Variable reflectance mirrors and windows
US7502156B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 12, 2005 |
| Grant date | Mar 10, 2009 |
| Priority date | — |
| Expiry date | Feb 5, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R1/088
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Various structures for variable reflectance rearview mirrors and variable transmittance windows are disclosed. One embodiment pertains to the provision of a polarized reflector in a rearview mirror. Another embodiment pertains to the provision of a switchable cholesteric liquid crystal element in a window. Yet another embodiment pertains to the provision of a plurality of apertures in a reflector layer of a rearview mirror where the apertures are sized and positioned in alignment with light emitting areas of a display positioned behind the reflector layer. In another embodiment, a moveable display or mirror element is attached to a rearview mirror housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.