A light-emitting substrate includes a first conductive coil, a light-emitting unit and a control circuit. The first conductive coil has a first end and a second end. The first conductive coil is coupled to an external coil, so that the first conductive coil generates a first power signal. The light-emitting unit includes a first electrode and a second electrode. The second electrode of the light-emitting unit is electrically connected to the first end of the first conductive coil. A control terminal of the control circuit is electrically connected to the second end of the first conductive coil, an input terminal of the control circuit is electrically connected to a first power terminal, and an output terminal of the control circuit is electrically connected to the first electrode of the light-emitting unit. The first voltage signal provided by the first power terminal is a direct current voltage signal.

A display device according to an embodiment may include: a substrate; a first electrode disposed on the substrate; an emission layer disposed on the first electrode; a second electrode disposed on the emission layer; and a metal pattern portion disposed on the second electrode.

A display panel and a display device are provided by the embodiments of the present disclosure. The display panel includes a first displaying region and a second displaying region. The second displaying region is located within the first region of the displaying surface of the display panel. There are a plurality of cathodes that are arranged in a predetermined pattern, and a plurality of cathode-removal regions in the second displaying region, wherein at least two cathodes in the plurality of cathodes are connected in parallel. The first region refers to a region that faces the region of the bottom of the displaying surface of the display panel where an optical functional element is disposed. In this way, the resistance of the cathodes can be reduced, to prevent obvious local voltage drop in the second displaying region.

A light-emitting element includes a first electrode, a second electrode, a light-emitting layer between the first electrode and the second electrode, and an intervening layer between the first electrode and the light-emitting layer, the intervening layer containing an oxide. The first electrode includes: a first layer adjacent to the intervening layer, the first layer containing atoms of a first metal element; and a second layer containing atoms of a second metal element, the first layer and the second layer are stacked in a stated order when viewed from the light-emitting layer, and the second metal element is more susceptible to oxidation than the first metal element.

The present disclosure relates to a display device, and the display device according to an embodiment includes a plurality of first electrodes on a substrate, a pixel defining layer between respective ones of the plurality of first electrodes and covering edges of the plurality of first electrodes, a metal wire on the pixel defining layer, and a second electrode on the light emitting layer and the metal wire and electrically connected to the metal wire.

Provided is a display device including a substrate; an anode electrode and a cathode electrode on the substrate; an intermediate electrode including a first intermediate electrode disposed on the anode electrode and exposes a portion of the anode electrode, and a second intermediate electrode disposed on the cathode electrode and exposes a portion of the cathode electrode; and a light-emitting element including a first element electrode electrically connected to the anode electrode, and a second element electrode electrically connected to the cathode electrode.

A display device a method for manufacturing the same and the electronic device are provided. The display device includes a substrate, connection electrodes above the substrate, light-emitting elements respectively above the connection electrodes, and including a semiconductor stack including a first semiconductor layer, an active layer, and a second semiconductor layer, an etch-stop layer above the semiconductor stack, and an insulating layer surrounding a side surface of the semiconductor stack in plan view, and having one end substantially level with a top surface of the etch-stop layer, and a common electrode above the light-emitting elements.

Embodiment relates to a semiconductor light emitting device for a display pixel and a display device including the same. A semiconductor light emitting device for a display pixel according to an embodiment includes a light emitting structure including a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer, the first conductivity type semiconductor layer in the semiconductor light emitting device for a display pixel, a first contact electrode electrically connected to, a metal layer disposed under the first conductivity-type semiconductor layer, a second contact electrode disposed on the second conductivity-type semiconductor layer, and a passivation disposed on the light emitting structure may contain layers. The metal layer may include a magnetic material, and a weight ratio of the magnetic material to the weight of the semiconductor light emitting device may be 0.25% to 36.75%.