Field emission cathode and field emission light using the same

Field emission cathode and field emission light using the same

A field emission cathode comprises at least one electron emitting parcel, and at least one ion absorbing parcel each being electrically connected with each of the at least one electron emitting parcel. The electron emitting parcel includes a first substrate and a nano emission component disposed on...

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Hauptverfasser: JIANG JHIHNG, YOUH MENG-JEY, PU NEN-WEN, LIU YIH-MING, CHUNG KUN-JU, GER MING-DER, CHENG KEVIN, XU GUAN-FANG
Format: Patent
Sprache:eng
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BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
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creator JIANG JHIHNG
YOUH MENG-JEY
PU NEN-WEN
LIU YIH-MING
CHUNG KUN-JU
GER MING-DER
CHENG KEVIN
XU GUAN-FANG
description A field emission cathode comprises at least one electron emitting parcel, and at least one ion absorbing parcel each being electrically connected with each of the at least one electron emitting parcel. The electron emitting parcel includes a first substrate and a nano emission component disposed on the first substrate for emitting electrons in an electric field. The ion absorbing parcel is constituted by a second substrate, in which the electric conductivity of the first substrate is less than that of the second substrate. A field emission light comprises the said field emission cathode, a field emission anode and a power supply. Thus the positive ions in an electric field can be absorbed by ion absorbing parcels to suppress an ion bombardment in the electric field. The efficiency of the electric field of the field emission is then maintained, and the lifetime of the field emission light is enhanced.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
title Field emission cathode and field emission light using the same
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