Abstract: A display device includes a substrate; a plurality of pixels on the substrate; a light emitting element in each of the plurality of pixels; a first electrode electrically coupled with the light emitting element; a transistor on the substrate and electrically coupled with the first electrode; and a coupling layer between the first electrode and the light emitting element in a direction perpendicular to the substrate and containing a plurality of first conductive nanoparticles.

Abstract: A display device includes a plurality of divided pixels, each of which comprising a reflective electrode, a counter electrode provided so as to face the reflective electrode, and a holding unit configured to hold a potential corresponding to an expression of a gradation, and an inorganic light emitter provided on a side of the counter electrode opposite to a side of the counter electrode facing the reflective electrode, and configured to emit light toward the divided pixel.

Abstract: A display device includes a substrate, a plurality of pixels provided on the substrate, a light emitting element provided to each of the plurality of pixels, a first electrode provided to the substrate and electrically coupled to the light emitting element, a pixel circuit provided to the substrate and configured to drive the light emitting element, and a heat generation resistor provided to the pixel circuit.

Abstract: A display apparatus is provided and includes substrate; pixels disposed on substrate; inorganic light emitting elements that are provided in pixels, respectively; electrode that is translucent and provided on one surface side of substrate and that is coupled to one of inorganic light emitting elements; transparent resin layer that is provided on one surface side of substrate and that covers electrode; light-shielding conductive layer that is provided on one surface side of substrate and that is in contact with transparent resin layer; and cover member that is translucent and provided on one surface side of substrate and that covers transparent resin layer, wherein substrate includes display region in which pixels are located, and peripheral region located outside display region, and light-shielding conductive layer is located in peripheral region.

Abstract: A display apparatus includes a first substrate, a second substrate facing the first substrate, lead wirings provided on the first substrate or the second substrate and a first insulator part provided on an upper surface of the second substrate. The lead wirings are arranged in a peripheral region when seen in a plan view and the first insulator part is arranged so as to overlap a display region when seen in a plan view. Second insulator parts or spaces with a permittivity lower than a permittivity of the first insulator part are provided at sides of the first insulator part. The second insulator parts or the spaces are arranged so as to overlap the lead wirings in the peripheral region when seen in a plan view.

Abstract: According to one embodiment, a display device comprises an insulating base, a light-emitting element, a pixel circuit including a first transistor, and a first shield that shields a part of the pixel circuit from light. The first transistor includes a first semiconductor layer, and a first gate electrode between the insulating base and the first semiconductor layer. The first shield is disposed between the insulating base and the first gate electrode in the thickness direction and overlaps a channel region where the first semiconductor layer and the first gate electrode intersect.

Abstract: A display apparatus includes a first substrate, a second substrate facing the first substrate, lead wirings provided on the first substrate or the second substrate and a first insulator part provided on an upper surface of the second substrate. The lead wirings are arranged in a peripheral region when seen in a plan view and the first insulator part is arranged so as to overlap a display region when seen in a plan view. Second insulator parts or spaces with a permittivity lower than a permittivity of the first insulator part are provided at sides of the first insulator part. The second insulator parts or the spaces are arranged so as to overlap the lead wirings in the peripheral region when seen in a plan view.

Abstract: A display device includes a substrate, a plurality of pixels provided to the substrate, a plurality of light emitting elements provided to each of the pixels, and a cathode electrode covering the light emitting elements. The light emitting elements each include a p-type cladding layer, an active layer, an n-type cladding layer, and a high-resistance layer stacked in order on the substrate, sheet resistance of the high-resistance layer is higher than sheet resistance of the n-type cladding layer, an upper surface of the n-type cladding layer has a plurality of recesses, and the cathode electrode covers the high-resistance layer and is directly coupled to the recesses and a peripheral part of the n-type cladding layer.

Abstract: According to an aspect, a display apparatus includes: a substrate; a plurality of pixels disposed on the substrate; a plurality of inorganic light emitting elements that are provided in the pixels, respectively; an electrode that is translucent and provided on one surface side of the substrate and that is coupled to one of the inorganic light emitting elements; a first conductive layer that is translucent and provided on the one surface side of the substrate and that covers the electrode; and a cover member that is translucent and provided on the one surface side of the substrate and that covers the first conductive layer. A sheet resistance value of the first conductive layer is higher than a sheet resistance value of the electrode.

Abstract: A display device includes a substrate, a plurality of pixels, a plurality of inorganic light-emitting elements, and a first light-shielding portion. The pixels are arrayed on the substrate. The inorganic light-emitting elements are provided corresponding to the respective pixels and each have a first side surface and a second side surface opposite to the first side surface. The first light-shielding portion is electrically coupled to the cathode of the corresponding inorganic light-emitting element and prevents output of light traveling in a direction intersecting the first side surface of the inorganic light-emitting element.

Abstract: According to one embodiment, a display device includes a display area, a peripheral area, a pixel electrode disposed, a switching element, a scanning line, a signal line, a metal layer which overlaps at least one of the signal line and the scanning line, an antireflection layer which covers the metal layer, a common electrode which covers the antireflection layer and a power supply line disposed in the peripheral area, to which a common voltage is supplied. The common electrode and the metal layer are connected to the power supply line in the peripheral area.

