Title:
眼鏡レンズおよび眼鏡
Document Type and Number:
Japanese Patent JP6974305
Kind Code:
B2
Abstract:
Provided is a spectacle lens including a lens substrate, a multilayer film located on an object-side surface of the lens substrate, and a multilayer film located on an eyeball-side surface of the lens substrate, wherein a blue light absorption rate is 10.0% or higher, the lens substrate includes a blue-light-absorbing compound, and an average reflectance in a wavelength range of 400 nm to 500 nm measured on each of the object-side surface and the eyeball-side surface of the spectacle lens is in a range of 10.0% to 20.0%, and a luminous reflectance measured on each of the object-side surface and the eyeball-side surface of the spectacle lens is less than 2.0%.
Inventors:
Hitoshi Kamura
Yoichi Kogo
Yoshitaka Matsui
Kenji Takashiba
Yoichi Kogo
Yoshitaka Matsui
Kenji Takashiba
Application Number:
JP2018509701A
Publication Date:
December 01, 2021
Filing Date:
March 31, 2017
Export Citation:
Assignee:
HOYA Lens Thailand Ltd
International Classes:
G02C7/10; G02B1/115; G02B5/26; G02B5/28; G02C7/02
Domestic Patent References:
| JP2015203856A | ||||
| JP2015118122A | ||||
| JP2015135495A | ||||
| JP2013238634A | ||||
| JP2012173704A | ||||
| JP2014199327A | ||||
| JP2015117948A | ||||
| JP2010507108A |
Foreign References:
| WO2016143899A1 | ||||
| WO2014103921A1 |
Attorney, Agent or Firm:
Patent Service Corporation Patent Office Sykes
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