公开(公告)号：US20190171039A1

公开(公告)日：2019-06-06

申请号：US16324043

申请日：2017-04-28

Applicant: ESSILOR INTERNATIONAL

Inventor： Xingzhao DING ,  Gracia LOO ,  Andrew Rosales PELAYO

IPC: G02C7/10

Abstract: This invention relates to an optical article comprising a transparent substrate coated with an antireflective coating comprising at least two layers having a low refractive index, and at least two layers having a high refractive index, one layer having a high refractive index being the nearest from said substrate, characterized in that the total physical thickness of said antireflective coating is equal to or lower than 600 nm, and such that: —the mean reflection factor in the near infrared region is higher than or equal to 20% at an angle of incidence lower than 35°, and—the mean reflection factor RmB of blue light at a wavelength ranging from 420 to 450 nm is higher than or equal to 7.0% at an angle of incidence lower than 15°.