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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 11930704 B1

PDFFull Text
Date of Patent:
Mar. 12, 2024

Filed:

Dec. 07, 2022

Organic electroluminescent device comprising an electron buffer layer and an electron transport layer

Applicant:

Rohm and Haas Electronic Materials Korea Ltd., Chungcheongnam-do, KR;

Inventors:

Hee-Choon Ahn, Gyeonggi-do, KR;

Doo-Hyeon Moon, Gyeonggi-do, KR;

Sang-Hee Cho, Gyeonggi-do, KR;

Assignee:

Rohm and Haas Electronic Materials Korea Ltd., , KR;

Attorney:

G. Creston Campbell

Primary Examiner:

Michael Y Sun

Int. Cl.
CPC ...
H10K 85/60 (2023.01); H10K 50/11 (2023.01); H10K 50/17 (2023.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 50/165 (2023.01); H10K 101/30 (2023.01); H10K 101/40 (2023.01); H10K 102/00 (2023.01);
U.S. Cl.
CPC ...
H10K 85/6572 (2023.02); H10K 50/11 (2023.02); H10K 50/171 (2023.02); H10K 85/626 (2023.02); H10K 85/633 (2023.02); H10K 85/636 (2023.02); H10K 85/654 (2023.02); H10K 85/657 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); H10K 50/15 (2023.02); H10K 50/165 (2023.02); H10K 50/166 (2023.02); H10K 2101/30 (2023.02); H10K 2101/40 (2023.02); H10K 2102/351 (2023.02);
Abstract

The present disclosure relates to an organic electroluminescent device. The organic electroluminescent device of the present disclosure comprises a specific combination of an electron buffer material and an electron transport material which can provide high efficiency and/or long lifespan.

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Quick Actions:

Ahn, Hee-Choon. (2024). Organic electroluminescent device comprising an electron buffer layer and an electron transport layer (U.S. Patent No. 11930704). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11930704

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