WO2022160400A1 - 显示面板及显示装置 - Google Patents

显示面板及显示装置 Download PDF

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Publication number
WO2022160400A1
WO2022160400A1 PCT/CN2021/078067 CN2021078067W WO2022160400A1 WO 2022160400 A1 WO2022160400 A1 WO 2022160400A1 CN 2021078067 W CN2021078067 W CN 2021078067W WO 2022160400 A1 WO2022160400 A1 WO 2022160400A1
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WO
WIPO (PCT)
Prior art keywords
pixel unit
width
pixel
light
display area
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PCT/CN2021/078067
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English (en)
French (fr)
Inventor
刘威
杨林
孙业熙
Original Assignee
武汉华星光电半导体显示技术有限公司
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Application filed by 武汉华星光电半导体显示技术有限公司 filed Critical 武汉华星光电半导体显示技术有限公司
Priority to US17/288,964 priority Critical patent/US20230157116A1/en
Publication of WO2022160400A1 publication Critical patent/WO2022160400A1/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
    • 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
    • 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
    • H10K59/40—OLEDs integrated with touch screens
    • 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
    • H10K50/80—Constructional details
    • H10K50/805—Electrodes
    • H10K50/81—Anodes
    • H10K50/813—Anodes characterised by their shape
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/122—Pixel-defining structures or layers, e.g. banks
    • 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
    • H10K59/351—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels comprising more than three subpixels, e.g. red-green-blue-white [RGBW]
    • 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
    • H10K59/80—Constructional details
    • H10K59/805—Electrodes
    • H10K59/8051—Anodes
    • H10K59/80515—Anodes characterised by their shape
    • 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
    • H10K59/60—OLEDs integrated with inorganic light-sensitive elements, e.g. with inorganic solar cells or inorganic photodiodes
    • H10K59/65—OLEDs integrated with inorganic image sensors

Definitions

  • the present application relates to display technology, and in particular, to a display panel and a display device.
  • the camera under the screen (Camera Under Panel, CUP) technology has gradually become a development trend because it brings better visual enjoyment and interference-free all-round display.
  • the current CUP display device refers to a display device that can display the position of the camera.
  • the camera area By improving the light transmittance of the display panel in the display area corresponding to the camera (referred to as the camera area), it can display the screen content normally when not taking pictures; When the light transmittance is good, it can meet the lighting requirements of the camera.
  • the prior art adopts the method of differential design of the display panel area corresponding to the camera area to improve the light transmittance of the camera area, such as thinning or removing the shading metal corresponding to the camera area, This will lead to a difference between the camera area and the normal display area of the display panel, and the shading metal will block the light emission of the pixel. Especially in the case of a large viewing angle, this display difference will become more and more obvious. In order to improve the display under such a large viewing angle difference, an effective solution needs to be proposed.
  • Embodiments of the present application provide a display panel and a display device thereof, which can reduce the display difference between a camera area and a conventional display area in the prior art, improve the overall display uniformity of the display panel and the display device, and improve user experience.
  • Embodiments of the present application provide a display panel, including:
  • a plurality of pixel units are arranged on the array substrate, and each pixel unit includes: an anode, a light-emitting part and a cathode arranged in sequence;
  • an encapsulation layer disposed on the plurality of pixel units
  • a touch layer disposed on the encapsulation layer
  • the display panel includes a first display area and a second display area adjacent to the first display area, and the light transmittance of the touch layer in the first display area is smaller than that in the touch layer. the transmittance of the second display area;
  • the plurality of pixel units include a first pixel unit and a second pixel unit, and the minimum distance between the edge of the anode of at least one of the second pixel units and the edge of the corresponding light-emitting part is greater than the The minimum distance between the edge of the anode of the first pixel unit and the edge of its corresponding light-emitting part.
  • the anode of each pixel unit includes a first portion overlapping with the light-emitting portion and a second portion disposed on the periphery of the first portion, and the minimum value of the second portion corresponding to each first pixel unit is The width is the first width, the minimum width of the second portion corresponding to each second pixel unit is the second width, and the second width of at least one of the second pixel units is greater than all the first widths.
  • the second widths of all the second pixel units are greater than all the first widths, or,
  • the second width of at least one of the second pixel units is greater than all of the first widths, and the second widths of the other second pixel units are equal to the largest first width.
  • the second portion of the first pixel unit forms a first annular portion, and the difference between the maximum width of the first annular portion and its minimum width is a; the second portion of the second pixel forms a second annular portion.
  • the difference between the maximum width and the minimum width of the second annular portion is b; wherein, 0 ⁇ m ⁇ a ⁇ 0.1 ⁇ m; b ⁇ 0 ⁇ m.
  • the figures enclosed by the edges of the light-emitting parts of the second pixel units are the same or different.
  • the first pixel unit and the second pixel unit emit light of different colors, and the area of the light-emitting portion of the first pixel unit is larger than the area of the light-emitting portion of the second pixel unit.
  • the ratio of the area of the second portion of the anode to the total area of the anode is greater than or equal to 47.16%.
  • the first width of each of the first pixel units is the same, the second width of each of the second pixel units is the same, and the difference between the second width and the first width is greater than or equal to 0.1 ⁇ m.
  • the first pixel unit includes a red pixel unit and/or a blue pixel unit
  • the second pixel unit includes a green pixel unit.
  • the plurality of pixel units include a third pixel unit that emits light of the same color as the first pixel unit and a fourth pixel unit that emits light of the same color as the second pixel unit, wherein,
  • the minimum width of the second part of the third pixel unit is the third width
  • the minimum width of the second part of the fourth pixel unit is the fourth width
  • the first width, the third width, the fourth width is all smaller than the second width.
  • the shapes enclosed by the edges of the light-emitting parts of the fourth pixel unit are the same.
  • the third width is the same as the fourth width.
  • the touch layer is provided with an opening at a position corresponding to the second display area, and the density of the pixel units in the second display area is the same as the density of the pixel units in the first display area.
  • the area of the light-emitting portion of the third pixel unit is smaller than that of the first pixel unit, and the area of the light-emitting portion of the fourth pixel unit is smaller than the area of the light-emitting portion of the second pixel unit.
  • an embodiment of the present application further provides a display device, including: a camera and a display panel, the camera is disposed on one side of the display panel corresponding to the second display area, and the display panel includes:
  • a plurality of pixel units are arranged on the array substrate, and each pixel unit includes: an anode, a light-emitting part and a cathode arranged in sequence;
  • an encapsulation layer disposed on the plurality of pixel units
  • a touch layer disposed on the encapsulation layer
  • the display panel includes a first display area and a second display area adjacent to the first display area, and the light transmittance of the touch layer in the first display area is smaller than that in the first display area. the transmittance of the second display area;
  • the plurality of pixel units include a first pixel unit and a second pixel unit, and the minimum distance between the edge of the anode of at least one of the second pixel units and the edge of the corresponding light-emitting part is greater than the The minimum distance between the edge of the anode of the first pixel unit and the edge of its corresponding light-emitting part.
  • the anode of each pixel unit includes a first portion overlapping with the light-emitting portion and a second portion disposed on the periphery of the first portion, and the minimum value of the second portion corresponding to each first pixel unit is The width is the first width, the minimum width of the second portion corresponding to each second pixel unit is the second width, and the second width of at least one of the second pixel units is greater than all the first widths.
  • the second widths of all the second pixel units are greater than the first widths of all the first pixel units, or,
  • the second width of at least one of the second pixel units is greater than all of the first widths, and the second widths of the other second pixel units are equal to the largest first width.
  • the first pixel unit and the second pixel unit emit light of different colors, and the area of the light emitting part of the first pixel unit is larger than the area of the light emitting part of the second pixel unit.
  • the first pixel unit includes a red pixel unit and/or a blue pixel unit
  • the second pixel unit includes a green pixel unit.
  • the plurality of pixel units include a third pixel unit that emits light of the same color as the first pixel unit and a fourth pixel unit that emits light of the same color as the second pixel unit, wherein,
  • the minimum width of the second part of the third pixel unit is the third width
  • the minimum width of the second part of the fourth pixel unit is the fourth width
  • the first width, the third width, the fourth width is all smaller than the second width.
  • the minimum distance between the edge of the anode of at least one second pixel unit in the plurality of pixel units in the first display area and the edge of the corresponding light emitting part is greater than that of the first pixel unit.
  • the minimum distance between the edge of the anode and the edge of the corresponding light-emitting part increases the light output in the large viewing angle of the first display area, improves the consistency of the display effect of the first display area and the second display area, and improves the display panel size.
  • the display effect under the viewing angle avoids the problem that the brightness difference of the display panel under the large viewing angle reduces the user experience.
  • FIG. 1 is a top view of a display panel provided in Embodiment 1 of the present application.
  • FIG. 2 is a front view of the display panel provided in Embodiment 1 of the present application.
  • FIG. 3 is a schematic structural diagram of an anode and a light-emitting portion of a pixel unit in a first display area provided in Embodiment 1 of the present application;
  • FIG. 4 is a schematic structural diagram of a pixel unit provided in Embodiment 1 of the present application.
