Flat-board display of three-tip fold-line type grid controlled array structure and mfg. process

Abstract

The flat panel display includes cathode glass faceplate, anode glass faceplate, and sealed vacuum cavity surrounded by glass frame. There are cathode conductive layer, Nano carbon tubes, and polyline with three tips type structures of grid control array on the cathode glass faceplate. There are anode conductive layer and phosphor layers prepared on the conductive layer on anode glass faceplate. Structure of supporting wall and attached elements of getter are located between anode glass faceplate and cathode glass faceplate. The invention reduces working voltage of grid electrode further, decreases interval between grid electrode and cathode so as to be in favor of raising brightness and image quality displayed by the whole apparatus. Advantages are: stable and reliable manufacturing procedure, simple technique and structure, and low cost.

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, in particular relates to a flat panel display with a three-pointed zigzag grid-controlled array structure and its manufacturing process. Background technique [0002] Field emission display is a new type of display device, which has the advantages of high display image quality, large working temperature range, and low power consumption. It is recognized as the most ideal flat panel display technology for the next generation. Carbon nanotubes have excellent field emission characteristics, a very high aspect ratio, and can emit a large number of electrons under the action of an applied electric fi...

AI Technical Summary

Problems solved by technology

At present, in most of the display devices, the gate is located above the carbon nanotube cathode. The control function of the gate is more significant, and the manufacturing process is relatively simple, but the formed gate current is relatively large. It is not conducive to further improving the display brightness of the overall display device

In addition, in the fabricated gate structure, the front surface of the gate conductive layer is irregular, or has an uncontrollable shape, which is very unfavorable for the concentration of the electric field intensity on the surface of the carbon nanotube cathode. The working voltage of the gate is further increased, which do not meet the performance index requirements of low-voltage flat panel devices

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