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Title:
OPTICAL FILM FOR EYEWEAR WITH LIGHT-BLOCKING FUNCTION, OPTICAL LAMINATE USING SAME AND EYEWEAR WITH LIGHT-BLOCKING FUNCTION
Document Type and Number:
WIPO Patent Application WO/2018/186369
Kind Code:
A1
Abstract:
An optical film for eyewear with a light-blocking function according to the present invention is provided with at least one light reflection layer including a cholesteric liquid crystal layer having a central reflection wavelength in a wavelength region of 400-500 nm inclusive, wherein the light reflection layer is disposed outermost from the wearer side of the eyewear, and the average visible light transmittance is 60% or more.

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Inventors:
YAHAGI YOSHIYUKI (JP)
TANAKA KOUICHI (JP)
Application Number:
PCT/JP2018/014172
Publication Date:
October 11, 2018
Filing Date:
April 02, 2018
Export Citation:
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Assignee:
NIPPON KAYAKU KK (JP)
International Classes:
G02B5/30; B32B7/02; B32B27/06; G02C7/10
Domestic Patent References:
WO2015093093A12015-06-25
WO2016002582A12016-01-07
WO2018021486A12018-02-01
Foreign References:
JP2003315556A2003-11-06
JP2004029824A2004-01-29
JP2002179668A2002-06-26
JP2007271808A2007-10-18
JP2003306491A2003-10-28
JP2003313292A2003-11-06
Other References:
See also references of EP 3608696A4
Attorney, Agent or Firm:
EINSEL Felix-Reinhard et al. (JP)
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