  • FIG. 5 is a schematic structural diagram of an anode and a light-emitting portion of a pixel unit in a second display area provided in Embodiment 1 of the present application;
  • FIG. 6 is a schematic structural diagram of an anode and a light-emitting portion of a pixel unit in a first display area and a second display area provided in Embodiment 1 of the present application;
  • FIG. 7 is a schematic structural diagram of an anode and a light-emitting portion of a pixel unit in a first display area according to Embodiment 2 of the present application;
  • FIG. 8 is a schematic structural diagram of the anode and the light-emitting portion of the pixel unit in the first display area according to the third embodiment of the present application.
  • Embodiments of the present application provide a display panel and a display device. Each of them will be described in detail below. It should be noted that the description order of the following embodiments is not intended to limit the preferred order of the embodiments.
  • the present application provides a display panel and a display device, the display panel includes: an array substrate; a plurality of pixel units disposed on the array substrate, each of the pixel units including: an anode, a light-emitting portion and a cathode arranged in sequence; an encapsulation layer, disposed on the plurality of pixel units; a touch layer, disposed on the encapsulation layer; wherein, the display panel is provided with a first display area and a second display area adjacent to the first display area , the light transmittance of the touch layer in the first display area is smaller than its light transmittance in the second display area; in the first display area, a plurality of the pixel units include a first pixel unit and a second pixel unit , the minimum distance between the edge of the anode of at least one second pixel unit and the edge of its corresponding light-emitting part is greater than the minimum distance between the edge of the anode of the first pixel unit and the edge of its corresponding light-emit
  • the minimum distance between the edge of the anode of at least one second pixel unit in the plurality of pixel units in the first display area and the edge of the corresponding light-emitting part is larger than that of the first pixel.
  • the minimum distance between the edge of the anode of the unit and the edge of the corresponding light-emitting part increases at least part of the anode area of the second pixel unit, and this part of the enlarged anode area of the second pixel unit can be used to reflect the corresponding first pixel.
  • the light generated by the two pixel units increases the amount of light emitted in the first display area under a large viewing angle, improves the consistency of the display effects of the first display area and the second display area, improves the display effect of the display panel under a large viewing angle, and avoids the The brightness difference under the large viewing angle of the display panel reduces the user experience.
  • Embodiment 1 is a top view of a display panel provided by Embodiment 1 of the present application;
  • FIG. 2 is a front view of a display panel provided by Embodiment 1 of the present application;
  • FIG. 3 is an anode of a pixel unit in a first display area provided by Embodiment 1 of the present application Schematic diagram of the structure of the light-emitting part.
  • Embodiment 1 of the present application provides a display panel.
  • the type of the display panel is, for example, an OLED display panel.
  • the display panel includes: an array substrate 10 , a pixel layer 20 , and a package that are stacked in sequence.
  • the display panel is provided with a first display area 11 and a second display area 12 , and the first display area 11 is disposed adjacent to the second display area 12 .
  • the display panel is provided with a first display area 11 and a second display area 12 respectively, and the first display area 11 is arranged around the second display area 12 .
  • the second display area 12 may also be disposed on one or more sides of the first display area 11 , and the second display area 12 may be one or more.
  • the array substrate 10 includes, for example, an array substrate body and a pixel driving circuit disposed on the array substrate body.
  • the array substrate body can be a flexible substrate or a rigid substrate, and its material includes glass, plastic, silicon dioxide, polyethylene, polypropylene, One or more of polystyrene, polylactic acid, polyethylene terephthalate, polyimide or polyurethane.
  • the pixel layer 20 is disposed on the array substrate 10 and includes a multi-layer structure.
  • the pixel layer 20 includes, for example, an anode layer, an organic light-emitting layer and a cathode layer.
  • the anode layer in the pixel layer 20 is, for example, an opaque material, which can reflect the light emitted to the anode layer.
  • the anode layer is composed of three layers of transparent conductive layer, silver, and transparent conductive layer.
  • the transparent conductive layer is made of, for example, indium tin oxide (ITO) material
  • the anode layer includes a plurality of anodes that are patterned and arranged at intervals; for example, a pixel defining layer is also provided on the anode layer, and is corresponding to the anode layer.
  • the positions of the plurality of anodes are respectively provided with pixel-defining openings.
  • the organic light-emitting layer in the pixel layer 20 is disposed on the pixel-defining layer, and includes a plurality of patterned and spaced light-emitting parts, and the plurality of light-emitting parts are correspondingly disposed in the pixel-defining openings on the plurality of anodes.
  • the cathode layer is disposed on the organic light-emitting layer, and the cathode layer is, for example, a silver metal thin film, which has the optical effect of semi-transmission and semi-reflection.
  • the first display area 11 is provided with a plurality of pixel units 21, and the plurality of pixel units 21 in the first display area include a plurality of first pixel units 22 and a plurality of second pixel units 23, at least one second pixel
  • the minimum distance between the edge of the anode of the unit 23 and the edge of the corresponding light-emitting part is greater than the minimum distance between the edge of the anode of the first pixel unit and the edge of the corresponding light-emitting part.
  • At least part of the anode area of the second pixel unit is additionally enlarged, and the enlarged anode area of the second pixel unit can be used to reflect the light generated by the corresponding second pixel unit, so that the first display area has a large viewing angle
  • the amount of light emitted under the display increases, the brightness of the light is improved, and the output angle of the second pixel unit under the large viewing angle is increased, the consistency of the display effect of the first display area and the second display area is improved, and the display panel under the large viewing angle is improved.
  • the display effect avoids the problem that the brightness difference under the large viewing angle of the display panel reduces the user experience.
  • the encapsulation layer 30 is disposed on the pixel layer 20 to ensure the sealing effect of the pixel unit 21 in the pixel layer 20 so as to prevent the intrusion of water vapor and oxygen to cause corrosion of the pixel unit 21 .
  • the touch layer 40 is disposed on the encapsulation layer 30 , and the touch layer 40 is provided with an opening 41 at a position corresponding to the second display area 12 , that is, no touch electrodes are directly disposed in the second display area 12 .
  • the touch electrodes of the layer 40 may adopt a metal mesh (Metal Mesh) structure. Specifically, the touch layer 40 will not block the pixel units 21 on the first display area 11 when viewed from the front, but the metal mesh structure will reflect and block the light emitted by the pixel units 21 at a large viewing angle. This makes the light extraction rate of the second display area 12 higher than that of the first display area 11 under a large viewing angle.
  • the position of the touch layer 40 corresponding to the second display area 12 may also be other positions that can improve the light transmittance of the second display area 12 so that the touch layer 40 is in the first display area 11 and the second display area 12 have different light extraction rates.
  • the touch layer 40 uses transparent traces with higher light transmittance in the material corresponding to the second display area 12, which is not limited in this embodiment. .
  • FIG. 4 is a schematic structural diagram of a pixel unit provided in Embodiment 1 of the present application. 2, 3 and 4, the pixel layer 20 includes a plurality of pixel units 21, and the plurality of pixel units 21 are distributed in the first display area 11 and the second display area 12, and each pixel unit 21 includes : the anode 210 , the light-emitting portion 211 and the cathode 212 are stacked in sequence, the anode 210 of each pixel unit 21 includes a first portion overlapping with the light-emitting portion 211 and a second portion surrounding the periphery of the first portion, that is, the first portion
  • the area is equal to the projected area of the light-emitting portion 211 on the array substrate 10 (that is, the area corresponding to the projection of the dotted line portion on the array substrate 10 ).
  • the distance between the edges is W
  • the pixel unit 21 includes a first pixel unit 22 and a second pixel unit 23 located in the first display area, and the first pixel unit 22 and the second pixel unit 23 are each provided with a plurality of , the minimum width of the second portion 221 corresponding to each of the first pixel units 22 is the first width W1, the minimum width of the second portion 231 corresponding to each of the second pixel units 23 is the second width W2, and at least one of the The second width W2 of the second pixel unit 23 is greater than all the first widths W1.
  • the second width W2 of all the second pixel units 23 is greater than the first width W1 of all the first pixel units 22 , that is, the second width W2 of the second portion 231 of any second pixel unit 23 are larger than all of the first widths W1.
  • the second portion 221 of the first pixel unit 22 forms a first annular portion, and the difference between the maximum width of the first annular portion and the minimum width is a; the second portion of the second pixel forms a second annular portion.
  • the annular portion, the difference between the maximum width of the second annular portion and the minimum width is b; wherein, 0 ⁇ a ⁇ 0.1 ⁇ m; b ⁇ 0 ⁇ m, that is, the second part 221 of the first pixel unit 22 is a fixed
  • the annular area of the width difference interval, the second part 231 of the second pixel unit 23 is an annular area with a fixed width difference interval, or an annular area with no fixed width difference interval.
  • the second part 231 of the second pixel unit 23 is also an annular area with a fixed width difference interval.
  • the difference between the maximum width and the minimum width of the annular area is greater than or equal to 0 and less than or equal to 0.1 ⁇ m.
