An organic light emitting diode according to the present disclosure includes a first electrode, a second electrode overlapping the first electrode, and an emission layer disposed between the first electrode and the second electrode. The second electrode includes a bottom region and a top region. The bottom region includes a MgAg alloy including more Mg than Ag. The top region includes a AgMg alloy including more Ag than Mg.

An organic light emitting diode display includes: a first organic light emitting element configured to emit light having a first wavelength; and a second organic light emitting element configured to emit light having a second wavelength substantially shorter than the first wavelength. The first organic light emitting element includes a first electrode, and the second organic light emitting element includes a second electrode having substantially higher reflectance for the light having the second wavelength than the first electrode.

Disclosed is an organic light emitting device, (OLED) comprising a substrate on which a driving transistor is formed, a bank formed on the substrate providing a boundary for a pixel region, a first electrode formed on the substrate and electrically connected with the driving transistor, the first electrode comprising a first and second cross sectional area both oriented in a direction perpendicular to a vertical direction of the substrate, the first area adjacent to the bank, the second area surrounded by the first area, an organic layer formed on the first electrode within the boundary provided by the bank, and a second electrode formed on the organic layer, wherein during operation of the OLED a first electric field between the first area of the first electrode and the second electrode is greater than a second electric field between the second area of the first electrode and the second electrode.

A display device in an embodiment according to the present invention includes a substrate, a pixel part including a circuit element over the substrate, and a terminal part including a terminal electrode and located over the substrate, the terminal electrode electrically connected with the circuit element. The terminal electrode located over an underlying structure layer having a surface formed from at least one inclined surface, the underlying structure layer arranged between the terminal electrode and the substrate and a flat surface, and the terminal electrode including a stepped surface along a surface formed from the inclined surface and the flat surface of the underlying structure layer in a surface of the terminal electrode.

Disclosed are an organic light-emitting device and a method of manufacturing the same, and a display device. The organic light-emitting device includes: a first electrode layer, a second electrode layer, and an organic light-emitting layer sandwiched between the first electrode layer and the second electrode layer, wherein the first electrode layer includes a first transparent conductive layer, a nanostructured layer and a second transparent conductive layer sequentially, and the second transparent conductive layer is closer to the organic light-emitting layer than the first transparent conductive layer. In the organic light-emitting device, silver nanowires or carbon nanotubes can be introduced between the two transparent conductive layers of the first electrode layer, which facilitates the injection equilibrium of electrons-holes, thereby improving the quantum efficiency. Therefore, the organic light-emitting device has a high luminous efficiency.

The present invention relates to a display device comprising a common charge generation layer and method for making the same.

A display device includes a first inorganic insulating layer covering a display region; a first organic insulating layer on the first inorganic insulating layer; a second inorganic insulating layer on the first organic insulating layer; a second organic insulating layer on the second inorganic insulating layer; and a third inorganic insulating layer on the second organic insulating layer. The second organic insulating layer contains a compound reactive with moisture; and the first organic insulating layer is thicker than the second organic insulating layer.

A novel light-emitting device is provided. A novel light-emitting device with high emission efficiency, low power consumption, and small viewing angle dependence of chromaticity is provided. The light-emitting device includes at least one light-emitting element and one optical element. A spectrum of light emitted from the light-emitting element through the optical element in a range of greater than 0? and less than or equal to 70? with respect to a normal vector of the light-emitting element has a first local maximum value in a wavelength range of greater than or equal to 400 nm and less than 480 nm and a second local maximum value located on a longer wavelength side than the first local maximum value. The intensity ratio of the second local maximum value to the first local maximum value is less than or equal to 15%.

An electroluminescent display device in one example includes a substrate having a display area and a non-display area adjacent to the display area, a plurality of transistors disposed in the display area on the substrate, and a light emitting diode connected to the plurality of transistors and including an anode, an emission layer, and a cathode, an encapsulation layer disposed on the light emitting diode, and a plurality of structures disposed in the non-display area on the substrate. The encapsulation layer can include a first inorganic encapsulation layer, an organic encapsulation layer disposed on the first inorganic encapsulation layer, and a second inorganic encapsulation layer disposed on the organic encapsulation layer. Each of the first inorganic encapsulation layer and the second inorganic encapsulation layer is separated with respect to a first structure disposed in an outermost region of the substrate among the plurality of structures.

A display apparatus with high display quality is provided. The display apparatus includes a first light-emitting device, a second light-emitting device, a first coloring layer, a second coloring layer, and a first insulating layer. The first light-emitting device includes a first pixel electrode over the first insulating layer, a first EL layer over the first pixel electrode, and a common electrode over the first EL layer. The second light-emitting device includes a second pixel electrode over the first insulating layer, a second EL layer over the second pixel electrode, and the common electrode over the second EL layer. The first coloring layer is provided to overlap with the first light-emitting device. The second coloring layer is provided to overlap with the second light-emitting device. The first coloring layer and the second coloring layer transmit light of different wavelength ranges. The first insulating layer includes a depressed portion between the first pixel electrode and the second pixel electrode. A third EL layer is provided in the depressed portion of the first insulating layer. The first EL layer, the second EL layer, and the third EL layer contain the same material. The sum of the thickness of the first pixel electrode and the depth of the depressed portion is larger than the thickness of the third EL layer.