Title:
SPECTACLE LENS
Document Type and Number:
WIPO Patent Application WO/2020/067408
Kind Code:
A1
Abstract:
Provided is a spectacle lens which is provided with multilayer films on both surfaces of a lens base material, wherein a sum of average reflectances in the wavelength band of 400-440 nm on the respective surfaces of the spectacle lens is 20.0% or larger, the reflectances on the respective surfaces of the spectacle lens have at least one local maximum value in the wavelength band, and there is a difference between the average reflectance on one surface and the average reflectance on the other surface of the spectacle lens.
Inventors:
MIYAMOTO SOU (JP)
Application Number:
PCT/JP2019/038102
Publication Date:
April 02, 2020
Filing Date:
September 27, 2019
Export Citation:
Assignee:
HOYA LENS THAILAND LTD (TH)
MIYAMOTO SOU (JP)
MIYAMOTO SOU (JP)
International Classes:
G02C7/10; G02B5/26; G02B5/28; G02C7/00
Domestic Patent References:
WO2017090128A1 | 2017-06-01 | |||
WO2016088763A1 | 2016-06-09 |
Foreign References:
JP2012093639A | 2012-05-17 | |||
JP2012128135A | 2012-07-05 |
Other References:
See also references of EP 3859435A4
Attorney, Agent or Firm:
ANIYA Setuo et al. (JP)
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