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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 12729339 B1

PDFFull Text
Date of Patent:
Sep. 08, 2026

Filed:

May. 25, 2021

Organic light emitting device

Applicant:

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

Inventors:

Seung-Hee Yoon, Paju-si, KR;

Sang-Beom Kim, Paju-si, KR;

In-Bum Song, Paju-si, KR;

Shiren Kazushi, Paju-si, KR;

Sasada Yasuyuki, Paju-si, KR;

Assignee:

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

Attorney:

Morgan, Lewis & Bockius LLP

Primary Examiner:

Elizabeth M Dahlburg

Int. Cl.
CPC ...
C09K 11/06 (2006.01); H10K 50/13 (2023.01); H10K 50/18 (2023.01); H10K 59/38 (2023.01); H10K 85/60 (2023.01); H10K 59/12 (2023.01);
U.S. Cl.
CPC ...
C09K 11/06 (2013.01); H10K 85/626 (2023.02); H10K 85/631 (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 85/658 (2023.02); C09K 2211/1007 (2013.01); H10K 50/131 (2023.02); H10K 50/18 (2023.02); H10K 59/12 (2023.02); H10K 59/38 (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 host of an anthracene derivative and a first dopant of a boron derivative and positioned between the first and second electrodes; and an electron blocking layer including an electron blocking material of a spirofluorene-substituted amine derivative and positioned between the first electrode and the first emitting material layer, wherein an anthracene core of the first host is deuterated. The first dopant is represented by Formula 3. The electron blocking material is represented by Formula 5.

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