WO2025190045A1 - 显示面板及电子设备 - Google Patents

显示面板及电子设备

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Publication number
WO2025190045A1
WO2025190045A1 PCT/CN2025/077869 CN2025077869W WO2025190045A1 WO 2025190045 A1 WO2025190045 A1 WO 2025190045A1 CN 2025077869 W CN2025077869 W CN 2025077869W WO 2025190045 A1 WO2025190045 A1 WO 2025190045A1
Authority
WO
WIPO (PCT)
Prior art keywords
pixel
sub
partition structure
width
display panel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/CN2025/077869
Other languages
English (en)
French (fr)
Inventor
杨智
唐杨玲
谢志生
梁琴
蒋晨晨
周秀峰
叶利丹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HKC Co Ltd
Original Assignee
HKC Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HKC Co Ltd filed Critical HKC Co Ltd
Publication of WO2025190045A1 publication Critical patent/WO2025190045A1/zh
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] 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

Definitions

  • the present application relates to the field of display panels, and in particular to a display panel and an electronic device.
  • OLED Organic Light Emitting Display
  • AMOLED active OLED display structures
  • PMOLED passive OLED display structures
  • FMM Fluorous Metal Mask
  • the present application provides a display panel and an electronic device, aiming to improve the resolution of the display panel and increase material utilization.
  • the present application adopts a technical solution: providing a display panel, comprising a driving substrate and a pixel definition layer provided on the driving substrate, wherein the pixel definition layer protrudes from the driving substrate to form a first pixel region and second pixel regions located on both sides of the first pixel region along a first direction; a first partition structure is provided between the first pixel region and the second pixel region, the first partition structure comprising a first main structure provided on a side of the pixel definition layer facing away from the substrate, and a first top structure located on an upper surface of the first main structure and shielding the first main structure; a portion of the first top structure extending beyond the upper surface of the first main structure is defined as a first overhang; and the display panel further comprises:
  • a third sub-pixel wherein the two second pixel regions are respectively provided with a third sub-pixel
  • a second partition structure comprising a second main structure disposed on a side of the pixel definition layer facing away from the substrate, and a second top structure located on an upper surface of the second main structure and shielding the second main structure; a portion of the second top structure extending beyond the upper surface of the second main structure is defined as a second overhang; the second partition structure is disposed between the first sub-pixel and the second sub-pixel; the first top structure and the second top structure each have a width direction, and the width of the second top structure is smaller than the width of the first top structure;
  • the first sub-pixel and the second sub-pixel are arranged at intervals along the second direction in the first pixel area; the first sub-pixel includes at least two first pixel units arranged at intervals along the first direction; the second sub-pixel includes at least two second pixel units arranged at intervals along the first direction; the first main structure is a conductive material, and the cathodes of the first pixel unit, the second pixel unit and the third sub-pixel are respectively connected to the first main structure; the first direction and the second direction are arranged at an angle.
  • first sub-pixels there are at least two groups of first sub-pixels, and two adjacent groups of first sub-pixels are spaced apart along the second direction; there are two groups of second sub-pixels, and the two groups of second sub-pixels are respectively arranged on both sides of the first sub-pixel along the second direction.
  • each third sub-pixel includes at least two third pixel units spaced apart along the second direction, each third pixel unit corresponds to at least one first pixel unit and at least one second pixel unit, and a cathode of the third pixel unit is connected to the first main structure; a second partition structure is further provided between the first pixel region and the second pixel region, and the second partition structure and the first partition structure are alternately provided along the second direction;
  • At least one third pixel unit is arranged corresponding to the first partition structure, and at least one third pixel unit is arranged corresponding to the second partition structure.
  • the second partition structure between the first sub-pixel and the second sub-pixel extends from one second pixel region to another second pixel region.
  • one of the first sub-pixel and the second sub-pixel is a green sub-pixel, and the other is a red sub-pixel, and an area of the green sub-pixel is larger than an area of the red sub-pixel.
  • the third sub-pixel is a blue sub-pixel; the second partition structure between the first pixel region and the second pixel region is staggered in the first direction;
  • the width of the green sub-pixel corresponding to the second partition structure is a first width
  • the width of the red sub-pixel corresponding to the second partition structure is a second width
  • the first width is greater than the second width
  • the width of the blue sub-pixel corresponding to the green sub-pixel of the first width is the third width
  • the width of the blue sub-pixel corresponding to the red sub-pixel of the second width is the fourth width
  • the third width is smaller than the fourth width
  • the width of the third pixel unit corresponding to the first partition structure is smaller than the width of the third pixel unit corresponding to the second partition structure; the length of the third pixel unit corresponding to the first partition structure is greater than the length of the third pixel unit corresponding to the second partition structure.
  • the third sub-pixel corresponds to at least one first pixel unit and at least one second pixel unit respectively; a second partition structure is further provided between the first pixel region and the second pixel region, and the second partition structure and the first partition structure are alternately arranged along the second direction;
  • Each third sub-pixel is partially arranged corresponding to the first partition structure and partially arranged corresponding to the second partition structure.
  • a first partition structure is further provided between the first sub-pixel and the second sub-pixel, and the second partition structure and the first partition structure between the first sub-pixel and the second sub-pixel are alternately arranged along the first direction;
  • Part of the first pixel units is arranged corresponding to the second partition structure, and part of the first pixel units is arranged corresponding to the second partition structure; the second main structure is made of conductive material, and the second main structure is connected to the first main structure.
  • the present application also provides an example of an electronic device, including a housing;
  • the display panel is installed in the housing.
  • the above scheme arranges the first sub-pixel and the second sub-pixel in the first pixel area, so that the first sub-pixel has at least two first pixel units spaced apart along the first direction, and the second sub-pixel has at least two second pixel units spaced apart in the first direction, so that the same sub-pixels in the minimum repeated display unit are adjacent, and the overhang structure in the first sub-pixel and the second sub-pixel can be removed, so that the corresponding sub-pixel spacing is not limited by the width of the overhang structure, the spacing between the same sub-pixels is reduced, the pixel opening area is increased, the pixel material utilization rate is improved, and the resolution of the panel is improved.
  • FIG1 is a schematic structural diagram of an example of a display panel and a display unit of the present application.
  • FIG2 is a cross-sectional view taken along line 1A-1A in FIG1 ;
  • FIG3 is a cross-sectional view taken along line 1B-1B in FIG1 ;
  • FIG4 is a schematic structural diagram of an example of a repeated state of multiple display units of the display panel in FIG1 ;
  • FIG5 is a schematic structural diagram of another example of a display panel and a display unit of the present application.
  • FIG6 is a structural diagram showing an example of a repeated state of multiple display units in FIG5;
  • FIG7 is a schematic structural diagram of another example of a display panel and a display unit of the present application.
  • FIG8 is a schematic diagram of an example of a connection state of the first overhanging portion and the second overhanging portion in FIG7;
  • FIG9 is a schematic structural diagram of an example of the second partition structure in FIG7 ;
  • FIG10 is a schematic structural diagram of an example of a repeated state of multiple display units of the display panel in FIG7;
  • FIG11 is a schematic structural diagram of another example of a display panel and a display unit of the present application.
  • FIG12 is a schematic structural diagram of an example of a repeated state of multiple display units of the display panel in FIG11;
  • FIG13 is a schematic structural diagram of another example of a display panel and a display unit of the present application.
  • FIG. 14 is a structural diagram illustrating an example of a repeated state of multiple display units of the display panel in FIG. 13 .
  • 100 display unit; 10, driving substrate; 11, pixel definition layer; 111, first pixel area; 112, second pixel area; 12, first partition structure; 121, first main body structure; 122, first overhang; 123, first top structure; 13, second partition structure; 131, first main body structure; 132, second overhang; 133, second top structure; 20, first sub-pixel; 21, first pixel unit; 30, second sub-pixel; 31, second pixel unit; 40, third sub-pixel; 41, third pixel unit; 500, display panel; 600, shell; a, first direction; b, second direction.
  • first and second are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as “first” and “second” may explicitly or implicitly include one or more features. In the description of the present application, “multiple” means two or more, unless otherwise clearly and specifically defined.
  • OLED display structures generally include active OLED display structures and passive OLED display structures.
  • the display structure generally has a substrate and a plurality of sub-pixels arranged on the substrate, each sub-pixel having a corresponding organic light-emitting material layer.
  • the display structure has a substrate, which can be a glass substrate; it can also be a flexible substrate, wherein the material of the flexible substrate is polyimide (PI).
  • the substrate has a driving side, and a driving circuit layer can be provided on the driving side of the substrate.
  • the driving circuit layer and the substrate are combined to form a driving substrate.
  • the driving circuit layer in the example of the present application can be a TFT circuit layer, which is used to drive the light-emitting layer of the OLED.
  • the specific TFT circuit layer includes a plurality of driving circuit units arranged in an array, and each driving circuit unit may include a thin film transistor (TFT) device and a capacitor. Each driving circuit unit corresponds to an anode electrode and a light-emitting layer.
