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:
Nov. 08, 2011
Filed:
Oct. 14, 2008
Applicants:
James Anthony Cella, Clifton Park, NY (US);
Joseph John Shiang, Niskayuna, NY (US);
Elliott West Shanklin, Altamont, NY (US);
Paul Michael Smigelski, Jr., Scotia, NY (US);
Inventors:
James Anthony Cella, Clifton Park, NY (US);
Joseph John Shiang, Niskayuna, NY (US);
Elliott West Shanklin, Altamont, NY (US);
Paul Michael Smigelski, Jr., Scotia, NY (US);
Assignee:
General Electric Company, Niskayuna, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G 79/08 (2006.01); C08G 61/00 (2006.01); C09K 11/06 (2006.01); H01J 1/63 (2006.01); H01J 63/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
Polyfluorene polymers and copolymers having substantial amounts (10-100%) of fluorenes coupled at the 2 and 5 positions of fluorene are useful as active layers in OLED devices where triplet energies >2.10 eV are required.