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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 12389789 B1

PDFFull Text
Date of Patent:
Aug. 12, 2025

Filed:

Aug. 12, 2020

Organic light emitting device

Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Minho Hwang, Daejeon, KR;

Jiyoung Lee, Daejeon, KR;

Ho Gyu Lee, Daejeon, KR;

Seog Jae Seo, Daejeon, KR;

Kwanghyun Kim, Daejeon, KR;

Jaesoon Bae, Daejeon, KR;

Jaechol Lee, Daejeon, KR;

Jiyeon Shin, Daejeon, KR;

Keunsoo Lee, Daejeon, KR;

Assignee:

LG Chem, Ltd., Seoul, KR;

Attorney:

Lerner David LLP

Primary Examiner:

Jenna N Chandhok

Int. Cl.
CPC ...
H10K 85/10 (2023.01); H10K 50/17 (2023.01); H10K 85/30 (2023.01); H10K 85/60 (2023.01);
U.S. Cl.
CPC ...
H10K 85/141 (2023.02); H10K 85/322 (2023.02); H10K 85/624 (2023.02); H10K 85/626 (2023.02); H10K 85/633 (2023.02); H10K 85/653 (2023.02); H10K 85/6572 (2023.02); H10K 50/17 (2023.02);
Abstract

The present disclosure provides an organic light emitting device comprising a hole injection layer including a cured product of a compound represented by the following Chemical Formula 1, and a hole transport layer including a cured product of a polymer containing a repeating unit represented by the following Chemical Formula 2-1 and a repeating unit represented by the following Chemical Formula 2-2:

Find Patent Forward Citations

Hwang, Minho. (2025). Organic light emitting device (U.S. Patent No. 12389789). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12389789

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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