Abstract
AbstractWe have manufactured cathodoluminescent lamps equipped with field emitters composed of carbon nanotubes and nanosized graphite crystallites. The nanocarbon film material was obtained by chemical vapour deposition onto Si and Ni substrates and was used as grown in the vacuum light‐emitting devices. Various light‐emitting arrangements were realized, showing wide possibilities for different applications, including flat panel displays, indicators and light signs. A record power efficiency of >30% was achieved for the cylindrical diode lamps with nanocarbon cold cathodes. This shows their suitability as lighting elements. Copyright © 2004 John Wiley & Sons, Ltd.
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