Provided is a display device capable of reducing a pixel pitch while securing a light-emitting area. A display device includes an oxide layer including a plurality of first electrodes and an isolating portion that electrically isolates adjacent first electrodes; a second electrode facing one surface of the oxide layer; and an organic light-emitting layer provided between the oxide layer and the second electrode.

An electro-optical device includes, in plan view, a light-emitting region B that emits blue light, a coloring layer Cf_B that transmits the blue light, a light-emitting region G1 that is disposed adjacent to the light-emitting region B in a Y direction and emits green light, a coloring layer Cf_G that is provided overlapping the light-emitting region G1 and transmits the green light, a light-emitting region R that is disposed adjacent to the light-emitting region G1 in an X direction and emits red light, a coloring layer Cf_R that is provided overlapping the light-emitting region R and transmits the red light, a light-emitting region G2 that is disposed adjacent to the light-emitting region G1 in an E direction and emits green light, and a coloring layer Cf_G that is provided overlapping the light-emitting region G2 and transmits the green light, wherein the coloring layer Cf_B includes a region that overlaps the light-emitting region B in plan view, and a region located between the light-emitting regions G1 and G2 in plan view.

A light-emitting diode (LED) structure includes a light-emitting diode including an emissive electroluminescent layer situated between two electrodes, a light extraction layer (LEL) comprising a UV-cured ink, and a UV blocking layer between the LEL and the light-emitting diode. The UV blocking layer has a thickness of 50-500 nm and at least 90% absorption to UV light of wavelengths for curing the UV-cured ink.

A light-emitting diode display including a substrate having a driving circuitry and a plurality of light emitting diode structures disposed on the substrate. Each light-emitting diode structure has a light emitting diode with a light emission zone having a planar portion, and a pigmentless light extraction layer of a UV-cured ink disposed over the light-emitting diode. The light extraction layer has a gradient in index of refraction along an axis normal to the planar portion, and the index of refraction of the light extraction layer decreases with distance from the planar portion.

An organic light-emitting diode (OLED) structure includes a stack of OLED layers; a light extraction layer (LEL) comprising a UV-cured ink; and a UV blocking layer between the LEL and the stack of OLED layers.

A display panel and a manufacturing method thereof, and an electronic device are provided. The display panel includes a substrate, an array structure layer and a light-emitting structure layer disposed on the substrate. The substrate includes a transistor, the array structure layer includes a first conductive post, a connecting electrode and a second conductive post, the light-emitting structure layer includes a first electrode, an organic light-emitting layer and a second electrode, the first electrode is located on one side of the organic light-emitting layer close to the substrate, and the second electrode is located on one side of the organic light-emitting layer away from the substrate. The first electrode includes a first sub-electrode, a second sub-electrode and a third sub-electrode.

An organic light-emitting diode (OLED) structure includes a stack of OLED layers that includes a light emission zone having a planar portion, and a light extraction layer formed of a UV-cured ink disposed over the light emission zone of the stack of OLED layers. The light extraction layer has a gradient in index of refraction along an axis normal to the planar portion.

A display device includes a substrate including an emission area and a non-emission area; a circuit element layer formed on the substrate and having circuit elements disposed thereon; an overcoat layer covering the circuit element layer; an auxiliary electrode formed on the overcoat layer in the non-emission area and composed of multiple layers with a reflective layer in between; an electron transport layer covering the auxiliary electrode; and a cathode electrode formed on the electron transport layer, wherein the auxiliary electrode includes an electrode hole passing through the multiple layers, and the reflective layer includes at least one protrusion protruding toward inside from a sidewall of the electrode hole and contacting the cathode electrode.

An organic light-emitting diode (OLED) structure including a substrate; a dielectric layer on the substrate having an array of well structures, wherein each well structure includes a recess with side walls and a floor, and the well structures are separated by plateaus; a stack of OLED layers covering at least the floor of the well; a light extraction layer (LEL) in the well over the stack of OLED layers; and a coating covering a portion of the stack of OLED layers such that a top surface of the plateaus is more hydrophobic than a surface in the well on which the light extraction layer is formed.

An organic light-emitting diode (OLED) structure includes a stack of OLED layers; a light extraction layer (LEL) comprising a UV-cured ink; and a UV blocking layer between the LEL and the stack of OLED layers.