the vertex angle of the first light emitting layer is the fourth vertex angle.
  • the apex angle at least one of the third apex angle and the fourth apex angle at the opposing apex angle of the first light-emitting layer and/or the second light-emitting layer is defined by the apex angle
  • the part where the two sides extend and meet the vertex of the vertex is formed as an arc segment or a straight segment so that the vertex is rounded or chamfered; and in the first direction and the second direction
  • the orthographic projection of the round or chamfered arc or straight line segment on the substrate is located in the light-emitting area of the first sub-pixel and the light-emitting area of the second sub-pixel is in the There is no overlap between the orthographic projection of the substrate and the orthographic projection of the light-emitting area of the first sub-pixel and the light-emitting area of the second sub-pixel on the substrate.
  • the display backplane further includes a plurality of third sub-pixels, and the third sub-pixels are formed into two first sub-pixels and two second sub-pixels in a 2*2 matrix.
  • the third sub-pixel includes a third light-emitting layer, and the opening of the pixel defining layer is configured to define the light-emitting area of the third sub-pixel.
  • the centers of the light-emitting regions of the two first sub-pixels and the two second sub-pixels forming the 2*2 matrix are respectively located at four vertices of a virtual rectangle, and the The light-emitting area of the third sub-pixel surrounded by the two first sub-pixels and the two second sub-pixels is located at the center of the virtual rectangle.
  • the first light-emitting layer, the second light-emitting layer, and the third light-emitting layer are all rectangular with rounded corners, or the first light-emitting layer and the second light-emitting layer are both Each of the four corners is rectangular, and the third light-emitting layer is rectangular with rounded corners.
  • the first light-emitting layer and the second light-emitting layer have gaps at their respective vertex corners and the boundary of the third light-emitting layer, and the first light-emitting layer and the second light-emitting layer are connected to the third light-emitting layer at a non-apex corner of one side.
  • the boundaries of the light-emitting layers meet.
  • the first sub-pixel is a red sub-pixel
  • the second sub-pixel is a blue sub-pixel
  • the third sub-pixel is a green sub-pixel
  • the first light-emitting layer and the second light-emitting layer are both square with rounded corners, and the area of the second light-emitting layer is larger than the area of the first light-emitting layer, and the third light-emitting layer has rounded corners. Rectangle, and the long side of the rounded rectangle is the side close to the second light-emitting layer, and the short side of the rounded rectangle is the side close to the first light-emitting layer.
  • the present application provides a display backplane.
  • the display backplane includes: a substrate; a plurality of first sub-pixels and a plurality of second sub-pixels arranged alternately along a first direction on the substrate, the first sub-pixels including the first sub-pixels A light-emitting layer, the second sub-pixel includes a second light-emitting layer, and the first light-emitting layer and the second light-emitting layer adjacent in the first direction have opposite apex angles in the first direction ,
  • the apex angle of the first light-emitting layer opposite to the apex angle of the second light-emitting layer is the first apex angle, and the apex angle of the second light-emitting layer opposite to the apex angle of the first light-emitting layer is At a second vertex angle
  • the first light-emitting layer includes a first light-emitting layer body and a first compensating
  • the first compensation part and the second compensation part are partially overlapped; the pixel defining layer has a plurality of openings configured to define a plurality of the first sub-pixels and a plurality of the second sub-pixels.
  • the orthographic projection on the substrate falls within the orthographic projection of the second light-emitting layer on the substrate, and in the first direction, the first compensation portion and the second compensation portion are in the
  • the orthographic projection of the substrate is located between the light-emitting area of the first sub-pixel and the light-emitting area of the second sub-pixel between the orthographic projection of the substrate, and is in contrast to the light-emitting area of the first sub-pixel and the second sub-pixel.
  • the light-emitting areas of the sub-pixels
  • the first compensation portion includes two adjacent sides of the first light-emitting layer main body, and the parts close to the first vertex angle respectively expand in a direction away from the first light-emitting layer main body.
  • the segment is either a polyline segment; the contour of the second protruding structure connecting the two adjacent sides of the second light-emitting layer is an arc segment or a polyline segment.
  • the point where the extension lines of the two adjacent sides of the first light-emitting layer body intersect is a first virtual vertex
  • the extension line of the two adjacent sides of the second light-emitting layer body The intersecting point is a second virtual vertex
  • the first virtual vertex is located in the first compensation portion
  • the second virtual vertex is located in the second compensation portion.
  • the length of the part of the side that extends away from the first light-emitting layer main body occupies 1/5 to 1/3 of the total size of the first light-emitting layer in the extending direction of the side.
  • the polyline segment includes a plurality of linear segments connected in sequence, wherein the point where the two linear segments connected to the main body of the light-emitting layer intersect an extension line in a direction approaching each other in the polyline segment is a virtual The intersection point, the line between the two end points of the polyline segment connected to the main body of the light-emitting layer and the virtual intersection point and the polyline segment together form a virtual polygon.
  • the contours of the first protruding structure and the second protruding structure are both arc segments, and the radius of curvature of the arc segment formed by the contours of the first protruding structure is said 1/5 to 1/3 of the side length of the first light-emitting layer, and the radius of curvature of the arc segment formed by the contour of the second convex structure is 1/5 to 1/ of the side length of the second light-emitting layer 3;
  • the contours of the first protruding structure and the second protruding structure are both broken line segments, and the side length of the virtual polygon formed by the broken line segment formed by the contours of the first protruding structure is the first 1/5 to 1/3 of the side length of a light-emitting layer, and the side length of a virtual polygon formed by the polygonal segment formed by the contour of the second convex structure is 1/5 to 1/3 of the side length of the second light-emitting layer 1/3.
  • the contour of the first convex structure and the contour of the second convex structure are both arc segments, and the arc segment formed by the contour of the first convex structure and the The arc segment formed by the contour of the second protruding structure is symmetrical with respect to a straight line perpendicular to the first direction; or, the contour of the first protruding structure and the contour of the second protruding structure are both broken line segments, and The fold line segment formed by the contour of the first convex structure and the fold line segment formed by the contour of the second convex structure are symmetrical with respect to a straight line perpendicular to the first direction.
  • the virtual vertex of the first vertex and the virtual vertex of the second vertex are located on a straight line parallel to the first direction.
  • the orthographic projection of the virtual vertex of the first vertex angle on the substrate is within the orthographic projection of the second light-emitting layer on the substrate, and the virtual vertex of the second vertex angle is The orthographic projection on the substrate is located within the orthographic projection of the first light-emitting layer on the substrate.
  • the shape of the first light-emitting layer and the second light-emitting layer is a quadrilateral, a hexagon, or an octagon with a convex apex structure
  • the virtual apex of the first apex angle is The angle and the angle derived from the virtual apex angle of the second apex angle are respectively 45 degrees to 135 degrees.
  • a plurality of the first sub-pixels and a plurality of the second sub-pixels are alternately arranged in a second direction perpendicular to the first direction, and the adjacent ones in the second direction
  • the first light-emitting layer and the second light-emitting layer have opposite apex angles in the second direction; wherein, in the second direction, the first light-emitting layer and the second light-emitting layer
  • the vertex angle opposite to the vertex angle is the third vertex angle
  • the vertex angle of the second light-emitting layer opposite to the vertex angle of the first light-emitting layer is the fourth vertex angle
  • the first light-emitting layer includes the third vertex angle.
  • a third compensating part protruding at the top corner, the third compensating part and the first light-emitting layer body are connected as a whole at the third top corner, and the second light-emitting layer includes a convex part at the fourth top corner.
  • the fourth compensation portion is connected to the second light-emitting layer body at the fourth vertex angle, and the third compensation portion and the fourth compensation portion partially overlap; and
  • the orthographic projection of the third compensation portion and the fourth compensation portion on the substrate is located in the light-emitting area of the first sub-pixel and the light-emitting area of the second sub-pixel is located in the There is no overlap between the orthographic projection of the substrate and the orthographic projection of the light-emitting area of the first sub-pixel and the light-emitting area of the second sub-pixel on the substrate.
  • it further includes a plurality of third sub-pixels, the third sub-pixels are surrounded by two first sub-pixels and two second sub-pixels formed in a 2*2 matrix; the third sub-pixels
  • the pixel includes a third light-emitting layer, and the opening of the pixel defining layer is configured to define the light-emitting area of the third sub-pixel.
  • the centers of the light-emitting areas of the two first sub-pixels and the two second sub-pixels forming a 2*2 matrix are respectively located at the four vertices of a virtual rectangle, and the two first sub-pixels are formed by the two first sub-pixels and the two second sub-pixels.
  • the light-emitting area of the third sub-pixel surrounded by the sub-pixel and the two second sub-pixels is located at the center of the virtual rectangle.
  • the contours of the convex structures at the top corners of the first light-emitting layer and the second light-emitting layer are all arc segments, and the third light-emitting layer is a rectangle with rounded corners, or
  • the contours of the convex structures at the top corners of the first light-emitting layer and the second light-emitting layer are all broken line segments, and the third light-emitting layer is a rectangle with rounded corners.
  • the first sub-pixel is a red sub-pixel
  • the second sub-pixel is a blue sub-pixel
  • the third sub-pixel is a green sub-pixel
  • the first light-emitting layer and the second light-emitting layer are both squares with protruding structures at four corners, and the contours of the protruding structures at the four corners are all circular arcs, and
  • the area of the second light-emitting layer is larger than the area of the first light-emitting layer
  • the third light-emitting layer is a rectangle with rounded corners, and the long side of the rounded rectangle is the side close to the second light-emitting layer, so The short side of the rounded rectangle is the side close to the first light-emitting layer.
  • the present application provides a display backplane.
  • the display backplane includes: a substrate; a plurality of first sub-pixels and a plurality of second sub-pixels arranged alternately along a first direction on the substrate, the first sub-pixels including the first sub-pixels A light-emitting layer, the second sub-pixel includes a second light-emitting layer, the first light-emitting layer and the second light-emitting layer are both polygonal, and the first light-emitting layer and the first light-emitting layer adjacent in the first direction
  • the second light-emitting layer has a relatively set top corner in the first direction;
  • the pixel defining layer has a plurality of openings configured to define light-emitting regions of a plurality of first sub-pixels and a plurality of second sub-pixels; wherein, adjacent In the opposite vertex angles of the first light-emitting layer and the second light-emitting layer, the vertex
  • the straight line segment of the flat chamfer is located in the orthographic projection of the substrate on the light-emitting area of the first sub-pixel and in the first direction.
  • the light-emitting area of the second sub-pixel is between the orthographic projection of the substrate, and does not overlap with the light-emitting area of the first sub-pixel and the light-emitting area of the second sub-pixel on the orthographic projection of the substrate. .
  • a plurality of the first sub-pixels and a plurality of the second sub-pixels are alternately arranged in a second direction perpendicular to the first direction, and all adjacent ones in the second direction are arranged alternately.
  • the first light-emitting layer and the second light-emitting layer have opposite apex angles in the second direction; wherein, in the second direction, the adjacent first light-emitting layer and the second light-emitting layer Among the opposite vertex angles of the light-emitting layer, the vertex angle of the first light-emitting layer opposite to the vertex angle of the second light-emitting layer is the third vertex angle, and the vertex angle of the second light-emitting layer and the first light-emitting layer are The vertex angle opposite to the vertex angle is the fourth vertex angle, and the part where the two sides of at least one vertex angle of the third vertex angle and the fourth vertex angle extend and meet the vertex of the vertex angle is formed as a straight line Line segments such that the apex angle becomes a flat chamfer, and the straight line segment of the third apex angle and the straight line segment of the fourth apex angle at least partially overlap; and in the second direction, the flat chamfer
  • the present application provides a mask assembly for preparing the light-emitting layer in the aforementioned display backplane.
  • the mask assembly includes: a first mask, the first mask having a plurality of first openings for forming a first light-emitting layer; a second mask, the The second mask has a plurality of second openings for forming the second light-emitting layer.
  • the mask assembly further includes: a third mask, the third mask having a plurality of third openings for forming the third light-emitting layer.
  • FIG. 1 is a schematic diagram of a partial plane structure of a display backplane according to an embodiment of the present application.
  • FIG. 2 is a schematic partial plan view of a display backplane according to another embodiment of the present application.
  • Fig. 3 is a schematic sectional view of the structure along the line a-a in Fig. 1.
  • FIG. 4 is a schematic diagram of a partial plane structure of a display backplane according to another embodiment of the present application.
  • FIG. 5 is a schematic diagram of a partial plane structure of a display backplane according to another embodiment of the present application.
  • FIG. 6 is a schematic diagram of a partial plane structure of a display backplane according to another embodiment of the present application.
  • FIG. 7 is a schematic diagram of a partial plane structure of a display backplane according to another embodiment of the present application.
  • FIG. 8 is a schematic diagram of a partial plane structure of a display backplane according to another embodiment of the present application.
  • FIG. 9 is a schematic diagram of a partial plane structure of a display backplane according to another embodiment of the present application.
  • FIG. 10 is a schematic diagram of a partial plane structure of a display backplane according to another embodiment of the present application.
  • FIG. 11 is a schematic diagram of a partial plane structure of a display backplane according to another embodiment of the present application.
  • FIG. 12 is a schematic diagram of a partial plane structure of a display backplane according to another embodiment of the present application.
  • FIG. 13 is a schematic diagram of a partial plane structure of a display backplane according to another embodiment of the present application.
  • FIG. 14 is a schematic diagram of a partial plane structure of a display backplane according to another embodiment of the present application.
  • FIG. 15 is a schematic diagram of a partial plane structure of a display backplane according to another embodiment of the present application.
  • FIG. 16 is a schematic diagram of a partial plane structure of a first mask plate according to an embodiment of the present application.
  • FIG. 17 is a schematic diagram of a partial plane structure of a second mask of an embodiment of the present application.
  • FIG. 18 is a schematic diagram of a partial plane structure when the first mask and the second mask are stacked and aligned in an embodiment of the present application.
  • FIG. 19 is a schematic diagram of a partial plane structure of a third mask according to an embodiment of the present application.
