An electronic device according to one or more embodiments includes a display device including a substrate including a sub-pixel area, a first pad electrode and a second pad electrode above a first surface of the substrate, and spaced apart from each other in the sub-pixel area, an insulating layer between the first pad electrode and the second pad electrode, covering an end of the first pad electrode facing the second pad electrode, covering an end of the second pad electrode facing the first pad electrode, and including an organic layer, and an inorganic layer above the organic layer, and a light-emitting element above the first pad electrode, the second pad electrode, and the insulating layer, and electrically connected between the first pad electrode and the second pad electrode.

A display apparatus is provided. The display apparatus includes a substrate, a plurality of pixel driving circuits on the substrate, a plurality of insulating layers on the plurality of pixel driving circuits, a plurality of banks on the plurality of insulating layers, a plurality of micro LEDs on the plurality of banks and electrically connected to each of the plurality of pixel driving circuits. A dam is disposed between adjacent pixel driving circuits and formed on the same layer as the plurality of pixel driving circuits. The dam is configured to control the flow of the insulating layers and enhance the structural stability of the display. Thus, a signal distortion of the plurality of signal lines disposed on the pixel driving circuit may be suppressed, thereby improving display performance and reliability.

A display apparatus is provided. The display apparatus includes a substrate, a plurality of pixel driving circuits on the substrate, a plurality of insulating layers on the plurality of pixel driving circuits, a plurality of banks on the plurality of insulating layers, a plurality of micro LEDs on the plurality of banks and electrically connected to each of the plurality of pixel driving circuits. A dam is disposed between adjacent pixel driving circuits and formed on the same layer as the plurality of pixel driving circuits. The dam is configured to control the flow of the insulating layers and enhance the structural stability of the display. Thus, a signal distortion of the plurality of signal lines disposed on the pixel driving circuit may be suppressed, thereby improving display performance and reliability.

Disclosed are a display device and a manufacturing method thereof. The display device may comprise a substrate having a display region and a non-display region outside the display region; a circuit layer including a plurality of lines disposed on the substrate, wherein the plurality of lines are separated with a first insulating layer therebetween; and an second insulating layer including a first contact hole that exposes an uppermost layer line in the display region and a second contact hole that exposes an uppermost layer line in the non-display region, wherein a thickness of the second insulating layer in the non-display region is different from a thickness of the second insulating layer in the display region.

Disclosed are a display device and a manufacturing method thereof. The display device may comprise a substrate having a display region and a non-display region outside the display region; a circuit layer including a plurality of lines disposed on the substrate, wherein the plurality of lines are separated with a first insulating layer therebetween; and an second insulating layer including a first contact hole that exposes an uppermost layer line in the display region and a second contact hole that exposes an uppermost layer line in the non-display region, wherein a thickness of the second insulating layer in the non-display region is different from a thickness of the second insulating layer in the display region.

A display device, an electronic apparatus including the display device, and a method for manufacturing the display device are disclosed. The display device may include a connection electrode passing through a base insulating (e.g., electrically insulating) layer and a reflective pattern connected to the connection electrode. The connection electrode may include a first conductive (e.g., electrically conductive) layer and a second conductive (e.g., electrically conductive) layer on the first conductive layer and made of a material different from that of the first conductive layer. The upper surface of the connection electrode may be continuous with the upper surface of the base insulating layer, and the upper surface of the connection electrode and the upper surface of the base insulating layer may substantially form a single plane.

A display device, an electronic apparatus including the display device, and a method for manufacturing the display device are disclosed. The display device may include a connection electrode passing through a base insulating (e.g., electrically insulating) layer and a reflective pattern connected to the connection electrode. The connection electrode may include a first conductive (e.g., electrically conductive) layer and a second conductive (e.g., electrically conductive) layer on the first conductive layer and made of a material different from that of the first conductive layer. The upper surface of the connection electrode may be continuous with the upper surface of the base insulating layer, and the upper surface of the connection electrode and the upper surface of the base insulating layer may substantially form a single plane.

A display panel according to an embodiment of the present specification can include a substrate having a display area and a non-display area. The display area can include a first-first connection wire, a first-second connection wire arranged on the first-first connection wire, a first-third connection wire arranged on the first-second connection wire, a first-fourth connection wire arranged on the first-third connection wire, and a signal wire arranged on the first-fourth connection wire. At least one protective layer can be arranged on the first-first connection wire or the first-fourth connection wire. Accordingly, corrosion of various wiring in the display device can be prevented and operational reliability can be improved.

A display panel according to an embodiment of the present specification can include a substrate having a display area and a non-display area. The display area can include a first-first connection wire, a first-second connection wire arranged on the first-first connection wire, a first-third connection wire arranged on the first-second connection wire, a first-fourth connection wire arranged on the first-third connection wire, and a signal wire arranged on the first-fourth connection wire. At least one protective layer can be arranged on the first-first connection wire or the first-fourth connection wire. Accordingly, corrosion of various wiring in the display device can be prevented and operational reliability can be improved.

A display device includes a substrate including a display area and a non-display area; driving chips on the display area; light-emitting elements electrically connected to the driving chips; and a pad on the non-display area and including a pad electrode electrically connected to the light-emitting elements, wherein the display area extends in row and column directions, wherein the display area is divided into block areas in each of both opposing sides around a central column virtual line of the display area, wherein both block areas are arranged in the row direction in a symmetrical manner to each other around the central column virtual line, wherein the block areas are arranged in the column direction, wherein power signals from the pad are directly applied to the driving chips, wherein data and clock signals from the pad are applied to the driving chips of each of the block areas.