  • the present application does not limit the width difference interval of the annular portion of the first pixel unit 22, and in other embodiments, the width difference may be greater than or equal to 0.1 ⁇ m.
  • the figure enclosed by the edge of the anode of the first pixel unit 22 is the same as the figure enclosed by the edge of the light-emitting portion of the first pixel unit 22; the figure enclosed by the edge of the anode of the second pixel unit 22 is the same as the figure enclosed by the edge of the anode of the second pixel unit 22.
  • the figure enclosed by the edge of the light-emitting portion of the pixel unit 22 is the same, and the figure is, for example, a circle.
  • the figure can be oval, diamond, triangle, pearl, other polygon, or any irregular shape, and its specific shape can be adaptively set according to actual needs, which is not described in this embodiment. limited.
  • the minimum width and the maximum width of the second part corresponding to the first pixel unit can be The first width, the minimum width and the maximum width of the second portion corresponding to the second pixel unit may both be the second width.
  • the pixel unit 21 of the first display area 11 includes a red pixel unit, a green pixel unit and a blue pixel unit.
  • the red pixel unit may be a pixel unit in which the light emitting part 211 directly emits red light
  • the green pixel unit may be a pixel unit in which the light emitting part 211 directly emits green light
  • the blue pixel unit may be a pixel unit in which the light emitting part 211 directly emits blue light .
  • the first pixel unit 22 includes a red pixel unit and/or a blue pixel unit; the second pixel unit 23 includes a green pixel unit.
  • the second pixel unit 23 is a green pixel unit, and the first pixel unit is a red pixel unit and a blue pixel unit. Since the green pixel unit has the highest luminous efficiency, the minimum width of the second part of the anode in the green pixel unit in the first display area 11 is larger than that in the red pixel unit and the blue pixel unit in the first display area 11 The minimum width of the second part of the anode can more efficiently improve the brightness of the second display area 12 and eliminate the brightness difference between the first display area 11 and the second display area 12 under large viewing angles.
  • the pixel unit 21 may also include a white pixel unit, and in this case, the second pixel unit 23 may be a white pixel unit and/or a green pixel unit.
  • the sizes of the light emitting parts of the pixel units 21 of the same color on the first display area 11 of the display panel are all the same, and the sizes of the light emitting parts of the pixel units 21 of different colors are different.
  • the color of the second pixel unit 23 is different from that of the first pixel unit 22 , and the area of the light emitting portion 222 in the first pixel unit 22 is larger than the area of the light emitting portion 232 in the second pixel unit 23 .
  • the anode of the second pixel unit 23 Since the light-emitting portion 232 of the second pixel unit 23 has a smaller area, in order to obtain the second width W2 larger than the first width W1 of the second pixel unit 23, the anode of the second pixel unit 23 is not Under the premise of affecting its adjacent pixel units, it can have a larger expansion area.
  • the second pixel unit 23 is a green pixel unit
  • the first pixel unit is a red pixel unit and a blue pixel unit
  • the area of the light-emitting part of the red pixel unit is the largest
  • the area of the light-emitting part of the blue pixel unit is the largest
  • the area of the light emitting part of the green pixel unit is the smallest, that is, the second pixel unit 23 has higher luminous efficiency than the first pixel unit 22, and the second width W2 can be set larger.
  • the difference between the second width W2 and the first width W1 is greater than or equal to 0.1 ⁇ m.
  • the ratio of the second portion 231 of the anode in the second pixel unit 23 to the total area of the anode in the second pixel unit 23 is greater than or equal to 47.16% (for example: 50%, 55%, 60% , 65%, 70%, etc.).
  • the minimum width of the second portion 221 of the anode in each of the first pixel units 22, that is, the first width W1 is the same, and the minimum width of the second portion 231 of the anode in each of the second pixel units 23, that is, the second width
  • the widths W2 are all the same, and the difference between the first width W1 and the second width W2 is greater than or equal to 0.1 ⁇ m.
  • This embodiment does not limit the size of the anode and the light-emitting part 222 of each first pixel unit 22 and the size of the anode and the light-emitting part 232 of each second pixel unit 23, and the plurality of first pixel units 22 may include various sizes of Anodes and light-emitting parts 222 of various sizes; the plurality of second pixel units 23 may also include anodes of various sizes and light-emitting parts 232 of various sizes.
  • FIG. 5 is a schematic diagram of the structure of the anode and the light-emitting part of the pixel unit in the second display area provided by the first embodiment of the present application
  • FIG. 6 is the anode of the pixel unit in the first display area and the second display area provided by the first embodiment of the present application.
  • the pixel unit 21 includes a third pixel unit 24 located in the second display area 12 of the display panel and emitting the same color as the first pixel unit 22 and a second pixel unit 24 and the same color.
  • the fourth pixel unit 25 that emits light of the same color.
  • the three pixel units 24 are red pixel units and blue pixel units
  • the fourth pixel unit 25 is a green pixel unit.
  • the minimum width of the second portion 241 of the anode of the third pixel unit 24 is the third width W3
  • the minimum width of the second portion 251 of the anode of the fourth pixel unit 25 is the fourth width W4
  • the third width W3 and The fourth width W4 is smaller than the second width W2.
  • the third width W3 and the fourth width W4 are the same and smaller than the first width W1, and the second width W2 is larger than the first width W1.
  • the anode of the second pixel unit in the first display area 11 can reflect more light generated by the corresponding second pixel unit, so that the light output in the first display area with a large viewing angle is increased, the brightness of the light output is increased, and the first display area is increased.
  • the exit angle of the two-pixel unit under the large viewing angle improves the consistency of the display effect of the first display area and the second display area, improves the display effect of the display panel under the large viewing angle, and avoids the brightness difference of the display panel under the large viewing angle. problem of experience.
  • the second portion 241 of the third pixel unit 24 forms a third annular portion
  • the second portion 251 of the fourth pixel unit 25 forms a fourth annular portion.
  • the difference between the maximum width and the minimum width is a; wherein, 0 ⁇ a ⁇ 0.1 ⁇ m; that is, the second part 241 of the third pixel unit 24 and the second part 251 of the fourth pixel unit 25 are a fixed width difference
  • the annular area of the interval is not limit the width difference interval of the annular portion of the third pixel unit 24 and the width difference interval of the annular portion of the fourth pixel unit 25. In other embodiments, the width difference interval may be greater than 0.1 ⁇ m.
  • the figure enclosed by the edge of the anode of the third pixel unit 24 is the same as the figure enclosed by the edge of the light-emitting portion of the third pixel unit 24; the figure enclosed by the edge of the anode of the fourth pixel unit 25 is the same as the figure enclosed by the edge of the anode of the fourth pixel unit 25.
  • the figure surrounded by the edge of the light-emitting portion of the pixel unit 25 is the same, and the figure is, for example, a circle.
  • the graphic can also be oval, diamond, triangle, pearl, other polygon, or any irregular shape, and its specific shape can be adaptively set according to actual needs, this embodiment is here Not limited.
  • the density of pixel units on the first display area 11 and the second display area 12 of the display panel are the same, that is, the number of pixel units in a unit area is fixed. Specifically, each pixel unit corresponds to A fixed unit area. Further, the first pixel unit 22 of the first display area 11 is a red pixel unit and a blue pixel unit, the second pixel unit 23 of the first display area 11 is a green pixel unit, and the second pixel unit 23 of the second display area 12 is a green pixel unit.
  • the three-pixel unit 24 is a red pixel unit and a blue pixel unit
  • the fourth pixel unit 25 of the second display area 12 is a green pixel unit
  • the light-emitting part 211 of the pixel unit of the same color in the first display area 11 All have the same size
  • the light-emitting parts 211 of the pixel units of the same color located in the second display area 12 are all the same size.
  • the size of the red pixel unit of the first display area 11 is larger than the size of the red pixel unit of the second display area 12; the size of the green pixel unit of the first display area 11 is larger than the size of the green pixel unit of the second display area 12
  • the size of the unit; the size of the blue pixel unit of the first display area 11 is larger than the size of the blue pixel unit of the second display area 12 .
  • the pixel units of the same color in the first display area 11 have the same size, and the pixel units of different colors have different sizes; the pixel units of the same color in the second display area 12 have the same size, and the pixel units of different colors. Different sizes.
  • the cathodes of the pixel units are generally arranged on the entire surface, when comparing the sizes of the two pixel units, generally only the sizes of the anodes and the light-emitting parts in the two pixel units are compared, that is, when the same color is used.
  • the area of the anode of the second pixel unit 23 of the same color is larger than the area of the anode of the fourth pixel unit 25, and the same color
  • the area of the anode of the first pixel unit 22 of the same color is larger than the area of the anode of the third pixel unit 24; and the area of the light emitting part 232 of the second pixel unit 23 of the same color is larger than that of the fourth pixel unit 25.
  • the area of the light-emitting portion 252 of the first pixel unit 22 of the same color is larger than the area of the light-emitting portion 242 of the third pixel unit 24 .
