Abstract: Described are eyewear with one or more dimmable vision correction lens stacks. The eyewear can have various form factors, including eyeglasses with a separate lens stack for each eye. The vision correction lens stack may have a first lens and a second lens, with a dimmable liquid crystal layer arranged between the first lens and the second lens. The first lens and second lens may have the same refractive index, the refractive index may be configured according to a prescription of the user. The dimmable liquid crystal layer may be electrically coupled to a control module which may be used to change the light transmittance of the liquid crystal layer.

Abstract: A delay dimming device includes: a first power supply system, an automatic delay driving circuit, a controller, and a dimming device. The first power supply system is a solar power system equipped with a photoreceptor. The first power supply system is connected to the automatic delay driving circuit. The controller receives electrical signals transmitted by the automatic delay driving circuit and controls the dimming device. The first power supply system powers the dimming device and senses the intensity of the ambient light. It transmits the sensed light intensity signals to the automatic delay driving circuit, which then converts these light intensity signals into electrical signals and transmits them to the controller. The controller determines whether delay dimming is necessary based on the transmitted electrical signals.

Abstract: A rainbow dimmable film includes a first substrate layer, a first conductive layer, a liquid crystal layer, a second conductive layer, and a second substrate layer laminated in sequence. The rainbow dimmable film has a transparent state, a rainbow state, and a dark state, and a level of an operational voltage of the rainbow dimmable film is in a range of 0 V-100V. When an applied voltage of the rainbow dimmable film is 0V or 100V, the rainbow dimmable film is in the transparent state or the dark state; or when the applied voltage of the rainbow dimmable film has a voltage value in a range of 0V to 100V, the rainbow dimmable film is in the rainbow state. When the rainbow dimmable film in the rainbow state is viewed in a direction towards the light source, a rainbow phenomenon occurs.

Abstract: Described herein are liquid crystal (LC) assemblies that are dimmable and techniques for manufacturing LC assemblies. Example LC assemblies are described that include a flexible substrate, a twisted nematic liquid crystal, a polarizer with cellulose triacetate and an ultraviolet blocker, a polycarbonate layer, polyvinyl butyral as a connecting layer, or any combination of these features. A flexible substrate can permit an LC assembly to be applied to a window or other rigid surface, even if the surface has a three-dimensional curvature. LC assemblies featuring Guest-Host or vertical alignment configurations are also described. In some embodiments, a dimmable LC assembly is provided as part of a kit including a control unit adapted to electrically connect to the LC assembly via a cable. Both the LC assembly and the control unit can be mounted to a window or other rigid surface. The control unit can be powered using a photovoltaic cell.

Abstract: The invention discloses a variable tint lens and glasses. The variable tint lens includes a first polarizer, a second polarizer, and a liquid crystal layer arranged between the first polarizer and the second polarizer, a first conductive film arranged between the first polarizer and the liquid crystal layer, and a second conductive film arranged between the second polarizer and the liquid crystal layer, the first conductive film and the second conductive film are also connected to a power supply device. The arrangement direction of the liquid crystal molecules in the liquid crystal layer changes according to the voltage provided by the power supply device, so that the refractive index of the liquid crystal molecules to the light is changed, and the color of the light passing through the liquid crystal layer is changed. Compared with the prior art, the present invention can continuously change the color of light passing through the variable tint lens and adjust the brightness of the light.

Abstract: The present invention discloses an aftermarket dimmable sunroof for mounting to an automobile sunroof, characterized in that it includes a heat-insulating solar film, a first adhesive layer, a liquid crystal dimming layer, a second adhesive layer, and a substrate that are laminated in a sandwich type arrangement. The liquid crystal dimming layer contains at least one layer of liquid crystal dimming film, and the liquid crystal dimming film is used to adjust the transmittance of the aftermarket dimmable sunroof.

Abstract: The present application discloses a color-changing eyeglass. The color-changing eyeglass includes a first lens with one or more of color-changing films, a second lens with one or more of color-changing films, a first control element, and a second control element. The first control element is communicated with the second control element, a color of the color-changing film in the first lens is changeable based on a voltage provided by the first control element, and a color of the color-changing film in the second lens is changeable based on a voltage provided by the second control element in response to a signal from the first control element.

