Invention Grant
- Patent Title: Retroreflecting optical construction
- Patent Title (中): 后向光学构造
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Application No.: US12760738Application Date: 2010-04-15
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Publication No.: US08534849B2Publication Date: 2013-09-17
- Inventor: William D. Coggio , John S. Huizinga , Michael L. Steiner , Robert F. Watkins , Encai Hao , William B. Kolb , Peiwang Zhu , Michael Benton Free , Brant U. Kolb , Kui Chen-Ho , Paul E. Humpal , Kenneth L. Smith , Scott M. Tapio
- Applicant: William D. Coggio , John S. Huizinga , Michael L. Steiner , Robert F. Watkins , Encai Hao , William B. Kolb , Peiwang Zhu , Michael Benton Free , Brant U. Kolb , Kui Chen-Ho , Paul E. Humpal , Kenneth L. Smith , Scott M. Tapio
- Applicant Address: US MN St. Paul
- Assignee: 3M Innovative Properties Company
- Current Assignee: 3M Innovative Properties Company
- Current Assignee Address: US MN St. Paul
- Main IPC: G02B5/124
- IPC: G02B5/124

Abstract:
Retroreflecting optical constructions are disclosed. A disclosed retroreflecting optical construction includes a retroreflecting layer that has a retroreflecting structured major surface, and an optical film that is disposed on the retroreflecting structured major surface of the retroreflecting layer. The optical film has an optical haze that is not less than about 30%. Substantial portions of each two neighboring major surfaces in the retroreflecting optical construction are in physical contact with each other.
Public/Granted literature
- US20100265584A1 RETROREFLECTING OPTICAL CONSTRUCTION Public/Granted day:2010-10-21
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