Patent · US Active

Multiphase fluorescent ceramic and preparation method thereof

US12146085B2 · kind B2 · utility

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20Claims
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Key dates

Filing dateDec 23, 2019
Grant dateNov 19, 2024
Priority date
Expiry dateNov 22, 2041

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC04B2235/9661
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A multiphase fluorescent ceramic and a preparation method therefor. Spinel is provided in a multiphase fluorescent ceramic including an alumina matrix and fluorescent particles, the spinel is distributed between alumina grain boundaries, and the exciting light irradiated into the multiphase fluorescent ceramic can be scattered, thereby facilitating further improvement in the luminous efficiency of the multiphase fluorescent ceramic.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.