| 发明名称 |
WEDGE LIGHT EXTRACTOR WITH RISERS |
| 摘要 |
A wedge-shaped light extractor (20) having a light-redirecting surface comprising a plurality of projections (22a, 22b, 22c). The projections (22a, 22b, 22c) include risers (23) that improve extraction efficiency of the facets (25), thereby facilitating efficient use of available light from a light source.
|
| 申请公布号 |
WO0161241(A1) |
申请公布日期 |
2001.08.23 |
| 申请号 |
WO2001US00873 |
申请日期 |
2001.01.11 |
| 申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
BOYD, GARY, T.;MILLER, RICHARD, A.;WHITNEY, LELAND, R. |
| 分类号 |
G02B6/00;F21V8/00;F21Y101/02;G02B5/02;G02F1/13357;(IPC1-7):F21V8/00 |
主分类号 |
G02B6/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
