B29D11/00009

POLARIZED LENS AND METHOD FOR PROVIDING A POLARIZED LENS

A polarized lens for eyeglasses and the like, which includes a polarizing wafer superimposed on a lens body made of polyamide material and at least one external layer of lacquering which coats externally the polarizing wafer and the lens body, The polarizing wafer includes an internal polarizing layer between a first external layer of polyamide and a second external layer of polyamide, a first layer of glue interposed between the internal polarizing layer and the first external layer of polyamide, and a second layer of glue interposed between the internal polarizing layer and the second external layer of polyamide, The at least one external layer of lacquering includes at least one polysiloxane or acrylic lacquer.

SYSTEMS AND METHODS FOR OPTICAL DEVICES WITH ANTIREFLECTIVE TREATMENTS
20220365247 · 2022-11-17 ·

A method may include stretching a deformable bounding element into a stretched state. The method may further include coating the deformable bounding element with at least one layer of an anti-reflective material while the deformable bounding element is in the stretched state and assembling an optical lens assembly including the deformable bounding element, such that the optical lens assembly adjusts at least one optical property by controlling a shape of the deformable bounding element. The deformable bounding element may have less tension when in a neutral state than the deformable bounding element has when in the stretched state. The method may additionally include coating the deformable bounding element with at least one layer of an anti-reflective material while the deformable bounding element is not in a stretched state. Various other apparatuses, systems, and methods are also disclosed.

RESIN MOLDED PRODUCT, INTERCHANGEABLE LENS FOR CAMERA, AND METHOD OF MANUFACTURING RESIN MOLDED PRODUCT
20170336535 · 2017-11-23 ·

A filler-containing resin molded product with a surface which includes irregularities which are transferred from a mold cavity to the surface and have an arithmetic mean roughness of 0.8 μm or greater and 10 μm or less and a peak arithmetic mean curvature of 400 [1/mm] or greater and 900 [1/mm] or less.

EYEWEAR WITH CHROMA ENHANCEMENT
20230176402 · 2023-06-08 · ·

Some embodiments provide a lens including a lens body and an optical filter configured to attenuate visible light in certain spectral bands. At least some of the spectral bands can include spectral features that tend to substantially increase the colorfulness, clarity, and/or vividness of a scene. In certain embodiments, eyewear incorporates an optical filter that enhances chroma within one or more spectral bands. In some embodiments, a wearer of the eyewear can perceive the increase in chroma when viewing at least certain types of scenes.

Glasses manufacture
11668953 · 2023-06-06 · ·

A method of eyewear manufacture including: adhering frame material onto a surface of a corrective lens, the frame material extending along at least 10% of an edge circumference of the lens; and attaching the lens to a second lens.

FUNCTIONAL SHEET INCLUDING POLYESTER RESIN, AND LENS USING FUNCTIONAL SHEET

The present invention provides a functional sheet including a functional layer provided between protective layers. The functional layer is a polarizing film layer, a photochromic layer, or a combination of the polarizing film layer and the photochromic layer. At least one of the protective layers includes a layer formed of a resin (C) containing a polyester resin (A) obtained as a result of polycondensation of 1,4-cyclohexanedimethanol and 1,4-cyclohexanedicarboxylic acid and an aromatic polycarbonate resin (B), the polyester resin (A) being contained at a content of 10 to 100 parts by mass and the aromatic polycarbonate resin (B) being contained at a content of 0 to 90 parts by mass with respect to 100 parts by mass as a total of the polyester resin (A) and the aromatic polycarbonate resin (B). A lens is provided with such a functional sheet.

REPLICATION TOOL

The present invention relates to a replication tool for replicating an element from a replication material, the replication tool comprising a replication side, a plurality of cavities on the replication side, each defining the shape of one element or a group of elements, the replication tool further comprising at least one bump portion, protruding, on the replication side, from the cavities, and further comprising means for confining the replication material to a predetermined area of the tool, when the tool is pressed against a substrate, which predetermined area exceeds the desired volume of the element in at least one direction along the surface of the substrate.

METHOD AND MANUFACTURING SYSTEM FOR MANUFACTURING AN OPTICAL LENS

A method for manufacturing an optical lens having at least a reference optical power at a given point is described. This method includes the steps of: selecting, among a fixed number of optical elements, one optical element to manufacture the optical lens, the step of selecting being executed as a function of the reference optical power at the given point of the optical lens, the step of selecting being executed such that the selected optical element has an optical power having an absolute value lower than or equal to the absolute value of the reference optical power at the given point of the optical lens; and manufacturing the optical lens using an additive manufacturing technology by depositing a complementary portion on the selected optical element. A manufacturing system for manufacturing an optical lens is also described.

LAMP ASSEMBLY AND MOLDING METHOD
20170314761 · 2017-11-02 ·

An exemplary lamp assembly includes a lens, a base, and a textured surface between an outwardly facing surface of the lens and an outwardly facing surface of the base. An exemplary lamp molding method includes injecting a first material into a mold cavity to form a lens, and injecting a second material against a textured surface of the lens within the mold cavity to form a base.

METHOD AND DEVICE FOR MANUFACTURING AN OPHTHALMIC LENS

Disclosed are a method and device for manufacturing an ophthalmic lens for eyeglasses intended to be placed in front of an eye of a wearer, the ophthalmic lens having a desired optical function including a dioptric function adapted to a prescription of the wearer. The method includes: providing an optical element made of a first material having a first refractive index, the optical element being intended to be modified to manufacture the ophthalmic lens; providing data relative to the modification of the optical element enabling to obtain the desired optical function; determining at least one zone in the first material based on data; and modifying the refractive index of the first material to form a pattern in the determined zone with focused femtosecond laser pulses according to data so as to obtain an ophthalmic lens having the desired optical function.