The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 29, 2022
Filed:
Sep. 28, 2018
Applicants:
Hoya Lens Thailand Ltd., Pathumthani, TH;
Jins Holdings Inc., Maebashi, JP;
Inventors:
Yoichi Ogo, Tokyo, JP;
Shunsuke Shioya, Maebashi, JP;
Assignees:
HOYA Lens Thailand Ltd., Patumthani, TH;
JINS HOLDINGS INC., Maebashi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02C 7/10 (2006.01); G02B 1/115 (2015.01); G02B 1/14 (2015.01); G02B 5/22 (2006.01); G02B 5/26 (2006.01); G02B 5/28 (2006.01);
U.S. Cl.
CPC ...
G02B 1/115 (2013.01); G02B 1/14 (2015.01); G02B 5/22 (2013.01); G02B 5/26 (2013.01); G02B 5/28 (2013.01); G02C 7/107 (2013.01);
Abstract
Provided is a spectacle lens, having a lens substrate including a blue light absorbable compound, and a multilayer film including a chromium layer with a film thickness of 1.0 to 10.0 nm, blue light cut rate being 21.0% or more, a dominant wavelength measured at the object side surface of the spectacle lens falling within a range of 500.0 to 550.0 nm, and a dominant wavelength measured at the eyeball side surface of the spectacle lens falling within a range of 500.0 to 550.0 nm.