The present disclosure relates to a display device and a method for manufacturing the same. A display device, according to an embodiment, includes: a substrate; a thin film transistor on the substrate; a first electrode connected to the thin film transistor; a light emitting layer on the first electrode; and a second electrode on the light emitting layer. The second electrode includes a metal material and a graphene material that are mixed.

Provided are a display device and an electronic apparatus capable of improving the reliability of a light emission state of a pixel.

A display device includes: a plurality of sub-pixels; a plurality of light emitting elements including an anode electrode, an organic layer, and a first cathode electrode, the anode electrode, the organic layer, and the first cathode electrode being separated into each of the plurality of sub-pixels; an element protective layer covering the first cathode electrode; a second cathode electrode provided on the element protective layer; and a connection portion that electrically connects the second cathode electrode and the first cathode electrode, in which the connection portion is formed along a side wall of the element protective layer.

A display device includes a substrate; an organic light-emissive layer disposed on the substrate; and a cathode electrode layer disposed on the organic light-emissive layer, wherein the cathode electrode layer includes: a first electrode layer disposed on the organic light-emissive layer; a second electrode layer disposed on the first electrode layer; and a third electrode layer disposed on the second electrode layer, wherein the second electrode layer is a conductive organic material layer. The second electrode layer can absorb heat from laser to reduce damage to the third electrode layer. Thus, penetration of external defect-causing factors into the organic light-emissive layer through the third electrode layer can be reduced.

A display panel and a manufacturing method thereof are provided. The display panel includes a substrate, and an electrode layer, an antioxidant metal layer, an organic layer and a cathode layer sequentially disposed on the substrate. The electrode layer includes an auxiliary electrode including stacked first and second auxiliary sub-electrodes, and an edge of the second auxiliary sub-electrode protrudes laterally relative to that of the first auxiliary sub-electrode. The antioxidant metal layer is bonded to a side surface of the first auxiliary sub-electrode and a side of the second auxiliary sub-electrode facing towards the substrate. The organic layer includes a first organic portion on the second auxiliary sub-electrode, and a second organic portion spaced therefrom and on a side of the auxiliary electrode. The cathode layer is disposed on first and second organic portions, and electrically connected to side surfaces of the second auxiliary sub-electrode and the antioxidant metal layer.

An organic light emitting diode includes: a first electrode; a second electrode facing the first electrode; a light emission layer between the first electrode and the second electrode; an electron injection layer between the second electrode and the light emission layer; and a buffer layer between the electron injection layer and the second electrode, where the electron injection layer includes a dipolar material and a first metal, and the buffer layer includes a metal having a work function of 4.0 eV or less.

A display panel can include a first area including a plurality of first pixels, and a second area including a pixel area including a plurality of second pixels and a plurality of camera hole areas disposed between the plurality of second pixels, in which each of the plurality of first pixels and the plurality of second pixels includes a light emitting element, and the light emitting element includes an anode layer and a cathode layer. Also, the cathode layer disposed in the second area includes openings, a density of the first pixels is different from a density of the second pixels, and metal electrode materials are surrounding the openings of the cathode layer in the second area and electrically connected to a pixel group in at least one of the plurality of camera hole areas.

A display apparatus includes a substrate, and a display element disposed over the substrate, wherein the display element includes a pixel electrode, an emission layer disposed on the pixel electrode, and an opposite electrode covering the emission layer, and wherein the opposite electrode includes a silver (Ag) alloy including Ag, at least one of Group 15 metal elements, and indium (In).

In a display device according to an embodiment of the present disclosure, a second electrode layer which has a higher melting point than that of the first electrode layer has high resistance to laser heat, such that damage thereto may be reduced even when a laser cutting process is performed. Thus, penetration of external defect-causing factors into an organic light-emitting layer may be reduced due to the second electrode layer constituting an outermost layer of the cathode electrode layer.

A display panel including a first area and a second area includes a substrate, a first pixel electrode disposed in the first area, and an opposite electrode disposed on the first pixel electrode. The opposite electrode includes a first layer including a first material and a second layer including an alloy including the first material.

A display apparatus includes a first subpixel, a second subpixel and a third subpixel disposed on a substrate; a first organic light emitting element configured to emit a first color of light, a second organic light emitting element configured to emit a second color of light and a third organic light emitting element configured to emit a third color of light disposed in the first, second and third subpixels, respectively; a first anode, a second anode and a third anode disposed in the first, second and third subpixels, respectively; and a first cathode, a second cathode and a third cathode disposed in the first, second and third subpixels, respectively, wherein the first, second and third cathodes include at least one layer, and wherein at least two cathodes among the first, second and third cathodes have a different number of layers than each other.