Line source sweeping light fixture
US10663122B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 20, 2019 |
| Grant date | May 26, 2020 |
| Priority date | — |
| Expiry date | Mar 20, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A tubular lighting device encloses a plurality of LEDs and delivers light with uniformity, resembling the light delivered by a single linear light source. The tubular lighting device comprises a housing, a lighting chassis mounted on the housing, at least one circuit board with a plurality of LEDs mounted on the lighting chassis, each LED having a length A and two adjacent LEDs being separated by a distance L, a thin film mounted on the base and above the plurality of LEDs, the thin film being separated from the plurality of LEDs by a distance H, and a lens mounted on the lighting chassis and above the thin film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.