Essilor International (compagnie Generale D'optique)

Essilor International

Richard Muisener

Herbert Mosse

Haifeng Shan

Jean-Paul Cano

Claudine Biver

Aref Jallouli

Guillaume Giraudet

John Biteau

Gerald Fournand

Zeming Gou

Cédric Begon

Sidney Shaw White, Jr

Richard Bosmans

Aude Lapprand

Marvin Pounders

Robert Rist

Bill Houle

The invention concerns an optical lens comprising (i) a temporary coating at least partially covering a surface of the lens, said temporary coating comprising an outermost layer mechanically degradable through friction and/or contact; (ii) a removable film having opposite first side and second sides which adhere to said outermost layer through its first side, wherein&#x2014;the first side of the film has a roughness Rq lower than 750 nm and the first side of the film has a surface energy lower than 38 mJ/m.

Optical lens comprising a protective removable film

A process is described for manufacturing an ophthalmic lens containing a Fresnel microstructured surface inside the lens. The Fresnel lens is injection molded with a mold insert having a heat conductivity lower than the thermoplastic material used to form the Fresnel lens. A second thermoplastic material is overmolded to the Fresnel lens to cover and protect the microstructured surface. The mold insert is made from nickel or a thermoplastic material. The resulting lens includes two layers having different refractive indices. The Fresnel lens may be made from polycarbonate while the overmold may be made from a poly(methyl methacrylate) or a thermoplastic polyurethane.

Ophthalmic lens containing a fresnel surface and method for manufacturing same

The present invention is drawn to a process of drilling organic glasses, comprising the steps of:

Process of drilling organic glasses using a thermoplastic film protecting against cracking and crazing

Methods and apparatuses for coating at least a portion of a curved surface of a lens with a polarizing liquid are disclosed throughout the specification. For example, there is provided a method comprising providing a lens having a curved surface, and applying a polarizing liquid to at least a portion of the curved surface by shear flow with a flexible apparatus. Other methods are included. Apparatuses include ophthalmic lenses having polarized coatings formed according to any of the disclosed methods.

Methods for coating lenses curved surfaces with a polarizing liquid

The present invention relates to a light polarizing ophthalmic lens comprising a substrate made of organic glass and an optically transparent composite film deposited on the front main face of the substrate, said transparent composite film comprising a latex layer having an outer main face provided with parallel microgrooves, and a polarizing dye material filling at least partially the said microgrooves. The present invention also relates to a process for the manufacture of the light polarizing ophthalmic lens.

Ophthalmic lens with an optically transparent composite film exhibiting both impact-resistance property and polarizing property, and a process for its manufacture

A transparent and polarizing vision element () divided into several areas. At least two of said areas are associated with a luminous polarization filter. The light flowing through the element is allocated differently for two the areas according to a direction of polarization of the light. At least one polarization filter is oriented vertically, and at least one polarization filter is oriented horizontally in relation to the usual position of the element.

Transparent and polarizing vision element having areas which are associated with polarization filters that are respectively vertically and horizontally oriented

Methods of coating at least a portion of a curved surface of a lens with a polarizing liquid. One method includes providing a lens having a curved surface and a lens axis; and rotating the lens about a rotation axis such that a polarizing liquid flows over at least a portion of the curved surface; the rotation axis being offset from the lens axis. Other methods are included. Apparatuses include ophthalmic lenses having polarized coatings formed according to any of the disclosed methods.

Methods for coating lenses

Ophthalmic lens with an optically transparent composite film exhibiting both impact resistance property and polarizing property, and a process for its manufacture

The present invention relates to the field of reducing or eliminating unpleasant odor and/or delivering a pleasant odor upon edging and/or surfacing lenses, and more particularly ophthalmic lenses. The present invention also relates to perfume delivering ophthalmic lenses, that deliver a slight perfume pleasant for the wearer of eyeglasses.

Growing community of inventors

Tarpon Springs, FL, United States of America

Richard Muisener