Complex-phase fluorescent ceramic, preparation method of complex-phase fluorescent ceramic and light-emitting device: Fid-Bau Portal

Complex-phase fluorescent ceramic, preparation method of complex-phase fluorescent ceramic and light-emitting device

LI QIAN / JIAN SHUAI / WANG YANGANG

The invention discloses a multiphase fluorescent ceramic, a preparation method of the multiphase fluorescent ceramic and a light-emitting device, and relates to the technical field of optical components. Comprising a luminescent phase, a matrix phase and pores, the light-emitting phase comprises a plurality of light-emitting crystal grains which are bonded together; the matrix phase comprises a plurality of matrix crystal grains which are bonded together, and the matrix phase and the luminescent phase are distributed in the complex-phase fluorescent ceramic in a mutually interspersed manner; at least part of the pores are distributed within the luminescent phase, at least part of the pores are distributed within the matrix phase, and at least part of the pores are distributed between the luminescent phase and the Al2O3 matrix phase. The multiphase fluorescent ceramic disclosed by the invention has relatively high scattering performance.

本申请公开了复相荧光陶瓷、复相荧光陶瓷的制备方法以及发光装置，涉及光学元器件技术领域。包括发光相、基质相和气孔；发光相包括多个粘结在一起的发光晶粒；基质相包括多个粘结在一起的基质晶粒，基质相和发光相在复相荧光陶瓷中相互穿插分布；至少部分气孔分布于发光相内，至少部分气孔分布于基质相内，以及至少部分气孔分布于发光相与A12O3基质相之间。本申请的复相荧光陶瓷能具备较高的散射性能。

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