Wednesday, June 14, 2006

US Patent 7060241 - Nanotube Conductive Transparent Film

Transparent and conductive films are useful for electrostatic discharge of the windows in cathode based displays. This patent teaches the formation of such films from carbon nanotubes. It is interesting to note that there is a lot of patent activity in the use of nanotubes as the electron emitters in flat panel displays. Thus combining the invention of this patent with nanotube electron emission display technology may result in an all nanotube display system. Claim 1 reads:

1. An electrically conductive film comprising: a plurality of carbon nanotubes with an outer diameter of less than 3.5 nm wherein said film has a light transmittance of at least 60% and a surface resistance of less than about 10.sup.10 ohms/square.