Reflective transparent screen and image projection device comprising same
US10288780B2 · kind B2 · utility
1Cited by
4References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 21, 2016 |
| Grant date | May 14, 2019 |
| Priority date | — |
| Expiry date | Nov 21, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N5/74
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A reflective transparent screen according to the present invention comprises a light diffusion layer which comprises a binder and microparticles. The reflective transparent screen has a total light transmission of 60% or more and a parallel beam transmittance of 50% or more. The transparent screen has the diffuse reflectance light brilliance profile measured with a goniophotometer characterized to satisfy the conditions A and B.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.