  • the TFT device is a low-temperature polysilicon (LTPS) type or a metal-oxide semiconductor (MOS) type, such as a metal oxide semiconductor type of indium gallium zinc oxide (IGZO).
  • the light-emitting material layer in an active OLED includes an anode electrode, a light-emitting layer, and a cathode electrode, which are stacked in sequence.
  • the anode electrode can be placed on the side of the TFT circuit layer away from the substrate. Multiple anode electrodes are spaced apart and arranged on one side of the TFT circuit layer. For example, multiple anode electrodes are arranged in an array, and each anode electrode corresponds to and is electrically connected to a driving circuit unit in the TFT circuit layer.
  • the material of the anode electrode includes, but is not limited to, chromium, titanium, gold, silver, copper, aluminum, ITO, combinations thereof, or other suitable conductive materials.
  • the light-emitting layer is used to emit red, blue, or green light when powered.
  • the light-emitting layer may include one or more of a HIL (Hole Injection Layer), a HTL (Hole Transfer Layer), an EML (Emitting Layer), and an ETL (Electron Transfer Layer).
  • the cathode electrode is placed on the side of the light-emitting layer away from the anode electrode.
  • the material of the cathode electrode includes, but is not limited to, chromium, titanium, gold, silver, copper, aluminum, ITO, combinations thereof, or other suitable conductive materials.
  • the material of the cathode layer electrode can be the same as or different from that of the anode electrode, depending on the actual situation.
  • a filling layer and a cover plate can also be provided on the side of the cathode layer electrode facing away from the substrate, wherein the cover plate can be a glass cover plate or other materials.
  • the panels produced have defects such as low resolution and low utilization rate of organic light-emitting materials, making them unable to be used in AR (Augmented Reality) and VR (Virtual Reality).
  • photolithographic OLED can retain the advantage of high uniformity of evaporation while removing the limitations of FMM.
  • Pixel lithography is usually completed with an overhang structure to shorten the distance between pixels and increase the pixel opening area.
  • the overhang structure is affected by the evaporation angle and the cathode overlap, and its width cannot be shortened to the limit, so the pixel opening area also has an upper limit.
  • the width of the overhang structure is reduced or even the overhang structure is removed, thereby reducing the pixel pitch, thereby increasing the pixel opening area, improving the resolution of the panel and the utilization rate of the organic light-emitting material, and also facilitating the use of the display panel in devices such as AR or VR.
  • the present application discloses an example of a display panel 500, including a driving substrate 10 and a pixel definition layer 11 provided on the driving substrate 10, wherein the pixel definition layer 11 protrudes from the driving substrate 10 to form a first pixel region 111 and second pixel regions 112 located on both sides of the first pixel region 111 along a first direction a; a first partition structure 12 is provided between the first pixel region 111 and the second pixel region 112, the first partition structure 12 including a first main structure 121 provided on a side of the pixel definition layer 11 facing away from the substrate and a first top structure 123 located on an upper surface of the first main structure 121 and shielding the first main structure 121; and a first top structure 123 is provided to limit the first top structure 123 from extending out of the first main structure 121.
  • the display panel 500 also includes a first sub-pixel 20, a second sub-pixel 30 and a third sub-pixel 40; the two second pixel areas 112 are respectively provided with a third sub-pixel 40; wherein, the first sub-pixel 20 and the second sub-pixel 30 are arranged at intervals along the second direction b in the first pixel area 111; the first sub-pixel 20 includes at least two first pixel units 21 arranged at intervals along the first direction a; the second sub-pixel 30 includes at least two second pixel units 31 arranged at intervals along the first direction a; the first main structure 121 is a conductive material, and the cathodes of the first pixel unit 21, the second pixel unit 31 and the third sub-pixel 40 are respectively connected to the first main structure; the first direction a and the second direction b are arranged at an angle.
  • the driving substrate 10 may include a glass substrate and a driving circuit layer as described above.
  • the driving substrate 10 has a display side, and the pixel definition layer 11 is arranged on the display side of the driving substrate 10.
  • the pixel definition layer 11 forms a plurality of spaced-apart protruding structures on the display side of the driving substrate 10, and the plurality of protruding structures define a first pixel area 111 and a second pixel area 112, wherein the second pixel area 112 is arranged on both sides of the first pixel area 111 along the first direction a.
  • the pixel definition layer 11 in this example can be made of an organic material, such as polyimide, etc.; the pixel definition layer 11 can also be made of an inorganic material, such as silicon oxide (SiO2), silicon nitride (Si3N4), silicon oxynitride (SiON), magnesium fluoride (MgF2) or a combination thereof.
  • the first partition structure 12 in this example can be a conductive material.
  • a first pixel region 111 and two second pixel regions 112 can form a display unit 100.
  • the first pixel region 111 can be the region between the two first partition structures 12 in the display unit 100.
  • the second pixel regions 112 are arranged on both sides of the first pixel region 111 along the first direction a.
  • the third sub-pixel 40 has a distal end away from the first pixel region 111 along the first direction a.
  • the second pixel region 112 can be the region between the first partition structure 12 and the distal end of the corresponding third sub-pixel 40.
  • the second pixel region 112 can also be the region between the first partition structure 12 and the outer side of the distal end of the corresponding third sub-pixel 40.
  • the second pixel region 112 from the first partition structure 12 to the distal end of the third sub-pixel 40 is used as an example to illustrate.
  • the display unit 100 in this example can be a repeated display unit 100.
  • the multiple repeated display units can be arranged in an array, with the second pixel regions 112 of two adjacent display units arranged adjacent to each other.
  • the display unit 100 is arranged in a rectangular shape.
  • the first sub-pixel 20, the second sub-pixel 30, and the third sub-pixel 40 can be arranged in a rectangular shape.
  • a first sub-pixel 20 and a second sub-pixel 30 are provided in the first pixel region 111.
  • the first sub-pixel 20 and the second sub-pixel 30 are spaced apart along a second direction b.
  • the first direction a and the second direction b are arranged at an angle.
  • the first direction a and the second direction b may be arranged perpendicular to each other.
  • the first pixel unit 21 may be made of one of RGB organic light-emitting materials
  • the second pixel unit 31 may be made of another of RGB organic light-emitting materials.
  • the first sub-pixel 20 includes at least two first pixel units 21, which are spaced apart along a first direction a.
  • the second sub-pixel 30 includes at least two second pixel units 31, which are spaced apart along the first direction a, so that the first pixel region 111 has multiple pixel units of the same color.
  • a third sub-pixel 40 is disposed within each of the two second pixel regions 112.
  • the third sub-pixel 40 can be made of one of the following organic light-emitting materials: RGB.
  • no partitioning structure is provided between blue sub-pixels; the cathodes of adjacent blue sub-pixels can be connected to form a single structure; no partitioning structure is provided between adjacent red sub-pixels; the cathodes of adjacent red sub-pixels can be connected to form a single structure; and no partitioning structure is provided between adjacent green sub-pixels; the cathodes of adjacent green sub-pixels can be connected to form a single structure.
  • the first pixel unit 21 can be a red sub-pixel made of a red organic light-emitting material
  • the second pixel unit 31 can be a green sub-pixel made of a green organic light-emitting material
  • the third sub-pixel 40 can be a blue sub-pixel made of a blue organic light-emitting material.
  • the repeated display units formed by the display units 100 in this example are combined with each other to form a display panel 500.
  • the third sub-pixels 40 of adjacent display units 100 are arranged adjacent to each other. Since the third sub-pixels 40 of adjacent display units 100 are made of the same organic light-emitting material, an overhang structure may not be set between the third sub-pixels 40 of adjacent display units 100.
  • a first partition structure 12 is provided between the first pixel region 111 and the second pixel region 112.
  • the first partition structure 12 includes a first main structure 121 and a first top structure 123, wherein the first main structure 121 may be made of a conductive material.
  • the first main structure 121 has a distal end away from the drive substrate 10, and a first top structure 123 is provided on the distal end of the first main structure 121.
  • the first top structure 123 shields the first main structure 121, and the portion of the first top structure 123 extending from the upper surface of the first main structure 121 is a first overhang 122.
  • the first main structure 121 can connect the cathodes of the first pixel unit 21, the second pixel unit 31, and the third sub-pixel 40, so that the cathodes of the multiple sub-pixels have the same potential.
  • the overhang structure between identical pixel units within the first pixel region 111 can be eliminated. Consequently, the spacing between adjacent first pixel units 21 and the spacing between adjacent second pixel units 31 are no longer restricted by the width of the overhang structure, reducing the spacing between identical pixel units and increasing the opening area of the first sub-pixel 20 and the second sub-pixel 30, thereby improving material utilization and extending product life. Furthermore, the second partition structure is no longer restricted by the cathode wire resistance requirements of the first sub-pixel 20, the second sub-pixel 30, and the third sub-pixel 40.
