摘要:
A method of making a device comprises forming a layer comprising quantum dots over a substrate including a first electrode, fixing the layer comprising quantum dots formed over the substrate, and exposing at least a portion of, and preferably all, exposed surfaces of the fixed layer comprising quantum dots to small molecules. Also disclosed is a method of making a device, the method comprising forming a layer comprising quantum dots over a substrate including a first electrode, exposing the layer comprising quantum dots to small molecules and light flux. A method of making a film including a layer comprising quantum dots, and a method of preparing a device component including a layer comprising quantum dots are also disclosed. Devices, device components, and films are also disclosed.
摘要:
A particle comprising nanoparticles encapsulated within a host material is disclosed, wherein the particle includes a coating disposed over at least a portion of the outer surface of the particle. In certain embodiments, nanoparticles have light-emissive properties. In certain embodiments, the coating covers all or substantially all of the outer surface of the particle. The coating can comprise a resin having low oxygen permeability. In certain embodiments, the coating comprises a polyvinyl alcohol compound. In certain embodiments, the coating comprises a polyvinylidene dichloride compound. Other embodiments relate to a powder comprising a particle of the invention, a composition including a particle of the invention, a formulation including a particle of the invention, a coating comprising a particle of the invention, a method for making a particle of the invention, and products and applications including a particle of the invention. In preferred embodiments, a nanoparticle comprises a semiconductor nanocrystal.
摘要:
One aspect of the present invention relates to a composition comprising a host material including quantum dots and one or more of the following additives: a UV absorbing dye; a humectant; an occlusant; a terpene; a surfactant; an antioxidant; a pigment; a fragrance; a fatty acid ester emulsifier; a fatty acid ester; a high molecular weight alcohol; an oxygen scavenger; a fatty alcohol; a silicone fluid; and a hydrocarbon oil. Other aspects of the present invention relate to a particle comprising a composition of the invention, a powder comprising a particle of the invention, a formulation including a composition of the invention, a coating including a composition of the invention, a taggant including a composition of the invention, a device including a composition of the invention, a method for making a composition of the invention, and other products and applications utilizing a composition of the invention. In a preferred embodiment, a quantum dot comprises a light-emissive semiconductor nanocrystal.
摘要:
The present invention relates to a modified pigment comprising a pigment having attached at least one salt of a geminal bisphosphonic acid group or partial esters thereof, as well as to dispersions and inkjet ink compositions comprising such modified pigments. Preferably the salt comprises a quaternary ammonium counterion.
摘要:
The present invention relates to a modified colorant comprising a colorant having at least one polymer attached or adsorbed thereto. The polymer comprises at least one functional group, and various embodiments of the functional group are disclosed. For each of these embodiments, preferably the functional group has a defined calcium index value. Also disclosed are various uses for these modified colorants, including inkjet ink compositions. Thus, the present invention further relates to an inkjet ink composition comprising a) a liquid vehicle, b) at least one colorant, and c) at least one polymer comprising at least one functional group as described herein.
摘要:
The present invention relates to a formulation comprising a medium, one or more stabilizers, and one or more particles comprising nanoparticles included within a host material. In certain embodiments, a stabilizer comprises a HALS stabilizer. In certain embodiments, a stabilizer comprises a UVA stabilizer. In certain embodiments, the formulation includes a HALS stabilizer and a UVA stabilizer. In certain embodiments, nanoparticles have light-emissive properties. Other embodiments relate to a powder obtainable from a formulation of the invention, a composition including a powder of the invention, a coating comprising a formulation of the invention, and products and applications including a particle of the invention. In preferred embodiments, a nanoparticle comprises a semiconductor nanocrystal. In certain embodiments, a host material comprises a polymer. In certain embodiments, a host material comprises an inorganic material. A raw batch formulation and particle obtainable therefrom is also disclosed.
摘要:
The present invention relates to a formulation comprising a medium, one or more stabilizers, and one or more particles comprising nanoparticles included within a host material. In certain embodiments, a stabilizer comprises a HALS stabilizer. In certain embodiments, a stabilizer comprises a UVA stabilizer. In certain embodiments, the formulation includes a HALS stabilizer and a UVA stabilizer. In certain embodiments, nanoparticles have light-emissive properties. Other embodiments relate to a powder obtainable from a formulation of the invention, a composition including a powder of the invention, a coating comprising a formulation of the invention, and products and applications including a particle of the invention. In preferred embodiments, a nanoparticle comprises a semiconductor nanocrystal. In certain embodiments, a host material comprises a polymer. In certain embodiments, a host material comprises an inorganic material. A raw batch formulation and particle obtainable therefrom is also disclosed.
摘要:
A method of making a device comprises forming a layer comprising quantum dots over a substrate including a first electrode, fixing the layer comprising quantum dots formed over the substrate, and exposing at least a portion of, and preferably all, exposed surfaces of the fixed layer comprising quantum dots to small molecules. Also disclosed is a method of making a device, the method comprising forming a layer comprising quantum dots over a substrate including a first electrode, exposing the layer comprising quantum dots to small molecules and light flux. A method of making a film including a layer comprising quantum dots, and a method of preparing a device component including a layer comprising quantum dots are also disclosed. Devices, device components, and films are also disclosed.
摘要:
The present invention relates to a method of preparing a polymer modified pigment comprising the steps of, combining, in any order, a modified pigment comprising a pigment having attached at least one reactive group, a polymer comprising at least one functional group, and a non-reactive diluent, to form a reaction mixture, reacting the polymer and the modified pigment in the reaction mixture to form a mixture comprising the polymer modified pigment and the non-reactive diluent; and removing the non-reactive diluent from the mixture to form the polymer modified pigment. Also disclosed are the resulting polymer modified pigments and inkjet ink compositions comprising them.
摘要:
Systems and methods are described that relate to quantum dot (QD) structures for lighting applications. In particular, quantum dots and quantum dot containing inks (comprising mixtures of different wavelength quantum dots) are synthesized for desired optical properties and integrated with an LED source to create a trichromatic white light source. The LED source may be integrated with the quantum dots in a variety of ways, including through the use of a small capillary filled with quantum dot containing ink or a quantum dot containing film placed appropriately within the optical system. These systems may result in improved displays characterized by higher color gamuts, lower power consumption, and reduced cost.