Abstract: A display device includes an array substrate, and a counter substrate facing the array substrate. The array substrate includes a plurality of signal lines arrayed in a first direction in a manner spaced apart from each other, a plurality of scanning lines arrayed in a second direction in a manner spaced apart from each other, a plurality of pixel electrodes provided to respective openings of pixels each surrounded by two adjacent signal lines and two adjacent scanning lines, a plurality of semiconductors provided to the respective pixels, and a common electrode overlapping the pixel electrodes with an insulating film interposed between the common electrode and the pixel electrodes.

Abstract: According to one embodiment, an intelligent reflecting surface includes a first substrate, a second substrate, a sealing material, a liquid crystal layer, and a radar absorbent material. The first substrate includes a first basement located in a first area and a second area, and a plurality of patch electrodes. The second substrate includes a second basement and a common electrode. The radar absorbent material is located in the second area.

Abstract: According to one embodiment, an intelligent reflecting surface includes a first substrate, a second substrate, a sealing material, a liquid crystal layer, and a first transfer. The first substrate includes a plurality of patch electrodes, and a first power supply pad. The second substrate includes a common electrode, and a first power receiving pad electrically connected to the common electrode. The first transfer is in contact with the first power supply pad and the first power receiving pad. An uppermost layer of the first power supply pad, which is in contact with the first transfer, is formed of a transparent conductive material. The first power receiving pad is formed of a transparent conductive material. The common electrode is formed of metal.

Abstract: A phase modulating device includes a first electrode; a second electrode; and a liquid crystal layer including a plurality of liquid crystal molecules and arranged between the first electrode and the second electrode, wherein a height of the liquid crystal layer from the first electrode toward the second electrode is 30 ?m or more and 50 ?m or less, and in a planar view of a first plane including the first electrode, the liquid crystal layer and the second electrode, the first plane intersecting with an in-plane direction of the first electrode, at least two liquid crystal molecules arranged adjacent to each other in a direction parallel to the in-plane direction of the first electrode and oriented differently from each other are included.

Abstract: An intelligent reflecting surface includes a substrate having a first surface including a first side and a reflective region including a plurality of reflective elements arranged on the first surface, a plurality of reflective elements separated from each other by a first interval and arranged at a first pitch in a first direction and a second direction orthogonal to the first direction. Twice a distance from the first side to a first reflective element adjacent to the first side among the plurality of reflective elements is a sum of an integral multiple of the first pitch and the first interval.

Abstract: According to one embodiment, an intelligent reflecting surface includes a plurality of patch areas including a plurality of square patch electrodes, an electrode shape formed by the patch electrode, a first connection electrode, a second connection electrode, a third connection electrode, and a fourth connection electrode included in each of the plurality of patch areas has rotational symmetry having a point inside each of the plurality of patch areas as a center of rotation, and a first patch area, a second patch, a third patch area, and a fourth patch area have an intersection of the first patch area, the second patch area, the third patch area, and the fourth patch area as a whole as a center of rotation.

Abstract: An antenna device includes a strip conductor layer, a radiation conductor layer continuous from the strip conductor layer, a ground conductor layer facing the strip conductor layer and the radiation conductor layer, a liquid crystal layer between the strip conductor layer and the ground conductor layer, and the radiation conductor layer and the ground conductor layer, and an alignment film between the strip conductor layer and the liquid crystal layer, and the radiation conductor layer and the liquid crystal layer. The alignment film includes a first region overlapping the strip conductor layer and a second region overlapping the radiation conductor layer, and the alignment state of liquid crystal molecules of the liquid crystal layer in the first region is different from the alignment state of liquid crystal molecules of the liquid crystal layer in the second region.

Abstract: According to one embodiment, an intelligent reflecting surface includes a first substrate, a second substrate, and a first dielectric layer sandwiched between the first substrate and the second substrate, the first substrate includes a first base, a plurality of first patch electrodes, a plurality of second patch electrodes, which are provided between the first base and the plurality of first patch electrodes, and a second dielectric layer provided between the plurality of first patch electrodes and the plurality of second patch electrodes, the first dielectric layer has a first dielectric constant, and the second dielectric layer has a second dielectric constant.

Abstract: According to one embodiment, an intelligent reflecting surface includes a first substrate including a plurality of patch electrodes spaced apart and arranged in a matrix along each of an X-axis and a Y-axis orthogonal to each other, a second substrate including a common electrode opposed to the plurality of patch electrodes in a direction parallel to a Z-axis orthogonal to each of the X-axis and the Y-axis, and a liquid crystal layer held between the first substrate and the second substrate and opposed to the plurality of patch electrodes. Each of the patch electrodes includes a first aperture.

Abstract: According to one embodiment, a display device comprises a liquid crystal layer held between a first substrate and a second substrate, a display region having a first region in which a plurality of pixels are provided, a non-display region provided in an island-like shape in the display region and having a second region, a first polarizer and a second polarizer that overlap the first region, and a third polarizer and a fourth polarizer that overlap the second region, wherein a transmission axis of the fourth polarizer and a transmission axis of the second polarizer form an angle other than 0° and other than 90° with each other.

