Abstract: Method, product and blocking element of short wavelengths in LED-type light sources consisting of a substrate with a pigment distributed on its surface and, in that said pigment has an optical density such that it allows the selective absorption of short wavelengths between 380 nm and 500 nm in a range between 1 and 99%.

Abstract: A light-absorbing, neutral density filter for an electronic device display. More specifically, a light-absorbing, neutral density filter applied as a shield, protective film, or protective coating layer for an electronic device display that blocks ultraviolet light, high energy visible light, and at least a portion of blue light. The neutral density filter comprises a polymer substrate and an absorbing agent.

Abstract: A case for an eyewear device includes a body defining an opening leading to a storage chamber that is sized for retaining the eyewear device. A cover depends from the body and is movable between an open position, in which the opening is exposed, and a closed position, in which the opening is covered by the cover. A battery is mounted to the body for charging the eyewear device. A detector is positioned on either the body or the cover for detecting when the cover is in the open position or the closed position. A display displays a charge state of the battery when the cover is in the open position.

Abstract: A vehicle window opacity system that includes a vehicle window system comprising a front windshield, side windows, and a rear window, a liquid crystal display system coupled to the vehicle window system, and a controller coupled to the liquid crystal display system. The controller is operable to control an opacity of a portion of the liquid crystal display system coupled to at least one side window relative to the front windshield to reduce and/or block light from passing through the at least one side window based on information regarding a light source.

Abstract: Methods and devices for wired charging and communication with a wearable device are described. In one embodiment, a symmetrical contact interface comprises a first contact pad and a second contact pad, and particular wired circuitry is coupled to the first and second contact pads to enable charging as well as receive and transmit communications via the contact pads as part of various device states.

Abstract: An eye glass shield includes a goggle frame having a center. A lens is positioned in the center of the goggle frame and is constructed of a transparent material. A pair of temples comprising of a left temple and a right temple is coupled to the goggle frame. The left temple is coupled to a left edge of the goggle frame, and the right temple is coupled to a right edge of the goggle frame. A pair of temple clips is coupled to a respective one of the pair of temples. A top base is coupled to a top edge of the goggle frame and protruding there from. A bottom base is coupled to a bottom edge of the goggle frame and extending there from. A cut-out in the goggle frame creates a bridge in the top center of the goggle frame.

Abstract: Eyewear, such as a goggle, includes a movable unitary lens and a chassis. The movable unitary lens includes an interior surface. The chassis includes a body that defines a central opening, and the body is configured to be worn on the face of a wearer. The chassis further includes a barrier that is integrally formed with the body, and the barrier includes an exterior surface that contacts the interior surface of the lens along a perimeter of the lens so as to form a seal with the lens.

Abstract: This disclosure provides a window controller that includes a command-voltage generator that generates a command voltage signal, and a pulse-width-modulated-signal generator that generates a pulse-width-modulated signal based on the command voltage signal. The pulse-width-modulated signal drives an optically-switchable device. The pulse-width-modulated signal comprises a first power component having a first duty cycle and a second power component having a second duty cycle. The first component delivers a first pulse during each active portion of the first duty cycle, and the second component delivers a second pulse during each active portion of the second duty cycle. The first pulses are applied to a first conductive layer and the second pulses are applied to a second conductive layer. The relative durations of the active portions and the relative durations of the first and second pulses are adjusted to result in a change in an effective DC voltage applied across the optically-switchable device.

Abstract: 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.

Abstract: 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.

Abstract: An eyeglass lens replacement assembly is revealed. A frame includes a lens insertion slot disposed on a lower edge and a mounting indentation communicating with the lens insertion slot. A bevel is formed on each of two sides of the front end of the mounting indentation. A movable mounting member is mounted in the mounting indentation and has two mounting pins and a concave part formed on a middle part of the mounting pin. The upper edge of a lens is inserted into the lens insertion slot while the lens includes a mounting slot corresponding to the mounting pins and two protruding portions corresponding to the concave parts of the mounting pins. The movable mounting member can turn back and remain positioned by the bevels of the mounting indentation combined with recovery elasticity of the two mounting pins of the movable mounting member. No additional elastic members are required.

Abstract: An ophthalmic tinted lens has a visual transmission value TV for quantifying a first light intensity ratio which relates to light effective for human vision and transmitted through the lens in daylight condition, and also has a value of a chronobiological factor FC for quantifying a second light amount ratio which relates to light effective for a non-visual physiological effect and also transmitted through the lens in daylight condition. The TV-value and the FC-value expressed as percentage values meet the following condition: FC>1.1×TV+13.0 with 3%?TV?43%, or FC>0.7×TV+32 with 43%<TV?92%, for the ophthalmic tinted lens to combine solar protection and maintenance of circadian rhythms and better pupil constriction which are based on the non-visual physiological effect.

