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Patent Searching and Data


Title:
SPECTACLE LENS AND SPECTACLES
Document Type and Number:
WIPO Patent Application WO/2020/004414
Kind Code:
A1
Abstract:
A spectacle lens including at least a lens base material and a multilayer film positioned on the eye-side surface of the lens base material, the average reflectance Rm (280-380) in a wavelength region of 280-380 nm measured on the eye-side surface of the spectacle lens being 10.0% or less, and the chroma C* measured on the eye-side surface of the spectacle lens under a CIE standard light source D65 being 0.5 to 5.0.

Inventors:
MIYAMOTO Sou (6-10-1 Nishi-Shinjuku, Shinjuku-k, Tokyo 47, 〒1608347, JP)
Application Number:
JP2019/025225
Publication Date:
January 02, 2020
Filing Date:
June 25, 2019
Export Citation:
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Assignee:
HOYA LENS THAILAND LTD. (853 Phaholyothin Road, Prachatipat Thanyabur, Pathumthani ., 12130, TH)
MIYAMOTO Sou (6-10-1 Nishi-Shinjuku, Shinjuku-k, Tokyo 47, 〒1608347, JP)
International Classes:
G02C7/02; G02B1/115
Domestic Patent References:
WO2016088763A12016-06-09
WO2017077358A12017-05-11
WO2014208412A12014-12-31
WO2014050930A12014-04-03
Foreign References:
JP2013545145A2013-12-19
Attorney, Agent or Firm:
SIKS & CO. (8th Floor, Kyobashi-Nisshoku Bldg. 8-7, Kyobashi 1-chome, Chuo-k, Tokyo 31, 〒1040031, JP)
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