  • the width of the gaps between the first sub-pixel 20, the second sub-pixel 30, and the third sub-pixel 40 can be reduced, thereby shortening the spacing between the different sub-pixels and increasing the pixel opening area.
  • the third sub-pixels 40 of the multiple display units 100 are arranged adjacently, thereby reducing the width of the gaps between the third sub-pixels 40 of adjacent display units 100 and increasing the opening area of the third sub-pixels 40.
  • the number of pixels can be increased, thereby improving the resolution of the display unit 100.
  • the width of the gaps between adjacent first pixel units 21 and adjacent second pixel units 31 can be reduced in this example, when the display unit 100 is used in a display panel 500, it is convenient to integrate the display unit 100 into an AR or VR device, thereby improving the resolution of the AR or VR device and enhancing the display performance of the AR or VR device.
  • the second main structure 131 has a distal end away from the drive substrate 10, and the second top structure 133 is disposed at the distal end of the second main structure 131.
  • the second main structure 131 can serve to isolate different sub-pixels from each other. Referring to FIG. 1 and FIG. 4 , when multiple display units 100 are arranged in an array to form a display panel 500, a second partition structure 13 may be provided between sub-pixels of different colors in adjacent display units 100.
  • the second main structure 131 is made of an insulating material, so that the second overhang 132 is used to partition different sub-pixels, thereby improving the packaging effect of the display unit 100.
  • the width d2 of the second top structure 133 is less than the width d1 of the first top structure 123 to minimize the width of the second top structure 133.
  • the second top structure 133 can meet the photolithography requirements.
  • the sub-pixel opening can be increased, thereby improving the display performance of the display panel 500.
  • the number of first sub-pixels 20 is at least two groups, and two adjacent groups of first sub-pixels 20 are arranged at intervals along the second direction b; the number of second sub-pixels 30 is at least two groups, and the two groups of second sub-pixels 30 are respectively arranged on both sides of the first sub-pixel 20 along the second direction b.
  • first partition structure 12 can be extended along the second direction b.
  • the display unit 100 is provided with the second partition structure 13 described in the above examples. The second partition structure 13 can be arranged on both sides of the first sub-pixel 20 along the second direction b to separate the first sub-pixel 20 from the second sub-pixel 30, also facilitating the formation of the display unit 100.
  • each first sub-pixel 20 in this example includes at least two first pixel units 21 and each second sub-pixel 30 includes at least two second pixel units 31, increasing the number of first sub-pixels 20 and second sub-pixels 30 can improve the resolution of the display unit 100.
  • each third sub-pixel 40 includes at least two third pixel cells 41 spaced apart along the second direction b.
  • Each third pixel cell 41 corresponds to at least one first pixel cell 21 and at least one second pixel cell 31, respectively.
  • the first main structure 121 is connected to the cathode of the third pixel cell 41.
  • the first partition structure 12 can extend along the second direction b to separate the first pixel region 111 from the second pixel region 112.
  • the first main structure 121 also separates the third pixel cell 41, the second pixel cell 31, and the first pixel cell 21.
  • each third pixel cell 41 corresponds to at least one first pixel cell 21 and the second pixel cell 31, the first partition structure 12 can be provided between the first pixel cell 21, the second pixel cell 31, and the third pixel cell 41 to provide isolation.
  • the first main structure 121 can also be better connected to the cathodes of the first pixel cell 21, the second pixel cell 31, and the third pixel cell 41, thereby ensuring that the cathodes of the first pixel cell 21, the second pixel cell 31, and the third pixel cell 41 in the display unit 100 are at the same potential.
  • the number of pixels within the second pixel region 112 can be increased, thereby improving the resolution of the display unit 100.
  • the third sub-pixels 40 in this example are provided in the second pixel region 112, when multiple display units 100 are combined to form a display panel 500, the third sub-pixels 40 of adjacent display units 100 are adjacently arranged, and an overhanging structure that separates the third pixel units 41 of adjacent display units 100 can be omitted. This improves the aperture ratio of the display panel 500 and the resolution of the display panel 500.
  • a second partition structure 13 is further provided between the first pixel region 111 and the second pixel region 112, and the second partition structure 13 and the first partition structure are alternately arranged along the second direction b; wherein at least one third pixel unit 41 is arranged corresponding to the first partition structure 12, and at least one third pixel unit 41 is arranged corresponding to the second partition structure 13.
  • the width of the overhang structure is reduced, thereby improving the aperture ratio of the display unit 100; on the other hand, by using the alternating first partition structure 12 and the second partition structure 13, the two partition structures can be more evenly distributed, thereby improving the stability of the cathode signal.
  • the second partition structure 13 between the first sub-pixel 20 and the second sub-pixel 30 extends from one of the second pixel regions 112 to the other second pixel region 112.
  • the second partition structure 13 is disposed between the first sub-pixel 20 and the second sub-pixel 30.
  • the second partition structure 13 between the first sub-pixel 20 and the second sub-pixel 30 isolates the first sub-pixel 20 from the adjacent second sub-pixel 30 along the second direction b.
  • one of the first sub-pixel 20 and the second sub-pixel 30 is a green sub-pixel, and the other is a red sub-pixel, and the area of the green sub-pixel is larger than the area of the red sub-pixel.
  • the length of the green sub-pixel along the second direction b is larger than the length of the red sub-pixel along the second direction b.
  • the area of the green sub-pixel can be compensated by making the area of the green sub-pixel relatively larger. That is, in this example, the area of the green sub-pixel can be compensated by changing the second partition structure 13.
  • the width of the second partition structure corresponding to the green sub-pixel is smaller than that of the red sub-pixel.
  • the reduced width of the second partition structure 13 compensates for the width of the green sub-pixel, thereby making the area of the green sub-pixel larger than that of the red sub-pixel.
  • the third sub-pixel 40 is a blue sub-pixel
  • the second partition structure 13 between the first pixel region 111 and the second pixel region 112 is staggered in the first direction a.
  • the second partition structure 13 between the first pixel region 111 and the second pixel region 112 is staggered in the first direction a, such that the second partition structure 13 between the first pixel region 111 and the second pixel region 112 is segmented.
  • portions of the second partition structure 13 are offset toward the corresponding blue sub-pixel, causing the width of the first pixel region 111 between the first partition structure 12 and the second partition structure 13 to vary along the first direction a.
  • the width of the second partition structure 13 between the first pixel region 111 and the second pixel region 112 along the first direction a can vary, thereby causing the second partition structure 13 between the first pixel region 111 and the second pixel region 112 to be misaligned.
  • the second partition structures 13 between the first pixel region 111 and the second pixel region 112 can be staggered relative to each other along the second direction b, thereby causing the second partition structure 13 between the first pixel region 111 and the second pixel region 112 to be misaligned.
  • the width of the green sub-pixel corresponding to the second partition structure 13 is a first width 9a
  • the width of the red sub-pixel corresponding to the second partition structure 13 is a second width 9b
  • the first width 9a is greater than the second width 9b
  • the second partition structure 13 is the second partition structure between the first pixel region and the second pixel region.
  • the first width 9a and the second width 9b are the widths of the corresponding regions of the green and red sub-pixels along the second direction b.
  • the width of the green sub-pixel corresponding to the second partition structure 13 along the first direction a is a first width 9a
  • the width of the red sub-pixel corresponding to the second partition structure 13 along the first direction a is a second width 9b, wherein the first width 9a is greater than the second width 9b, so that on the premise that the lengths of the green sub-pixel and the red sub-pixel along the second direction b are the same, the width of the green sub-pixel along the first direction a is greater than the width of the red sub-pixel along the first direction a, thereby increasing the width of the green sub-pixel in the corresponding area in the first direction a to compensate for the area of the green sub-pixel, thereby improving the problem of easy attenuation of the green sub-pixel.
  • the difference from the previous example is that the width of the blue sub-pixel corresponding to the green sub-pixel of the first width 9a is a third width 9c, and the width of the blue sub-pixel corresponding to the red sub-pixel of the second width 9b is a fourth width 9d, where the third width 9c is smaller than the fourth width 9d.
  • the third width 9c and the fourth width 9d are the widths of the blue sub-pixels along the first direction a at the corresponding positions of the blue sub-pixels.
  • the widths of the areas of the blue sub-pixels corresponding to the second partition structure 13 differ along the first direction a.
  • the widths of the blue sub-pixels corresponding to the green sub-pixels are the third width 9c, and the widths of the blue sub-pixels corresponding to the red sub-pixels are the fourth width 9d.
  • the areas of the blue sub-pixels corresponding to the red sub-pixels can have a larger width to compensate for the width vacated by the areas of the blue sub-pixels corresponding to the green sub-pixels, to compensate for the area of the blue sub-pixels, and to compensate for the issue of blue sub-pixels being easily attenuated.
  • the first width 9a is greater than the second width 9b, and the third width 9c is less than the fourth width 9d, so as to compensate for both the blue sub-pixel and the green sub-pixel.
