Printed Carbon Nanotube Field Emitters for Backlight Applications

A 5-inch diagonal parallel-gated backlight unit for a liquid crystal display (LCD) was fabricated using carbon nanotube (CNT) paste. A brightness of 10,000 cd/m 2 was demonstrated at 10 KV of anode voltage, and 31 lm/W of light efficiency (for P-22 white phosphor) was obtained. We inserted a mesh el...

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Bibliographic Details
Published in:Japanese Journal of Applied Physics 2005-01, Vol.44 (3L), p.L454
Main Authors: Kim, Yong Churl, Yoo, Eun Ho
Format: Article
Language:English
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Summary:A 5-inch diagonal parallel-gated backlight unit for a liquid crystal display (LCD) was fabricated using carbon nanotube (CNT) paste. A brightness of 10,000 cd/m 2 was demonstrated at 10 KV of anode voltage, and 31 lm/W of light efficiency (for P-22 white phosphor) was obtained. We inserted a mesh electrode with appropriate apertures between anode and cathode plates, which suppressed charge-up effects on the exposed insulator surface and dark electron emission induced by the anode voltage. Such a simply structured backlight is expected to be cost-effective for applications in large-area LCD TVs.
ISSN:0021-4922
1347-4065
DOI:10.1143/JJAP.44.L454