63.4: Improvement of Emission Uniformity by Heat-Resisting CNT Paste

A heat-resistant paste has been developed to solve the problem of carbon-nanotube (CNT) loss in the heat treatment process after the printing. This paste contains a new glass powder for reductive reaction for CNT. The microscopic observation clarifies the number of CNTs in the new cathode are significantly more than the conventional cathode. The emission distribution measurements show the number of emission sites is 20 percent more than the conventional cathode. The luminance uniformity of new cathode has been significantly improved.