  • the width of the third pixel unit 41 corresponding to the first partition structure 12 is smaller than the width of the third pixel unit 41 corresponding to the second partition structure 13, so that when the width of the first top structure 123 is greater than the width of the second top structure 133, the areas of the third pixel unit 41 corresponding to the first partition structure 12 and the third pixel unit 41 corresponding to the second partition structure 13 can be controlled so that the areas of the third pixel units 41 are close to or equal, thereby making the third pixel units 41 at different positions have close or equal effective light-emitting areas.
  • the difference from the previous example is that the length of the third pixel unit 41 corresponding to the first partition structure 12 is greater than the length of the third pixel unit 41 corresponding to the second partition structure 13, so that when the width of the first top structure 123 is greater than the width of the second top structure 133, the areas of the third pixel unit 41 corresponding to the first partition structure 12 and the third pixel unit 41 corresponding to the second partition structure 13 can be controlled so that the areas of the third pixel units 41 are close to or equal, and thus the third pixel units 41 at different positions have close or equal effective light-emitting areas.
  • the width of the third pixel unit 41 corresponding to the first partition structure 12 is smaller than the width of the third pixel unit 41 corresponding to the second partition structure 13, and the length of the third pixel unit 41 corresponding to the first partition structure 12 is greater than the length of the third pixel unit 41 corresponding to the second partition structure 13.
  • the third sub-pixel 40 corresponds to at least one first pixel unit 21 and at least one second pixel unit 31, respectively.
  • a second partition structure 13 is further provided between the first pixel region 111 and the second pixel region 112, with the second partition structure 13 alternating with the first partition structure along the second direction b.
  • Each third sub-pixel 40 is partially provided corresponding to the first partition structure 12 and partially provided corresponding to the second partition structure 13.
  • the first partition structure 12 can extend along the second direction b to separate the first pixel region 111 from the second pixel region 112, and the first partition structure 12 can be used to separate the third sub-pixel 40, the second pixel unit 31, and the first pixel unit 21.
  • each third sub-pixel 40 in this example can correspond to at least one first pixel unit 21 and at least one second pixel unit 31, it is convenient to provide the first partition structure 12 between the first pixel unit 21, the second pixel unit 31, and the third sub-pixel 40 for isolation.
  • the width of the third sub-pixel 40 corresponding to the first top structure 123 is smaller than the width of the third sub-pixel 40 corresponding to the second top structure 133.
  • the areas of the third sub-pixel 40 corresponding to the first partition structure 12 and the third sub-pixel 40 corresponding to the second partition structure 13 can be controlled so that the areas of the third sub-pixels 40 are close to or equal, thereby ensuring that the third sub-pixels 40 at different locations have close to or equal effective light-emitting areas.
  • the multiple display units 100 in the display panel 500 can be arranged in an array, with the third pixel units 41 of adjacent display units 100 arranged correspondingly.
  • a first partition structure 12 is further provided between the first sub-pixel 20 and the second sub-pixel 30.
  • the second partition structure 13 and the first partition structure 12 between the first sub-pixel 20 and the second sub-pixel 30 are alternately arranged along the first direction a; wherein, some first pixel units 21 are arranged corresponding to the second partition structure 13, and some first pixel units 21 are arranged corresponding to the second partition structure 13; the second main structure of the second partition structure 13 is made of a conductive material, and the second main structure is connected to the first main structure.
  • the cathodes of the first pixel unit 21 and the second pixel unit 31 can both be connected to the first main structure 121, and the cathodes of the first pixel unit 21 and the second pixel unit 31 can form the same potential.
  • the multiple display units 100 in the display panel 500 can be distributed in an array, and the third sub-pixels 40 of adjacent display units 100 are set accordingly.
