Display device with substrate comprising an opening

Patent metadata

Field	Value
Publication number	US-11456440-B2
Application number	US-202017130762-A
Country	US
Kind code	B2
Filing date	Dec 22, 2020
Priority date	Aug 30, 2018
Publication date	Sep 27, 2022
Grant date	Sep 27, 2022

Abstract

A display device includes: a substrate that includes an opening and a display area that surrounds the opening; a plurality of grooves formed in the substrate between the opening and the display area; a display element layer on the substrate and that includes a plurality of display elements in the display area; a thin-film encapsulation layer disposed on the display element layer, the thin-film encapsulation layer including a first inorganic encapsulation layer, an organic encapsulation layer, and a second inorganic encapsulation layer which are sequentially stacked; a planarization layer disposed over the plurality of grooves and that includes an organic insulating material, wherein the planarization layer is disposed over the second inorganic encapsulation layer, and the organic encapsulation layer is disposed below the second inorganic encapsulation layer.

First claim

What is claimed is:

1. A display device, comprising:
a substrate that includes an opening, a display area that surrounds the opening, and a non-display area between the opening and the display area;
a plurality of light-emitting diodes arranged in the display area;
an encapsulation layer that covers the plurality of light-emitting diodes, the encapsulation layer comprising a first inorganic encapsulation layer, an organic encapsulation layer on the first inorganic encapsulation layer, and a second inorganic encapsulation layer on the organic encapsulation layer;
a planarization layer over the encapsulation layer in the non-display area;
an input sensing layer that includes an insulating layer and a plurality of touch electrodes, wherein a portion of the insulation layer of the input sensing layer overlaps the planarization layer in the non-display area; and
a camera below the substrate,
wherein a portion of the planarization layer overlaps a portion of the organic encapsulation layer in the non-display area, and
wherein the camera overlaps the opening in a plan view.

2. The display device of claim 1 , further comprising:
a partition wall disposed in the non-display area,
wherein a portion of the second inorganic encapsulation layer is in direct contact with a portion of the first inorganic encapsulation layer over the partition wall.

3. The display device of claim 1 , further comprising:
a plurality of grooves arranged spaced from each other in the non-display area, each of the plurality of grooves surrounding the opening,
wherein at least one of the plurality of grooves comprises:
a pair of tips, each protruding toward each other with a gap; and
a recess under the pair of tips, the recess being overlapped by the gap of the pair of tips, wherein a width of the gap between the pair of tips is less than a width of an upper portion of the recess,
wherein the first inorganic encapsulation layer covers bottom surfaces of the pair of tips and an inner surface of the recess, and
the second inorganic encapsulation layer is in direct contact with the first inorganic encapsulation layer under the pair of tips.

4. The display device of claim 3 , wherein the plurality of grooves comprises a first groove that has a width that is different from a width of a second groove that is between the first groove and the opening.

5. A display device, comprising:
a substrate that includes an opening, a display area that surrounds the opening, and a non-display area between the opening and the display area;
a plurality of light-emitting diodes arranged in the display area;
an encapsulation layer that covers the plurality of light-emitting diodes, the encapsulation layer comprising a first inorganic encapsulation layer, an organic encapsulation layer on the first inorganic encapsulation layer, and a second inorganic encapsulation layer on the organic encapsulation layer;
a planarization layer disposed over the encapsulation layer in the non-display area;
an input sensing layer that includes an insulating layer and a plurality of touch electrodes, wherein a portion of the insulating layer of the input sensing layer overlaps the planarization layer in the non-display area; and
a camera in the opening,
wherein a portion of the planarization layer overlaps a portion of the organic encapsulation layer in the non-display area,
wherein the camera overlaps the opening in a side view.

6. The display device of claim 5 , further comprising:
a partition wall disposed in the non-display area,
wherein a portion of the second inorganic encapsulation layer is in direct contact with a portion of the first inorganic encapsulation layer over the partition wall.

