B29D11/00413

Optical Articles Comprising Encapsulated Microlenses and Methods of Making the Same

The present disclosure includes optical articles comprising a lens having first and second lens surfaces and a protective layer having first and second protective surfaces that is coupled to the lens such that the first protective surface is disposed on the second lens surface. The optical article can comprise a plurality of convex or concave optical elements defined on the second lens surface or the first protective surface. The protective layer can have a maximum thickness larger than a maximum height of each of the optical elements such that the protective layer encapsulates the optical elements.

CASTING A LENS WITH SURFACE MICROSTRUCTURES
20230136033 · 2023-05-04 ·

A mold element (350) is fabricated (305, 310, 315) using a first mold (5) with which microstructures (323) are integrally formed in relief on the mold element (350). A lens (340) is cast (320, 325, 330, 335) using a second mold (7) that includes the mold element (350) such that the microstructures (337) are integrally formed on the lens (340).

Eyeglass of 3D glasses and fabrication method thereof, and 3D glasses

An eyeglass of a 3D glasses, a fabrication method thereof and a 3D glasses are provided. The eyeglass of the 3D glasses comprises: a substrate (2), configured to have a 3D function; and a lens (1) having a converging or diverging function, laminated on the substrate. The eyeglass of the 3D glasses and the 3D glasses have a myopic or hyperopic function simultaneously.

ELECTRO-ACTIVE OPHTHALMIC DEVICE SATISFYING A PRESCRIPTION FOR 5 POWER CORRECTION(S), MANUFACTURING METHOD AND USE OF A SEMI-FINISHED HYBRID LENS

The invention relates to an ophthalmic device (1) satisfying a prescription for at least one power correction for a wearer, to a method for manufacturing it and to a use of a semi-finished hybrid ophthalmic lens.

The device comprises at least one electro-active cell (3) which comprises a rear shell (4) and a front shell (5) defining for the device a backside surface and an opposite front surface, the shells (4 and 5) being provided with transparent electrodes and delimiting a sealed cavity.

According to the invention, the rear shell (4) derives from a semi-finished hybrid ophthalmic lens comprising: a front mineral part having a first mineral face proximal to the front shell (5) and a second mineral face opposite to the first mineral face, and a rear plastic part attached to the front mineral part, the rear plastic part having a front plastic face bonded to said second mineral face and an unsurfaced rear plastic face which defines said backside surface and is configured to impart said prescription to the ophthalmic device, after surfacing said semi-finished hybrid ophthalmic lens.

Systems, articles, and methods for integrating holographic optical elements with eyeglass lenses
11675194 · 2023-06-13 · ·

Systems, articles, and methods that integrate photopolymer film with eyeglass lenses are described. One or more hologram(s) may be recorded into/onto the photopolymer file to enable the lens to be used as a transparent holographic combiner in a wearable heads-up display employing an image source, such as a microdisplay or a scanning laser projector. The methods of integrating photopolymer film with eyeglass lenses include: positioning photopolymer film in a lens mold and casting the lends around the photopolymer film; sandwiching photopolymer film in between two portions of a lens' applying photopolymer film to a concave surface of a lens' and/or affixing a planar carrier (with photopolymer film thereon) to two points across a length of a concave surface of a lens. Respective lenses manufactured/adapted by each of these processes are also described.

Method for designing a mould for casting a semi-finished ophthalmic lens blank and computer program product for carrying out said method

A method for designing a mould (120) for casting a semi-finished ophthalmic lens blank, wherein the surface of the mould (120) is designed so that the surface of the mould fits a predetermined closed curve, wherein the predetermined closed curve is representative of the geometry of a gasket (160) to be used in association with the mould (10). A method for assembling a mould assembly (100) and a method for casting a semi-finished ophthalmic lens blank, and a computer program product including software code portions for performing steps of these methods are also described.

Polarized plastic lens for spectacles and method for manufacturing polarized plastic lens for spectacles

There is provided a polarized plastic lens for spectacles configured to be thin having almost the same thickness as the thickness of a normal plastic lens for spectacles, and a method for manufacturing the polarized plastic lens for spectacles, the plastic lens including a first lens base material having an object-side surface; a second lens base material having an eyeball-side surface; and a polarized film provided between the first lens base material and the second lens base material so that a minimum value of a distance between the polarized film and the object-side surface is 0.3 mm or more and 0.7 mm or less.

Molding device comprising mold shells and a gasket for manufacturing an ophthalmic lens configured to be worn by a wearer, such a gasket, and a method for manufacturing such a lens
11426960 · 2022-08-30 · ·

A molding device includes mold shells and a gasket for manufacturing by molding an ophthalmic lens configured to be worn by a wearer, the mold shells each having a molding face and a peripheral side and the gasket including a closed loop portion sandwiched between the molding faces and remotely to the peripheral sides, thus forming a molding cavity of the ophthalmic lens inside the closed loop portion of the gasket, the gasket including a plurality of elongated positioning members each projecting externally from the closed loop portion and each being fastened on a said peripheral side of at least one of the mold shells, the elongated positioning members each having a respective length which is determined in function of an optical axis characteristic of the wearer.

Sealed module with glue guiding features and method for making same

A sealed module is provided in the present disclosure. The sealed module includes a first substrate with a lens unit and an adhesive geometry formed around the lens unit, a second substrate stacked onto the first substrate, and a sealing wall for sealing the first substrate with the second substrate to form a closed cavity. The lens unit is located in the closed cavity, and the adhesive geometry serves as an adhesive barrier. The adhesive geometry includes glue guiding features for controlling a track of adhesive glue during a stacking process between the first substrate and the second substrate. The present disclosure further provides a method for making a sealed module.

Curved lenses and related methods
09759850 · 2017-09-12 · ·

Curved lenses and methods for making curved lenses are described. One embodiment of a method of making a curved lens includes curving a lens blank made of a linear polarizer layer laminated together with a plurality of polymeric layers. The lens blank is curved by heating and pressing the lens blank between a curved rigid member and a flexible member at a pressure and maintaining the pressure for a time sufficient to allow the lens blank to conform to the shape of the curved rigid member. Methods of the invention may be used to make curved lenses with different polarization properties and curvatures.