  • a second partition structure 13 can be set between the different color sub-pixels of adjacent display units 100 to isolate different sub-pixels from each other.
  • the present application selects partition structures of different widths, and sets the positions of the first partition structure 12 and the second partition structure 13 in accordance with the specific pixel arrangement.
  • the first partition structure 12 with a larger width can be used to achieve electrical connection of the cathodes of the pixel units on both sides thereof. That is to say, the first partition structure 12 with a larger width can meet the requirements of the evaporation angle of the cathode, so that the cathode and the first main structure 121 have a larger overlapping area; while the first partition structure 12 with a smaller width does not need to play the role of overlapping the cathode, but it can provide a larger area for the pixel unit.
  • each cathode is electrically connected to another cathode through the first main structure 121 on at least one side, or is directly connected to the cathode of another sub-pixel of the same color on at least one side as an integrated structure. Therefore, all cathodes can still be electrically connected as a whole cathode network, thereby sharing the same cathode voltage.
  • the examples of the display panel 500 of the present application include all the examples of the above-mentioned display structure and all the technical effects of the examples of the above-mentioned display structure, so they will not be repeated.
  • This application also provides an example of an electronic device, including a housing 600 and a display panel 500 as described in any of the above examples, wherein the display panel 500 is mounted on the housing 600.
  • the housing 600 in this example can be a housing of the electronic device, or an external component on the electronic device for mounting the display panel 500.
  • the electronic device in this example can be an AR/VR device, and the display panel 500 can be used as a display module of the AR/VR device.
  • the examples of the electronic device in this application include all the examples of the above-mentioned display panel and all the technical effects of the examples of the above-mentioned display panel, so they will not be repeated.

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Abstract

本申请公开了一种显示面板以及电子设备，其中，显示面板包括驱动基板和设于所述驱动基板上的像素定义层，像素定义层凸出于驱动基板以形成第一像素区以及位于第一像素区沿第一方向上的两侧的第二像素区；第一像素区和第二像素区之间具有第一隔断结构；显示面板还包括第一子像素、第二子像素以及第三子像素；两第二像素区分别设有第三子像素；其中，第一子像素和第二子像素在第一像素区沿第二方向间隔设置；第一子像素包括至少两个沿第一方向上间隔设置的第一像素单元；本申请示例可以缩小相同子像素间距，增大像素开口面积，提升像素材料利用率，提高面板的分辨率。

Description

显示面板及电子设备
本申请要求于2024年03月15日提交中国专利局、申请号为2024103062520、发明名称为“显示面板及电子设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及领域显示面板，特别是涉及一种显示面板及电子设备。
背景技术
OLED(Organic Light Emitting Display，有机发光显示器)包括有源OLED显示结构(AMOLED)和无源OLED显示结构(PMOLED)。AMOLED量产中最常见的是FMM(Fine Metal Mask，精细金属掩膜)蒸镀和喷墨打印技术。由于各自固有的限制，两种技术存在PPI(pixels per inch，图像分辨率)低、材料利用率低等缺陷。
技术问题
本申请提供一种显示面板及电子设备，旨在提升显示面板的分辨率，提高材料利用率。
技术解决方案
为实现上述技术效果，本申请采用的一个技术方案是：提供一种显示面板，包括驱动基板和设于驱动基板上的像素定义层，像素定义层凸出于驱动基板以形成第一像素区以及位于第一像素区沿第一方向上的两侧的第二像素区；第一像素区和第二像素区之间具有第一隔断结构，第一隔断结构包括设于像素定义层背离基板一侧的第一主体结构以及位于第一主体结构的上表面且遮挡第一主体结构的第一顶部结构；限定第一顶部结构延伸出第一主体结构的上表面的部分为第一悬垂部；显示面板还包括：
第一子像素；
第二子像素；
第三子像素，两第二像素区分别设有第三子像素；
第二隔断结构，第二隔断结构包括设于像素定义层背离基板一侧的第二主体结构以及位于第二主体结构的上表面且遮挡第二主体结构的第二顶部结构；限定第二顶部结构延伸出第二主体结构的上表面的部分为第二悬垂部；第一子像素和第二子像素之间设有第二隔断结构；第一顶部结构和第二顶部结构分别具有宽度方向，第二顶部结构的宽度小于第一顶部结构的宽度；
其中，第一子像素和第二子像素在第一像素区沿第二方向间隔设置；第一子像素包括至少两个沿第一方向上间隔设置的第一像素单元；第二子像素包括至少两个沿第一方向间隔设置的第二像素单元；第一主体结构为导电材质，第一像素单元、第二像素单元以及第三子像素的阴极分别连接第一主体结构；第一方向与第二方向呈夹角设置。
在一些示例中，第一子像素的数量为至少两组，相邻两组第一子像素沿第二方向呈间隔设置；第二子像素的数量为两组，两组第二子像素分别设于第一子像素沿第二方向上的两侧。
在一些示例中，每一第三子像素包括至少两个沿第二方向间隔设置的第三像素单元，每一第三像素单元分别对应至少一第一像素单元和至少一第二像素单元，第三像素单元的阴极连接第一主体结构；第一像素区和第二像素区之间还设有第二隔断结构，第二隔断结构与第一隔断结构沿第二方向交替设置；
其中，至少一第三像素单元对应第一隔断结构设置，至少一第三像素单元对应第二隔断结构设置。
在一些示例中，第一子像素和第二子像素之间的第二隔断结构自其中一第二像素区延伸至另一第二像素区设置。
在一些示例中，第一子像素和第二子像素中的一者为绿色子像素，另一者为红色子像素，绿色子像素的面积大于红色子像素的面积。
在一些示例中，第三子像素为蓝色子像素；第一像素区和第二像素区之间的第二隔断结构在第一方向上呈错位设置；
沿第一方向，对应第二隔断结构的绿色子像素的宽度为第一宽度，对应第二隔断结构的红色子像素的宽度为第二宽度，第一宽度大于第二宽度；
沿第一方向上，与第一宽度的绿色子像素对应的蓝色子像素的宽度为第三宽度，与第二宽度的红色子像素对应的蓝色子像素的宽度为第四宽度；第三宽度小于第四宽度。
在一些示例中，对应第一隔断结构的第三像素单元的宽度小于对应第二隔断结构的第三像素单元的宽度；对应第一隔断结构的第三像素单元的长度大于对应第二隔断结构的第三像素单元的长度。
在一些示例中，第三子像素分别对应至少一第一像素单元和至少一第二像素单元；第一像素区和第二像素区之间还设有第二隔断结构，第二隔断结构与第一隔断结构沿第二方向交替设置；
其中，每一第三子像素部分对应第一隔断结构设置，部分对应第二隔断结构设置。
在一些示例中，第一子像素和第二子像素之间还设有第一隔断结构，第一子像素和第二子像素之间的第二隔断结构和第一隔断结构沿第一方向呈交替设置；
其中，部分第一像素单元对应第二隔断结构设置，部分第一像素单元对应第二隔断结构设置；第二主体结构为导电材质，第二主体结构与第一主体结构相连接。
本申请还提出一种电子设备的示例，包括壳体；以及
如上述任一项所述的显示面板，显示面板安装于壳体。
有益效果
以上方案，通过在第一像素区内设置第一子像素和第二子像素，使第一子像素具有沿第一方向上间隔设置的至少两个第一像素单元，第二子像素在第一方向上间隔设置的至少两个第二像素单元，使最小重复的显示单元中的相同子像素相邻，可以去掉第一子像素和第二子像素内的悬垂结构，从而使对应子像素间距不受悬垂结构的宽度限制，缩小相同子像素间距，增大像素开口面积，提升像素材料利用率，提高面板的分辨率。