  • the pixel brightness of the second display area 12 is lower. , can also have the effect of eliminating the brightness difference between the first display area 11 and the second display area 12 .
  • the arrangement between the pixel units 21 on the first display area 11 of the display panel is, for example, a diamond pixel (Diamond Pixel) arrangement or a delta pixel (Delta pixel) arrangement. Pixel) arrangement, Pearl Pixel arrangement or 2in1 Pixel arrangement, etc.; the arrangement between each pixel unit 21 on the second display area 12 of the display panel is, for example, a diamond pixel (Dimond Pixel) Arrangement or Delta Pixel (Delta Pixel) arrangement, Pearl Pixel (Pearl Pixel) Pixel) arrangement or two-in-one pixel (2in1 Pixel) arrangement, etc.
  • each pixel unit on the first display area 11 is arranged in the same manner as each pixel unit on the second display area 12 .
  • This embodiment also discloses a display device, the display device includes a camera and the above-mentioned display panel, and the camera is disposed on one side of the display panel corresponding to the second display area 12 .
  • the first display area 11 of the display panel is a conventional display area
  • the second display area of the display panel is a light-transmitting display area
  • the light-transmitting display area has a light-transmitting function and a display function.
  • the plurality of pixel units 21 located in the first display area 11 emit light under the driving of the pixel driving circuit on the array substrate 10;
  • the plurality of pixel units 21 located in the second display area 12 emit light under the driving of the pixel driving circuit on the array substrate 10, and the camera located on one side of the transparent display area is blocked by the transparent display area and cannot be Observed by a user or terminal located on the side of the light-transmitting display area away from the camera, that is, when both the first display area 11 and the second display area 12 perform display functions, the camera can be hidden, and the display panel A true full-screen display is possible, and since the first display area 11 is provided with the first pixel unit 22 and the second pixel unit 23, the width of the second portion 231 of the anode of the second pixel unit 23 is compared with the conventional first pixel unit 23.
  • a pixel unit 22 is wider, and the second pixel unit 23 has the highest luminous efficiency, so that the brightness of the first display area 11 can be effectively improved, and the higher light transmittance of the touch film layer of the second display area 12 can be avoided.
  • the pixel units 21 located in the first display area 11 emit light under the driving of the pixel driving circuit on the array substrate 30; when the second display area 12 performs the light transmission function, Several pixel units located in the second display area 12 do not emit light, the light-transmitting display area is in a light-transmitting state, and the camera on one side of the light-transmitting display area has a higher light transmittance of the touch film layer, so it can better
  • the ambient light incident to the second display area 12 from the outside is received, so as to realize the functions of light-sensing and imaging.
  • the light-emitting effect of the second pixel unit is guaranteed, and the reduction of the light-emitting portion of the second pixel unit makes the second pixel unit more difficult for the touch layer 40 located above it under a large viewing angle. It can also be blocked by the metal traces in the middle, which can also play a good role in eliminating the brightness difference under large viewing angles.
  • FIG. 7 is a schematic structural diagram of an anode and a light-emitting portion of a pixel unit in a first display area according to Embodiment 2 of the present application.
  • the display panel and the display device disclosed in the second embodiment of the present application are similar to the display panel and the display device in the first embodiment, and the same parts in this embodiment are not repeated here.
  • the difference is that the second width W2 of at least one of the second pixel units 23 is greater than all the first widths W1, and the second width W2 of other second pixel units is equal to the largest first width W1.
  • the first widths W1 of all the first pixel units 22 are the same; in every four second pixel units 23, the second widths W2 of two second pixel units 23 are larger than the The first width W1 and the second width W2 of the other two second pixel units 23 are equal to the first width W1.
  • the second widths W2 of the two second pixel units 23 are larger than the largest first width W1.
  • the second pixel unit 23 is a green pixel unit
  • the first pixel unit 22 is a red pixel unit and a blue pixel unit
  • the light-emitting parts of each green pixel unit are the same size, and in every four green pixel units,
  • the size of the anodes of the two green pixel units is larger than the size of the anodes of the other two green pixel units.
  • FIG. 8 is a schematic structural diagram of the anode and the light-emitting portion of the pixel unit in the first display area according to the third embodiment of the present application.
  • the display panel and the display device disclosed in the third embodiment of the present application are similar to the display panel and the display device in the first embodiment, and the same parts in this embodiment are not repeated here.
  • the difference is that the figure enclosed by the edge of the anode of the second pixel unit 22 is different from the figure enclosed by the edge of the light emitting part of the second pixel unit 22 .
  • the anodes of all the second pixel units 23 in the first display area 11 of the display panel are rectangular, and the light-emitting parts 232 of all the second pixel units 23 are circular, and the circle is located at the center of the rectangle position, the width of the second portion 231 of the anode of the second pixel unit 23 has a width interval, the minimum value of the width interval is the minimum distance from the midpoint of one side of the rectangle to the circle, and the maximum value of the width interval is The minimum distance from a corner of the rectangle to the circle.
  • the difference between the maximum width and the minimum width of the second portion 231 of the second pixel unit 23 is greater than 0.1 ⁇ m, and this application does not limit the maximum value of the difference, as long as the setting of the second pixel unit 23 is not It only needs to affect its adjacent pixel units 21 .
  • the shape of the second pixel unit 23 is not limited to the rectangle in this embodiment, and in other embodiments, it can also be an oval, diamond, triangle, pearl, other polygon, or any irregularity The specific shape can be adaptively set according to actual needs, which is not limited in this embodiment.
  • the present application provides a display panel and a display device
  • the display panel includes: an array substrate; a plurality of pixel units disposed on the array substrate, each pixel unit including: an anode, a light-emitting part and a cathode; an encapsulation layer, arranged on the plurality of pixel units; a touch layer, arranged on the encapsulation layer; wherein, a first display area is arranged on the display panel and is arranged adjacent to the first display area In the second display area, the light transmittance of the touch layer in the first display area is smaller than the light transmittance in the second display area; in the first display area, the plurality of pixel units include first pixel units and the second pixel unit, the minimum distance from the edge of the anode of at least one of the second pixel units to the edge of its corresponding light-emitting part is greater than the minimum distance from the edge of the anode of the first pixel unit to the edge of its corresponding light-emitting part .
  • the minimum distance between the edge of the anode of at least one second pixel unit in the plurality of pixel units in the first display area and the edge of the corresponding light-emitting part is larger than that of the first pixel.
  • the minimum distance between the edge of the anode of the unit and the edge of the corresponding light-emitting part, that is, the anode area of the second pixel unit is additionally enlarged, and this part of the enlarged anode area of the second pixel unit can be used to reflect the corresponding first pixel.
  • the light generated by the two pixel units increases the amount of light emitted in the first display area under a large viewing angle, improves the consistency of the display effects of the first display area and the second display area, improves the display effect of the display panel under a large viewing angle, and avoids the The brightness difference under the large viewing angle of the display panel reduces the user experience.
  • the “size” refers specifically to the "area” size of the plane area.
  • a display panel and a display device provided by the embodiments of the present application have been introduced in detail above, and the principles and implementations of the present application are described with specific examples. The descriptions of the above embodiments are only used to help understand the present application. At the same time, for those skilled in the art, according to the idea of the application, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be construed as a Application restrictions.

