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:
Jun. 25, 2024
Filed:
Feb. 26, 2021
Universal Display Corporation, Ewing, NJ (US);
Jui-Yi Tsai, Newtown, PA (US);
Alexey Borisovich Dyatkin, Ambler, PA (US);
Wei-Chun Shih, Lawrenceville, NJ (US);
Zhiqiang Ji, Chalfont, PA (US);
Pierre-Luc T. Boudreault, Pennington, NJ (US);
Miguel A. Esteruelas, Saragossa, ES;
Erik Mora, Saragossa, ES;
Enrique Oñate, Saragossa, ES;
UNIVERSAL DISPLAY CORPORATION, Ewing, NJ (US);
Abstract
Provided are organoiridium compounds that are useful as emitters in OLEDs. The compounds have Formula I LLIr-L-Ir-LL, where: L is a bis-bidentate ligand including two or more aromatic rings; one of the two or more aromatic rings is bonded to the two Ir atoms at the same time; and each of L, L, L, and Lis independently a bidentate N-heterocyclic carbene ligand or a substituted or unsubstituted acetylacetonate ligand with L, L, L, and Leach being the same or different. Also provided are formulations including these organoiridium compounds. Further provided are OLEDs and related consumer products that utilize these organoiridium compounds.