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.:
Date of Patent:
Oct. 20, 2026
Filed:
Nov. 16, 2022
Lg Chem, Ltd., Seoul, KR;
Minjun Kim, Daejeon, KR;
Dong Hoon Lee, Daejeon, KR;
Sang Duk Suh, Daejeon, KR;
Young Seok Kim, Daejeon, KR;
LG Chem, LTD., Seoul, KR;
Abstract
Provided is an organic light emitting device comprising: an anode; a cathode; and a light emitting layer between the anode and cathode, the light emitting layer comprising a compound of Chemical Formula 1 and a compound of Chemical Formula 2: wherein any one of Yto Yis N and the others are CR; Arand Arare each independently a substituted or unsubstituted Caryl or Cheteroaryl containing at least one of N, O and S; A is fused with an adjacent pentagonal ring and is a benzene ring that is unsubstituted or substituted with deuterium, or a naphthalene ring that is unsubstituted or substituted with deuterium; Ar'to Ar′are each independently a substituted or unsubstituted Caryl or Cheteroaryl containing at least one of N, O and S; and the other substituents are as described in the specification.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile