Abstract: A method for manufacturing a display device includes applying an adhesive to a display panel having a display surface where an image is displayed and an opposite surface on an opposite side of the display surface, on the opposite surface, sprinkling a gap member of a given size on the opposite surface of the display panel to which the adhesive has been applied, and sticking together a board surface of a color separation element and the opposite surface of the display panel on which the gap member has been sprinkled, with the adhesive between the board surface and the opposite surface, the color separation element dispersing light from a light source and emitting a plurality of rays of separated light with wavelengths different from each other.

Abstract: A display device includes a display panel, a color separation element configured to disperse light from a light source and to emit, to the display panel, a plurality of rays of separated light with wavelengths different from each other, and an adhesive portion that contains a gap member of a given size and that bonds the display panel to the color separation element. The adhesive portion has a recessed portion that is separated from one of the display panel and the color separation element in side view.

Abstract: A display device includes a display panel, a color separation element configured to disperse light from a light source and to emit, to the display panel, a plurality of rays of separated light with wavelengths different from each other, and an outer adhesive portion that bonds a side surface of the display panel and the color separation element to each other over an entire perimeter of the display panel.

Abstract: According to an aspect, a detection device includes: drive electrodes; detection electrodes; and dummy electrodes in a floating state. The drive electrodes include a first electrode extending in a first direction, and a second electrode disposed at a predetermined interval from the first electrode in a second direction intersecting the first direction. The detection electrodes include a third electrode extending in the second direction. The dummy electrodes include a fourth electrode disposed at a predetermined interval from the third electrode in the first direction. The first electrode includes a first extension part, a second extension part, and a first coupling part. The second electrode includes a third extension part, a fourth extension part, and a second coupling part. The third electrode includes a fifth extension part, a sixth extension part, and a third coupling part. The fourth electrode includes a seventh extension part, and an eighth extension part.

Abstract: A temperature adjustment mold capable of performing local temperature adjustment in an axial direction from the inside of a preform while restricting shrinkage and deformation of the preform, for adjusting a temperature of an injection-molded bottomed resin-made preform includes a rod portion inserted into the preform and extending in the axial direction of the preform. The rod portion includes an annular projection portion that protrudes in a radial direction of the rod portion and contacts an inner peripheral surface of the preform. The rod portion contacts a bottom portion of the preform to restrict shrinkage in the axial direction of the preform. The projection portion restricts shrinkage in a radial direction of the preform, conducts heat between the rod portion and the preform, and adjusts a temperature at a predetermined part in an axial direction of the preform.

Abstract: According to one embodiment, a display device includes a display panel, a first wiring board mounted on the display panel, and a backlight unit located on a back surface side of the display panel to illuminate the display panel. The backlight unit includes a casing which includes a bottom plate including a first slit and a side plate standing at the bottom plate, and a light guide arranged in the casing. The first wiring board passes between the side plate and the light guide and through the first slit and is bent toward a back surface side of the casing.

Abstract: According to an aspect, a detection device includes: drive electrodes; detection electrodes; and dummy electrodes in a floating state. The drive electrodes include a first electrode extending in a first direction, and a second electrode disposed at a predetermined interval from the first electrode in a second direction intersecting the first direction. The detection electrodes include a third electrode extending in the second direction. The dummy electrodes include a fourth electrode disposed at a predetermined interval from the third electrode in the first direction. The first electrode includes a first extension part, a second extension part, and a first coupling part. The second electrode includes a third extension part, a fourth extension part, and a second coupling part. The third electrode includes a fifth extension part, a sixth extension part, and a third coupling part. The fourth electrode includes a seventh extension part, and an eighth extension part.

Abstract: According to one embodiment, in a display device, a display substrate includes color filters of a plurality of colors arranged in a display area. The color filters are arranged in different colors alternately in a first direction and the same colors in a second direction orthogonal to the first direction. A first separation substrate separates wavelength light from received backlight according to the arrangement of the colors in the first direction, and outputs the separated light to a second separation substrate. The second separation substrate separates wavelength light from the received light from the first separation substrate according to the color of each row in the second direction, and outputs the separated light to the display substrate.

Abstract: According to one embodiment, a display device includes a first insulating substrate including a first substrate end, a second insulating substrate including an outer surface and a second substrate end, an electrode located between the first substrate end and the second substrate end, and a transparent conductive layer disposed on a side on which the outer surface is located. The outer surface includes a flat portion and a sloping portion. A thickness on a side on which the second substrate end is located is less than a thickness on a side on which the flat portion is located. The transparent conductive layer overlaps the sloping portion and is electrically connected to the electrode.

Abstract: According to one embodiment, a display device includes a first substrate, a second substrate opposing the first substrate, a liquid crystal layer and a light source that emits light to the liquid crystal layer, and the first substrate includes a first portion opposing the second substrate and having a first thickness and a second portion not opposing the second substrate and having a second thickness which is less than the first thickness, and the light source is disposed on the second portion, and the light source includes a first surface opposing the second portion and a second surface opposing the first surface, and a wiring substrate is disposed on the second surface so that the wiring substrate does not protrude with respect to the second substrate in a thickness direction.

Abstract: According to one embodiment, a display device includes a liquid crystal panel and a color separation element substrate. The substrate includes a bonding area in a peripheral portion of a surface opposing the panel, and a color separation groove that serves as a color separation element is formed in an effective display area inside the bonding area. The panel includes a bonding area in a peripheral portion of the substrate on an incident surface side of the backlight, and a polarizer is disposed on an inner side the bonding area. The bonding area of the substrate and the bonding area of the panel are bonded to each other via a sealant layer formed from a sealant applied thereon and cured.

