Projection and/or rear projection screen
US7609443B2 · kind B2 · utility
5Cited by
12References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 7, 2004 |
| Grant date | Oct 27, 2009 |
| Priority date | — |
| Expiry date | Jan 7, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B21/62
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The backprojection and/or projection screen comprises at least a first substrate joined to a scattering layer producing a subsurface effect, which offers a resolution of at least 5×103 dpi, the image being able to be displayed without blurring at a viewing angle of 180° on both faces of the screen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.