B29D11/00865

STRUCTURALLY-COLORED ARTICLES AND METHODS FOR MAKING AND USING STRUCTURALLY-COLORED ARTICLES
20230120956 · 2023-04-20 ·

One or more aspects of the present disclosure provide articles of manufacture and components of articles that incorporate an optical element that imparts a structural color to the component or the article. The component comprises a thermoplastic polymeric material, and can include or be made to have a textured surface.

ANTI-GLARE ANTIREFLECTION MEMBER, POLARIZING PLATE, SURFACE PLATE, AND IMAGE DISPLAY DEVICE WHICH ARE PROVIDED WITH ANTI-GLARE ANTIREFLECTION MEMBER, AND METHOD FOR SELECTING ANTI-GLARE ANTIREFLECTION MEMBER

Provided is an anti-glare antireflection member capable of suppressing coloring in viewing in an oblique direction, and suppressing visual recognition of local luminescent spots. The anti-glare antireflection member comprises an anti-glare layer and a low refractive index layer on a substrate. The average of Δd is 7.0 nm or more and 40.0 nm or less, where Δd is a thickness difference of the low refractive index layer in an arbitrary 2 mm×2 mm region of the anti-glare anti refractive index layer.

Coatings of non-planar substrates and methods for the production thereof

A coated article is described herein that may comprise a substrate and an optical coating. The substrate may have a major surface comprising a first portion and a second portion. A first direction that is normal to the first portion of the major surface may not be equal to a second direction that is normal to the second portion of the major surface. The optical coating may be disposed on at least the first portion and the second portion of the major surface. The coated article may exhibit at the first portion of the substrate and at the second portion of the substrate hardness of about 8 GPa or greater at an indentation depth of about 50 nm or greater as measured on the anti-reflective surface by a Berkovich Indenter Hardness Test.

LENS WITH SURFACE MICROSTRUCTURES ENCAPSULATED BY A THICK LOW REFRACTIVE INDEX HARD COAT
20230161078 · 2023-05-25 ·

The invention relates to an optical article comprising a base lens substrate having a at least one or a plurality of optical elements such as microlenses, a Fresnel structures, etc protruding from a surface thereof, and a hard coat covering encapsulating each optical elements. More particular it relates to an optical article comprising: a base lens substrate having opposing first and second lens surfaces; a protective layer having opposing first and second protective surfaces and a maximum thickness, measured in a direction perpendicular to the first protective surface between the first and second protective surfaces, the first protective surface disposed on the second lens surface; and at least one or a plurality of optical elements, each: defining a portion of one of the first protective surface and the second lens surface; having a maximum height, measured in a direction perpendicular to the second lens surface carrying them, that is less than or equal to 0.1 millimeters (mm) and a diameter that is less than or equal to 2.0 mm. wherein the protective layer is composed of a crosslinked matrix and nanoparticles and the index nc of said protective layer is lower than the index nm of the at least one or each optical element such that the difference nm−nc is greater than 0.045, preferably greater than 0.10, or even greater than 0.15; and wherein the maximum thickness of the protective layer is at least 2 times, preferably at least 5 times of the maximum height of the at least one or each of the optical elements. The invention also relates to the method for forming such optical articles, typically comprising an inkjet step.

SPECTACLE LENS WITH ANTIBACTERIAL AND/OR ANTIVIRAL PROPERTIES AND METHOD FOR MANUFACTURING THE SAME
20230161081 · 2023-05-25 ·

A spectacle lens has on at least one surface thereof at least two coatings modified to exhibit an antibacterial effect and/or an antiviral effect. A method of making such a spectacle lens includes dispersing at least one biocidal component in a solvent and/or dissolving at least one biocidal component in a solvent, the dispersed at least one biocidal component and the dissolved at least one biocidal component being different from each other.

Method for manufacturing optical fiber

A method for manufacturing an optical fiber includes: a coating step of forming a first layer by applying a first ultraviolet ray curable resin composition onto a glass fiber, and then, of forming a second layer by applying a second ultraviolet ray curable resin composition onto the first layer; a first irradiation step of curing the first layer and the second layer by irradiating the first layer and the second layer with an ultraviolet ray, and of obtaining the optical fiber including a primary resin layer and a secondary resin layer; and a second irradiation step of irradiating the optical fiber with an ultraviolet ray at an illuminance of less than or equal to one tenth of an illuminance in the first irradiation step for an irradiation time of longer than or equal to 10 times an irradiation time in the first irradiation step.

CONDUCTIVE OPTICAL FILM AND METHOD FOR MANUFACTURING SAME

An optical film according to the present disclosure comprises: a transparent substrate; a network of conductive nanowires positioned on at least one surface of the transparent substrate; and an organic binder, wherein the organic binder includes a first organic binder and a second organic binder having different solubility parameters (Hildebrand solubility parameter, δ) from each other, a difference in the solubility parameter between the first organic binder and the second organic binder being 5 MPa.sup.0.5 or more, and the optical film has a haze of 2.0% or less and a sheet resistance of 25 Ω/sq or less.

CONTACT LENS AND MANUFACTURING METHOD THEREOF
20220332875 · 2022-10-20 ·

A contact lens includes a lens body and a hydrophilic surface modification layer. The lens body is formed by a lens composition including a reactive additive, in which the reactive additive has a reactive functional group, and a surface of the lens body has the reactive functional group. The hydrophilic surface modification layer includes a modification layer and a hydrophilic layer. The modification layer is adhered on the surface of the lens body by covalently bonding to the reactive functional group. The hydrophilic layer is formed on the modification layer by covalently bonding a hydrophilic compound to the modification layer.

SHAPING AN OPHTHALMIC LENS

Apparatus and methods are described including an additional lens (24) made from an amorphous viscoelastic material and having an optical design. A curvature of the additional lens (24) is changed such as to conform with a curvature of abase eyeglasses lens (22), without causing a loss of the optical design of the additional lens (24), by heating the additional lens (24) to a temperature at which a Tan Delta of the amorphous viscoelastic material is between 0.2 and 0.8, and shaping the additional lens (24). Subsequently, the additional lens (24) is adhered to the base eyeglasses lens (22). The optical design of the additional lens (24) is such that, upon being adhered to the base eyeglasses lens (22), the adhered base eyeglasses lens (22) and the additional lens (24) provide a combined lens (20) having a desired optical prescription. Other applications are also described.

SELF-ALIGNED INTEGRATED LENS ON PILLAR

Various embodiments provide methods for fabricating a couplable electro-optical device. An example method comprises fabricating a pillar on a substrate by forming a lens spacer portion about an electro-optical component fabricated on the substrate; and adhering unshaped lens material to an exposed surface of the pillar. The exposed surface of the pillar is disposed opposite the substrate. The example method further comprises maintaining the unshaped lens material at a reflow temperature for a reflow time to allow the lens material to reflow into a formed lens shape, and curing the lens material to form an integrated lens having the formed lens shape secured to the lens spacer portion and formed about the electro-optical component on the substrate.