A light emitting device has a structure in which a first substrate and a second substrate are stacked. The device includes a plurality of light emitting elements, and a driving circuit configured to drive the plurality of light emitting elements. Part of the driving circuit is arranged in the first substrate, and another part of the driving circuit is arranged in the second substrate.

A display panel and a display apparatus are disclosed. The display apparatus includes the display panel and a sensing device. The display panel includes a substrate, a first signal line, and a first dummy conductive pattern. The substrate includes a functional display region, a buffer region, and a general display region. The buffer region is located between the functional display region and the general display region. The first signal line and the first dummy conductive pattern are disposed on the substrate and correspond to the buffer region. The first dummy conductive pattern is overlapped with a part of the first signal line. The sensing device is overlapped with the functional display region.

A display panel having improved product reliability includes a substrate including an opening area, a synchronization display area surrounding the opening area, and a display area arranged on a periphery of the synchronization display area, a plurality of signal lines arranged over the substrate, a first sub-pixel including a first pixel electrode arranged in the display area and a first intermediate layer which is arranged on the first pixel electrode and emits light having a first wavelength, a first synchronization sub-pixel including a first synchronization pixel electrode arranged in the synchronization display area and a first synchronization intermediate layer which is arranged on the first synchronization pixel electrode and emits light having the first wavelength as the first sub-pixel, and a first conductive layer connecting the first pixel electrode to the first synchronization pixel electrode.

A display apparatus includes a substrate, a first pixel, a voltage line set, and a connection conductive layer. The substrate includes a transmission area, a display area, and a first non-display area. The display area surrounds the transmission area. The first non-display area is positioned between the transmission area and the display area. No image-displaying pixels are positioned on the transmission area or the first non-display area. The first pixel is arranged on the display area and includes a display element and a pixel circuit. The voltage line set is electrically connected to the pixel circuit and overlaps both the display area and the first non-display area. The connection conductive layer is positioned on the first non-display area, surrounds the transmission area, and is electrically connected to the voltage line set. A material of the voltage line is identical to a material of the connection conductive layer.

A display apparatus includes a substrate, a first pixel, a voltage line set, and a connection conductive layer. The substrate includes a transmission area, a display area, and a first non-display area. The display area surrounds the transmission area. The first non-display area is positioned between the transmission area and the display area. No image-displaying pixels are positioned on the transmission area or the first non-display area. The first pixel is arranged on the display area and includes a display element and a pixel circuit. The voltage line set is electrically connected to the pixel circuit and overlaps both the display area and the first non-display area. The connection conductive layer is positioned on the first non-display area, surrounds the transmission area, and is electrically connected to the voltage line set. A material of the voltage line is identical to a material of the connection conductive layer.

A display device includes: a first substrate including a display area and a non-display area at least partially surrounding the display area; a second substrate disposed on the first substrate; a pixel layer disposed on the display area between the first substrate and the second substrate; a seal disposed on the non-display area between the first substrate and the second substrate; a pad connected to the pixel layer and disposed on the non-display area; and a dummy element in a hole in the seal, the dummy element being disposed on the pad.

A transparent display device including a base substrate, a plurality of pixels disposed on the base substrate, each pixel having an emission area and a transmission area transparent to external light, a circuit element layer disposed on the base substrate, a first electrode disposed on the circuit element layer and corresponding to the emission area, a pixel define layer disposed on the circuit element layer, the pixel define layer including a first sidewall defining the emission area and a second sidewall defining the transmission area, an emission layer disposed on the first electrode and corresponding to the emission area, and a second electrode disposed on the emission layer and including an opening that corresponds to the transmission area, in which the first sidewall is inclined at a first angle, and the second sidewall is inclined at a second angle greater than the first angle.

A display device including: a substrate; an active layer, and including channel and conductive regions; a first conductive layer including a driving gate electrode and a scan line in a first direction; a second conductive layer including a storage line; a third conductive layer including a first connecting member above the storage line; an insulating layer between the storage line and the first connecting member; and a data line and a driving voltage line crossing the scan line in a second direction, wherein the first connecting member electrically connects the driving gate electrode and a conductive region, the driving voltage line overlaps the first connecting member, the insulating layer includes first and second sub-insulating layers, and an edge of the second sub-insulating layer substantially overlaps an edge of the first connecting member in a thickness direction of the display device.

A display device includes a display panel including a first display area including first pixels, and a second display area including a pixel portion, in which second pixels are disposed, and a transmission portion through which light is transmitted. The pixel portion of the second display area includes a base member, a metal layer disposed on the base member to define the transmission portion, a first active layer disposed on the metal layer and including a first material, and a first gate layer disposed on the first active layer. A hole is defined through the metal layer to overlap at least a part of the first active layer in a thickness direction.

A display apparatus includes a substrate, a first data line in a display area, a first input line in a peripheral area, and a first connecting wire electrically connected to the first input line in a peripheral area of the substrate. The first connecting wire transfers a first input signal from the first input line to the first data line. The first connecting wire includes a first connecting line disposed in a display area of the substrate and extending in the first direction, and a second connecting line electrically connected to the first connecting line and extending in a second direction intersecting the first direction. The first connecting line and the second connecting line are disposed on different layers.