Daylighting apparatus
US10520151B2 · kind B2 · utility
0Cited by
1References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 23, 2015 |
| Grant date | Dec 31, 2019 |
| Priority date | — |
| Expiry date | Oct 23, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21V23/0464
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A daylighting apparatus of the present invention includes: a daylighting sheet (13) that has first and second surfaces opposite to each other and that lets light in through the first surface and lets the light out through the second surface at a predetermined distribution of angles; and a visible light-reflecting sheet (15) that reflects part of visible light falling on the first surface of the daylighting sheet (13).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.