Exterior aircraft light unit and aircraft comprising the same
US10362657B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 15, 2016 |
| Grant date | Jul 23, 2019 |
| Priority date | — |
| Expiry date | Dec 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.