Illuminating glazing unit with through-hole for light injection
US11331885B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 30, 2018 |
| Grant date | May 17, 2022 |
| Priority date | — |
| Expiry date | Dec 2, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An illuminating glazing unit includes a first transparent sheet of glass drilled with a through-hole delimited by an internal wall; at least one inorganic light-emitting diode including an emission surface emitting light in a main direction of emission substantially orthogonal to the emission surface; and a light guide element including an input face arranged facing the emission surface, a body and an output face arranged facing the internal wall, the light-emitting diode having an emission cone of at least 80°.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.