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. 28, 2016
Filed:
Apr. 05, 2011
Mark James, Romsey, GB;
Magda Goncalves-miskiewicz, Southhampton, GB;
Philip Edward May, Sidcup, GB;
Ruth Effenberger, Undenheim, DE;
Edgar Kluge, Gross-Gerau, DE;
Heinrich Becker, Ober-Ramstadt, DE;
Mark James, Romsey, GB;
Magda Goncalves-Miskiewicz, Southhampton, GB;
Philip Edward May, Sidcup, GB;
Ruth Effenberger, Undenheim, DE;
Edgar Kluge, Gross-Gerau, DE;
Heinrich Becker, Ober-Ramstadt, DE;
Merck Patent GmbH, Darmstadt, DE;
Abstract
The present invention relates to novel compositions comprising light emitting materials and/or charge transporting materials and one or more organic solvents having a viscosity at 25° C. of at least 10 mPas and a boiling point of at most 400° C., to their use as inks for the preparation of organic light emitting diode (OLED) devices, to methods for preparing OLED devices using the novel formulations, and to OLED devices prepared from such methods and formulations.