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Complex-phase fluorescent ceramic, preparation method thereof and light-emitting device
The invention discloses a complex-phase fluorescent ceramic, a preparation method thereof and a light-emitting device. The complex-phase fluorescent ceramic provided by the invention comprises fluorescent powder crystal grains and aluminum oxide crystal grains, wherein the fluorescent powder crystal grains at least comprise two different particle sizes, and the aluminum oxide crystal grains also at least comprise two different particle sizes. Wherein a part of small-particle-size aluminum oxide crystal grains are distributed around the fluorescent powder crystal grains and are connected with the fluorescent powder crystal grains, so that the binding force between the fluorescent powder crystal grains and the aluminum oxide crystal grains can be effectively improved when the content of the fluorescent powder crystal grains in the complex-phase fluorescent ceramic reaches 70%-90%. The fluorescent powder crystal grains and the aluminum oxide crystal grains at least have two particle sizes, so that the aluminum oxide crystal grains can be better combined to the edges of the fluorescent powder crystal grains, the density of the multiphase fluorescent ceramic is improved, and the multiphase fluorescent ceramic with high fluorescent powder content and high density can be obtained.
本申请公开了一种复相荧光陶瓷及其制备方法、发光装置，本申请提供的复相荧光陶瓷包括荧光粉晶粒和氧化铝晶粒；其中，荧光粉晶粒至少包括两种不同粒径，且氧化铝晶粒也至少包括两种不同粒径。其中部分小粒径的氧化铝晶粒分布在荧光粉晶粒的周围并与荧光粉晶粒相接，使得复相荧光陶瓷中荧光粉晶粒的含量达到70％‑90％时，能有效提高荧光粉晶粒和氧化铝晶粒之间的结合力。且荧光粉晶粒和氧化铝晶粒都至少包括两种粒径，使氧化铝晶粒能更好的结合到荧光粉晶粒的边缘，提高复相荧光陶瓷的致密度，能获得高荧光粉含量高致密度的复相荧光陶瓷。
Complex-phase fluorescent ceramic, preparation method thereof and light-emitting device
The invention discloses a complex-phase fluorescent ceramic, a preparation method thereof and a light-emitting device. The complex-phase fluorescent ceramic provided by the invention comprises fluorescent powder crystal grains and aluminum oxide crystal grains, wherein the fluorescent powder crystal grains at least comprise two different particle sizes, and the aluminum oxide crystal grains also at least comprise two different particle sizes. Wherein a part of small-particle-size aluminum oxide crystal grains are distributed around the fluorescent powder crystal grains and are connected with the fluorescent powder crystal grains, so that the binding force between the fluorescent powder crystal grains and the aluminum oxide crystal grains can be effectively improved when the content of the fluorescent powder crystal grains in the complex-phase fluorescent ceramic reaches 70%-90%. The fluorescent powder crystal grains and the aluminum oxide crystal grains at least have two particle sizes, so that the aluminum oxide crystal grains can be better combined to the edges of the fluorescent powder crystal grains, the density of the multiphase fluorescent ceramic is improved, and the multiphase fluorescent ceramic with high fluorescent powder content and high density can be obtained.
本申请公开了一种复相荧光陶瓷及其制备方法、发光装置，本申请提供的复相荧光陶瓷包括荧光粉晶粒和氧化铝晶粒；其中，荧光粉晶粒至少包括两种不同粒径，且氧化铝晶粒也至少包括两种不同粒径。其中部分小粒径的氧化铝晶粒分布在荧光粉晶粒的周围并与荧光粉晶粒相接，使得复相荧光陶瓷中荧光粉晶粒的含量达到70％‑90％时，能有效提高荧光粉晶粒和氧化铝晶粒之间的结合力。且荧光粉晶粒和氧化铝晶粒都至少包括两种粒径，使氧化铝晶粒能更好的结合到荧光粉晶粒的边缘，提高复相荧光陶瓷的致密度，能获得高荧光粉含量高致密度的复相荧光陶瓷。
Complex-phase fluorescent ceramic, preparation method thereof and light-emitting device
一种复相荧光陶瓷及其制备方法、发光装置
LI QIAN (author) / WANG YANGANG (author) / CHEN YUSAN (author)
2024-12-31
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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