An ink composition including a mixed solvent including a first solvent and a second solvent, and a light emitting material, wherein the first solvent and the second solvent each have a vapor pressure of about 1×10.sup.−4 or greater and a boiling point of about 270° C. or less. The ink composition according to an embodiment may be applied to forming an emission layer of a light emitting diode to provide a light emitting diode having increased efficiency.

The present invention concerns a solid nanocomposite material consisting of a polymer-matrix in which are dispersed alkali metal, hydronium or ammonium salts of polyanionic components, wherein the polymer-matrix comprises at least a linear or branched polymer or copolymer containing one or several poly(ethylene oxide) (PEO) chains, said polymer or copolymer being optionally crosslinked and each PEO chain having at least 4 ethylene oxide monomer units. The present invention relates also to a photonic, e.g. optoelectronic, device comprising such a nanocomposite material. Such material and device can be used as phosphorescence emitter, for crop growth lighting or for generating singlet oxygen.

The present invention concerns a solid nanocomposite material consisting of a polymer-matrix in which are dispersed alkali metal, hydronium or ammonium salts of polyanionic components, wherein the polymer-matrix comprises at least a linear or branched polymer or copolymer containing one or several poly(ethylene oxide) (PEO) chains, said polymer or copolymer being optionally crosslinked and each PEO chain having at least 4 ethylene oxide monomer units. The present invention relates also to a photonic, e.g. optoelectronic, device comprising such a nanocomposite material. Such material and device can be used as phosphorescence emitter, for crop growth lighting or for generating singlet oxygen.

A down-converted light emitting combination that generates a visible light when an ultraviolet light is incident is provided. The down-converted light emitting combination includes a first structure made of a first material that generates a visible light of a first color when an ultraviolet light of a first wavelength range is incident and a second structure made of a second material that generates a visible light of a second color different from the first color when the ultraviolet light of a second wavelength range different from the first wavelength range is incident, and the first material and the second material have different emission colors and distributions of intensities of the visible lights generated depending on a wavelength of the incident ultraviolet light.

A down-converted light emitting combination that generates a visible light when an ultraviolet light is incident is provided. The down-converted light emitting combination includes a first structure made of a first material that generates a visible light of a first color when an ultraviolet light of a first wavelength range is incident and a second structure made of a second material that generates a visible light of a second color different from the first color when the ultraviolet light of a second wavelength range different from the first wavelength range is incident, and the first material and the second material have different emission colors and distributions of intensities of the visible lights generated depending on a wavelength of the incident ultraviolet light.

This invention refers to a paint composition with prolonged release biocides to repel, reduce, and control insects, characterized by: a) A cbp vehicle, preferably a water-based acrylic vinyl paint; b) At least one pyrethroid biocide or its mixture, selected from: b1) microencapsulated deltamethrin as an active ingredient; b2) microencapsulated cypermethrin as an active ingredient; Where said pyrethroid biocides are activated or catalyzed through (PBO) piperonyl butoxide, and Wherein said microcapsules of the active ingredients are obtained through a microencapsulation process by interfacial polymerization, and/or a microencapsulation by ionic gelation process, for a prolonged release with regards to the biocidal active ingredients' interval.

This invention refers to a paint composition with prolonged release biocides to repel, reduce, and control insects, characterized by: a) A cbp vehicle, preferably a water-based acrylic vinyl paint; b) At least one pyrethroid biocide or its mixture, selected from: b1) microencapsulated deltamethrin as an active ingredient; b2) microencapsulated cypermethrin as an active ingredient; Where said pyrethroid biocides are activated or catalyzed through (PBO) piperonyl butoxide, and Wherein said microcapsules of the active ingredients are obtained through a microencapsulation process by interfacial polymerization, and/or a microencapsulation by ionic gelation process, for a prolonged release with regards to the biocidal active ingredients' interval.

The present invention provides nanostructure compositions and methods of producing nanostructure compositions. The nanostructure compositions comprise a population of nanostructures, an aminosilicone polymer, an organic resin, and a cation. The present invention also provides nanostructure films comprising a nanostructure layer and methods of making nanostructure films.

The present invention provides nanostructure compositions and methods of producing nanostructure compositions. The nanostructure compositions comprise a population of nanostructures, an aminosilicone polymer, an organic resin, and a cation. The present invention also provides nanostructure films comprising a nanostructure layer and methods of making nanostructure films.

The present technology provides a coating system including a luminophoric material. The luminophoric material is a pyridine-containing ligand chosen from a substituted or unsubstituted bidentate pyridine compound, a substituted or unsubstituted tridentate pyridine compound, or a combination of two or more thereof. Alternatively, the luminophoric material may be a fluorescent dye. The coating system may include a topcoat material, a primer material, or a combination thereof.