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. 16, 2007
Filed:
Apr. 15, 2003
Martin B. Wolk, Woodbury, MN (US);
James G. Bentsen, North St. Paul, MN (US);
Ralph R. Roberts, Cottage Grove, MN (US);
John S. Staral, Woodbury, MN (US);
Yingbo LI, Woodbury, MN (US);
Martin B. Wolk, Woodbury, MN (US);
James G. Bentsen, North St. Paul, MN (US);
Ralph R. Roberts, Cottage Grove, MN (US);
John S. Staral, Woodbury, MN (US);
Yingbo Li, Woodbury, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
The invention provides compositions, organic electronic devices, and methods for preparing organic electronic devices. The compositions include a small molecule that is combined with at least one other material selected from a charge transporting material, a charge blocking material, a light emitting material, a color conversion material, or a combination thereof. The first compound has an aromatic core and two to four identical end capping groups attached to the aromatic core. The second compound has at least some structural similarities to the first compound of the composition.