The present disclosure provides a display substrate, a method for manufacturing the display substrate, and a display device. The display substrate includes a first conductive line extending in a first direction on a base substrate, a second conductive line extending in a second direction crossing the first direction on the base substrate, and an insulation layer arranged between the first conductive line and the second conductive line. The display substrate further includes a buffer layer arranged between the first conductive line and the base substrate, a groove extending in the first direction is formed in the buffer layer, the first conductive line is arranged in the groove, and a surface of the first conductive line away from the base substrate is flush with a surface of the buffer layer away from the base substrate.

The present disclosure provides an array substrate, a display panel, and a display device. The array substrate includes: a substrate; and a first conductive structure, an interlayer insulation layer, and a second conductive structure sequentially disposed on the substrate. The first conductive structure has a first connection portion, the second conductive structure has a second connection portion, and the first connection portion is electrically coupled to the second connection portion through a via penetrating through the interlayer insulation layer. At least one of the first connection portion and the second connection portion is provided with an opening, and an orthographic projection of the opening on the substrate does not overlap an orthographic projection of the via on the substrate.

A display device according to an embodiment includes a display area that includes a first and a second display area, a first pixel circuit portion on the first display area, a first light emitting element connected to the first pixel circuit portion; a second pixel circuit portion on the second display area, second light emitting elements connected to the second pixel circuit portion, and a driving circuit portion connected to the first and second pixel circuit portions, and overlapping the second light emitting element. An edge of the display area includes a straight line portion and a rounded portion. An arrangement of the second light emitting elements is different in the straight line portion than in the rounded portion.

A display device includes: a substrate; a display area including pixels arranged on the substrate; a first area disposed at one side of the display area; a second area including pads arranged on the substrate; a bending area disposed between the first area and the second area; and a fan-out line disposed in the first area, the bending area, and the second area. The fan-out line includes: a plurality of sub-routing lines arranged in the first area and electrically connected to each other; and a plurality of sub-pad lines arranged in the second area and electrically connected to each other. The number of the plurality of sub-routing lines is greater than the number of the plurality of sub-pad lines.

According to one embodiment, a display device includes first semiconductor layers crossing a first scanning line in a non-display area, the first semiconductor layers being a in number, second semiconductor layers crossing a second scanning line in the non-display area, the second semiconductor layers being b in number, and an insulating film disposed between the first and second semiconductor layers and the first and second scanning lines, wherein a and b are integers greater than or equal to 2, and a is different from b, and the first and second semiconductor layers are both entirely covered with the insulating film.

Embodiments of the disclosure relate to a display panel and a display device. Specifically, there may be provided a display panel and display device capable of simplifying the process, by comprising a substrate, first to fourth signal lines and an active layer disposed on the substrate, a first metal layer and a second metal layer disposed on a portion of an upper surface of the active layer and spaced apart from each other, a first insulation film disposed on the first and second metal layers, a second insulation film disposed on the first insulation film, an electrode pattern disposed on the active layer and the first insulation film and not overlapping the second insulation film, and a fifth signal line disposed on the second insulation film and crossing the first to fourth signal lines spaced apart from each other, wherein the first electrode contacts an upper surface of the first metal layer disposed on the active layer, and wherein the fifth signal line is disposed on the same layer as the first electrode.

A light emitting display device including a substrate; a plurality of subpixels on the substrate, each subpixel including a driving transistor and a light emitting diode connected to the driving transistor; and a plurality of scan and data lines electrically connected with the plurality of subpixels. Further, the driving transistor includes a driving gate electrode; a first active layer pattern including a first area not overlapping the driving gate electrode and a second area overlapping the driving gate electrode, wherein the second area includes a first hole overlapping with the driving gate electrode; a driving drain electrode connected to a first portion of the first area; and a driving source electrode connected to a second portion of the first area spaced apart from the first portion of the first area

An array substrate and a manufacturing method thereof are provided. A patterned metal member of the array substrate includes a patterned first metal layer, a patterned second metal layer, and a patterned copper layer which are sequentially disposed on a substrate. An etching rate at which an etching solution etches the second metal layer is less than another etching rate at which the etching solution etches the first metal layer. An adhesion force between the patterned first metal layer and the substrate is greater than another adhesion force between the patterned copper layer and the substrate.

A display apparatus includes: a transistor; a storage capacitor connected to the transistor; and a light-emitting diode electrically connected to the transistor and the storage capacitor, wherein the transistor includes: a gate electrode on a substrate and having a first sub-layer and a second sub-layer on the first sub-layer; and a semiconductor layer having a channel area, a first low-resistance area, and a second low-resistance area, wherein the channel area overlaps the gate electrode, and the first and second low-resistance areas are on both sides of the channel area, a width of the first sub-layer is greater than a width of the second sub-layer, the channel area is arranged along a side surface of the second sub-layer, the storage capacitor includes a first capacitor electrode and a second capacitor electrode, and the first capacitor electrode is on a same layer and includes a same material as the gate electrode.

A display device according to an example embodiment of the present disclosure may include a stretchable lower substrate; a lower pattern layer disposed on the lower substrate and including a plurality of lower plate patterns and a plurality of lower line patterns; a plurality of pixel circuits disposed on each of the plurality of lower plate patterns; a plurality of lower stretched lines disposed on each of the plurality of lower line patterns; an upper pattern layer disposed on the lower pattern layer and including a plurality of upper plate patterns and a plurality of upper line patterns; a plurality of light emitting elements disposed on each of the plurality of upper plate patterns; and a plurality of upper stretched lines disposed on each of the plurality of upper line patterns, so that a uniform power may be supplied.