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Abstract

一种显示面板及显示装置，显示面板包括：阵列基板（10）以及多个像素单元（21），第一显示区（11）中，第二像素单元（23）的阳极（210）的边缘距其对应的发光部（211）的边缘的最小距离大于第一像素单元（22）的阳极（210）的边缘距其对应的发光部（211）的边缘的最小距离，避免了显示面板大视角下的亮度差、降低用户体验的问题。

Description

显示面板及显示装置 技术领域
本申请涉及显示技术，具体涉及一种显示面板及显示装置。
 背景技术
随着便携式电子设备（例如可以用于手机、平板电脑、电子书以及导航设备）行业的发展，屏下摄像头（Camera Under Panel，CUP）技术因带来更好的视觉享受和无干扰的全方位显示逐渐成为发展的趋势。
目前的CUP显示装置是指摄像头位置可显示的显示装置，通过提高显示面板在对应摄像头的显示区域（简称：摄像头区域）的透光率，当不拍照时，它可以正常显示屏幕内容；当拍照时，良好的透光率可以满足摄像头的采光要求。由于摄像头区域对光学性能的高要求，现有技术采用对该摄像头区域对应的显示面板区域进行差异化设计的方式来提高摄像头区域的透光率，例如减薄或去除摄像头区域对应的遮光金属，这样会导致摄像头区域与显示面板的正常显示区域之间，遮光金属对像素发光的遮挡产生差异，特别是在大视角情况下，这种显示差异会愈加明显，为了改善这种大视角下的显示差异，需要提出一种有效的解决方案。
 技术问题
本申请实施例提供一种显示面板及其显示装置，可以降低现有技术中摄像头区域和常规显示区域产生的显示差异，改善显示面板及显示装置的整体显示均一性的效果，提升用户体验。
 技术解决方案
为解决上述问题，本申请提供的技术方案如下：
本申请实施例提供一种显示面板，包括：
阵列基板；
多个像素单元，设置于所述阵列基板上，每个所述像素单元包括：依次层叠设置的阳极、发光部和阴极；
封装层，设置于所述多个像素单元上；
触控层，设置于所述封装层上；
其中，所述显示面板上包括有第一显示区和与所述第一显示区相邻设置的第二显示区，所述触控层在所述第一显示区的透光率小于其在所述第二显示区的透光率；
所述第一显示区中，多个像素单元包括第一像素单元和第二像素单元，至少一个所述第二像素单元的阳极的边缘距其对应的发光部的边缘的最小距离，大于所述第一像素单元的阳极的边缘距其对应的发光部的边缘的最小距离。
可选的，每个所述像素单元的阳极包括与所述发光部重叠的第一部分和设置于所述第一部分外围的第二部分，每个所述第一像素单元对应的第二部分的最小宽度为第一宽度，每个所述第二像素单元对应的第二部分的最小宽度为第二宽度，至少一个所述第二像素单元的所述第二宽度大于所有的所述第一宽度。
可选的，所有所述第二像素单元的所述第二宽度均大于所有的所述第一宽度，或者，
至少一个所述第二像素单元的所述第二宽度大于所有的所述第一宽度，且其他所述第二像素单元的所述第二宽度等于最大的所述第一宽度。
可选的，所述第一像素单元的第二部分形成第一环形部，所述第一环形部的最大宽度与其最小宽度的差值为a；所述第二像素的第二部分形成第二环形部，所述第二环形部的最大宽度与其最小宽度的差值为b；其中，0μm≤a≤0.1μm；b≥0μm。
可选的，所述第一像素单元的阳极边缘围成的图形与所述第一像素单元的发光部边缘围成的图形相同；所述第二像素单元的阳极边缘围成的图形与所述第二像素单元的发光部边缘围成的图形相同或不同。
可选的，所述第一像素单元的与所述第二像素单元的发射不同颜色的光，所述第一像素单元的发光部的面积大于所述第二像素单元的发光部的面积。
可选的，所述第二像素单元中，所述阳极的第二部分的面积占所述阳极总面积的比例大于或等于47.16%。
可选的，各个所述第一像素单元的第一宽度均相同，各个所述第二像素单元的第二宽度均相同，且所述第二宽度与所述第一宽度的差值大于或等于0.1μm。
可选的，所述第一像素单元包括红色像素单元和/或蓝色像素单元，所述第二像素单元包括绿色像素单元。
可选的，所述第二显示区中，多个像素单元包括与第一像素单元发相同颜色光的第三像素单元和与第二像素单元发相同颜色光的第四像素单元，其中，
所述第三像素单元的第二部分的最小宽度为第三宽度，所述第四像素单元的第二部分的最小宽度为第四宽度，所述第一宽度、所述第三宽度、第四宽度均小于所述第二宽度。
可选的，所述第三像素单元的阳极边缘围成的图形与所述第三像素单元的发光部边缘围成的图形相同；所述第四像素单元的阳极边缘围成的图形与所述第四像素单元的发光部边缘围成的图形相同。
可选的，所述第三宽度与第四宽度相同。
可选的，所所述触控层在对应所述第二显示区的位置设置有开口，所述第二显示区的像素单元的密度与所述第一显示区的像素单元的密度相同。
可选的，所述第三像素单元的发光部面积小于所述第一像素单元的发光部面积，所述第四像素单元的发光部面积小于所述第二像素单元的发光部面积。
相应的，本申请实施例还提供一种显示装置，包括：摄像头和显示面板，所述摄像头设置在对应所述第二显示区的所述显示面板的一侧，所述显示面板包括：
阵列基板；
多个像素单元，设置于所述阵列基板上，每个所述像素单元包括：依次层叠设置的阳极、发光部和阴极；
封装层，设置于所述多个像素单元上；
触控层，设置于所述封装层上；
其中，所述显示面板包括有第一显示区和与所述第一显示区相邻设置的第二显示区，所述触控层在所述第一显示区的透光率小于其在所述第二显示区的透光率；
所述第一显示区中，多个像素单元包括第一像素单元和第二像素单元，至少一个所述第二像素单元的阳极的边缘距其对应的发光部的边缘的最小距离，大于所述第一像素单元的阳极的边缘距其对应的发光部的边缘的最小距离。
可选的，每个所述像素单元的阳极包括与所述发光部重叠的第一部分和设置于所述第一部分外围的第二部分，每个所述第一像素单元对应的第二部分的最小宽度为第一宽度，每个所述第二像素单元对应的第二部分的最小宽度为第二宽度，至少一个所述第二像素单元的所述第二宽度大于所有的所述第一宽度。
可选的，所有所述第二像素单元的所述第二宽度均大于所有所述第一像素单元的所述第一宽度，或者，
至少一个所述第二像素单元的所述第二宽度大于所有的所述第一宽度，且其他所述第二像素单元的所述第二宽度等于最大的所述第一宽度。
可选的，所述第一像素单元与所述第二像素单元发射不同颜色的光，所述第一像素单元的发光部的面积大于所述第二像素单元的发光部的面积。
可选的，所述第一像素单元包括红色像素单元和/或蓝色像素单元，所述第二像素单元包括绿色像素单元。
可选的，所述第二显示区中，多个像素单元包括与第一像素单元发相同颜色光的第三像素单元和与第二像素单元发相同颜色光的第四像素单元，其中，
所述第三像素单元的第二部分的最小宽度为第三宽度，所述第四像素单元的第二部分的最小宽度为第四宽度，所述第一宽度、所述第三宽度、第四宽度均小于所述第二宽度。
 有益效果
本申请提供的显示面板及显示装置通过将第一显示区内的多个像素单元中的至少一个第二像素单元的阳极的边缘距其对应的发光部的边缘的最小距离大于第一像素单元的阳极的边缘距其对应的发光部的边缘的最小距离，使第一显示区大视角下的出光量增多，提升了第一显示区和第二显示区显示效果的一致性，改善了显示面板大视角下的显示效果，避免了显示面板大视角下的亮度差降低用户体验的问题。
 附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，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是本申请实施例一提供的显示面板的俯视图；
图2是本申请实施例一提供的显示面板的正视图；
图3是本申请实施例一提供的第一显示区的像素单元的阳极与发光部的结构示意图；
图4为本申请实施例一提供的像素单元的结构示意图；
图5是本申请实施例一提供的第二显示区的像素单元的阳极与发光部的结构示意图；
图6是本申请实施例一提供的第一显示区和第二显示区的像素单元的阳极与发光部的结构示意图；
图7是本申请实施例二提供的第一显示区的像素单元的阳极与发光部的结构示意图；
图8是本申请实施例三提供的第一显示区的像素单元的阳极与发光部的结构示意图。
 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、完整地描述，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。此外，应当理解的是，此处所描述的具体实施方式仅用于说明和解释本申请，并不用于限制本申请。在本申请中，在未作相反说明的情况下，使用的方位词如“上”和“下”通常是指装置实际使用或工作状态下的上和下，该具体为附图中的图面方向；而“内”和“外”则是针对装置的轮廓而言的。
本申请实施例提供一种显示面板及显示装置。以下分别进行详细说明。需说明的是，以下实施例的描述顺序不作为对实施例优选顺序的限定。
