Invention Grant
- Patent Title: Optical film, and optical barrier film, color conversion film and backlight unit each using the same
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Application No.: US15587043Application Date: 2017-05-04
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Publication No.: US11243335B2Publication Date: 2022-02-08
- Inventor: Genki Harada , Hayato Ida
- Applicant: TOPPAN PRINTING CO., LTD.
- Applicant Address: JP Tokyo
- Assignee: TOPPAN PRINTING CO., LTD.
- Current Assignee: TOPPAN PRINTING CO., LTD.
- Current Assignee Address: JP Tokyo
- Agency: Foley & Lardner LLP
- Priority: JPJP2014-231621 20141114
- Main IPC: B32B7/02
- IPC: B32B7/02 ; G02B1/14 ; F21V9/30 ; B32B9/00 ; G02B1/16 ; F21V8/00 ; G02B5/02 ; G02F1/13357 ; G02F1/1335
Abstract:
An optical film comprises a first transparent film substrate, a matte layer arranged on the first transparent film substrate and having irregularities, the matte layer having a coefficient of static friction of not larger than 0.3 and a maximum height roughness Rz of not less than 0.05 μm to not larger than 8 μm.
Public/Granted literature
- US20170235025A1 OPTICAL FILM, AND OPTICAL BARRIER FILM, COLOR CONVERSION FILM AND BACKLIGHT UNIT EACH USING THE SAME Public/Granted day:2017-08-17
Information query
