Improvement of Lighting Uniformity and Phosphor Life in Field Emission Lamps Using Carbon Nanocoils

Figure 6

Top: FELs with (a) MWCNT and (b) CNC cathodes in operation. Bottom: phosphor on the anodes after 1 h of FE measurement for FELs with (c) MWCNT and (d) CNC cathodes.

(a)

(b)

(c)

(d)