Abstract: The present invention has as its technical problem to provide a punching method able to stably secure a stretch-flangeability equal to or greater than the case of using a punch having a flat blade at its bottom surface. The punching method of the present invention is a method of punching a metal sheet using a punching and shearing device provided with a punch having an upper blade having a horizontal part with respect to the cutting line in part and having parts other than the horizontal part comprised of inclined parts and a die having a lower blade wherein the upper blade used for the punching process has a shape where the inclined parts first contact the metal sheet at the time of a punching process.

Abstract: According to one embodiment, in a display device, a first pixel includes a first side wall and a first upper layer of a protective layer, a second pixel includes a second side wall and a second upper layer of the protective layer, a third pixel including a third side wall and a third upper layer of the protective layer, the first upper layer, the second upper layer, and the third upper layer have thicknesses equal to each other, the first side wall has a thickness greater than or equal to that of the second side wall, and the thicknesses of the first side wall and the second side wall are greater than the thickness of the third side wall.

Abstract: According to one embodiment, in a display device, each of a plurality of pixels includes, on a base, an anode, an organic EL layer provided on the anode, a protective layer provided to cover a side surface of the organic EL layer, and a cathode provided on the protective layer and in an aperture of a bank, so as to be in contact with the organic EL layer, and the protective layer includes a side wall provided on a side surface of the organic EL layer, and a first upper layer provided on an upper surface of the organic EL layer, and a sacrificial layer is provided on an upper surface of the first upper layer so as to be in close proximity to the organic EL layer.

Abstract: According to one embodiment, in a display device, a first anode of a first pixel includes a first reflective electrode and a first transparent electrode, a second anode of a second pixel includes a second reflective electrode and a second transparent electrode, a third anode of a third pixel includes a third reflective electrode and a third transparent electrode, and a first thickness of the first transparent electrode, a second thickness of the second transparent electrode, and a third thickness of the third transparent electrode are less in this order.

Abstract: According to one embodiment, a display device includes first and second lower electrodes, a second insulating layer arranged between the first and second lower electrodes, and having first and second openings overlapping the first and second lower electrodes, a partition arranged on the second insulating layer, a first organic layer arranged in the first opening and covering the first lower electrode, and a first upper electrode covering the first organic layer. The partition has a first layer formed of a metal material and a second layer protruding from a first side surface of the first layer toward the first opening. The first upper electrode is in contact with the first side surface.

Abstract: According to an aspect, a detection device includes: a sensor including a first photodiode and a second photodiode; and a detection circuit configured to alternately detect an output of the first photodiode and an output of the second photodiode. Anodes of the first photodiode and the second photodiode are configured to be supplied with a first potential. A cathode of the second photodiode is configured to be supplied with a second potential lower than the first potential in a first period in which the output of the first photodiode is detected. A cathode of the first photodiode is configured to be supplied with the second potential in a second period in which the output of the second photodiode is detected.

Abstract: According to one embodiment, a display device includes a lower electrode, a second insulating layer including an opening overlapping the lower electrode, an organic layer including a light-emitting layer and a functional layer, disposed in the opening and covering the lower electrode and an upper electrode covering the organic layer. The functional layer includes a first region located between the lower electrode and the light-emitting layer and a second region including an end surface located directly above the second insulating layer. A dopant concentration of a guest material in the second region is lower than the dopant concentration of the guest material in the first region.

Abstract: According to one embodiment, a display device includes a plurality of pixels including a first pixel, a second pixel and a third pixel, each of the plurality of pixels include, an anode, an organic EL layer provided on the anode, at least one set of sidewall pairs provided to cover a side surface of the organic EL layer and a cathode provided in an opening portion of the bank and in contact with the organic EL layer. The at least one set of side wall pairs includes a first sidewall formed of aluminum oxide and a second sidewall formed of silicon nitride. The first pixel includes at least two sets of the side wall pairs, and the second pixel includes at least one set of the sidewall pair.

Abstract: According to one embodiment, a display device includes a lower electrode, a second insulating layer including an opening overlapping the lower electrode, an organic layer including a light-emitting layer and a functional layer, disposed in the opening and covering the lower electrode and an upper electrode covering the organic layer. The functional layer includes a first region located between the lower electrode and the light-emitting layer and a second region including an end surface located directly above the second insulating layer. A dopant concentration of a guest material in the second region is lower than the dopant concentration of the guest material in the first region.

Abstract: According to one embodiment, a display device includes a plurality of pixels including at least a first pixel and a second pixel, each of the plurality of pixels comprising an anode including a reflective electrode and a transparent electrode, an organic EL layer provided on the anode, wherein a first anode of the first pixel includes a first reflective electrode and a first transparent electrode, a second anode of the second pixel includes a second reflective electrode and a second transparent electrode, an end portion of the first reflective electrode and an end portion of the first transparent electrode coincide with each other, and the second transparent electrode covers the second reflective electrode.