Abstract: A device and method of making the device is described. In some implementations, an eyeglass lens is colored so that it is semi-opaque or opaque and approximates the color of a particular user's skin. In an example, the lens can be colored by placing an adhesive material on the front or rear surface of the lens. In an additional or alternative example, the lens can be colored by dyeing the lens material. In an additional or alternative example, the lens can be colored by painting the lens material. The colored lens blocks the view of passersby of the ocular region of the wearer and is itself inconspicuous because the approximate skin color camouflages its presence.

Abstract: Method, product and blocking element of short wavelengths in LED-type light sources consisting of a substrate with a pigment distributed on its surface and, in that said pigment has an optical density such that it allows the selective absorption of short wavelengths between 380 nm and 500 nm in a range between 1 and 99%.

Abstract: In one embodiment, an eyewear for a user includes an eyewear frame, electrical circuitry at least partially in the eyewear frame, and a touch sensitive input surface on the eyewear frame configured to provide an input to the electrical circuitry to perform a function via touching the touch sensitive input surface. In another embodiment, the eyewear includes a switch with at least two operational states. The operational states of the switch can be configured to be changed by sliding a finger across the touch sensitive input surface of the frame.

Abstract: Devices and systems for treating based on light therapy are disclosed. One example device includes an eyewear configured for placement in front of an eye to allow light to reach the eye, and one or more filters having transmission spectra within a range that approximately spans 450 to 570 nm associated with blue or green light. The one or more filters is configured to block light spectra outside of said range and to allow the blue or green light to reach the eye for administering light therapy to a subject exhibiting pain.

Abstract: A power voltage generator includes a first sensor, a second sensor, a comparator and a shutdown controller. The first sensor is configured to sense a first power voltage output node that outputs a first power voltage. The second sensor is configured to sense a second power voltage output node that outputs a second power voltage. The comparator is configured to compare a first sensing signal of the first sensor with a second sensing signal of the second sensor. The shutdown controller is configured to shut down the power voltage generator based on a comparison signal from the comparator.

Abstract: An ophthalmic tinted glass (10) comprises a substrate-forming base eyeglass (1), a first layered structure (2) which covers a convex face (Cx) of the base eyeglass, and optionally a second layered structure (3) which covers a concave face (Cc) of the base eyeglass. The first layered structure has a function of selective reflection increase, and the second layered structure is antireflective. Such ophthalmic tinted glass produces solar protection while having a mean transmittance value in a wavelength range from 460 nm to 10 nm, or 465 nm to 495 nm, which is high enough for avoiding biological, hormonal and behavioural disorders for a wearer of the tinted glass.

Abstract: A photonic crystal, a light conversion device, a display panel, and a pair of glasses are provided. The photonic crystal of the embodiment of the present disclosure includes first dielectric layers and second dielectric layers having different refractive indexes, and the first dielectric layers and the second dielectric layers are alternately stacked. A thickness and a refractive index of each of the first dielectric layers and a thickness and a refractive index of each of the second dielectric layers are configured such that the photonic crystal blocks blue light with a wavelength of 420 nm to 470 nm incident into the photonic crystal from passing through the photonic crystal.

Abstract: Vapor deposition processes for forming thin films comprising gold on a substrate in a reaction space are provided. The processes can be cyclical vapor deposition processes, such as atomic layer deposition (ALD) processes. The processes can include contacting the substrate with a gold precursor comprising at least one sulfur donor ligand and at least one alkyl ligand, and contacting the substrate with a second reactant comprising ozone. The deposited thin films comprising gold can be uniform, continuous, and conductive at very low thicknesses.

Abstract: A system and method for detecting a condition of an augmented reality system and/or controlling an aspect of the augmented reality system.

Abstract: A spectacle lens including a lens base material and a multilayer film provided on each surface of an eyeball-side surface and an object-side surface of the lens base material, in which a normal incidence mean reflectance Reye in a wavelength range of 430 to 450 nm measured on the eyeball-side surface of the spectacle lens and a normal incidence mean reflectance Robject in a wavelength range of 430 to 450 nm measured on the object-side surface of the spectacle lens each are more than 0%, and Reye is greater than Robject.

Abstract: A welder protector for protecting a worker includes a face shield including a first opening and a shield surface part surrounding the first opening, goggles detachably coupled to the face shield and including a window portion and a wearing portion, the window portion corresponding to the eyes of the worker, the wearing portion extending around a head of the worker, and a helmet detachably coupled to the face shield and including a second opening corresponding to the face shield.

