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:
May. 31, 2022

Filed:

Jan. 22, 2018
Applicant:

Daegu Gyeongbuk Institute of Science and Technology, Daegu, KR;

Inventors:

Youn Gu Lee, Daegu, KR;

Hong Gi Kim, Changwon-si, KR;

Seok Hoon Jang, Daegu, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 405/14 (2006.01); H01L 51/00 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
C07D 405/14 (2013.01); H01L 51/0067 (2013.01); H01L 51/5056 (2013.01); H01L 51/5072 (2013.01); H01L 51/5092 (2013.01); H01L 51/5096 (2013.01);
Abstract

The compound is represented by Formula 1. In Formula 1, X is O or S, and Rand Rare independently selected from the group consisting of aryl, heteroaryl and —P(O)—RR, where the aryl, heteroaryl and —P(O)—RRare substituted or unsubstituted with 1 to 4 substituents selected from the group consisting of (C-C)alkyl, (C-C)alkoxy, aryl and heteroaryl. The 'aryl' means a group consisting of 6 to 10 cyclic rings, and the 'heteroaryl' means a group consisting of 5 to 14 cyclic rings having 1 to 4 heteroatoms selected from oxygen, sulfur and nitrogen (including quaternary nitrogen). Rand Rare independently selected from aryl or heteroaryl.


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Lee, Youn. (2022). Compound, preparing method therefor, and organic light emitting element comprising same (U.S. Patent No. 11345688). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11345688

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