WO2022011895A1 - 显示面板、掩膜板组以及显示装置 - Google Patents

显示面板、掩膜板组以及显示装置 Download PDF

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Publication number
WO2022011895A1
WO2022011895A1 PCT/CN2020/126643 CN2020126643W WO2022011895A1 WO 2022011895 A1 WO2022011895 A1 WO 2022011895A1 CN 2020126643 W CN2020126643 W CN 2020126643W WO 2022011895 A1 WO2022011895 A1 WO 2022011895A1
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Prior art keywords
sub
pixel
pixels
adjacent
unit
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PCT/CN2020/126643
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English (en)
French (fr)
Inventor
徐海乐
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武汉华星光电半导体显示技术有限公司
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Publication of WO2022011895A1 publication Critical patent/WO2022011895A1/zh

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Classifications

    • 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
    • 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
    • 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
    • C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/24—Vacuum evaporation
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • 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
    • H10K59/352—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels the areas of the RGB subpixels being different
    • 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

Definitions

  • the present application relates to the field of display technology, in particular to the manufacture of display devices, and in particular to a display panel, a mask set, and a display device.
  • OLED Organic Light Emitting Diode
  • OLED display panels have the advantages of fast response speed, high contrast ratio and wide viewing angle.
  • FMM Fe Metal Mask, high-precision metal mask
  • the purpose of the present application is to provide a display panel, a mask set and a display device.
  • each unit area By setting each unit area to include a plurality of sub-unit areas, a first sub-unit area close to the center of the corresponding unit area is arranged in each sub-unit area.
  • pixel, a second sub-pixel close to the first side in the corresponding sub-unit area, and a third sub-pixel close to the second side in the corresponding sub-unit area, and both sides of the junction of the two adjacent unit areas include the same
  • the adjacent two second sub-pixels and the adjacent two third sub-pixels solve the limitation of the existing sub-pixels limited by the minimum opening of the FMM and the limitation of the minimum precision of the evaporation process, resulting in the OLED display panel. lower resolution issues.
  • An embodiment of the present application provides a display panel, the display panel includes a substrate and a pixel layer disposed on the substrate, the pixel layer includes a plurality of unit areas, and the outer contour of each unit area in the plurality of unit areas is positive polygon, each unit area includes:
  • each sub-unit area in the plurality of sub-unit areas is jointly defined by a line connecting the center of the corresponding unit area and the midpoints of two adjacent sides, and the two adjacent sides , each sub-unit area includes a first side and a second side, the first side and the second side are far away from the center of the corresponding unit area, and each sub-unit area includes:
  • the first sub-pixel is located in the central area of the corresponding unit area
  • the second sub-pixel is located in a first edge region of the corresponding sub-unit region, and the first edge region is close to the first side;
  • the third sub-pixel is located in a second edge region of the corresponding sub-unit region, and the second edge region is close to the second side;
  • both sides of the junction of two adjacent unit areas in the plurality of unit areas include two adjacent second sub-pixels and two adjacent third sub-pixels.
  • the shape of the first sub-pixel, the second sub-pixel and the third sub-pixel is a sector, a rectangle or a triangle.
  • each side of each unit area includes the second sub-pixel and the third sub-pixel.
  • each sub-unit area further includes:
  • a fourth sub-pixel, the fourth sub-pixel is located in a third edge region of the corresponding sub-unit region, and the third edge region is close to the intersection of the first side and the second side.
  • the two sides of the junction of two adjacent unit areas include two adjacent unit areas. the fourth subpixel.
  • the outer contour of each of the plurality of unit regions is a regular triangle, a regular quadrilateral or a regular hexagon.
  • the area of the first sub-pixel is larger than the area of the second sub-pixel, and the area of the first sub-pixel is larger than the area of the third sub-pixel, wherein the first sub-pixel is blue color, the second sub-pixel is green, and the third sub-pixel is red.
  • the display panel further includes a pixel definition layer, the pixel definition layer is disposed on the substrate, and the pixel definition layer is located on the first sub-pixel, the second sub-pixel and the Between any two adjacent third sub-pixels, the pixel definition layer is used to block any adjacent one of the first sub-pixel, the second sub-pixel and the third sub-pixel of both.
  • the pixel definition layer includes:
  • the constituent material of the plurality of first pixel definition parts is an organic resin material having hydrophobicity.
  • the pixel definition layer is further located between two adjacent first sub-pixels, between two adjacent second sub-pixels and between two adjacent third sub-pixels , the pixel definition layer is used for blocking two adjacent first sub-pixels, two adjacent second sub-pixels and two adjacent third sub-pixels.
  • the pixel definition layer includes:
  • a plurality of second pixel definition parts are located between two adjacent first sub-pixels, between two adjacent second sub-pixels, and adjacent two of the first sub-pixels. Between the three sub-pixels, the constituent material of the second pixel defining portion is an insulating material.
  • An embodiment of the present invention further provides a mask plate set for preparing the display panel as described in any one of the above, the mask plate set includes:
  • the first mask used for preparing the first sub-pixels, includes a plurality of first openings, each of the first openings arranged opposite to a plurality of the first sub-pixels located in the same unit area;
  • the second mask is used for preparing the second sub-pixels, the second mask includes a plurality of second openings, each of the plurality of second openings is a second opening opposite to the two adjacent second sub-pixels located on both sides of the junction of two adjacent unit areas;
  • the third mask is used for preparing the third sub-pixels, the third mask includes a plurality of third openings, and each third opening in the plurality of third openings The two adjacent third sub-pixels located on both sides of the junction of two adjacent unit regions are disposed opposite to each other.
  • Embodiments of the present invention further provide a display device, the display device comprising the display panel as described above.
  • the present application provides a display panel, a mask set, and a display device.
  • the pixel layer includes a plurality of regular polygonal unit areas, and each unit area includes a plurality of sub-unit areas. The center of the unit area is connected to two adjacent sides respectively.
  • each sub-unit area includes a first side and a second side far from the center of the corresponding unit area, each sub-unit area
  • the unit area includes a first sub-pixel located in the central area of the corresponding unit area, a second sub-pixel located in the corresponding sub-unit area and close to the first side, and a third sub-pixel located in the corresponding sub-unit area and close to the second side pixel, and two adjacent second sub-pixels and two adjacent third sub-pixels are included on both sides of the junction of two adjacent unit areas.
  • each first sub-pixel can be used as the first sub-pixel in the corresponding sub-unit area, and is located at the junction of two adjacent unit areas.
  • the two adjacent second sub-pixels and two adjacent third sub-pixels on both sides of the junction one second sub-pixel and one third sub-pixel located on the same side of the junction can be used as one of the unit areas.
  • the sub-pixel in the present invention is not limited by the minimum opening of the FMM and the minimum precision of the evaporation process, thereby improving the resolution of the display panel.
  • FIG. 1 is a schematic cross-sectional view of a display panel according to an embodiment of the present application.
  • FIG. 2 is a schematic top view of a pixel layer of a display panel according to an embodiment of the present application.
  • FIG. 3 is a schematic top view of a pixel layer of another display panel according to an embodiment of the present application.
  • FIG. 4 is a schematic top view of a pixel layer of another display panel according to an embodiment of the present application.
  • FIG. 5 is a schematic cross-sectional view of another display panel according to an embodiment of the present application.
  • FIG. 6 is a schematic cross-sectional view of still another display panel according to an embodiment of the present application.
  • FIG. 7 is a schematic top view of a mask according to an embodiment of the present application.
  • FIG. 8 is a schematic top view of another mask provided in an embodiment of the present application.
  • FIG. 9 is a schematic top view of yet another mask plate provided by an embodiment of the present application.
  • orientation or positional relationship indicated by the terms “upper”, “lower”, “longitudinal”, “surrounding”, etc. is based on the orientation or positional relationship shown in the accompanying drawings, for example, wherein, “Up” means that the surface is above the object, specifically refers to directly above, obliquely above, or the upper surface, as long as it is above the level of the object.
  • “Up” means that the surface is above the object, specifically refers to directly above, obliquely above, or the upper surface, as long as it is above the level of the object.
