Annular blade type cathode emitting structural panel display device and its production technique

A technology of flat panel display and cathode emission, which is applied in cold cathode manufacturing, cathode ray tube/electron beam tube, cold cathode of discharge tube, etc., and can solve the problems that major breakthroughs cannot be achieved.

Inactive Publication Date: 2009-10-28
ZHONGYUAN ENGINEERING COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Restricted by various factors, major breakthroughs cannot be made in device manufacturing technology at present, so how to choose a suitable device manufacturing process is a difficult problem that needs to be solved urgently

Method used

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  • Annular blade type cathode emitting structural panel display device and its production technique
  • Annular blade type cathode emitting structural panel display device and its production technique
  • Annular blade type cathode emitting structural panel display device and its production technique

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Embodiment Construction

[0038] 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.

[0039] Described a kind of flat-panel display with annular leaf type cathode emission structure, comprises the airtight vacuum chamber that is made of anode glass panel 9, cathode glass panel 1 and surrounding glass surround frame 14; On the anode glass panel, anode is arranged A conductive layer 10 and a phosphor layer 12 prepared on top of the anode conductive layer; a support wall structure 13 between the anode glass panel and the cathode glass panel and a getter accessory element 15 . On the cathode glass panel, there are a control grid 5, a carbon nanotube 8 cathode and an annular leaf-shaped cathode emission structure.

[0040] The cathode emitter structure with a ring-shaped leaf shape includes a cathode glass panel 1, a cathode booster layer 2, a cathode conductive layer 3, an insula...

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Abstract

The invention relates to a plate display in annular blade cathode emission structure and relative production, wherein it comprises an anode glass panel, a cathode glass panel, and a sealing vacuum chamber surrounded by four glass frames; the anode glass panel is arranged with anode conductive layer and a fluorescent powder layer is above the conductive layer; a support wall structure and a gattering additional element are between the anode glass panel and the cathode glass panel; a control grid, a carbon nanometer tube cathode and annular blade cathode emission structure are arranged on the cathode glass panel. The invention can effectively utilize the phenomenon that the edge position emits lots of electrons, improve the electron emission efficiency of cathode, and improve the display brightness of device, with lower cost and simple structure.

Description

technical field [0001] The invention belongs to the fields of flat panel display technology, electronic science and technology, vacuum science and technology, integrated circuit science and technology, and nano science and technology, and relates to device fabrication of flat panel field emission displays, in particular to The device production aspect of the flat panel field emission display of the carbon nanotube cathode is particularly related to a flat panel display with a ring-shaped leaf type cathode emission structure and its manufacturing process. Background technique [0002] With the continuous development of display technology, flat-panel light-emitting display devices are becoming more and more popular in people's daily life. Field emission flat panel display devices using carbon nanotubes as cathode materials have become a hot topic in the field of flat panel display, and have attracted great attention from researchers. Carbon nanotubes have a small tip curvatur...

Claims

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Application Information

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