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Panel display with integrated triangle tapered grid cathode structure and its making process

A flat-panel display and cathode structure technology, which is applied in cold cathode manufacturing, electrode system manufacturing, discharge tube/lamp manufacturing, etc., can solve problems such as poor emission effect of carbon nanotube cathodes, improve field emission efficiency, and improve electron emission efficiency. Emission efficiency, the effect of improving luminous efficiency

Inactive Publication Date: 2008-12-24
ZHONGYUAN ENGINEERING COLLEGE
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  • Abstract
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  • Claims
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Problems solved by technology

Large-area carbon nanotube cathodes can be manufactured by the transplantation method, but the emission effect of the prepared carbon nanotube cathodes is poor.

Method used

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  • Panel display with integrated triangle tapered grid cathode structure and its making process
  • Panel display with integrated triangle tapered grid cathode structure and its making process
  • Panel display with integrated triangle tapered grid cathode structure and its making 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] Such as image 3 As shown, the present invention includes a sealed vacuum chamber formed by a cathode panel 1, an anode panel 11 and surrounding glass enclosures 8, an anode conductive layer 12 photoetched on the anode panel 11, and a fluorescent phosphor prepared on the anode conductive layer 12. The powder layer 14, the supporting wall structure 9 and the accessory element 10 of the getter are provided with an integrated triangular-conical grid cathode structure on the cathode panel 1, wherein the grid 2 is located below the carbon nanotube cathode 7, controlling the carbon nanotube Electron emission from the cathode.

[0038] The fixed position of the integrated triangular pyramid-shaped gate cathode structure is installed and fixed on the cathode panel 1. There is a grid conducti...

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Abstract

The invention relates to a flat panel display with integrated triangular sharp-cone grid cathode structure, which comprises: a seal vacuum cavity constructed by cathode and anode glass panel and round glass, a fluorescent powder layer on anode electrode layer on anode glass panel, a control grid for nano carbon tube emission, an integrated triangular sharp-cone grid cathode structure under the nano carbon tube cathode to control its electron emission, a support wall structure and air-detrainer accessory. This invention enlarges emission area, uses fully of well field-emission property of nano carbon tube cathode, and has reliable manufacture process with low cost.

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 device fabrication of field emission display, especially relates to the fabrication process of field emission flat panel display device with integrated triangular pyramid-shaped gate cathode structure and carbon nanotube cathode. Background technique [0002] The field emission display device using carbon nanotubes as cathode material is a new type of planar device, and it is also a hot topic in the field of flat panel display devices in China and abroad in recent years. In the carbon nanotube cathode flat field emission display device, the gate structure is a key element, which plays a necessary control role on the carbon nanotube cathode. The...

Claims

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Application Information

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