  • the above orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, not An indication or implication that the referred device or element must have a particular orientation, be constructed and operate in a particular orientation, is not to be construed as a limitation of the invention.
  • first”, second, etc. are used for descriptive purposes only, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, features defined as “first”, “second” may expressly or implicitly include one or more of said features. In the description of the present application, “plurality” means two or more, unless otherwise expressly and specifically defined.
  • the present application provides a display panel, the display panel includes but is not limited to the following embodiments and combinations between the following embodiments.
  • the display panel 00 includes a substrate 10 and a pixel layer 20 disposed on the substrate 10 .
  • the pixel layer 20 includes a plurality of unit areas 201 , and the outer contour of each unit area 201 in the plurality of unit areas 201 is a regular polygon, and each unit area 201 includes: a plurality of sub-unit areas 202 .
  • Each sub-unit area 202 in the plurality of sub-unit areas 202 is jointly defined by a line connecting the center of the corresponding unit area 201 and the midpoints of two adjacent sides, and the two adjacent sides.
  • Each sub-unit area 202 includes a first side 203 and a second side 204, and both the first side 203 and the second side 204 are far away from the center of the corresponding unit area.
  • Each sub-unit area 202 includes: a first sub-pixel 2021, the first sub-pixel 2021 is located in the center area of the corresponding unit area 201; a second sub-pixel 2022, the second sub-pixel 2022 is located in the corresponding sub-pixel 202.
  • the first edge area of the unit area 202, the first edge area is close to the first side 203; the third sub-pixel 2023, the third sub-pixel 2023 is located in the second edge area of the corresponding sub-unit area 202, so
  • the second edge region is adjacent to the second side 204 .
  • both sides of the junction 01 between two adjacent unit areas 201 in the plurality of unit areas 201 include two adjacent second sub-pixels 2022 and two adjacent third sub-pixels 2023 .
  • each unit area 201 is a regular polygon
  • the plurality of sub-unit areas 202 in each unit area 201 are arranged around the center of the unit area 201
  • the number of the sub-unit areas 202 in the plurality of sub-unit areas 202 is
  • the first sub-pixel 2021 , the second sub-pixel 2022 and the third sub-pixel 2023 are arranged in the same manner, which can improve the uniformity and symmetry of the sub-pixel arrangement in the pixel layer, which is beneficial to the display panel 00 . Uniformity of the display screen.
  • the specific shapes of the first sub-pixel 2021, the second sub-pixel 2022 and the third sub-pixel 2023 are not limited, for example, they may be fan-shaped, rectangular, triangular or other shapes.
  • the plurality of first sub-pixels 2021 in each unit area 201 are located in the center of the unit area 201, and according to the definition of the plurality of sub-unit areas 202 in each unit area 201, it can be known that,
  • the two sides of the first sub-pixel 2021 are respectively located on the connecting line between the midpoint of the corresponding unit area 201 and the midpoints of the two adjacent sides, and other edges of the first sub-pixel 2021 may also include At least one of a curve and a straight line.
  • the other side of the first sub-pixel 2021 is an arc as an example.
  • the first sub-pixel 2021 is located at the midpoint of the corresponding unit area 201 and the midpoint of the two adjacent sides.
  • the lengths of the two sides on the connection line may be equal, that is, the outer contour of the first sub-pixel 2021 is a fan shape, and the central angle corresponding to the fan shape is equal to the distance between the corresponding sub-unit area 202 and the center of the corresponding unit area 201 .
  • the degree of the angle of the plurality of sub-unit areas 202 close to the center of the corresponding unit area 201 can be divisible by ⁇ , so that an integer number of first sub-pixels 2021 can be set around each unit area 201, And two adjacent first sub-pixels 2021 in the integer number of first sub-pixels 2021 have a common edge, that is, the overall outer contour of the plurality of first sub-pixels 2021 in each unit area 201 is circular, and there are This facilitates the uniformity of the display screen of the display panel 00 .
  • the second sub-pixel 2022 is located in the first edge region of the corresponding sub-unit region 202 close to the first side 203 , and the two sides of the junction 01 of two adjacent unit regions 201 include adjacent
  • the two second sub-pixels 2022 that is, the two adjacent second sub-pixels 2022 on both sides of the junction 01 of two adjacent unit regions 201 may be symmetrical with respect to the junction 01 .
  • one of the sides of the second sub-pixel 2022 may be located on the first side 203.
  • the outer contour of the second sub-pixel 2022 is semicircular, two adjacent unit areas 201
  • the overall outer contour of the two second sub-pixels 2022 adjacent to both sides of the junction 01 is circular.
  • the shape of the third sub-pixel 2023 reference may be made to the above related description on the shape of the second sub-pixel 2022. Further, the second sub-pixel 2022 and the third sub-pixel 2023 in each sub-unit area 202 may be symmetrical with respect to the connection line between the center of the corresponding unit area 201 and the opposite corners, further improving the display. The uniformity of the display screen of the panel 00 .
  • each side of each unit area 201 includes the second sub-pixel 2022 and the third sub-pixel 2023 . It can be understood that each side of each unit area 201 may include two types of sub-pixels, the second sub-pixel 2022 and the third sub-pixel 2023 , that is, each side of each unit area 201 There are many kinds of sub-pixels, for example, the second sub-pixel 2022 and the third sub-pixel 2023 on each side of each unit area 201 may be the same as the first sub-pixel 2021 located in the center of the unit area 201. Together they form a minimum display unit for screen display.
  • each of the first side 203 and the second side 204 of each unit area 201 includes at least one of the second sub-pixels 2022 and at least one of the third sub-pixels 2023
  • a plurality of The second sub-pixels 2022 and a plurality of the third sub-pixels 2023 may be alternately arranged on multiple sides of the corresponding unit area 201 to avoid the loss of resolution caused by the accumulation of the same sub-pixels.
  • each sub-unit area 202 further includes a fourth sub-pixel 2024 , and the fourth sub-pixel 2024 is located in the third edge area of the corresponding sub-unit area 202 , The third edge region is near the intersection of the first side 203 and the second side 204 .
  • a plurality of the fourth sub-pixels 2024 in each unit area 201 are located in areas close to the top corners of the unit area 201 , that is, two of the fourth sub-pixels 2024
  • the edges are respectively located on the first edge 203 and the second edge 204 in the corresponding sub-unit area 202 .
  • edges of the fourth sub-pixel 2024 may also include at least one of a curve and a straight line.
  • the other side of the fourth sub-pixel 2024 is an arc as an example.
  • the first side 203 and the second side of the fourth sub-pixel 2024 are respectively located in the corresponding unit area 201
  • the lengths of the two sides of the 204 may be equal, that is, the outer contour of the fourth sub-pixel 2024 is a fan shape, and the central angle corresponding to the fan shape is equal to the vertex angle of the corresponding unit area 201 .
  • the adjacent two unit areas 201 are The two sides of the junction include two adjacent fourth sub-pixels 2024 . It can be understood that a plurality of the fourth sub-pixels 2024 in each unit area 201 can be reasonably set according to the specific shape and arrangement of the plurality of unit areas 201 .
  • the plurality of unit areas 201 may be complementary, and one vertex of one unit area 201 may be completely surrounded by the plurality of unit areas 201, that is, the The number of vertex angles can be divisible by ⁇ , so that an integer number of fourth sub-pixels 2024 can be set around one vertex of one of the unit regions 201, and two adjacent fourth sub-pixels 2024 in the integer number of fourth sub-pixels 2024
  • the pixels 2024 have a common edge, that is, the overall outer contour of the integer number of fourth sub-pixels 2024 located around one vertex of one of the unit regions 201 is circular, which is beneficial to the uniformity of the display screen of the display panel 00 sex.
  • the area of the first sub-pixel 2021 is larger than that of the second sub-pixel 2022, and the area of the first sub-pixel 2021 is larger than that of the third sub-pixel 2023, wherein the The first sub-pixel 2021 is blue, the second sub-pixel 2022 is green, and the third sub-pixel 2023 is red.
