Patent · US Active

Exterior aircraft light unit and aircraft comprising the same

US10362657B2 · kind B2 · utility

5Cited by
2References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 15, 2016
Grant dateJul 23, 2019
Priority date
Expiry dateDec 15, 2036

Classification

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

Abstract

An exterior aircraft light unit includes a support plate, an LED, mounted to the support plate, a near end of life detector for sensing a light output level of the LED, the near end of life detector being mounted to the support plate, and a transparent optical element for shaping an output light intensity distribution of the exterior aircraft light unit, wherein the transparent optical element jointly encases the LED and the near end of life detector, with light from the LED reaching the near end of life detector through the transparent optical element.

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