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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 11696458 B1

PDFFull Text
Date of Patent:
Jul. 04, 2023

Filed:

Nov. 21, 2018

Organic light-emitting device and method of manufacturing the same

Applicant:

Samsung Electronics Co., Ltd., Suwon-si, KR;

Inventors:

Seokhwan Hong, Seoul, KR;

Seungyeon Kwak, Suwon-si, KR;

Hyun Koo, Seongnam-si, KR;

Sangdong Kim, Seongnam-si, KR;

Sungjun Kim, Seongnam-si, KR;

Jiwhan Kim, Seoul, KR;

Sunghun Lee, Hwaseong-si, KR;

Sukekazu Aratani, Hwaseong-si, KR;

Sunyoung Lee, Seoul, KR;

Shingo Ishihara, Suwon-si, KR;

Aram Jeon, Suwon-si, KR;

Byoungki Choi, Hwaseong-si, KR;

Assignee:

SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do, KR;

Attorney:

Cantor Colburn LLP

Primary Examiner:

Sean M De Guire

Int. Cl.
CPC ...
H01L 51/00 (2006.01); H10K 50/11 (2023.01); C09K 11/06 (2006.01); C07F 15/00 (2006.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 71/00 (2023.01); H10K 85/30 (2023.01); H10K 101/40 (2023.01); H10K 101/10 (2023.01); H10K 101/30 (2023.01); H10K 101/00 (2023.01);
U.S. Cl.
CPC ...
H10K 50/11 (2023.02); C07F 15/0086 (2013.01); C09K 11/06 (2013.01); H10K 50/15 (2023.02); H10K 50/16 (2023.02); H10K 71/00 (2023.02); H10K 85/346 (2023.02); C09K 2211/1044 (2013.01); C09K 2211/185 (2013.01); H10K 2101/10 (2023.02); H10K 2101/30 (2023.02); H10K 2101/40 (2023.02); H10K 2101/90 (2023.02);
Abstract

An organic light-emitting device including a first electrode, a second electrode, an emission layer disposed between the first electrode and the second electrode, a hole transport region disposed between the first electrode and the emission layer, and an electron transport region disposed between the emission layer and the second electrode, wherein the emission layer includes a host and a dopant, wherein the dopant is an iridium-free organometallic compound, and wherein a dopant concentration profile of the emission layer satisfies predetermined parameters disclosed in the specification.

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