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Field emission element and field emission display device

A display device, field emission technology, which is applied to electrical components, image/graphic display tubes, cathode ray tubes/electron beam tubes, etc., and can solve problems such as structural and technological difficulties

Inactive Publication Date: 2015-03-11
AU OPTRONICS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the top-gate structure has its own process difficulties

Method used

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  • Field emission element and field emission display device
  • Field emission element and field emission display device
  • Field emission element and field emission display device

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Embodiment Construction

[0055] In order for those skilled in the art to have a better understanding of the present invention, preferred embodiments of the present invention are enumerated below, together with the accompanying drawings, to describe in detail the composition and desired effects of the present invention.

[0056] Please refer to figure 1 . figure 1 is a schematic diagram of the field emission device of the first preferred embodiment of the present invention. For the convenience of description, the drawings of the present invention are only schematic diagrams for easier understanding of the present invention, and the detailed proportions thereof can be adjusted according to design requirements. Such as figure 1 As shown, this embodiment provides a field emission device 100 . The field emission device 100 includes a first substrate 110 , a second substrate 120 , a first electrode 130 , a second electrode 140 , a third electrode 150 and a patterned dielectric layer 160 . The second sub...

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Abstract

A field emission element comprises a first substrate, a second substrate, a first electrode, a second electrode, a third electrode and a patterned dielectric layer; wherein the first electrode is arranged on a first inner surface of the first substrate facing to the second substrate; the second electrode, the third electrode and the patterned dielectric layer are arranged on a second inner surface of the second substrate facing to the first substrate; the patterned dielectric layer is arranged between the second electrode and the third electrode and is separated from the second electrode and the third electrode; a first thickness of the patterned dielectric layer is larger than a second thickness of the second electrode, and the first thickness of the patterned dielectric layer is larger than a third thickness of the third electrode.

Description

technical field [0001] The invention relates to a field emission element and a field emission display device, in particular to a field emission element and a field emission display device which use a patterned dielectric layer to reduce the driving voltage. Background technique [0002] Field emission display is the next-generation emerging technology with the most development potential after cathode ray tube display and liquid crystal display. Compared with the existing display technology, the field emission display has the advantages of low driving voltage, no viewing angle limitation, wide operating temperature range, high brightness, high contrast and color saturation, and has been paid more and more attention in recent years. [0003] A general lateral field emission device has a triode structure composed of a cathode electrode, a gate electrode, and an anode electrode coated with a fluorescent material. By applying a voltage to the gate electrode, electrons are induce...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01J29/02H01J31/12
Inventor 邱胜正吴宗典郭志彻
Owner AU OPTRONICS CORP