G02B3/0012

LENS AND OPTICAL COMPONENT

There are provided a lens having excellent mechanical strength, as well as an optical component employing the lens. The lens is a lens having a circular shape when viewed in a plan view, the lens having a thickness of not less than 1 mm and not more than 11 mm at a lens center, the lens having a lens diameter of not less than 2 mm and not more than 50 mm, the lens having a curvature of not less than −0.5 mm.sup.−1 and not more than 0.5 mm.sup.−1 at the lens center.

LENS PIGMENT, METHOD FOR PRODUCING THE SAME, VALUABLE DOCUMENT AND PRINTING INK

A lens pigment suitable for manufacturing value documents by printing technology, includes a carrier substrate which forms a lens base and which is supplied on its front side with a first plastic having at least one elevation that produces a microlens and with a second plastic leveling the first plastic.

THE MANUFACTURING METHOD OF HIGH-REFRACTIVE POLARIZED LENS
20220155494 · 2022-05-19 · ·

Disclosed herein is a method for manufacturing a high-refractive polarized lens, the method comprises; pretreating both surfaces of the TAC film; preparing a pretreated polarized film by attaching the pretreated TAC film to both sides of a PVA film; forming the prepared pretreated polarized film into a lens shape; placing the formed pretreated polarized film on a mold for manufacturing a lens; injecting a polythiourethane-based resin into a lens manufacturing mold on which the pretreated polarized film is placed; and cooling the polythiourethane-based resin while the mold is fixed.

OPHTHALMIC LENS COMPRISING AN OXAZOLONE
20220146712 · 2022-05-12 ·

The present invention relates to ophthalmic lenses comprising an oxazolone, a preparation method thereof and the use of an oxazolone in an ophthalmic lens to absorb blue light.

OPTICAL ELEMENT HAVING A RANDOMIZING DIGITAL LENS ARRAY AND/OR A DIFFUSER FUNCTION
20220137271 · 2022-05-05 ·

This application discloses an optical element having a refractive lens array and a diffuser, both positioned on the same side of the optical element. A method of manufacturing such an optical element is also described herein.

Optical glass, and optical element, cemented lens, optical system, interchangeable lens for camera and optical device using same
11724959 · 2023-08-15 · ·

An optical glass contains: a P.sub.2O.sub.5 component of 30 to 60 mass % (exclusive of 30); an Al.sub.2O.sub.3 component of 2 to 10 mass % (exclusive of 2); a TiO.sub.2 component of 10 to 36 mass % (exclusive of 36); an Nb.sub.2O.sub.5 component of 0 to 5 mass %; a Ta.sub.2O.sub.5 component of 0 to 15 mass %; a Bi.sub.2O.sub.3 component of 0 to 5 mass % (exclusive of 5); and an Sb.sub.2O.sub.3 component of 0 to 1 mass %; and a BaO component of 1 to 20 mass %.

Ophthalmic lens with graded microlenses

An ophthalmic lens incorporating an array of microlenses.

Ophthalmic Lens With Graded Microlenses

An ophthalmic lens incorporating an array of microlenses.

Method for producing an aperture array for a microlens array

A method for producing an aperture array for a microlens array, in particular for a microlens array of a vehicle headlamp, comprising at least the following steps: providing a wafer having a microlens array arranged on a first wafer surface, masking a second wafer surface of the wafer by means of a shadow mask, wherein the shadow mask includes a negative of the aperture array, coating the masked wafer surface with an opaque layer, removing the shadow mask and obtaining the aperture array on the second wafer surface.

Multi-layered microlens systems and related methods
11760046 · 2023-09-19 · ·

Implementations of a microlens system may include a first layer including a first refractive index, the first layer including one or more substantially hemispherical elements formed therein; a second layer including a second refractive index coupled over the substantially hemispherical elements of the first layer; and a third layer including a third refractive index coupled over the second layer. A value of the first refractive index may be larger than a value of the third refractive index and a value of the second refractive index and the value of the second refractive index may be less than a value of the third refractive index.