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:
Apr. 30, 2019
Filed:
Feb. 15, 2011
Arne Buesing, Frankfurt am Main, DE;
Holger Heil, Frankfurt am Main, DE;
Christof Pflumm, Frankfurt am Main, DE;
Joachim Kaiser, Darmstadt, DE;
Arne Buesing, Frankfurt am Main, DE;
Holger Heil, Frankfurt am Main, DE;
Christof Pflumm, Frankfurt am Main, DE;
Joachim Kaiser, Darmstadt, DE;
Merck Patent GmbH, Darmstadt, DE;
Abstract
The invention relates to an organic electroluminescent device comprising an anode and a cathode and at least one electroluminescent layer arranged between the anode and cathode which comprises at least one compound of the formula (I) and at least one compound of the formula (II). The invention furthermore relates to the production of an organic electroluminescent device by means of a sublimation process and/or by application from solution and to a mixture comprising at least one compound of the formula (I) and at least one compound of the formula (II).