| 发明名称 |
HIGH-EFFICIENCY PROJECTION SCREEN |
| 摘要 |
Embodiments for a high-efficiency, high-uniformity projection screen are provided. In one example, a projection screen comprises an angle-dependent diffusing layer configured to transmit light non-diffusively within a first range of incident angles and transmit light diffusively within a second range of incident angles and a redirective element configured to receive light transmitted through the angle-dependent diffusing layer in one or more directions within the first range of incident angles and redirect the received light back through the angle-dependent diffusing layer in one or more directions within the second range of incident angles. |
| 申请公布号 |
US2015286125(A1) |
申请公布日期 |
2015.10.08 |
| 申请号 |
US201414243501 |
申请日期 |
2014.04.02 |
| 申请人 |
Microsoft Corporation |
发明人 |
Powell Karlton David |
| 分类号 |
G03B21/60 |
主分类号 |
G03B21/60 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A projector screen, comprising:
an angle-dependent diffusing layer configured to transmit light non-diffusively within a first range of incident angles and transmit light diffusively within a second range of incident angles; and a redirective element configured to receive light transmitted through the angle-dependent diffusing layer in one or more directions within the first range of incident angles and redirect the received light back through the angle-dependent diffusing layer in one or more directions within the second range of incident angles. |
| 地址 |
Redmond WA US |
