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. 09, 2007
Filed:
May. 18, 2006
Applicants:
Philipp Stössel, Frankfurt, DE;
Hubert Spreitzer, Viernheim, DE;
Heinrich Becker, Hofheim, DE;
Jacqueline Drott, Riedstadt, DE;
Inventors:
Philipp Stössel, Frankfurt, DE;
Hubert Spreitzer, Viernheim, DE;
Heinrich Becker, Hofheim, DE;
Jacqueline Drott, Riedstadt, DE;
Assignee:
Merck Patent GmbH, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F 5/02 (2006.01); C07F 5/06 (2006.01); H01L 51/54 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to the use of boron and aluminum compounds in electronics, in particular as electron transport material, as host material of the emission layer and as hole blocking material, in each case in phosphorescent OLEDs, and also to layers produced therefrom in phosphorescent OLEDs.