Abstract: An apparatus having a multi-layer structure for providing a dimmable window operation is provided. The apparatus includes a first rigid substrate; a second rigid substrate coupled to the first rigid substrate at a perimeter region of the multi-layer structure, to maintain a separation between the first rigid substrate and the second rigid substrate; and a liquid crystal (LC) film positioned within the separation between the first rigid substrate and the second rigid substrate. The LC film is coupled to either the first rigid substrate or the second rigid substrate at an inner region of the multi-layer structure to define a gap between the LC film and another one of the first rigid substrate and the second rigid substrate. The gap is not occupied by a solid material or a liquid material.

Abstract: A high-brightness handwriting liquid crystal device is provided. The device includes a substrate, a first base layer disposed on the substrate, a first conductive layer disposed on a side of the first base layer away from the substrate, a second conductive layer opposite to the first conductive layer, a liquid crystal layer disposed between the first conductive layer and the second conductive layer, and a second base layer disposed on a side of the second conductive layer away from the liquid crystal layer. The liquid crystal layer includes a cholesteric liquid crystal mixture and a plurality of spacers, wherein a plurality of lattices is defined by the plurality of spacers, and the cholesteric liquid crystal mixture is filled in the plurality of lattices.

Abstract: A high-brightness handwriting liquid crystal device is provided. The device includes a substrate, a first base layer disposed on the substrate, a first conductive layer disposed on a side of the first base layer away from the substrate, a second conductive layer opposite to the first conductive layer, a liquid crystal layer disposed between the first conductive layer and the second conductive layer, and a second base layer disposed on a side of the second conductive layer away from the liquid crystal layer. The liquid crystal layer includes a cholesteric liquid crystal mixture and a plurality of spacers, wherein a plurality of lattices is defined by the plurality of spacers, and the cholesteric liquid crystal mixture is filled in the plurality of lattices.

Abstract: A liquid crystal film for automotive glass is provided. The liquid crystal film includes a first base layer, a first conductive layer disposed on the first base layer, a second base layer opposite to the first base layer, a second conductive layer disposed on a side of the second base layer close to the first conductive layer, and a liquid crystal layer disposed between the first conductive layer and the second conductive layer. The liquid crystal layer includes a plurality of spacers, and a liquid crystal mixture; the plurality of spacers is perpendicularly disposed between the first conductive layer and the second conductive layer, and divides a space between the first conductive layer and the second conductive layer into a plurality of lattices; and the liquid crystal mixture is filled in the plurality of lattice. A shape of each of the plurality of lattices is polygonal.

Abstract: A seafloor observation network-based subsurface buoy device with real-time power supplying and high-speed data transmitting is provided. The subsurface buoy device includes a seabed base deployed on the seafloor and a vertical mooring system connected to a bottom surface of the seabed base to extend to the sea surface. The seabed base serves as a gravity anchor to enable the subsurface buoy device to be positioned stably at a layout site, and is further used for obtaining power supply of the subsurface buoy device from a junction box of a seafloor observation network. The seabed base also sends the management and control commands from the junction box to the vertical mooring system, and transmits the data collected by the vertical mooring system back to the junction box in real time.

Abstract: The present disclosure discloses AR glasses including an image projection device, an optical lens, a beam splitter, a first ¼? wave plate, a curved half-mirror, and a liquid crystal dimming film. The liquid crystal dimming film includes a polarizer and a dye-doped liquid crystal layer. The light transmittance of the dye-doped liquid crystal layer is adjusted by an applied voltage. When the liquid crystal layer absorbs light, it can effectively block external stray light, and also prevent viewing displayed image from being viewed from an outside world to achieve privacy protection. This greatly improves the contrast of the virtual image and enhance the immersion.

Abstract: Described herein are liquid crystal (LC) assemblies that are dimmable and techniques for manufacturing LC assemblies. In one example, an LC assembly comprises: a first curved glass panel, a second curved glass panel, and a liquid crystal panel having a first outer surface and a second outer surface, a layer of a liquid adhesive attaching the first curved glass panel and the first outer surface of the liquid crystal panel, and a film adhesive attaching the second curved glass panel and the second outer surface of the liquid crystal panel.

