Abstract: A system is provided that selectively blocks blue light in addition to having low overall transmittance values. The average value of the transmission spectrum of the system across the wavelength range 400 nm-470 nm is between 0% and 30% and the average value of the transmission spectrum across the wavelength range 470 nm-700 nm is between 0% and 70%. The transmission spectrum of the system has a first local minimum in transmission between 400 nm-470 nm.

Abstract: A system is provided comprising an optical filter. The optical filter comprises a Cu-porphyrin dye compound. The transmission spectrum of the system has an average transmission across the wavelength range of 460 nm-700 nm of at least 60%. The transmission spectrum of the system has an average transmission across the wavelength range 400 nm-460 nm that is less than 75%.

Abstract: Devices and methods related generally to electrochromic materials and their use. In some embodiments, the electrochromic materials are for use on an optical substrate, such as a lens, a semi-finished lens blank, and the like. Some embodiments include an electrochromic stack including nanostructured materials. Some embodiments include an electrochromic stack including nanostructured electrochromic materials. Some embodiments include one or more ion-conducting layers. Methods of making electrochromic stacks having nanostructured materials and/or ion-conducting layers are also discussed.

Abstract: A system is provided comprising an optical filter. The optical filter comprises a Cu-porphyrin dye compound. The transmission spectrum of the system has an average transmission across the wavelength range of 460 nm-700 nm of at least 80%. The transmission spectrum of the system has an average transmission across the wavelength range 400 nm-460 nm that is less than 75%.

Abstract: An eyewear system according to the present disclosure may include at least one temple, and a temple guide provided on the at least one temple, wherein the temple guide comprises a guide surface defined by a ferromagnetic material of the temple, and wherein the temple guide is configured to magnetically retain an electronic wearable device in slidable attachment therewith and to restrict lateral movement of the electronic wearable device relative to the temple when the electronic wearable device is engaged with the temple guide.

Abstract: An electro-active ophthalmic lens is presented in which the lens includes a progressive addition region having an add power and an electro-active element. The electro-active element is in optical communication with the progressive addition region and has an activated state and a deactivated state. The electro-active element also includes a liquid crystalline material disposed in a cavity having a diffractive surface relief structure. The liquid crystalline material has a low rotational viscosity.

Abstract: The present invention relates generally to flexible thin films for use in electro-active optical systems. Embodiments of the invention include thin films having diffractive structures on at least one surface of the film, and methods of making such films. Embodiments of the invention also include lens blanks that comprise such thin films. Embodiments of the invention also include methods of making lens blanks that comprise such thin films.

Abstract: A system is provided that selectively blocks blue light in addition to having low overall transmittance values. The average value of the transmission spectrum of the system across the wavelength range 400 nm-470 nm is between 0% and 30% and the average value of the transmission spectrum across the wavelength range 470 nm-700 nm is between 0% and 70%. The transmission spectrum of the system has a first local minimum in transmission between 400 nm-470 nm.

Abstract: A system is provided comprising an optical filter. The optical filter comprises a Cu-porphyrin dye compound. The transmission spectrum of the system has an average transmission across the wavelength range of 460 nm-700 nm of at least 80%. The transmission spectrum of the system has an average transmission across the wavelength range 400 nm-460 nm that is less than 75%.

Abstract: The present application relates generally to conductive compositions that are transparent to visible light and their use in various optical applications, such as ophthalmic products. Embodiments of the invention include transparent conductive ink compositions that comprise a conductive polymer and one or more of a lithium salt or a high boiling point solvent. Embodiments of the invention further include electro-active ophthalmic products, such as electro-active ophthalmic lenses, comprising one or more conductive structures (e.g., contacts, wires, and the like) that are at least partially composed of said transparent conductive ink compositions.

Abstract: An electro-chromic device including a solid or quasi-solid electrolyte layer is disclosed. The electrolyte layer may be a composite polymeric electrolyte layer. The polymeric electrolyte layer may be a conductive transparent adhesive or an optically transparent cured electrolyte. The electrolyte layer may also be a porous optically transparent membrane impregnated or embedded with an electrolytic material. Methods for forming solid or quasi-solid electrolyte layers in-situ in electro-chromic devices are also provided.

Abstract: Curable adhesive compositions comprising a urethane pre-polymer are provided that exhibit a high refractive index.

Abstract: EC film stacks and different layers within the EC film stacks are disclosed. Methods of manufacturing these layers are also disclosed. In one embodiment, an EC layer comprises nanostructured EC layer. These layers may be manufactured by various methods, including, including, but not limited to glancing, angle deposition, oblique angle deposition, electrophoresis, electrolyte deposition, and atomic layer deposition. The nanostructured EC layers have a high specific surface area, improved response times, and higher color efficiency.

Abstract: Devices and methods related generally to electrochromic materials and their use. In some embodiments, the electrochromic materials are for use on an optical substrate, such as a lens, a semi-finished lens blank, and the like. Some embodiments include an electrochromic stack including nanostructured materials. Some embodiments include an electrochromic stack including nanostructured electrochromic materials. Some embodiments include one or more ion-conducting layers. Methods of making electrochromic stacks having nanostructured materials and/or ion-conducting layers are also discussed.

Abstract: Methods are provided for making layers with nano-and micro-patterned topographies by laser action or inkjet printing on a first surface. These topographies have a periodicity of 5 nm to 500 ?m in a first direction in the plane of the first surface. These layers can be used as anisotropically patterned alignment layers in electro-optical devices and generate an orientational order of at least 0.30.

Abstract: A robust solid-state electro-chromic film stack including one or more electro-chromic layers composed of at least one bi-layer having a first and second layer. At least one of the first and second layer in each bi-layer includes electro-chromic nanoparticles formed of an electro-chromic material. A method of forming the robust solid-state electro-chromic film stack using a layer-by-layer deposition process is also provided.

Abstract: Disclosed herein is a method that comprises providing a solution containing a dye or a dye mixture, ultrasonicating the solution to reduce the average size of aggregates of the dye or dye mixture contained in the solution, and incorporating the dye or the dye mixture in the optical path of a device that transmits light.

Abstract: An electro-active ophthalmic lens is presented in which the lens includes a progressive addition region having an add power and an electro-active element. The electro-active element is in optical communication with the progressive addition region and has an activated state and a deactivated state. The electro-active element also includes a liquid crystalline material disposed in a cavity having a diffractive surface relief structure. The liquid crystalline material has a low rotational viscosity.

Abstract: The invention provides a malodor control composition including a porous material having (1) a porous structure having a surface area of from about 50 to about 1500 m2/g, (2) a pore diameter of from about 1 to about 200 nm, (3) a pore volume of from about 0.3 to about 1.5 cm3/g, and (4) a pronounced hydrophobicity with a surface contact angle greater than 100 degrees. The malodor control composition can be used as an animal litter or in conjunction with other animal litters to provide more effective control for removing odors resulting from animal waste.

Abstract: The present application relates generally to conductive compositions that are transparent to visible light and their use in various optical applications, such as ophthalmic products. Embodiments of the invention include transparent conductive ink compositions that comprise a conductive polymer and one or more of a lithium salt or a high boiling point solvent. Embodiments of the invention further include electro-active ophthalmic products, such as electro-active ophthalmic lenses, comprising one or more conductive structures (e.g., contacts, wires, and the like) that are at least partially composed of said transparent conductive ink compositions.