Automotive laminate with superior camera window
US11572024B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 20, 2021 |
| Grant date | Feb 7, 2023 |
| Priority date | — |
| Expiry date | Aug 6, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B17/10761
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The use of camera based safety systems is growing at a rapid rate in modern automobiles. As the industry moves for full autonomous capability, the number of cameras required is increasing. At the same time, windshields, where many of the cameras are mounted are becoming larger and more complex in shape. This presents problems in the area of camera optics. For one, the camera is looking out through at least two layers of bent glass bonded together by a third layer of plastic. Mismatches in the refractive index can result in a double image. The curvature of the glass turns the window into a lens and, in conjunction with the often low installation angle, can reduce the optical clarity of the camera field of view. The laminate of the invention has a cutout in the area of the camera(s) on the interior glass layer where the cameras are mounted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.