The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 30, 2024

Filed:

Aug. 04, 2022
Applicant:

Samsung Display Co., Ltd., Yongin-si, KR;

Inventors:

Wonwoo Choi, Yongin-si, KR;

Wooyong Sung, Yongin-si, KR;

Sooyoun Kim, Yongin-si, KR;

Junghan Seo, Yongin-si, KR;

Seoyeon Lee, Yongin-si, KR;

Hyoungsub Lee, Yongin-si, KR;

Moonwon Chang, Yongin-si, KR;

Seunggun Chae, Yongin-si, KR;

Assignee:

SAMSUNG DISPLAY CO., LTD., Yongin-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 50/844 (2023.01); H10K 59/12 (2023.01); H10K 59/88 (2023.01);
U.S. Cl.
CPC ...
H10K 50/844 (2023.02); H10K 59/12 (2023.02); H10K 59/88 (2023.02);
Abstract

A display panel includes a plurality of display elements arranged in a display area, an opening, a multi-layer including a first layer and a second layer disposed on the first layer, and a groove. Each display element includes a pixel electrode, an emission layer disposed on the pixel electrode, and an opposite electrode disposed on the emission layer. The display area surrounds the opening. The groove is located between the opening and the display area. The groove has an undercut cross-section that is concave in a thickness direction of the multi-layer, the second layer includes a pair of tips that protrude toward a center of the groove, and a length of each tip is less than about 2 μm.


Find Patent Forward Citations

Loading…