Invention Grant
- Patent Title: High transmission light control film
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Application No.: US17264512Application Date: 2019-07-30
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Publication No.: US11550183B2Publication Date: 2023-01-10
- Inventor: Daniel J. Schmidt , Kevin W. Gotrik , Nicholas A. Johnson , Raymond J. Kenney , Caleb T. Nelson , Kenneth A. Epstein
- Applicant: 3M INNOVATIVE PROPERTIES COMPANY
- Applicant Address: US MN St. Paul
- Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee Address: US MN St. Paul
- International Application: PCT/IB2019/056489 WO 20190730
- International Announcement: WO2020/026139 WO 20200206
- Main IPC: G02F1/1335
- IPC: G02F1/1335 ; G02B5/00 ; G02B5/30

Abstract:
A light control film comprises a light input surface and a light output surface opposite the light input surface; alternating transmissive regions and absorptive regions disposed between the light input surface and the light output surface, wherein the absorptive regions comprise a core having a first concentration, C1, of a light absorbing material sandwiched between cladding layers having a second concentration, C2, of the light absorbing material, wherein C2
Public/Granted literature
- US20210333624A1 HIGH TRANSMISSION LIGHT CONTROL FILM Public/Granted day:2021-10-28
Information query
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