Abstract: The present invention relates to eyeglasses having a selectively detachable pattern layer, and relates to a technology wherein one or more pattern layers having variously shaped images are attached on a surface of a main lens or an auxiliary lens to satisfy wearers' needs and provide convenience for wearers, allow wearer to show off his or her own individuality or expression, and induce curiosity and interest of a viewer, and a support is provided to reduce friction between the main lens or the auxiliary lens and the pattern layer.

Abstract: Provided is an electrochromic device including an electrochromic element including a protrusion on a periphery of the electrochromic element, and a frame holding the electrochromic element, wherein the protrusion includes an electrode pad, and the frame includes a connecting member configured to electrically connect to the electrode pad.

Abstract: A head-mounted display device includes a display portion, a main frame, two arms, and two adjusting pieces. The main frame carries the display portion. The arms are disposed on opposite sides of the main frame, and the end portions of the arms are pivotally connected to the main frame such that the arms are adapted to rotate away from the main frame during an unfolding process and adapted to rotate toward the main frame during a folding process. The adjusting pieces are respectively disposed on pivot paths of the arms, and the adjusting piece is adapted to from a structural interference with the corresponding arm and the main frame during the unfolding process to limit a degree of rotation of the arm.

Abstract: A liquid photochromic filter for attenuating an image is disclosed. The liquid photochromic filter includes a photochromic dye in a liquid solution that is contained in a cavity defined by a housing with two optical windows. The liquid photochromic filter may be used in imaging system for sensing light in an area of high optical contrast. In some implementations, the imaging system is for monitoring a welding operation, whereby the liquid photochromic filter is used to reduce the intensity of the light observed from the welding arc.

Abstract: Optical polymeric sheets with specific ranges of optical retardation, elastic modulus, and Shore A hardness were used to construct flexible polar patches. The polar patches conform to non-polarizing lenses of various diopter bases and provide polarizing efficiency that is comparable to regular polarizing lenses.

Abstract: The invention relates to a method for determining a value quantifying the effect of an optical filter on a parameter linked to an eye, this optical filter blocking at least partially the transmission of light over a predetermined wavelength range, comprising the following steps: a) at least one spectral feature of the optical filter related to the transmittance of this optical filter at at least one wavelength in said predetermined wavelength range is provided, b) the value quantifying the effect of the optical filter on said parameter is calculated as a function of said at least one spectral feature of the optical filter provided in step a).

Abstract: Provided is a pair of glasses having protective covers, including a frame, two temples, two protective covers and two guiding members. Each side of the frame has a pivot part and at least one socket, and the at least one socket includes a fastening hole. Each of the two temples is provided with a track along its length, and each track has a first end and a second end separated from the first end. Each protective cover includes an upper shield portion. Each guiding member is provided on an outer side of each track, and includes a fastening slot. The fastening slot is pivotally connected to the second pivot shaft. When each of the two temples is in a deployed position, the upper shield portion and the side shield portion are adjacent to the inner side of the frame and the inner side of the temple.

Abstract: One embodiment of an aspect of the present invention is a pair of eyeglasses having at least one lens with a plurality of holes for natural improvement of eyesight or vision. The holes may be of different sizes and shapes and may be randomly positioned throughout the lens, and the lens may be painted upon. Another embodiment of this aspect is a pair of eyeglasses that has at least one lens with a plurality of holes and that also has a patch. Another aspect of the present invention is a method for natural improvement of eyesight or vision through the use of the eyeglasses of the present invention.

Abstract: The embodiments disclosed herein relate to a transparent material to provide protection to a person's eyes from harmful wavelengths of the light spectrum, overall visual comfort, or improved vision such as color enhancement, target recognition and other functions, while selectively transmitting more of certain wavelengths of the light spectrum that have a therapeutic benefit such as healing or general mood modifier. The transparent material may be a lens or a shield which is disposed in front of the wearer's eyes.

Abstract: The present invention relates to an optical article comprising a substrate with a front main face and a rear main face, having a colorimetric coefficient b* as defined in the CIE (1976) L*a*b* international colorimetric system that is lower than or equal to 4, a relative light transmission factor in the visible spectrum Tv higher than or equal to 87%, and blocking at least 8% of light having a wavelength ranging from 420 to 450 nm arriving on said front main face. This optical article can be used to protect the eyes of a user from phototoxic blue light.

