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.

Date of Patent:
Feb. 13, 2024

Filed:

Nov. 16, 2018
Applicant:

Lg Display Co., Ltd., Seoul, KR;

Inventors:

Young-Ju Ryu, Paju-si, KR;

Kyu-Nam Kim, Paju-si, KR;

Jae-Hyun Park, Paju-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 85/60 (2023.01); C07D 495/04 (2006.01); H10K 50/115 (2023.01); H10K 50/15 (2023.01);
U.S. Cl.
CPC ...
H10K 85/636 (2023.02); C07D 495/04 (2013.01); H10K 85/633 (2023.02); H10K 50/115 (2023.02); H10K 50/156 (2023.02); H10K 85/626 (2023.02); H10K 85/6572 (2023.02); H10K 85/6576 (2023.02);
Abstract

Compounds, and polymers thereof, useful dopants for light emitting diodes and light emitting display devices are disclosed. The compounds have the following structure Formula 1: wherein R, R, R, R, L, L, L, L, a, b, c and d are as defined herein. Light emitting diodes including compounds of Formula 1 (and polymers thereof, i.e., compounds of Formula 3), light emitting devices including the same as well as methods associated with preparation and use of such compounds, polymers and devices are also provided.


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