# US 8,541,943 B2 · Highly bright electroluminescent wire

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- Number: US 8,541,943 B2
- Document ID: US8541943B2
- Status: Granted
- Kind: B2
- Application number: 13/358,022
- Filed: 2012-01-25
- Published: 2013-05-30
- Granted: 2013-09-24
- Earliest claimed: 2011-11-28
- Assignees: Shanghai Kerun Phosphor Technology Co., Ltd.
- Applicants: Yan Zheng; Shufan Geng; Jingyu Bian
- Inventors: Yan Zheng; Shufan Geng; Jingyu Bian
- Web page: https://patentgrep.com/patent/US8541943B2

## CPC

- H01B 1/023: {Alloys based on aluminium}
- H01B 1/026: {Alloys based on copper}
- H01B 3/006: {Other inhomogeneous material}
- H01B 3/105: {Wires with oxides}
- H01B: CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES (selection for magnetic properties H01F1/00; waveguides H01P {; printed circuits H05K})

## Abstract

A highly bright electroluminescent wire includes a metal core electrode, an internal electron-emitting layer, an internal highly dielectric layer, a glowing layer, an external highly dielectric layer, an external electron-emitting layer, a transparent conductive layer, an electrode of external conductive layer, a transparent protective plastic layer and a color fluorescent transparent plastic layer orderly coated around the metal core electrode. The metal core electrode and the electrode of external conductive layer are charged with a voltage of AC50-400V and a frequency of 0.05 KHz to 20 KHz to produce a colored highly bright light.

## Claims

### Claim 1

A highly bright electroluminescent wire, comprising a metal core electrode, wherein an internal electron-emitting layer, an internal highly dielectric layer, a glowing layer, an external highly dielectric layer, an external electron-emitting layer, a transparent conductive layer, an external electrode formed of a conductive layer, a transparent protective plastic layer and a color fluorescent transparent plastic layer are coated in order around said metal core electrode; said metal core electrode and said external electrode formed of said conductive layer are charged with a voltage of AC50-400V and a frequency of 0.05 KHz to 20 KHz, wherein said internal electron-emitting layer, said internal highly dielectric layer, said glowing layer, said external highly electric layer, said external electron-emitting layer, said transparent conductive layer interoperate to provide a high electric field, in such a manner that said glowing layer produces a colored highly bright light.

### Claim 2 (depends on 1)

The highly bright electroluminescent wire, as recited in claim 1, wherein said metal core electrode adopts well conductive copper wires or aluminum wires; said internal electron-emitting layer adopts a coating material having nano aluminum oxide or nano zinc oxide; said internal highly dielectric layer adopts a coating material having copper calcium titanate; said glowing layer adopts an electroluminescent glowing material; said external highly dielectric layer adopts a coating material having copper calcium titanate; said external electron-emitting layer adopts a coating material having nano aluminum oxide or nano zinc oxide; said transparent conductive layer adopts one conductive nanometer material selected from the group consisting of ITO, ATO and ZTO; said external electrode formed of said conductive layer adopts well conductive copper wires or aluminum wires; said transparent protective plastic layer adopts one achromatic and transparent material selected from the group consisting of PVC, PE, PET and PU; said color fluorescent transparent plastic layer adopt one plastic material selected from the group consisting of PVC, PET and PU and having fluorescent dye added therein.

### Claim 3

A highly bright electroluminescent wire, comprising a plurality of metal core electrodes, an internal electron-emitting layer, an internal highly dielectric layer, a glowing layer, an external highly dielectric layer, an external electron-emitting layer, a transparent conductive layer, a plurality of external electrodes formed of conductive layers, a transparent protective plastic layer and a color fluorescent transparent plastic layer, wherein said plurality of metal core electrode has outer surfaces thereof respectively coated with said internal electron-emitting layer and is arranged to gyrate and wind around an outer part of a central polyamide; said internal highly dielectric layer, said glowing layer, said external highly dielectric layer, said external electron-emitting layer, said transparent conductive layer, said plurality of external electrodes formed of said conductive layers, said transparent protective plastic layer and said color fluorescent transparent plastic layer are coated in order around said plurality of metal core electrodes; a multiple controller is respectively connected to said plurality of metal core electrodes and said plurality of external electrodes of said conductive layers and a charge of a voltage of AC50-400V and a frequency of 0.05 KHz to 20 KHz thereon is able to produce a controllable dynamic colored highly bright light.

### Claim 4 (depends on 3)

The highly bright electroluminescent wire, as recited in claim 3, wherein said plurality of metal core electrodes adopt well conductive copper wires or aluminum wires; said internal electron-emitting layer adopts a coating material having nano aluminum oxide or nano zinc oxide; said internal highly dielectric layer adopts a coating material having copper calcium titanate; said glowing layer adopts an electroluminescent glowing material; said external highly dielectric layer adopts a nanometer coating material having copper calcium titanate; said external electron-emitting layer adopts a coating material having nano aluminum oxide or nano zinc oxide; said transparent conductive layer adopts one conductive nanometer material selected from the group consisting of ITO, ATO and ZTO; said external electrode formed of said conductive layer adopts well conductive copper wires or aluminum wires; said transparent protective plastic layer adopts one achromatic and transparent material selected from the group consisting of PVC, PE, PET and PU; said color fluorescent transparent plastic layer adopts one plastic material selected from the group consisting of PVC, PET and PU and having fluorescent dye added therein.