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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 12376489 B1

PDFFull Text
Date of Patent:
Jul. 29, 2025

Filed:

Nov. 29, 2021

Organic light emitting device

Applicant:

Lg Display Co., Ltd., Seoul, KR;

Inventors:

Su-Na Choi, Paju-si, KR;

In-Bum Song, Paju-si, KR;

Jeong-Dae Seo, Paju-si, KR;

Assignee:

LG Display Co., Ltd., Seoul, KR;

Attorney:

Morgan, Lewis & Bockius LLP

Primary Examiner:

Andrew K Bohaty

Int. Cl.
CPC ...
H01L 51/54 (2006.01); H10K 85/30 (2023.01); H10K 85/60 (2023.01); H10K 50/12 (2023.01); H10K 50/13 (2023.01); H10K 50/18 (2023.01);
U.S. Cl.
CPC ...
H10K 85/636 (2023.02); H10K 85/322 (2023.02); H10K 85/622 (2023.02); H10K 85/624 (2023.02); H10K 85/626 (2023.02); H10K 85/654 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02); H10K 85/658 (2023.02); H10K 50/12 (2023.02); H10K 50/13 (2023.02); H10K 50/181 (2023.02);
Abstract

The present disclosure relates to an organic light emitting device that includes a substrate; and an organic light emitting diode positioned on the substrate and including a first electrode; a second electrode facing the first electrode; a first emitting material layer including a first dopant of a boron derivative and a first host of an anthracene derivative and positioned between the first and second electrodes; a first electron blocking layer including an electron blocking material and positioned between the first electrode and the first emitting material layer; and a first hole blocking layer including a hole blocking material and positioned between the second electrode and the first emitting material layer, wherein the first host is deuterated.

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