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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 12089428 B1

PDFFull Text
Date of Patent:
Sep. 10, 2024

Filed:

Jun. 29, 2018

Organic light-emitting device

Applicant:

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

Inventors:

Hyun Koo, Seongnam-si, KR;

Seungyeon Kwak, Seoul, KR;

Sangdong Kim, Suwon-si, KR;

Sungjun Kim, Seongnam-si, KR;

Jiwhan Kim, Seoul, KR;

Sunghun Lee, Hwaseong-si, KR;

Jungin Lee, Seoul, KR;

Seokhwan Hong, Seoul, KR;

Kyuyoung Hwang, Anyang-si, KR;

Assignee:

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

Attorney:

CANTOR COLBURN LLP

Primary Examiner:

Jennifer A Boyd

Assistant Examiner:

Rachel Simbana

Int. Cl.
CPC ...
H10K 50/11 (2023.01); C07F 15/00 (2006.01); C09K 11/06 (2006.01); H10K 50/13 (2023.01); H10K 50/15 (2023.01); H10K 50/155 (2023.01); H10K 85/30 (2023.01); H10K 101/00 (2023.01); H10K 101/10 (2023.01); H10K 101/30 (2023.01); H10K 101/40 (2023.01);
U.S. Cl.
CPC ...
H10K 50/11 (2023.02); C07F 15/0086 (2013.01); C09K 11/06 (2013.01); H10K 50/131 (2023.02); H10K 50/155 (2023.02); H10K 50/156 (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 facing the first electrode, and an organic layer disposed between the first electrode and the second electrode, wherein the organic layer includes an emission layer and an intermediate layer disposed between the first electrode and the emission layer, wherein the intermediate layer directly contacts the emission layer, and wherein the intermediate layer includes a first hole transport material, wherein the emission layer includes a host and a dopant, wherein the dopant is an organometallic compound, provided that the dopant does not comprise iridium, and wherein the organic light-emitting device satisfies certain parameters described in the specification.

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