  • the area of the second sub-pixel 2022 and the area of the third sub-pixel 2023 may be equal or unequal.
  • each sub-unit area 202 further includes a fourth sub-pixel 2024
  • the area of the fourth sub-pixel 2024 may be smaller than the area of the second sub-pixel 2022 and the area of the third sub-pixel 2023.
  • the fourth sub-pixel 2024 may be white, whichever is smaller.
  • the colors such as red, green, blue, and white refer to the corresponding sub-pixels such as the third sub-pixel 2023, the second sub-pixel 2022, the first sub-pixel 2021, and the fourth sub-pixel 2024 under certain conditions.
  • the colors that can be presented, for example, for an OLED display panel the sub-pixels have structures and functions similar to organic electroluminescent diodes, and the colors refer to the corresponding colors that the sub-pixels can emit under the operating voltage. It can be understood that the sub-pixels of suitable sizes can be set according to the luminous efficiency and service life of the sub-pixels of different colors, and the size of the sub-pixels can be negative with the luminous efficiency and service life of the sub-pixels.
  • the luminous efficiency and service life of the first sub-pixel 2021 of blue are much smaller than the second sub-pixel 2022 of green and the third sub-pixel 2023 of red, so the first sub-pixel 2021 may be larger than the area of the second sub-pixel 2022 and larger than the area of the third sub-pixel 2023 .
  • the plurality of first sub-pixels 2021 in each unit area 201 are arranged in the central area of the unit area 201, the plurality of first sub-pixels 2021 in each unit area 201 can pass through the The same opening is prepared at the same time; because two adjacent second sub-pixels 2022, both of which are green, and two adjacent second sub-pixels 2022, both of which are red, are provided on both sides of the junction 01 of two adjacent unit areas 201. Three sub-pixels 2023, two adjacent second sub-pixels 2022 on both sides of the junction 01 of two adjacent unit regions 201, both of which are green, can also be prepared through the same opening and at the same time.
  • each sub-unit area 202 includes sub-pixels of at least three colors, that is, each sub-unit area 202 can already be used as the smallest display unit to realize the normal display of full-color images, that is, through the same opening, and
  • the plurality of first sub-pixels 2021 prepared at the same time can be respectively used as blue sub-pixels in the corresponding plurality of sub-unit regions 202; similarly, the two second sub-pixels 2022 that pass through the same opening and are simultaneously prepared can be respectively used as the blue sub-pixels in the corresponding plurality of sub-unit regions 202;
  • the green sub-pixels in the corresponding two sub-unit areas 202; similarly, two third sub-pixels 2023 prepared through the same opening and simultaneously can be used as the red sub-pixels in the corresponding two sub-unit areas 202; Further, when each sub-unit area 202 includes sub-pixels of at least three colors, that is, each sub-unit area 202 can already be used as the smallest display unit to realize the normal display of full-
  • each unit area 201 in the plurality of unit areas 201 is a regular triangle, a regular quadrilateral or a regular hexagon.
  • each unit area 201 in the plurality of unit areas 201 is a regular triangle.
  • the upward and downward directions are arranged alternately in turn, and the plurality of unit areas 201 in two adjacent rows are symmetrical with respect to the boundary line of the two adjacent rows, that is, six unit areas 201 can be arranged around one of the vertices in one of the unit areas 201 .
  • the angle of the six unit areas 201 close to the vertex is 60°.
  • three sub-unit areas 202 can be defined, and the three sub-unit areas 202 are close to the corresponding unit areas.
  • the angle of the center of 201 is 120°, and the angle away from the center of the corresponding unit area 201 is 60°.
  • the three first sub-pixels 2021 located in the central area of the corresponding unit area 201 may be in the shape of a fan with a central angle of 120°, that is, the three first sub-pixels 2021 that pass through the same opening and are prepared at the same time can be respectively used as the The blue sub-pixels in the three sub-unit areas 202 in the same unit area 201 .
  • two adjacent second sub-pixels 2022 and two adjacent third sub-pixels 2023 located on both sides of any one of the three sides of the corresponding unit area 201 may be semicircular, that is, through the same
  • the two second sub-pixels 2022 or the two third sub-pixels 2023 that are opened and simultaneously prepared can be used as green sub-pixels or red sub-pixels included in two sub-unit regions 202 in two different unit regions 201 .
  • the three fourth sub-pixels 2024 respectively located at the three vertex corners of the corresponding unit area 201 may be in the shape of a fan with a central angle of 60°, that is, three fourth sub-pixels that pass through the same opening and are prepared at the same time. 2024 may be used as white sub-pixels in three sub-unit areas 202 contained in three different unit areas 201, respectively.
  • each unit area 201 in the plurality of unit areas 201 is a regular quadrilateral
  • the plurality of unit areas 201 are arranged in a matrix
  • the plurality of unit areas 201 in two adjacent rows Symmetrical with respect to the boundary line of the two adjacent rows
  • a plurality of unit areas 201 of the adjacent two columns are symmetrical with respect to the boundary line of the two adjacent columns, that is, the periphery of one of the vertices in one of the unit areas 201 can be set Four of the unit areas 201, and the angle of the four unit areas 201 close to the vertex is 90°.
  • the midpoints of the four sides of the regular quadrilateral unit area 201 with the midpoint of the unit area 201, four sub-unit areas 202 can be defined, and the four sub-unit areas 202 are close to the center of the corresponding unit area 201.
  • the angle is 90°, and the angle away from the center of the corresponding unit area 201 is 90°.
  • the four first sub-pixels 2021 located in the central area of the corresponding unit area 201 may be in the shape of a sector with a central angle of 90°, that is, the four first sub-pixels 2021 that pass through the same opening and are prepared at the same time may be respectively used as components including blue sub-pixels in the four sub-unit areas 202 in the same unit area 201 .
  • the adjacent two second sub-pixels 2022 and the adjacent two third sub-pixels 2023 located on both sides of any one of the four sides of the corresponding unit area 201 may be semi-circular. For details, please refer to FIG. 2 for the relevant description here.
  • the four fourth sub-pixels 2024 respectively located at the four vertex corners of the corresponding unit area 201 may be in the shape of a fan with a central angle of 90°, that is, four fourth sub-pixels that pass through the same opening and are prepared at the same time. 2024 may be used as white sub-pixels in the four sub-unit regions 202 included in the four different unit regions 201, respectively.
  • each unit area 201 in the plurality of unit areas 201 is a regular hexagon, and the plurality of unit areas 201 in two adjacent columns of the plurality of unit areas 201 are in the longitudinal direction
  • the upper interval is half of the unit area 201, that is, three unit areas 201 can be set around one of the vertexes in one of the unit areas 201, and the angle of the three unit areas 201 close to the vertex is 120° .
  • six sub-unit areas 202 can be defined, and the six sub-unit areas 202 are close to the corresponding unit areas.
  • the angle of the center of 201 is 60°, and the angle away from the center of the corresponding unit area 201 is 120°.
  • the six first sub-pixels 2021 located in the central area of the corresponding unit area 201 may be in the shape of a sector with a central angle of 60°, that is, the six first sub-pixels 2021 that pass through the same opening and are prepared at the same time may be respectively used as components including blue sub-pixels in the six sub-unit regions 202 in the same unit region 201 .
  • the adjacent two second sub-pixels 2022 and the adjacent two third sub-pixels 2023 located on both sides of any one of the six sides of the corresponding unit area 201 may be semicircular. For details, please refer to FIG.
  • the six fourth sub-pixels 2024 respectively located at the six vertex corners of the corresponding unit area 201 may be in the shape of a sector with a central angle of 120°, that is, six fourth sub-pixels that pass through the same opening and are prepared at the same time. 2024 may be used as white sub-pixels in three sub-unit areas 202 contained in three different unit areas 201, respectively.
  • the display panel further includes a pixel definition layer 30 , and the pixel definition layer 30 is provided on the On the substrate 10, the pixel definition layer 30 is located between any two adjacent ones of the first sub-pixel 2021, the second sub-pixel 2022 and the third sub-pixel 2023, and the pixel defines The layer 30 is used to block any adjacent two of the first sub-pixel 2021 , the second sub-pixel 2022 and the third sub-pixel 2023 .
