# US 2025/0169293 A1 · Display panel and a display apparatus including the same

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- Number: US 2025/0169293 A1
- Document ID: US20250169293A1
- Status: Published application
- Kind: A1
- Application number: 19/027,226
- Filed: 2025-01-17
- Published: 2025-05-22
- Earliest claimed: 2019-05-13
- Assignees: Samsung Display Co., Ltd.
- Applicants: Samsung Display Co., Ltd.
- Inventors: Wonsuk CHOI; Hyunchul KIM; Seongryong LEE; Eunae JUNG; Yoonsun CHOI
- Web page: https://patentgrep.com/patent/US20250169293A1

## CPC

- H10K 59/124: Insulating layers formed between TFT elements and OLED elements
- H10K 59/1213: {the pixel elements being TFTs}
- H10K 59/1216: {the pixel elements being capacitors}
- H10K 59/122: Pixel-defining structures or layers, e.g. banks
- H10K 59/131: Interconnections, e.g. wiring lines or terminals
- H10K 59/40: OLEDs integrated with touch screens
- H10K 59/60: OLEDs integrated with inorganic light-sensitive elements, e.g. with inorganic solar cells or inorganic photodiodes
- H10K 59/8731: {multilayered coatings having a repetitive structure, e.g. having multiple organic-inorganic bilayers}
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES

## Abstract

A display panel includes: a substrate including a first area, a second area, and a third area between the first area and the second area; a first structure located in the second area and including a pixel electrode, an opposite electrode, an intermediate layer between the pixel electrode and the opposite electrode, and at least one organic material layer; and a plurality of grooves located in the third area and separating the at least one organic material layer and the opposite electrode, wherein a first groove of the plurality of grooves is provided in a multi-layered film including a lower layer and an upper layer, wherein the upper layer includes an inorganic material layer and a first step adjacent to the first groove, the first step having an elevation higher than an upper surface of the lower layer.

## Claims

### Claim 1

A display panel comprising:
a substrate comprising a first area, a second area, and a third area between the first area and the second area;
a first structure located in the second area and comprising a pixel electrode, an opposite electrode, an intermediate layer between the pixel electrode and the opposite electrode, and at least one organic material layer; and
a plurality of grooves located in the third area and separating the at least one organic material layer and the opposite electrode, wherein
a first groove of the plurality of grooves is provided in a multi-layered film comprising a lower layer and an upper layer,
the first groove comprises a first hole penetrating the upper layer and a second hole or recess in the lower layer, and
a first width of the first hole is less than the a second width of the second hole or recess in a cross-sectional view.