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是本申请显示面板一显示单元一示例的结构示意图；
图2是图1中1A-1A向的剖视图；
图3是图1中1B-1B向的剖视图；
图4是图1中显示面板多显示单元重复状态一示例的结构示意图；
图5是本申请显示面板一显示单元另一示例的结构示意图；
图6是图5中显示多显示单元重复状态一示例的结构示意图；
图7是本申请显示面板一显示单元又一示例的结构示意图；
图8是图7中第一悬垂部与第二悬垂部一示例的连接状态示意图；
图9是图7中第二隔断结构一示例的结构示意图；
图10是图7中显示面板多显示单元重复状态一示例的结构示意图；
图11是本申请显示面板一显示单元再一示例的结构示意图；
图12是图11中显示面板多显示单元重复状态一示例的结构示意图；
图13是本申请显示面板一显示单元还一示例的结构示意图；
图14是图13中显示面板多显示单元重复状态一示例的结构示意图。
其中，100、显示单元；10、驱动基板；11、像素定义层；111、第一像素区；112、第二像素区；12、第一隔断结构；121、第一主体结构；122、第一悬垂部；123、第一顶部结构；13、第二隔断结构；131、第一主体结构；132、第二悬垂部；133、第二顶部结构；20、第一子像素；21、第一像素单元；30、第二子像素；31、第二像素单元；40、第三子像素；41、第三像素单元；500、显示面板；600、壳体；a、第一方向；b、第二方向。
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。
在本申请的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”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，仅是为了便于描述本申请和简化描述，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申请的限制。此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个特征。在本申请的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
在本申请中，“示例性”一词用来表示“用作例子、例证或说明”。本申请中被描述为“示例性”的任何实施例不一定被解释为比其它实施例更优选或更具优势。为了使本领域任何技术人员能够实现和使用本申请，给出了以下描述。在以下描述中，为了解释的目的而列出了细节。应当明白的是，本领域普通技术人员可以认识到，在不使用这些特定细节的情况下也可以实现本申请。在其它实例中，不会对公知的结构和过程进行详细阐述，以避免不必要的细节使本申请的描述变得晦涩。因此，本申请并非旨在限于所示的实施例，而是与符合本申请所公开的原理和特征的最广范围相一致。
本申请示例中所述的多个是指至少两个(包括两个)。
OLED显示结构(以下简称显示结构)通常包括有源OLED显示结构和无源OLED显示结构。显示结构一般具有基板以及设于基板上的多个子像素，每个子像素分别具有对应的有机发光材料层。显示结构具有基板，基板可以为玻璃基板；也可以为柔性基板，其中，柔性基板的材料为聚酰亚胺(PI)。基板具有驱动侧，基板的驱动侧可以设置驱动电路层，驱动电路层与基板组合形成驱动基板。本申请示例中的驱动电路层可以为TFT电路层，TFT电路层用于对OLED的发光层进行驱动。具体TFT电路层包括多个阵列排布的驱动电路单元，每个驱动电路单元可以包括薄膜晶体管(TFT)器件和电容。每个驱动电路单元对应一个阳极电极以及一个发光层。TFT器件为低温多晶硅(Low Temperature Poly-silicon，LTPS)型、或者金属氧化物半导体(Metal-Oxide Semiconductor，MOS)型，例如铟镓锌氧化物(IGZO)的金属氧化物半导体型。
有源OLED中的发光材料层包括依次层叠设置的阳极电极、发光层和阴极层电极。阳极电极可以置于TFT电路层远离基板的一侧表面。阳极电极为多个且间隔设置于TFT电路层的一侧表面。例如，多个阳极电极阵列排布，且各阳极电极与TFT电路层中的驱动电路单元一一对应并电连接。阳极电极的材料包括但不限于铬、钛、金、银、铜、铝、ITO、它们的组合或其他合适的导电材料。发光层用于在通电时发射红光、蓝光或绿光。发光层可包括HIL(Hole Injection Layer，空穴注入层)、HTL(Hole Transfer Layer，空穴传输层)、EML(Emitting Layer，发射层)和ETL(Electron Transfer Layer，电子转移层)中的一种或多种。阴极层电极设置于发光层远离阳极电极的一侧，阴极层电极的材料包括但不限于铬、钛、金、银、铜、铝、ITO、它们的组合或其他合适的导电材料。阴极层电极的材料可以与阳极电极的材料相同，也可以不相同，具体根据实际情况进行设定。在阴极层电极背离基板的一侧，还可以设置填充层和盖板，其中盖板可以为玻璃盖板或其他材质。
在显示面板制作过程中，由于FMM蒸镀和喷墨打印技术的固有缺陷，制作的面板存在分辨率低、有机发光材料利用率低等缺陷，使其无法运用到AR(Augmented Reality，增强现实)以及VR(Virtual Reality，虚拟现实技术)中。
在一些情形下，光刻OLED可以保留蒸镀均一性高的优点，同时可以解除FMM的限制，通常搭配悬垂结构完成像素的光刻，以缩短像素间距离，增大像素开口面积。悬垂结构受蒸镀角度以及阴极搭接的影响，其宽度无法极限缩短，因此像素开口面积也有上限。本申请示例中通过改善像素排布，并第一悬垂部，以缩小悬垂结构的宽度甚至是去除悬垂结构，进而降低像素间距，从而提升像素开口面积，提高面板的分辨率和有机发光材料的利用率，也可以便于将显示面板用于AR或VR等设备中。
请参阅图1、图2、图3以及图4，本申请示例公开了一种显示面板500，包括驱动基板10和设于驱动基板10上的像素定义层11，像素定义层11凸出于驱动基板10以形成第一像素区111以及位于第一像素区111沿第一方向a上的两侧的第二像素区112；第一像素区111和第二像素区112之间具有第一隔断结构12，第一隔断结构12包括设于像素定义层11背离基板一侧的第一主体结构121以及位于第一主体结构121的上表面且遮挡第一主体结构121的第一顶部结构123；限定第一顶部结构123延伸出第一主体结构121的上表面的部分为第一悬垂部122；显示面板500还包括第一子像素20、第二子像素30以及第三子像素40；两第二像素区112分别设有第三子像素40；其中，第一子像素20和第二子像素30在第一像素区111内沿第二方向b间隔设置；第一子像素20包括至少两个沿第一方向a上间隔设置的第一像素单元21；第二子像素30包括至少两个沿第一方向a间隔设置的第二像素单元31；第一主体结构121为导电材质，第一像素单元21、第二像素单元31以及第三子像素40的阴极分别连接第一主体结构；第一方向a与第二方向b呈夹角设置。
驱动基板10可以包括玻璃基板和如上述所述的驱动电路层。驱动基板10具有显示侧，像素定义层11设置于驱动基板10的显示侧。像素定义层11在驱动基板10的显示侧形成多个间隔设置的凸出结构，多个凸出结构之间限定出第一像素区111和第二像素区112，其中，第二像素区112设置于第一像素区111沿第一方向a上的两侧。本示例中的像素定义层11可以为有机材料制成，例如，聚酰亚胺等；像素定义层11也可以为无机材料制成，例如氧化硅(SiO2)、氮化硅(Si3N4)、氮氧化硅(SiON)、氟化镁(MgF2)或它们的组合。本示例中的第一隔断结构12可以为导电材质。
本申请示例中的一个第一像素区111和两个第二像素区112可以形成一显示单元100，第一像素区111可以为显示单元100中两第一隔断结构12之间的区域，第二像素区112设置在第一像素区111沿第一方向a上的两侧，第三子像素40具有沿第一方向a上远离第一像素区111的远端，第二像素区112可以为第一隔断结构12和对应第三子像素40的远端之间的区域，第二像素区112也可以为第一隔断结构12和对应第三子像素40的远端外侧之间的区域，本申请示例中以第二像素区112自第一隔断结构12至第三子像素40的远端为例进行阐述。本示例中的显示单元100可以作为一个重复的显示单元100，当将多个显示单元100组合形成一显示面板500时，可以将多个重复的显示单元呈阵列排布，相邻两显示单元的第二像素区112邻近设置。本示例中可选地，显示单元100呈矩形设置。进一步可选地，本申请示例中的第一子像素20、第二子像素30以及第三子像素40可以呈矩形设置。
第一像素区111内设置有第一子像素20和第二子像素30，第一子像素20和第二子像素30沿第二方向b呈间隔设置，本示例中的第一方向a与第二方向b呈夹角设置，可选地，本示例中的第一方向a可以与第二方向b相垂直设置。第一像素单元21可以为RGB有机发光材料中的一种，第二像素单元31可以为RGB有机发光材料中的另一种。
在第一像素区111内，第一子像素20包括至少两个第一像素单元21，多个第一像素单元21沿第一方向a呈间隔设置；第二子像素30包括至少两个第二像素单元31，多个第二像素单元31沿第一方向a呈间隔设置，以使第一像素区111内具有多个同色的像素单元。在两个第二像素区112内分别设置有第三子像素40，第三子像素40可以为RGB有机发光材料中的一种；在一些示例中，蓝色子像素之间不设置隔断结构，可以将相邻蓝色子像素的阴极连接成为一体结构；相邻红色子像素之间不设置隔断结构，可以将相邻红色子像素的阴极连接成为一体结构；相邻绿色子像素之间不设置隔断结构，可以将相邻绿色子像素的阴极连接成为一体结构。可选地，本示例中的第一像素单元21可以为红色有机发光材料制成的红色子像素，第二像素单元31可以为绿色有机发光材料制成的绿色子像素，第三子像素40可以为蓝色有机发光材料制成的蓝色子像素。
请结合参阅图4，将本示例中的显示单元100所形成的重复的显示单元相互组合形成显示面板500，相邻显示单元100的第三子像素40相邻设置，由于相邻的显示单元100的第三子像素40为相同有机发光材料制成，在相邻的显示单元100的第三子像素40之间可以不设置悬垂结构。
本示例中的第一像素区111和第二像素区112之间设置有第一隔断结构12，第一隔断结构12包括第一主体结构121和第一顶部结构123，其中，第一主体结构121可以为导电材质。第一主体结构121具有远离驱动基板10的远端，在第一主体结构121的远端上具有第一顶部结构123，第一顶部结构123遮挡第一主体结构121，第一顶部结构123延伸出第一主体结构121的上表面的部分为第一悬垂部122。本示例中的第一主体结构121可以连接第一像素单元21、第二像素单元31以及第三子像素40的阴极，以使多个子像素的阴极具有相同电位。
