Provided is a display device including a driving transistor, a switching unit, and a control unit. The driving transistor includes a control terminal, a first terminal, and a second terminal, and controls supply of current to a light emitting element, which is connected to the first terminal and emits light in accordance with the current amount, in accordance with a signal voltage applied to the control terminal. The switching unit can switch a conduction and non-conduction state, and, by being brought in the conduction state, forms a path that bypasses the light emitting element so that the current is not supplied to the light emitting element. The control unit performs control so that the switching unit is brought in the non-conduction state after the signal voltage is written into the control terminal, and controls a potential of the control terminal in synchronization with the control of the switching unit.

A display device includes a display substrate including: a pixel area provided in plurality separated from each other, and a plurality of through holes separated from each other; a light-emitting diode provided in plurality on the display substrate arranged in the pixel areas thereof; and a wiring line provided in plurality on the display substrate, the wiring line including a first wiring line and a second wiring line which are each electrically connected to the light-emitting diode.

A display device includes: a substrate including a first pixel region, at least one second pixel region having a smaller area than the first pixel region, the at least one second pixel region being disposed adjacent to the first pixel region, and a peripheral region surrounding the first pixel region and the second pixel region; first and second pixels respectively provided in the first and second pixel regions; first and second lines respectively connected to the first and second pixels; a dummy line connected to one of the first and second lines to extend to the peripheral region; and a first dummy part including a dummy pixel connected to the dummy line in the peripheral region.

A display substrate, a method of manufacturing a display substrate, and an electronic device are provided. The display substrate includes: a base substrate; a thin film transistor arranged on the base substrate; a first planarization layer arranged on a side of the thin film transistor away from the base substrate; a first protective layer arranged on a side of the first planarization layer away from the base substrate; a first conductive layer arranged on a side of the first protective layer away from the base substrate; and a second planarization layer arranged on a side of the first conductive layer away from the base substrate, wherein the display substrate is provided with a first via hole penetrating the first protective layer, and the first planarization layer is in contact with the second planarization layer through the first via hole.

A display device includes a substrate including a conductive pad, a driving chip facing the substrate and including a conductive bump electrically connected to the conductive pad and an inspection bump which is insulated from the conductive pad, and an adhesive member which is between the conductive pad and the driving chip and connects the conductive pad to the driving chip. The adhesive member includes a first adhesive layer including a conductive ball; and a second adhesive layer facing the first adhesive layer, the second adhesive layer including a first area including a color-changing material, and a second area adjacent to the first area and excluding the color-changing material.

An array substrate, an electroluminescent display panel, and a display device are disclosed. The array substrate includes: a base substrate, and a first signal line, an insulating layer and a second signal line provided sequentially on the base substrate in a direction perpendicular to the base substrate; wherein the first signal line has a first portion and a second portion, the first portion has a resistance higher than a resistance of the second portion, and at least a part of the first portion is overlapped with the second signal line, and the second portion is non-overlapped with the second signal line.

A display panel includes a substrate including a display area and a pad area spaced apart from the display area, and an uneven pad disposed on the substrate in the pad area. The uneven pad includes a first conductive layer, a first organic layer disposed on the first conductive layer and having an upper surface having an uneven shape, and a second conductive layer disposed on the first organic layer.

A display panel includes a base layer having a first region and a bent second region. An inorganic layer is disposed on the base layer. A lower groove is formed within the inorganic layer and overlaps the second region. A first thin-film transistor is disposed on the inorganic layer and includes a silicon semiconductor pattern overlapping the first region. A second thin-film transistor is disposed on the inorganic layer and includes an oxide semiconductor pattern overlapping the first region. Insulating layers overlap the first and second regions. An upper groove is formed within the insulating layers. A signal line electrically connects the second thin-film transistor. An organic layer overlaps the first and second regions and is disposed in the lower and upper grooves. A luminescent device is disposed on the organic layer and overlaps the first region.

A stretchable display panel includes a stretchable substrate, a plurality of display units, and a wiring portion. The stretchable substrate includes island-shaped areas and hinge areas. Each of the hinge area includes a first hinge area and a second hinge area. The wiring portion at least include a first power line and second power lines. A number of the second power lines disposed in the second hinge area is less than a number of the second power lines disposed in the first hinge area.

According to one embodiment, a flexible substrate includes a line portion including a support plate including a first surface, a flexible insulating base located on the first surface and a wiring layer disposed on the insulating base, a piezoelectric material covering the line portion, a protective member located on the piezoelectric material and an island-shaped first electrode provided on the insulating base.