Abstract: Provided is a display device including: a capacitor having a first electrode, a first insulating film over the first electrode, and a second electrode over the first insulating film; and a first transistor over the capacitor. The first transistor includes the second electrode, a second insulating film over the second electrode, an oxide semiconductor film over the second insulating film, and a first source electrode and a first drain electrode over the oxide semiconductor film. The first source electrode and the first drain electrode are electrically connected to the oxide semiconductor film.

Abstract: According to one embodiment, a display device includes a substrate, a circuit layer including a metal-made feed line in a surrounding area, an insulating layer covering the circuit layer, a lower electrode, a rib, a partition above the rib, an upper electrode connected to the partition, an organic layer between the electrodes and a conductive layer connected to the partition. The partition and the conductive layer each includes a metal-made lower portion and an upper portion protruding from a side surface of the lower portion. The lower portion of the conductive layer and the feed line are in contact with each other in the first contact portion in the surrounding area.

Abstract: According to one embodiment, a display device includes a substrate, an insulating layer above the substrate, a lower electrode in a display area, a rib including an aperture overlapping the lower electrode, a conductive partition above the rib in the display area, an upper electrode facing the lower electrode and connected to the partition, an organic layer at least partially located between the lower and upper electrodes and emitting light based on a potential difference between the electrodes, a feed line in a surrounding area around the display area, and a conductive layer provided above the rib in the surrounding area and connected to the feed line and the partition.

Abstract: According to one embodiment, a display device includes a substrate including a display area and a dummy pixel area which includes a plurality of dummy subpixels, a plurality of lower electrodes located above the substrate and provided in the dummy pixel area, and a partition which includes a lower portion provided above the lower electrode and an upper portion provided on the lower portion to protrude from a side surface of the lower portion, and which is provided across the display area and the dummy pixel area. Each of the plurality of dummy subpixels includes the lower electrode. The partition includes a first aperture overlapping with the lower electrode. At least a part of the plurality of lower electrodes includes a second aperture overlapping with the first aperture.

Abstract: According to one embodiment, a display device includes touch electrodes overlapping a display area, first wiring lines connected to the touch electrodes, second wiring lines connected to the first wiring lines, third wiring lines connected to the second wiring lines, third wiring lines connected to the third wiring lines, fourth wiring lines connected to the third wiring lines, and the fifth wiring lines connected to the fourth wiring lines, wherein the second wiring lines are partially exposed, the exposed regions of the second wiring lines constitute connecting portions with a circuit board, and half of the fourth wiring lines and all of the fifth wiring lines extend to an end portion of a base.

Abstract: A display device includes a light-emitting element; a first transistor and a second transistor connected in series between the light-emitting element and a driving power line; a third transistor electrically connected to a gate electrode of the first transistor; and a fourth transistor connected in parallel between a drain electrode of the first transistor and the light-emitting element, wherein a ratio of a channel width W1 to a channel length L1 of the first transistor (a W1/L1 ratio) and a ratio of a channel width W2 to a channel length L2 of the second transistor (a W2/L2 ratio) are larger than a ratio of a channel width W3 to a channel length L3 of the third transistor (a W3/L3 ratio) and a ratio of a channel width W4 to a channel length L4 of the fourth transistor (a W4/L4 ratio).

Abstract: A display device can include a base, a plurality of pixels arranged in a display area on the base, and a data signal line supplying a data signal to each of the plurality of pixels. Each of the plurality of pixels can include a pixel circuit including a plurality of transistors and a light emitting element driven by the pixel circuit. The pixel circuit can drive the light emitting element to emit light in time division. The first transistor can be connected to the data signal line, among the plurality of transistors including the pixel circuit, can be an oxide transistor.

Abstract: According to one embodiment, a display apparatus includes a plurality of semiconductor layers, a first insulation film, a first conductive layer, a second insulation film and a display element includes a second conductive layer. The first conductive layer and the second conductive layer are opposed to each other to form a capacitance unit.

Abstract: According to one embodiment, a display device includes a display area including subpixels, a rib layer having pixel apertures, a partition surrounding each of the apertures, display elements respectively provided in the subpixels and each including an organic layer, first sealing layers respectively covering the display elements, and a touch detection electrode having light-shielding properties. The partition includes first and second segments separated by a first slit, and a connection portion crossing the first slit to connect the segments. The touch detection electrode overlaps the connection portion in plan view.

Abstract: According to one embodiment, a display device includes a substrate, an insulating layer, a lower electrode, a rib including an aperture and covering a periphery of the lower electrode, a partition above the rib, an upper electrode being in contact with the partition, and an organic layer between the electrodes. The organic layer includes a first organic layer that is in contact with the lower electrode through the aperture, and a second organic layer on the partition. At least a part of the periphery of the lower electrode is located between the insulating layer and the partition in a thickness direction of the insulating layer.