  • FIG. 20 is a schematic diagram of a partial plane structure when the first mask, the second mask, and the third mask are stacked and aligned in an embodiment of the present application.
  • the present application provides a display backplane.
  • the display backplane includes: a substrate 100; a plurality of first sub-pixels and a plurality of second sub-pixels arranged alternately along the first direction on the substrate.
  • the first sub-pixel includes a first light-emitting layer 10
  • the second sub-pixel includes a second light-emitting layer 20
  • the first light-emitting layer 10 and the second light-emitting layer 20 are both polygonal, and
  • the first light-emitting layer 10 and the second light-emitting layer 20 adjacent in the first direction have oppositely arranged apex angles in the first direction
  • the pixel defining layer 200 has a plurality of openings 210 configured to define a plurality of The light-emitting area 12 of the first sub-pixel and the light-emitting area 22 of the plurality of second sub-pixels; wherein, the first light-emitting layer 10 and the second light-emitting layer 20 are adjacent to each other in the opposing corners.
  • the vertex angle of a light emitting layer 10 opposite to the vertex angle of the second light emitting layer 20 is the first vertex angle 14, and the vertex angle of the second light emitting layer 20 opposite to the vertex angle of the first light emitting layer 10 Is the second apex angle 24, and the part where the two sides of at least one of the first apex angle 14 and the second apex angle 24 extend to its apex and meet is formed as an arc line segment 110 or a straight line segment 120 In order to make the apex angle a round or flat chamfer (in addition, it is understandable that there may be a gap 1 between the first apex angle 14 and the second apex angle 24, as shown in FIG.
  • the orthographic projection of the light-emitting area 12 of the first sub-pixel on the substrate 100 falls into the area of the first light-emitting layer 10 on the substrate 100
  • the orthographic projection of the light-emitting area 22 of the second sub-pixel on the substrate 100 falls within the orthographic projection of the second light-emitting layer 20 on the substrate 100, and is in the first direction.
  • the orthographic projection of the round or chamfered arc segment 110 or the straight line segment 120 on the substrate 100 is located in the light-emitting area 12 of the first sub-pixel and the light-emitting area of the second sub-pixel 22 is between the orthographic projections of the substrate 100 and does not overlap with the orthographic projections of the light-emitting area 12 of the first sub-pixel and the light-emitting area 22 of the second sub-pixel on the substrate 100.
  • the first apex corner and the second apex corner are rounded or flat chamfered, and there is a gap between the apex corners of the adjacent first light-emitting layer and the second light-emitting layer, or the adjacent second light-emitting layer There is no gap between the top corners of the first light-emitting layer and the second light-emitting layer, which can effectively improve the risk of color mixing at the top corners of the light-emitting layer, and is easy to prepare.
  • the substrate in the display backplane is not particularly limited, and can be a glass substrate, a polymer substrate, etc.
  • the specific thickness, shape, and size can be selected according to actual usage requirements, and will not be repeated here.
  • the first light-emitting layer and the second light-emitting layer herein may be organic layers, which may include an electron injection layer, an electron transport layer, an organic light-emitting layer, a hole transport layer, a hole injection layer, etc., which are stacked.
  • the electron injection layer, electron transport layer, hole transport layer, and hole injection layer can be an entire layer structure formed by an open mask.
  • the electron injection layer as an example, that is, multiple first light-emitting layers and multiple second light-emitting layers
  • the electron injection layers in the layers are connected to each other to form a continuous whole layer structure, while the organic light-emitting layer is a patterned layer structure corresponding to each sub-pixel, that is, a film layer formed by FMM.
  • round chamfer in this article refers to the angle formed by the corner rounding of the polygon
  • flat chamfering refers to the angle formed by replacing the arc segment of the round and chamfering with a straight line segment.
  • the size of the gap 1 can be greater than 0 and less than or equal to 0.41X, where X is the distance between two adjacent openings in the pixel defining layer.
  • the area of the display backplane can be further utilized by rationally arranging different sub-pixels, so that the area of the light-emitting area accounts for a larger proportion. Higher PPI and better display effect.
  • the connecting line 112 (refer to FIG. 1) between the two ends of the arc segment 110 (refer to FIG. 2) or the straight line segment 120 (refer to FIG. 2) may extend in a second direction.
  • the first direction is vertical.
  • the point where the extension lines of the two sides of the round chamfer or the flat chamfer in the direction of the vertex intersect are the virtual vertex of the vertex; referring to FIG. 1 and FIG. 2, the The virtual vertex 141 of the first vertex 14 and the virtual vertex 241 of the second vertex 24 are located on a straight line aa or ee parallel to the first direction.
  • the virtual vertex 141 of the first vertex 14 and the virtual vertex 241 of the second vertex 24 are staggered in the first direction, that is, the virtual vertex 141 of the first vertex 14 is located in the first direction.
  • the virtual vertex 241 of the two vertex corners 24 is far away from the first sub-pixel, and the virtual vertex 241 of the second vertex corner 24 is located on the side of the virtual vertex 141 of the first vertex corner 14 away from the second sub-pixel.
  • FIG. 4 referring to FIG.
  • the orthographic projection of the virtual vertex 141 of the first vertex 14 on the substrate is located within the orthographic projection of the second light-emitting layer 20 on the substrate.
  • the orthographic projection of the virtual vertex 241 of the two vertex corners 24 on the substrate is located within the orthographic projection of the first light-emitting layer 10 on the substrate. Therefore, in the first direction, the gap 1 between the adjacent first light-emitting layer and the second light-emitting layer is smaller, and the area of the light-emitting region occupies a larger proportion, which can achieve higher pixel density and better display effect. it is good.
  • the shape of the first light-emitting layer and the second light-emitting layer may be quadrangular, hexagonal, or octagonal.
  • the angle ⁇ 1 and the angle ⁇ 2 at the virtual vertex of the second vertex angle of the second light-emitting layer may be 45 degrees to 135 degrees independently, and specifically may be 45 degrees, 60 degrees, 90 degrees, 120 degrees, 135 degrees, etc. .
  • the first apex angle 14 and the second apex angle 24 both have the arc segment 110, and the arc segment of the first apex angle is the same as the first apex angle.
  • the arc segments of the two vertex angles are symmetrical with respect to the straight line cc perpendicular to the first direction; or, referring to FIG. 2, both the first vertex angle 14 and the second vertex angle 24 have the straight line segment 120, and the first vertex angle
  • the straight line segment of a vertex angle and the straight line segment of the second vertex angle are symmetrical with respect to a straight line dd perpendicular to the first direction.
  • a plurality of the first sub-pixels and a plurality of the second sub-pixels are alternately arranged in the second direction, and all adjacent ones in the second direction are arranged alternately.
  • the first light-emitting layer 10 and the second light-emitting layer 20 have opposite apex angles in the second direction; wherein, in the second direction, the adjacent first light-emitting layer 10 and the second light-emitting layer Among the opposite apex angles of the layer 20, the apex angle of the first light-emitting layer 10 opposite to the apex angle of the second light-emitting layer 20 is the third apex angle 16, and the second light-emitting layer 20 and the The vertex angle opposite to the vertex angle of the first light-emitting layer 10 is a fourth vertex angle 26, and two sides of at least one vertex angle of the third vertex angle 16 and the fourth vertex angle 26 face the vertex angle.
  • the part where the apex extends and meets is formed as an arc 130 or a straight line 140 so that the apex angle becomes a round chamfer or a flat chamfer (in addition, it can be understood that the aforementioned third apex angle 16 and the There may be a gap 2 between the fourth apex angle 26, and FIG. 1 and FIG.
  • the angular arc line segment 130 or the straight line segment 140 on the substrate in the orthographic projection is located between the light-emitting area 12 of the first sub-pixel and the light-emitting area 22 of the second sub-pixel in the orthographic projection of the substrate, and There is no overlap with the orthographic projection of the light-emitting area 12 of the first sub-pixel and the light-emitting area 22 of the second sub-pixel on the substrate. Therefore, in the second direction, the risk of color mixing between the first light-emitting layer and the second light-emitting layer can be well avoided.
  • the third apex angle and the fourth apex angle may also be set in the above-mentioned manner of the first apex angle and the second apex angle.
  • the two end points of the arc segment 130 The connecting line 132 (refer to FIG. 1) or the straight section 140 (refer to FIG. 2) may extend in the first direction.
  • the point at which the round chamfer or the two sides of the flat chamfer at the third vertex and the fourth vertex intersect the extension lines of the vertex direction thereof is the virtual vertex of the vertex; 1 and 2, the virtual vertex 161 of the third vertex 16 and the virtual vertex 261 of the fourth vertex 26 are located on a straight line bb or ff parallel to the second direction.
  • the virtual vertex 161 of the third vertex 16 and the virtual vertex 261 of the fourth vertex 26 are interlaced in the third direction, that is, the virtual vertex 161 of the third vertex 16 is located on the fourth vertex.
  • the virtual vertex 261 of the vertex 26 is far away from the first sub-pixel, and the virtual vertex 261 of the fourth vertex 26 is located on the virtual vertex 161 of the third vertex 16 away from the second sub-pixel.
  • the orthographic projection of the virtual vertex 161 of the third vertex 16 on the substrate is located within the orthographic projection of the second light-emitting layer 20 on the substrate.
  • the orthographic projection of the virtual vertices 261 of the four vertex corners 26 on the substrate is within the orthographic projection of the first light-emitting layer 10 on the substrate. Therefore, in the second direction, the gap between the adjacent first light-emitting layer and the second light-emitting layer is smaller, the area of the light-emitting region occupies a larger proportion, and the display effect is better.
  • the third vertex 16 and the fourth vertex 26 both have the arc segment 130, and the arc segment of the third vertex and the first The arc segments of the four vertices are symmetrical with respect to the straight line gg perpendicular to the second direction; or, referring to FIG. 2, the third vertices 16 and the fourth vertices 26 both have the straight segments 140, and the first The straight line segment of the three vertex angles and the straight line segment of the fourth vertex angle are symmetrical with respect to a straight line hh perpendicular to the second direction.
  • the display backplane further includes a plurality of third sub-pixels, and the third sub-pixels are formed as two first sub-pixels and two sub-pixels in a 2*2 matrix.
  • the third sub-pixel Surrounded by the second sub-pixel; the third sub-pixel includes a third light-emitting layer 30, and the opening of the pixel defining layer is configured to define the light-emitting area 32 of the third sub-pixel.
  • the centers of the light-emitting regions of the two first sub-pixels and the two second sub-pixels forming a 2*2 matrix are respectively located at the four vertices of a virtual rectangle 40, and the two second sub-pixels
  • the light-emitting area 32 of the third sub-pixel surrounded by one sub-pixel and two second sub-pixels is located at the center 42 of the virtual rectangle.
  • the first light-emitting layer 10, the second light-emitting layer 20, and the third light-emitting layer 30 are all rounded rectangles (the four corners of the rectangle are rounded). 7), or, referring to FIG. 7, the first light-emitting layer 10 and the second light-emitting layer 20 are both rectangular and the four corners of each are flat and chamfered, and the third light-emitting layer 30 is rounded. rectangle. It should be noted that, in order to ensure the processing yield and avoid alignment deviation (Margin), the light-emitting area is not formed with an organic light-emitting layer and cannot emit light.
  • the light-emitting layer is generally expanded according to a certain ratio according to the corresponding light-emitting area. Therefore, the first The light-emitting area 12 of the sub-pixel, the light-emitting area 22 of the second sub-pixel, and the light-emitting area 32 of the third sub-pixel are similar in shape and contour to the first light-emitting layer 10, the second light-emitting layer 20, and the third light-emitting layer 30, respectively.
  • the The first light-emitting layer 10 and the second light-emitting layer 20 have gaps at their respective top corners and the boundary of the third light-emitting layer 30, and the first light-emitting layer 10 and the second light-emitting layer
  • the layer 20 is in contact with the boundary of the third light-emitting layer at a non-vertex corner of one side.
  • the first sub-pixel is a red sub-pixel
  • the second sub-pixel is a blue sub-pixel
  • the third sub-pixel is a green sub-pixel.
  • the luminous efficiency or brightness of the blue organic light-emitting layer is lower than that of red light and green light, so that the area of the light-emitting layer and the area of the light-emitting region of the blue sub-pixel can be made larger than that of the red sub-pixel and the red sub-pixel.
  • the areas of the light-emitting layer and the light-emitting region of the green sub-pixels are both large to achieve a better color display effect.
  • the first light-emitting layer 10 and the second light-emitting layer 20 are both rounded squares, and the area of the second light-emitting layer 20 is larger than the area of the first light-emitting layer 10.
  • the third light-emitting layer 30 is a rectangle with rounded corners, the long side 34 of the rounded rectangle is the side close to the second light-emitting layer 20, and the short side 36 of the rounded rectangle is close to the first side.
  • the long sides of the two adjacent third light-emitting layers are inclined in the opposite direction relative to the second direction, and relative to a straight line parallel to the second direction. ii Symmetrical.
  • the area of the light-emitting area occupies a larger proportion, which can make full use of the area of the display backplane and improve the display quality.
  • the present application provides a display backplane.
  • the display backplane includes: a substrate 100; a plurality of first sub-pixels and a plurality of second sub-pixels arranged alternately along the first direction on the substrate 100 ,
  • the first sub-pixel includes a first light-emitting layer 10
  • the second sub-pixel includes a second light-emitting layer 20, and the first light-emitting layer 10 and the second light-emitting layer 20 are adjacent in the first direction.
  • the apex angle of the first light-emitting layer 10 opposite to the apex angle of the second light-emitting layer 20 is the first apex angle 14
  • the second light-emitting layer is the second apex angle 24
  • the first light-emitting layer 10 includes the first light-emitting layer body 11 and the first apex angle 14 protruding from the first apex angle. Compensation part 13.
