Invention Grant
- Patent Title: Liquid crystal display having a frontside light control film
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Application No.: US17309492Application Date: 2019-12-10
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Publication No.: US11668977B2Publication Date: 2023-06-06
- Inventor: Nicholas A. Johnson , Encai Hao , Matthew M. Philippi
- 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 Jonathan L. Tolstedt
- International Application: PCT/IB2019/060616 2019.12.10
- International Announcement: WO2020/121193A 2020.06.18
- Date entered country: 2021-06-01
- Main IPC: G02F1/1335
- IPC: G02F1/1335 ; G02F1/13357

Abstract:
A liquid crystal display comprises a backlight module comprising a reflective polarizing film, a light control film and a liquid crystal panel disposed between the backlight module and the light control film. The light control film comprises a light input surface and a light output surface opposite the light input surface and alternating transmissive and absorptive regions disposed between the light input surface and the light output surface. The absorptive regions have an aspect ratio of at least 30.
Information query
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