Abstract: Described are examples of adjustable focus glasses formed using liquid crystal. A pair of adjustable focus glasses can include a frame and two lenses arranged on the frame. In some examples, at least one of the two lenses is a lens assembly that includes a plano-concave lens, a Fresnel lens, and a liquid crystal layer between the plano-concave lens and the Fresnel lens. The plano-concave lens includes a planar surface and an opposing concave surface. The Fresnel lens includes a Fresnel surface and an opposing convex surface. The planar surface and the Fresnel surface face the liquid crystal layer. The focus position of the lens assembly can be adjusted through changing the refractive index of the liquid crystal layer, using appropriate control signals from an electronic controller. This conveniently allows the adjustable focus glasses to be multi-purpose and suitable for correcting both myopia and hyperopia.

Abstract: An example liquid crystal film for automotive glass comprises a first base layer, a first conductive layer, a microstructured liquid crystal layer, a second conductive layer, a second base layer, wherein the microstructured liquid crystal layer is disposed between the first conductive layer and the second conductive layer. In one embodiment, the microstructured liquid crystal layer comprises a bottom plate, a partition plate, and a liquid crystal mixture. The partition plate comprises sidewalls vertically arranged on the bottom plate, and the bottom plate is attached to the second conductive layer. The partition plate divides a space between the bottom plate and the first conductive layer into a plurality of polygonal receiving spaces. The liquid crystal mixture is positioned in the plurality of polygonal receiving spaces.

Abstract: The present invention discloses a variable tint lens and eyeglasses using the lens, wherein the variable tint lens includes a tint varying film including transparent first and second substrate layers, a liquid crystal layer, and a power supply device for supplying power to each layer of the tint varying film; a dichroic dye molecule layer is provided on a surface of liquid crystal molecules of the liquid crystal layer, and a direction in which the liquid crystal molecules are aligned in each layer of the tint varying film is adjustable with a voltage provided by the power supply device. The whole lens can adjust swiftly and features a fast response; the adjustable range is large because of the simple structure and high transmittance. Moreover, it can also enable multi-tint adjustment when a multi-layer tint varying film is used for the lens; it can also adapt to various environments.

Abstract: An example liquid crystal film for automotive glass comprises a first base layer, a first conductive layer, a microstructured liquid crystal layer, a second conductive layer, a second base layer, wherein the microstructured liquid crystal layer is disposed between the first conductive layer and the second conductive layer. In one embodiment, the microstructured liquid crystal layer comprises a bottom plate, a partition plate, and a liquid crystal mixture. The partition plate comprises sidewalls vertically arranged on the bottom plate, and the bottom plate is attached to the second conductive layer. The partition plate divides a space between the bottom plate and the first conductive layer into a plurality of polygonal receiving spaces. The liquid crystal mixture is positioned in the plurality of polygonal receiving spaces.

Abstract: In one example, a crystal cell comprises: a first substrate, a second substrate, first spacers and second spacers sandwiched between the first substrate and the second substrate to define a gap between the first substrate and the second substrate, the first spacers being fixedly bonded to each of the first substrate and the second substrate, the second spacers being movable between the first and second substrates, a sealant sandwiched between the first substrate and the second substrate and enclosing the first spacers and the second spacers, and a liquid crystal enclosed by the sealant, the first substrate, and the second substrate. Examples of a dimmable glass incorporating liquid crystal cells and methods of manufacturing the liquid crystal cells are also provided.

Abstract: Described herein are liquid crystal (LC) assemblies that are dimmable and techniques for manufacturing LC assemblies. In some embodiments, an LC assembly includes a Guest-Host (GH) liquid crystal layer containing nematic liquid crystals, dye molecules, and a chiral dopant. The GH liquid crystal layer is located between a pair of substrates. The LC assembly is a film assembly, with each of the substrates including a flexible film and a conductive layer formed on the flexible film. The substrates are separated by spacers that define a cell gap. The GH liquid crystal layer is configured to transition the LC assembly between darkened and lightened states depending on the voltage across the conductive layers. The flexible films allow the LC assembly to conform to the surface of a window or other rigid surface to which the LC assembly is attached. The LC assembly can be attached via a liquid or film-based adhesive.