Invention Grant
- Patent Title: Backlight including wide-web turning film and reflective polarizer with quarter-wave retarder
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Application No.: US16619300Application Date: 2018-06-05
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Publication No.: US11187847B2Publication Date: 2021-11-30
- Inventor: Quinn D. Sanford , Kenneth A. Epstein , Matthew B. Johnson , Gary T. Boyd
- 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 Michael Stern
- International Application: PCT/US2018/036081 WO 20180605
- International Announcement: WO2018/226711 WO 20181213
- Main IPC: F21V8/00
- IPC: F21V8/00 ; G02B5/30
Abstract:
Backlights are described. In particular, backlights including wide-web turning films and reflective polarizers having quarter-wave retarders are disclosed. Such configurations can provide turning film systems with improved luminance uniformity for large format displays.
Public/Granted literature
- US20210278586A1 Backlight Including Wide-Web Turning Film and Reflective Polarizer with Quarter-Wave Retarder Public/Granted day:2021-09-09
Information query
