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:
Aug. 30, 2011
Filed:
Apr. 19, 2007
Applicants:
Michael Segal, Cambridge, MA (US);
Kelley Rivoire, Stanford, CA (US);
Madhusudan Singh, Chandler, AZ (US);
Marc A. Baldo, Cambridge, MA (US);
Inventors:
Michael Segal, Cambridge, MA (US);
Kelley Rivoire, Stanford, CA (US);
Madhusudan Singh, Chandler, AZ (US);
Marc A. Baldo, Cambridge, MA (US);
Assignee:
Massachusetts Institute of Technology, Cambridge, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 51/54 (2006.01); H01L 51/56 (2006.01);
U.S. Cl.
CPC ...
Abstract
A light emitting device comprising a first electrode, a second electrode, an emissive material between the first and second electrodes and a mixing agent separate from the emissive material is disclosed. In certain examples, the mixing agent may be effective to increase a fraction of excitons formed as a singlet state.