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

A technology of flat panel display and prong angle, which is applied in the direction of control electrode, cold cathode manufacturing, discharge tube/lamp manufacturing, etc., and can solve the problem that it is difficult to increase the operating frequency of the device

Inactive Publication Date: 2007-11-14
ZHONGYUAN ENGINEERING COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The capacitive effect between the gate structure and the cathode structure is also a problem worthy of attention. Obviously, if the capacitive effect of the device is large, it is difficult to increase the operating frequency of the device.

Method used

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

Examples

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Embodiment Construction

[0041] The present invention will be further described below with reference to the drawings and embodiments, but not limited to these embodiments.

[0042] The flat-panel display with the lower grid-controlled cathode structure of the circular ring prong angle type includes a sealed vacuum chamber composed of an anode glass panel [14], a cathode glass panel [1] and surrounding glass frames [19]; There is an anode conductive layer [15] and a phosphor layer [17] on the anode conductive layer on the glass panel; there are grid lead layers [3], carbon nanotubes [13] and ring prongs on the cathode glass panel Type lower grid-controlled cathode structure; support wall structure [18] and getter [20] accessory elements between the anode glass panel and the cathode glass panel.

[0043] The circular ring prong angle lower grid-controlled cathode structure includes a cathode glass panel [1], an insulating layer [2], a grid lead layer [3], a lifting layer [4], a control grid layer [5], ...

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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 ...

Claims

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Application Information

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Patent Type & Authority Applications(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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