Flat-panel display device with waxial barrel-type gate-modulated cathode structure and its preparing process

A flat-panel display and cathode structure technology, which is applied in the manufacture of cold cathodes, control electrodes, electrode systems, etc., can solve the problems of high grid voltage, low emission efficiency of carbon nanotube cathodes, and small effective emission area. , to achieve the effects of reducing the capacitance effect, enhancing the gate control function, and increasing the operating frequency

Inactive Publication Date: 2012-03-14
ZHONGYUAN ENGINEERING COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there are many shortcomings of this kind of display, such as high gate voltage, low electron emission efficiency of carbon nanotube cathode, small effective emission area, etc., which need to be further solved

Method used

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  • Flat-panel display device with waxial barrel-type gate-modulated cathode structure and its preparing process
  • Flat-panel display device with waxial barrel-type gate-modulated cathode structure and its preparing process
  • Flat-panel display device with waxial barrel-type gate-modulated cathode structure and its preparing process

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Experimental program
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Effect test

Embodiment Construction

[0042] The present invention will be further described below with reference to the drawings and embodiments, but not limited to these embodiments.

[0043] The flat-panel display of the described coaxial barrel type gate-controlled cathode structure comprises a sealed vacuum cavity formed by the anode glass panel [16], the cathode glass panel [1] and surrounding glass frames [21]; the anode glass panel There is an anode conductive layer[17] and a phosphor layer[19] prepared on the anode conductive layer; there are grid lead layer[3], carbon nanotubes[15] and coaxial barrel surface grid on the cathode glass panel control cathode structure; support wall structure [20] and getter [22] accessory elements between the anode glass panel and the cathode glass panel.

[0044] The coaxial barrel surface grid-controlled cathode structure includes a cathode glass panel [1], a retardation layer [2], a grid lead layer [3], a lifting layer [4], and an inner grid control layer [5] , Lifting ...

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Abstract

The invention relates to a flat-panel display of a coaxial barrel-faced 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 coaxial barrel-faced grid-controlled cathode structure on the cathodeglass panel; and it can further reduce operating voltage of grid and raise electron emission efficiency of carbon nanotube 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, in particular relates to a flat panel display with a coaxial barrel surface grid-controlled cathode structure and its manufacturing process. Background technique [0002] Carbon nanotube cathode field emission display is a new type of flat display device, which is as light and thin as liquid crystal display, and at the same time has the high brightness, high contrast, high resolution, high response speed and wide width of cathode ray tube display. The advantage of the viewing angle, the energy consumption is much lower than other displays, the cost is not high, and there is no electromagnetic ra...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01J31/12H01J31/15H01J29/02H01J29/04H01J1/304H01J1/46H01J9/02H01J9/00
Inventor 李玉魁
Owner ZHONGYUAN ENGINEERING COLLEGE
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