Flat-panel display device with circular cross-angle lower gate-modulated cathode structure and its preparing process

Abstract

The invention relates to a flat-panel display of an annular twist angled lower grid-controlled cathode structure and the making process thereof, comprising: sealed vacuum cavity composed of anode glass panel, cathode glass panel, and peripheral glass frame; anode conducting layer on the anode glass panel and fluorescent powder layer prepared on the anode conducting layer; supporting wall structure and degassing agent auxiliary component between the anode glass panel and cathode glass panel; and grid lead layer, carbon nanotube and annular twist angled lower grid-controlled cathode structure on the cathode glass panel; and it can reduce operating voltage of grid and raise electron emission efficiency of carbon nanotube cathode, and has advantages of stable and reliable making course, simple making process, low making cost, and simple structure.

Description

technical field

[0001] The invention belongs to the fields of flat panel display technology, microelectronic science and technology, vacuum science and technology, and nano science and technology, and relates to device fabrication of flat panel field emission displays, in particular to carbon nanotube cathodes. The device manufacturing aspect of the flat panel field emission display particularly relates to a flat panel display with a circular ring prong angle lower grid-controlled cathode structure and its manufacturing process. Background technique

[0002] Carbon nanotubes have excellent field emission properties and high physical and chemical stability, and are very suitable as cold cathode materials for new flat panel display devices. Carbon nanotube field emission display is an active luminescent flat panel display technology, which has the characteristics of full solidification, impact resistance, high definition, high resolution, fast response speed, and wide working ...

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