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Nanotechnology and CNT Field Emission Displays

J. Dijon
CEA, FR

Keywords:
carbon nanotube, CNT, field, emission, display

Abstract:
Advancement in nanotechnology gives the opportunity to have a new look to old technical design problems with the hope to overcome fundamental limitations. Clearly the carbon nanotube field emission display (CNT-FED) technology is a prime example. The use of CNTs in FED has relaxed the lithography requirements of previous µtips FED generations, opening a wide display market to this new technology. We demonstrate here that such gained freedom in production technology is not at the expense of poorer display performance limiting the expected advantages. At CEA Grenoble we have been developing CNT-FEDs for the last 6 years, using the “bottom up” approach to grow CNTs on different types of structured cathodes. We will describe our technical approach to integrate CNTs into active electronic devices and show that the recently achieved results on field emission and display life time, is now close to the targeted specifications of commercial displays. Before having a few micrograms of CNTs on your display to show your favourite movie, the challenge is not necessarily technical but is to secure the needed investment to take advantage of this new display technology.

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