  • the pixel definition layer 30 includes a plurality of first pixel definition parts 301 , and the plurality of first pixel definition parts 301 are located in the first sub-pixel 2021 , the second sub-pixel 2022 and the third sub-pixel 2021 . Between any two adjacent sub-pixels 2023. Further, since the constituent materials of the plurality of sub-pixels of different colors are generally hydrophilic materials, the plurality of first pixel definition parts 301 can be prepared by using a hydrophobic organic resin material to prevent the sub-pixels of different colors. Color mixing between pixels.
  • the pixel definition layer 30 is further located between two adjacent first sub-pixels 2021 , Between two adjacent second sub-pixels 2022 and between two adjacent third sub-pixels 2023, the pixel definition layer is used to block the adjacent two first sub-pixels 2021, phase Two adjacent second sub-pixels 2022 and two adjacent third sub-pixels 2023.
  • the pixel definition layer 30 includes a plurality of second pixel definition parts 302, and the plurality of second pixel definition parts 302 are located between two adjacent first sub-pixels 2021 and two adjacent second pixel definition parts 302.
  • the constituent material of the second pixel definition portion 302 may be an insulating material.
  • the upper surface of the second pixel definition part 302 can be made not higher than the upper surface of the corresponding multiple sub-pixels. surface, so that a plurality of sub-pixels prepared through the same opening are in contact with each other; further, the constituent material of the second pixel definition portion 302 may also have hydrophilicity, so that the same opening, And the multiple sub-pixels prepared at the same time can be more coherent.
  • the present invention provides a mask plate set for preparing the display panel 00 as described in any of the above, and the mask plate set includes but is not limited to the following embodiments and combinations between the following embodiments .
  • the mask plate set is used to prepare the display panel 00 shown in FIG. 3 as an example for description.
  • the mask plate set includes: A mask 100, the first mask 100 is used for preparing the first sub-pixels 2021, as shown in FIG. 7, the first mask 100 includes a plurality of first openings 110, the plurality of Each of the first openings 110 is disposed opposite to the plurality of first sub-pixels 2021 located in the same unit area 201; the second mask 200 is used for The second sub-pixel 2022 is prepared, as shown in FIG.
  • the second mask 200 includes a plurality of second openings 210 , and the second openings 210 are located at the junction of two adjacent unit regions 201
  • the two adjacent second sub-pixels 2022 on both sides of 01 are arranged opposite to each other;
  • the third mask 300 is used to prepare the third sub-pixel 2023, as shown in FIG. 9
  • the third mask plate 300 includes a plurality of third openings 310, the third openings 310 are located on both sides of the junction 01 of the two adjacent unit regions 201 adjacent to the two third sub-sections Relative settings like 2023 pixels.
  • the first mask 100 is taken as an example for description, the position, shape and size of each first opening 110 in the first mask 100 are all corresponding to the plurality of first sub-pixels 2021
  • the positions, shapes, and sizes are the same, that is, all the first sub-pixels 2021 in the pixel layer 20 can be prepared at the same time through the first mask 100, and through the same first opening 110, and can be prepared at the same time
  • the plurality of the first sub-pixels 2021 can be respectively used as blue sub-pixels in the corresponding plurality of sub-unit regions 202 .
  • a plurality of the second sub-pixels 2022 that pass through the same second opening 210 and are prepared at the same time can be respectively used as green sub-pixels in the corresponding two sub-unit regions 202 and pass through the same third opening.
  • the two third sub-pixels 2023 prepared at the same time can be used as red sub-pixels in the corresponding two sub-unit regions 202, respectively.
  • the plurality of first openings 110 , the plurality of second openings 210 and the plurality of third openings 310 may be integrated on one mask, that is, time-sharing or The plurality of first sub-pixels 2021, the plurality of second sub-pixels 2022, and the plurality of third sub-pixels 2023 are prepared.
  • the mask plates in the mask plate group are generally FMMs, and the size and number of the smallest openings of the FMM limit the size and number of the corresponding sub-pixels.
  • the mask plates in this embodiment Any opening in the group can simultaneously prepare a plurality of corresponding sub-pixels at one time, and the corresponding plurality of sub-pixels prepared at one time can be respectively included in a plurality of corresponding minimum display units, that is, in this embodiment, a plurality of phase Adjacent sub-pixels of the same color can be prepared through the same opening in the mask set, so this embodiment is less restricted by the opening when preparing the pixel layer 20, and can be used in the minimum opening of the existing FMM. Under the limitation of size and quantity, the resolution of the display panel 00 is improved.
  • the present invention provides a display device including but not limited to the display panel 00 as described above.
  • the present application provides a display panel, a mask set, and a display device.
  • the pixel layer includes a plurality of regular polygonal unit areas, and each unit area includes a plurality of sub-unit areas. The center of the unit area is connected to two adjacent sides respectively.
  • each sub-unit area includes a first side and a second side far from the center of the corresponding unit area, each sub-unit area
  • the unit area includes a first sub-pixel located in the central area of the corresponding unit area, a second sub-pixel located in the corresponding sub-unit area and close to the first side, and a third sub-pixel located in the corresponding sub-unit area and close to the second side pixel, and two adjacent second sub-pixels and two adjacent third sub-pixels are included on both sides of the junction of two adjacent unit areas.
  • each first sub-pixel can be used as the first sub-pixel in the corresponding sub-unit area, and is located at the junction of two adjacent unit areas.
  • the two adjacent second sub-pixels and two adjacent third sub-pixels on both sides of the junction one second sub-pixel and one third sub-pixel located on the same side of the junction can be used as one of the unit areas.
  • the sub-pixel in the present invention is not limited by the minimum opening of the FMM and the minimum precision of the evaporation process, thereby improving the resolution of the display panel.