  • the first compensation part 13 and the first light-emitting layer body 11 are connected as a whole at a first vertex
  • the second light-emitting layer 20 includes a second light-emitting layer body 21 and a second vertex A protruding second compensating part 23, the second compensating part 23 and the second light-emitting layer body 21 are connected as one body at the second vertex, and the first compensating part 13 and the second compensating part 23 partly intersect Stacked; pixel defining layer 200, having a plurality of openings 210 configured to define a plurality of the first sub-pixel and a plurality of the second sub-pixel light-emitting area; wherein, the light-emitting area 12 of the first sub-pixel
  • the orthographic projection on the substrate 100 falls within the orthographic projection of the first light-emitting layer 10 on the substrate 100
  • the orthographic projection of the light-emitting area 22 of the second sub-pixel on the substrate 100 falls within the orthographic projection of the first light-emitting layer 10 on the substrate 100
  • the second light-emitting layer 20 is in the orthographic projection on the substrate 100, and in the first direction, the first compensation portion 13 and the second compensation portion 23 are located in the orthographic projection on the substrate 100
  • the light-emitting area 12 of the first sub-pixel and the light-emitting area 22 of the second sub-pixel are between the orthographic projection of the substrate 100, and are connected to the light-emitting area 12 of the first sub-pixel and the second sub-pixel.
  • the light-emitting regions 22 of the pixels do not overlap in the orthographic projection of the substrate.
  • the adjacent first compensation portion 13 and the second compensation portion 23 are partially overlapped, so that the corresponding position can be etched by the chemical solution in the production of the mask for forming the light-emitting layer. Avoid the short straight line that causes the margin to become smaller due to the inability to be etched and formed, ensure the margin in the corresponding position, and reduce the risk of color lack.
  • the light-emitting layer is formed by evaporation of a mask
  • a certain alignment offset is usually reserved around the opening of the mask.
  • the amount ie Margin, the distance between the outline of the mask opening and the outline of the PDL opening
  • the opening of the mask is slightly larger than the opening of the PDL, or the opening of the mask is enlarged in a certain proportion according to the opening of the PDL, Therefore, even if there is a certain error in the alignment, it can effectively ensure that the light-emitting layer is formed in the PDL opening to ensure that the light-emitting area normally emits light.
  • the overlapping area of the adjacent first compensation portion 13 and the second compensation portion 23 may be less than or equal to 0.0858X 2 , and X is the PDL Gap.
  • the first compensation portion 13 includes two adjacent sides of the first light-emitting layer main body 11, and the portions close to the first vertex 14 are respectively directed away from all sides.
  • the direction of the first light-emitting layer main body 11 is expanded and the first protruding structure 15 is formed by converging toward the first vertex 14, and the second compensation portion 23 includes two adjacent sides of the second light-emitting layer main body 21
  • the portions close to the second vertex 24 respectively expand in a direction away from the second light-emitting layer main body 21 and converge to the second protruding structure 25 formed at the second vertex 24; connecting the first light-emitting layer 10
  • the contour 151 of the first protruding structure of the two adjacent sides is an arc segment or a broken line segment; the second protruding structure connecting the two adjacent sides of the second light-emitting layer 20
  • the contour 251 of is an arc segment or a polyline segment.
  • the arc segment formed by the contour 151 of the first protruding structure and the contour 251 of the second protruding structure may be a circular arc, and the contour 151 of the first protruding structure and the contour 251 of the second protruding structure 251
  • the formed polyline segment may be a part of the contour of the polygon.
  • the contour 151 of the first protruding structure and the contour 251 of the second protruding structure are arc segments.
  • the contour of the first light-emitting layer body 11 is the same as the contour of the first protruding structure.
  • 151 can be smoothly connected, and the contour of the second light-emitting layer main body 21 and the contour 251 of the second protruding structure can be smoothly connected.
  • the contour 151 of the first protruding structure and the contour 251 of the second protruding structure are broken line segments.
  • the two sides 152 of the first protruding structure 15 that form the top corners , 153 are respectively substantially parallel to the two sides 111, 112 of the first light-emitting layer body 11, and the two sides 252, 253 of the second protruding structure 25 forming the top corner are respectively connected to the two sides 211 of the second light-emitting layer body 21 , 212 is roughly parallel.
  • the point where the extension lines of the two adjacent sides of the first light-emitting layer body 11 intersect is a first virtual vertex 141, and the second light-emitting layer body 21
  • the point where the extension lines of the two adjacent sides intersect is a second virtual vertex 241
  • the first virtual vertex 141 is located in the first compensation part 13
  • the second virtual vertex 241 is located in the second compensation ⁇ 23 ⁇ .
  • the polyline segment includes a plurality of linear segments 254 connected in sequence, wherein two linear segments connected to the light-emitting body in the polyline segment intersect with extension lines in a direction approaching each other
  • the point at is a virtual intersection point 51
  • the line between the two end points 52, 53 connecting the polyline segment and the main body of the light-emitting layer and the virtual intersection point 51 and the polyline segment together form a virtual polygon 50.
  • the polyline segment is a theoretical contour. In actual production, the positions of each corner will show a certain arc-shaped angle due to process reasons, as long as the outline shows a polyline shape.
  • the side in the extension direction of any one of the two adjacent sides of the first light-emitting layer body 11, the side extends in a direction away from the first light-emitting layer body 11
  • the length L1 accounts for 1/5 to 1/3 of the total dimension L2 of the first light-emitting layer 10 in the extending direction of the side.
  • the length L3 of the portion of the side that extends away from the second light-emitting layer body 21 occupies the second
  • the light emitting layer 20 is 1/5 to 1/3 of the total dimension L4 in the direction in which the side extends.
  • the contours of the first convex structure 15 and the second convex structure 25 are arc segments, and the contours of the first convex structure constitute an arc
  • the radius of curvature R1 of the segment is 1/5 to 1/3 of the side length L5 of the first light-emitting layer 10
  • the radius of curvature R2 of the arc segment formed by the contour of the second convex structure is the second light-emitting layer. 1/5 to 1/3 of the side length L6 of the layer 20; or, referring to FIG.
  • the contours of the first convex structure and the second convex structure are both broken line segments, and the first convex structure
  • the side length L7 of the virtual polygon formed by the polyline segment formed by the contour of the first light-emitting layer is 1/5 to 1/3 of the side length L5 of the first light-emitting layer
  • the polyline segment formed by the contour of the second convex structure forms a virtual polygon
  • the side length L8 of the polygon is 1/5 to 1/3 of the side length of the second light-emitting layer L6. Therefore, under the premise of Margin, the aperture ratio can be improved, and the risk of color mixing is low.
  • the contour 151 of the first convex structure and the contour 251 of the second convex structure are both arc segments, and the contour 151 of the first convex structure constitutes
  • the arc segment formed by the arc segment and the contour 251 of the second convex structure is symmetrical with respect to the straight line jj perpendicular to the first direction; or, referring to FIG. 10, the contour 151 of the first convex structure is symmetrical to the contour 251 of the second convex structure.
  • the contours 251 of the second convex structure are all broken line segments, and the broken line segments formed by the contour 151 of the first convex structure and the contour 251 formed by the second convex structure are relatively perpendicular to the first direction.
  • the straight line kk is symmetrical.
  • the virtual vertex 141 of the first vertex and the virtual vertex 241 of the second vertex are located on a straight line 11 or mm parallel to the first direction .
  • the orthographic projection of the virtual vertex 141 of the first vertex angle on the substrate is located within the orthographic projection of the second light-emitting layer 20 on the substrate, and the second vertex angle
  • the orthographic projection of the virtual vertex 241 on the substrate is located within the orthographic projection of the first light-emitting layer 10 on the substrate.
  • the virtual vertex 141 of the first vertex and the virtual vertex 241 of the second vertex are staggered on the first square, that is, the virtual vertex 141 of the first vertex is located on the first square.
  • the virtual vertex 241 of the two vertex corners is away from the side of the first sub-pixel, and the virtual vertex 241 of the second vertex corner is located on the side of the virtual vertex 141 of the first vertex away from the second sub-pixel.
  • the shape of the first light-emitting layer 10 and the second light-emitting layer 20 is a quadrilateral, a hexagon or an octagon with a convex structure at the top corners, and the first virtual vertex 141 is
  • the angle ⁇ 1 of and the angle ⁇ 2 at the second virtual vertex 241 are each independently 45 degrees to 135 degrees, such as 45 degrees, 60 degrees, 90 degrees, 120 degrees, 135 degrees, and so on.
  • a plurality of first sub-pixels and a plurality of second sub-pixels are alternately arranged in a second direction perpendicular to the first direction, and all adjacent ones in the second direction are arranged alternately.
  • the first light-emitting layer 10 and the second light-emitting layer 20 have opposite apex angles in the second direction; wherein, in the second direction, the first light-emitting layer 10 and the second light-emitting layer 20
  • the vertex angle opposite to the vertex angle of the second light-emitting layer is the third vertex angle 16
  • the vertex angle of the second light-emitting layer opposite to the vertex angle of the first light-emitting layer is the fourth vertex angle 26, and
  • the first light-emitting layer 10 includes A third compensating portion 17 protruding at the third vertex, the third compensating portion 17 and the first light-emitting layer body 11 are connected as a whole at the third vertex
  • the second light-emitting layer 20 includes a fourth A fourth compensating part 27 protruding at the top corner, the fourth compensating part 27 and the second light-emitting layer main body 21 are connected as a whole at the fourth top corner, the third compensating part 17 and the fourth compensating part 27 partially
  • the third apex angle and the fourth apex angle may be the same as the first apex angle and the second apex angle described above, that is, all the features and advantages applicable to the first apex angle are applicable to the third apex angle.
  • the vertex angle, all the features and advantages applicable to the second vertex angle are applicable to the fourth vertex angle, and will not be repeated here.
  • the display backplane further includes a plurality of third sub-pixels, and the third sub-pixels are formed as two first sub-pixels and two second sub-pixels in a 2*2 matrix.
  • the third sub-pixel includes a third light-emitting layer 30, and the opening of the pixel defining layer is configured to define the light-emitting area 32 of the third sub-pixel.
  • the centers of the light-emitting regions of the two first sub-pixels and the two second sub-pixels forming a 2*2 matrix are respectively located at the four vertices of a virtual rectangle 40, and the The light-emitting area of the third sub-pixel surrounded by the two first sub-pixels and the two second sub-pixels is located at the center 42 of the virtual rectangle.
  • the contours of the convex structures at the top corners of the first light-emitting layer and the second light-emitting layer are arc segments, and the third light-emitting layer is a rectangle with rounded corners.
  • the contours of the convex structures at the top corners of the first light-emitting layer and the second light-emitting layer are both broken line segments, and the third light-emitting layer is a rectangle with rounded corners.
  • the present application provides a display backplane.
  • the display backplane includes: a substrate; a plurality of first sub-pixels and a plurality of second sub-pixels arranged alternately along a first direction on the substrate, the first The sub-pixel includes a first light-emitting layer 10, and the second sub-pixel includes a second light-emitting layer 20. Both the first light-emitting layer 10 and the second light-emitting layer 20 are polygonal and are adjacent to each other in the first direction.
  • the first light-emitting layer 10 and the second light-emitting layer 20 have opposite apex angles in the first direction;
  • the pixel defining layer has a plurality of openings configured to define a plurality of first sub-pixels and a plurality of second sub-pixels.
  • the light-emitting area of the sub-pixel wherein, in the opposing corners of the adjacent first light-emitting layer 10 and the second light-emitting layer 20, the distance between the first light-emitting layer 10 and the second light-emitting layer 20
  • the vertex angle opposite to the vertex angle is the first vertex angle 14
  • the vertex angle of the second light-emitting layer 20 opposite to the vertex angle of the first light-emitting layer 10 is the second vertex angle 24, and the first vertex angle 14
  • the part extending and intersecting with the two sides of the second vertex 24 to the vertex is formed as a straight line segment 120 so that the vertex angle becomes a chamfer, and the straight segment of the first vertex angle and the first vertex angle
  • the straight line segments at the two vertex angles at least partially overlap; the orthographic projection of the light-emitting area 12 of the first sub-pixel on the substrate falls within the orthographic projection of the first light-emitting layer 10 on the substrate, and the The orthographic projection
  • the light-emitting area 12 and the light-emitting area 22 of the second sub-pixel do not overlap in the orthographic projection of the substrate.
  • this display backplane by overlapping the borders at the adjacent first and second corners, the alignment offsets (Margins) of the mask openings are the same during the preparation process, especially The margins at the top corners are the same, so that the pixel area can be fully utilized and the aperture ratio can be improved.
  • the length L of the overlapping portion of the straight line segment at the first vertex and the straight line segment at the second vertex can be greater than 10 microns and less than or equal to 0.41X, where X is two adjacent sub-pixels in the pixel defining layer.
  • the point where the extension lines of the two sides of the flat chamfer in the direction of the vertex intersect are the virtual vertex of the vertex; the virtual vertex 141 of the first vertex and the second vertex 141
  • the virtual vertex 241 of is located on a straight line nn parallel to the first direction.
  • the orthographic projection of the virtual vertex 141 of the first vertex angle on the substrate is within the orthographic projection of the second light-emitting layer 20 on the substrate, and the virtual vertex 241 of the second vertex angle is The orthographic projection on the substrate is located within the orthographic projection of the first light-emitting layer 10 on the substrate.
  • the shapes of the first light-emitting layer and the second light-emitting layer are quadrangular, hexagonal or octagonal, and the angle ⁇ 1 of the virtual vertex of the first vertex angle and the second
  • the angle ⁇ 2 of the virtual vertex of the vertex angle is 45 degrees to 135 degrees independently, such as 45 degrees, 60 degrees, 90 degrees, 120 degrees, 135 degrees, and so on.
  • a plurality of the first sub-pixels and a plurality of the second sub-pixels are alternately arranged in a second direction, and the first sub-pixels that are adjacent in the second direction
  • the light-emitting layer 10 and the second light-emitting layer 20 have opposite apex angles in the second direction; wherein, in the second direction, the first light-emitting layer 10 and the second light-emitting layer 20 are adjacent to each other.
