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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 12439816 B1

PDFFull Text
Date of Patent:
Oct. 07, 2025

Filed:

Dec. 23, 2020

Organic light emitting diode and organic light emitting device including the same

Applicant:

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

Inventors:

Dae Won Ryu, Paju-si, KR;

In Bum Song, Paju-si, KR;

Seung Hee Yoon, Paju-si, KR;

Sang Beom Kim, Paju-si, KR;

Assignee:

LG DISPLAY CO., LTD., Seoul, KR;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Gregory D Clark

Int. Cl.
CPC ...
H01L 51/50 (2006.01); H10K 85/40 (2023.01); H10K 85/60 (2023.01); H10K 50/12 (2023.01); H10K 50/18 (2023.01); H10K 71/00 (2023.01); H10K 101/00 (2023.01);
U.S. Cl.
CPC ...
H10K 85/626 (2023.02); H10K 85/40 (2023.02); H10K 85/622 (2023.02); H10K 85/624 (2023.02); H10K 85/633 (2023.02); H10K 85/636 (2023.02); H10K 85/654 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); H10K 50/12 (2023.02); H10K 50/18 (2023.02); H10K 71/00 (2023.02); H10K 2101/90 (2023.02);
Abstract

The present disclosure relates to an OLED that includes a first electrode; a second electrode facing the first electrode; a first emitting material layer including a first host being an anthracene derivative and a first dopant being a pyrene derivative and positioned between the first and second electrodes; and a first electron blocking layer including an electron blocking material of a heteroaryl-substituted amine derivative and positioned between the first electrode and the first emitting material layer, wherein at least one of hydrogen atoms in the anthracene derivative and the pyrene derivative is deuterated.

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