Patent · US Active

Lighting device and lamp comprising said lighting device

US8992046B2 · kind B2 · utility

2Cited by
3References
16Claims
0Family size

Assignees

Inventors

Key dates

Filing dateApr 1, 2010
Grant dateMar 31, 2015
Priority date
Expiry dateAug 19, 2031

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF21Y2115/10
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A luminous means (1) comprising a multiplicity of light emitting diodes (10) arranged in a manner distributed three-dimensionally and a screen (11) formed from a radiation-opaque or translucent material, wherein the screen (11) encloses the light emitting diodes at least in places, wherein the screen (11) has a multiplicity of perforations disposed downstream of the light emitting diodes (10) in the emission direction, and wherein light emitted by the light emitting diodes (10) during operation of the luminous means passes through the perforations (12).

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