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Abstract

提供了显示面板（00）、掩膜板组以及显示装置，显示面板（00）包括由多个外轮廓呈正多边形的单位区域（201）构成的像素层，单位区域（201）包括多个由其中心和相邻的两条边的中点共同限定的子单位区域（202），子单位区域（202）包括同时位于其内侧两条边上的的第一子像素（2021）、分别位于外侧两条边上的第二子像素（2022）和第三子像素（2023），单位区域（201）任一外边缘两侧的像素相同。

Description

显示面板、掩膜板组以及显示装置 技术领域
本申请涉及显示技术领域，尤其涉及显示器件的制造，具体涉及显示面板、掩膜板组以及显示装置。
 背景技术
OLED(Organic Light Emitting Diode，有机发光二极管)是一种新型电流型半导体发光器件，属于自主发光技术，OLED显示面板相比传统的液晶显示面板，具有响应速度快、对比度高、视角广等优点。
目前，通常采用不同型号的FMM（Fine Metal Mask，高精度金属掩模板)蒸镀形成对应颜色的子像素。然而，受限于FMM的最小开口的限制以及蒸镀工艺最小精度的限制，形成的子像素的尺寸无法足够小，以至于子像素数目也受到限制，导致OLED显示面板的分辨率较低，以至于OLED显示面板的图像质量较差。
因此，有必要提供可以提高OLED显示面板的分辨率的显示面板、掩膜板组以及显示装置。
 技术问题
本申请的目的在于提供显示面板、掩膜板组以及显示装置，通过将每一个单位区域设置为包括多个子单位区域，在每一个子单位区域中设置靠近对应的单位区域的中心的第一子像素、靠近对应的子单位区域中第一边的第二子像素、以及靠近对应的子单位区域中第二边的第三子像素，并且相邻的两个单位区域的交界处两侧包括相邻的两个第二子像素和相邻的两个第三子像素，以解决现有的子像素受限于FMM的最小开口的限制以及蒸镀工艺最小精度的限制，导致的OLED显示面板的分辨率较低的问题。
 技术解决方案
本申请实施例提供显示面板，所述显示面板包括基板和设于所述基板上的像素层，所述像素层包括多个单位区域，所述多个单位区域中每一个单位区域的外轮廓呈正多边形，所述每一个单位区域包括：
多个子单位区域，所述多个子单位区域中每一个子单位区域由对应的单位区域的中心分别和相邻的两条边的中点的连线、以及所述相邻的两条边共同限定，所述每一个子单位区域包括第一边和第二边，所述第一边和所述第二边均远离对应的单位区域的中心，所述每一个子单位区域包括：
第一子像素，所述第一子像素位于对应的单位区域的中心区域；
第二子像素，所述第二子像素位于对应的子单位区域的第一边缘区，所述第一边缘区靠近所述第一边；
第三子像素，所述第三子像素位于对应的子单位区域的第二边缘区，所述第二边缘区靠近所述第二边；
其中，所述多个单位区域中相邻的两个单位区域的交界处两侧包括相邻的两个所述第二子像素和相邻的两个所述第三子像素。
在一实施例中，所述第一子像素、所述第二子像素和所述第三子像素的形状为扇形、矩形或者三角形。
在一实施例中，所述每一个单位区域的每一条边上均包括所述第二子像素和所述第三子像素。
在一实施例中，所述每一个子单位区域还包括：
第四子像素，所述第四子像素位于对应的子单位区域的第三边缘区，所述第三边缘区靠近所述第一边和所述第二边的交点。
在一实施例中，所述多个单位区域中围绕其中一个单位区域的其中一个顶点设置的多个单位区域中，相邻的两个单位区域的交界处两侧包括相邻的两个所述第四子像素。
在一实施例中，所述多个单位区域中每一个单位区域的外轮廓呈正三边形、正四边形或者正六边形。
在一实施例中，所述第一子像素的面积大于所述第二子像素面积，并且所述第一子像素的面积大于所述第三子像素面积，其中所述第一子像素为蓝色，所述第二子像素为绿色，所述第三子像素为红色。
在一实施例中，所述显示面板还包括像素定义层，所述像素定义层设于所述基板上，所述像素定义层位于所述第一子像素、所述第二子像素和所述第三子像素三者中任意相邻的两者之间，所述像素定义层用于阻隔所述第一子像素、所述第二子像素和所述第三子像素三者中任意相邻的两者。
在一实施例中，所述像素定义层包括：
多个第一像素定义部，所述多个第一像素定义部位于所述第一子像素、所述第二子像素和所述第三子像素三者中任意相邻的两者之间，所述多个第一像素定义部的组成材料为具有疏水性的有机树脂材料。
在一实施例中，所述像素定义层还位于相邻的两个第一子像素之间、相邻的两个第二子像素之间以及相邻的两个所述第三子像素之间，所述像素定义层用于阻隔相邻的两个所述第一子像素、相邻的两个所述第二子像素以及相邻的两个所述第三子像素。
在一实施例中，所述像素定义层包括：
多个第二像素定义部，所述多个第二像素定义部位于相邻的两个第一子像素之间、相邻的两个第二子像素之间以及相邻的两个所述第三子像素之间，所述第二像素定义部的组成材料为绝缘材料。
本发明实施例还提供掩膜板组，用于制备如上文任一所述的显示面板，所述掩膜板组包括：
第一掩膜板，所述第一掩膜板用于制备所述第一子像素，所述第一掩膜板包括多个第一开口，所述多个第一开口中每一个第一开口与位于同一个单位区域中的多个所述第一子像素相对设置；
第二掩膜板，所述第二掩膜板用于制备所述第二子像素，所述第二掩膜板包括多个第二开口，所述多个第二开口中每一个第二开口与位于相邻的两个单位区域的交界处两侧的相邻的两个所述第二子像素相对设置；
第三掩膜板，所述第三掩膜板用于制备所述第三子像素，所述第三掩膜板包括多个第三开口，所述多个第三开口中每一个第三开口与位于相邻的两个单位区域的交界处两侧的相邻的两个所述第三子像素相对设置。
本发明实施例还提供显示装置，所述显示装置包括如上文任一所述的显示面板。
 有益效果
本申请提供了显示面板、掩膜板组以及显示装置，像素层中包括多个呈正多边形的单位区域，每一个单位区域包括多个子单位区域，通过单位区域的中心分别和相邻的两条边的中点的连线、以及所述相邻的两条边共同限定一对应的子单位区域，每一个子单位区域包括远离对应的单位区域的中心的第一边和第二边，每一个子单位区域包括位于对应的单位区域的中心区域的第一子像素、位于对应的子单位区域中靠近第一边的第二子像素、以及位于对应的子单位区域中靠近第二边的第三子像素，且相邻的两个单位区域的交界处两侧包括相邻的两个第二子像素和相邻的两个第三子像素。这样，位于每一个单位区域中的中心区域的多个第一子像素中，每一个第一子像素可以作为对应的子单位区域中的第一子像素，位于相邻的两个单位区域的交界处两侧的相邻的两个第二子像素、相邻的两个第三子像素中，位于交界处相同侧的一个第二子像素和一个第三子像素可以作为其中一个单位区域中的第二子像素和第三子像素，故本发明中的子像素不受限于FMM的最小开口的限制以及蒸镀工艺最小精度的限制，提高了显示面板的分别率。
 附图说明
下面通过附图来对本发明进行进一步说明。需要说明的是，下面描述中的附图仅仅是用于解释说明本发明的一些实施例，对于本领域技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本申请实施例提供的一种显示面板的截面示意图。
图2为本申请实施例提供的一种显示面板的像素层的俯视示意图。
图3为本申请实施例提供的另一种显示面板的像素层的俯视示意图。
图4为本申请实施例提供的又一种显示面板的像素层的俯视示意图。
图5为本申请实施例提供的另一种显示面板的截面示意图。
图6为本申请实施例提供的又一种显示面板的截面示意图。
图7为本申请实施例提供的一种掩模板的俯视示意图。
图8为本申请实施例提供的另一种掩模板的俯视示意图。
图9为本申请实施例提供的又一种掩模板的俯视示意图。
 本发明的实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整的描述。显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
在本申请的描述中，需要理解的是，术语“上”、“下”、“纵向”、“周围”等指示的方位或位置关系为基于附图所示的方位或位置关系，例如其中，“上”只是表面在物体上方，具体指代正上方、斜上方、上表面都可以，只要居于物体水平之上即可，以上方位或位置关系仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。此外，术语“第一”、“第二”等仅用于描述目的，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所述特征。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。