Abstract: A method of forming a filter, comprising the steps of: —selecting at least a first wavelength corresponding to a predetermined laser threat and having a first colour in the visible spectrum; —providing a generally transparent substrate and forming a first notch filter region therein configured to substantially block incident radiation thereon of wavelengths within a first predetermined wavelength band including said first wavelength; —selecting a second wavelength having a second colour in the visible spectrum and forming a colour balancing notch filter region in said substrate configured to block incident radiation thereon of wavelengths within a wavelength band including said second wavelength, thereby to balance or neutralise any colour distortion of said substrate caused by said first notch filter region.

Abstract: Automatic shading goggles that can be combined with fixing members, which can fix the goggles to the face of a wearer by separating end parts of foldable temples having a control module, includes: a goggle frame having front light-shield lenses and side light-shielding lenses; a skirt member detachably coupled inside the goggle frame to be brought in contact with the face of a wearer; and temples rotatably connected to the left and right of the goggle frame, respectively, and having a control module for controlling operation of the front light-shielding lenses, wherein the temples includes hinge parts having the control module and rotatably coupled to the left and right of the skirt member and earpieces separably coupled to ends of the hinge parts to be held on ears.

Abstract: Methods for adapting the optical function of an adaptive ophthalmic lenses system are provided. Said methods comprise an adaptive ophthalmic lenses system providing step during which an adaptive ophthalmic lenses system is provided. An acquisition step during which the scene in front of the wearer is acquired may be provided. A gazing zone determining step during which a gazing zone is determined may be included, the gazing zone being a zone of images of the scene acquired comprising the gazing direction of the wearer. A parameter determining step during which the value of at least one parameter of the images of the scene is determined may be provided. An adaptation step may be included during which the optical function of active ophthalmic lenses are adapted according to the value of the at least one parameter determined during the parameter determining step.

Abstract: A dielectric mirror includes a coating having alternating high and low index layers. The mirror coating has no metallic reflective layer of Al or Ag in certain example embodiments, and may have film side and/or glass side visible reflection of from about 50-90% (more preferably from about 60-80% and most preferably from about 65-75%) and visible transmission of from about 10-50% (more preferably from about 10-40% or 20-40%) in certain example embodiments.

Abstract: The invention generally relates to optical filters that provide regulation and/or enhancement of chromatic and luminous aspects of the color appearance of light to human vision, generally to applications of such optical filters, to therapeutic applications of such optical filters, to industrial and safety applications of such optical filters when incorporated, for example, in radiation-protective eyewear, to methods of designing such optical filters, to methods of manufacturing such optical filters, and to designs and methods of incorporating such optical filters into apparatus including, for example, eyewear and illuminants.

Abstract: There is set forth herein an optomechanical device which can comprise a first mirror and a second mirror forming with the first mirror a cavity. In one aspect the first mirror can be a movable mirror. The optomechanical device can be adapted so that the first mirror is moveable responsively to radiation force.

Abstract: An eyewear system for automatically detecting and blocking a source of glare from at least one eye of a user. The eyewear system having a first transparent LCD lens; a second transparent LCD lens having a plurality of pixel positions, each of the plurality of pixel positions configured to activate to block the source of glare from the eye of the user; a transparent material with a view of the source of glare; and a control system for detecting the source of the glare and activating at least one of the plurality of pixel positions.

Abstract: Several embodiments of a personal display systems that comprises modular and extensible features to affect a range of user/wearer/viewer experiences. In one embodiment, the personal display system comprises a frame, said frame formed to fit and mount the head of a viewer; at least one optical piece, said at least one optical piece comprising at least a portion of a plurality of active emissive elements; at least one side piece, said side piece capable of being mated to said frame; and further wherein at least one said side piece comprising components sufficient to interact with images intended to comprise a view of said viewer. In another embodiment, a front piece may be mated to the frame of the personal display system wherein such front piece may comprise a transmissive portion affecting some form of modulation of the light being transmitted there through.

Abstract: A cloud learning system for smart windows is provided. The system includes at least one server configured to couple via a network to a plurality of window systems, each of the plurality of window systems having at least one control system and a plurality of windows with electrochromic windows and sensors, wherein the at least one server includes at least one physical server or at least one virtual server implemented using physical computing resources. The at least one server is configured to gather first information from the plurality of window systems, and configured to gather second information from sources on the network and external to the plurality of window systems. The at least one server is configured to form at least one rule or control algorithm usable by a window system, based on the first information and the second information, and configured to download the at least one rule or control algorithm to at least one of the plurality of window systems.

