Invention Grant
- Patent Title: Optical film and image display device
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Application No.: US16651226Application Date: 2018-09-28
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Publication No.: US11367856B2Publication Date: 2022-06-21
- Inventor: Hiroki Matsushita , Yoshimasa Ogawa , Yousuke Kousaka , Jun Sato , Keisuke Ebisu
- Applicant: DAI NIPPON PRINTING CO., LTD.
- Applicant Address: JP Tokyo
- Assignee: DAI NIPPON PRINTING CO., LTD.
- Current Assignee: DAI NIPPON PRINTING CO., LTD.
- Current Assignee Address: JP Tokyo
- Agency: Hamre, Schumann, Mueller & Larson, P.C.
- Priority: JPJP2017-191319 20170929
- International Application: PCT/JP2018/036603 WO 20180928
- International Announcement: WO2019/066080 WO 20190404
- Main IPC: H01L51/52
- IPC: H01L51/52 ; G02B1/14 ; H01L27/32

Abstract:
An embodiment of the present invention provides an optical film (10) including a light-transmitting base material (11), a hard coat layer (12), and an inorganic layer (13) in this order, wherein the hard coat layer (12) is in contact with the inorganic layer (13), the hard coat layer (12) contains a binder resin (12A) and inorganic particles (12B), the hard coat layer (12) has a film thickness of 1 μm or more, and the hard coat layer (12) has an indentation hardness of 200 MPa or more.
Public/Granted literature
- US20200243798A1 OPTICAL FILM AND IMAGE DISPLAY DEVICE Public/Granted day:2020-07-30
Information query
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