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.

Patent No.:

US 11856820 B1

Date of Patent:

Dec. 26, 2023

Filed:

Dec. 28, 2020

Display apparatus and method of manufacturing the same

Applicant:

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

Inventors:

Seongkweon Heo, Yongin-si, KR;

Chungi You, Yongin-si, KR;

Assignee:

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

Attorney:

Lewis Roca Rothgerber Christie LLP

Primary Examiner:

Dzung Tran

Int. Cl.

CPC ...

H01L 27/32 (2006.01); H10K 59/123 (2023.01); H10K 59/00 (2023.01); H10K 71/00 (2023.01); H10K 59/12 (2023.01);

U.S. Cl.

CPC ...

H10K 59/123 (2023.02); H10K 59/00 (2023.02); H10K 71/00 (2023.02); H10K 59/1201 (2023.02);

Abstract

A display apparatus includes: a semiconductor layer on a substrate; a gate insulating layer on the substrate and covering the semiconductor layer; a gate electrode on the gate insulating layer and at least partially overlapping the semiconductor layer; an interlayer insulating layer on the gate electrode; and an electrode layer on the interlayer insulating layer and electrically connected to the semiconductor layer, wherein the interlayer insulating layer comprises a first portion and a second portion extending from the first portion, and the electrode layer is on the first portion of the interlayer insulating layer, and a step is provided by a difference in thicknesses of the first portion and the second portion.

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