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 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.

An organic light-emitting display apparatus, including: a first electrode disposed on the substrate; a pixel defining layer covering an edge of the first electrode; a residual layer disposed on the first electrode and the pixel defining layer, the residual layer comprising a fluoropolymer; a first organic functional layer comprising a first light emitting layer disposed on the residual layer on the first electrode; and a second electrode disposed on the first organic functional layer.

A wiring line is provided on a TFT layer, in which the wiring line is formed in the same layer and formed of the same material as those of a reflection electrode. The reflection electrode includes a plurality of metallic conductive layers made up of a low resistance metallic material, an oxide-based lower transparent conductive layer provided on a lower surface side of a lowermost metallic conductive layer constituting a lowermost layer, an oxide-based upper transparent conductive layer having light reflectivity and provided on an upper surface side of an uppermost metallic conductive layer constituting an uppermost layer, and an oxide-based intermediate transparent conductive layer provided between the plurality of metallic conductive layers.

A display panel, a display device, and a method for manufacturing a display panel are disclosed. The display panel includes a first power bus and a first power line. A display region of the display panel includes a first region and a second region, the first region and the second region include a plurality of first pixel units, respectively, the first power bus is between the first region and the second region, and the first power line is electrically connected to the first power bus and extends from the first power bus to the first region and the second region, respectively, so as to supply power to the plurality of first pixel units in the first region and the second region, respectively.

A display device includes: a substrate including a display area, and a peripheral area outside the display area, the display area including a first area and a second area; a data line at the display area; a pad area at the peripheral area; a connection line at the first area, and connected to the data line to transmit a data signal supplied from the pad area to the data line; a voltage line on the substrate; and a dummy line at the second area, and connected to the voltage line, the dummy line including a plurality of horizontal dummy patterns and a plurality of vertical dummy patterns that are alternately connected to one another.

A display apparatus includes: a substrate including a first area and a second area; and a display element layer including a first display element and a second display element. The first display element includes a first electrode having a first thickness and is located in the first area, and the second display element includes a second electrode having a second thickness, which is less than the first thickness, and is located in the second area. The second display element is provided in plural, and one of the plurality of second display elements and another one of the plurality of second display elements are electrically connected to each other.

A display device includes at least one light-emitting element configured to emit blue light, a red conversion layer disposed on an upper or lower portion of the at least one light-emitting element and including a red light-emitting quantum dot, a green conversion layer disposed on the upper or lower portion of the at least one light-emitting element and including a green light-emitting phosphor, and a substrate comprising thin film transistors electrically connected to the light-emitting element.

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 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.