Abstract: According to one embodiment, a display device includes a liquid crystal display substrate and a color separation element substrate. The display substrate has a stripe structure in which different color filters are alternately arranged in a display area along a first direction and the same color filters are arranged along a second direction orthogonal to the first direction, and the different color filters are compartmentalized by frames along the first direction and the second direction. The element substrate has color separation grooves formed along the first direction in the display area, and grooves formed along the second direction in a region thereof where the color separation grooves are formed, so as to oppose the frame of the display substrate.

Abstract: Provided are a fingerprint detection device and a display device that can reduce the occurrence of unintended patterns. The fingerprint detection device has a plurality of drive electrodes and a plurality of detection electrodes. The detection electrodes have a plurality of first line parts, a plurality of second line parts extending in a direction crossing the first line parts, and bent parts coupling the first line parts and the second line parts to each other. The drive electrodes have a plurality of electrodes arranged spaced apart from each other in a plan view, connecting parts coupling the electrodes adjacent to each other in the second direction to each other, and dummy electrodes in a floating state, each of the dummy electrodes being arranged between two electrodes arranged in the first direction between two detection electrodes.

Abstract: Display device is provided and includes first substrate; second substrate including transparent conductive film; optical element adhered to transparent conductive film; and connecting member, wherein first substrate includes first region which overlaps second substrate and includes display portion, and second region including electrode, second substrate includes substrate edge located at boundary between first and second regions and the second region in first direction, optical element includes optical element edge located between display portion and substrate edge in second direction intersecting first direction, optical element edge does not overlap substrate edge in plan view, transparent conductive film includes extended portion extending from optical element edge toward substrate edge, connecting member is in contact with substrate edge and electrically connects electrode and extended portion, optical element includes notch, and notch and connecting member are arranged in second direction.

Abstract: According to one embodiment, a display device includes a backlight source, liquid crystal panel, and color separating element substrate. The liquid crystal panel includes an adherence area with a predetermined width in a peripheral part of the transparent material substrate in the incident surface side of the backlight, and the color separating element substrate includes a step with a predetermined height, in the peripheral part of the surface opposed to the liquid crystal panel, and an upper surface of the step of the color separating element substrate and the adherence area of the transparent material substrate of the liquid crystal panel are adhered through a film therebetween.

Abstract: According to one embodiment, a display device includes a first substrate, a second substrate opposing the first substrate, a liquid crystal layer and a light source that emits light to the liquid crystal layer, and the first substrate includes a first portion opposing the second substrate and having a first thickness and a second portion not opposing the second substrate and having a second thickness which is less than the first thickness, and the light source is disposed on the second portion, and the light source includes a first surface opposing the second portion and a second surface opposing the first surface, and a wiring substrate is disposed on the second surface so that the wiring substrate does not protrude with respect to the second substrate in a thickness direction.

Abstract: Provided are a fingerprint detection device and a display device that can reduce the occurrence of unintended patterns. The fingerprint detection device has a plurality of drive electrodes and a plurality of detection electrodes. The detection electrodes have a plurality of first line parts, a plurality of second line parts extending in a direction crossing the first line parts, and bent parts coupling the first line parts and the second line parts to each other. The drive electrodes have a plurality of electrodes arranged spaced apart from each other in a plan view, connecting parts coupling the electrodes adjacent to each other in the second direction to each other, and dummy electrodes in a floating state, each of the dummy electrodes being arranged between two electrodes arranged in the first direction between two detection electrodes.

Abstract: Disclosed is a light-emitting element including a first electrode, a first light-emitting layer, an ionic-liquid layer, a second light-emitting layer, and a second electrode. The first light-emitting layer is located over the first electrode and includes a first emissive polymer and an ionic liquid. The ionic-liquid layer is located over the first light-emitting layer and includes an ionic liquid. The second light-emitting layer is located over the ionic-liquid layer and includes a second emissive polymer and an ionic liquid. The second electrode is located over the second light-emitting layer. The light-emitting element may further include a first substrate under the first electrode, a second substrate over the second electrode, and a sealing layer located between the first substrate and the second substrate and surrounding the first electrode.

Abstract: Disclosed is a light-emitting element including a first electrode, a first light-emitting layer, an ionic-liquid layer, a second light-emitting layer, and a second electrode. The first light-emitting layer is located over the first electrode and includes a first emissive polymer and an ionic liquid. The ionic-liquid layer is located over the first light-emitting layer and includes an ionic liquid. The second light-emitting layer is located over the ionic-liquid layer and includes a second emissive polymer and an ionic liquid. The second electrode is located over the second light-emitting layer. The light-emitting element may further include a first substrate under the first electrode, a second substrate over the second electrode, and a sealing layer located between the first substrate and the second substrate and surrounding the first electrode.

Abstract: According to an aspect, a detection device includes: drive electrodes; detection electrodes; and dummy electrodes in a floating state. The drive electrodes include a first electrode extending in a first direction, and a second electrode disposed at a predetermined interval from the first electrode in a second direction intersecting the first direction. The detection electrodes include a third electrode extending in the second direction. The dummy electrodes include a fourth electrode disposed at a predetermined interval from the third electrode in the first direction. The first electrode includes a first extension part, a second extension part, and a first coupling part. The second electrode includes a third extension part, a fourth extension part, and a second coupling part. The third electrode includes a fifth extension part, a sixth extension part, and a third coupling part. The fourth electrode includes a seventh extension part, and an eighth extension part.