Abstract: Article comprising composite particles in an organic polymer matrix comprising a cured thiol-alkene resin having a Tg>20° C., the composite particles comprising a hydrophobic nonmetallic inorganic matrix, ligands, and quantum dots, wherein the hydrophobic nonmetallic inorganic matrix is present in the composite particles in an amount of up to 40 volume percent. Exemplary articles described herein can be made for use for display applications such as films, LED caps, LED coatings, LED lenses, and light guides. Exemplary articles described herein can be made for use for non-display applications such as security applications where quantum dot phosphors are used to provide fluorescence at selected or tailored wavelengths. In such uses, the organic polymer matrix could be a label or a coating on a label, or other articles such as a card or tag.

Abstract: A barrier film. The barrier film may include a substrate, an inorganic layer disposed on a side of the substrate, and an organic layer-by-layer structure disposed on a side of the inorganic layer, where in the organic layer-by-layer structure comprises a layer of a cationic polyelectrolyte and a layer of an anionic polyelectrolyte.

Abstract: A quantum dot composition is described comprising light-emitting nanoparticles comprising a polyamine silicone ligand dispersed in a polymerizable resin composition comprising at least one polythiol, at least one polyene, wherein the polyene lacks functional groups that are amine-reactive, at least one amine-reactive ethylenically unsaturated component in an amount ranging from 2 to 15 wt.%, based on the total wt. % solids of the composition, and a hindered phenolic antioxidant. Also described are quantum dot (e.g. film) articles.

Abstract: A quantum dot article is described comprising a first barrier layer, a second barrier layer, and a quantum dot layer between the first and second barrier layer. The quantum dot layer comprises light-emitting nanoparticles dispersed in a cured matrix. The quantum dot layer further comprises a hydroxyl-iunctional polyamine silicone ligand that is the reaction product of a polyamine silicone ligand and a monofunctional epoxy compound. Also described is a hydroxyl-functional polyamine silicone that is the reaction product of a polyamine silicone and a monofunctional epoxy compound, as well as quantum dot compositions comprising light-emitting nanoparticles and the described hydroxyl-functional polyamine silicone.

Abstract: A quantum dot article comprises (a) a first barrier layer, (b) a second barrier layer, and (c) a quantum dot layer between the first barrier layer and the second barrier layer, the quantum dot layer comprises light-emitting nanoparticles dispersed in a cured matrix; wherein the quantum dot layer further comprises a hydroxyl-functional unsaturated polyamine silicone ligand that is the reaction product of a polyamine silicone ligand and an unsaturated monofunctional epoxy compound.

Abstract: The present disclosure provides a liquid quantum dots composite that includes: a fluorescent semiconductor core/shell nanoparticle (preferably, nanocrystal or quantum dots); a first polyamine ligand and a second polythiol ligand attached to the core/shell nanoparticle outer surface. At least one of the polythiol and polyamine ligands are silicone ligands.

Abstract: Described is a quantum dot film article comprising a quantum dot of a cured thiol-epoxy matrix. The matrix formulations resist ingress from water and/or oxygen, while also providing acceptable color stability upon aging.

Abstract: Quantum dot compositions comprise quantum dots dispersed in a curable resin composition comprising hindered phenolic antioxidant, wherein the antioxidant comprises about 0.2 wt % to about 5 wt %, based on the total weight of the quantum dot composition.

Abstract: The present disclosure provides a liquid quantum dots composite that includes: a fluorescent semiconductor core/shell nanoparticle (preferably, nanocrystal or quantum dots); a first polyamine ligand and a second polythiol ligand attached to the core/shell nanoparticle outer surface. At least one of the polythiol and polyamine ligands are silicone ligands.

Abstract: Aminosilicones of the following formula are described, which may be used as stabilizing ligands for fluorescent nanoparticles.

Abstract: A barrier composite comprises (a) a gas-barrier film, (b) a polymeric transfer layer disposed on the gas-barrier film, and (c) a release liner disposed on the polymeric transfer layer opposite the gas-barrier film.

Abstract: Described is a quantum dot film article comprising a quantum dot of a cured thiol-alkene-epoxy matrix. The matrix formulations resist ingress from water and/or oxygen, while also providing acceptable color stability upon aging.

Abstract: A barrier film. The barrier film may include a substrate, an inorganic layer disposed on a side of the substrate, and an organic layer-by-layer structure disposed on a side of the inorganic layer, where in the organic layer-by-layer structure comprises a layer of a cationic polyelectrolyte and a layer of an anionic polyelectrolyte.

Abstract: The present disclosure relates to forming a bond with a high peel resistance between a bonding layer and an adjacent barrier layer. Such articles are particularly useful in the preparation of a device, in particular a luminescent device, and a method is described for assembly of the luminescent device. The luminescent device includes an encapsulation system using flexible transparent barrier film and an ultraviolet (UV) radiation curable (meth)acrylate matrix. The moisture sensitive luminescent material can be, for example, a quantum dot material disposed in a film, or a film construction that includes an OLED structure.

Abstract: Article comprising composite particles in an organic polymer matrix comprising a cured thiol-alkene resin having a Tg>20° C., the composite particles comprising a hydrophobic nonmetallic inorganic matrix, ligands, and quantum dots, wherein the hydrophobic nonmetallic inorganic matrix is present in the composite particles in an amount of up to 40 volume percent. Exemplary articles described herein can be made for use for display applications such as films, LED caps, LED coatings, LED lenses, and light guides. Exemplary articles described herein can be made for use for non-display applications such as security applications where quantum dot phosphors are used to provide fluorescence at selected or tailored wavelengths. In such uses, the organic polymer matrix could be a label or a coating on a label, or other articles such as a card or tag.

Abstract: A quantum dot film article including a first barrier layer, a second barrier layer; and a quantum dot layer between the first barrier layer and the second barrier layer. The quantum dot layer includes quantum dots dispersed in a matrix including a cured adhesive composition. The adhesive composition includes an epoxide and a curing agent including: (a) a compound of Formula I: wherein A is a monocyclic or a polycyclic alkylene group, or a monocyclic or a polycyclic heteroalkylene group, and m and n are integers each independently selected from 0 to 5; and (b) a polyether amine compound including at least one of primary and secondary amino groups attached to a polyether backbone. The adhesive composition further includes a radiation curable methacrylate compound.

Abstract: A quantum dot film article quantum dot layer comprising quantum dots dispersed in a matrix comprising a cured thiol-alkene resin is described.

Abstract: Described is a quantum dot film article comprising a quantum dot of a cured thiol-epoxy matrix. The matrix formulations resist ingress from water and/or oxygen, while also providing acceptable color stability upon aging.

Abstract: Described is a quantum dot film article comprising a quantum dot of a cured thiol-alkene-epoxy matrix. The matrix formulations resist ingress from water and/or oxygen, while also providing acceptable color stability upon aging.

Abstract: A quantum dot film article including a first barrier layer, a second barrier layer; and a quantum dot layer between the first barrier layer and the second barrier layer. The quantum dot layer includes quantum dots dispersed in a matrix including a cured adhesive composition. The adhesive composition includes an epoxide and a curing agent including: (a) a compound of Formula I: wherein A is a monocyclic or a polycyclic alkylene group, or a monocylic or a polycyclic heteroalkylene group, and m and n are integers each independently selected from 0 to 5; and (b) a polyether amine compound including at least one of primary and secondary amino groups attached to a polyether backbone. The adhesive composition further includes a radiation curable methacrylate compound.