Large‐area FEDs with carbon‐nanotube field emitter

Application of carbon nanotubes (CNTs) as field emitters for large-area FED panels is described. In 1998, we presented the first experimental devices: light-source tubes for outdoor large-area displays and a diode-type flat-panel display, both with screen-printed CNT cathodes. The fisrt practical high-luminance color CNT-FED panel was built in 1999. It employed the new triode-structure panel was x-y addressable. The CNT-FED structure was further optimized for large-area display panels by improving the luminous uniformity. This paper also describes the design and performance of a new, experimental, 40-in.-diagonal panel, which showed that the CNT-FED technology is suitable for use in large-area displays.