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:
Jun. 11, 2013
Filed:
Dec. 18, 2009
Applicants:
Che-hsiung Hsu, Wilmington, DE (US);
Weiying Gao, Landenberg, PA (US);
Shiva Prakash, Santa Barbara, CA (US);
Inventors:
Che-Hsiung Hsu, Wilmington, DE (US);
Weiying Gao, Landenberg, PA (US);
Shiva Prakash, Santa Barbara, CA (US);
Assignee:
E I Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 51/52 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to buffer bilayers, and their use in electronic devices. The bilayer has a first layer including (a) at least one electrically conductive polymer doped with at least one non-highly-fluorinated acid polymer and (b) at least one highly-fluorinated acid polymer, and a second layer including inorganic nanoparticles which are oxides or sulfides.