Abstract: A method and system is provided for controlling the intensity and wavelength of light that is perceived by a user to achieve optimal contrasts when viewing medical images. A medical image reviewing system may include at least one medical image displaying monitor and a light-filtering optical eyewear. The light-filtering optical eyewear may include an eyewear frame, the eyewear frame including a first temple, a second temple, and a lens frame, the lens frame being centrally connected between the first temple and the second temple. The light-filtering optical eyewear may further include a first ambient light shield, the first ambient light shield being connected along the first temple. The light-filtering optical eyewear may further include a second ambient light shield, the second ambient light shield being connected along the second temple.

Abstract: The invention generally relates to optical filters that provide regulation and/or enhancement of chromatic and luminous aspects of the color appearance of light to human vision, generally to applications of such optical filters, to therapeutic applications of such optical filters, to industrial and safety applications of such optical filters when incorporated, for example, in radiation-protective eyewear, to methods of designing such optical filters, to methods of manufacturing such optical filters, and to designs and methods of incorporating such optical filters into apparatus including, for example, eyewear and illuminants.

Abstract: An ophthalmic lens with a low reflection in both the ultraviolet region and the visible region is disclosed. The ophthalmic lens comprises a substrate with a front main face and a rear main face. The rear main face is coated with a multilayered antireflective coating. The antireflective coating comprises a stack of at least one layer having a refractive index higher than 1.6 and of at least one layer having a refractive index lower than 1.55. The mean reflection factor Ruv on the rear face between 280 nm and 380 nm, weighted by the function W(?), is lower than or equal to 5%, preferably is lower than or equal to 4%, for an angle of incidence of 35°. The Chroma C* of reflected light is equal to or lower than 4, preferably lower or equal to 3, for an angle of incidence (?) of 15°.

Abstract: Yellow electrochromic polymers (ECPs) are prepared that display a yellow neutral state and a highly transmissive oxidized state. The ECPs are copolymers where a dyad of dioxyhetereocyclic repeating unis alternate with a monad of an aromatic repeating unit. An alternate yellow ECP has an oxidation potential of 450 mV or less and is an alternating copolymer of an acyclic dioxythiophene (AcDOT) or a propylene dioxythiophene (ProDOT) with an aromatic repeating unit that has an electron donating substituent. The yellow ECPs can be processed from solution for electrochromic devices.

Abstract: Device (1) for protecting eyes from radiation, preferably from 100 nm to 1 mm and in particular from UV light or infrared, comprising at least two sensor arrangements (2/3), external (2) and internal sensor arrangement (3), wherein each sensor arrangement (2/3) comprises plurality of radiation sensors (2a/3a) arranged one after the other, which are each arranged along closed curve (2b/3b), and wherein the internal sensor arrangement (3) is surrounded by the external (2), and wherein the external and internal sensor arrangement (2/3) are arranged adjacently to each other, and wherein the internal sensor arrangement (3) encloses radiation passage region (4), and wherein the radiation passage region (4) comprises radiation passage opening (5), and wherein a closing device (6) is arranged in such a way with respect to the radiation passage region (4) that an incident radiation (S) passing through the radiation passage opening (5) is either let pass through or at least partially attenuated, and comprising control

Abstract: A light reflecting lens includes a lens body, a light diffusion layer, and a light-transmitting cover layer. The lens body has a front surface and a back surface opposite to each other. The light diffusion layer includes spread aggregates formed by spraying a dispersion of light-transmitting resinous micro-beads and is formed on one of the front and back surfaces of the lens body. The light-transmitting cover layer is formed on the light diffusion layer. The spread aggregates have a mean aggregate size such that the light reflecting lens has a haze not larger than 3% and a transmittance not less than 3%.

Abstract: In one aspect, glasses include a frame, a processor coupled to the frame, and a lens accessible to the processor and coupled to the frame. The lens includes first and second polarizers and a first liquid crystal unit juxtaposed between the first and second polarizers, with the lens including plural liquid crystal units controllable by the processor. The glasses also include a camera accessible to the processor and coupled to the frame, as well as storage accessible to the processor and bearing instructions executable to receive input from the camera and identify, based on input from the camera, the first liquid crystal unit to control for permitting light to pass through the at least one lens. The instructions are also executable to control the first liquid crystal unit to permit a first amount of light to pass through the lens.

Abstract: Apparatus and methods are described, including a corrective optical film for converting a corrective single-focal lens to a multi-focal lens and/or a progressive lens. A thickness and/or a curvature of the corrective optical film is different in different regions of the corrective optical film, such that the corrective optical film is configured, upon being adhered to the single-focal lens, to change a focal length of the single-focal lens differently in different regions of the single-focal lens. Other applications are also described.