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. 14, 2011
Filed:
Mar. 30, 2007
Mikio Takai, Takarazuka, JP;
Alan B. Fischer, Cambridge, MA (US);
Chunming Niu, Lexington, MA (US);
Howard G. Tennent, Kennett Square, PA (US);
Robert Hoch, Hensonville, NY (US);
Hans Biebuyck, Rockville, MD (US);
Mikio Takai, Takarazuka, JP;
Alan B. Fischer, Cambridge, MA (US);
Chunming Niu, Lexington, MA (US);
Howard G. Tennent, Kennett Square, PA (US);
Robert Hoch, Hensonville, NY (US);
Hans Biebuyck, Rockville, MD (US);
Hyperion Catalysis International, Inc., Cambridge, MA (US);
Abstract
The present invention relates to a field emission device comprising an anode and a cathode, wherein said cathode includes carbon nanotubes nanotubes which have been subjected to energy, plasma, chemical, or mechanical treatment. The present invention also relates to a field emission cathode comprising carbon nanotubes which have been subject to such treatment. A method for treating the carbon nanotubes and for creating a field emission cathode is also disclosed. A field emission display device containing carbon nanotube which have been subject to such treatment is further disclosed.