7. The display device of claim 5 , further comprising:
a plurality of grooves arranged spaced from each other in the non-display area, each of the plurality of grooves surrounding the opening,
wherein at least one of the plurality of grooves comprises:
a pair of tips, each protruding toward each other with a gap; and
a recess under the pair of tips, the recess being overlapped by the gap of the pair of tips, wherein a width of the gap between the pair of tips is less than a width of an upper portion of the recess, and
wherein the first inorganic encapsulation layer covers bottom surfaces of the pair of tips and an inner surface of the recess, and
the second inorganic encapsulation layer is in direct contact with the first inorganic encapsulation layer under the pair of tips.

8. The display device of claim 7 , wherein:
a plurality of grooves comprises a first groove that has a width that is different from a width of a second groove that is between the first groove and the opening.

9. A display device comprising:
a substrate that includes an opening, a display area that surrounds the opening, and a non-display area between the opening and the display area;
a plurality of light-emitting diodes arranged in the display area;
an encapsulation layer that covers the plurality of light-emitting diodes, the encapsulation layer comprising a first inorganic layer, a first organic layer on the first inorganic layer, and a second inorganic layer on the first organic layer;
a second organic layer over the encapsulation layer in the non-display area;
an input sensing layer that includes an insulating layer and a plurality of touch electrodes, wherein a portion of the insulating layer of the input sensing layer overlaps the second organic layer in the non-display area; and
a camera below the substrate,
wherein a portion of the second organic layer overlaps a portion of the firs organic layer in the non-display area, and
wherein the camera overlaps the opening in a plan view.

10. The display device of claim 9 , further comprising:
a partition wall disposed in the non-display area,
wherein a portion of the second inorganic layer of the encapsulation layer is in direct contact with a portion of the first inorganic layer of the encapsulation layer over the partition wall.

11. The display device of claim 9 , further comprising:
a plurality of tips arranged spaced from each other in the non-display area, each of the plurality of tips surrounding the opening.

12. A display device, comprising:
a substrate that includes an opening, a display area that surrounds the opening, and a non-display area between the opening and the display area;
a plurality of light-emitting diodes arranged in the display area;
an encapsulation layer that covers the plurality of light-emitting diodes, the encapsulation layer comprising a first inorganic layer, a first organic layer on the first inorganic layer, and a second inorganic layer on the first organic layer;
a second organic layer over the encapsulation layer in the non-display area;
a partition wall disposed in the non-display area;
a plurality of tips arranged spaced from each other in the non-display area, each of the plurality of tips surrounding the opening;
an input sensing layer that includes an insulating layer and a plurality of touch electrodes, wherein a portion of the insulating layer of the input sensing layer overlaps the second organic layer in the non-display area; and
a camera below the substrate,
wherein at least one of the plurality of tips is adjacent to the partition wall,
wherein a portion of the second organic layer overlaps a portion of the first organic layer in the non-display area, and
wherein the camera overlaps the opening in a plan view.

13. A display device, comprising:
a substrate that includes an opening, a display area that surrounds the opening, and a non-display area between the opening and the display area;
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Assignees

• Samsung Display Co Ltd

Inventors

• Sung Wooyong
• Choi Wonwoo
• Kim Sooyoun
• Seo Junghan
• Lee Seoyeon
• Lee Hyoungsub
• Chang Moonwon
• Chae Seunggun
• Song Seungyong

Classifications

• H10W10/0121

  in regions recessed from the surface, e.g. in trenches or grooves · CPC title

• H10W10/13

  formed using local oxidation of silicon [LOCOS], e.g. sealed interface localised oxidation [SILO] or side-wall mask isolation [SWAMI] · CPC title

• H10K50/844

  Encapsulations · CPC title

• H10K50/84

  Passivation; Containers; Encapsulations · CPC title

• G06F3/0445

  using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer · CPC title