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US 12,613,366 B2Granted
Article including a stack of alternating layers
AssigneeViavi Solutions Inc.
InventorsAlberto Argoitia, Johannes P. Seydel, Kangning Liang
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Abstract
An article including a stack of layers of low refractive index layers and high refractive index layers, wherein the stack includes at least one low refractive index layer and at least two high refractive index layers; wherein at least one layer of the stack includes a composition comprising a carrier and at least one nanoparticle chosen from organic nanoparticles and inorganic nanoparticles is disclosed. Additionally, there is disclosed a method of making the article.
Claims20
An article comprising:
- a stack of alternating layers of low refractive index layers and high refractive index layers, wherein the stack includes at least one low refractive index layer and at least two high refractive index layers;
- and
- a layer of absorbing nanoparticles that are capable of acting as uniform or selective absorbers in the visible spectrum;
- wherein at least one layer of the stack includes a composition comprising a carrier and at least one nanoparticle chosen from organic nanoparticles and inorganic nanoparticles,
- wherein the article is a flake, a pigment or a foil,
- wherein the carrier is an organic matrix,
- wherein the absorbing nanoparticles are nanoparticle materials chosen from silicon, germanium, cermets, metals mixed in a dielectric matrix, and alloys, and further wherein the absorbing nanoparticles have a particle size ranging from greater than 100 nm to about 500 nm,
- wherein the layer of absorbing nanoparticles is an external layer of the article.
5 more elements
An article comprising:
- a stack of alternating layers of low refractive index layers and high refractive index layers, wherein the stack includes at least one low refractive index layer and at least two high refractive index layers;
- and
- a layer of absorbing nanoparticles that are capable of acting as uniform or selective absorbers in the visible spectrum;
- wherein at least one layer of the stack includes a composition comprising a carrier and at least one nanoparticle chosen from organic nanoparticles and inorganic nanoparticles,
- wherein the article is a flake, a pigment or a foil,
- wherein the carrier is an organic matrix,
- wherein the layer of absorbing nanoparticles is two layers of absorbing nanoparticles separated by the stack, and
- wherein the absorbing nanoparticles are nanoparticle materials chosen from silicon, germanium, cermets, metals mixed in a dielectric matrix, and alloys, and further wherein the absorbing nanoparticles have a particle size ranging from greater than 100 nm to about 500 nm.
5 more elements
A method of making an article, comprising:
- depositing, using a liquid coating process, onto a substrate, a stack of layers of low refractive index layers and high refractive index layers, wherein the stack includes at least one low refractive index layer and at least two high refractive index layers;
- and
- depositing a layer of absorbing nanoparticles that are capable of acting as uniform or selective absorbers in the visible spectrum;
- wherein at least one layer of the stack includes a composition comprising a carrier and at least one nanoparticle chosen from organic nanoparticles and inorganic nanoparticles,
- wherein the article is a flake, a pigment or a foil,
- wherein the carrier is an organic matrix,
- wherein the absorbing nanoparticles are nanoparticle materials chosen from silicon, germanium, cermets, metals mixed in a dielectric matrix, and alloys, and further wherein the absorbing nanoparticles have a particle size ranging from greater than 100 nm to about 500 nm, and
- wherein the layer of absorbing nanoparticles is an external layer of the article.
5 more elements
Dependencies are inferred from the claim text.