Patent · US Active

Ultraviolet field-emission lamps and their applications

US11776802B2 · kind B2 · utility

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20Claims
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Assignee

Inventors

Key dates

Filing dateMay 26, 2022
Grant dateOct 3, 2023
Priority date
Expiry dateMay 26, 2042

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01J2201/308
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

Improved ultraviolet field-emission lamps can be safely deployed close to people because they eliminate the use of toxic materials, mitigate heating issues, and emit light in a wavelength range that is safe for human exposure.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.