发明授权
- 专利标题: Light directing sign substrate
- 专利标题(中): 光指示基板
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申请号: US13519361申请日: 2010-12-16
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公开(公告)号: US08801207B2公开(公告)日: 2014-08-12
- 发明人: Michael A. Meis , David G. Freier , Patrick R. Fleming , Ronald S. Steelman
- 申请人: Michael A. Meis , David G. Freier , Patrick R. Fleming , Ronald S. Steelman
- 申请人地址: US MN St. Paul
- 专利权人: 3M Innovative Properties Company
- 当前专利权人: 3M Innovative Properties Company
- 当前专利权人地址: US MN St. Paul
- 代理商 Steven A. Bern; Colene H. Blank
- 国际申请: PCT/US2010/060788 WO 20101216
- 国际公布: WO2011/090625 WO 20110728
- 主分类号: G09F13/04
- IPC分类号: G09F13/04 ; G09F13/08
摘要:
A light directing substrate includes a back major surface and a front major surface opposing the back surface. The back major surface includes light reflection regions and light transmission regions. The front surface includes a plurality of lenticular lens elements. A graphic image disposed on or in the light directing substrate.
公开/授权文献
- US20130003354A1 Light Directing Sign Substrate 公开/授权日:2013-01-03
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