Invention Grant
- Patent Title: Roll of film including multilayer birefringent reflective polarizer and polyvinyl alcohol layer with low pass axis variation
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Application No.: US16624455Application Date: 2018-06-26
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Publication No.: US11573361B2Publication Date: 2023-02-07
- Inventor: Kristy A. Gillette , Carl A. Stover , Matthew B. Johnson
- 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
- Agent Clifton F. Richardson
- International Application: PCT/IB2018/054705 WO 20180626
- International Announcement: WO2019/003107 WO 20190103
- Main IPC: G02B5/30
- IPC: G02B5/30 ; B32B7/023 ; B32B27/30
Abstract:
Rolls of film are described. In particular, rolls of film including a multilayer birefringent reflective polarizer and a polyvinyl alcohol layer are described. Such films exhibit low variation in pass axis across a full crossweb width.
Public/Granted literature
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