Panel display device for elliptical star-type cathode array emitting structure and its production process

Abstract

The invention relates to a plate display in ellipse start cathode array emission structure and relative production, wherein it comprises an anode glass panel, a cathode glass panel, and a sealing vacuum chamber surrounded by four glass frames; the anode glass panel is arranged with anode conductive layer and a fluorescent powder layer is above the conductive layer; a support wall structure and a gattering additional element are between the anode glass panel and the cathode glass panel; a control grid, a carbon nanometer tube cathode and ellipse start cathode array emission structure are arranged on the cathode glass panel. The invention can effectively utilize the phenomenon that the edge position emits lots of electrons, to increase the emission area of cathode, and improve the electron emission efficiency of carbon nanometer tube, to improve the control property of grid and improve the display image quality of whole device, with lower cost and simple structure.

Description

technical field [0001] The present invention belongs to the fields of plane display technology, electronic science and technology, vacuum science and technology, integrated circuit science and technology, and nano science and technology, and relates to device fabrication of flat panel field emission displays, in particular to The device production aspect of flat panel field emission display of carbon nanotube cathode, especially relates to a field emission flat panel display device of carbon nanotube cathode with an elliptical star-shaped cathode array emission structure and its manufacturing process. Background technique [0002] Carbon nanotubes have attracted great attention due to their unique physical and chemical properties and their great potential to be applied to various display devices. Carbon nanotubes have high surface ratio, small tip curvature radius, highly stable physical and chemical properties and high mechanical strength, which are very suitable for field ...

AI Technical Summary

Problems solved by technology

In addition, in terms of improving the display brightness of the overall device, in addition to increasing the operating voltage of the control grid, allowing the carbon nanotubes to emit as many electrons as possible, and bombarding the phosphor layer to emit visible light, how can It is also a good way to increase the emission area of ​​the carbon nanotube cathode as much as possible under the existing conditions.

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