  • the vertex angle of the first light-emitting layer 10 opposite to the vertex angle of the second light-emitting layer 20 is the third vertex angle 16, and the second light-emitting layer 20 and the first light-emitting layer 20
  • the vertex angle opposite to the vertex angle of the layer 10 is the fourth vertex angle 26, and the part where the two sides of the third vertex angle 16 and the fourth vertex angle 26 extend to the vertex of the vertex angle is formed as a line segment 140 to make the apex angle a flat chamfer, and the straight line segment of the third apex angle 16 and the straight line segment of the fourth apex angle 26 at least partially overlap; and in the second direction, the flat chamfer
  • the straight line section 140 is located between the light-emitting area 12 of the first sub-pixel and the light-emitting area 22 of the second sub-pixel on the substrate in the orthographic projection of the substrate, and is in line with the orthographic projection of the first sub-pixel.
  • the light-emitting area 12 of the pixel and the light-emitting area 22 of the second sub-pixel do not overlap in the orthographic projection of the substrate. Therefore, in the second direction, the risk of color mixing between the first light-emitting layer and the second light-emitting layer can be well avoided.
  • the third apex angle and the fourth apex angle may be the same as the first apex angle and the second apex angle described above, that is, all the features and advantages applicable to the first apex angle are applicable to the third apex angle.
  • the vertex angle, all the features and advantages applicable to the second vertex angle are applicable to the fourth vertex angle, and will not be repeated here.
  • the present application provides a mask assembly for preparing the light-emitting layer in the aforementioned display backplane.
  • the mask assembly includes: a first mask 300 having a plurality of first masks for forming a first light-emitting layer An opening 310; a second mask 400, the second mask having a plurality of second openings 410 for forming a second light-emitting layer. Therefore, the mask can be used to prepare the aforementioned display backplane, and the resulting light-emitting layer in the display backplane can significantly reduce the risk of color mixing.
  • the shape of the first opening can be the same as that of the first opening.
  • the shape of the light-emitting layer is approximately the same, and the features applicable to the first light-emitting layer are also applicable to the first opening.
  • the top corner of the first opening has the arc line segment, straight line segment or compensation part corresponding to the first light-emitting layer, which will not be repeated here.
  • the shape of the second opening can be roughly the same as the shape of the second light-emitting layer. In the same way, the features applicable to the second light-emitting layer are also applicable to the second opening.
  • the mask assembly may further include a third mask 500 having a plurality of third openings for forming a third light-emitting layer 510. Similar to the first opening and the second opening, the shape of the third opening may be approximately the same as the shape of the third light-emitting layer, and the features applicable to the third light-emitting layer are also applicable to the third opening. It should be noted that because the mask is usually formed by an etching process, the corners of each opening of the mask are also formed into a certain arc-shaped angle due to the limitation of the etching process.
  • the shape of the light-emitting layer formed by the vapor deposition of the mask is roughly the same as the shape of the mask opening, but for the position of the corner, the curvature of the arc is usually not less than the curvature of the arc at the corresponding corner of the mask opening .
  • the vapor-deposited luminescent material will diffuse to a certain extent, and due to the different distances from the evaporation source, the thickness of the formed light-emitting layer at the edge position will be slightly smaller than the thickness at the center position, and the light-emitting layer The range formed by the outermost diffusion will also be slightly larger than the size of the opening of the corresponding mask.
  • the description of the light-emitting layer is based on the ideal shape and size, which is basically the same as the opening of the mask.
  • the light-emitting layer formed on this basis due to the deviation caused by the process is also within the scope of the present application.
  • the present application provides a display device.
  • the display device includes the aforementioned display backplane.
  • the display device has all the features and advantages of the aforementioned display backplane, and will not be repeated here.
  • the specific type of the display device is not particularly limited, and can be any known display device, for example, including but not limited to mobile phones, tablet computers, game consoles, televisions, wearable devices, and so on. It can be understood that, in addition to the flexible display device described above, the display device may also include the necessary structures and components of a conventional display device. Taking a mobile phone as an example, it may also include a touch screen, a fingerprint recognition module, and a camera module. Groups, sound systems, motherboards, memory and shells, etc., I won’t repeat them here.
  • first and second are only used for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with “first” and “second” may explicitly or implicitly include one or more of these features.
  • a plurality of means two or more than two, unless otherwise specifically defined.

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Abstract

本申请提供了显示背板和掩膜板组件，该显示背板包括：基板；设置在所述基板上的多个第一子像素和多个第二子像素，相邻的第一子像素中的第一发光层和第二子像素中的第二发光层在第一方向上具有相对设置的顶角；像素界定层，具有多个开口被配置为限定多个第一子像素和多个第二子像素的发光区域；其中，在第一方向上，第一发光层的第一顶角与第二发光层的第二顶角相对设置，第一顶角和第二顶角中的至少一个顶角的两条边向其顶点延伸交汇的部分形成为一弧线段或直线段以使得顶角成为圆倒角或者平倒角。

Description

显示背板、掩膜版组件和显示装置 技术领域
本申请涉及显示技术领域，具体的，涉及显示背板、掩膜版组件和显示装置。
背景技术
OLED显示器件由于其颜色鲜艳、能耗低、响应速度快等优点而获得广泛使用，其中的发光层通常采用蒸镀方法在像素界定层(PDL)的开口中形成，每个发光层需要与一个像素界定层开口对应，因此需要采用掩膜版(如高精度金属掩膜版(FMM))在相应的开口位置处形成发光层，即掩膜版上具有与PDL开口对应的FMM开口，蒸镀时发光层材料通过FMM开口沉积在PDL开口中。但相关技术中，像素面积未被充分利用，产品混色或缺色风险较高。
因而，目前的OLED显示器件相关技术仍有待改进。
发明内容
