US-20260130064-A1 - DISPLAY PANEL AND ELECTRONIC DEVICE

Abstract

Provided is a display panel including a substrate including a first opening which is defined in the substrate and extends in a first direction and a second opening which is defined in the substrate and extends in a second direction crossing the first direction, and a light-emitting diode disposed on the substrate. At least one of a first width of the first opening in the second direction or a second width of the second opening in the first direction ranges from about 6 micrometers to about 8 micrometers.

Inventors

• Hosik SHIN
• Hyejin JOO
• Myunghee Han
• Hyungsoo YOON

Assignees

• SAMSUNG DISPLAY CO., LTD.

Dates

Publication Date

20260507

Application Date

20250507

Priority Date

20241101

Claims (20)

1. 1 . A display panel comprising: a substrate comprising: a first opening which is defined in the substrate and extends in a first direction; and a second opening which is defined in the substrate and extends in a second direction crossing the first direction; and a light-emitting diode disposed on the substrate, wherein at least one of a first width of the first opening in the second direction or a second width of the second opening in the first direction ranges from about 6 micrometers to about 8 micrometers.
2. 2 . The display panel of claim 1 , wherein the substrate comprises: a plurality of first openings defined in the substrate; a plurality of second openings defined in the substrate; and a bridge portion between a first opening among the plurality of first openings and a second opening among the plurality of second openings.
3. 3 . The display panel of claim 2 , wherein: the bridge portion comprises a first bridge portion which extends in the first direction and a second bridge portion which extends in the second direction, and at least one of a length of the first bridge portion in the first direction or a length of the second bridge portion in the second direction ranges from about 17 micrometers to about 25 micrometers.
4. 4 . The display panel of claim 1 , wherein: the substrate comprises an island portion which is partially surrounded by the first opening and the second opening, and the light-emitting diode overlaps the island portion.
5. 5 . The display panel of claim 4 , further comprising an inorganic insulating layer which is arranged between the substrate and the light-emitting diode and overlaps the island portion, wherein a groove defined in the inorganic insulating layer overlaps the first opening or the second opening.
6. 6 . The display panel of claim 5 , wherein: the inorganic insulating layer has a shape which comprises a plurality of islands, and the plurality of islands are spaced apart from each other by the groove.
7. 7 . The display panel of claim 5 , wherein recesses defined in the inorganic insulating layer are adjacent to: opposite ends of the first opening; and opposite ends of the second opening.
8. 8 . The display panel of claim 1 , wherein: the first opening comprises an extension portion at one or more of a first end of the first opening and a second end of the first opening, wherein the second end is opposite the first end in the first direction, and a width of the extension portion is greater than the first width.
9. 9 . The display panel of claim 1 , wherein a width of an end of the first opening in the first direction is less than a width of a central portion of the first opening.
10. 10 . The display panel of claim 1 , wherein the first opening has a shape in which a central portion of the first opening in the first direction is recessed in the second direction.
11. 11 . A display panel comprising: a substrate comprising: a plurality of first openings which are defined in the substrate and extend in a first direction; a plurality of second openings which are defined in the substrate and extend in a second direction crossing the first direction; and a plurality of island portions which are each partially surrounded by one or more first openings of the plurality of first openings and one or more second openings of the plurality of second openings; and an inorganic insulating layer which is disposed on the substrate, wherein a groove defined in the inorganic insulating layer overlaps the plurality of first openings and the plurality of second openings, wherein the inorganic insulating layer has a shape which comprises a plurality of islands, and the plurality of islands are spaced apart from each other by the groove and overlap the plurality of island portions of the substrate.
12. 12 . The display panel of claim 11 , further comprising a plurality of light-emitting diodes which overlap each of the plurality of islands and are disposed on the substrate.
13. 13 . The display panel of claim 11 , wherein at least one of a first width of a first opening of the plurality of first openings in the second direction or a second width of a second opening of the plurality of second openings in the first direction ranges from about 6 micrometers to about 8 micrometers.
14. 14 . The display panel of claim 11 , wherein the substrate further comprises a bridge portion between a first opening among the plurality of first openings and a second opening among the plurality of second openings.
15. 15 . The display panel of claim 14 , wherein: the bridge portion comprises a first bridge portion which extends in a first direction and a second bridge portion which extends in a second direction, and at least one of a length of the first bridge portion in the first direction or a length of the second bridge portion in the second direction ranges from about 17 micrometers to about 25 micrometers.
16. 16 . The display panel of claim 14 , wherein at least some of the plurality of island portions of the substrate are connected to each other by the bridge portion.
17. 17 . The display panel of claim 11 , wherein recesses defined in the inorganic insulating layer are adjacent to: opposite ends of a first opening among the plurality of first openings; and opposite ends of a second opening among the plurality of second openings.
18. 18 . The display panel of claim 11 , wherein a second-direction width of a portion of a first opening among the plurality of first openings and a second-direction width of another portion of the first opening are different from one another.
19. 19 . The display panel of claim 18 , wherein a width of a first opening included among the plurality of first openings with reference to the second direction changes along the first direction.
20. 20 . The display panel of claim 18 , wherein: the substrate comprises an extension portion at opposite ends of the first opening, and a width of the extension portion is greater than a width of the first opening in the second direction.