在图中，结构相似的单元是以相同标号表示。在本文中提及“实施例”意味着，结合实施例描述的特定特征、结构或特性可以包含在本申请的至少一个实施例中。
另外，还需要说明的是，附图提供的仅仅是和本发明关系比较密切的结构，省略了一些与发明关系不大的细节，目的在于简化附图，使发明点一目了然，而不是表明实际中装置就是和附图一模一样，不作为实际中装置的限制。
本申请提供显示面板，所述显示面板包括但不限于以下实施例以及以下实施例之间的组合。
在一实施例中，如图1-4所示，所述显示面板00包括基板10和设于所述基板10上的像素层20。具体的，所述像素层20包括多个单位区域201，所述多个单位区域201中每一个单位区域201的外轮廓呈正多边形，所述每一个单位区域201包括：多个子单位区域202，所述多个子单位区域202中每一个子单位区域202由对应的单位区域201的中心分别和相邻的两条边的中点的连线、以及所述相邻的两条边共同限定，所述每一个子单位区域202包括第一边203和第二边204，所述第一边203和所述第二边204均远离对应的单位区域的中心。所述每一个子单位区域202包括：第一子像素2021，所述第一子像素2021位于对应的单位区域201的中心区域；第二子像素2022，所述第二子像素2022位于对应的子单位区域202的第一边缘区，所述第一边缘区靠近所述第一边203；第三子像素2023，所述第三子像素2023位于对应的子单位区域202的第二边缘区，所述第二边缘区靠近所述第二边204。其中，所述多个单位区域201中相邻的两个单位区域201的交界处01两侧包括相邻的两个所述第二子像素2022和相邻的两个所述第三子像素2023。
可以理解的，由于每一个单位区域201的外轮廓呈正多边形，且每一个单位区域201中的多个子单位区域202围绕单位区域201的中心设置，并且所述多个子单位区域202中的所述第一子像素2021、所述第二子像素2022和所述第三子像素2023的设置方式均相同，可以提高像素层中子像素排布的均匀性和对称性，有利于所述显示面板00的显示画面的均一性。
其中，所述第一子像素2021、所述第二子像素2022和所述第三子像素2023的具体形状不做限定，例如可以为扇形、矩形、三角形或者其他形状。
具体的，由于所述每一个单位区域201中的多个第一子像素2021均位于所述单位区域201的中心，且根据每一个单位区域201中所述多个子单位区域202的限定方式可知，所述第一子像素2021中的两条边分别位于对应的单位区域201的中点和相邻的两条边的中点的连线上，所述第一子像素2021的其他边缘还可以包括曲线、直线中的至少一种。此处以所述第一子像素2021另一条边为弧线为例，进一步的，所述第一子像素2021中分别位于对应的单位区域201的中点和相邻的两条边的中点的连线上的两条边的长度可以相等，即所述第一子像素2021的外轮廓呈扇形，所述扇形对应的圆心角等于对应的子单位区域202靠近对应的单位区域201的中心的的角；再进一步的，所述多个子单位区域202靠近对应的单位区域201的中心的的角的度数可以被π整除，这样位于每一个单位区域201的周围可以设置整数个第一子像素2021，且所述整数个第一子像素2021中相邻的两个第一子像素2021具有公共边，也即每一个单位区域201中的多个第一子像素2021整体的外轮廓呈圆形，有利于所述显示面板00的显示画面的均一性。
具体的，由于所述第二子像素2022位于对应的子单位区域202靠近所述第一边203的第一边缘区，且相邻的两个单位区域201的交界处01两侧包括相邻的两个所述第二子像素2022，即相邻的两个单位区域201的交界处01两侧相邻的两个第二子像素2022可以关于所述交界处01对称。进一步的，所述第二子像素2022的其中一条边可以位于所述第一边203上，例如当所述第二子像素2022的外轮廓呈半圆形时，相邻的两个单位区域201的交界处01两侧相邻的两个第二子像素2022整体的外轮廓呈圆形。同理，所述第三子像素2023的形状可以参考上文关于第二子像素2022的形状的相关描述。进一步的，每一个子单位区域202中的所述第二子像素2022和所述第三子像素2023可以关于对应的单位区域201的中心和相对的顶角的连线对称，进一步提高所述显示面板00的显示画面的均一性。
在一实施例中，如图2-4所示，所述每一个单位区域201的每一条边上均包括所述第二子像素2022和所述第三子像素2023。可以理解的，所述每一个单位区域201的每一条边上可以包括所述第二子像素2022和所述第三子像素2023两种子像素，即所述每一个单位区域201的每一条边上的子像素种类较丰富，例如所述每一个单位区域201的每一条边上所述第二子像素2022和所述第三子像素2023可以和位于所述单位区域201中心的第一子像素2021共同形成一个用于画面显示的最小显示单元。进一步的，当每一个单位区域201的所述第一边203和所述第二边204上均包括至少一个所述第二子像素2022和至少一个所述第三子像素2023时，那么多个第二子像素2022和多个所述第三子像素2023可以在对应的单位区域201的多条边上交替排布，避免同一种子像素堆积造成分辨率的损失。
在一实施例中，如图2-4所示，所述每一个子单位区域202还包括第四子像素2024，所述第四子像素2024位于对应的子单位区域202的第三边缘区，所述第三边缘区靠近所述第一边203和所述第二边204的交点。当然，也可以理解为所述每一个单位区域201中的多个所述第四子像素2024位于靠近所述单位区域201中顶角处的区域，即所述第四子像素2024的其中两条边分别位于对应的子单位区域202中的所述第一边203、所述第二边204上。所述第四子像素2024的其他边缘还可以包括曲线、直线中的至少一种。此处以所述第四子像素2024另一条边为弧线为例，进一步的，所述第四子像素2024中分别位于对应的单位区域201中的所述第一边203、所述第二边204的两条边的长度可以相等，即所述第四子像素2024的外轮廓呈扇形，所述扇形对应的圆心角等于对应的单位区域201的顶角。
在一实施例中，如图2-4所示，所述多个单位区域201中围绕其中一个单位区域201的其中一个顶点设置的多个单位区域201中，相邻的两个单位区域201的交界处两侧包括相邻的两个所述第四子像素2024。可以理解的，根据所述多个单位区域201的具体形状和排布方式，可以合理设置每一个单位区域201中的多个所述第四子像素2024。例如，为了充分利用所述像素层20的空间，所述多个单位区域201可以互补设置，其中一个单位区域201的其中一个顶点可以完全被多个单位区域201包围，即所述单位区域201的顶角度数可以被π整除，这样位于其中一个单位区域201的其中一个顶点的周围可以设置整数个第四子像素2024，且所述整数个第四子像素2024中相邻的两个第四子像素2024具有公共边，也即位于其中一个单位区域201的其中一个顶点的周围的所述整数个第四子像素2024整体的外轮廓呈圆形，有利于所述显示面板00的显示画面的均一性。
在一实施例中，所述第一子像素2021的面积大于所述第二子像素2022的面积，并且所述第一子像素2021的面积大于所述第三子像素2023的面积，其中所述第一子像素2021为蓝色，所述第二子像素2022为绿色，所述第三子像素2023为红色。其中，所述第二子像素2022的面积和所述第三子像素2023的面积可以相等或者不相等。进一步的，当所述每一个子单位区域202还包括第四子像素2024时，所述第四子像素2024的面积可以小于所述第二子像素2022的面积和所述第三子像素2023的面积中较小者，所述第四子像素2024可以为白色。
其中，所述例如红色、绿色、蓝色、白色等颜色是指对应的第三子像素2023、第二子像素2022、第一子像素2021、第四子像素2024等子像素在一定条件下本身能够呈现的颜色，例如针对OLED显示面板而言，上述子像素具有类似于有机电致发光二极管的结构和功能，上述颜色指的上述子像素在工作电压的状态下能发出的相应的颜色。可以理解的，可以根据不同颜色的所述子像素的发光效率和使用寿命，以设置合适大小的所述子像素，所述子像素的大小可以和所述子像素的发光效率和使用寿命呈负相关，例如，蓝色的所述第一子像素2021的发光效率和使用寿命远小于绿色的所述第二子像素2022和红色的所述第三子像素2023，故所述第一子像素2021的面积可以大于所述第二子像素2022的面积、并且大于所述第三子像素2023的面积。
