Patent ID: 11888098
Assignee: SUMITOMO CHEMICAL COMPANY LIMITED
Field: Semiconductors (Electrical engineering)
Classification: CPC H  C  G  Y | IPC C  G  H

Claim 1:
2. A composition having a light-emitting property comprising:
a perovskite compound including
a metal ion,
a monovalent cation positioned at each vertex of a hexahedron having the metal ion at the center in a perovskite type crystal structure,
at least one anion selected from the group consisting of a halide ion and a thiocyanate ion, the anion being positioned at each vertex of an octahedron having the metal ion at the center in the perovskite type crystal structure; and
inorganic fine particles having a specific surface area of 0.01 m2/g to 150 m2/g,
wherein the inorganic fine particles comprise at least one selected from the group consisting of aluminum oxide, zinc oxide, and niobium oxide, and
wherein an average particle diameter of aluminum oxide is in a range of 3.4 μm to 100 μm.