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:
Sep. 01, 2026

Filed:

Oct. 28, 2022
Applicant:

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

Inventors:

Wonwoo Choi, Yongin-si, KR;

Yoonah Choi, Yongin-si, KR;

Donghun Nam, Yongin-si, KR;

Assignee:

SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 59/121 (2023.01); H10D 86/40 (2025.01); H10D 86/60 (2025.01); H10K 50/844 (2023.01); H10K 59/12 (2023.01); H10K 59/131 (2023.01); H10K 71/00 (2023.01);
U.S. Cl.
CPC ...
H10K 59/1213 (2023.02); H10D 86/423 (2025.01); H10D 86/60 (2025.01); H10K 50/844 (2023.02); H10K 59/1201 (2023.02); H10K 59/131 (2023.02); H10K 71/00 (2023.02);
Abstract

A display apparatus includes a substrate, a first semiconductor layer disposed on the substrate, a second semiconductor layer disposed on the first semiconductor layer, an interlayer insulating layer disposed on the second semiconductor layer and including a plurality of inorganic insulating layers, a source electrode or a drain electrode disposed on the interlayer insulating layer and respectively connected to the first semiconductor layer or the second semiconductor layer, and an organic light emitting element connected to the source electrode or the drain electrode, where the plurality of inorganic insulating layers include an oxide layer, a first nitride layer disposed on the oxide layer and having a first density, and a second nitride layer disposed on the first nitride layer and having a second density lower than the first density.


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