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

Figure 3

SEM images of carbon nanomaterials grown at different temperatures in low magnification, (a) 800°C and (b) 600°C, and in high magnification, (c) 800°C and (d) 600°C.

(a)

(b)

(c)

(d)