本申请旨在至少在一定程度上解决相关技术中的技术问题之一。为此，本申请的一个目的在于提出一种能够改善混色、缺色或者提高开口率的显示背板。
在本申请的第一方面，本申请提供了一种显示背板。根据本申请的实施例，该显示背板包括：基板；设置在所述基板上沿第一方向交替排列的多个第一子像素和多个第二子像素，所述第一子像素包括第一发光层，所述第二子像素包括第二发光层，所述第一发光层和所述第二发光层均为多边形，且在第一方向上相邻的所述第一发光层和所述第二发光层在第一方向上具有相对设置的顶角；像素界定层，具有多个开口被配置为限定多个第一子像素和多个第二子像素的发光区域；其中，相邻的所述第一发光层和所述第二发光层的相对的顶角中，所述第一发光层的与所述第二发光层的顶角相对的顶角为第一顶角，所述第二发光层的与所述第一发光层的顶角相对的顶角为第二顶角，所述第一顶角和所述第二顶角中的至少一个顶角的两条边向其顶点延伸交汇的部分形成为一弧线段或直线段以使得所述顶角成为圆倒角或者平倒角；所述第一子像素的发光区域在所述基板上的正投影落入所述第一发光层的在所述基板上的正投影内，所述第二子像素的发光区域在所述基板上的正投影落入所述第二发光层的在所述基板上的正投影内，且在第一方向上，所述圆倒角或所述平倒角的弧线段或直线段在所述基板的正投影位于所述第一子像素的发光区域和所述第二子像素的发光区域在所述基板的正投影之间，且与所述第一子像素的发光区域和所述第二子像素的发光区域在所述基板的正投影均没有交叠。
根据本申请的实施例，所述第一顶角和所述第二顶角之间具有间隙。
根据本申请的实施例，所述弧线段的两端点连线或所述直线段在第二方向延伸，所述第二方向与所述第一方向垂直。
根据本申请的实施例，所述圆倒角或所述平倒角的两边向其顶点方向的延伸线相交的点为所述顶角的虚拟顶点；所述第一顶角的虚拟顶点和所述第二顶角的虚拟顶点位于与所 述第一方向平行的一直线上。
根据本申请的实施例，所述第一顶角的虚拟顶点在所述基板上的正投影位于第二发光层在所述基板的正投影内，所述第二顶角的虚拟顶点在所述基板上的正投影位于第一发光层在所述基板的正投影内。
根据本申请的实施例，所述第一发光层和所述第二发光层的形状为四边形、六边形或八边形，所述第一发光层和所述第二发光层的相对的顶角的虚拟顶点处的角度为45度-135度。
根据本申请的实施例，所述第一顶角和所述第二顶角均具有所述弧线段，且所述第一顶角的弧线段和所述第二顶角的弧线段相对与所述第一方向垂直的一直线对称；或者，第一顶角和第二顶角均具有所述直线段，且所述第一顶角的直线段和所述第二顶角的直线段相对与所述第一方向垂直的一直线对称。
根据本申请的实施例，多个所述第一子像素和多个所述第二子像素在第一方向和所述第二方向均交替排列，且在第一方向上相邻的所述第一发光层和所述第二发光层在第一方向上具有所述相对设置的顶角，在所述第二方向上相邻的所述第一发光层和所述第二发光层在所述第二方向上具有相对设置的顶角；其中，在第一方向和所述第二方向上，相邻的所述第一发光层和所述第二发光层的相对的顶角中，所述第一发光层的与所述第二发光层的顶角相对的顶角为第三顶角，所述第二发光层的与所述第一发光层的顶角相对的顶角为第四顶角，所述第三顶角和所述第四顶角中的至少一个顶角所述第一发光层和/或所述第二发光层所述相对设置的顶角处，由所述顶角的两条边向所述顶角的顶点延伸交汇的部分形成为一弧线段或直线段以使得所述顶角成为圆倒角或者平倒角；且在第一方向和所述第二方向上，所述圆倒角或所述平倒角的弧线段或直线段在所述基板的正投影位于所述第一子像素的发光区域和所述第二子像素的发光区域在所述基板的正投影之间，且与所述第一子像素的发光区域和所述第二子像素的发光区域在所述基板的正投影均没有交叠。
根据本申请的实施例，所述第三顶角和所述第四顶角之间具有间隙。
根据本申请的实施例，该显示背板还包括多个第三子像素，所述第三子像素被形成为2*2矩阵的两个所述第一子像素和两个所述第二子像素包围；所述第三子像素包括第三发光层，且所述像素界定层的开口配置为限定所述第三子像素的发光区域。
根据本申请的实施例，所述形成2*2矩阵的两个所述第一子像素和两个所述第二子像素的发光区域的中心分别位于一虚拟矩形的四个顶点，所述被两个第一子像素和两个第二子像素包围的第三子像素的发光区域位于所述虚拟矩形的中心。
根据本申请的实施例，所述第一发光层、所述第二发光层和所述第三发光层均为圆角矩形，或者，所述第一发光层和所述第二发光层均为矩形且各自的四个角为平角，所述第三发光层为圆角矩形。
根据本申请的实施例，对于所述形成2*2矩阵的两个第一子像素和两个第二子像素和其中包围的第三子像素，所述第一发光层和所述第二发光层在各自的顶角处，与所述第三发光层的边界之间均具有间隙，且所述第一发光层和所述第二发光层在一个边的非顶角处 与所述第三发光层的边界相接。
根据本申请的实施例，所述第一子像素为红色子像素，所述第二子像素为蓝色子像素，所述第三子像素为绿色子像素。
根据本申请的实施例，所述第一发光层、所述第二发光层均为圆角正方形，且所述第二发光层面积大于第一发光层面积，所述第三发光层为圆角矩形，且所述圆角矩形的长边为其靠近所述第二发光层的边，所述圆角矩形的短边为其靠近所述第一发光层的边。
在本申请的第二方面，本申请提供了一种显示背板。根据本申请的实施例，该显示背板包括：基板；设置在所述基板上沿第一方向交替排列的多个第一子像素和多个第二子像素，所述第一子像素包括第一发光层，所述第二子像素包括第二发光层，在第一方向上相邻的所述第一发光层和所述第二发光层在所述第一方向上具有相对设置的顶角，所述第一发光层的与所述第二发光层的顶角相对的顶角为第一顶角，所述第二发光层的与所述第一发光层的顶角相对的顶角为第二顶角，所述第一发光层包括第一发光层主体和第一顶角处凸出的第一补偿部，所述第一补偿部与所述第一发光层主体在第一顶角处连接为一体，所述第二发光层包括第二发光层主体和第二顶角处凸出的第二补偿部，所述第二补偿部与所述第二发光层主体在第二顶角处连接为一体，所述第一补偿部和第二补偿部部分交叠；像素界定层，具有多个开口被配置为限定多个所述第一子像素和多个所述第二子像素的发光区域；其中，所述第一子像素的发光区域在所述基板上的正投影落入所述第一发光层在所述基板上的正投影内，所述第二子像素的发光区域在所述基板上的正投影落入所述第二发光层在所述基板上的正投影内，且在所述第一方向上，所述第一补偿部和所述第二补偿部在所述基板的正投影位于所述第一子像素的发光区域和所述第二子像素的发光区域在所述基板的正投影之间，且与所述第一子像素的发光区域和所述第二子像素的发光区域在所述基板的正投影均没有交叠。
根据本申请的实施例，所述第一补偿部包括所述第一发光层主体的两条邻边的靠近所述第一顶角的部分分别向远离所述第一发光层主体的方向扩展并向第一顶角处交汇形成的第一凸出结构，所述第二补偿部包括所述第二发光层主体的两条邻边的靠近所述第二顶角的部分分别向远离所述第二发光层主体的方向扩展并向第二顶角处交汇形成的第二凸出结构；连接所述第一发光层的所述两条邻边的所述第一凸出结构的轮廓为弧线段或者为折线段；连接所述第二发光层的所述两条邻边的所述第二凸出结构的轮廓为弧线段或者为折线段。
根据本申请的实施例，所述第一发光层主体的所述两条邻边的延长线相交的点为第一虚拟顶点，所述第二发光层主体的所述两条邻边的延长线相交的点为第二虚拟顶点，所述第一虚拟顶点位于所述第一补偿部内，所述第二虚拟顶点位于所述第二补偿部内。
根据本申请的实施例，在所述第一发光层主体的所述两条邻边中的任一条的延伸方向上，该边向远离所述第一发光层主体的方向扩展的部分的长度占所述第一发光层在该边延伸方向上总尺寸的1/5～1/3。
根据本申请的实施例，所述折线段包括多个依次相连的直线段，其中，所述折线段中 与发光层主体相连的两个直线段向彼此靠近的方向的延伸线相交的点为虚拟交点，所述折线段与发光层主体相连的两个端点和所述虚拟交点之间的连线与所述折线段共同形成一虚拟多边形。
根据本申请的实施例，所述第一凸起结构和所述第二凸起结构的轮廓均为弧线段，所述第一凸起结构的轮廓构成的弧线段的曲率半径为所述第一发光层的边长的1/5～1/3，所述第二凸起结构的轮廓构成的弧线段的曲率半径为所述第二发光层的边长的1/5～1/3；或者,所述第一凸起结构和所述第二凸起结构的轮廓均为折线段，所述第一凸起结构的轮廓构成的折线段形成的虚拟多边形的边长为所述第一发光层的边长的1/5～1/3，所述第二凸起结构的轮廓构成的折线段形成的虚拟多边形的边长为所述第二发光层的边长的1/5～1/3。
根据本申请的实施例，所述第一凸起结构的轮廓和所述第二凸起结构的轮廓均为弧线段，且所述第一凸起结构的轮廓构成的弧线段和所述第二凸起结构的轮廓构成的弧线段相对与第一方向垂直的一直线对称；或者，所述第一凸起结构的轮廓和所述第二凸起结构的轮廓均为折线段，且所述第一凸起结构的轮廓构成的折线段和所述第二凸起结构的轮廓构成的折线段相对与第一方向垂直的一直线对称。
根据本申请的实施例，所述第一顶角的虚拟顶点和所述第二顶角的虚拟顶点位于与所述第一方向平行的一直线上。
根据本申请的实施例，所述第一顶角的虚拟顶点在所述基板上的正投影位于所述第二发光层在所述基板的正投影内，所述第二顶角的虚拟顶点在所述基板上的正投影位于所述第一发光层在所述基板的正投影内。
根据本申请的实施例，所述第一发光层和所述第二发光层的形状为顶角凸出结构的四边形、六边形或八边形，所述第一顶角的虚拟顶点处的角度和所述第二顶角的虚拟顶角出的角度各自独立的为45度-135度。
根据本申请的实施例，多个所述第一子像素和多个所述第二子像素在与第一方向垂直的第二方向交替排列，且在所述第二方向上相邻的所述第一发光层和所述第二发光层在所述第二方向上具有相对设置的顶角；其中，在所述第二方向上，所述第一发光层的与所述第二发光层的顶角相对的顶角为第三顶角，所述第二发光层的与所述第一发光层的顶角相对的顶角为第四顶角，所述第一发光层包括所述第三顶角处凸出的第三补偿部，所述第三补偿部与所述第一发光层主体在第三顶角处连接为一体，所述第二发光层包括所述第四顶角处凸出的第四补偿部，所述第四补偿部与所述第二发光层主体在所述第四顶角处连接为一体，所述第三补偿部和第四补偿部部分交叠；且在所述第二方向上，所述第三补偿部和所述第四补偿部在所述基板的正投影位于所述第一子像素的发光区域和所述第二子像素的发光区域在所述基板的正投影之间，且与所述第一子像素的发光区域和所述第二子像素的发光区域在所述基板的正投影均没有交叠。
根据本申请的实施例，还包括多个第三子像素，所述第三子像素被形成为2*2矩阵的两个第一子像素和两个第二子像素包围；所述第三子像素包括第三发光层，且所述像素界定层的开口配置为限定所述第三子像素的发光区域。
根据本申请的实施例，所述形成2*2矩阵的两个第一子像素和两个第二子像素的发光区域的中心分别位于一虚拟矩形的四个顶点，所述被两个第一子像素和两个第二子像素包围的第三子像素的发光区域位于所述虚拟矩形的中心。
根据本申请的实施例，所述第一发光层和所述第二发光层的顶角的凸起结构的轮廓均为弧线段，且所述第三发光层为圆角矩形，或者，所述第一发光层和所述第二发光层的顶角的凸起结构的轮廓均为折线段，且所述第三发光层为圆角矩形。
根据本申请的实施例，所述第一子像素为红色子像素，所述第二子像素为蓝色子像素，所述第三子像素为绿色子像素。
根据本申请的实施例，所述第一发光层、所述第二发光层均为四个角具有凸出结构的正方形，所述四个角的凸出结构的轮廓均为圆弧，且所述第二发光层的面积大于所述第一发光层的面积，所述第三发光层为圆角矩形，且所述圆角矩形的长边为其靠近所述第二发光层的边，所述圆角矩形的短边为其靠近所述第一发光层的边。
在本申请的第三方面，本申请提供了一种显示背板。根据本申请的实施例，该显示背板包括：基板；设置在所述基板上沿第一方向交替排列的多个第一子像素和多个第二子像素，所述第一子像素包括第一发光层，所述第二子像素包括第二发光层，所述第一发光层和所述第二发光层均为多边形，且在第一方向上相邻的所述第一发光层和所述第二发光层在第一方向上具有相对设置的顶角；像素界定层，具有多个开口被配置为限定多个第一子像素和多个第二子像素的发光区域；其中，相邻的所述第一发光层和所述第二发光层的相对的顶角中，所述第一发光层的与所述第二发光层的顶角相对的顶角为第一顶角，所述第二发光层的与所述第一发光层的顶角相对的顶角为第二顶角，所述第一顶角和所述第二顶角中的至少一个顶角的两条边向其顶点延伸交汇的部分形成为一直线段以使得所述顶角成为平倒角，且所述第一顶角的直线段和所述第二顶角的直线段至少部分重叠；所述第一子像素的发光区域在所述基板上的正投影落入所述第一发光层的在所述基板上的正投影内，所述第二子像素的发光区域在所述基板上的正投影落入所述第二发光层的在所述基板上的正投影内，且在第一方向上，所述平倒角的直线段在所述基板的正投影位于所述第一子像素的发光区域和所述第二子像素的发光区域在所述基板的正投影之间，且与所述第一子像素的发光区域和所述第二子像素的发光区域在所述基板的正投影均没有交叠。
根据本申请的实施例，多个所述第一子像素和多个所述第二子像素在与所述第一方向垂直的第二方向交替排列，在所述第二方向上相邻的所述第一发光层和所述第二发光层在所述第二方向上具有相对设置的顶角；其中，在所述第二方向上，相邻的所述第一发光层和所述第二发光层的相对的顶角中，所述第一发光层的与所述第二发光层的顶角相对的顶角为第三顶角，所述第二发光层的与所述第一发光层的顶角相对的顶角为第四顶角，所述第三顶角和所述第四顶角中的至少一个顶角的两条边向所述顶角的顶点延伸交汇的部分形成为一直线段以使得所述顶角成为平倒角，且所述第三顶角的直线段和所述第四顶角的直线段至少部分重叠；且在所述第二方向上，所述平倒角的直线段在所述基板的正投影位于所述第一子像素的发光区域和所述第二子像素的发光区域在所述基板的正投影之间，且与 所述第一子像素的发光区域和所述第二子像素的发光区域在所述基板的正投影均没有交叠。
在本申请的第四方面，本申请提供了一种用于制备前面所述的显示背板中的发光层的掩膜版组件。根据本申请的实施例，该掩膜版组件包括：第一掩膜版，所述第一掩膜版具有多个用于形成第一发光层的第一开口；第二掩膜版，所述第二掩膜版具有多个用于形成第二发光层的第二开口。
根据本申请的实施例，该掩膜版组件还包括：第三掩膜版，所述第三掩膜版具有多个用于形成第三发光层的第三开口。
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图1是本申请一个实施例的显示背板的局部平面结构示意图。
图2是本申请另一个实施例的显示背板的局部平面结构示意图。
图3是图1中沿a-a线剖面结构示意图。
图4是本申请另一个实施例的显示背板的局部平面结构示意图。
图5是本申请另一个实施例的显示背板的局部平面结构示意图。
图6是本申请另一个实施例的显示背板的局部平面结构示意图。
图7是本申请另一个实施例的显示背板的局部平面结构示意图。
图8是本申请另一个实施例的显示背板的局部平面结构示意图。
图9是本申请另一个实施例的显示背板的局部平面结构示意图。
图10是本申请另一个实施例的显示背板的局部平面结构示意图。
图11是本申请另一个实施例的显示背板的局部平面结构示意图。
图12是本申请另一个实施例的显示背板的局部平面结构示意图。
