发明申请
- 专利标题： HIGH EFFICIENCY OPTICAL DEVICES
- 专利标题（中）： 高效光学器件
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申请号： US11565366申请日： 2006-11-30
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公开(公告)号： US20070092728A1公开(公告)日： 2007-04-26
- 发明人: Andrew Ouderkirk , Michael Weber , Sanford Cobb , David Wortman
- 申请人： Andrew Ouderkirk , Michael Weber , Sanford Cobb , David Wortman
- 专利权人： 3M Innovative Properties Company
- 当前专利权人： 3M Innovative Properties Company
- 主分类号： B32B9/04
- IPC分类号： B32B9/04
摘要：
Optical devices according to the present invention include a multilayer optical film in which at least one of the layers comprises an oriented birefringent polymer. The multilayer optical film exhibits low absorptivity and can reflect light approaching at shallow angles as well as normal to the film.
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