Composite pane having a functional element and illumination
US11314123B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 1, 2019 |
| Grant date | Apr 26, 2022 |
| Priority date | — |
| Expiry date | Feb 1, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0095
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A composite pane having electrically controllable optical properties, includes an outer pane, a first intermediate layer, a second intermediate layer, and an inner pane, a functional element having electrically controllable optical properties, which is arranged between the first intermediate layer and the second intermediate layer, and a thermoplastic frame layer, which surrounds the functional element in the manner of a frame, wherein the outer pane and the inner pane are joined to one another via the first intermediate layer, the second intermediate layer, and the thermoplastic frame layer, and an optical waveguide is arranged at least partially between the outer pane and the inner pane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.