According to one embodiment, a display device includes, a first transparent substrate having a side surface and a main surface, a first alignment film disposed along the main surface, a first transparent layer located between the first transparent substrate and the first alignment film, a second transparent substrate, a pixel electrode electrically connected to a switching element, a liquid crystal layer, and a light-emitting element opposed to the side surface. The first transparent layer overlaps a part of the pixel electrode and has a lower refractive index than the first transparent substrate.

According to one embodiment, a display device includes a first transparent substrate including a first main surface and a second main surface, a second transparent substrate including a third main surface, pixels arrayed in a matrix, a sealant surrounding the pixels without a break, a polymer dispersed liquid crystal layer sealed by the sealant, a third transparent substrate including a first end portion and bonded to the first main surface, and first light sources opposed to the first end portion.

A display device includes: an array substrate including a plurality of first light-transmitting electrodes each disposed in a corresponding one of pixels; a counter substrate including positions overlapping the first light-transmitting electrodes and provided with a second light-transmitting electrode; a liquid crystal layer including polymer-dispersed liquid crystals filled between the array substrate and the counter substrate; and at least one light source configured to emit light toward a side surface of the counter substrate. The array substrate includes, in each of the pixels, a third light-transmitting electrode that at least partially overlaps the first light-transmitting electrode in the plan view with an insulating layer interposed therebetween. An area of the third light-transmitting electrode in the pixel in a display region closer to the light source is larger than an area of the third light-transmitting electrode in the pixel in a display region farther from the light source.

According to one embodiment, a display device includes a first transparent substrate including a first main surface, a second transparent substrate including a first end portion, a liquid crystal layer containing strip-shaped polymers and liquid crystal molecules, a third transparent substrate including a second end portion and a second main surface, a first light-emitting element and a first light guide. The first light guide includes a first surface and a second surface. A height from the first main surface to the second surface is less than a height from the first main surface to the second main surface.

A display substrate is provided. The display substrate includes: an optical waveguide; a first buffer layer at a side of the optical waveguide, the first buffer layer including a first buffer pattern and a plurality of openings defined by the first buffer pattern; and a second buffer layer at a side of the optical waveguide provided with the first buffer layer and at least covering the plurality of openings, a refractive index of the first buffer pattern is less than a refractive index of the optical waveguide, and a refractive index of the second buffer layer is greater than the refractive index of the optical waveguide. A display panel and a display device are further provided.

A display device according to an embodiment of the present invention includes a display panel for displaying images, a lighting device provided corresponding to a first side face of the display panel, and a housing surrounding the display panel and the lighting device, the housing including a first opening provided in a front face corresponding to the display panel and a second opening in a side face. A light emitted from the lighting device enters the display panel from the first side face, a first portion of the incident light is emitted from the first opening, and a second portion of the incident light is emitted from the second opening through at least one portion of a second side face in the display panel corresponding to the first side face.

A light control sheet including a light transmissive resin substrate, and a light control layer formed on the light transmissive resin substrate. The light control layer includes a liquid crystal layer and a pair of electrode layers that sandwich the liquid crystal layer. The light transmissive resin substrate includes a light transmissive resin sheet and a surface-treated layer that has a barrier property, the light transmissive resin sheet has a first surface that faces the light control layer and a second surface opposite to the first surface, and the surface-treated layer is formed on at least one of the first surface and the second surface.

According to one embodiment, a display device includes a first substrate including a first transparent substrate, a wiring portion, and a pixel electrode, a second substrate including a second transparent substrate, a common electrode opposed to the pixel electrode, a light-shielding layer overlapping the wiring portion between the second transparent substrate and the common electrode, and a transparent layer disposed between the second transparent substrate and the light-shielding layer, a liquid crystal layer including a stripe-shaped polymer and liquid crystal molecules, and light-emitting elements. A refractive index of the transparent layer is less than a refractive index of the second transparent substrate.

According to one embodiment, a display device includes flexible first and second substrates, first and second protrusions protruding from the second substrate toward the first substrate, a sealing member bonding the first substrate and the second substrate together in a peripheral region outside a display region including a pixel, a first adhesive bonding the first protrusion and the first substrate together, and a second adhesive bonding the second protrusion and the first substrate together. The second protrusion is located closer to an end of the second substrate than the first protrusion. A width of the first protrusion is greater than a width of the second protrusion.

The present disclosure provides a light adjusting glass, including: a basic light adjusting structure and a functional light adjusting structure which are disposed in a laminated manner; the basic light adjusting structure and the functional light adjusting structure are cooperated with each other and configured to control a light transmittance of the light adjusting glass, and the basic light adjusting structure is different from the functional light adjusting structure.