发光学报, 2009, 30 (1): 119, 网络出版: 2009-12-30
平栅极结构碳纳米管场发射性能实验
Experiment Research on Carbon Nanotube Field Emission Performance with Flat Grid Structure
摘要
研究了碳纳米管(CNT)场发射显示器(FED)三电极结构的平栅极结构,得到了进一步降低场致发射的开启电压和缩小动态调制电压范围的方法,同时也为相关的场发射安全操作提供了借鉴。实验表明:二极结构场发射调制电压范围较大,调制电压达上千伏,而在三电极的平栅极结构中通过调节阳极电压不仅可控制显示亮度,还对栅极调制电路有保护作用。适当升高阳极电压、适当缩短阴极和阳极之间的距离以及阴栅极经老化后可减小栅极调制电压, 同时还能有效的降低场致发射的动态调制电压的范围。这对新一代的显示器研制提供帮助。
Abstract
The field emission display have been recognized as the one of the most promising electron field emitters since the first field emission experiment reported in 1995. CNTs as emitters in the field emission display devices have been demonstrated during the last decade years. Now, the field emission display methods of carbon nanotube include triode structure and diode structure. The diode structure display consists of the anode and the cathode.It needs high drive voltage and wide modulating voltage scope which cost a lot. So, a triode structure was designed by studying the flat grid structure. In addition to the anode and the cathode, the triode structure display contains grid electrode which offers a guarantee to the safe field emission operation. Furthermore, the turned on voltage of the field emission is depressed and the scope of modulating voltage is minished compared to the diode structure. Experiment indicated that the vision brightness can be controlled and grid modulating circuit can be protected by adjusting anode voltage, the grid voltage and modulating voltage scope of field emission can be minished further after the grid is aged and it can also be minished by increasing anode voltage and shortening the distance between cathode and anode. The results will provide helpful information for further research of field emission display.
钟寿仙, 李广山, 李振红, 任兆玉, 田进寿. 平栅极结构碳纳米管场发射性能实验[J]. 发光学报, 2009, 30(1): 119. ZHONG Shou-xian, LI Guang-shan, LI Zhen-hong, REN Zhao-yu, TIAN Jin-shou. Experiment Research on Carbon Nanotube Field Emission Performance with Flat Grid Structure[J]. Chinese Journal of Luminescence, 2009, 30(1): 119.