| 发明名称 | Rear projection display screen and device | ||
| 摘要 | A rear projection display screen, including a film having a surface facing the back of the screen including ridges having a triangular cross-section defining prisms, wherein at least a wall of each of said ridges has an inclination such that the angle of incidence, on said wall, of a light ray normal to the display is equal, to within 5 degrees, to the Brewster angle of the surface of separation formed by said wall. | ||
| 申请公布号 | US8861079(B1) | 申请公布日期 | 2014.10.14 |
| 申请号 | US201414290032 | 申请日期 | 2014.05.29 |
| 申请人 | Commissariat à l'Énergie Atomique et aux Énergies Alternatives | 发明人 | Rossini Umberto |
| 分类号 | G03B21/56;G03B21/60 | 主分类号 | G03B21/56 |
| 代理机构 | Brannon Sowers & Cracraft PC | 代理人 | Erdman Kevin R.;Brannon Sowers & Cracraft PC |
| 主权项 | 1. A rear projection display screen, comprising a film having a surface facing the back of the screen comprising ridges having a triangular cross-section defining prism, wherein at least one wall of each of said ridges has an inclination such that the angle of incidence, on said wall, of a light ray normal to the screen is equal, to within 5 degrees, to the Brewster angle of the surface of separation formed by said wall. | ||
| 地址 | Paris FR | ||