A display device includes a substrate having a plurality of sub-pixels defined thereon, each of the plurality of sub-pixels including an emission area and a non-emission area, the display device further includes at least one gate line disposed in the non-emission area and extended in one direction, the display device further includes at least one signal line disposed in the non-emission area and crossing the at least one gate line, the display device further includes at least one branch line connected to the at least one signal line, the display device further includes at least one bridge line branching off from a metal layer disposed adjacent to the at least one branch line, the at least one branch line overlaps with the at least one bridge line.

A display device includes a substrate having a plurality of sub-pixels defined thereon, each of the plurality of sub-pixels including an emission area and a non-emission area, the display device further includes at least one gate line disposed in the non-emission area and extended in one direction, the display device further includes at least one signal line disposed in the non-emission area and crossing the at least one gate line, the display device further includes at least one branch line connected to the at least one signal line, the display device further includes at least one bridge line branching off from a metal layer disposed adjacent to the at least one branch line, the at least one branch line overlaps with the at least one bridge line.

A display device includes a substrate including an active area and a non-active area which encloses the active area, a transistor on the substrate in the active area, a planarizing layer on the substrate and the transistor in the active area and the non-active area, a light emitting diode which is on the planarizing layer in the active area and includes an anode, an organic light emitting layer, and a cathode, a first conductive pattern on the planarizing layer in the non-active area, a second conductive pattern on the first conductive pattern in the non-active area and a plurality of dummy organic patterns which is disposed between the first conductive pattern and the second conductive pattern and is formed of the same material as the organic light emitting layer, wherein an air gap is disposed between the plurality of dummy organic patterns.

A display device includes a substrate including an active area and a non-active area which encloses the active area, a transistor on the substrate in the active area, a planarizing layer on the substrate and the transistor in the active area and the non-active area, a light emitting diode which is on the planarizing layer in the active area and includes an anode, an organic light emitting layer, and a cathode, a first conductive pattern on the planarizing layer in the non-active area, a second conductive pattern on the first conductive pattern in the non-active area and a plurality of dummy organic patterns which is disposed between the first conductive pattern and the second conductive pattern and is formed of the same material as the organic light emitting layer, wherein an air gap is disposed between the plurality of dummy organic patterns.

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.

An array substrate, a display panel, and a display device are disclosed. The array substrate includes a substrate and an array functional layer. The array substrate is provided with a through hole area including a through hole, a buffer area provided around the through hole area, and a display area provided around the buffer area. The buffer area includes part of the substrate and an inorganic film layer provided by the array functional layer. At least a groove is formed in the inorganic film layer around the through hole area, and the groove has a closed ring shape or a non-closed ring shape.

An array substrate, a display panel, and a display device are disclosed. The array substrate includes a substrate and an array functional layer. The array substrate is provided with a through hole area including a through hole, a buffer area provided around the through hole area, and a display area provided around the buffer area. The buffer area includes part of the substrate and an inorganic film layer provided by the array functional layer. At least a groove is formed in the inorganic film layer around the through hole area, and the groove has a closed ring shape or a non-closed ring shape.

A display panel includes a first substrate having a display area and a peripheral area. The display area includes pixels with first output wires connected to the pixels. A first driver is connected to the first output wires and positioned in the peripheral area at a first side of the display area. The first substrate includes a notch portion having a curved edge and the display area has a first display portion and a second display portion with the notch portion therebetween. At least one of the first output wires is a first main line at the first display portion, a second main line at the second display portion, and a first connecting line that is connected to the first main line and the second main line and is at the peripheral area between the first display portion and the second display portion.

A display apparatus includes: a base substrate; a thin film transistor disposed on the base substrate and including an active pattern; an insulating layer disposed on the active pattern of the thin film transistor; a connection electrode disposed on the insulating layer, and electrically connected to the thin film transistor, wherein the connection electrode includes a curved wiring portion; a first via insulating layer covering the connection electrode; a first electrode disposed on the first via insulating layer; a light emitting layer disposed on the first electrode and at least partially overlapping the connection electrode; and a second electrode disposed on the light emitting layer.

A display substrate including a base substrate having a display area and a non-display area around the display area, a plurality of gate lines disposed in the display area and extending in a first direction, a plurality of data lines disposed in the display area, insulated from the gate lines, and extending in a second direction crossing the first direction, and a plurality of data line extension portions extending from the data lines to the non-display area, in which each of the data line extension portions includes a first portion and a second portion disposed at a higher position than the first portion.