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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 12575322 B1

PDFFull Text
Date of Patent:
Mar. 10, 2026

Filed:

Aug. 30, 2023

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

Applicant:

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

Inventors:

Gyeong-Woo Kim, Paju-si, KR;

Ji-Seon Jang, Paju-si, KR;

Joon-Beom Im, Paju-si, KR;

Suk-Young Bae, Paju-si, KR;

Han-Jin Ahn, Paju-si, KR;

Jun-Yun Kim, Paju-si, KR;

Assignee:

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

Attorney:

Morgan, Lewis & Bockius LLP

Primary Examiner:

Nicholas J Tobergte

Int. Cl.
CPC ...
H10K 85/60 (2023.01); C09K 11/02 (2006.01); C09K 11/06 (2006.01); H10K 85/30 (2023.01); H10K 85/40 (2023.01); H10K 50/12 (2023.01); H10K 101/00 (2023.01); H10K 101/30 (2023.01);
U.S. Cl.
CPC ...
H10K 85/6572 (2023.02); C09K 11/02 (2013.01); C09K 11/06 (2013.01); H10K 85/346 (2023.02); H10K 85/40 (2023.02); C09K 2211/1007 (2013.01); C09K 2211/1011 (2013.01); C09K 2211/1029 (2013.01); C09K 2211/1044 (2013.01); C09K 2211/185 (2013.01); H10K 50/12 (2023.02); H10K 85/654 (2023.02); H10K 2101/30 (2023.02); H10K 2101/90 (2023.02);
Abstract

An organic light emitting diode includes a first electrode; a second electrode facing the first electrode; and a first emitting part including a first blue emitting material layer and positioned between the first and second electrodes, the first blue emitting material layer including a first blue emitting layer and a second blue emitting layer, wherein the first blue emitting layer includes a first p-type host and a first n-type host, and the second blue emitting layer includes a second p-type host and a second n-type host, wherein one of the first p-type host and the second p-type host is a first compound represented by one of Formula 1a and Formula 1b, and wherein the other one of the first p-type host and the second p-type host is a second compound represented by one of Formula 3a and Formula 3b.

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