Electronic display projection assembly having substantially white off state
US9063359B2 · kind B2 · utility
Assignees
Inventor
Key dates
| Filing date | Feb 28, 2012 |
| Grant date | Jun 23, 2015 |
| Priority date | — |
| Expiry date | Sep 28, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2203/66
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
One or more embodiments of a method and apparatus taught herein provide an electronic display projection assembly that comprises an electronic display configured to display an image, and a transparent glass layer positioned on one side of the electronic display on which the image is displayed. A projection layer is located on a surface of the glass layer. A projecting layer is positioned between the electronic display and the glass layer, and comprises a plurality of microlenses for projecting the displayed image onto the projection layer. The projecting and projection layers may be located on either opposing sides of the transparent glass layer, or on the same side beneath the glass layer. A corresponding method of providing an image from an electronic display is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.