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:
Dec. 16, 2025

Filed:

Mar. 06, 2020
Applicant:

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

Inventors:

Jaebum Pahk, Yongin-si, KR;

Donggyu Shin, Yongin-si, KR;

Bongjin Baek, Yongin-si, KR;

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 59/122 (2023.01); H10K 59/123 (2023.01); H10K 59/80 (2023.01); H10K 59/12 (2023.01);
U.S. Cl.
CPC ...
H10K 59/122 (2023.02); H10K 59/123 (2023.02); H10K 59/8731 (2023.02); H10K 59/1201 (2023.02); H10K 59/8791 (2023.02);
Abstract

A display device includes: a substrate including a display area and a non-display area; a plurality of display elements disposed in the display area and including a pixel electrode, a common layer, a light-emitting layer, and an opposite electrode; and a pixel defining layer having an opening exposing a central portion of the pixel electrode, wherein the common layer includes a first region disposed between a first light-emitting layer disposed in a first display element and a second light-emitting layer disposed in a second display element adjacent to the first display element among the plurality of display elements, and wherein the first region has protrusions spaced apart from one another.


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