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 11825675 B1

Date of Patent:

Nov. 21, 2023

Filed:

Apr. 15, 2021

Organic light-emitting diode including a hole injection layer, and method of manufacturing the same

Applicant:

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

Inventors:

Yeongrong Park, Yongin-si, KR;

Dongkyu Seo, Yongin-si, KR;

Junyong Shin, Yongin-si, KR;

Byeongwook Yoo, Yongin-si, KR;

Daeho Lee, Yongin-si, KR;

Byungseok Lee, Yongin-si, KR;

Assignee:

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

Attorney:

Lewis Roca Rothgerber Christie LLP

Primary Examiner:

Caleb E Henry

Int. Cl.

CPC ...

H10K 50/15 (2023.01); H10K 50/17 (2023.01); H10K 71/00 (2023.01);

U.S. Cl.

CPC ...

H10K 50/15 (2023.02); H10K 50/17 (2023.02); H10K 71/00 (2023.02);

Abstract

An organic light-emitting diode includes: a first electrode and a second electrode facing each other; an organic emission layer between the first electrode and the second electrode; and a hole injection layer between the first electrode and the organic emission layer, wherein the hole injection layer includes a second metal compound layer and a second metal layer, the second metal compound layer being between the first electrode and the organic emission layer, and the second metal layer being between the second metal compound layer and the organic emission layer.

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