Abstract: According to one embodiment, a display device includes a plurality of pixels and a bank provided between each adjacent pair of the plurality of pixels, and each of the plurality of pixels includes, on a base, a cathode, an organic EL layer provided on the cathode, a protective layer provided to cover a side surface of the organic EL layer, and an anode provided on the protective layer and in an aperture of the bank, so as to be in contact with the organic EL layer.

Abstract: An optical sensor includes: a plurality of electrodes adjacent to one another; an organic photoelectric conversion layer that includes an active layer and is laminated in common on the plurality of electrodes, the active layer converting incident light into an electric charge; and a light shielding layer covering at least a part of the active layer between the adjacent electrodes on a light receiving side that receives the incident light.

Abstract: An optical sensor includes: a lower substrate; a plurality of lower electrodes on the lower substrate; an organic photoelectric conversion layer that is provided in common on the plurality of lower electrodes and includes a hole transport layer, an active layer, and an electron transport layer in this order from the lower substrate side; a conductive adhesive that is provided between each of the plurality of lower electrodes and the organic photoelectric conversion layer and electrically connects each of the plurality of lower electrodes to the organic photoelectric conversion layer; a light-transmitting upper electrode provided on the organic photoelectric conversion layer; and a light-transmitting upper substrate provided on the upper electrode.

Abstract: To provide a display device, in which deterioration in characteristics is small even when some of layers are exposed to a solvent or an atmosphere when photolithography is performed, and a method for manufacturing the display device. The display device having a pixel including a plurality of sub-pixels includes: a substrate; a lower electrode provided on an upper side of the substrate; an organic EL layer provided on the lower electrode and including an emission layer configured to emit a different color for each sub-pixel; and an upper electrode disposed on an upper side of the organic EL layer. An exposure protection layer having transparency and conductivity provided for each sub-pixel is formed between the organic EL layer and the upper electrode. No emission layer is formed between the exposure protection layer and the upper electrode.

Abstract: An optical sensor includes: a substrate; a pixel electrode provided on the substrate; an organic photoelectric conversion layer laminated on a surface of the pixel electrode; and a common electrode laminated on a surface of the organic photoelectric conversion layer, wherein in a cross-sectional view, the surface of the pixel electrode is heightened gradually or stepwise from an end portion closest to the substrate in a direction perpendicular to the substrate toward a top portion farthest from the substrate in the direction perpendicular to the substrate, and the surface of the organic photoelectric conversion layer and a surface of the common electrode each have a shape corresponding to a shape of the surface of the pixel electrode.

Abstract: According to one embodiment, a display device includes a base, a plurality of pixel circuits, an insulating layer, a plurality of apertures, a plurality of display elements and a partition. Each of the display elements includes a lower electrode, an organic layer and an upper electrode. The lower electrode and the organic layer are in contact over an entire surface of the aperture. The organic layer and the upper electrode are in contact over the entire surface of the aperture. The peripheral portion of the lower electrode is covered by the partition.

Abstract: According to one embodiment, a display device includes a switching element, a first insulating layer including a first contact hole penetrating to the switching element, a conductive material filled in the first contact hole, a lower electrode arranged above the first insulating layer and being in contact with the conductive material, an organic layer stacked on the lower electrode, and including a hole injection layer on the lower electrode, a hole transport layer on the hole injection layer, and a light emitting layer on the hole transport layer, an upper electrode stacked on the organic layer, and a coating layer covering an end surface of each of the lower electrode, the hole injection layer, and the hole transport layer.

Abstract: According to an aspect, a display device includes: a substrate; a planarization layer provided on the substrate; a plurality of electrodes provided on the planarization layer and arrayed in a first direction and a second direction; a bank provided on the planarization layer and the electrodes and formed in a grid pattern so as to surround each of the electrodes; and a light-emitting layer provided on the electrodes. The bank protrudes with respect to the electrodes in a third direction orthogonal to the first direction and the second direction, and a cutout is formed in part of the bank.

Abstract: According to one embodiment, a display device includes a first insulating layer, a bottom electrode provided on the first insulating layer, a second insulating layer provided on the first insulating layer and having an opening penetrating to the bottom electrode, an adhesive layer provided in the opening, having conductivity and being in contact with the bottom electrode, a reflecting electrode attached to the adhesive layer, an organic layer including a light emitting layer and provided on the reflecting electrode, a third insulating layer provided on the second insulating layer, and covering a side surface of the reflecting electrode and a side surface of the organic layer, and a top electrode provided on the organic layer and the third insulating layer.

Abstract: The present invention has as its technical problem to provide a punching method able to stably secure a stretch-flangeability equal to or greater than the case of using a punch having a flat blade at its bottom surface. The punching method of the present invention is a method of punching a metal sheet using a punching and shearing device provided with a punch having an upper blade having a horizontal part with respect to the cutting line in part and having parts other than the horizontal part comprised of inclined parts and a die having a lower blade wherein the upper blade used for the punching process has a shape where the inclined parts first contact the metal sheet at the time of a punching process.