本示例中由于单个显示单元100中的第一像素区111相同像素单元相邻设置，一方面可以去掉第一像素区111内相同像素单元之间的悬垂结构，进而使相邻第一像素单元21之间的间距、相邻第二像素单元31之间的间距不受悬垂结构宽度限制，缩小相同像素单元间距，增大第一子像素20和第二子像素30的开口面积，提高材料的利用率，增加产品寿命；另一方面，第二隔断结构可以不受第一子像素20、第二子像素30以及第三子像素40的阴极导线电阻的要求限制，第一子像素20、第二子像素30以及第三子像素40之间的间隙的宽度可以降低，从而缩短不同子像素间的间距，增大像素开口面积。在将多个显示单元100组合形成显示面板500时，多个显示单元100的第三子像素40相邻设置，进而可以缩小相邻显示单元100的第三子像素40之间的间隙的宽度，增大第三子像素40开口面积。本示例中通过设置至少两个第一像素单元21、至少两个第二像素单元31，并在两个第二像素区112分别设置第三子像素40，可以增加像素数量，提升显示单元100的分辨率。由于本示例中可以缩小相邻第一像素单元21以及相邻第二像素单元31之间的间隙的宽度，当将显示单元100用于显示面板500中时，便于将显示单元100集成于AR或VR设备，提升AR或VR设备的分辨率，提高AR或VR设备的显示性能。
请结合参阅图1和图3，显示面板500还包括第二隔断结构13，第二隔断结构13包括设于像素定义层11背离基板一侧的第二主体结构131以及位于第二主体结构131的上表面且遮挡第二主体结构131的第二顶部结构133；限定第二顶部结构133延伸出第二主体结构131的上表面的部分为第二悬垂部132；第一子像素20和第二子像素30之间具有第二隔断结构13。本示例中的第二隔断结构13设置在第一子像素20和第二子像素30之间，可以用于提升显示单元100的封装效果；第二主体结构131具有远离驱动基板10的远端，第二顶部结构133设置在第二主体结构131的远端，第二主体结构131可以起到将不同的子像素相互隔断的作用。请结合参阅图1和图4，可选地，在将多个显示单元100阵列排布形成显示面板500时，相邻的显示单元100的不同颜色的子像素之间可以设置第二隔断结构13。在一些示例中，第二主体结构131为绝缘材料制成，以使第二悬垂部132用于隔断不同的子像素，以提升显示单元100的封装效果。
请结合参阅图2和图3，在一些示例中，第一顶部结构123和第二顶部结构133分别具有宽度方向，第二顶部结构133的宽度d2小于第一顶部结构123的宽度d1。以如图1中所示为例，第一顶部结构123的宽度方向为图1中的a方向，第一顶部结构123的长度方向为图1中的b方向；第二顶部结构133的宽度方向为图1中的b方向，第二顶部结构133的长度方向为图1中的a方向。本示例中第二顶部结构133的宽度d2小于第一顶部结构123的宽度d1，以使第二顶部结构133的宽度尽可能减小，以第二顶部结构133为光刻形成为例，第二顶部结构133可以满足光刻要求即可。本示例中通过减小第二顶部结构133的宽度d2，可以增大子像素的开口，提升显示面板500的显示性能。
请参阅图5和图6，在一些示例中，第一子像素20的数量为至少两组，相邻两组第一子像素20沿第二方向b呈间隔设置；第二子像素30的数量为至少两组，两组第二子像素30分别设于第一子像素20沿第二方向b上的两侧。
如图5中所示，多组第一子像素20沿第二方向b呈间隔设置，多组第二子像素30设置在第一子像素20沿第二方向b上的两侧，以使第一像素区111内形成第二子像素30靠近第一像素区111在第二方向b上的边缘位置的排布方式，以便于第一子像素20和第二子像素30的成型。本申请示例中可以将第一隔断结构12沿第二方向b延伸设置。在一些示例中，显示单元100设置有上述实例中所述的第二隔断结构13，第二隔断结构13可以设置在第一子像素20沿第二方向b上的两侧，以将第一子像素20和第二子像素30隔断，也方便显示单元100的成型。
本示例中通过设置至少两组第一子像素20，并且将多组第二子像素30沿第二方向b设置在第一子像素20的两侧，以使单个显示单元100中，两个第一子像素20邻近设置，在相邻第一子像素20之间，可以不设置悬垂结构进行隔断，进而可以简化显示单元100的结构，提升显示单元100的开口率，相应提升显示单元100的显示性能。本示例中多个显示单元100组合形成显示面板500时，相邻显示单元100的第二子像素30可以相邻设置，在相邻显示单元100的第二子像素30之间可以不设置悬垂结构，有助于提升显示面板500的开口率。由于本示例中每一第一子像素20包含至少两个第一像素单元21，每一第二子像素30包含至少两个第二像素单元31，通过增加第一子像素20和第二子像素30的数量，可以提高显示单元100的分辨率。
请继续参阅图4和图5，每一第三子像素40包括至少两个沿第二方向b间隔设置的第三像素单元41，每一第三像素单元41分别对应至少一第一像素单元21和至少一第二像素单元31，第一主体结构121连接第三像素单元41的阴极。本示例中第一隔断结构12可以沿第二方向b延伸设置，以将第一像素区111和第二像素区112隔断开，并通过第一主体结构121隔断第三像素单元41、第二像素单元31和第一像素单元21。由于本示例中每一第三像素单元41分别对应至少一第一像素单元21和第二像素单元31，可以便于在第一像素单元21、第二像素单元31与第三像素单元41之间设置第一隔断结构12进行隔断，第一主体结构121也可以更好地与第一像素单元21、第二像素单元31以及第三像素单元41的阴极连接，以使显示单元100中的第一像素单元21、第二像素单元31以及第三像素单元41的阴极形成等电位。本示例中通过使每一第三子像素40内设置多个第三像素单元41，可以增加第二像素区112内的像素数量，进而可以提升显示单元100的分辨率。由于本示例中的第三子像素40设置在第二像素区112，在将多个显示单元100组合形成显示面板500时，相邻显示单元100的第三子像素40邻近设置，相邻显示单元100的第三像素单元41之间可以不设置隔断结构的悬垂结构，进而可以提升显示面板500的开口率，同时可以提升显示面板500的分辨率。
请参阅图7和图8，在一些示例中，第一像素区111和第二像素区112之间还设有第二隔断结构13，第二隔断结构13与第一隔断结构沿第二方向b交替设置；其中，至少一第三像素单元41对应第一隔断结构12设置，至少一第三像素单元41对应第二隔断结构13设置。本示例中通过使第一隔断结构12和第二隔断结构13沿第二方向b交替设置，一方面通过使第一顶部结构123和第二顶部结构133具有不同的宽度，以减小悬垂结构的宽度，进而可以提升显示单元100的开口率；另一方面，通过采用交替设置的第一隔断结构12和第二隔断结构13，可以使两种隔断结构分布更加均匀，以提升阴极信号的稳定性。
在一些示例中，第一子像素20和第二子像素30之间的第二隔断结构13自其中一第二像素区112延伸至另一第二像素区112设置。本示例中的第一子像素20和第二子像素30之间设置有第二隔断结构13，位于第一子像素20和第二子像素30之间的第二隔断结构13沿第二方向b将第一子像素20和紧邻的第二子像素30之间相互隔断。
在一些示例中，第一子像素20和第二子像素30中的一者为绿色子像素，另一者为红色子像素，绿色子像素的面积大于红色子像素的面积。例如，绿色子像素沿第二方向b上的长度大于红色子像素的沿第二方向b上的长度；由于绿色相比红色更容易衰减，本示例中通过使绿色子像素的面积相对更大，可以用于补偿绿色子像素。也就是说，本示例中可以通过改变第二隔断结构13来补偿绿色子像素的面积，具体的，相比于与红色子像素，对应绿色子像素的第二隔断结构的宽度更小，第二隔断结构13缩小的宽度来补偿绿色子像素的宽度，从而使得绿色子像素的面积大于红色子像素的面积。
请参阅图9，在一些示例中，第三子像素40为蓝色子像素，第一像素区111和第二像素区112之间的第二隔断结构13在第一方向a上呈错位设置。第一像素区111和第二像素区112之间的第二隔断结构13在第一方向a上呈错位设置，使得第一像素区111和第二像素区112之间的第二隔断结构13呈分段形式，本示例中可选地，部分第二隔断结构13向靠近对应侧的蓝色子像素方向偏移，第一隔断结构12和第二隔断结构13之间的第一像素区111的沿第一方向a上的宽度产生变化。本示例中可以为第一像素区111和第二像素区112之间的第二隔断结构13沿第一方向a上的宽度本身产生变化，以使第一像素区111和第二像素区112之间的第二隔断结构13产生错位，也可以为第一像素区111和第二像素区112之间的第二隔断结构13沿第二方向b上相互错开分布，以使第一像素区111和第二像素区112之间的第二隔断结构13产生错位。本示例中可选地，沿第一方向a，对应第二隔断结构13的绿色子像素的宽度为第一宽度9a，对应第二隔断结构13的红色子像素的宽度为第二宽度9b，第一宽度9a大于第二宽度9b，本示例中的第二隔断结构13为第一像素区和第二像素区之间的第二隔断结构。本示例中的第一宽度9a和第二宽度9b为绿色子像素和红色子像素对应区域沿第二方向b上的宽度。对应第二隔断结构13的绿色子像素沿第一方向a上的宽度为第一宽度9a，对应第二隔断结构13的红色子像素沿第一方向a上的宽度为第二宽度9b，其中，第一宽度9a大于第二宽度9b，以使绿色子像素和红色子像素沿第二方向b上的长度一致的前提下，绿色子像素沿第一方向a上的宽度大于红色子像素沿第一方向a上的宽度，进而在第一方向a上增大对应区域的绿色子像素的宽度，以补偿绿色子像素的面积，进而改善绿色子像素容易衰减的问题。
在一些示例中，与上一示例的不同之处在于，与第一宽度9a的绿色子像素对应的蓝色子像素的宽度为第三宽度9c，与第二宽度9b的红色子像素对应的蓝色子像素的宽度为第四宽度9d，第三宽度9c小于第四宽度9d。本示例中的第三宽度9c和第四宽度9d为蓝色子像素对应位置处沿第一方向a上的宽度。蓝色子像素对应第二隔断结构13的区域在第一方向a上的宽度存在差异，其中，对应绿色子像素的蓝色子像素的宽度为第三宽度9c，对应红色子像素的蓝色子像素的宽度为第四宽度9d，使得蓝色子像素对应绿色子像素的部位可以让出一定的位置；蓝色子像素对应红色子像素的部位可以具有更大的宽度，以补偿蓝色子像素对应绿色子像素区域所让出的宽度，以补偿蓝色子像素的面积，以补偿蓝色子像素容易衰减的问题。
在一些示例中，上述第一宽度9a大于第二宽度9b，并且第三宽度9c小于第四宽度9d，以同时补偿蓝色子像素和绿色子像素。
在一些示例中，对应第一隔断结构12的第三像素单元41的宽度小于对应第二隔断结构13的第三像素单元41的宽度，以在第一顶部结构123的宽度大于第二顶部结构133的宽度时，可以控制对应第一隔断结构12的第三像素单元41和对应第二隔断结构13的第三像素单元41的面积，以使第三像素单元41的面积接近或相等，进而使不同位置的第三像素单元41具有接近或相等的有效发光面积。
