A device for modulation of light (16) having a wavelength, comprising: a first substrate (10) with a first face (81) and a second opposite face (82), and comprising a first electrode (11); a second substrate (20) adjacent to the second face (82) and defining a gap between the first and second substrate (10, 20), the second substrate (20) comprising a second electrode (21); a responsive liquid crystal layer (15) disposed in the gap, wherein the responsive liquid crystal layer (15) has a flexoelectro-optic chiral nematic phase, and is birefringent with an optic axis that tilts in response to an applied electric field between the first and second electrode (11, 21); and a mirror adjacent to the second substrate (20), the mirror configured to reflect incident circular polarised light while preserving its handedness.

An optical composite film includes a reflection grating film layer, an optically-uniaxial optical film layer, and a substrate layer. The optically-uniaxial optical film layer includes a plate-shaped portion and a plurality of refraction portions, where the plate-shaped portion is stacked on the reflection grating film layer, the plurality of refraction portions is disposed on a side of the plate-shaped portion away from the reflection grating film layer, and the plurality of refraction portions is selected from one type of camber columns and quadrangular prisms; and the substrate layer is stacked on a side of the plate-shaped portion close to the refraction portion, where the plurality of refraction portions is accommodated in the substrate layer, and a refractive index of the substrate layer is less than an extraordinary light refractive index of the optically-uniaxial optical film layer.

An optically anisotropic layered body including a first optically anisotropic layer and a second optically anisotropic layer, wherein the first optically anisotropic layer satisfies 220 nm<Re1(590)<330 nm, Re1(450)/Re1(550)≤1.0, Re1(650)/Re1(550)≥1.0, and 0.95<NZ1<2.00, and the second optically anisotropic layer satisfies 110 nm<Re2(590)<165 nm, Re2(450)/Re2(550)≤1.0, Re2(650)/Re2(550)≥1.0, and −1.5≤NZ2≤0.00.

The present application relates to a light modulating device and an eyewear. The present application can provide a light modulation device having both excellent mechanical properties and optical properties by applying a polymer film that is also optically anisotropic and mechanically anisotropic to a substrate.

A device for modulation of light (16) having a wavelength, comprising: a first substrate (10) with a first face (81) and a second opposite face (82), and comprising a first electrode (11); a second substrate (20) adjacent to the second face (82) and defining a gap between the first and second substrate (10, 20), the second substrate (20) comprising a second electrode (21); a responsive liquid crystal layer (15) disposed in the gap, wherein the responsive liquid crystal layer (15) has a flexoelectro-optic chiral nematic phase, and is birefringent with an optic axis that tilts in response to an applied electric field between the first and second electrode (11, 21); and a minor adjacent to the second substrate (20), the minor configured to reflect incident circular polarised light while preserving its handedness.

A display device includes: a display panel configured to display an image; a window panel covering the display panel, and including a display area configured to transmit the image and a non-display area surrounding the display area; and an adhesive layer between the display panel and the window panel, wherein the window panel includes: a window substrate facing the display panel; a protective layer on a portion of a surface of the window substrate in the non-display area; and a light blocking layer on the protective layer, wherein the protective layer is an organic-inorganic composite layer.

The present application discloses a fringe field driven liquid crystal display panel. The fringe field driven liquid crystal display panel includes a first substrate having a first glass layer and a first alignment film on the first glass layer; a second substrate facing the first substrate and having a second glass layer and a second alignment film on the second glass layer; and a liquid crystal layer between the first alignment film and the second alignment film. A first main optical axis of the first glass layer and a second main optical axis of the second glass layer are non-parallel to each other and have an included angle α. The first alignment film and the second alignment film have non-parallel rubbing angles, configured to reduce light leakage and color shift in the fringe field driven liquid crystal display panel.

A privacy display comprises a spatial light modulator and a compensated switchable liquid crystal retarder arranged between first and second polarisers arranged in series with the spatial light modulator. In a privacy mode of operation, on-axis light from the spatial light modulator is directed without loss, whereas off-axis light has reduced luminance. The visibility of the display to off-axis snoopers is reduced by means of luminance reduction over a wide polar field. In a wide angle mode of operation, the switchable liquid crystal retardance is adjusted so that off-axis luminance is substantially unmodified.

A phase difference compensation element, including: a transparent substrate; a first optical anisotropic layer that includes an inorganic material, and has a C-plate retardance; and a second optical anisotropic layer that includes an inorganic material, and includes an oblique angle vapor deposition film that does not have an O-plate retardance, wherein the phase difference compensation element including the first optical anisotropic layer and the second optical anisotropic layer in combination has a quasi-O-plate retardance.

An optical composite film includes a reflection grating film layer, an optically-uniaxial optical film layer, and a substrate layer. The optically-uniaxial optical film layer includes a plate-shaped portion and a plurality of refraction portions, where the plate-shaped portion is stacked on the reflection grating film layer, the plurality of refraction portions is disposed on a side of the plate-shaped portion away from the reflection grating film layer, and the plurality of refraction portions is selected from one type of camber columns and quadrangular prisms; and the substrate layer is stacked on a side of the plate-shaped portion close to the refraction portion, where the plurality of refraction portions is accommodated in the substrate layer, and a refractive index of the substrate layer is less than an extraordinary light refractive index of the optically-uniaxial optical film layer.