Patent ID: 7537505

Claim:
A method of manufacturing a field emission display which comprises a cathode substrate and a fluorescent screen glass opposed to the cathode substrate, and emits light when an electron emitted from a carbon nanotube printed layer containing a carbon nanotube of the cathode electrode enters a fluorescent material of the fluorescent screen glass, the method comprising: irradiating a surface of the carbon nanotube printed layer with a laser beam to form a carbon nanotube raised area; and spatially modulating the energy density within the laser beam while irradiating the surface of the carbon nanotube printed layer, wherein the spatially modulating includes irradiating a first portion of the surface of the carbon nanotube printed layer with an energy density equal to or higher than a threshold value to form the carbon nanotube raised area, and irradiating a second portion of the surface of the carbon nanotube printed layer with an energy density lower than the threshold value to raise the carbon nanotube.