Invention Grant
- Patent Title: Optical film
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Application No.: US17569623Application Date: 2022-01-06
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Publication No.: US11707911B2Publication Date: 2023-07-25
- Inventor: Hidekazu Hayashi , Tokio Taguchi , Atsushi Niinoh , Kenichiro Nakamatsu , Yasuhiro Shibai
- Applicant: Sharp Kabushiki Kaisha
- Applicant Address: JP Sakai
- Assignee: SHARP KABUSHIKI KAISHA
- Current Assignee: SHARP KABUSHIKI KAISHA
- Current Assignee Address: JP Osaka
- Agency: Harness, Dickey & Pierce, P.L.C.
- Priority: JP 15092967 2015.04.30 JP 15226792 2015.11.19
- The original application number of the division: US15649755 2017.07.14
- Main IPC: B32B3/30
- IPC: B32B3/30 ; G02B1/118 ; G02B1/18 ; B29C59/02 ; C09D5/16 ; C08F290/06 ; C08L75/16 ; B32B27/08 ; G02B1/14 ; B29C33/62 ; B29D11/00 ; C09D5/00 ; C09D133/08 ; C09D133/24 ; C09D175/16 ; B32B27/30 ; B32B37/15 ; B32B38/06 ; B29C35/08 ; B29K33/04 ; B29K105/00

Abstract:
The present invention provides a method for producing an optical film excellent in anti-fouling properties and scratch resistance as well as anti-reflection properties. The method includes the steps of: (1) applying a lower layer resin and an upper layer resin; (2) forming a resin layer having the uneven structure on a surface thereof by pressing a mold against the lower layer resin and the upper layer resin from the upper layer resin side in the state where the applied lower layer resin and upper layer resin are stacked; and (3) curing the resin layer, the lower layer resin containing at least one kind of first monomer that contains no fluorine atoms, the upper layer resin containing a fluorine-containing monomer and at least one kind of second monomer that contains no fluorine atoms, at least one of the first monomer and the second monomer containing a compatible monomer that is compatible with the fluorine-containing monomer and being dissolved in the lower layer resin and the upper layer resin.
Public/Granted literature
- US20220126542A1 OPTICAL FILM Public/Granted day:2022-04-28
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