Abstract: According to one embodiment, an optical device includes a first light-emitting element and a second light-emitting element, a light-shielding layer disposed to overlap a gap between the first light-emitting element and the second light-emitting element and including a first opening overlapping the first light-emitting element and a second opening overlapping the second light-emitting element, an overcoat layer covering the light-shielding layer, a first micro-lens disposed on the overcoat layer and overlapping the first opening and a second micro-lens disposed on the overcoat layer and overlapping the second opening, and an edge of each of the first micro-lens and the second micro-lens overlaps the light-shielding layer.

Abstract: In manufacturing a magnet embedded core, creation of flash, and problems associated with flash are prevented. A device for manufacturing the magnet embedded core comprises a base (32) comprising an upper surface at which a resin pot chamber (64) for storing molten resin opens, a separator plate (36) detachably placed on the upper surface of the base (32) to support a rotor core (2) thereon and having a gate (50) and a cull opening (52) communicating the magnet insertion hole (4) of the rotor core (2) with the resin pot chamber (64), and a plunger (62) movably provided in the resin pot chamber (64) to press the molten resin in the resin pot chamber (64) into the magnet insertion hole (4) via the gate (50) and the cull opening (52), wherein an annular recess (66) is formed on the upper surface of the base (32) so as to extend outward of the resin pot chamber (64) and communicate with the resin pot chamber (64).

Abstract: A display device includes a first planarization film including an opening, a reflective film provided on an inclined surface inside the opening in the first planarization film, an LED chip surrounded by the reflective film and provided inside the opening, and a second planarization film provided on the first planarization film, surrounding the LED chip, and filling the opening, wherein a height from an upper end of the inclined surface of the first planarization film to an interface with air in the second planarization film is 20 ?m or less.

Abstract: According to one embodiment, a display device includes a first substrate, a second substrate, a liquid crystal layer and a seal. The second substrate is opposed to the first substrate. The liquid crystal layer is disposed between the first substrate and the second substrate. The seal bonds the first substrate to the second substrate together and seals the liquid crystal layer. The first substrate includes a light source disposed at a position overlapping the seal in a planar view. The light source is sealed by the seal.

Abstract: A display device includes a substrate, a plurality of first light-emitting elements and a plurality of second light-emitting elements provided in a display region of the substrate, a first lens provided overlapping each of the first light-emitting elements and having a first diameter in planar view seen from a direction perpendicular to the substrate, and a second lens provided overlapping each of the second light-emitting elements and having a second diameter smaller than the first diameter in planar view seen from the direction perpendicular to the substrate.

Abstract: A display device includes a first electrode, and LED chip on the first electrode, an insulating layer embeds the first electrode, contacts a side surface of the LED chip, and exposes an upper surface, a second electrode having translucency in contact with an upper surface of the insulating layer and the upper surface of the LED chip, and a first reflection control layer on an upper surface of the second electrode and having a first opening in an area overlapping with the LED chip. The first reflection control layer has a first surface on a side of the second electrode and a second surface on opposite to the first surface, and a reflectance of the first surface is higher than a reflectance of the second surface.

Abstract: According to one embodiment a display device includes first and second sub-pixels, first and second power lines, and a reset line. The first sub-pixel includes a first light emitting element and a first pixel circuit. The second sub-pixel includes a second light emitting element and a second pixel circuit. The first power line supplies power to the first pixel circuit. The second power line supplies power to the second pixel circuit. Reset signal is supplied to the reset line. The reset line and the power lines are arranged in a display region. The reset line is connected to both the pixel circuits. A width of the first power line is larger than a width of the second power line.

Abstract: According to one embodiment, a display device comprises an insulating base, a plurality of light-emitting elements, a plurality of pixel circuits, and a plurality of lines. The insulating base includes a plurality of first island portions and a plurality of non-linear line portions connecting two of the first island portions. The light-emitting elements are arranged in each of the first island portions. The pixel circuits are arranged in each of the first island portions and driving the light-emitting elements. The lines are arranged in each of the line portions and connected to the pixel circuits of the two first island portions connected by the line portions.

Abstract: To prevent the axial compressive force that acts on the rotor core from becoming unnecessarily large and to enable a high-quality magnet embedded core to be manufactured efficiently, a retaining jig (10) for a rotor core (2) including a magnet insertion hole (4) forming a through hole defining openings on end surfaces in an axial direction includes: a first plate (12) configured to contact against one of the end surfaces of the rotor core (2) and including a gate (20) configured to communicate with the corresponding opening of the magnet insertion hole (4); a second plate (14) configured to oppose another of the end surfaces of the rotor core (2); a closure member (26) coupled to the second plate (14) via a compression spring member (28) and configured to be capable of closing the opening of the magnet insertion hole (4) on the other of the end surfaces; and a coupling member (30) that couples the first plate (12) and the second plate (14) to each other such that the closure member (26) closes the opening and