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KR-20260064845-A - DISPLAY PANEL AND ELECTRONIC DEVICE INCLUDING THEREOF

KR20260064845AKR 20260064845 AKR20260064845 AKR 20260064845AKR-20260064845-A

Abstract

The present invention provides a display panel comprising a substrate including a plurality of island portions and a plurality of bridge portions connecting adjacent island portions among the plurality of island portions, a display layer disposed on the substrate and including a plurality of pixels disposed on the plurality of island portions and a plurality of wirings disposed on the plurality of bridge portions, and a first protective layer covering the side of the substrate and the side of the display layer, wherein the first protective layer is disposed spaced apart from the pixels on a planar surface.

Inventors

  • 정수진
  • 최진우
  • 김혜란
  • 이강영

Assignees

  • 삼성디스플레이 주식회사

Dates

Publication Date
20260508
Application Date
20241029

Claims (20)

  1. A substrate comprising a plurality of island portions and a plurality of bridge portions connecting adjacent island portions among the plurality of island portions; A display layer disposed on the substrate and comprising a plurality of pixels disposed in the plurality of island portions and a plurality of wirings disposed in the plurality of bridge portions; and A first protective layer covering the side of the substrate and the side of the display layer; comprising A display panel in which the first protective layer is spaced apart from the pixel on a flat surface.
  2. In paragraph 1, The above substrate is, At least one base layer comprising an organic insulating material; and At least one barrier layer disposed on the above at least one base layer and comprising an inorganic insulating material; wherein A display panel in which the at least one barrier layer in a planar plane is spaced apart from the plurality of bridge portions.
  3. In paragraph 1, The above display layer is, Pixel circuits disposed in each of the above plurality of island sections; A first organic insulating layer disposed on the pixel circuit above; A first electrode pad and a second electrode pad disposed on the first organic insulating layer; and A display panel comprising: a light-emitting diode disposed on the first electrode pad and the second electrode pad.
  4. In paragraph 3, The above-mentioned display layer includes at least one inorganic insulating layer, and A display panel in which the at least one inorganic insulating layer is spaced apart from the bridge portion in a planar plane.
  5. In paragraph 3, Further comprising an encapsulation layer disposed on the light-emitting diode; and The first protective layer extends to cover the side of the sealing layer, forming a display panel.
  6. In paragraph 5, The first protective layer is a display panel that exposes the upper surface of the sealing layer.
  7. In paragraph 1, A display panel in which each of the above plurality of bridge parts has a wavy shape.
  8. In Paragraph 7, Each of the above plurality of bridge parts is, Two rounded portions having an inner edge and an outer edge; and A display panel comprising a connecting portion connecting the two round portions above.
  9. In paragraph 8, Each of the above plurality of bridge parts is, having a wiring area in which the above plurality of wirings are arranged, A display panel, wherein the wiring area is spaced apart from the outer edge by a first distance and spaced apart from the inner edge by a second distance greater than the first distance.
  10. In paragraph 8, A display panel further comprising: a second protective layer disposed between the inner edge and the first protective layer.
  11. In Paragraph 10, A display panel in which the modulus of the second protective layer is higher than the modulus of the first protective layer.
  12. In Paragraph 7, Each of the above plurality of bridge parts is, Two corner portions connected to a first portion extending in a first direction and a second portion extending in a second direction intersecting the first direction; and A display panel including a connecting part connecting the two corner parts above.
  13. In Paragraph 12, Each of the two corner sections above has an inner edge and an outer edge, A display panel further comprising: a second protective layer disposed between the inner edge and the first protective layer.
  14. In Paragraph 13, A display panel in which the modulus of the second protective layer is higher than the modulus of the first protective layer.
  15. In paragraph 1, A display panel comprising the first protective layer, which includes parylene, silicon oxide, or silicon nitride.
  16. A substrate comprising a plurality of island portions and a plurality of bridge portions connecting adjacent island portions among the plurality of island portions; Pixel circuits disposed in each of the above plurality of island sections; A first organic insulating layer disposed on the pixel circuit above; A first electrode pad and a second electrode pad disposed on the first organic insulating layer; A light-emitting diode disposed on the first electrode pad and the second electrode pad; A first protective layer extending from the upper surface of the first organic insulating layer to the side of the substrate and having openings corresponding to each of the first electrode pad and the second electrode pad; and A display panel comprising: a second protective layer disposed between the first protective layer and the side of the bridge portion.
  17. In Paragraph 16, The above substrate is, At least one base layer comprising an organic insulating material; and At least one barrier layer disposed on the above at least one base layer and comprising an inorganic insulating material; comprising A display panel in which the at least one barrier layer in a planar plane is spaced apart from the plurality of bridge portions.
  18. In Paragraph 16, Each of the above plurality of bridge parts is, Two rounded portions having an inner edge and an outer edge; and A display panel comprising a connecting portion connecting the two round portions above.
  19. In Paragraph 18, The second protective layer is a display panel disposed along the inner edge.
  20. In Paragraph 18, A display panel in which the modulus of the second protective layer is higher than the modulus of the first protective layer.

