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:
Aug. 20, 2024

Filed:

May. 16, 2023
Applicant:

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

Inventors:

Hyungguen Yoon, Yongin-si, KR;

Hongyeon Lee, Yongin-si, KR;

Sukhoon Kang, Yongin-si, KR;

Heera Kim, Yongin-si, KR;

Suji Park, Yongin-si, KR;

Beomsoo Shin, Yongin-si, KR;

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 59/122 (2023.01); H10K 59/12 (2023.01); H10K 71/10 (2023.01); G09G 3/3233 (2016.01);
U.S. Cl.
CPC ...
H10K 59/122 (2023.02); H10K 71/191 (2023.02); G09G 3/3233 (2013.01); H10K 59/1201 (2023.02);
Abstract

A display apparatus includes a light-emitting device with improved reliability while maintaining liquid-repellent properties of peripheral layers after plasma irradiation. The display apparatus includes: a substrate; a pixel electrode disposed on the substrate; a pixel defining layer disposed on the pixel electrode and having an opening that exposes a central portion of the pixel electrode; and a liquid-repellent layer disposed on the pixel defining layer and having an upper surface having a concavo-convex structure.


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