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.

An optoelectronic component on a substrate includes a first and a second electrode. The first electrode is arranged on the substrate and the second electrode forms a counter electrode. At least one photoactive layer system is arranged between these electrodes. The at least one photoactive layer system including at least one donor-acceptor system having organic materials.

An organic EL element includes a pixel electrode, a light emitting function layer that is formed on the pixel electrode, an electron injection layer formed on the light emitting function layer, and a counter electrode that is formed on the electron injection layer and that has semi-transmissive reflectivity, in which the counter electrode contains a reductive material that reduces material of the electron injection layer and Ag with atomic ratio of 75% or more, and an adsorption layer is formed on the counter electrode.

An organic EL element includes a pixel electrode, a light emitting function layer that is formed on the pixel electrode, an electron injection layer formed on the light emitting function layer, and a counter electrode that is formed on the electron injection layer and that has semi-transmissive reflectivity, in which the counter electrode contains a reductive material that reduces material of the electron injection layer and Ag with atomic ratio of 75% or more, and an adsorption layer is formed on the counter electrode.

An organic light-emitting diode device and a manufacturing method thereof, a display substrate, and a display device are provided. The organic light-emitting diode device includes an anode layer, an organic light-emitting layer and a cathode layer which are stacked. The organic light-emitting diode device further includes a self-repairing layer, and the self-repairing layer is arranged on a side of the cathode layer away from the anode layer, and the self-repairing layer is applicable for repairing the cathode layer by an oxidation-reduction reaction.

An end (that is, an end (130b)) of a second electrode (130) of a k-th light-emitting unit (152(k)) on a second side (S2) exists on the outer side of an end (152b) of the k-th light-emitting unit (152(k)) by the width WR(k) of an overlapping region (OR). In one example, the width WR(k) is equal to or greater than d×tan(arcsin(sin θl(k)/ns)) and equal to or less than 3d×tan(arcsin(sin θl(k)/ns)) (d×tan(arcsin(sin θl(k)/ns))≤WR(k)≤3d×tan(arcsin(sin θl(k)/ns))).

A self-luminous display panel 10 in which self-luminous elements 2 are arranged on a plane, wherein each of the self-luminous elements includes: a pair of electrodes 13, 20 disposed facing each other, an electrode of the pair of electrodes including a metal layer 20A; functional layers 15, 16, 17, 18, 19 including a light emitting layer 17, disposed between the pair of electrodes; and a sealing layer 21 that covers the pair of electrodes and the functional layers from a direction. The self-luminous elements include a repaired self-luminous element 2′. The repaired self-luminous element includes a foreign object FO among the functional layers. The electrode including the metal layer has a high resistance portion 201 surrounding, in plan view, an area containing the foreign object, and has a thickened portion 202 of the metal layer at an outer edge, in plan view, of the high resistance portion.

A top-emission type organic electroluminescent (EL) element and a top-emission type organic EL device are provided. The top-emission type organic EL element includes a first electrode, an organic functional layer disposed on the first electrode, and a second electrode disposed on a side of the organic functional layer facing away from the first electrode. The second electrode includes a work-function adjustment layer and a transparent metal oxide layer. The work-function adjustment layer is disposed on the side of the organic functional layer facing away from the first electrode, and the transparent metal oxide layer is disposed on a side of the work-function adjustment layer facing away from the organic functional layer. The top-emission type organic EL element and the top-emission type organic EL device can improve the luminous efficiency and prolong the service life.

A display device including a flexible display module and provides a display surface on which an image is displayed. The flexible display module includes a display panel including a light-emitting device and a sensor unit disposed on the display panel. The sensor unit senses pressure applied to the flexible display module in a folded-in mode in which the flexible display module is folded such that a portion of the display surface faces another portion of the display surface.

A display device including a flexible display module and provides a display surface on which an image is displayed. The flexible display module includes a display panel including a light-emitting device and a sensor unit disposed on the display panel. The sensor unit senses pressure applied to the flexible display module in a folded-in mode in which the flexible display module is folded such that a portion of the display surface faces another portion of the display surface.