Title:
OPTICAL MEMBER AND METHOD FOR PRODUCING OPTICAL MEMBER
Document Type and Number:
WIPO Patent Application WO/2017/115694
Kind Code:
A1
Abstract:
The present invention provides an optical member which has excellent antifouling properties, scratch resistance and antifogging properties. An optical member according to the present invention has a recessed and projected structure, in which a plurality of projections are formed at a pitch that is not more than the wavelength of visible light, in the surface. Each one of the plurality of projections has a hydrophilic portion at the front edge; and preferably, each one of the plurality of projections is configured from a hydrophobic resin and the front edge thereof is covered by a hydrophilic material. The hydrophilic material contains silicon dioxide; and the thickness of the hydrophilic material is 30 nm or less.
More Like This:
Inventors:
HAYASHI HIDEKAZU
TAGUCHI TOKIO
YAMADA NOBUAKI
TAGUCHI TOKIO
YAMADA NOBUAKI
Application Number:
PCT/JP2016/088015
Publication Date:
July 06, 2017
Filing Date:
December 21, 2016
Export Citation:
Assignee:
SHARP KK (JP)
International Classes:
G02B1/118; B32B3/30; B32B7/02; G02B1/10; G02B1/18
Domestic Patent References:
WO2012133946A1 | 2012-10-04 |
Foreign References:
JP2014071323A | 2014-04-21 |
Attorney, Agent or Firm:
YASUTOMI & ASSOCIATES (JP)
Download PDF:
Previous Patent: FLOATING CONNECTOR DEVICE
Next Patent: OPTICAL MEMBER, AND METHOD FOR INSPECTING DEFECTS IN ANTIREFLECTION MEMBER
Next Patent: OPTICAL MEMBER, AND METHOD FOR INSPECTING DEFECTS IN ANTIREFLECTION MEMBER