另一方面，由于每一个单位区域201中的均呈蓝色多个第一子像素2021设置在所述单位区域201的中心区域，每一个单位区域201中的多个第一子像素2021可以通过同一个开口、且同时制备；由于相邻的两个单位区域201的交界处01两侧设有相邻的两个均呈绿色的第二子像素2022和相邻的两个均呈红色的第三子像素2023，相邻的两个单位区域201的交界处01两侧的相邻的两个均呈绿色的第二子像素2022也可以通过同一个开口、且同时制备，相邻的两个单位区域201的交界处01两侧的相邻的两个均呈红色的第三子像素2023也可以通过同一个开口、且同时制备。需要注意的是，由于每一个子单位区域202中包括至少三种颜色的子像素，即每一个子单位区域202已经能够作为最小显示单元实现全彩图像的正常显示，即通过同一个开口、且同时制备的多个第一子像素2021可以分别作为对应的多个子单位区域202中的蓝色的子像素；同理，通过同一个开口、且同时制备的两个第二子像素2022可以分别作为对应的两个子单位区域202中的绿色的子像素；同理，通过同一个开口、且同时制备的两个第三子像素2023可以分别作为对应的两个子单位区域202中的红色的子像素；进一步的，当每一个子单位区域202中还包括所述第四像素时，通过同一个开口、且同时制备的多个第四子像素2021可以分别作为对应的多个子单位区域202中的白色的子像素。因此，本实施例可以通过同一个开口同时制作用于多个单位区域202中对应的同一颜色的多个子像素，提高了显示面板00的分辨率。
在一实施例中，如图2-4所示，所述多个单位区域201中每一个单位区域201的外轮廓呈正三边形、正四边形或者正六边形。
具体的，如图2所示，所述多个单位区域201中每一个单位区域201的外轮廓呈正三边形，位于同一排的多个呈正三边形的单位区域201的按照其顶角朝上、朝下的方向依次交替排列，且相邻两排的多个单位区域201关于所述相邻两排的交界线对称，即位于其中一个单位区域201中的其中一个顶点的周围可以设置六个所述单位区域201，六个所述单位区域201靠近所述顶点的角为60°。进一步的，将呈正三边形的单位区域201的三边的中点分别和单位区域201的中点连接，可以限定出三个子单位区域202，且所述三个子单位区域202靠近对应的单位区域201的中心的角为120°、远离对应的单位区域201的中心的角为60°。
例如，位于对应的单位区域201的中心区域的三个第一子像素2021可以呈圆心角为120°的扇形，即通过同一个开口、且同时制备的三个第一子像素2021可以分别作为包含于同一个单位区域201中三个子单位区域202中的蓝色的子像素。又例如，位于对应的单位区域201的三条边中任一条边两侧的相邻的两个第二子像素2022以及相邻的两个第三子像素2023可以呈半圆形，即通过同一个开口、且同时制备的两个第二子像素2022或者两个第三子像素2023可以作为包含于两个不同单位区域201中的两个子单位区域202中的绿色的子像素或者红色的子像素。再例如，分别位于对应的单位区域201的三个顶角处的三个第四子像素2024可以呈圆心角为60°的扇形，即通过同一个开口、且同时制备的三个第四子像素2024可以分别作为包含于三个不同单位区域201中的三个子单位区域202中的白色的子像素。
具体的，如图3所示，所述多个单位区域201中每一个单位区域201的外轮廓呈正四边形，所述多个单位区域201呈矩阵排列，且相邻两排的多个单位区域201关于所述相邻两排的交界线对称，相邻两列的多个单位区域201关于所述相邻两列的交界线对称，即位于其中一个单位区域201中的其中一个顶点的周围可以设置四个所述单位区域201，四个所述单位区域201靠近所述顶点的角为90°。进一步的，将呈正四边形的单位区域201的四边的中点分别和单位区域201的中点连接，可以限定出四个子单位区域202，且所述四个子单位区域202靠近对应的单位区域201的中心的角为90°、远离对应的单位区域201的中心的角为90°。
例如，位于对应的单位区域201的中心区域的四个第一子像素2021可以呈圆心角为90°的扇形，即通过同一个开口、且同时制备的四个第一子像素2021可以分别作为包含于同一个单位区域201中四个子单位区域202中的蓝色的子像素。又例如，位于对应的单位区域201的四条边中任一条边两侧的相邻的两个第二子像素2022以及相邻的两个第三子像素2023可以呈半圆形，具体可以参考图2中关于此处的相关描述。再例如，分别位于对应的单位区域201的四个顶角处的四个第四子像素2024可以呈圆心角为90°的扇形，即通过同一个开口、且同时制备的四个第四子像素2024可以分别作为包含于四个不同单位区域201中的四个子单位区域202中的白色的子像素。
具体的，如图4所示，所述多个单位区域201中每一个单位区域201的外轮廓呈正六边形，所述多个单位区域201中相邻两列的多个单位区域201在纵向上间隔半个所述单位区域201，即位于其中一个单位区域201中的其中一个顶点的周围可以设置三个所述单位区域201，三个所述单位区域201靠近所述顶点的角为120°。进一步的，将呈正六边形的单位区域201的六边的中点分别和单位区域201的中点连接，可以限定出六个子单位区域202，且所述六个子单位区域202靠近对应的单位区域201的中心的角为60°、远离对应的单位区域201的中心的角为120°。
例如，位于对应的单位区域201的中心区域的六个第一子像素2021可以呈圆心角为60°的扇形，即通过同一个开口、且同时制备的六个第一子像素2021可以分别作为包含于同一个单位区域201中六个子单位区域202中的蓝色的子像素。又例如，位于对应的单位区域201的六条边中任一条边两侧的相邻的两个第二子像素2022以及相邻的两个第三子像素2023可以呈半圆形，具体可以参考图2中关于此处的相关描述，需要注意的是，由于位于其中一个单位区域201中的其中一个顶点的周围设置了三个所述单位区域201，即位于所述顶点处的周围会不可避免地设置相邻的两个所述第二子像素2022或者相邻的两个所述第三子像素2023，造成对应的单位区域201中相邻的两条边上分别靠近中间的顶角的两个区域均设置了所述第二子像素2022或者所述第三子像素2023，这种情况是允许的。再例如，分别位于对应的单位区域201的六个顶角处的六个第四子像素2024可以呈圆心角为120°的扇形，即通过同一个开口、且同时制备的六个第四子像素2024可以分别作为包含于三个不同单位区域201中的三个子单位区域202中的白色的子像素。
在一实施例中，如图5所示，图5可以理解为图2中沿直线02方向的纵切面示意图，所述显示面板还包括像素定义层30，所述像素定义层30设于所述基板10上，所述像素定义层30位于所述第一子像素2021、所述第二子像素2022和所述第三子像素2023三者中任意相邻的两者之间，所述像素定义层30用于阻隔所述第一子像素2021、所述第二子像素2022和所述第三子像素2023三者中任意相邻的两者。具体的，所述像素定义层30包括多个第一像素定义部301，所述多个第一像素定义部301位于所述第一子像素2021、所述第二子像素2022和所述第三子像素2023三者中任意相邻的两者之间。进一步的，由于所述多个不同颜色的子像素的组成材料一般为亲水性材料，故所述多个第一像素定义部301可以采用具有疏水性的有机树脂材料制备，防止不同颜色的子像素之间混色。
在一实施例中，如图6所示，图6可以理解为图2中沿直线02方向的纵切面示意图，所述像素定义层30还位于相邻的两个第一子像素2021之间、相邻的两个第二子像素2022之间以及相邻的两个所述第三子像素2023之间，所述像素定义层用于阻隔相邻的两个所述第一子像素2021、相邻的两个所述第二子像素2022以及相邻的两个所述第三子像素2023。具体的，所述像素定义层30包括多个第二像素定义部302，所述多个第二像素定义部302位于相邻的两个第一子像素2021之间、相邻的两个第二子像素2022之间以及相邻的两个所述第三子像素2023之间。进一步的，由于在所述像素层20和所述基板10之间的阳极层可以导电，为了避免相邻的两个第一子像素2021之间的电压、相邻的两个第二子像素2022之间的电压以及相邻的两个所述第三子像素2023之间的电压相互干扰，所述第二像素定义部302的组成材料可以为绝缘材料。
需要注意的是，为了保证通过同一个开口、并且同时制备的多个子像素的完整度以及整体的面积，可以使得所述第二像素定义部302上表面不高于对应的多个子像素的的上表面，以使得通过同一个开口、并且同时制备的多个子像素的之间相互接触设置；进一步的，所述第二像素定义部302组成材料还可以具备亲水性，以使得通过同一个开口、并且同时制备的多个子像素之间可以更加连贯。
本发明提供了掩膜板组，所述掩膜板组用于制备如上文任一所述的显示面板00，所述掩膜板组包括但不限于以下实施例以及以下实施例之间的组合。
