Flat panel display of large area cathode round high grid structure and its producing process

A flat-panel display and manufacturing process technology, which is applied in cold cathode manufacturing, image/graphic display tubes, discharge tube cold cathodes, etc., can solve problems such as the inhomogeneity of the electric field at the top of carbon nanotubes, and improve the production success rate and control effect Strengthen and increase the effect of launching ability

Inactive Publication Date: 2006-08-23
ZHONGYUAN ENGINEERING COLLEGE
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Problems solved by technology

However, in the process of carbon nanotube cathode emitting electrons, it is affected by various factors, such as the inhomogeneity of the electric field at the top of the carbon nanotube, the non-directional growth of the carbon nanotube material, the influence of impurities in the carbon nanotube material, etc. , not all carbon nanotube cathodes can emit electrons uniformly

Method used

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  • Flat panel display of large area cathode round high grid structure and its producing process
  • Flat panel display of large area cathode round high grid structure and its producing process
  • Flat panel display of large area cathode round high grid structure and its producing process

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Embodiment Construction

[0036] The present invention will be further described below in conjunction with the accompanying drawings and embodiments, but the present invention is not limited to these embodiments.

[0037] A flat-panel display with a large-area cathode circular high grid structure includes a sealed vacuum chamber composed of a cathode panel 1, an anode panel 10 and surrounding glass frames 9, a photoetched anode conductive layer 11 on the anode panel 10, and a preparation Phosphor layer 13 above the anode conductive layer 11, the grown carbon nanotube cathode 8, the supporting wall structure 15 installed between the cathode panel 1 and the anode panel 10, and the getter accessory element 14 are fabricated on the cathode panel 1. Large-area cathode circular high grid structure. On the one hand, the grown carbon nanotube cathode is located around the circular high grid structure, which greatly increases the emission area of ​​the carbon nanotube cathode and makes full use of the edge field...

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Abstract

Present invention relates to flat-panel display having large area round cathode round high gate structure and making technology. It contains anode panel and concave cycle glass enclose constructed sealed vacuum cavity, anode panel having photo etched anode conducting layer and phosphor powder layer anode conducting layer, growing carbon nanotube cathode, knee wall structure and getter element, cathode panel having round high gate structure, carbon nanotube cathode located around round high gate structure, enlarging carbon nanotube cathodal emitting area, gate structure located above carbon nanotube cathode having strong control action to carbon nanotube cathode electron emission. Said invention raises carbon nanotube cathode electron emission efficiency having reliable manufacturing process, simple technology, low cost, and simple structure etc advantages.

Description

technical field [0001] The invention belongs to the fields of plane display technology, microelectronic science and technology, vacuum science and technology, and nano science and technology, and relates to the manufacture of flat panel field emission displays, in particular to flat panels for carbon nanotube cathodes. The content of the device production of the field emission display particularly relates to the production process of a field emission flat display device with a large-area circular cathode with a circular high gate structure and a carbon nanotube cathode. Background technique [0002] In recent years, flat-panel displays have become the focus of people's attention due to their advantages of high definition, high image quality, planarization, small thickness, and light weight, which heralded the development direction of display technology. The planar field emission display device made of carbon nanotubes as the cathode material is an emerging planar device. In ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01J29/02H01J29/04H01J1/46H01J1/30H01J31/12H01J9/00
Inventor 李玉魁
Owner ZHONGYUAN ENGINEERING COLLEGE
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