According to one embodiment, a display device includes first and second lower electrodes, a rib, a partition including a lower portion and an upper portion, a first organic layer disposed on the first lower electrode, a second organic layer disposed on the second lower electrode, a first upper electrode disposed on the first organic layer, a second upper electrode disposed on the second organic layer, a first sealing layer disposed above the first upper electrode, in contact with the lower portion and extending to above the upper portion and a second sealing layer disposed above the second upper electrode, in contact with the lower portion, extending to above the upper portion, and spaced apart from the first sealing layer.

A display panel includes: a first substrate; a second substrate, arranged opposite to the first substrate. A first locking structure is arranged on at least one edge of a surface of the first substrate facing the second substrate, a second locking structure that corresponds to the first locking structure is arranged on a surface of the second substrate facing the first substrate corresponding to the at least one edge. The first locking structure includes a first locking member arranged on the first substrate and a second locking member arranged on the first locking member. The second locking structure includes a third locking member arranged on the second substrate and a fourth locking member arranged on the third locking member. The first locking member is engaged with the third locking member, and the second locking member is engaged with the fourth locking member.

A thin-film transistor layer includes: a first wiring layer; a first planarization film; a second wiring layer; and a second planarization film, all of which are stacked on top of another in a stated order. The first planarization film and the second planarization film include a first slit shaped into a frame, provided between the display region and the first dam wall, and penetrating the first planarization film and the second planarization film. In the first slit, a first frame wire and a second frame wire have respective edge portions facing each other and covered with a protective film made of an inorganic insulating film included in the thin-film transistor layer.

A display device is disclosed. The display device of the present disclosure comprises: an elongated roller; a flexible display panel that is wound on or unwound from the roller; a module cover located at the rear of the display panel; a foldable link that is adjacent to the rear surface of the module cover and is folded or unfolded in the upward and downward directions by being pivoted about a pivot axis parallel to the forward and backward directions; and a sheet that is coupled to the foldable link between the module cover and the foldable link, wherein the coefficient of friction of the sheet is lower than the coefficient of friction of the foldable link.

According to one embodiment, a method of manufacturing a display device, includes forming a partition including a lower portion disposed on a first surface of a base and an upper portion protruding from a side surface of the lower portion, and measuring the distance between a side surface of the lower portion and an end portion of the upper portion from a side of a second surface opposing the first surface of the base.

In a thin film transistor layer, a first semiconductor film made of an oxide semiconductor, a first gate insulating film made of an inorganic insulating film, a first metal film, a first interlayer insulating film made of an inorganic insulating film, a second metal film, a protective insulating film made of an inorganic insulating film, and a flattening film made of an organic resin material are sequentially layered. The protective insulating film includes a thin film portion provided at a portion where a plurality of first wiring lines formed of the first metal film and a plurality of second wiring lines formed of the second metal film intersect with each other so as to be thinner than a portion of the protective insulating film around the intersecting portion.

A display device includes: a resin substrate layer; a thin film transistor layer on the resin substrate layer, the thin film transistor layer including a sequential stack of an inorganic insulating film, a wiring layer, and a planarization film; and a light-emitting element layer, wherein a frame area is provided, a terminal section is provided, a bending section is provided between the display area and the terminal section, a plurality of routing wires are provided in the bending section and two sides of the bending section, and at least one of the plurality of routing wires includes: a display-side wiring section on an edge portion of the inorganic insulating film; a terminal-side wiring section on another edge portion of the inorganic insulating film; and an intermediate wiring section electrically connected to the display-side wiring section and the terminal-side wiring section respectively.

A display device includes a first substrate, a second substrate, a display layer, a bump, and a sealing material. The second substrate is disposed over the first substrate. The display layer is disposed between the first substrate and the second substrate, and has a boundary. The bump is connected to the first substrate or the second substrate and protrudes in a direction toward the opposite second substrate or first substrate, and is disposed around the boundary. The sealing material is filled between the bump and the display layer. The water vapor transmission rate of the bump is less than the water vapor transmission rate of the sealing material.

According to one embodiment, a manufacturing method of a display device includes forming a first display element on a substrate, the first display element including a first lower electrode, a first upper electrode and a first organic layer located between the first lower electrode and the first upper electrode, forming a first sealing layer which covers the first display element, forming a first resist on the first sealing layer, and removing, of the first sealing layer and the first display element, a portion exposed from the first resist by a first patterning process including washing of the substrate with a cleaning liquid containing water.

An organic electroluminescent display device includes a light-emitting device substrate assembly including a light-emitting device substrate assembly including a drive circuit board and light-emitting devices positioned on the drive circuit board, a color filter including red colored pixels, green colored pixels, and blue colored pixels at positions corresponding to the light-emitting devices of the light-emitting device substrate assembly, and a light-shielding layer formed such that the light-shielding layer does not overlap the light-emitting devices and is straddling a boundary between the colored pixels. The drive circuit board includes a semiconductor substrate having a drive circuit formed therein, and each of the light-shielding layer and the color filter has a surface oriented toward the light-emitting devices such that the surface of the light-shielding layer is flush with the surface of the color filter or closer to the light-emitting devices than the surface of the color filter.