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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 11937500 B1

PDFFull Text
Date of Patent:
Mar. 19, 2024

Filed:

Jun. 29, 2016

Organic light-emitting device

Applicant:

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

Inventors:

Younsun Kim, Yongin-si, KR;

Seulong Kim, Yongin-si, KR;

Dongwoo Shin, Yongin-si, KR;

Jungsub Lee, Yongin-si, KR;

Naoyuki Ito, Yongin-si, KR;

Jino Lim, Yongin-si, KR;

Hyein Jeong, Yongin-si, KR;

Assignee:

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

Attorney:

Lewis Roca Rothgerber Christie LLP

Primary Examiner:

Stephen E Rieth

Int. Cl.
CPC ...
H10K 85/60 (2023.01); H10K 50/11 (2023.01); H10K 50/13 (2023.01); H10K 50/155 (2023.01); H10K 50/16 (2023.01); H10K 50/17 (2023.01); H10K 50/852 (2023.01); H10K 85/30 (2023.01); H10K 50/15 (2023.01); H10K 101/30 (2023.01); H10K 101/40 (2023.01);
U.S. Cl.
CPC ...
H10K 85/654 (2023.02); H10K 50/11 (2023.02); H10K 50/13 (2023.02); H10K 50/155 (2023.02); H10K 50/16 (2023.02); H10K 50/171 (2023.02); H10K 50/852 (2023.02); H10K 85/30 (2023.02); H10K 85/615 (2023.02); H10K 85/626 (2023.02); H10K 85/657 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); H10K 50/15 (2023.02); H10K 2101/30 (2023.02); H10K 2101/40 (2023.02);
Abstract

An organic light emitting device including a first electrode, a second electrode facing the first electrode, an emission layer between the first electrode and the second electrode, a hole transport region between the first electrode and the emission layer, and an electron transport region between the emission layer and the second electrode, wherein the electron transport region may include a first compound represented by one selected from Formulae 1A to 1E, and at least one selected from the hole transport region and the electron transport region may include a second compound represented by Formula 2A or 2B:

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