Invention Grant
- Patent Title: Unitary optical film assembly
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Application No.: US16076004Application Date: 2017-02-10
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Publication No.: US11294106B2Publication Date: 2022-04-05
- Inventor: Tri D. Pham , Qingbing Wang , Daniel J. Theis , Encai Hao , Keith R. Bruesewitz
- 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/US2017/017417 WO 20170210
- International Announcement: WO2017/139611 WO 20170817
- Main IPC: G02B5/02
- IPC: G02B5/02 ; B29D11/00
Abstract:
A unitary optical film stack comprising a light redirecting film assembly; a light diffusion film assembly; and an optical adhesive; wherein the light redirecting film assembly and the light diffusion film assembly are physically coupled non-continuously to minimize optical coupling.
Public/Granted literature
- US20210191003A1 UNITARY OPTICAL FILM ASSEMBLY Public/Granted day:2021-06-24
Information query
