Abstract: According to an aspect, a display device with a touch detecting function includes: a substrate; a display area; a touch detection electrode provided with a plurality of conductive thin wires, each of the conductive thin wires including a plurality of thin wire pieces each having a linear shape and including a first end and a second end; a drive electrode; and a display functional layer. The adjacent thin wire pieces are arranged so as to be bent at a bent portion serving as a portion at which the second end of the one thin wire piece of the adjacent thin wire pieces is connected to the first end of the other thin wire piece of the adjacent thin wire pieces, and the conductive thin wires include a bent portion having an angle formed by the adjacent thin wire pieces different from angles of the other bent portions.

Abstract: According to one embodiment, a display device comprises a light modulating element which transmits or reflects incident light, a display unit which emits display light toward the light modulating element, and a retroreflective element which retroreflects the display light reflected from the light modulating element, the light modulating element including an inner surface on a side opposed to the display unit and the retroreflective element, and an outer surface on a side opposite to the inner surface, the light modulating element includes a first mode of transmitting light incident from the outer surface at a first transmittance, and a second mode of transmitting the light incident from the outer surface at a second transmittance lower than the first transmittance.

Abstract: According to one embodiment, an optical device includes a liquid crystal element including a first substrate including a plurality of first control electrodes, a second substrate which is opposed to the first substrate and comprises a second control electrode, and a first liquid crystal layer held between the first substrate and the second substrate, and a modulation element opposed to the liquid crystal element, the modulation element including a modulation portion which modulates incident light, and a non-modulation portion which is adjacent to the modulation portion.

Abstract: According to one embodiment, an illumination device includes a light source unit which emits light, a modulation element includes a modulation portion which modulates incident light, and a non-modulation portion which is adjacent to the modulation portion, and a liquid crystal element located between the light source unit and the modulation element, the liquid crystal element forming a lens between the light source unit and the modulation portion.

Abstract: According to one embodiment, a photodetector includes a sensor unit including at least one photosensor, a liquid crystal element including a first substrate includes a plurality of first control electrodes, a second substrate including a second control electrode, and a liquid crystal layer held between the first substrate and the second substrate, a liquid crystal controller which controls a voltage to be applied to the liquid crystal layer for forming a first lens that is opposed to the photosensor in the liquid crystal layer, and a sensor controller which controls the sensor unit.

Abstract: A touch detection device is provided. The touch detection device includes a substrate; a display area in which pixels each constituted by a plurality of color regions are arranged in a matrix in a plane parallel to a surface of the substrate; a touch detection electrode arranged on the substrate; a drive electrode that has electrostatic capacitance with respect to the touch detection electrode, wherein the touch detection electrode includes a conductive thin wire including a first wire segment having a first end and a second end, a second wire segment having a first end and a second end, and a third wire segment having a first end and a second end.

Abstract: According to one embodiment, a display device includes an optical element including a transmission axis which transmits first linearly polarized light and reflecting second linearly polarized light which crosses the transmission axis, a display unit which emits display light of the second linearly polarized light towards the optical element, a retroreflector including a retroreflective unit which retroreflects reflection light reflected by the optical element, and a non-retroreflective unit, a modulating element including a modulating unit disposed in a position which overlaps the retroreflective unit, and a non-modulating unit disposed in a position which overlaps the non-retroreflective unit.

Abstract: According to one embodiment, a display device includes first and second retroreflective elements which retroreflect incident light, an optical element which is located between the first retroreflective element and the second retroreflective element, and includes a first surface facing the first retroreflective element and a second surface facing the second retroreflective element and a display unit which is located on a side facing the first surface and emits display light.

Abstract: According to an aspect, a display device with a touch detecting function includes: a substrate; a display area; a touch detection electrode provided with a plurality of conductive thin wires, each of the conductive thin wires including a plurality of thin wire pieces each having a linear shape and including a first end and a second end; a drive electrode; and a display functional layer. The adjacent thin wire pieces are arranged so as to be bent at a bent portion serving as a portion at which the second end of the one thin wire piece of the adjacent thin wire pieces is connected to the first end of the other thin wire piece of the adjacent thin wire pieces, and the conductive thin wires include a bent portion having an angle formed by the adjacent thin wire pieces different from angles of the other bent portions.

Abstract: A display device includes a display unit including a display plane that displays an image and a parallax adjusting unit that is arranged to face the display unit and be able to switch a plurality of transmissive regions transmitting light and a plurality of non-transmissive regions restricting light, in which the transmissive regions and the non-transmissive regions are alternately in a first direction, and width of at least one transmissive region in the first direction among the plurality of transmissive regions or width of at least one non-transmissive region in the first direction among the plurality of non-transmissive regions is changed based on input information.

Abstract: According to one embodiment, a display device including a display unit which emits display light, an optical element which includes a first surface on the display unit side, and a second surface on a side opposite to the first surface, and transmits and reflects incident light, and a retroreflective element provided on the first surface side or the second surface side, wherein the retroreflective element includes first and second retroreflectors which retroreflect light made incident through the optical element, and a transmissive portion located between the first retroreflector and the second retroreflector.

