Provided are an organic light emitting display device and a manufacturing method thereof. In the organic light emitting display device, after an auxiliary electrode having a multilayer structure including different kinds of metals different in etching speed is formed, a void is formed within the auxiliary electrode upon formation of an anode. The resulting structure is created by a simplified process, with contact reliability between a cathode and the auxiliary electrode being enhanced, while resistance of the cathode is reduced.

According to one embodiment, a display device includes a lower electrode, a rib covering a part of the lower electrode and including an aperture that overlaps with the lower electrode, a partition including a lower portion on the rib and an upper portion protruding from a side surface of the lower portion, an upper electrode opposed to the lower electrode, and an organic layer located between the lower and upper electrodes. The upper electrode includes a first layer covering the organic layer and a second layer covering the first layer. The second layer is in contact with the side surface of the lower portion.

A light-emitting device includes a second electrode that includes: a first layer including a first metal having a work function with an absolute value of 5.2 eV or less and a second metal having an electrical conductivity of 1×10.sup.7 S/m or more; and a second layer consisting of the second metal having the electrical conductivity of 1×10.sup.7 S/m or more. The first metal and the second metal are different from each other, a thickness of the first layer is from 1 Å to 30 Å, and a thickness of the second layer is from 10 Å to 110 Å.

A light emitting device in which pixels are arranged is provided. Each of the pixels includes an organic layer including a light emitting layer, a reflective layer arranged between the main surface and the organic layer, a first insulator arranged between the reflective layer and the organic layer, a transmission electrode arranged between the first insulator and the organic layer, and a second insulator arranged so as to cover a peripheral edge portion of the transmission electrode while including an opening portion that exposes a part of the transmission electrode. A groove extending through the first insulator is provided between the peripheral edge portion of the transmission electrode and the reflective layer, the transmission electrode is electrically connected to the reflective layer in the groove, and the second insulator includes a recess portion in a portion covering the groove.

A device having a plurality of layers comprises a nucleation-inhibiting coating (NIC) disposed on a first layer surface in a first portion of a lateral aspect thereof; and a deposited layer comprised of a deposited material, disposed on a second layer surface, wherein an initial sticking probability against deposition of the deposited layer onto a surface of the NIC in the first portion is substantially less than the initial sticking probability against deposition of the deposited layer onto the second layer surface, such that the NIC is substantially devoid of a closed coating of the deposited material and wherein the NIC comprises a compound containing a rare earth element. The deposited layer can comprise a closed coating on the second layer surface in a second portion of the lateral aspect, and/or a discontinuous layer of at least one particle structure on a surface of the NIC.

A photoelectric conversion device in which an increase in driving voltage is inhibited is provided. The photoelectric conversion device includes a first electrode, a second electrode, and an organic compound layer; the organic compound layer is positioned between the first electrode and the second electrode; the organic compound layer includes a first layer; a structure body including projections is included between the first layer and the second electrode; and the structure body contains a first organic compound.

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.

According to one embodiment, a manufacturing method of a display device includes preparing a processing substrate by forming a lower electrode, forming a rib, and forming a partition including a lower portion and an upper portion, forming an organic layer on the lower electrode, forming an upper electrode on the organic layer, forming a first transparent layer on the upper electrode, and forming a second transparent layer on the first transparent layer. The first transparent layer and the second transparent layer are formed of organic materials different from each other. A refractive index of the second transparent layer is less than a refractive index of the first transparent layer.

According to one embodiment, a manufacturing method of a display device includes preparing a processing substrate by forming a lower electrode, forming a rib, and forming a partition including a lower portion and an upper portion, forming an organic layer on the lower electrode, forming an upper electrode on the organic layer, forming a first transparent layer on the upper electrode, and forming a second transparent layer on the first transparent layer. The first transparent layer and the second transparent layer are formed of organic materials different from each other. A refractive index of the second transparent layer is less than a refractive index of the first transparent layer.

The present disclosure relates to a light emitting display device having enhanced display quality by reducing or preventing external light from being reflected. A light emitting display device according to the present disclosure comprises: a substrate including a plurality of regions disposed in a horizontal direction; a plurality of anode electrodes disposed at the plurality of regions, respectively; an emission layer on each anode electrode; and a cathode electrode on the emission layer. The plurality of anode electrodes have different thicknesses each other. The cathode electrode in any one of the plurality of regions has different thickness from other regions.