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:
Mar. 16, 2010
Filed:
Dec. 05, 2005
Vi-en Choong, Carlsbad, CA (US);
Stelios Choulis, Nuremberg, DE;
Benjamin Claus Krummacher, Regensburg, DE;
Mathew Mathai, Monroeville, PA (US);
Franky SO, Gainesville, FL (US);
Vi-En Choong, Carlsbad, CA (US);
Stelios Choulis, Nuremberg, DE;
Benjamin Claus Krummacher, Regensburg, DE;
Mathew Mathai, Monroeville, PA (US);
Franky So, Gainesville, FL (US);
Osram Opto Semiconductors GmbH, Regensburg, DE;
Abstract
An organic electroluminescent device, includes: a substrate; a hole-injecting electrode (anode) coated over the substrate; a hole injection layer coated over the anode; a hole transporting layer coated over the hole injection layer; a polymer based light emitting layer, coated over the hole transporting layer; a small molecule based light emitting layer, thermally evaporated over the polymer based light emitting layer; and an electron-injecting electrode (cathode) deposited over the electroluminescent polymer layer.