本申请提供了一种显示面板及显示装置，该显示面板包括：阵列基板；多个像素单元，设置于该阵列基板上，每个该像素单元包括：依次层叠设置的阳极、发光部和阴极；封装层，设置于该多个像素单元上；触控层，设置于该封装层上；其中，该显示面板上设置有第一显示区和与该第一显示区相邻设置的第二显示区，该触控层在该第一显示区的透光率小于其在该第二显示区的透光率；该第一显示区中，多个该像素单元包括第一像素单元和第二像素单元，至少一个该第二像素单元的阳极的边缘距其对应的发光部的边缘的最小距离，大于该第一像素单元的阳极的边缘距其对应的发光部的边缘的最小距离。本申请提供的显示面板及显示装置，通过将第一显示区内的多个像素单元中的至少一个第二像素单元的阳极的边缘距其对应的发光部的边缘的最小距离，大于第一像素单元的阳极的边缘距其对应的发光部的边缘的最小距离，额外扩增了至少部分第二像素单元的阳极面积，而这部分扩增的第二像素单元的阳极面积可以用来反射对应第二像素单元产生的光线，使第一显示区大视角下的出光量增多，提升了第一显示区和第二显示区显示效果的一致性，改善了显示面板大视角下的显示效果，避免了显示面板大视角下的亮度差降低用户体验的问题。
实施例一
图1是本申请实施例一提供的显示面板的俯视图；图2是本申请实施例一提供的显示面板的正视图；图3是本申请实施例一提供的第一显示区的像素单元的阳极与发光部的结构示意图。结合图1-图3所示，本申请实施例一提供了一种显示面板，该显示面板的类型例如为OLED显示面板，该显示面板包括：依次层叠设置的阵列基板10、像素层20、封装层30和触控层40，该显示面板上设置有第一显示区11和第二显示区12，该第一显示区11与该第二显示区12相邻设置。具体的，该显示面板上分别设置有一个第一显示区11和一个第二显示区12，该第一显示区11围绕该第二显示区12设置。在本申请的其他实施例中，该第二显示区12还可以设置于该第一显示区11的一侧或多侧，该第二显示区12可以为一个或多个。
该阵列基板10例如包括阵列基板本体和设置于阵列基板本体上的像素驱动电路，该阵列基板本体可以是柔性基板或刚性基板，其材质包括玻璃、塑料、二氧化硅、聚乙烯、聚丙烯、聚苯乙烯、聚乳酸、聚对苯二甲酸乙二醇酯、聚酰亚胺或聚氨酯中的一种或多种。
该像素层20设置于阵列基板10上，并包括多膜层结构，具体的，该像素层20例如包括阳极层、有机发光层和阴极层。其中，该像素层20中的阳极层例如为不透光材质，其能够将射向该阳极层的光线进行反射，例如，该阳极层由透明导电层、银、透明导电层三个膜层叠加设置而成，该透明导电层例如为氧化铟锡（ITO）材质制成，该阳极层包括图案化并间隔设置的多个阳极；该阳极层上例如还设置有像素限定层，并在对应该多个阳极的位置上分别设置有像素限定开口。该像素层20中的有机发光层设置于该像素限定层上，并包括图案化并间隔设置的多个发光部，该多个发光部对应设置在该多个阳极上的各个像素限定开口内。该阴极层设置于该有机发光层上，该阴极层为例如为银金属薄膜，其具有半透射半反射的光学效果。该第一显示区11内设置有多个像素单元21，该第一显示区内的该多个像素单元21包括多个第一像素单元22和多个第二像素单元23，至少一个第二像素单元23的阳极的边缘距其对应的发光部的边缘的最小距离，大于该第一像素单元的阳极的边缘距其对应的发光部的边缘的最小距离。本申请通过额外扩增了至少部分第二像素单元的阳极面积，而这部分扩增的第二像素单元的阳极面积可以用来反射对应第二像素单元产生的光线，使第一显示区大视角下的出光量增多，提高出光亮度，并增大了第二像素单元大视角下的出射角度，提升了第一显示区和第二显示区显示效果的一致性，改善了显示面板大视角下的显示效果，避免了显示面板大视角下的亮度差降低用户体验的问题。
该封装层30设置于该像素层20上，用于保证该像素层20中的像素单元21的密封效果，以免水汽和氧气侵入对该像素单元21造成腐蚀。
该触控层40设置于该封装层30上，该触控层40在对应该第二显示区12的位置设置有开口41，即在第二显示区12直接不设置触控电极，该触控层40的触控电极可以采用金属网格（Metal Mesh）结构。具体的，该触控层40在正视角度时并不会对第一显示区11上的像素单元21产生遮挡，但该金属网格结构会反射遮挡大视角下的像素单元21所发出的光线，进而使得第二显示区12相较于第一显示区11在大视角下的出光率更高。当然，在其他实施例中，该触控层40在对应该第二显示区12的位置还可以是其他能够提高该第二显示区12透光率以使该触控层40在第一显示区11和第二显示区12的出光率存在差异的设计，例如，该触控层40在对应该第二显示区12的材质采用透光率更高的透明走线，本实施例对此不作限定。
图4为本申请实施例一提供的像素单元的结构示意图。结合图2、图3和图4所示，该像素层20包括多个像素单元21，该多个像素单元21分布在该第一显示区11和第二显示区12，每个像素单元21包括：依次层叠设置的阳极210、发光部211和阴极212，每个该像素单元21的阳极210包括与该发光部211重叠的第一部分和环绕于该第一部分外围的第二部分，即该第一部分的面积等于该发光部211在阵列基板10上的投影面积(即该虚线部分在阵列基板10上的投影对应的面积)，每个像素单元21的阳极210的边缘距其对应的发光部211的边缘的距离为W，其中，该像素单元21包括位于该第一显示区的第一像素单元22和第二像素单元23，该第一像素单元22和该第二像素单元23均设置有多个，每个该第一像素单元22对应的第二部分221的最小宽度为第一宽度W1，每个该第二像素单元23对应的第二部分231的最小宽度为第二宽度W2，至少一个该第二像素单元23的该第二宽度W2大于所有的该第一宽度W1。具体的，所有该第二像素单元23的该第二宽度W2均大于所有该第一像素单元22的该第一宽度W1，即任意一个第二像素单元23的第二部分231的第二宽度W2均大于所有的该第一宽度W1。
本实施例中，该第一像素单元22的第二部分221形成第一环形部，该第一环形部的最大宽度与其最小宽度的差值为a；该第二像素的第二部分形成第二环形部，该第二环形部的最大宽度与其最小宽度的差值为b；其中，0≤a≤0.1μm；b≥0μm，也即该第一像素单元22的第二部分221为一具有固定宽度差区间的环形区域，该第二像素单元23的第二部分231为一具有固定宽度差区间的环形区域，或者，一具有无固定宽度差区间的环形区域。优选的，在本实施例中，该第二像素单元23的第二部分231同为一具有固定宽度差区间的环形区域，为了兼容工艺误差，该环形区域的最大宽度与最小宽度的差值大于或等于0且小于或等于0.1μm。当然，本申请对该第一像素单元22的环形部的宽度差区间不作限定，在其他实施例中，其宽度差可以大于或等于0.1μm。
进一步的，该第一像素单元22的阳极边缘围成的图形与该第一像素单元22的发光部边缘围成的图形相同；该第二像素单元22的阳极边缘围成的图形与该第二像素单元22的发光部边缘围成的图形相同，该图形例如为圆。在本申请的其他实施例中，该图形可以椭圆形、钻石形、三角形、珍珠形、其他多边形、或任意不规则形状，其具体形状可以根据实际需要进行适应性设置，本实施例在此不作限定。需要说明的是，在像素单元（包括第一像素单元和第二像素单元）的阳极与其对应的发光部边缘图形相同时，第一像素单元对应的第二部分的最小宽度和最大宽度都可以为第一宽度，第二像素单元对应的第二部分的最小宽度和最大宽度都可以为第二宽度。
本实施例中，该第一显示区11的像素单元21包括红色像素单元、绿色像素单元和蓝色像素单元。该红色像素单元可以是发光部211直接发红光的像素单元；该绿色像素单元可以是发光部211直接发绿光的像素单元；该蓝色像素单元可以是发光部211直接发蓝光的像素单元。
本实施例中，该第一像素单元22包括红色像素单元和/或蓝色像素单元；该第二像素单元23包括绿色像素单元。例如，该第二像素单元23为绿色像素单元，该第一像素单元为红色像素单元和蓝色像素单元。由于该绿色像素单元的发光效率最高，通过使该第一显示区11内的绿色像素单元中的阳极的第二部分的最小宽度大于该第一显示区11内的红色像素单元和蓝色像素单元中的阳极的第二部分的最小宽度，能够更有效率的提升该第二显示区12的亮度，消除第一显示区11和第二显示区12大视角下的亮度差。当然，在本申请的其他实施例中，该像素单元21还可以包括白色像素单元，此种情况下，该第二像素单元23可以是白色像素单元和/或绿色像素单元。
本实施例中，该显示面板的第一显示区11上的同种颜色的像素单元21的发光部的大小均相同，不同颜色的像素单元21的发光部的大小均不同。该第二像素单元23的颜色不同于该第一像素单元22的颜色，该第一像素单元22中的发光部222的面积大于该第二像素单元23中的发光部232的面积。由于该第二像素单元23的发光部232具有更小的面积，该第二像素单元23为了获得比该第一宽度W1更大的第二宽度W2时，该第二像素单元23的阳极在不影响其相邻像素单元的前提下可以有更大的外扩面积。优选的，该第二像素单元23为绿色像素单元，该第一像素单元为红色像素单元和蓝色像素单元，该红色像素单元的发光部的面积最大，该蓝色像素单元的发光部的面积次之，该绿色像素单元的发光部的面积最小，即该第二像素单元23相较于第一像素单元22在具有更高发光效率的同时，其第二宽度W2可以设置的更大。优选的，该第二宽度W2与该第一宽度W1的差值大于或等于0.1μm。
