US Patent 8062697 - Inkjet fabrication of CNT field emitters

http://www.freepatentsonline.com/8062697.html

This patent from Applied Nanotech has priority going back to 2001 and includes some broad claims for forming field emission displays using inkjet deposition of carbon nanotube materials. Claim 1 reads:

1. A method for making a field emission cathode comprising the step of

selectively depositing a field emitter mixture onto a substrate using an ink jet dispenser,

wherein the field emitter mixture further comprises carbon nanotubes and other nanoparticles comprising other forms of carbon.