A headset for augmented reality applications is provided. The headset includes at least one eyepiece configured to provide a see-through image to a user via a transparent optical component, and to provide an artificial image through a display, and a dimming shutter configured to adjust a transparency level of the transparent optical component. The dimming shutter further includes an active liquid crystal layer configured to adjust a transparency level according to an electrical power provided between two electrodes, and a photoactive layer configured to adjust the transparency level upon absorption of an ultraviolet radiation for a selected period of time. A default orientation of a host material in the active liquid crystal layer may be in a dark state or in a clear state, when no electrical power is provided. A method and a memory storing instructions to execute the method for use of the above device are also provided.

Active optical filter adapted for a spectacle lens, the active optical filter being configured so as to filter light radiations over at least one predetermined range of wavelengths, wherein the full width at half maximum of the filtering function of the optical filter is smaller than or equal to 100 nm.

A liquid crystal device comprising a first substrate, a second substrate and a liquid crystal layer sandwiched between said first and second substrate; wherein an electrode structure is deposited on at least one of said first and second substrates, said electrode structure comprising: a first electrode layer; an insulating layer; a second electrode layer; wherein said electrode structure comprises holes extending through said second electrode layer and said insulating layer, such that said insulating layer is discontinuous, and wherein each hole is adapted to generate local fringe fields with azimuthal degenerate direction.

A display module and a display device are provided in the embodiments of the present disclosure. The display module includes a display panel, the display panel includes a first surface and a second surface opposite to each other, at least one of the first surface and the second surface is a display surface, and the display module further includes an optical modulation structure arranged on at least one of the first surface and the second surface of the display panel. The optical modulation structure includes: a first transparent substrate and a second transparent substrate arranged opposite to each other, a charged particle arranged between the first transparent substrate and the second transparent substrate, and a first transparent electrode structure arranged between the first transparent substrate and the second transparent substrate and configured to form an electric field for driving the charged particle to move.

A method for producing a laminated pane with a functional element with electrically switchable optical properties, includes creating a first stack of layers including a first pane, a first thermoplastic laminating film, a separating film, a second thermoplastic laminating film, a second pane, laminating the first stack of layers while being heated, taking the first pane with the first thermoplastic laminating film off the second pane with the second thermoplastic laminating film, and the at least one separating film is removed from the stack of layers, providing a functional element having an active layer, placing the functional element into the stack of layers, whereby a second stack of layers is formed, laminating the second stack of layers to form a laminated pane, wherein the separating film is detachable residue-free from the first thermoplastic laminating film and the second thermoplastic laminating film.

An optical device is disclosed herein. In some embodiments, an optical device includes a first outer substrate, a second outer substrate, a liquid crystal element film positioned between the first and second outer substrates, intermediate layers positioned between the first outer substrate and the liquid crystal element film and between the liquid crystal element film and the second outer substrate, respectively, wherein a sum of the total thicknesses of the intermediate layers is 1,600 μm or more. The optical device can secure structural stability and good quality uniformity by maintaining the cell gap of the liquid crystal element film properly, having excellent attachment force between the upper substrate and the lower substrate, and minimizing defects such as pressing or crowding in the bonding process of the outer substrates.

An optical device capable of varying transmittance, such that can be used for various applications such as eyewear, for example, sunglasses or AR (augmented reality) or VR (virtual reality) eyewear, an outer wall of a building or a sunroof for a vehicle.

The present disclosure provides dimming glass, a dimming module and an operating method thereof. The dimming glass includes: a first glass substrate and a second glass substrate arranged opposite to each other; a first electrode and a second electrode arranged between the first glass substrate and the second glass substrate; a liquid crystal dimming layer arranged between the first glass substrate and the second glass substrate; and a heating layer arranged between the liquid crystal dimming layer and the first glass substrate, and configured to heat the liquid crystal dimming layer upon the receipt of an electric signal.

A transmittance-variable device is provided in the present application. The present application provides a transmittance-variable device, which can be applied to various applications without causing problems such as a crosstalk phenomenon, a rainbow phenomenon or a mirroring phenomenon, while having excellent transmittance-variable characteristics.

A display device for switching a viewing angle, can include a display panel, a polarizing plate disposed on the display panel, a light path control cell disposed on the polarizing plate and including a liquid crystal layer, and a light path conversion film disposed on the light path control cell and including a plurality of molecules including a polarization alignment dye. An absorption axis of the polarizing plate can be substantially perpendicular to an absorption axis of the light path conversion film. The display device can switch to a shared mode or a shielding mode depending on whether or not a voltage is applied to the light path control cell, thereby providing the display device that switches its viewing angle effectively.