本实施例中，该第二像素单元23中的阳极的第二部分231占该第二像素单元23中的阳极的总面积的比例大于或等于47.16%（例如：50%、55%、60%、65%、70%等）。优选的，各个该第一像素单元22中的阳极的第二部分221的最小宽度即第一宽度W1均相同，各个该第二像素单元23中的阳极的第二部分231的最小宽度即第二宽度W2均相同，且该第一宽度W1和第二宽度W2之间的差值大于或等于0.1μm。本实施例对各个第一像素单元22的阳极、发光部222的大小以及各个第二像素单元23的阳极、发光部232的大小不作限定，多个第一像素单元22可以包括多种不同大小的阳极和多种不同大小的发光部222；多个第二像素单元23也可以包括多种不同大小的阳极和多种不同大小的发光部232。
图5是本申请实施例一提供的第二显示区的像素单元的阳极与发光部的结构示意图；图6是本申请实施例一提供的第一显示区和第二显示区的像素单元的阳极与发光部的结构示意图。结合图1-6所示，本实施例中，像素单元21包括位于该显示面板的第二显示区12的与第一像素单元22发相同颜色光的第三像素单元24和与第二像素单元23发相同颜色光的第四像素单元25。例如，本实施例中，该三像素单元24为红色像素单元和蓝色像素单元，该第四像素单元25为绿色像素单元。该第三像素单元24的阳极的第二部分241的最小宽度为第三宽度W3，该第四像素单元25的阳极的第二部分251的最小宽度为第四宽度W4，该第三宽度W3和第四宽度W4均小于该第二宽度W2。优选的，该第三宽度W3和第四宽度W4相同，并小于该第一宽度W1，而第二宽度W2大于第一宽度W1。因此，第一显示区11的第二像素单元的阳极能够反射更多的对应第二像素单元产生的光线，使第一显示区大视角下的出光量增多，提高出光亮度，并增大了第二像素单元大视角下的出射角度，提升了第一显示区和第二显示区显示效果的一致性，改善了显示面板大视角下的显示效果，避免了显示面板大视角下的亮度差降低用户体验的问题。
本实施例中，该第三像素单元24的第二部分241形成第三环形部，该第四像素单元25的第二部分251形成第四环形部，该第三环形部、第四环形部的最大宽度与其最小宽度的差值为a；其中，0≤a≤0.1μm；也即该第三像素单元24的第二部分241、第四像素单元25的第二部分251为一具有固定宽度差区间的环形区域。当然，本申请对该第三像素单元24的环形部的宽度差区间、该第四像素单元25的环形部的宽度差区间不作限定，在其他实施例中，其宽度差区间可以大于0.1μm。
进一步的，该第三像素单元24的阳极边缘围成的图形与该第三像素单元24的发光部边缘围成的图形相同；该第四像素单元25的阳极边缘围成的图形与该第四像素单元25的发光部边缘围成的图形相同，该图形例如为圆。在本申请的其他实施例中，该图形还可以椭圆形、钻石形、三角形、珍珠形、其他多边形、或任意不规则形状，其具体形状可以根据实际需要进行适应性设置，本实施例在此不作限定。
本实施例中，该显示面板的第一显示区11和第二显示区12上的像素单元密度相同，即一单位面积内的像素单元的数量为固定的，具体的，每个像素单元均对应一固定的单位面积。进一步地，该第一显示区11的第一像素单元22为红色像素单元和蓝色像素单元，该第一显示区11的第二像素单元23为绿色像素单元，该第二显示区12的第三像素单元24为红色像素单元和蓝色像素单元，该第二显示区12的第四像素单元25为绿色像素单元，位于该第一显示区11的同种颜色的像素单元的发光部211的大小均相同，位于该第二显示区12的同种颜色的像素单元的发光部211的大小均相同。其中，该第一显示区11的红色像素单元的大小大于该第二显示区12的红色像素单元的大小；该第一显示区11的绿色像素单元的大小大于该第二显示区12的绿色像素单元的大小；该第一显示区11的蓝色像素单元的大小大于该第二显示区12的蓝色像素单元的大小。进一步地，该第一显示区11内的同种颜色的像素单元大小相同，不同颜色的像素单元大小不同；该第二显示区12内的同种颜色的像素单元大小相同，不同颜色的像素单元大小不同。需要说明的是，由于像素单元的阴极一般是整面设置的，对两个像素单元的大小进行比较时，一般只比较两个像素单元中阳极以及发光部的大小，也即，当同种颜色的第一显示区11的像素单元21大于该第二显示区12的像素单元21时，同种颜色的该第二像素单元23的阳极的面积大于该第四像素单元25的阳极的面积，同种颜色的该第一像素单元22的阳极的面积大于第三像素单元24的阳极的面积；且同种颜色的该第二像素单元23的发光部232的面积大于该第四像素单元25的发光部252的面积，同种颜色的该第一像素单元22的发光部222的面积大于第三像素单元24的发光部242的面积。而且，由于各颜色的该第二显示区的像素单元的发光部的面积分别小于对应颜色的该第一显示区的像素单元的发光部的面积，使得该第二显示区12的像素亮度更低，也能起到消除第一显示区11和第二显示区12亮度差的效果。
本实施例中，显示面板的第一显示区11上的各个像素单元21之间排布方式例如是钻石像素（Dimond Pixel）排布方式或三角像素（Delta Pixel）排列、珍珠像素（Pearl Pixel）排列或二合一像素(2in1 Pixel)排列等；显示面板的第二显示区12上的各个像素单元21之间排布方式例如是钻石像素（Dimond Pixel）排布方式或三角像素（Delta Pixel）排列、珍珠像素（Pearl Pixel）排列或二合一像素(2in1 Pixel)排列等。优选地，第一显示区11上的各个像素单元与第二显示区12上的各个像素单元之间的排布方式相同。
本实施例还公开了一种显示装置，该显示装置包括摄像头和上述的显示面板，该摄像头设置在对应该第二显示区12的该显示面板的一侧。
具体的，该显示面板的第一显示区11为常规显示区，该显示面板的第二显示区为透光显示区，该透光显示区具有透光功能和显示功能。
在该第一显示区11执行显示功能时，位于该第一显示区11的多个像素单元21在阵列基板10上的像素驱动电路的驱动下发光；在该第二显示区12执行显示功能时，位于该第二显示区12的多个像素单元21在阵列基板10上的像素驱动电路的驱动下发光，位于该透光显示区一侧的该摄像头被该透光显示区所遮挡，而无法被位于该透光显示区的远离该摄像头一侧的用户或终端所观察到，即当该第一显示区11和第二显示区12均执行显示功能时，该摄像头能够被隐藏，该显示面板能够真正的全面屏显示，并且，由于第一显示区11设置有第一像素单元22和第二像素单元23，该第二像素单元23的阳极的第二部分231的宽度相较于常规的第一像素单元22更宽，且该第二像素单元23的发光效率最高，从而能够有效提升该第一显示区11的亮度，避免因该第二显示区12触控膜层透光率更高导致的显示面板及显示装置大视角下的亮度差问题。
在该第一显示区11执行显示功能时，位于该第一显示区11的像素单元21在阵列基板30上的像素驱动电路的驱动下发光；在该第二显示区12执行透光功能时，位于该第二显示区12的若干像素单元不发光，该透光显示区为透光状态，该透光显示区的一侧的摄像头由于触控膜层透光率更高，从而能够更好的接收外界射入到该第二显示区12的环境光，从而实现感光和摄像功能。
需要说明的是，使第二像素单元23的第二宽度W2大于第一像素单元22的第一宽度W1除了可以通过直接扩大该第二像素单元23中的阳极外，还可以通过缩小该第二像素单元23中的发光部232的方式实现。该种方式虽然缩小了该第二像素单元23中的发光部232的面积，但该发光部232面积缩小造成的亮度损失可以通过使该显示面板的显示驱动电路系统对该第二像素单元23施以更高的伽马电压进行补偿，该方式在保证发光效果的同时由于第二像素单元的发光部的缩小，使该第二像素单元在大视角下更难以被位于其上方的触控层40中的金属走线所遮挡，从而也能起到很好的消除大视角下亮度差的效果。
实施例二
图7是本申请实施例二提供的第一显示区的像素单元的阳极与发光部的结构示意图。如图7所示，本申请实施例二公开的该显示面板及显示装置与实施例一中的显示面板及显示装置相类似，本实施例对于相同部分在此不再赘述。不同的是，至少一个该第二像素单元23的该第二宽度W2大于所有的该第一宽度W1，且其他该第二像素单元的该第二宽度W2等于最大的该第一宽度W1。例如，该第一显示区11内，所有的该第一像素单元22的第一宽度W1均相同；每四个第二像素单元23中，两个第二像素单元23的第二宽度W2大于该第一宽度W1，另两个第二像素单元23的第二宽度W2等于该第一宽度W1。另外，例如当该多个第一像素单元22的第一宽度W1为多个不同的值时，该两个第二像素单元23的第二宽度W2大于最大的该第一宽度W1。优选的，该第二像素单元23为绿色像素单元，该第一像素单元22为红色像素单元和蓝色像素单元，各个绿色像素单元的发光部大小均相同，且每四个绿色像素单元中，两个绿色像素单元的阳极的大小大于另两个绿色像素单元的阳极的大小。
实施例三
