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Journal Article Novel Tapered Macrogate Structure for Carbon Nanotube based Field Emission Display
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Authors
Jin Woo Jeong, Dae Jun Kim, Kyung Ik Cho, Yoon Ho Song
Issue Date
2009-05
Citation
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B, v.27, no.3, pp.1097-1100
ISSN
2166-2746
Publisher
A V S AMER INST PHYSICS
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.1116/1.3125278
Abstract
The tapered macrogate (TMG) structure is proposed to overcome the difficulties in carbon nanotube (CNT) based field emission display (FED) with high-voltage phosphors used in cathode ray tube screens. In order to achieve an ideal triode operation for field emission devices, the TMG was designed to have a very thick gate insulator with the inclined gate holes compared with the CNT emitters. The inclined gate holes with a narrower outlet than the bottom of the hole were shown to protect the CNT emitters from the anode field perfectly, enabling the authors to apply a high anode voltage over 10 kV needed for high-voltage FED. Also, the TMG structure had additional useful functions such as an electron-beam self-focusing and high durability against electrical damage. The authors successfully fabricated and demonstrated a 5 in. active-matrix CNT-FED panel with the TMG, showing color moving images with a low addressing voltage of about 15 V using amorphous silicon thin-film transistor as a switching device. © 2009 American Vacuum Society.
KSP Keywords
10 kV, Amorphous silicon thin-film transistors(a-Si TFTs), Anode voltage, CNT-FED, Carbon nano-tube(CNT), Cathode ray tube, Electron beam, Field emission displays(FEDs), High Voltage, High durability, Self-focusing