Abstract: According to one embodiment, a display device includes a display which emits display light, an optical element including a transmission axis which transmit first linearly polarized light, which reflects second linearly polarized light crossing the transmission axis and a retroreflective element which retroreflects the display light, and the retroreflective element includes a first portion including a first surface, a second portion including a second surface and a third portion disposed between the first surface and the second surface, and an angle made by the first surface and the second surface is greater than 0° and less than 180°.

Abstract: According to an aspect, a display device with a touch detection function includes: a substrate; a display area in which pixels each constituted by different color regions are arranged in a matrix and that includes color columns in which the color regions of the same colors extend side by side; a touch detection electrode that includes a plurality of conductive thin wires; and a drive electrode. Each of the conductive thin wires includes a plurality of portions at each of which the conductive thin wire extends in a direction at an angle with respect to a direction of extension of the color regions, and a plurality of bent portions at each of which the conductive thin wire is bent with the angle changed. The conductive thin wires include portions each overlapping all of the color columns in a direction orthogonal to the surface of the substrate.

Abstract: According to one embodiment, a display device includes a display panel and an illumination device. The illumination device includes a light source unit, at least one light-shielding body which blocks part of the light emitted from the light source unit, at least one lens which refracts the light emitted from the light source unit, and an illumination controller. The illumination controller controls a first mode in which the light-shielding body and the lens are arranged at a first position, and a second mode in which at least one of the light-shielding body and the lens is arranged at a second position, which is different from the first position.

Abstract: A liquid crystal panel includes: first and second substrates arranged to be opposite each other at a predetermined gap; a liquid crystal layer filled between the first and second substrates; alignment films; a counter electrode pattern formed on the first substrate; and a pixel electrode pattern formed on the first substrate so as to have a plurality of electrode branches, the extension direction of which is bent at one bend point provided near an upper pixel portion from the center of a pixel region, and which are connected at the end portion of at least the upper pixel portion or lower pixel portion, wherein the extension direction of a slit formed near the upper pixel portion from the bend point from among slits formed in the pixel electrode pattern crosses the alignment direction of the liquid crystal layer at an angle of 7° or larger.

Abstract: According to one embodiment, a display device, includes a retroreflective element includes a base, and first and second retroreflectors each retroreflecting light made incident without transmitting the base, and a retarder element disposed between a display module and a polarizing element and between the retroreflective element and the polarizing element, the first and second retroreflectors being adjacent to each other, each of the first and second retroreflectors includes a recess portion on a side facing the retarder element.

Abstract: According to an aspect, a lens sheet outputs light reflected by a reflector, the reflected light being a part of incident light having entered the lens sheet. When a first light intensity is an intensity of light entering the lens sheet at an incident angle from 70° to 90° inclusive with respect to a normal direction of a display surface and output from the lens sheet at an output angle from 0° to 40° inclusive toward an incident side with respect to the normal direction, and a second light intensity is an intensity of light entering the lens sheet at an incident angle from 10° to 40° inclusive with respect to the normal direction and output from the lens sheet at an output angle from 0° to 40° inclusive to the incident side with respect to the normal direction, the first light intensity is greater than the second light intensity.

Abstract: According to an aspect, a display device with a touch detecting function includes: a substrate; a display area; a touch detection electrode provided with a plurality of conductive thin wires, each of the conductive thin wires including a plurality of thin wire pieces each having a linear shape and including a first end and a second end; a drive electrode; and a display functional layer. The adjacent thin wire pieces are arranged so as to be bent at a bent portion serving as a portion at which the second end of the one thin wire piece of the adjacent thin wire pieces is connected to the first end of the other thin wire piece of the adjacent thin wire pieces, and the conductive thin wires include a bent portion having an angle formed by the adjacent thin wire pieces different from angles of the other bent portions.

Abstract: According to one embodiment, a display device includes a display module which emits display light, a polarizing element including a transmission axis which transmits first linearly polarized light, the polarizing element reflecting second linearly polarized light intersecting the transmission axis, and an optical element includes a retroreflector which retroreflects light reflected from the polarizing element, the optical element being curved, and includes a first portion which is concave, and a second portion which is convex and is connected to the first portion.

Abstract: According to one embodiment, a display device includes a switching liquid crystal unit, a controller, and a display. The switching liquid crystal unit includes first and second polarizing layers, first and second substrate units, and a liquid crystal layer. The first substrate unit includes a first substrate provided between the polarizing layers, inner electrodes provided between the first substrate and the second polarizing layer, an insulating layer provided between the first substrate and the inner electrodes, and outer electrodes provided between the first substrate and the insulating layer. The second substrate unit includes a second substrate provided between the first substrate unit and the second polarizing layer, and a counter electrode provided between the second substrate and the first substrate unit. The liquid crystal layer is provided between the substrate units. The controller controls potentials of the electrodes. The display emits light including a parallax image.