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

Abstract

The invention relates to a flat-panel display with an elliptical star-shaped cathode array emission structure and its manufacturing process, comprising a sealed vacuum chamber composed of an anode glass panel, a cathode glass panel and surrounding glass frames; an anode conductive layer is arranged on the anode glass panel And the phosphor layer prepared on the anode conductive layer; the supporting wall structure and the getter accessory element between the anode glass panel and the cathode glass panel, with control grid, carbon nanotube cathode and elliptical star on the cathode glass panel Cathode array emission structure; making full use of the phenomenon of emitting a large number of electrons at the edge position, effectively increasing the emission area of ​​the cathode and improving the electron emission efficiency of carbon nanotubes, which can further enhance the control performance of the gate and improve the display of the overall device The image quality has the advantages of stable and reliable production process, simple production process, low production 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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