Title:
OPTICAL FILM AND METHOD FOR MANUFACTURING OPTICAL FILM
Document Type and Number:
WIPO Patent Application WO/2022/071397
Kind Code:
A1
Abstract:
[Problem] To enable improvement in visibility during handling of an optical film, and easy formation of an antireflective region and a visible region on a surface of the optical film in the same processing step. [Solution] An optical film 1 is provided with a flexible base material 11 and a resin layer 12 overlaid on at least one surface of the base material 11. The resin layer 12 comprises: an uneven pattern region 2 in which a fine uneven structure 20 constituted of a plurality of protruding portions 21 or recessed portions 22 arranged at a pitch P no greater than the wavelength of visible light is formed; and a band-shaped line marker region 3 in which a plurality of protruding line portions 31 arranged at intervals at a track pitch PtPt no less than the wavelength of visible light are formed.
Inventors:
MURAMOTO YUTAKA (JP)
Application Number:
PCT/JP2021/035871
Publication Date:
April 07, 2022
Filing Date:
September 29, 2021
Export Citation:
Assignee:
DEXERIALS CORP (JP)
International Classes:
B29C59/04; G02B1/118; B29L7/00; B29L11/00
Foreign References:
| JP2016096275A | 2016-05-26 | |||
| JP2002210822A | 2002-07-31 | |||
| JP2017077689A | 2017-04-27 | |||
| JP2014155689A | 2014-08-28 |
Attorney, Agent or Firm:
AOMI PATENT (JP)
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