Ultraviolet light-emitting element
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United States of America Patent
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Jul 26, 2022
Grant Date -
Dec 17, 2020
app pub date -
Jan 30, 2019
filing date -
Feb 28, 2018
priority date (Note) -
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Abstract
Disclosed is an ultraviolet light-emitting element which uses an electron emission operation. The ultraviolet light-emitting element is sealed to maintain a high degree of vacuum. A emission substrate is prepared for the electron emission and an electron emitted from the emission substrate passes through a control substrate. The electron, which has passed through the control substrate, collides with a light-emitting substrate, from which formation of a p-type semiconductor has been excluded, and thus forms ultraviolet light.
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