Patent · US Active

LED lamps with improved quality of light

US9046227B2 · kind B2 · utility

54Cited by
152References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 30, 2014
Grant dateJun 2, 2015
Priority date
Expiry dateOct 30, 2034

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10H20/819
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

LED lamp systems having improved light quality are disclosed. The lamps emit more than 500 lm and more than 2% of the power in the spectral power distribution is emitted within a wavelength range from about 390 nm to about 430 nm.

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