Light guide layer for vehicle glass, vehicle glass and vehicle interior lighting system
US12153242B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 5, 2021 |
| Grant date | Nov 26, 2024 |
| Priority date | — |
| Expiry date | Nov 5, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60Q3/62
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A light guide layer for vehicle glass, a vehicle glass and a vehicle interior lighting system are provided. The light guide layer or vehicle glass includes a transparent body or a glass body including a first surface and a second surface arranged opposite to each other, and the transparent body being adapted to be couple to vehicle glass, so as to receive light-source light emitted from a light source arranged at a predetermined position of a vehicle and allow the light-source light to propagate within the transparent body; and a light diffusion part formed in the transparent body or the glass body or on at least one of the first surface and the second surface and configured to diffusely reflect, scatter and/or refract the light-source light propagating to the light diffusion part to a predetermined area of at least one of the first surface and the second surface, so as to emit the light-source light out from the predetermined area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.