A display device including a plurality of pixels disposed on a substrate, each pixel including a plurality of sub-pixels; a first electrode disposed in each sub-pixel and connected to transistors for driving the plurality of sub-pixels to emit light; and a bank including a plurality of bank holes, each bank hole exposing a portion of the first electrode and defining emission light-areas of the sub-pixels. Further, each sub-pixel includes a sub-pixel pattern disposed on a bottom surface of the bank hole and contacting exposed surfaces of the first electrode, and extending continuously on sidewalls of the bank hole and along top outside edge surfaces of the bank. Also, a thickness of the sub-pixel pattern decreases step-by-step as the sub-pixel pattern extends along the top outside edge surfaces of the bank in a direction toward an adjacent sub-pixel.

A method is provided for modifying a surface of a solid conducting material, which includes applying a potential difference between this surface and a surface of another conducting solid material positioned facing it, and wherein, simultaneously, the surface (S) is put into contact with a liquid medium comprising in solution triarylamines (I): ##STR00001##
while subjecting these triarylamines (I) to electromagnetic radiation, at least partly converting them at into triarylammonium radicals. Also provided is a conducting device which includes two conducting metal materials, the surfaces of which, (S) and (S′) respectively, are electrically interconnected through an organic material comprising conducting fibrillar organic supramolecular species comprising an association of triarylamines of formula (I).

Disclosed is a display device comprising: a substrate comprising a display area in which pixel areas are disposed and a non-display area adjacent to the display area; light emitting portions disposed in the display area and comprising at least one of the pixel areas; the light emitting portions emitting light through the pixel areas; connecting portions connecting the light emitting portions; a bank defining the light emitting portions and the connecting portions; and a light emitting layer formed on the light emitting portions and the connecting portions.

The present invention relates to an organic light emitting device. An organic light emitting device according to the present application includes: a substrate; a first electrode provided on the substrate; an auxiliary electrode provided on at least a partial region of the first electrode; an insulating layer provided on the auxiliary electrode, and having an overhang structure in which the insulating layer has a greater width than that of the auxiliary electrode; and a second electrode provided on the first electrode and the insulating layer, in which the second electrode provided on the first electrode and the second electrode provided on the insulating layer have an electrode structure with an electrically short-circuited form.

According to one embodiment, a method of manufacturing a transparent conductor is provided. In the method, a silver nanowire layer including a plurality of silver nanowires and having openings is formed on a graphene film supported by a copper support. Then, a transparent resin layer insoluble in a copper-etching solution is formed on the silver nanowire layer such that the transparent resin layer contacts the graphene film through the openings. The copper support is then brought into contact with the non-acidic copper-etching solution to remove the copper support, thereby exposing the graphene film.

The present invention relates to a flexible substrate and a method of manufacturing same and, more particularly, to a flexible substrate and a method of manufacturing same, the flexible substrate having high flexibility, high transparency, and high conductivity, so as to be able to improve the quality of a flexible display device to which it is applied. To this end, the present invention provides a flexible substrate and a method of manufacturing same, the flexible substrate characterized by comprising: a flexible base material; an ITO thin film formed on the flexible base material; and a plurality of nano particles discontinuously distributed within the ITO thin film.

Provided are an organic-inorganic-hybrid perovskite nanocrystal particle light-emitter having a two-dimensional structure, a method for producing the same, and a light emitting device using the same. The organic-inorganic-hybrid perovskite nanocrystal particle light-emitter having a two-dimensional structure comprises an organic-inorganic-hybrid perovskite nanocrystal structure having a two-dimensional structure which can be dispersed in an organic solvent. Accordingly, the nanocrystal particle light-emitter comprises an organic-inorganic-hybrid perovskite nanocrystal having a crystal structure combining FCC and BCC; forms a lamellar structure where organic planes and inorganic planes are accumulated in an alternating manner; and can exhibit high color purity by confining excitons in the inorganic planes. In addition, since the exciton diffusion distance decreases and exciton binding energy increases, it is possible to prevent exciton annihilation caused by thermal ionization and delocalization of charge carriers, such that the nanocrystal particle light-emitter can have high luminescence efficiency at room temperature.

A laminate which allows to obtain an organic thin-film solar cell having excellent output characteristics and transparency is provided. The laminate as above has a titanium oxide layer that is disposed on the member serving as a light-transmissive electrode layer and serves as an electron transport layer. The titanium oxide layer has a thickness of not less than 1.0 nm and not more than 200.0 nm. The titanium oxide layer contains indium oxide and metallic indium, InOx/Ti is not less than 0.50 and not more than 20.00 in atomic ratio, and InM/Ti is less than 0.100 in atomic ratio, where an elemental titanium content is represented by Ti, an indium oxide content is represented by InOx, and a metallic indium content is represented by InM.

A laminate which allows to obtain an organic thin-film solar cell having excellent output characteristics and transparency is provided. The laminate as above has a titanium oxide layer that is disposed on the member serving as a light-transmissive electrode layer and serves as an electron transport layer. The titanium oxide layer has a thickness of not less than 1.0 nm and not more than 200.0 nm. The titanium oxide layer contains indium oxide and metallic indium, InOx/Ti is not less than 0.50 and not more than 20.00 in atomic ratio, and InM/Ti is less than 0.100 in atomic ratio, where an elemental titanium content is represented by Ti, an indium oxide content is represented by InOx, and a metallic indium content is represented by InM.

The present invention relates to a method for manufacturing a light extraction substrate for an organic light-emitting element, a light extraction substrate for an organic light-emitting element and an organic light-emitting element comprising the same and, more specifically, to: a method for manufacturing a light extraction substrate for an organic light-emitting element, the method being capable of improving light extraction efficiency of the organic light-emitting element and also increasing luminance uniformity; a light extraction substrate for an organic light-emitting element; and an organic light-emitting element comprising the same. To this end, the present invention provides a method for manufacturing a light extraction substrate for an organic light-emitting element, comprising: a mixture preparation step of preparing a mixture by mixing a plurality of scattering particles with an inorganic binder; a mixture coating step of coating the mixture on a base substrate; a buffer layer formation step of forming a buffer layer by coating an inorganic material on the coated mixture; a calcination step of calcinating the mixture and the buffer layer; a first electrode formation step of forming a first electrode, which is made of a metal, in a crack formed in the mixture and the buffer layer in the calcination step; and a second electrode formation step of forming, on the first electrode, a second electrode electrically connected to the first electrode.