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:
Jul. 06, 2021
Filed:
Jul. 25, 2017
Bnl Eurolens, Bellegarde sur Valserine, FR;
Sébastien Martins, Bellegarde sur Valserine, FR;
BNL EUROLENS, Bellegarde-sur-Valserine, FR;
Abstract
The invention relates to an ophthalmic lens () for a pair of sunglasses, said ophthalmic lens including at least one substrate (), the lens () having a transmission spectrum such that: the transmittance at wavelengths shorter than 380 nm is lower than 1%; the spectrum includes a first transmittance maximum (MAX-) having a transmittance higher than 8% between 390 nm and 420 nm; the spectrum includes a first transmittance minimum (MIN-) between 426 nm and 440 nm; the transmittance between 450 nm and 500 nm is higher than 10%; the spectrum includes between 570 nm and 595 nm a second transmittance minimum (MIN-); the spectrum includes between 590 nm and 620 nm a second transmittance maximum (MAX-); the spectrum includes in the wavelength range comprised between 620 nm and 640 nm a third transmittance minimum (MIN-); the transmittance at wavelengths longer than 640 nm is higher than 14%.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile