Stereoscopic projection device and display method thereof
US9191660B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 24, 2013 |
| Grant date | Nov 17, 2015 |
| Priority date | — |
| Expiry date | Apr 4, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N13/341
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A stereoscopic projection device includes a plurality of light source modules, a dichroic mirror, a first optical module, a second optical module, and a beam-combining prism. Each light source module includes a plurality of light sources used for providing light beams and a prism module used for collecting the light beams. The light beams propagate at different angles after passing through the prism module. The light source modules are disposed on different sides of the dichroic mirror. The dichroic mirror is used for guiding portions of the light beams to a first optical path, and guiding other portions of the light beams to a second optical path. The first and second optical modules disposed on the first and second optical path are used for guiding and modulating the light beams passing along the first and second optical paths and forming first and second image light beams with different images.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.