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Grid structure of carbon nano-tube field emission display device and manufacturing method thereof

A carbon nanotube and gate structure technology, applied in the field of field emission display manufacturing, can solve the problems of unfavorable production of large-area display panels, harsh alignment requirements, low yield, etc., to protect the carbon nanotube layer and enhance adhesion , The effect of improving the emission performance

Inactive Publication Date: 2009-06-03
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Both of these methods require multiple masks and precise photolithography, which have strict alignment requirements and low yields, and are not conducive to the production of large-area display panels.

Method used

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  • Grid structure of carbon nano-tube field emission display device and manufacturing method thereof
  • Grid structure of carbon nano-tube field emission display device and manufacturing method thereof

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Embodiment Construction

[0015] specific implementation plan

[0016] The method for making the grid structure of the carbon nanotube field emission display device of the present invention proposes the process of making the carbon nanotube slurry layer first, and then making the grid, which avoids the difficulty of accurate alignment, and proposes a corresponding The cathode surface treatment process. The cathode glass substrate is washed with alcohol and deionized water to make a strip-shaped silver electrode as the cathode electrode. After the carbon nanotube raw material is purified and ball-milled, it is mixed into a solution of ethyl cellulose and terpineol in a certain proportion, heated and magnetically The agitator is fully mixed to make printing paste, and the carbon nanotube paste layer pattern is prepared on the cathode electrode by screen printing. Baking to 300°C makes the ethyl cellulose and terpineol in the carbon nanotube slurry decompose and volatilize, and the carbon nanotubes and a...

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Abstract

This invention relates to a grating structure of a carbon nm tube field emission display device and its preparation method, in which, said grating structure takes a glass substrate as a cathode glass baseboard to cover a cathode electrode on the glass substrate and a dense material film layer on the cathode electrode and cover an insulation medium layer on the dense material layer, an insulation hole is set in the middle of the insulation medium layer, the surface of the carbon nm tube slurry layer is exposed in the hole with the bottom smelt in the dense material film layer, a grating electrode is covered on the top of the insulation medium layer, grating small holes are set in the grating electrode and aligned with the insulation medium hole at the bottom and the cross section of the hole is in a bowl structure of wide up and narrow down.

Description

technical field [0001] The invention relates to the design of the gate structure of a field emission display, the selection of materials, the design of a manufacturing process flow, and the surface treatment technology of emission materials, and belongs to the technical field of field emission display manufacturing. Background technique [0002] At present, as a new type of display technology, carbon nanotube field emission display device (CNT-FED) is still far from being marketed, mainly because some technical bottlenecks cannot be effectively resolved. Among them, efficient device structure design and fabrication is a typical problem. [0003] A cathode substrate with a carbon nanotube array and an anode substrate with a transparent electrode and coated with fluorescent powder can form the simplest field emission display screen of carbon nanotubes with a diode structure, and its manufacturing process is simple. In the field emission display of carbon nanotubes with a diod...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01J29/02H01J1/46H01J9/02C01B31/00B82B1/00B82B3/00
Inventor 狄云松雷威张晓兵崔云康储开荣
Owner SOUTHEAST UNIV
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