Abstract: According to one embodiment, a mother board for a display device includes a display area for displaying an image, a margin area on an outer side of a cut line for cutting out the display area, an inorganic insulating layer disposed in the display area and the margin area, a display element disposed in the display area, a first partition disposed above the inorganic insulating layer in the margin area, a first sealing layer formed of an inorganic insulating material and disposed above the display element and the first partition, and a first resin layer disposed above the first sealing layer in the margin area.

Abstract: According to one embodiment, a method of manufacturing a display device, includes forming a lower electrode on a base, forming a rib which covers a part of the lower electrode, forming a partition including a lower portion disposed on the rib and an upper portion protruding from a side surface of the lower portion, removing the upper portion of at least a part of the partition, measuring a first width of the lower portion of the partition and a second width of the upper portion of the partition and measuring a distance between the side surface of the lower portion and an end portion of the upper portion based on the first and second widths.

Abstract: According to one embodiment, a display device includes a substrate, a circuit layer including a metal-made feed line in a surrounding area, an insulating layer covering the circuit layer, a lower electrode, a rib, a partition above the rib, an upper electrode connected to the partition, an organic layer between the electrodes and a conductive layer connected to the partition. The partition and the conductive layer each includes a metal-made lower portion and an upper portion protruding from a side surface of the lower portion. The lower portion of the conductive layer and the feed line are in contact with each other in the first contact portion in the surrounding area.

Abstract: Provided is a display device including a first dam surrounding the display area, a second dam surrounding the first dam, a first sensor electrode and a second sensor electrode overlapping the display area, a first sensor wiring and a second sensor wiring over the first dam and electrically connected to the first sensor electrode and the second sensor electrode, respectively, a first wiring under the second dam and electrically connected to the first sensor wiring at a first contact portion, and a second wiring under the second dam and electrically connected to the second sensor wiring at a second contact portion.

Abstract: According to one embodiment, a display device includes a display area including subpixels, a partition surrounding subpixels, display elements respectively provided in the subpixels, and sealing layers formed of an inorganic insulating material and covering each of the display elements. The partition includes first and second segments that are divided from each other by a slit extending in a first direction and are arranged in a second direction, and a first connecting portion crossing the slit to connect the first and second segments. Further, adjacent two sealing layers overlap at least a part of the first connecting portion in plan view.

Abstract: According to one embodiment, a display device includes a substrate, an insulating layer above the substrate, a lower electrode above the insulating layer in a display area, an upper electrode facing the lower electrode, an organic layer provided in the display area and a surrounding area, and a first ridge in the surrounding area. The first ridge includes a lower portion, and an upper portion provided on the lower portion and including an end portion protruding from a side surface of the lower portion. At least part of the organic layer is divided by the first ridge in the surrounding area.

Abstract: Provided is a display device including: a capacitor having a first electrode, a first insulating film over the first electrode, and a second electrode over the first insulating film; and a first transistor over the capacitor. The first transistor includes the second electrode, a second insulating film over the second electrode, an oxide semiconductor film over the second insulating film, and a first source electrode and a first drain electrode over the oxide semiconductor film. The first source electrode and the first drain electrode are electrically connected to the oxide semiconductor film.

Abstract: According to one embodiment, a display device includes a display area including subpixels, a partition including a lower portion and an upper portion, display elements respectively provided in the subpixels and each including an organic layer, and sealing layers covering each of the display elements. The partition includes first and second segments that are divided from each other by a slit extending in a first direction and are arranged in a second direction intersecting the first direction, and a first connecting portion crossing the slit to connect the segments. The sealing layers include a first sealing layer overlapping at least a portion of the first connecting portion in plan view.

Abstract: An organic electroluminescence display device includes a substrate including a first surface, a first area arranged on the first surface and including one or more first spacers and a plurality of pixels each including a light-emitting layer, a third area arranged on the first surface, surrounding the first area, and not including spacers, and a second area arranged on the first surface, surrounding the third area, and including one or more second spacers. The plurality of pixels each including the light-emitting layer is arranged along a first direction and a second direction intersecting the first direction, and a length of the third area in the second direction is a total length of pitches for at least two pixels.

Abstract: A display device can include a base, a plurality of pixels arranged in a display area on the base, and a data signal line supplying a data signal to each of the plurality of pixels. Each of the plurality of pixels can include a pixel circuit including a plurality of transistors and a light emitting element driven by the pixel circuit. The pixel circuit can drive the light emitting element to emit light in time division. The first transistor can be connected to the data signal line, among the plurality of transistors including the pixel circuit, can be an oxide transistor.