Description

Display panel and electronic device including the same The present invention relates to a display panel and an electronic device including the same, and more specifically, to a flexible display panel and an electronic device including the same. As display panels that visually display electrical signals advance, various electronic devices with excellent characteristics such as thinness, lightness, and low power consumption are being introduced. For example, electronic devices may include flexible display panels that can be folded or rolled into a roll shape. Recently, research and development on various electronic devices including stretchable display panels that can change into various shapes is actively underway. FIG. 1 is a schematic perspective view of a display panel according to one embodiment of the present invention. FIGS. 2A and FIGS. 2B are perspective views showing the display panel of FIG. 1 extended in a first direction. FIG. 2c is a perspective view showing the display panel of FIG. 1 extended in a second direction. FIG. 2d is a perspective view showing the display panel of FIG. 1 extended in the first direction and the second direction. FIG. 2e is a perspective view showing the display panel of FIG. 1 extended in a third direction. FIGS. 3a to 3c are each equivalent circuit diagrams of pixels included in a display panel according to one embodiment of the present invention. FIGS. 4a to 4c are schematic plan views showing the display area of a display panel according to one embodiment of the present invention. FIG. 5 is a cross-sectional view schematically illustrating a cross-section along line I-I' of the display panel of FIG. 4a. FIGS. 6a to 6e are cross-sectional views schematically showing a light-emitting diode of a display panel according to one embodiment of the present invention. FIG. 7 is a cross-sectional view schematically showing a part of the display area of a display panel according to one embodiment of the present invention. FIG. 8a is a schematic plan view showing a bridge portion of a display panel according to one embodiment of the present invention. FIG. 8b is a cross-sectional view schematically illustrating a cross-section along the line II-II' of the bridge portion of FIG. 8a. FIG. 9a is a schematic plan view showing a bridge portion of a display panel according to one embodiment of the present invention. FIG. 9b is a cross-sectional view schematically illustrating a cross-section along the line III-III' of the bridge portion of FIG. 9a. FIG. 10 is a schematic plan view showing the display area of a display panel according to one embodiment of the present invention. FIG. 11a is a cross-sectional view schematically showing a part of the display area of a display panel according to one embodiment of the present invention. FIG. 11b is a cross-sectional view schematically showing a part of the bridge portion of the display panel of FIG. 11a. FIG. 12 is a block diagram showing an electronic device including a display panel according to one embodiment of the present invention. FIGS. 13a to 13g are schematic perspective views illustrating embodiments of an electronic device including a display panel according to one embodiment of the present invention. The present invention is capable of various modifications and may have various embodiments; specific embodiments are illustrated in the drawings and described in detail in the detailed description. The effects and features of the present invention, and the methods for achieving them, will become clear by referring to the embodiments described below in detail together with the drawings. However, the present invention is not limited to the embodiments disclosed below but can be implemented in various forms. Hereinafter, embodiments of the present invention will be described in detail with reference to the attached drawings. When describing with reference to the drawings, identical or corresponding components are given the same reference numerals, and redundant descriptions thereof will be omitted. In this specification, terms such as first, second, etc. are used not in a limiting sense, but for the purpose of distinguishing one component from another. In this specification, singular expressions include plural expressions unless the context clearly indicates otherwise. In this specification, terms such as "include" or "have" mean that the features or components described in the specification exist, and do not preclude the possibility that one or more other features or components may be added. In this specification, when a part such as a film, region, or component is described as being on or above another part, it includes not only cases where it is immediately above the other part, but also cases where another film, region, or component is interposed therein. In this specification, when it is stated that a membrane, region, component, etc. is connected, it includes cases where the membrane, region, or component is directly connected,