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Multiple round annular cathode array emitting structural panel display device and its production technique

A flat-panel display, circular technology, used in cold cathode manufacturing, cathode ray tube/electron beam tube, discharge tube cold cathode, etc., can solve problems such as large grid current, reduce operating voltage, and enhance electron emission control. The effect of enhancing the electric field strength

Inactive Publication Date: 2009-05-13
ZHONGYUAN ENGINEERING COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, most of the current flat panel display devices have chosen a structure in which the gate is located above the carbon nanotube cathode. The manufacturing process is relatively simple, but the formed gate current is relatively large.

Method used

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  • Multiple round annular cathode array emitting structural panel display device and its production technique
  • Multiple round annular cathode array emitting structural panel display device and its production technique
  • Multiple round annular cathode array emitting structural panel display device and its production technique

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Embodiment Construction

[0040] 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.

[0041] Described a kind of flat-panel display with multi-annular cathode array emission structure comprises the airtight vacuum cavity that is made of cathode glass panel 1, anode glass panel 12 and surrounding glass frame 17; There is anode on the anode glass panel Conductive layer 13 and phosphor layer 15 prepared on the anode conductive layer; control grid 6, carbon nanotube 11 cathode and multi-ring cathode array emission structure are arranged on the cathode glass panel; located on the anode glass panel and the cathode glass panel Between the support wall 16 structure and the getter 18 attached elements.

[0042] The multi-annular cathode array emission structure includes a cathode glass panel 1, a grid lead layer 2, a blocking layer 3, a cathode lead layer 4, an isolation layer 5, a gr...

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Abstract

The invention relates to a plate display in multi-annular cathode array 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 multi-annular cathode array emission structure are arranged on the cathode glass panel. The invention can effectively strengthen the electron emission control function of grid, to increase the emission area of cathode of carbon nanometer tube, and improve the control efficiency of grid, to improve the brightness, 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 flat panel field emission display with carbon nanotube cathode is particularly related to a flat panel display with multi-circular cathode array emission structure and its manufacturing process. Background technique [0002] Flat panel display devices are a very important tool for human-machine communication, and have been widely used in various industries. Among them, the field emission display device made of carbon nanotubes as the cathode material is a new type of planar device in recent years, which has many advantages such as high definition, high image quality, high resolution and high brightness, etc. It has become t...

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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