图13是本申请另一个实施例的显示背板的局部平面结构示意图。
图14是本申请另一个实施例的显示背板的局部平面结构示意图。
图15是本申请另一个实施例的显示背板的局部平面结构示意图。
图16是本申请一个实施例的第一掩膜版的局部平面结构示意图。
图17是本申请一个实施例的第二掩膜版的局部平面结构示意图。
图18是本申请一个实施例的第一掩膜版和第二掩膜版层叠对齐设置时的局部平面结构示意图。
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图20是本申请一个实施例的第一掩膜版、第二掩膜版和第三掩膜版层叠对齐设置时的局部平面结构示意图。
具体实施方式
下面详细描述本申请的实施例。下面描述的实施例是示例性的，仅用于解释本申请，而不能理解为对本申请的限制。实施例中未注明具体技术或条件的，按照本领域内的文献 所描述的技术或条件或者按照产品说明书进行。
在本申请的第一方面，本申请提供了一种显示背板。根据本申请的实施例，参照图1、图2和图3，该显示背板包括：基板100；设置在所述基板上沿第一方向交替排列的多个第一子像素和多个第二子像素，所述第一子像素包括第一发光层10，所述第二子像素包括第二发光层20，所述第一发光层10和所述第二发光层20均为多边形，且在第一方向上相邻的所述第一发光层10和所述第二发光层20在第一方向上具有相对设置的顶角；像素界定层200，具有多个开口210被配置为限定多个第一子像素的发光区域12和多个第二子像素的发光区域22；其中，相邻的所述第一发光层10和所述第二发光层20的相对的顶角中，所述第一发光层10的与所述第二发光层20的顶角相对的顶角为第一顶角14，所述第二发光层20的与所述第一发光层10的顶角相对的顶角为第二顶角24，所述第一顶角14和所述第二顶角24中的至少一个顶角的两条边向其顶点延伸交汇的部分形成为一弧线段110或直线段120以使得所述顶角成为圆倒角或者平倒角(另外，可以理解的是，前面所述的第一顶角14和所述第二顶角24之间可以具有间隙1，图1中所示出的即为第一顶角14和所述第二顶角24之间具有间隙1的情况；当然，本领域技术人员也可以理解，第一顶角和所述第二顶角之间也可以不具有间隙，于后文中不再重复赘述)；所述第一子像素的发光区域12在所述基板100上的正投影落入所述第一发光层10的在所述基板100上的正投影内，所述第二子像素的发光区域22在所述基板100上的正投影落入所述第二发光层20的在所述基板100上的正投影内，且在第一方向上，所述圆倒角或所述平倒角的弧线段110或直线段120在所述基板100的正投影位于所述第一子像素的发光区域12和所述第二子像素的发光区域22在所述基板100的正投影之间，且与所述第一子像素的发光区域12和所述第二子像素的发光区域22在所述基板100的正投影均没有交叠。该显示背板中，第一顶角和第二顶角设为圆倒角或者平倒角，相邻的第一发光层和第二发光层的顶角之间具有间隙，或者相邻的第一发光层和第二发光层的顶角之间不具有间隙，均可以有效改善发光层顶角处的混色风险，且易于制备。
可以理解，该显示背板中的基板没有特别限制，可以为玻璃基板、聚合物基板等等，具体的厚度、形状和尺寸等均可以根据实际使用要求进行选择，在此不再一一赘述。
需要说明的是，本文中的第一发光层和第二发光层可以为有机层，具有可以包括层叠设置的电子注入层、电子传输层、有机发光层、空穴传输层、空穴注入层等，其中，电子注入层、电子传输层、空穴传输层和空穴注入层可以为open mask形成的整层结构，以电子注入层为例，即多个第一发光层和多个第二发光层中的电子注入层彼此相连、共同构成一个连续的整层结构，而有机发光层则是与每个子像素对应的、图案化的层结构，即采用FMM形成的膜层。另外，本文中的“圆倒角”是指多边形的角倒圆角所形成的角，“平倒角”是指将上述圆倒角的弧线段替换为直线段后所形成的角。
可以理解，相邻的第一发光层10和第二发光层20之间的间隙1越大，发生混色的风险越低，但显示背板的发光区域面积的占比越小，不利于实现高PPI(像素密度)和显示质量，为了平衡上述两种因素，间隙1的尺寸可以为大于0且小于等于0.41X，其中，X为像 素界定层中相邻两个开口之间的间距。在该尺寸范围内，既能够有效降低混色风险，同时也可以尽量保证发光区域面积的占比，提高显示质量。
根据本申请实施例的显示背板中，在保证避免混色风险的同时，可以进一步通过合理的排布不同子像素来充分利用显示背板的面积，以使得发光区域面积的占比更大，实现更高的PPI和更好的显示效果。
根据本申请的一些实施例，所述弧线段110的两端点连线112(参照图1)或所述直线段120(参照图2)可以在第二方向延伸，所述第二方向与所述第一方向垂直。
根据本申请的另一些实施例，所述圆倒角或所述平倒角的两边向其顶点方向的延伸线相交的点为所述顶角的虚拟顶点；参照图1和图2，所述第一顶角14的虚拟顶点141和所述第二顶角24的虚拟顶点241位于与所述第一方向平行的一直线a-a或e-e上。
根据本申请的一些实施例，参照图4，第一顶角14的虚拟顶点141和第二顶角24的虚拟顶点241在第一方向上交错，即第一顶角14的虚拟顶点141位于第二顶角24的虚拟顶点241远离第一子像素的一侧，第二顶角24的虚拟顶点241位于第一顶角14的虚拟顶点141远离第二子像素的一侧。根据本申请的另一些实施例，参照图5，所述第一顶角14的虚拟顶点141在所述基板上的正投影位于第二发光层20在所述基板的正投影内，所述第二顶角24的虚拟顶点241在所述基板上的正投影位于第一发光层10在所述基板的正投影内。由此，在第一方向上，相邻的第一发光层和第二发光层之间的间隙1较小，发光区域的面积的占比更大，可以实现更高的像素密度，显示效果更好。
根据本申请的实施例，所述第一发光层和所述第二发光层的形状可以为四边形、六边形或八边形，所述第一发光层的第一顶角的虚拟顶点处的角度α1和所述第二发光层的第二顶角的虚拟顶点处的角度α2可以各自独立的为45度-135度，具体可以为45度、60度、90度、120度、135度等。
根据本申请的实施例，参照图1，所述第一顶角14和所述第二顶角24均具有所述弧线段110，且所述第一顶角的弧线段与所述第二顶角的弧线段相对与所述第一方向垂直的一直线c-c对称；或者，参照图2，第一顶角14和第二顶角24均具有所述直线段120，且所述第一顶角的直线段和所述第二顶角的直线段相对与所述第一方向垂直的一直线d-d对称。
根据本申请的实施例，参照图1和图2，多个所述第一子像素和多个所述第二子像素在第二方向交替排列，且在所述第二方向上相邻的所述第一发光层10和所述第二发光层20在第二方向上具有相对设置的顶角；其中，在第二方向上，相邻的所述第一发光层10和所述第二发光层20的相对的顶角中，所述第一发光层10的与所述第二发光层20的顶角相对的顶角为第三顶角16，所述第二发光层20的与所述第一发光层10的顶角相对的顶角为第四顶角26，所述第三顶角16和所述第四顶角26中的至少一个顶角的两条边向所述顶角的顶点延伸交汇的部分形成为一弧线段130或直线段140以使得所述顶角成为圆倒角或者平倒角(另外，可以理解的是，前面所述的第三顶角16和所述第四顶角26之间可以具有间隙2，图1和图2中所示出的即为第三顶角16和所述第四顶角26之间具有间隙2的情况；当然，本领域技术人员也可以理解，第三顶角和所述第四顶角之间也可以不具有间隙，于 后文中不再重复赘述)；且在第二方向上，所述圆倒角或所述平倒角的弧线段130或直线段140在所述基板的正投影位于所述第一子像素的发光区域12和所述第二子像素的发光区域22在所述基板的正投影之间，且与所述第一子像素的发光区域12和所述第二子像素的发光区域22在所述基板的正投影均没有交叠。由此，在第二方向上，第一发光层和第二发光层之间也可以很好避免混色风险。
根据本申请的实施例，第三顶角和第四顶角也可以按照第一顶角和第二顶角的上述方式设置，具体的，一些实施例中，所述弧线段130的两端点连线132(参照图1)或所述直线段140(参照图2)可以在第一方向延伸。
另一些实施例中，第三顶角和第四顶角处的所述圆倒角或所述平倒角的两边向其顶点方向的延伸线相交的点为所述顶角的虚拟顶点；参照图1和图2，所述第三顶角16的虚拟顶点161和所述第四顶角26的虚拟顶点261位于与所述第二方向平行的一直线b-b或f-f上。
根据本申请的一些实施例，参照图4，第三顶角16的虚拟顶点161和第四顶角26的虚拟顶点261在第三方向上交错，即第三顶角16的虚拟顶点161位于第四顶角26的虚拟顶点261远离第一子像素的一侧，第四顶角26的虚拟顶点261位于第三顶角16的虚拟顶点161远离第二子像素的一侧。根据本申请的另一些实施例，参照图5，所述第三顶角16的虚拟顶点161在所述基板上的正投影位于第二发光层20在所述基板的正投影内，所述第四顶角26的虚拟顶点261在所述基板上的正投影位于第一发光层10在所述基板的正投影内。由此，在第二方向上，相邻的第一发光层和第二发光层之间的间隙较小，发光区域的面积的占比更大，显示效果较好。
根据本申请的实施例，参照图1，所述第三顶角16和所述第四顶角26均具有所述弧线段130，且所述第三顶角的弧线段和所述第四顶角的弧线段相对与所述第二方向垂直的一直线g-g对称；或者，参照图2，第三顶角16和第四顶角26均具有所述直线段140，且所述第三顶角的直线段和所述第四顶角的直线段相对与所述第二方向垂直的一直线h-h对称。
根据本申请的实施例，参照图6，该显示背板还包括多个第三子像素，所述第三子像素被形成为2*2矩阵的两个所述第一子像素和两个所述第二子像素包围；所述第三子像素包括第三发光层30，且所述像素界定层的开口配置为限定所述第三子像素的发光区域32。
根据本申请的实施例，所述形成2*2矩阵的两个第一子像素和两个第二子像素的发光区域的中心分别位于一虚拟矩形40的四个顶点，所述被两个第一子像素和两个第二子像素包围的第三子像素的发光区域32位于所述虚拟矩形的中心42。
根据本申请的实施例，参照图6，所述第一发光层10、所述第二发光层20和所述第三发光层30均为圆角矩形(矩形的四个角倒圆角后所形成的图形)，或者，参照图7，所述第一发光层10和所述第二发光层20均为矩形且各自的四个角为平倒角，所述第三发光层30为圆角矩形。需要说明的是，为了保证加工良率，避免对位偏差(Margin)造成发光区域内未形成有机发光层而无法发光，发光层一般根据相应的发光区域按照一定比例进行外扩，因此，第一子像素的发光区域12、第二子像素的发光区域22和第三子像素的发光区 域32分别与第一发光层10、第二发光层20和第三发光层30的形状和轮廓相似。
根据本申请的实施例，参照图8，对于所述形成2*2矩阵的两个所述第一子像素和两个所述第二子像素和其中包围的所述第三子像素，所述第一发光层10和所述第二发光层20在各自的顶角处，与所述第三发光层30的边界之间均具有间隙，且所述第一发光层10和所述第二发光层20在一个边的非顶角处与所述第三发光层的边界相接。
根据本申请的实施例，所述第一子像素为红色子像素，所述第二子像素为蓝色子像素，所述第三子像素为绿色子像素。需要说明的是，实际使用过程中，蓝色有机发光层的发光效率或亮度相对红光和绿光较低，可以使得蓝色子像素的发光层的面积和发光区域的面积比红色子像素和绿色子像素的发光层和发光区域的面积均大，以实现更好的彩色显示效果。
一些具体实施例中，参照图6，所述第一发光层10、所述第二发光层20均为圆角正方形，且所述第二发光层20的面积大于第一发光层10的面积，所述第三发光层30为圆角矩形，且所述圆角矩形的长边34为其靠近所述第二发光层20的边，所述圆角矩形的短边36为其靠近所述第一发光层10的边。具体的，根据第一发光层和第二发光层的排布方式，相邻的两个第三发光层的长边相对第二方向向相反的方向倾斜，且相对与第二方向平行的一直线i-i对称。由此，发光区域的面积占比更大，能够更加充分利用显示背板的面积，提高显示质量。
在本申请的另一方面，本申请提供了一种显示背板。根据本申请的实施例，参照图9和图10，该显示背板包括：基板100；设置在所述基板100上沿第一方向交替排列的多个第一子像素和多个第二子像素，所述第一子像素包括第一发光层10，所述第二子像素包括第二发光层20，在第一方向上相邻的所述第一发光层10和所述第二发光层20在所述第一方向上具有相对设置的顶角，所述第一发光层10的与所述第二发光层20的顶角相对的顶角为第一顶角14，所述第二发光层20的与所述第一发光层10的顶角相对的顶角为第二顶角24，所述第一发光层10包括第一发光层主体11和第一顶角14处凸出的第一补偿部13，所述第一补偿部13与所述第一发光层主体11在第一顶角处连接为一体，所述第二发光层20包括第二发光层主体21和第二顶角处凸出的第二补偿部23，所述第二补偿部23与所述第二发光层主体21在第二顶角处连接为一体，所述第一补偿部13和第二补偿部23部分交叠；像素界定层200，具有多个开口210被配置为限定多个所述第一子像素和多个所述第二子像素的发光区域；其中，所述第一子像素的发光区域12在所述基板100上的正投影落入所述第一发光层10在所述基板100上的正投影内，所述第二子像素的发光区域22在所述基板100上的正投影落入所述第二发光层20在所述基板100上的正投影内，且在所述第一方向上，所述第一补偿部13和所述第二补偿部23在所述基板100的正投影位于所述第一子像素的发光区域12和所述第二子像素的发光区域22在所述基板100的正投影之间，且与所述第一子像素的发光区域12和所述第二子像素的发光区域22在所述基板的正投影均没有交叠。在该显示基板中，相邻的第一补偿部13和所述第二补偿部23部分交叠，可以使得用于形成发光层的掩膜版的制作中，相应位置可以被药液刻蚀，避免出现短直线因无法刻蚀成形而导致Margin变小的情况，保证相应位置的Margin，降低缺色风险。
需要说明的是，利用掩膜版蒸镀形成发光层时，为了保证掩膜版的开口和像素界定层(PDL)开口精准对位，掩膜版的开口四周通常预留一定的对位偏移量(即Margin，掩膜版开口的轮廓和PDL开口的轮廓之间的间距)，即掩膜版的开口比PDL开口稍大，或者说掩膜版的开口按照PDL开口进行一定比例的扩大，由此，即使对位时存在一定误差，也可以有效保障PDL开口中形成发光层，以保证发光区域正常发光。
根据本申请的一些具体实施例，相邻的第一补偿部13和所述第二补偿部23交叠的面积可以小于等于0.0858X 2，X为PDL Gap。由此，能够尽量最大程度的保证Margin，提高开口率，同时混色风险较低。
根据本申请的实施例，参照图9和图10，所述第一补偿部13包括所述第一发光层主体11的两条邻边的靠近所述第一顶角14的部分分别向远离所述第一发光层主体11的方向扩展并向第一顶角14处交汇形成的第一凸出结构15，所述第二补偿部23包括所述第二发光层主体21的两条邻边的靠近所述第二顶角24的部分分别向远离所述第二发光层主体21的方向扩展并向第二顶角24处交汇形成的第二凸出结构25；连接所述第一发光层10的所述两条邻边的所述第一凸出结构的轮廓151为弧线段或者为折线段；连接所述第二发光层20的所述两条邻边的所述第二凸出结构的轮廓251为弧线段或者为折线段。
