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:
Jul. 14, 2026
Filed:
Oct. 29, 2021
Universite DE Rennes, Rennes, FR;
Centre National DE LA Recherche Scientifique—cnrs, Paris, FR;
Institut National Des Sciences Appliquees DE Rennes, Rennes Cédex, FR;
Ecole Nationale Superieure DE Chimie DE Rennes, Rennes, FR;
Commissariat a L'energie Atomique ET Aux Energies Alternatives, Paris, FR;
Ludovic Favereau, Montauban de Bretagne, FR;
Jeanne Crassous, Thorigné-Fouillard, FR;
Sitthichok Kasemthaveechok, Rennes, FR;
Kais Dhbaibi, L'Hermitage, FR;
Grégory Pieters, Grenoble Cedex, FR;
Benoît Racine, Grenoble Cedex, FR;
Etienne Quesnel, Grenoble Cedex, FR;
UNIVERSITE DE RENNES, Rennes, FR;
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE - CNRS -, Paris, FR;
INSTITUT NATIONAL DES SCIENCES APPLIQUEES DE RENNES, Rennes, FR;
COMMISSARIAT A L'ENERGIE ATOMIQUE, Paris, FR;
ECOLE NATIONALE SUPERIEURE DE CHIMIE DE RENNES ET AUX ENERGIES ALTERNATIVES, Rennes, FR;
Abstract
An active light-emitting layer composition including a thermally activated delayed fluorescence (TADF) molecule with TADF properties as a host material and a luminescent molecule with circularly polarized (CP) properties as a dopant. Also, a light-emitting device, such as an organic light-emitting diodes (OLED), including the active light-emitting layer made of this composition.