发明名称 |
FRESNEL LENS |
摘要 |
<p>Fresnel lenses are prepared from a transparent substrate and a structured polyurethane layer. The structured polyurethane layer includes a curable reaction mixture. The curable reaction mixture includes a polyol, a polyisocyanate, a catalyst, and at least one UV stabilizer. The Fresnel lenses may be used in panel arrays and in solar power generation devices.</p> |
申请公布号 |
EP2494387(A2) |
申请公布日期 |
2012.09.05 |
申请号 |
EP20100828760 |
申请日期 |
2010.10.18 |
申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
HARTZELL, ANDREW K.;JONZA, JAMES M.;JOHNSON, MICHAEL A.;BENSON, OLESTER, JR. |
分类号 |
G02B3/08;B29D11/00;C08L75/04;G02B1/04 |
主分类号 |
G02B3/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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