一些具体实施例中，第一凸出结构的轮廓151和第二凸出结构的轮廓251构成的弧线段可以为圆弧，第一凸出结构的轮廓151和第二凸出结构的轮廓251构成的折线段可以为多边形的轮廓的一部分。
一些具体实施例中，参照图9，第一凸出结构的轮廓151和第二凸出结构的轮廓251为弧线段，此时第一发光层主体11的轮廓与第一凸出结构的轮廓151可以平滑连接，第二发光层主体21的轮廓与第二凸出结构的轮廓251可以平滑连接。另一些具体实施例中，参照图10，第一凸出结构的轮廓151和第二凸出结构的轮廓251为折线段，此时，第一凸出结构15中形成顶角的两个边152、153分别与第一发光层主体11的两条边111、112大致平行，第二凸出结构25中形成顶角的两个边252、253分别与第二发光层主体21的两条边211、212大致平行。
根据本申请的实施例，参照图9和图10，所述第一发光层主体11的所述两条邻边的延长线相交的点为第一虚拟顶点141，所述第二发光层主体21的所述两条邻边的延长线相交的点为第二虚拟顶点241，所述第一虚拟顶点141位于所述第一补偿部13内，所述第二虚拟顶点241位于所述第二补偿部23内。
根据本申请的实施例，参照图10，所述折线段包括多个依次相连的直线段254，其中，所述折线段中与发光主体相连的两个直线段向彼此靠近的方向的延伸线相交的点为虚拟交点51，所述折线段与发光层主体相连的两个端点52、53和所述虚拟交点51之间的连线与所述折线段共同形成一虚拟多边形50。需要说明的是，所述折线段是理论上的轮廓，在实际制作中，由于工艺的原因各个角的位置均会呈现出一定的圆弧形角，只要大致轮廓呈现折线形状即可。
根据本申请的实施例，在所述第一发光层主体11的所述两条邻边中的任一条的延伸方 向上，该边向远离所述第一发光层主体11的方向扩展的部分的长度L1占所述第一发光层10在该边延伸方向上总尺寸L2的1/5～1/3。在所述第二发光层主体21的所述两条邻边中的任一条的延伸方向上，该边向远离所述第二发光层主体21的方向扩展的部分的长度L3占所述第二发光层20在该边延伸方向上总尺寸L4的1/5～1/3。
根据本申请的具体实施例，参照图9，所述第一凸起结构15和所述第二凸起结构25的轮廓均为弧线段，所述第一凸起结构的轮廓构成的弧线段的曲率半径R1为所述第一发光层10的边长L5的1/5～1/3，所述第二凸起结构的轮廓构成的弧线段的曲率半径R2为所述第二发光层20的边长L6的1/5～1/3；或者,参照图10，所述第一凸起结构和所述第二凸起结构的轮廓均为折线段，所述第一凸起结构的轮廓构成的折线段形成的虚拟多边形的边长L7为所述第一发光层的边长L5的1/5～1/3，所述第二凸起结构的轮廓构成的折线段形成的虚拟多边形的边长L8为所述第二发光层L6的边长的1/5～1/3。由此，可以很好的保证Margin的前提下，提高开口率，同时混色风险较低。
根据本申请的实施例，参照图9，所述第一凸起结构的轮廓151和所述第二凸起结构的轮廓251均为弧线段，且所述第一凸起结构的轮廓151构成的弧线段和所述第二凸起结构的轮廓251构成的弧线段相对与第一方向垂直的一直线j-j对称；或者，参照图10，所述第一凸起结构的轮廓151和所述第二凸起结构的轮廓251均为折线段，且所述第一凸起结构的轮廓151构成的折线段和所述第二凸起结构的轮廓251构成的折线段相对与第一方向垂直的一直线k-k对称。
根据本申请的实施例，参照图9和图10，所述第一顶角的虚拟顶点141和所述第二顶角的虚拟顶点241位于与所述第一方向平行的一直线l-l或m-m上。
根据本申请的实施例，参照图11，所述第一顶角的虚拟顶点141在所述基板上的正投影位于第二发光层20在所述基板的正投影内，所述第二顶角的虚拟顶点241在所述基板上的正投影位于第一发光层10在所述基板的正投影内。一些具体实施例中，参照图12，所述第一顶角的虚拟顶点141和所述第二顶角的虚拟顶点241在第一方形上交错，即第一顶角的虚拟顶点141位于第二顶角的虚拟顶点241远离第一子像素的一侧，第二顶角的虚拟顶点241位于第一顶角的虚拟顶点141远离第二子像素的一侧。
根据本申请的实施例，所述第一发光层10和所述第二发光层20的形状为顶角具有凸出结构的四边形、六边形或八边形，所述第一虚拟顶点141处的角度α1和所述第二虚拟顶点241处的角度α2各自独立的为45度-135度，具体如45度、60度、90度、120度、135度等。
根据本申请的实施例，参照图9和图10，多个第一子像素和多个第二子像素在与第一方向垂直的第二方向交替排列，且在第二方向上相邻的所述第一发光层10和所述第二发光层20在第二方向上具有相对设置的顶角；其中，在第二方向上，所述第一发光层10的与所述第二发光层20的顶角相对的顶角为第三顶角16，所述第二发光层的与所述第一发光层的顶角相对的顶角为第四顶角26，所述第一发光层10包括第三顶角处凸出的第三补偿部17，所述第三补偿部17与所述第一发光层主体11在第三顶角处连接为一体，所述第二 发光层20包括第四顶角处凸出的第四补偿部27，所述第四补偿部27与所述第二发光层主体21在第四顶角处连接为一体，所述第三补偿部17和第四补偿部27部分交叠；且在所述第二方向上，所述第三补偿部17和所述第四补偿部27在所述基板的正投影位于所述第一子像素的发光区域12和所述第二子像素的发光区域22在所述基板的正投影之间，且与所述第一子像素的发光区域12和所述第二子像素的发光区域22在所述基板的正投影均没有交叠。
根据本申请的实施例，第三顶角、第四顶角可以与前面所述的第一顶角和第二顶角相同，即适用于第一顶角的所有特征和优点均适用于第三顶角，适用于第二顶角的所有特征和优点均适用于第四顶角，在此不再一一赘述。
根据本申请的实施例，参照图13，该显示背板还包括多个第三子像素，所述第三子像素被形成为2*2矩阵的两个第一子像素和两个第二子像素包围；所述第三子像素包括第三发光层30，且所述像素界定层的开口配置为限定所述第三子像素的发光区域32。
根据本申请的实施例，参照图13，所述形成2*2矩阵的两个第一子像素和两个第二子像素的发光区域的中心分别位于一虚拟矩形40的四个顶点，所述被两个第一子像素和两个第二子像素包围的第三子像素的发光区域位于所述虚拟矩形的中心42。
根据本申请的实施例，参照图13，所述第一发光层和所述第二发光层的顶角的凸起结构的轮廓均为弧线段，且所述第三发光层为圆角矩形，或者，参照图14，所述第一发光层和所述第二发光层的顶角的凸起结构的轮廓均为折线段，且所述第三发光层为圆角矩形。
在本申请的第三方面，本申请提供了一种显示背板。根据本申请的实施例，参照图15，该显示背板包括：基板；设置在所述基板上沿第一方向交替排列的多个第一子像素和多个第二子像素，所述第一子像素包括第一发光层10，所述第二子像素包括第二发光层20，所述第一发光层10和所述第二发光层20均为多边形，且在第一方向上相邻的所述第一发光层10和所述第二发光层20在第一方向上具有相对设置的顶角；像素界定层，具有多个开口被配置为限定多个第一子像素和多个第二子像素的发光区域；其中，相邻的所述第一发光层10和所述第二发光层20的相对的顶角中，所述第一发光层10的与所述第二发光层20的顶角相对的顶角为第一顶角14，所述第二发光层20的与所述第一发光层10的顶角相对的顶角为第二顶角24，所述第一顶角14和所述第二顶角24中的两条边向其顶点延伸交汇的部分形成为一直线段120以使得所述顶角成为平倒角，且所述第一顶角的直线段和所述第二顶角的直线段至少部分重叠；所述第一子像素的发光区域12在所述基板上的正投影落入所述第一发光层10的在所述基板上的正投影内，所述第二子像素的发光区域22在所述基板上的正投影落入所述第二发光层20的在所述基板上的正投影内，且在第一方向上，所述平倒角的直线段120在所述基板的正投影位于所述第一子像素的发光区域12和所述第二子像素的发光区域22在所述基板的正投影之间，且与所述第一子像素的发光区域12和所述第二子像素的发光区域22在所述基板的正投影均没有交叠。在该显示背板中，通过将相邻的第一顶角和第二顶角处边界重叠，制备过程中掩膜版的开口的上下左右的对位偏移量(Margin)均相同，特别是顶角处的Margin相同，从而可以充分利用像素面积，提高开 口率。
根据本申请的实施例，第一顶角的直线段和第二顶角的直线段重叠的部分的长度L可以大于10微米且小于等于0.41X，其中，X为像素界定层中相邻两个子像素开口之间的间距(或称PDL Gap)。由此，形成发光层的掩膜版的开口易于加工，精度和准确度加工，能够避免加工工艺的限制而使得直线的加工精度较差而无法形成直线或变形严重。
根据本申请的实施例，所述平倒角的两边向其顶点方向的延伸线相交的点为所述顶角的虚拟顶点；所述第一顶角的虚拟顶点141和所述第二顶角的虚拟顶点241位于与所述第一方向平行的一直线n-n上。
根据本申请的实施例，所述第一顶角的虚拟顶点141在所述基板上的正投影位于第二发光层20在所述基板的正投影内，所述第二顶角的虚拟顶点241在所述基板上的正投影位于第一发光层10在所述基板的正投影内。
根据本申请的实施例，所述第一发光层和所述第二发光层的形状为四边形、六边形或八边形，所述第一顶角的虚拟顶点的角度α1和所述第二顶角的虚拟顶点的角度α2各自独立的为45度-135度，具体如45度、60度、90度、120度、135度等。
根据本申请的实施例，参照图15，多个所述第一子像素和多个所述第二子像素在第二方向交替排列，且在所述第二方向上相邻的所述第一发光层10和所述第二发光层20在第二方向上具有相对设置的顶角；其中，在第二方向上，相邻的所述第一发光层10和所述第二发光层20的相对的顶角中，所述第一发光层10的与所述第二发光层20的顶角相对的顶角为第三顶角16，所述第二发光层20的与所述第一发光层10的顶角相对的顶角为第四顶角26，所述第三顶角16和所述第四顶角26的两条边向所述顶角的顶点延伸交汇的部分形成为一线段140以使得所述顶角成为平倒角，且所述第三顶角16的直线段和所述第四顶角26的直线段至少部分重叠；且在第二方向上，所述平倒角的直线段140在所述基板的正投影位于所述第一子像素的发光区域12和所述第二子像素的发光区域22在所述基板的正投影之间，且与所述第一子像素的发光区域12和所述第二子像素的发光区域22在所述基板的正投影均没有交叠。由此，在第二方向上，第一发光层和第二发光层之间也可以很好避免混色风险。
根据本申请的实施例，第三顶角、第四顶角可以与前面所述的第一顶角和第二顶角相同，即适用于第一顶角的所有特征和优点均适用于第三顶角，适用于第二顶角的所有特征和优点均适用于第四顶角，在此不再一一赘述。
在本申请的第四方面，本申请提供了一种用于制备前面所述的显示背板中的发光层的掩膜版组件。根据本申请的实施例，参照图16、图17和图18，该掩膜版组件包括：第一掩膜版300，所述第一掩膜版具有多个用于形成第一发光层的第一开口310；第二掩膜版400，所述第二掩膜版具有多个用于形成第二发光层的第二开口410。由此，该掩膜版可以用于制备前面所述的显示背板，得到的显示背板中的发光层可以显著减低混色的风险。
可以理解，蒸镀形成发光层时，掩膜版对位设置在基板上方，形成发光层的材料蒸发后通过掩膜版上的开口沉积在基板上，因此，第一开口的形状可以与第一发光层的形状大 致相同，适用于第一发光层的特征也适用于第一开口。例如第一开口的顶角具有上述第一发光层对应的弧线段、直线段或者补偿部，在此不再一一赘述，相应的，第二开口的形状可以和第二发光层的形状大致相同，适用于第二发光层的特征也适用于第二开口。
根据本申请的实施例，参照图19和20，该掩膜版组件还可以包括第三掩膜版500，所述第三掩膜版500具有多个用于形成第三发光层的第三开口510。与第一开口和第二开口类似，第三开口的形状可以和第三发光层的形状大致相同，适用于第三发光层的特征也适用于第三开口。需要说明的是，因为掩膜版通常也是刻蚀工艺形成，所以对于掩膜版的各个开口的角处，也会由于刻蚀工艺的限制，形成为一定的圆弧形角。进一步的，利用掩膜版蒸镀形成的发光层的形状大致与掩膜版开口形状一致，但对于角的位置，圆弧的曲率通常不会小于掩膜版开口的对应角处圆弧的曲率。此外，由于蒸镀的过程中，蒸镀的发光材料会有一定程度的扩散，以及由于距离蒸发源的距离不同，形成的发光层的边缘位置处厚度会略小于中心位置处厚度，且发光层最外侧扩散形成的范围也会略大于对应的掩膜版的开口的大小，以上实施例中，对于发光层的描述，是基于理想情况下的形状和大小，基本与掩膜版开口一致，在此基础上由于工艺原因导致的偏差所形成的发光层，也在本申请的范围内。
在本申请的第五方面，本申请提供了一种显示装置。根据本申请的实施例，该显示装置包括前面所述的显示背板。该显示装置具有前面所述的显示背板的所有特征和优点，在此不再一一赘述。
根据本申请的实施例，该显示装置的具体种类没有特别限制，可以为任何已知的显示装置，例如包括但不限于手机、平板电脑、游戏机、电视机、可穿戴设备等等。可以理解，除了前面所述的柔性显示器件之外，该显示装置还可以为包括常规显示装置必备的结构和部件，以手机为例，还可以包括触控屏、指纹识别模组、照相模组、声音***、主板、储存器和外壳等等，在此不再过多赘述。
在本申请的描述中，需要理解的是，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本申请的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本申请的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不必须针对的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任一个或多个实施例或示例中以合适的方式结合。此外，在不相互矛盾的情况下，本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。
尽管上面已经示出和描述了本申请的实施例，可以理解的是，上述实施例是示例性的，不能理解为对本申请的限制，本领域的普通技术人员在本申请的范围内可以对上述实施例 进行变化、修改、替换和变型。

Claims (35)

  1. 一种显示背板，包括：
    基板；
    设置在所述基板上沿第一方向交替排列的多个第一子像素和多个第二子像素，所述第一子像素包括第一发光层，所述第二子像素包括第二发光层，所述第一发光层和所述第二发光层均为多边形，且在第一方向上相邻的所述第一发光层和所述第二发光层在第一方向上具有相对设置的顶角；
    像素界定层，具有多个开口被配置为限定多个第一子像素和多个第二子像素的发光区域；
    其中，相邻的所述第一发光层和所述第二发光层的相对的顶角中，所述第一发光层的与所述第二发光层的顶角相对的顶角为第一顶角，所述第二发光层的与所述第一发光层的顶角相对的顶角为第二顶角，所述第一顶角和所述第二顶角中的至少一个顶角的两条边向其顶点延伸交汇的部分形成为一弧线段或直线段以使得所述顶角成为圆倒角或者平倒角；