在一些示例中，与上一示例不同之处在于，对应第一隔断结构12的第三像素单元41的长度大于对应第二隔断结构13的第三像素单元41的长度，以在第一顶部结构123的宽度大于第二顶部结构133的宽度时，可以控制对应第一隔断结构12的第三像素单元41和对应第二隔断结构13的第三像素单元41的面积，以使第三像素单元41的面积接近或相等，进而使不同位置的第三像素单元41具有接近或相等的有效发光面积。
在一些示例中，对应第一隔断结构12的第三像素单元41的宽度小于对应第二隔断结构13的第三像素单元41的宽度，并且，对应第一隔断结构12的第三像素单元41的长度大于对应第二隔断结构13的第三像素单元41的长度。
请结合参阅图10、图11和图12，在一些示例中，第三子像素40分别对应至少一第一像素单元21和至少一第二像素单元31；第一像素区111和第二像素区112之间还设有第二隔断结构13，第二隔断结构13与第一隔断结构沿第二方向b交替设置；其中，每一第三子像素40部分对应第一隔断结构12设置，部分对应第二隔断结构13设置。本示例中第一隔断结构12可以沿第二方向b延伸设置，以将第一像素区111和第二像素区112隔断开，并通过第一隔断结构12隔断第三子像素40、第二像素单元31和第一像素单元21。由于本示例中每一第三子像素40能够分别对应至少一个第一像素单元21和至少一个第二像素单元31，可以便于在第一像素单元21、第二像素单元31与第三子像素40之间设置第一隔断结构12进行隔断。在一些示例中，对应第一顶部结构123的第三子像素40的宽度小于对应第二顶部结构133的第三子像素40的宽度，以在第一顶部结构123的宽度d1大于第二顶部结构133的宽度d2时，可以控制对应第一隔断结构12的第三子像素40和对应第二隔断结构13的第三子像素40的面积，以使第三子像素40的面积接近或相等，进而使不同位置的第三子像素40具有接近或相等的有效发光面积。本示例中将多个显示单元100组合形成显示面板500时，显示面板500中的多个显示单元100可以呈阵列分布，相邻显示单元100的第三像素单元41对应设置。
请结合参阅图13和图14，在一些示例中，第一子像素20和第二子像素30之间还设有第一隔断结构12，第一子像素20和第二子像素30之间的第二隔断结构13和第一隔断结构12沿第一方向a呈交替设置；其中，部分第一像素单元21对应第二隔断结构13设置，部分第一像素单元21对应第二隔断结构13设置；第二隔断结构13的第二主体结构为导电材质，第二主体结构与第一主体结构相连接。本示例中通过在第一子像素20和第二子像素30之间设置第一隔断结构12，第二隔断结构13与第一隔断结构12相邻设置，以使第一像素单元21和第二像素单元31的阴极均可以连接于第一主体结构121上，第一像素单元21和第二像素单元31的阴极能够形成等电位。本示例中将多个显示单元100组合形成显示面板500时，显示面板500中的多个显示单元100可以呈阵列分布，相邻显示单元100的第三子像素40对应设置，相邻显示单元100的不同颜色子像素之间可以设置第二隔断结构13，以将不同子像素相互隔断。
综上所述，本申请选用不同宽度的隔断结构，并配合具体的像素排列方式设置第一隔断结构12和第二隔断结构13的位置。如此，可以利用宽度较大的第一隔断结构12实现其相对两侧的像素单元的阴极的电连接，也就是说，宽度较大的第一隔断结构12可以满足阴极的蒸镀角的要求，从而使得阴极与第一主体结构121具有较大的搭接面积；而宽度较小的第一隔断结构12无需起到搭接阴极的作用，但其可以为像素单元提供更大的面积。需要说明的是，虽然第二隔断结构13的设置使得部分相邻阴极之间并没有通过第一主体结构121电连接起来，但每个阴极至少在一侧与另一个阴极通过第一主体结构121电连接，或者至少在一侧直接与另一个同色的子像素的阴极连接为一体结构，因此，所有阴极在整体上还是可以电连接为一个整体的阴极网络，从而共享相同的阴极电压。
可以理解的是，本申请显示面板500的示例中包含上述显示结构的全部示例，也包含上述显示结构的示例的全部技术效果，故不再重复阐述。
本申请还提出一种电子设备的示例，包括壳体600以及如上述任一示例中所述的显示面板500，显示面板500安装于壳体600。本示例中的壳体600可以为电子设备的外壳，也可以电子设备上用于安装显示面板500的外组件。本示例中的电子设备可以为AR/VR设备，显示面板500可以用于AR/VR设备的显示模组。
可以理解的是，本申请电子设备的示例中包含上述显示面板的全部示例，也包含上述显示面板的示例的全部技术效果，故不再重复阐述。
以上所述仅为本申请的实施方式，并非因此限制本申请的专利范围，凡是利用本申请说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本申请的专利保护范围内。

Claims (20)

  1. 一种显示面板，包括驱动基板和设于所述驱动基板上的像素定义层，其中，所述像素定义层凸出于所述驱动基板以形成第一像素区以及位于第一像素区沿第一方向上的两侧的第二像素区；所述第一像素区和所述第二像素区之间具有第一隔断结构，所述第一隔断结构包括设于所述像素定义层背离所述基板一侧的第一主体结构以及位于所述第一主体结构的上表面且遮挡所述第一主体结构的第一顶部结构；限定所述第一顶部结构延伸出所述第一主体结构的上表面的部分为第一悬垂部；所述显示面板还包括：
    第一子像素；
    第二子像素；
    第三子像素，两所述第二像素区分别设有所述第三子像素；以及
    第二隔断结构，所述第二隔断结构包括设于所述像素定义层背离所述基板一侧的第二主体结构以及位于所述第二主体结构的上表面且遮挡所述第二主体结构的第二顶部结构；限定所述第二顶部结构延伸出所述第二主体结构的上表面的部分为第二悬垂部；所述第一子像素和所述第二子像素之间设有所述第二隔断结构；所述第一顶部结构和所述第二顶部结构分别具有宽度方向，所述第二顶部结构的宽度小于所述第一顶部结构的宽度；
    其中，所述第一子像素和所述第二子像素在所述第一像素区沿第二方向间隔设置；所述第一子像素包括至少两个沿所述第一方向上间隔设置的第一像素单元；所述第二子像素包括至少两个沿所述第一方向间隔设置的第二像素单元；所述第一主体结构为导电材质，所述第一像素单元、所述第二像素单元以及所述第三子像素的阴极分别连接所述第一主体结构；所述第一方向与所述第二方向呈夹角设置。
  2. 如权利要求1所述的显示面板，其中，所述第一子像素的数量为至少两组，相邻两组所述第一子像素沿所述第二方向呈间隔设置；
    所述第二子像素的数量为至少两组，所述第二子像素分别设于所述第一子像素沿所述第二方向上的两侧。
  3. 如权利要求1所述的显示面板，其中，每一所述第三子像素包括至少两个沿所述第二方向间隔设置的第三像素单元，每一所述第三像素单元分别对应至少一所述第一像素单元和至少一所述第二像素单元，所述第三像素单元的阴极连接所述第一主体结构；所述第一像素区和所述第二像素区之间还设有所述第二隔断结构，所述第二隔断结构与所述第一隔断结构沿所述第二方向交替设置；
    其中，至少一所述第三像素单元对应所述第一隔断结构设置，至少一所述第三像素单元对应所述第二隔断结构设置。
  4. 如权利要求3所述的显示面板，其中，所述第一子像素和所述第二子像素之间的所述第二隔断结构自其中一所述第二像素区延伸至另一所述第二像素区设置。
  5. 如权利要求3所述的显示面板，其中，所述第一子像素为绿色子像素，所述第二子像素为红色子像素，所述绿色子像素的面积大于所述红色子像素的面积。
  6. 如权利要求5所述的显示面板，其中，所述第三子像素为蓝色子像素；所述第一像素区和所述第二像素区之间的所述第二隔断结构在所述第一方向上呈错位设置；
    沿所述第一方向，对应所述第二隔断结构的所述绿色子像素的宽度为第一宽度，对应所述第二隔断结构的红色子像素的宽度为第二宽度，所述第一宽度大于所述第二宽度；
    沿所述第一方向上，与所述第一宽度的所述绿色子像素对应的所述蓝色子像素的宽度为第三宽度，与所述第二宽度的所述红色子像素对应的所述蓝色子像素的宽度为第四宽度；所述第三宽度小于所述第四宽度。
  7. 如权利要求3所述的显示面板，其中，对应所述第一隔断结构的所述第三像素单元的宽度小于对应所述第二隔断结构的所述第三像素单元的宽度；对应所述第一隔断结构的所述第三像素单元的长度大于对应所述第二隔断结构的所述第三像素单元的长度。
  8. 如权利要求7所述的显示面板，其中，所述第三子像素的面积接近或相等，不同位置的所述第三子像素具有接近或相等的有效发光面积。
  9. 如权利要求2或3所述的显示面板，其中，所述第三子像素分别对应至少一所述第一像素单元和至少一所述第二像素单元；所述第一像素区和所述第二像素区之间还设有所述第二隔断结构，所述第二隔断结构与所述第一隔断结构沿所述第二方向交替设置；
    其中，每一所述第三子像素部分对应所述第一隔断结构设置，部分对应所述第二隔断结构设置。
  10. 如权利要求9所述的显示面板，其中，所述第一子像素和所述第二子像素之间还设有所述第一隔断结构，所述第一子像素和所述第二子像素之间的所述第二隔断结构和所述第一隔断结构沿所述第一方向呈交替设置；
    其中，部分所述第一像素单元对应第二隔断结构设置，部分所述第一像素单元对应第二隔断结构设置；所述第二主体结构为导电材质，所述第二主体结构与所述第一主体结构相连接。
  11. 如权利要求1至10中的任一项所述的显示面板，其中，一个所述第一像素区和两个所述第二像素区形成一显示单元。
  12. 如权利要求11所述的显示面板，其中，当将多个所述显示单元组合形成一所述显示面板时，将多个重复的所述显示单元呈阵列排布。
  13. 如权利要求12所述的显示面板，其中，相邻两所述显示单元的所述第二像素区邻近设置。
  14. 如权利要求12或13所述的显示面板，其中，所述显示单元呈矩形设置。
  15. 如权利要求12至14中的任一项所述的显示面板，其中，所述第一子像素、所述第二子像素以及所述第三子像素呈矩形设置。
  16. 如权利要求12至15中的任一项所述的显示面板，其中，在相邻的所述显示单元的所述第三子像素之间不设置悬垂结构。
  17. 如权利要求12至15中的任一项所述的显示面板，其中，相邻所述显示单元的不同颜色子像素之间设置所述第二隔断结构，以将不同子像素相互隔断。
  18. 如权利要求1至9中的任一项所述的显示面板，其中，相邻的所述显示单元的不同颜色的子像素之间设置所述第二隔断结构，所述第二主体结构为绝缘材料制成。
  19. 如权利要求1至10中的任一项所述的显示面板，其中，所述第一方向与所述第二方向相垂直设置。
  20. 一种电子设备，其中，包括：
    壳体；以及
    如权利要求1至19中的任一项所述的显示面板，所述显示面板安装于所述壳体。
PCT/CN2025/077869 2024-03-15 2025-02-18 显示面板及电子设备 Pending WO2025190045A1 (zh)

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