A process for producing a structured surface, in which a composition comprising nanowires is applied to a surface and structured, especially by partial displacement of the composition. When the solvent is removed, the nanowires aggregate to form structures. These may be transparent and also conductive.

Embodiments of the present disclosure provide a method of manufacturing a display substrate. The method includes: forming a first electrode layer on a substrate, the first electrode layer including a plurality of first electrodes arranged in an array; performing a surface treatment on the plurality of first electrodes, such that an affinity of a surface of each of the plurality of first electrodes gradually increases from a central portion of the surface to a peripheral portion of the surface around the central portion, or the affinity of the central portion of the surface is less than the affinity of the peripheral portion of the surface; and forming a light emitting functional layer on the surfaces of the plurality of first electrodes subjected to the surface treatment. Embodiments of the present disclosure further provide a display substrate, a display panel, and a mask.

The invention pertains to the field of nanotechnology. The disclosure provides nanostructure compositions comprising (a) at least one organic solvent; (b) at least one population of nanostructures comprising a core and at least one shell, wherein the nanostructures comprise inorganic ligands bound to the surface of the nanostructures; and (c) at least one poly(alkylene oxide) additive. The nanostructure compositions comprising at least one poly(alkylene oxide) additive show improved solubility in organic solvents. And, the nanostructure compositions show increased suitability for use in inkjet printing. The disclosure also provides methods of producing emissive layers using the nanostructure compositions.

The present disclosure relates to a coating-type organic electroluminescent device and a display device and a lighting device including the same. The present disclosure relates to an organic electroluminescent device in which an inter-electrode layer and at least one layer of a first electrode and a second electrode can be consistently manufactured at atmospheric pressure. The organic electroluminescent device includes a first electrode, an electron injection layer facing the first electrode, and an emitting material layer located between the first electrode and the electron injection layer, wherein the emitting material layer and the electron injection layer are formable by coating.

Method for high throughput, highly reproducible, direct write plasma jet deposition of organic electronic materials through nozzles containing non-concentric tubes with inner tube having higher dielectric constant and/or higher wall thickness than the outer tube, so that the inner tube containing the aerosol of organic electronic materials is shielded from the outer tube containing plasma and the organic electronics is focused at the outlet of the nozzle through the after-glow region of the atmospheric pressure plasma. Ensuring reproducibility of the method for printing organic electronic materials by removing the contaminants and residues in inner tube using reactive gas and generating a plasma discharge at a potential significantly higher than the operating potential for printing so that the plasma is generated in both the inner and outer tube for dielectric barrier discharge plasma jet based cleaning of the nozzle.

Provided is a method of producing a patterned flexible electrode including: a nanowire formation step of applying a first dispersion containing a metal nanowire to a first sheet which is unwound from a wound state to form a nanowire network; a fiber formation step of electrospinning a second dispersion containing metal nanoparticles on the nanowire network to form a fiber-nanowire network in which a metallic fiber of the metal nanoparticles being agglomerated is incorporated into the nanowire network; a sintering step of photonically sintering the fiber-nanowire network to form a conductive network; and a patterning step of patterning the fiber-nanowire network before the sintering step or patterning the conductive network after the sintering step.

A method of flash-curing a respective layer in an electronic device stack is provided. The method includes providing a stack of layers including a substrate and one or more electronically-active layers disposed on a surface of the substrate. The method further includes applying, over the stack of layers, a thermally-curable layer of material that includes a polymer or polymerizable material. The method further includes performing a non-equilibrium thermal process that includes raising a temperature of the thermally-curable layer of material, including the polymer or polymerizable material, above a first temperature for a length of time sufficient to cure the thermally-curable layer of material while maintaining the stack of layers below a second temperature that is less than the first temperature. The stack of layers is robust to temperatures below the second temperature.

A method of depositing a cathode on an organic light emitting diode (OLED) stack is provided. The method includes providing a substrate having at least a partial organic light emitting diode (OLED) stack disposed on a surface of the substrate. The method further includes depositing, on top of the partial OLED stack, a solution comprising a metal compound. The method further includes forming a conductive solid layer from the metal compound in the solution to form a cathode for the partial OLED stack.

A touch display panel, a manufacturing method thereof, a driving method thereof, and a touch display device are provided. The touch display panel includes a cathode. The cathode includes a plurality of inductive electrodes and a plurality of drive electrodes intersecting with the plurality of inductive electrodes. Each of the inductive electrodes includes a plurality of inductive sub-electrodes connected in sequence, and each of the drive electrodes includes a plurality of drive sub-electrodes connected in sequence.

The present disclosure relates to an electrophotographic active ink composition comprising a thermoplastic polymer comprising a copolymer of an olefin and acrylic acid and/or metacrylic acid; active photovoltaic material comprising electron donor material and electron acceptor material; a charge adjuvant, and a liquid carrier.