    所述第一子像素的发光区域在所述基板上的正投影落入所述第一发光层的在所述基板上的正投影内，所述第二子像素的发光区域在所述基板上的正投影落入所述第二发光层的在所述基板上的正投影内，且在第一方向上，所述圆倒角或所述平倒角的弧线段或直线段在所述基板的正投影位于所述第一子像素的发光区域和所述第二子像素的发光区域在所述基板的正投影之间，且与所述第一子像素的发光区域和所述第二子像素的发光区域在所述基板的正投影均没有交叠。
  2. 根据权利要求1所述的显示背板，所述第一顶角和所述第二顶角之间具有间隙。
  3. 根据权利要求1或2所述的显示背板，所述弧线段的两端点连线或所述直线段在第二方向延伸，所述第二方向与所述第一方向垂直。
  4. 根据权利要求1～3中任一项所述的显示背板，所述圆倒角或所述平倒角的两边向其顶点方向的延伸线相交的点为所述顶角的虚拟顶点；
    所述第一顶角的虚拟顶点和所述第二顶角的虚拟顶点位于与所述第一方向平行的一直线上。
  5. 根据权利要求3所述的显示背板，所述第一顶角的虚拟顶点在所述基板上的正投影位于第二发光层在所述基板的正投影内，所述第二顶角的虚拟顶点在所述基板上的正投影位于第一发光层在所述基板的正投影内。
  6. 根据权利要求3或4所述的显示背板，所述第一发光层和所述第二发光层的形状为四边形、六边形或八边形，所述第一发光层和所述第二发光层的相对的顶角的虚拟顶点处的角度为45度-135度。
  7. 根据权利要求1～6中任一项所述的显示背板，所述第一顶角和所述第二顶角均具有所述弧线段，且所述第一顶角的弧线段和所述第二顶角的弧线段相对与所述第一方向垂直的一直线对称；或者，
    第一顶角和第二顶角均具有所述直线段，且所述第一顶角的直线段和所述第二顶角的 直线段相对与所述第一方向垂直的一直线对称。
  8. 根据权利要求2～7中任一项所述的显示背板，多个所述第一子像素和多个所述第二子像素在所述第二方向交替排列，在所述第二方向上相邻的所述第一发光层和所述第二发光层在所述第二方向上具有相对设置的顶角；
    其中，在所述第二方向上，相邻的所述第一发光层和所述第二发光层的相对的顶角中，所述第一发光层的与所述第二发光层的顶角相对的顶角为第三顶角，所述第二发光层的与所述第一发光层的顶角相对的顶角为第四顶角，所述第三顶角和所述第四顶角中的至少一个顶角的两条边向所述顶角的顶点延伸交汇的部分形成为一弧线段或直线段以使得所述顶角成为圆倒角或者平倒角；
    且在所述第二方向上，所述圆倒角或所述平倒角的弧线段或直线段在所述基板的正投影位于所述第一子像素的发光区域和所述第二子像素的发光区域在所述基板的正投影之间，且与所述第一子像素的发光区域和所述第二子像素的发光区域在所述基板的正投影均没有交叠。
  9. 根据权利要求8所述的显示背板，所述第三顶角和所述第四顶角之间具有间隙。
  10. 根据权利要求1～8中任一项所述的显示背板，还包括多个第三子像素，所述第三子像素被形成为2*2矩阵的两个所述第一子像素和两个所述第二子像素包围；
    所述第三子像素包括第三发光层，且所述像素界定层的开口配置为限定所述第三子像素的发光区域。
  11. 根据权利要求10所述的显示背板，所述形成2*2矩阵的两个所述第一子像素和两个所述第二子像素的发光区域的中心分别位于一虚拟矩形的四个顶点，所述被两个第一子像素和两个第二子像素包围的第三子像素的发光区域位于所述虚拟矩形的中心。
  12. 根据权利要求10或11所述的显示背板，所述第一发光层、所述第二发光层和所述第三发光层均为圆角矩形，或者，所述第一发光层和所述第二发光层均为矩形且各自的四个角为平角，所述第三发光层为圆角矩形。
  13. 根据权利要求10～12中任一项所述的显示背板，对于所述形成2*2矩阵的两个第一子像素和两个第二子像素和其中包围的第三子像素，所述第一发光层和所述第二发光层在各自的顶角处，与所述第三发光层的边界之间均具有间隙，且所述第一发光层和所述第二发光层在一个边的非顶角处与所述第三发光层的边界相接。
  14. 根据权利要求10～12中任一项所述的显示背板，所述第一子像素为红色子像素，所述第二子像素为蓝色子像素，所述第三子像素为绿色子像素。
  15. 根据权利要求10～14中任一项所述的显示背板，所述第一发光层、所述第二发光层均为圆角正方形，且所述第二发光层面积大于第一发光层面积，所述第三发光层为圆角矩形，且所述圆角矩形的长边为其靠近所述第二发光层的边，所述圆角矩形的短边为其靠近所述第一发光层的边。
  16. 一种显示背板，包括：
    基板；
    设置在所述基板上沿第一方向交替排列的多个第一子像素和多个第二子像素，所述第一子像素包括第一发光层，所述第二子像素包括第二发光层，在第一方向上相邻的所述第一发光层和所述第二发光层在所述第一方向上具有相对设置的顶角，所述第一发光层的与所述第二发光层的顶角相对的顶角为第一顶角，所述第二发光层的与所述第一发光层的顶角相对的顶角为第二顶角，所述第一发光层包括第一发光层主体和第一顶角处凸出的第一补偿部，所述第一补偿部与所述第一发光层主体在第一顶角处连接为一体，所述第二发光层包括第二发光层主体和第二顶角处凸出的第二补偿部，所述第二补偿部与所述第二发光层主体在第二顶角处连接为一体，所述第一补偿部和第二补偿部部分交叠；
    像素界定层，具有多个开口被配置为限定多个所述第一子像素和多个所述第二子像素的发光区域；
    其中，所述第一子像素的发光区域在所述基板上的正投影落入所述第一发光层在所述基板上的正投影内，所述第二子像素的发光区域在所述基板上的正投影落入所述第二发光层在所述基板上的正投影内，且在所述第一方向上，所述第一补偿部和所述第二补偿部在所述基板的正投影位于所述第一子像素的发光区域和所述第二子像素的发光区域在所述基板的正投影之间，且与所述第一子像素的发光区域和所述第二子像素的发光区域在所述基板的正投影均没有交叠。
  17. 根据权利要求16所述的显示背板，所述第一补偿部包括所述第一发光层主体的两条邻边的靠近所述第一顶角的部分分别向远离所述第一发光层主体的方向扩展并向第一顶角处交汇形成的第一凸出结构，所述第二补偿部包括所述第二发光层主体的两条邻边的靠近所述第二顶角的部分分别向远离所述第二发光层主体的方向扩展并向第二顶角处交汇形成的第二凸出结构；
    连接所述第一发光层的所述两条邻边的所述第一凸出结构的轮廓为弧线段或者为折线段；
    连接所述第二发光层的所述两条邻边的所述第二凸出结构的轮廓为弧线段或者为折线段。
  18. 根据权利要求16或17所述的显示背板，所述第一发光层主体的所述两条邻边的延长线相交的点为第一虚拟顶点，所述第二发光层主体的所述两条邻边的延长线相交的点为第二虚拟顶点，所述第一虚拟顶点位于所述第一补偿部内，所述第二虚拟顶点位于所述第二补偿部内。
  19. 根据权利要求16～18中任一项所述的显示背板，在所述第一发光层主体的所述两条邻边中的任一条的延伸方向上，该边向远离所述第一发光层主体的方向扩展的部分的长度占所述第一发光层在该边延伸方向上总尺寸的1/5～1/3。
  20. 根据权利要求17～19中任一项所述的显示背板，所述折线段包括多个依次相连的直线段，其中，所述折线段中与发光层主体相连的两个直线段向彼此靠近的方向的延伸线相交的点为虚拟交点，所述折线段与发光层主体相连的两个端点和所述虚拟交点之间的连线与所述折线段共同形成一虚拟多边形。
  21. 根据权利要求17～20中任一项所述的显示背板，所述第一凸起结构和所述第二凸起结构的轮廓均为弧线段，所述第一凸起结构的轮廓构成的弧线段的曲率半径为所述第一发光层的边长的1/5～1/3，所述第二凸起结构的轮廓构成的弧线段的曲率半径为所述第二发光层的边长的1/5～1/3；或者，
    所述第一凸起结构和所述第二凸起结构的轮廓均为折线段，所述第一凸起结构的轮廓构成的折线段形成的虚拟多边形的边长为所述第一发光层的边长的1/5～1/3，所述第二凸起结构的轮廓构成的折线段形成的虚拟多边形的边长为所述第二发光层的边长的1/5～1/3。
  22. 根据权利要求17～20中任一项所述的显示背板，所述第一凸起结构的轮廓和所述第二凸起结构的轮廓均为弧线段，且所述第一凸起结构的轮廓构成的弧线段和所述第二凸起结构的轮廓构成的弧线段相对与第一方向垂直的一直线对称；或者，
    所述第一凸起结构的轮廓和所述第二凸起结构的轮廓均为折线段，且所述第一凸起结构的轮廓构成的折线段和所述第二凸起结构的轮廓构成的折线段相对与第一方向垂直的一直线对称。
  23. 根据权利要求18～22中任一项所述的显示背板，所述第一顶角的虚拟顶点和所述第二顶角的虚拟顶点位于与所述第一方向平行的一直线上。
  24. 根据权利要求18～22中任一项所述的显示背板，所述第一顶角的虚拟顶点在所述基板上的正投影位于所述第二发光层在所述基板的正投影内，所述第二顶角的虚拟顶点在所述基板上的正投影位于所述第一发光层在所述基板的正投影内。
  25. 根据权利要求18～24中任一项所述的显示背板，所述第一发光层和所述第二发光层的形状为顶角具有凸出结构的四边形、六边形或八边形，所述第一顶角的虚拟顶点处的角度和所述第二顶角的虚拟顶角出的角度各自独立的为45度-135度。
  26. 根据权利要求16～25中任一项所述的显示背板，多个所述第一子像素和多个所述第二子像素在与第一方向垂直的第二方向交替排列，且在所述第二方向上相邻的所述第一发光层和所述第二发光层在所述第二方向上具有相对设置的顶角；
    其中，在所述第二方向上，所述第一发光层的与所述第二发光层的顶角相对的顶角为第三顶角，所述第二发光层的与所述第一发光层的顶角相对的顶角为第四顶角，所述第一发光层包括所述第三顶角处凸出的第三补偿部，所述第三补偿部与所述第一发光层主体在第三顶角处连接为一体，所述第二发光层包括所述第四顶角处凸出的第四补偿部，所述第四补偿部与所述第二发光层主体在所述第四顶角处连接为一体，所述第三补偿部和第四补偿部部分交叠；
    且在所述第二方向上，所述第三补偿部和所述第四补偿部在所述基板的正投影位于所述第一子像素的发光区域和所述第二子像素的发光区域在所述基板的正投影之间，且与所述第一子像素的发光区域和所述第二子像素的发光区域在所述基板的正投影均没有交叠。
  27. 根据权利要求16～26中任一项所述的显示背板，还包括多个第三子像素，所述第三子像素被形成为2*2矩阵的两个第一子像素和两个第二子像素包围；
    所述第三子像素包括第三发光层，且所述像素界定层的开口配置为限定所述第三子像 素的发光区域。
  28. 根据权利要求27所述的显示背板，所述形成2*2矩阵的两个第一子像素和两个第二子像素的发光区域的中心分别位于一虚拟矩形的四个顶点，所述被两个第一子像素和两个第二子像素包围的第三子像素的发光区域位于所述虚拟矩形的中心。
  29. 根据权利要求27或28所述的显示背板，所述第一发光层和所述第二发光层的顶角的凸起结构的轮廓均为弧线段，且所述第三发光层为圆角矩形，或者，所述第一发光层和所述第二发光层的顶角的凸起结构的轮廓均为折线段，且所述第三发光层为圆角矩形。
  30. 根据权利要求27～29中任一项所述的显示背板，所述第一子像素为红色子像素，所述第二子像素为蓝色子像素，所述第三子像素为绿色子像素。
  31. 根据权利要求27～30中任一项所述的显示背板，所述第一发光层、所述第二发光层均为四个角具有凸出结构的正方形，所述四个角的凸出结构的轮廓均为圆弧，且所述第二发光层的面积大于所述第一发光层的面积，所述第三发光层为圆角矩形，且所述圆角矩形的长边为其靠近所述第二发光层的边，所述圆角矩形的短边为其靠近所述第一发光层的边。
  32. 一种显示背板，包括：
    基板；
    设置在所述基板上沿第一方向交替排列的多个第一子像素和多个第二子像素，所述第一子像素包括第一发光层，所述第二子像素包括第二发光层，所述第一发光层和所述第二发光层均为多边形，且在第一方向上相邻的所述第一发光层和所述第二发光层在第一方向上具有相对设置的顶角；
    像素界定层，具有多个开口被配置为限定多个第一子像素和多个第二子像素的发光区域；
    其中，相邻的所述第一发光层和所述第二发光层的相对的顶角中，所述第一发光层的与所述第二发光层的顶角相对的顶角为第一顶角，所述第二发光层的与所述第一发光层的顶角相对的顶角为第二顶角，所述第一顶角和所述第二顶角的两条边向其顶点延伸交汇的部分形成为一直线段以使得所述顶角成为平倒角，且所述第一顶角的直线段和所述第二顶角的直线段至少部分重叠；
    所述第一子像素的发光区域在所述基板上的正投影落入所述第一发光层的在所述基板上的正投影内，所述第二子像素的发光区域在所述基板上的正投影落入所述第二发光层的在所述基板上的正投影内，且在第一方向上，所述平倒角的直线段在所述基板的正投影位于所述第一子像素的发光区域和所述第二子像素的发光区域在所述基板的正投影之间，且与所述第一子像素的发光区域和所述第二子像素的发光区域在所述基板的正投影均没有交叠。
  33. 根据权利要求32所述的显示背板，多个所述第一子像素和多个所述第二子像素在与所述第一方向垂直的第二方向交替排列，在所述第二方向上相邻的所述第一发光层和所述第二发光层在所述第二方向上具有相对设置的顶角；
    其中，在所述第二方向上，相邻的所述第一发光层和所述第二发光层的相对的顶角中，所述第一发光层的与所述第二发光层的顶角相对的顶角为第三顶角，所述第二发光层的与所述第一发光层的顶角相对的顶角为第四顶角，所述第三顶角和所述第四顶角中的至少一个顶角的两条边向所述顶角的顶点延伸交汇的部分形成为一直线段以使得所述顶角成为平倒角，且所述第三顶角的直线段和所述第四顶角的直线段至少部分重叠；
    且在所述第二方向上，所述平倒角的直线段在所述基板的正投影位于所述第一子像素的发光区域和所述第二子像素的发光区域在所述基板的正投影之间，且与所述第一子像素的发光区域和所述第二子像素的发光区域在所述基板的正投影均没有交叠。
  34. 一种用于制备权利要求1～33中任一项所述的显示背板中的发光层的掩膜版组件，包括：
    第一掩膜版，所述第一掩膜版具有多个用于形成第一发光层的第一开口；
    第二掩膜版，所述第二掩膜版具有多个用于形成第二发光层的第二开口。
  35. 根据权利要求34所述的掩膜版组件，还包括：
    第三掩膜版，所述第三掩膜版具有多个用于形成第三发光层的第三开口。
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CN110321027A (zh) * 2018-03-30 2019-10-11 夏普株式会社 具有保护的显示器用触摸传感器

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104465714A (zh) * 2014-12-30 2015-03-25 京东方科技集团股份有限公司 一种像素结构及其显示方法、显示装置
CN110321027A (zh) * 2018-03-30 2019-10-11 夏普株式会社 具有保护的显示器用触摸传感器
CN109585699A (zh) * 2018-12-05 2019-04-05 合肥鑫晟光电科技有限公司 Oled显示面板及其制造方法、显示装置

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