图8是本申请实施例三提供的第一显示区的像素单元的阳极与发光部的结构示意图。如图8所示，本申请实施例三公开的该显示面板及显示装置与实施例一中的显示面板及显示装置相类似，本实施例对于相同部分在此不再赘述。不同的是，该第二像素单元22的阳极边缘围成的图形与该第二像素单元22的发光部边缘围成的图形不同。本实施例中，该显示面板的第一显示区11的所有的第二像素单元23中的阳极为矩形，所有的该第二像素单元23的发光部232为圆，该圆位于该矩形的中心位置，该第二像素单元23的阳极的第二部分231的宽度具有一宽度区间，该宽度区间的最小值为该矩形的一边的中点到该圆的最小距离，该宽度区间的最大值为该矩形的一角到该圆的最小距离。具体的，该第二像素单元23的第二部分231的最大宽度与最小宽度之间差值大于0.1μm，本申请对该差值的最大值不作限定，只要该第二像素单元23的设置不影响其相邻的像素单元21即可。需要说明的是，该第二像素单元23的形状不限于为本实施例中的矩形，在其他实施例中其还可以是椭圆形、钻石形、三角形、珍珠形、其他多边形、或任意不规则形状，其具体形状可以根据实际需求进行适应性设置，本实施例在此不作限定。
综上所述，本申请提供了一种显示面板及显示装置，该显示面板包括：阵列基板；多个像素单元，设置于该阵列基板上，每个该像素单元包括：依次层叠设置的阳极、发光部和阴极；封装层，设置于该多个像素单元上；触控层，设置于该封装层上；其中，该显示面板上设置有第一显示区和与该第一显示区相邻设置的第二显示区，该触控层在该第一显示区的透光率小于其在该第二显示区的透光率；该第一显示区中，多个该像素单元包括第一像素单元和第二像素单元，至少一个该第二像素单元的阳极的边缘距其对应的发光部的边缘的最小距离，大于该第一像素单元的阳极的边缘距其对应的发光部的边缘的最小距离。本申请提供的显示面板及显示装置，通过将第一显示区内的多个像素单元中的至少一个第二像素单元的阳极的边缘距其对应的发光部的边缘的最小距离，大于第一像素单元的阳极的边缘距其对应的发光部的边缘的最小距离，即额外扩增了部分第二像素单元的阳极面积，而这部分扩增的第二像素单元的阳极面积可以用来反射对应第二像素单元产生的光线，使第一显示区大视角下的出光量增多，提升了第一显示区和第二显示区显示效果的一致性，改善了显示面板大视角下的显示效果，避免了显示面板大视角下的亮度差降低用户体验的问题。
本文在论述某平面区域的大小时，该“大小”特指该平面区域的“面积”大小。以上对本申请实施例所提供的一种显示面板及显示装置进行了详细介绍，本文中应用了具体个例对本申请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申请的方法及其核心思想；同时，对于本领域的技术人员，依据本申请的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本申请的限制。

Claims (20)

  1. 一种显示面板，其中，包括：
    阵列基板；
    多个像素单元，设置于所述阵列基板上，每个所述像素单元包括：依次层叠设置的阳极、发光部和阴极；
    封装层，设置于所述多个像素单元上；
    触控层，设置于所述封装层上；
    其中，所述显示面板包括有第一显示区和与所述第一显示区相邻设置的第二显示区，所述触控层在所述第一显示区的透光率小于其在所述第二显示区的透光率；
    所述第一显示区中，多个像素单元包括第一像素单元和第二像素单元，至少一个所述第二像素单元的阳极的边缘距其对应的发光部的边缘的最小距离，大于所述第一像素单元的阳极的边缘距其对应的发光部的边缘的最小距离。
  2. 根据权利要求1所述的显示面板，其中，每个所述像素单元的阳极包括与所述发光部重叠的第一部分和设置于所述第一部分外围的第二部分，每个所述第一像素单元对应的第二部分的最小宽度为第一宽度，每个所述第二像素单元对应的第二部分的最小宽度为第二宽度，至少一个所述第二像素单元的所述第二宽度大于所有的所述第一宽度。
  3. 根据权利要求2所述的显示面板，其中，所有所述第二像素单元的所述第二宽度均大于所有所述第一像素单元的所述第一宽度，或者，
    至少一个所述第二像素单元的所述第二宽度大于所有的所述第一宽度，且其他所述第二像素单元的所述第二宽度等于最大的所述第一宽度。
  4. 根据权利要求2所述的显示面板，其中，所述第一像素单元的第二部分形成第一环形部，所述第一环形部的最大宽度与其最小宽度的差值为a；所述第二像素的第二部分形成第二环形部，所述第二环形部的最大宽度与其最小宽度的差值为b；其中，0μm≤a≤0.1μm；b≥0μm。
  5. 根据权利要求2所述的显示面板，其中，所述第一像素单元的阳极边缘围成的图形与所述第一像素单元的发光部边缘围成的图形相同；所述第二像素单元的阳极边缘围成的图形与所述第二像素单元的发光部边缘围成的图形相同或不同。
  6. 根据权利要求1所述的显示面板，其中，所述第一像素单元与所述第二像素单元发射不同颜色的光，所述第一像素单元的发光部的面积大于所述第二像素单元的发光部的面积。
  7. 根据权利要求1所述的显示面板，其中，所述第二像素单元中，所述阳极的第二部分的面积占所述阳极总面积的比例大于或等于47.16%。
  8. 根据权利要求2所述的显示面板，其中，各个所述第一像素单元的第一宽度均相同，各个所述第二像素单元的第二宽度均相同，且所述第二宽度与所述第一宽度的差值大于或等于0.1μm。
  9. 根据权利要求6所述的显示面板，其中，所述第一像素单元包括红色像素单元和/或蓝色像素单元，所述第二像素单元包括绿色像素单元。
  10. 根据权利要求2所述的显示面板，其中，所述第二显示区中，多个像素单元包括与第一像素单元发相同颜色光的第三像素单元和与第二像素单元发相同颜色光的第四像素单元，其中，
    所述第三像素单元的第二部分的最小宽度为第三宽度，所述第四像素单元的第二部分的最小宽度为第四宽度，所述第一宽度、所述第三宽度、第四宽度均小于所述第二宽度。
  11. 根据权利要求10所述的显示面板，其中，所述第三像素单元的阳极边缘围成的图形与所述第三像素单元的发光部边缘围成的图形相同；所述第四像素单元的阳极边缘围成的图形与所述第四像素单元的发光部边缘围成的图形相同。
  12. 根据权利要求11所述的显示面板，其中，所述第三宽度与第四宽度相同。
  13. 根据权利要求11所述的显示面板，其中，所述触控层在对应所述第二显示区的位置设置有开口，所述第二显示区的像素单元的密度与所述第一显示区的像素单元的密度相同。
  14. 根据权利要求13所述的显示面板，其中，所述第三像素单元的发光部面积小于所述第一像素单元的发光部面积，所述第四像素单元的发光部面积小于所述第二像素单元的发光部面积。
  15. 一种显示装置，其中，包括：摄像头和显示面板，所述摄像头设置在对应所述第二显示区的所述显示面板的一侧，所述显示面板包括：
    阵列基板；
    多个像素单元，设置于所述阵列基板上，每个所述像素单元包括：依次层叠设置的阳极、发光部和阴极；
    封装层，设置于所述多个像素单元上；
    触控层，设置于所述封装层上；
    其中，所述显示面板包括有第一显示区和与所述第一显示区相邻设置的第二显示区，所述触控层在所述第一显示区的透光率小于其在所述第二显示区的透光率；
    所述第一显示区中，多个像素单元包括第一像素单元和第二像素单元，至少一个所述第二像素单元的阳极的边缘距其对应的发光部的边缘的最小距离，大于所述第一像素单元的阳极的边缘距其对应的发光部的边缘的最小距离。
  16. 根据权利要求15所述的显示装置，其中，每个所述像素单元的阳极包括与所述发光部重叠的第一部分和设置于所述第一部分外围的第二部分，每个所述第一像素单元对应的第二部分的最小宽度为第一宽度，每个所述第二像素单元对应的第二部分的最小宽度为第二宽度，至少一个所述第二像素单元的所述第二宽度大于所有的所述第一宽度。
  17. 根据权利要求16所述的显示装置，其中，所有所述第二像素单元的所述第二宽度均大于所有所述第一像素单元的所述第一宽度，或者，
    至少一个所述第二像素单元的所述第二宽度大于所有的所述第一宽度，且其他所述第二像素单元的所述第二宽度等于最大的所述第一宽度。
  18. 根据权利要求15所述的显示装置，其中，所述第一像素单元与所述第二像素单元发射不同颜色的光，所述第一像素单元的发光部的面积大于所述第二像素单元的发光部的面积。
  19. 根据权利要求18所述的显示装置，其中，所述第一像素单元包括红色像素单元和/或蓝色像素单元，所述第二像素单元包括绿色像素单元。
  20. 根据权利要求16所述的显示装置，其中，所述第二显示区中，多个像素单元包括与第一像素单元发相同颜色光的第三像素单元和与第二像素单元发相同颜色光的第四像素单元，其中，
    所述第三像素单元的第二部分的最小宽度为第三宽度，所述第四像素单元的第二部分的最小宽度为第四宽度，所述第一宽度、所述第三宽度、第四宽度均小于所述第二宽度。
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