Pebble-plate like louvre with specific domain characteristics
US10649130B2 · kind B2 · utility
1Cited by
12References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 13, 2017 |
| Grant date | May 12, 2020 |
| Priority date | — |
| Expiry date | Apr 13, 2037 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a louvre lighting unit which contains a plurality of louvre cells for beam shaping the lighting unit light. The plurality of louvre cells comprises a plurality of n subsets, each comprising a respective plurality of m louvre cells. The louvre cells of each subset are configured as a domain of adjoining louvre cells, wherein a respective plurality of k louvre cells within each domain have mutually differing louvre cell cross-sections.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.