Abstract: According to one embodiment, an intelligent reflecting device includes a first substrate including a first base and a plurality of patch electrodes, a second substrate including a second base and a common electrode opposed to the plurality of patch electrodes, a liquid crystal layer held between the first and second substrates, a heat exchanger provided in contact with the second substrate, a temperature sensor, and a temperature controller that controls the heat exchanger based on the temperature detected by the temperature sensor, wherein an incident wave is incident on an incidence surface of the first substrate, and the heat exchanger is provided on a surface opposed to the incidence surface.

Abstract: A display device comprises a liquid crystal panel including a plurality of pixels and an imaging device arranged on a back side of the liquid crystal panel. The imaging device has an imaging region overlaps with the imaging device and the other region other than the imaging region in a plan view. A plurality of linear electrodes is arranged separately from each other in the imaging region. Among the plurality of linear electrodes, a first pair of linear electrodes are separated by a first interval and a second pair of linear electrodes are separated by a second interval different from the first interval in a plan view. The first pair of linear electrodes and the second pair of linear electrodes are irregularly arranged.

Abstract: According to one embodiment, a display device comprises a liquid crystal layer held between a first substrate and a second substrate, a display region having a first region in which a plurality of pixels are provided, a non-display region provided in an island-like shape in the display region and having a second region, a first polarizer and a second polarizer that overlap the first region, and a third polarizer and a fourth polarizer that overlap the second region, wherein a transmission axis of the fourth polarizer and a transmission axis of the second polarizer form an angle other than 0° and other than 90° with each other.

Abstract: The display device includes a liquid crystal panel having pixels, and an imaging device arranged on a backside of the liquid crystal display panel, wherein in an imaging area of the liquid crystal display panel overlapping the imaging device, the pixels are controlled so that black display pixels and white display pixels are alternately lined up in a row direction according to an operation of the imaging device.

Abstract: According to one embodiment, a display device comprises a liquid crystal layer held between a first substrate and a second substrate, a display region having a first region in which a plurality of pixels are provided, a non-display region provided in an island-like shape in the display region and having a second region, a first polarizer and a second polarizer that overlap the first region, and a third polarizer and a fourth polarizer that overlap the second region, wherein a transmission axis of the fourth polarizer and a transmission axis of the second polarizer form an angle other than 0° and other than 90° with each other.

Abstract: According to one embodiment, a display device comprises a first A spacer, a second A spacer, a third A spacer and a fourth A spacer. The first A spacer and the third A spacer are on a first substrate. The second A spacer and the fourth A spacer are on a second substrate. At least one of the first and second substrates is a flexible substrate. The first A spacer and the second A spacer are aligned in a first direction. The third A spacer and the fourth A spacer are aligned in a second direction. Side surfaces of the first A spacer and the second A spacer face in the first direction. Side surfaces of the third A spacer and the fourth A spacer face in the second direction.

Abstract: An electronic device includes a liquid crystal display panel having a display region disposed with a plurality of pixels, an image sensor disposed on the back side of the liquid crystal display panel and imaging the front direction through the liquid crystal display panel, and a lighting unit disposed between the liquid crystal display panel and the image sensor. The image sensor is disposed in a region overlapping the display region, and the lighting unit includes an optical modulation element disposed to overlap the display region and a light source for lighting the optical modulation element.

Abstract: A display device includes a first substrate including a first surface and a second surface on the opposite side with respect to the first surface, a second surface having a third surface opposite the first surface and a fourth surface on the opposite side with respect to the third surface, and a liquid crystal layer disposed between the first substrate and the second substrate, the display device includes a first region and a second region in a plan view, the first substrate includes a first polarizer provided on the second surface and a second polarizer being overlapped with the second region and being laminated with the first polarizer, and the second substrate includes a third polarizer provided on the fourth surface and a fourth polarizer being overlapped with the second region and being laminated with the third polarizer.

Abstract: According to one embodiment, a display device comprises a liquid crystal layer held between a first substrate and a second substrate, a display region having a first region in which a plurality of pixels are provided, a non-display region provided in an island-like shape in the display region and having a second region, a first polarizer and a second polarizer that overlap the first region, and a third polarizer and a fourth polarizer that overlap the second region, wherein a transmission axis of the fourth polarizer and a transmission axis of the second polarizer form an angle other than 0° and other than 90° with each other.

Abstract: Disclosed is a display device including an array substrate, a liquid crystal layer over the array substrate, a counter substrate over the liquid crystal layer, a first resin film located under the array substrate and having a first opening overlapping with the liquid crystal layer, a first wavelength plate in the first opening, and a first linear polarizing plate located under and overlapping with the first resin film and the first wavelength plate. The first resin film may be in contact with or spaced apart from the first wavelength plate.