Metal oxide nanoparticles, production method thereof, light-emitting element assembly, and optical material
AssigneeSony Corporation
InventorsMikihisa Mizuno, Yuichi Sasaki, Sung-Kil Lee, Hitoshi Katakura
Life of this patent
Estimating the term…
Abstract
An optical material is provided. The optical material includes a nanoparticle-resin composite material in which metal oxide nanoparticles are dispersed in a polymer, wherein the metal oxide nanoparticles are crystalline and have a particle diameter of 1×10−8 m or less, wherein surfaces of the metal oxide nanoparticles are coated with a surfactant, and wherein the metal oxide nanoparticles are crystallized at a temperature greater than or equal to 200° C. and less than or equal to 400° C. A light assembly including the nanoparticle-resin composite material is also provided.
Claims12
A light-emitting element assembly comprising:
- (a) a light-emitting element;
- (b) a sealing member that seals the light-emitting element;
- and
- (c) a filling material filled in a space disposed between the light-emitting element and the sealing member,
- wherein the filling material comprises a nanoparticle-resin composite material in which metal oxide nanoparticles are dispersed in a polymer, the metal oxide nanoparticles including an oxide of a metal selected from the group consisting of zirconium, niobium, indium, tin, cerium, hafnium, and tantalum,
- wherein the metal oxide nanoparticles are crystalline and have a particle diameter of 1×10−8 m or less,
- wherein surfaces of the metal oxide nanoparticles are coated with a surfactant, and
- wherein the metal oxide nanoparticles are crystallized at a temperature greater than or equal to 200° C. and less than or equal to 400° C.
A light-emitting element assembly comprising:
- (a) a light-emitting element;
- and
- (b) a sealing member that seals the light-emitting element;
- wherein the sealing member comprises a nanoparticle-resin composite material in which metal oxide nanoparticles are dispersed in a polymer, the metal oxide nanoparticles including an oxide of a metal selected from the group consisting of zirconium, niobium, indium, tin, cerium, hafnium, and tantalum,
- wherein the metal oxide nanoparticles are crystalline and have a particle diameter of 1×10−8 m or less,
- wherein surfaces of the metal oxide nanoparticles are coated with a surfactant, and
- wherein the metal oxide nanoparticles are crystallized at a temperature greater than or equal to 200° C. and less than or equal to 400° C.
An optical material comprising a nanoparticle-resin composite material in which metal oxide nanoparticles are dispersed in a polymer, the metal oxide nanoparticles including an oxide of a metal selected from the group consisting of zirconium, niobium, indium, tin, cerium, hafnium, and tantalum,
- wherein the metal oxide nanoparticles are crystalline and have a particle diameter of 1×10−8 m or less,
- wherein surfaces of the metal oxide nanoparticles are coated with a surfactant, and
- wherein the metal oxide nanoparticles are crystallized at a temperature greater than or equal to 200° C. and less than or equal to 400° C.
Dependencies are inferred from the claim text.