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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
- Project Code
- 08MB2700, Development of 15-inch Dynamic Areal Back Light, Yoon-Ho Song
- 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, Gate insulator, High Voltage, Self-focusing, Switching device