在一实施例中，此处以所述掩膜板组用于制备如上文如图3所示的显示面板00为例进行说明，如图7-9所示，所述掩膜板组包括：第一掩膜板100，所述第一掩膜板100用于制备所述第一子像素2021，如图7所示，所述第一掩膜板100包括多个第一开口110，所述多个第一开口110中每一个第一开口110与位于同一个单位区域201中的多个所述第一子像素2021相对设置；第二掩膜板200，所述第二掩膜板200用于制备所述第二子像素2022，如图8所示，所述第二掩膜板200包括多个第二开口210，所述第二开口210与位于相邻的两个单位区域201的交界处01两侧的相邻的两个所述第二子像素2022相对设置；第三掩膜板300，所述第三掩膜板300用于制备所述第三子像素2023，如图9所示，所述第三掩膜板300包括多个第三开口310，所述第三开口310与位于相邻的两个单位区域201的交界处01两侧的相邻的两个所述第三子像2023素相对设置。
其中，以所述第一掩膜板100为例进行说明，所述第一掩膜板100中每一个第一开口110的位置、形状、尺寸均和对应的多个所述第一子像素2021的位置、形状、尺寸一致，即通过所述第一掩膜板100可以同时制备所述像素层20中的全部所述第一子像素2021，且通过同一所述第一开口110、且同时制备的多个所述第一子像素2021可以分别作为对应的多个子单位区域202中的蓝色的子像素。同理，通过同一所述第二开口210、且同时制备的多个所述第二子像素2022可以分别作为对应的两个子单位区域202中的绿色的子像素，以及通过同一所述第三开口310、且同时制备的两个第三子像素2023可以分别作为对应的两个子单位区域202中的红色的子像素。
在一实施例中，所述多个第一开口110、所述多个第二开口210和所述多个第三开口310可以集成于一个掩模板上，即通过一个掩模板就可以分时或者制备所述多个第一子像素2021、所述多个第二子像素2022以及所述多个第三子像素2023。
可以理解的，所述掩膜板组中的掩膜板一般为FMM，FMM的最小开口的尺寸和数量限定了对应的子像素的尺寸和数量，但是，本实施例中的所述掩膜板组中的任一开口可以一次性同时制备对应的多个子像素，且一次性同时制备的对应的多个子像素可以分别包含于对应的多个不同的最小显示单元，即本实施例中多个相邻的、同种颜色的子像素可以通过所述掩膜板组中的同一开口制备，故本实施例在制备所述像素层20时受开口限制较小，可以在现有的FMM的最小开口的尺寸和数量的限定下，提高显示面板00的分辨率。
本发明提供了显示装置，所述显示装置包括但不限于如上文任一所述的显示面板00。
本申请提供了显示面板、掩膜板组以及显示装置，像素层中包括多个呈正多边形的单位区域，每一个单位区域包括多个子单位区域，通过单位区域的中心分别和相邻的两条边的中点的连线、以及所述相邻的两条边共同限定一对应的子单位区域，每一个子单位区域包括远离对应的单位区域的中心的第一边和第二边，每一个子单位区域包括位于对应的单位区域的中心区域的第一子像素、位于对应的子单位区域中靠近第一边的第二子像素、以及位于对应的子单位区域中靠近第二边的第三子像素，且相邻的两个单位区域的交界处两侧包括相邻的两个第二子像素和相邻的两个第三子像素。这样，位于每一个单位区域中的中心区域的多个第一子像素中，每一个第一子像素可以作为对应的子单位区域中的第一子像素，位于相邻的两个单位区域的交界处两侧的相邻的两个第二子像素、相邻的两个第三子像素中，位于交界处相同侧的一个第二子像素和一个第三子像素可以作为其中一个单位区域中的第二子像素和第三子像素，故本发明中的子像素不受限于FMM的最小开口的限制以及蒸镀工艺最小精度的限制，提高了显示面板的分别率。
以上对本发明实施例所提供的显示面板、掩膜板组以及显示装置进行了详细介绍，本文中应用了具体个例对本发明的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本发明的技术方案及其核心思想；本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例的技术方案的范围。

Claims (13)

  1. 一种显示面板，其中，所述显示面板包括基板和设于所述基板上的像素层，所述像素层包括多个单位区域，所述多个单位区域中每一个单位区域的外轮廓呈正多边形，所述每一个单位区域包括：
    多个子单位区域，所述多个子单位区域中每一个子单位区域由对应的单位区域的中心分别和相邻的两条边的中点的连线、以及所述相邻的两条边共同限定，所述每一个子单位区域包括第一边和第二边，所述第一边和所述第二边均远离对应的单位区域的中心，所述每一个子单位区域包括：
    第一子像素，所述第一子像素位于对应的单位区域的中心区域；
    第二子像素，所述第二子像素位于对应的子单位区域的第一边缘区，所述第一边缘区靠近所述第一边；
    第三子像素，所述第三子像素位于对应的子单位区域的第二边缘区，所述第二边缘区靠近所述第二边；
    其中，所述多个单位区域中相邻的两个单位区域的交界处两侧包括相邻的两个所述第二子像素和相邻的两个所述第三子像素。
  2. 如权利要求1所述的显示面板，其中，所述第一子像素、所述第二子像素和所述第三子像素的形状为扇形、矩形或者三角形。
  3. 如权利要求1所述的显示面板，其中，所述每一个单位区域的每一条边上均包括所述第二子像素和所述第三子像素。
  4. 如权利要求1所述的显示面板，其中，所述每一个子单位区域还包括：
    第四子像素，所述第四子像素位于对应的子单位区域的第三边缘区，所述第三边缘区靠近所述第一边和所述第二边的交点。
  5. 如权利要求4所述的显示面板，其中，所述多个单位区域中围绕其中一个单位区域的其中一个顶点设置的多个单位区域中，相邻的两个单位区域的交界处两侧包括相邻的两个所述第四子像素。
  6. 如权利要求1所述的显示面板，其中，所述多个单位区域中每一个单位区域的外轮廓呈正三边形、正四边形或者正六边形。
  7. 如权利要求1所述的显示面板，其中，所述第一子像素的面积大于所述第二子像素面积，并且所述第一子像素的面积大于所述第三子像素面积，其中所述第一子像素为蓝色，所述第二子像素为绿色，所述第三子像素为红色。
  8. 如权利要求1所述的显示面板，其中，所述显示面板还包括像素定义层，所述像素定义层设于所述基板上，所述像素定义层位于所述第一子像素、所述第二子像素和所述第三子像素三者中任意相邻的两者之间，所述像素定义层用于阻隔所述第一子像素、所述第二子像素和所述第三子像素三者中任意相邻的两者。
  9. 如权利要求8所述的显示面板，其中，所述像素定义层包括：
    多个第一像素定义部，所述多个第一像素定义部位于所述第一子像素、所述第二子像素和所述第三子像素三者中任意相邻的两者之间，所述多个第一像素定义部的组成材料为具有疏水性的有机树脂材料。
  10. 如权利要求8所述的显示面板，其中，所述像素定义层还位于相邻的两个第一子像素之间、相邻的两个第二子像素之间以及相邻的两个所述第三子像素之间，所述像素定义层用于阻隔相邻的两个所述第一子像素、相邻的两个所述第二子像素以及相邻的两个所述第三子像素。
  11. 如权利要求10所述的显示面板，其中，所述像素定义层包括：
    多个第二像素定义部，所述多个第二像素定义部位于相邻的两个第一子像素之间、相邻的两个第二子像素之间以及相邻的两个所述第三子像素之间，所述第二像素定义部的组成材料为绝缘材料。
  12. 一种掩膜板组，用于制备如权利要求1所述的显示面板，其中，所述掩膜板组包括：
    第一掩膜板，所述第一掩膜板用于制备所述第一子像素，所述第一掩膜板包括多个第一开口，所述多个第一开口中每一个第一开口与位于同一个单位区域中的多个所述第一子像素相对设置；
    第二掩膜板，所述第二掩膜板用于制备所述第二子像素，所述第二掩膜板包括多个第二开口，所述多个第二开口中每一个第二开口与位于相邻的两个单位区域的交界处两侧的相邻的两个所述第二子像素相对设置；
    第三掩膜板，所述第三掩膜板用于制备所述第三子像素，所述第三掩膜板包括多个第三开口，所述多个第三开口中每一个第三开口与位于相邻的两个单位区域的交界处两侧的相邻的两个所述第三子像素相对设置。
  13. 一种显示装置，其中，所述显示装置包括如权利要求1所述的显示面板。
PCT/CN2020/126643 2020-07-16 2020-11-05 显示面板、掩膜板组以及显示装置 WO2022011895A1 (zh)

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