碳纳米管场发射显示器及其全印刷制造技术

Carbon Nanotube Field Emission Displays and Their Fully Printing Fabrication Techniques

针对现有的碳纳米管场发射显示器(CNT-FED)制造技术中存在的工艺复杂、成本过高的问题,提出了用于制造碳纳米管场发射显示器的全印刷制造技术,即采用丝网印刷工艺制备CNT-FED器件内部包括各电极图形、碳纳米管阵列、荧光粉点阵和绝缘支撑层在内的所有结构.同现有的CNT-FED制造技术相比,全印刷技术具有操作简单、成本低廉的优点.采用新技术制造了对角线为14 cm的可矩阵寻址的二极结构CNT-FED,分辨率为160×120像素点阵.该器件在220 V电压下可达到1×104cd/m2的高亮度,工作电压降低到200 V以内,已经可以用现有等离子体显示屏的驱动集成电路来实现控制.

To solve the problem of complex process and high fabricating cost in the current fabrication techniques of carbon nanotube displays （CNT-FEDs）, a fully printing technique was presented to fabricate CNT-FED. All the inner structure cells, including cathode and anode electrode patterns, CNT arrays, phosphor dots and cathode and anode spacer, were fabricated by a screen printing process. Compared to current techniques, fully printing process has the advantages of simple operation and very low fabricating cost. The matrix-addressable diode CNT-FED with 14 cm diagonal were fabricated by this technique, and the resolution is of 160 × 120 pixel matrix. A very high brightness of 1 × 10^4 cd/m^2 can be achieved at 220 V, and the operating voltage is lower than 200 V. This new CNT-FED which can be driven by the integrated drive circuits of commercial plasma display panel.