Description

This application claims priority to Korean Patent Application No. 10-2024-0153715, filed on Nov. 1, 2024, and all the benefits accruing therefrom under 35 U.S.C. § 119, the content of which in its entirety is herein incorporated by reference. BACKGROUND 1. Field One or more embodiments relate to a display panel including a light-emitting diode, and an electronic device including the display panel. 2. Description of the Related Art With the advancement of display panels which visually display electrical signals, various display panels with excellent characteristics, such as, for example, thinness, light weight, and low power consumption, and electronic devices including such display panels have been introduced. For example, research has been actively conducted into display panels of various structures, such as, for example, flexible display panels which are foldable or rollable, or stretchable display panels, and electronic devices including the display panels. SUMMARY One or more embodiments include a high-resolution stretchable display panel. Additional aspects will be set forth in part in the description which follows and, in part, will be apparent from the description, or may be learned by practice of the presented embodiments of the disclosure. According to one or more embodiments, a display panel includes a substrate including a first opening which is defined in the substrate and extends in a first direction and a second opening which is defined in the substrate and extends in a second direction crossing the first direction, and a light-emitting diode disposed on the substrate, wherein at least one of a first width of the first opening in the second direction or a second width of the second opening in the first direction ranges from about 6 micrometers to about 8 micrometers. In an embodiment, the substrate may include a plurality of first openings defined in the substrate and a plurality of second openings defined in the substrate, and may further include a bridge portion between a first opening among the plurality of first openings and a second opening among the plurality of second openings. In an embodiment, the bridge portion may include a first bridge portion which extends in the first direction and a second bridge portion which extends in the second direction, and at least one of a length of the first bridge portion in the first direction or a length of the second bridge portion in the second direction ranges from about 17 micrometers to about 25 micrometers. In an embodiment, the substrate may include an island portion which is partially surrounded by the first opening and the second opening, and the light-emitting diode overlaps the island portion. In an embodiment, the display panel may further include an inorganic insulating layer which is arranged between the substrate and the light-emitting diode and overlaps the island portion, wherein a groove defined in the inorganic insulating layer overlaps the first opening or the second opening. In an embodiment, the inorganic insulating layer may have a shape which includes a plurality of islands, and the plurality of islands may be spaced apart from each other by the groove. In an embodiment, recesses defined in the inorganic insulating layer may be adjacent to opposite ends of the first opening and opposite ends of the second opening. In an embodiment, the first opening may include an extension portion at one or more of a first end of the first opening and a second end of the first opening, wherein the second end is opposite the first end in the first direction, and a width of the extension portion is greater than the first width. In an embodiment, a width of an end of the first opening in the first direction may be less than a width of a central portion of the first opening. In an embodiment, the first opening may have a shape in which a central portion of the first opening in the first direction is recessed in the second direction. According to one or more embodiments, a display panel includes a substrate having a plurality of first openings which are defined in the substrate and extend in a first direction and a plurality of second openings which are defined in the substrate and extend in a second direction crossing the first direction, the substrate including a plurality of island portions which are each partially surrounded by one or more first openings of the plurality of first openings and one or more second openings of, and an inorganic insulating layer which is disposed on the substrate, wherein a groove defined in the inorganic insulating layer overlaps the plurality of first openings and the plurality of second openings, wherein the inorganic insulating layer has a shape which includes a plurality of islands, and the plurality of islands are spaced apart from each other by the groove and overlap the plurality of island portions of the substrate. In an embodiment, the display panel may further include a plurality of light-emitting diodes