Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
High-luminous-efficiency fluorescent composite ceramic for laser illumination and preparation method of high-luminous-efficiency fluorescent composite ceramic
The invention discloses high-luminous-efficiency fluorescent composite ceramic for laser illumination and a preparation method of the high-luminous-efficiency fluorescent composite ceramic. The high-luminous-efficiency fluorescent composite ceramic comprises millimeter-scale circular-truncated-cone-shaped fluorescent ceramic and Al2O3 ceramic, and the millimeter-scale circular-truncated-cone-shaped fluorescent ceramic and the Al2O3 ceramic are tightly bonded into the composite fluorescent ceramic through co-firing; the millimeter-scale circular-truncated-cone-shaped fluorescent ceramic biscuit is prepared by adopting a gel-casting method, and the parameters of a circular truncated cone are as follows: the diameter of the upper bottom is 0.5-3mm, the height is 1-3mm, and the included angle between a generatrix and an axis is 22.5-66.5 degrees. The millimeter-scale circular-truncated-cone-shaped composite fluorescent ceramic is small in light-emitting surface and high in brightness, the light extraction rate is improved by utilizing the total internal reflection effect and regulating and controlling the included angle between the generatrix and the axis of the circular truncated cone, the overall heat dissipation capacity of the composite ceramic is higher by utilizing the columnar advantage, the problem that the light effect is reduced due to the yellow ring effect in laser illumination is effectively solved, and excellent heat stability is kept; the luminescent properties of high lumen efficiency and high brightness are realized, and the stable operation of the fluorescent material is also realized.
本发明公开了一种激光照明用高光效荧光复合陶瓷及其制备方法，复合荧光陶瓷的组成包括毫米级圆台形荧光陶瓷和Al2O3陶瓷，毫米级圆台形荧光陶瓷和Al2O3陶瓷采用共烧紧密粘合成复合荧光陶瓷；毫米级圆台形荧光陶瓷素坯采用凝胶注模法制备，其中圆台参数为：上底直径0.5～3mm，高1～3mm，母线与轴线夹角为22.5～66.5°。该毫米级圆台状复合荧光陶瓷发光面小、亮度高，利用“全内反射效应”，通过调控圆台母线与轴线的夹角提升光提取率，利用柱状优势使复合陶瓷整体散热能力更强，有效解决激光照明中“黄环效应”带来的光效下降问题并保持优异的热稳定性，既实现高流明效率和高亮度的发光性能，又实现荧光材料的稳定运行。
High-luminous-efficiency fluorescent composite ceramic for laser illumination and preparation method of high-luminous-efficiency fluorescent composite ceramic
The invention discloses high-luminous-efficiency fluorescent composite ceramic for laser illumination and a preparation method of the high-luminous-efficiency fluorescent composite ceramic. The high-luminous-efficiency fluorescent composite ceramic comprises millimeter-scale circular-truncated-cone-shaped fluorescent ceramic and Al2O3 ceramic, and the millimeter-scale circular-truncated-cone-shaped fluorescent ceramic and the Al2O3 ceramic are tightly bonded into the composite fluorescent ceramic through co-firing; the millimeter-scale circular-truncated-cone-shaped fluorescent ceramic biscuit is prepared by adopting a gel-casting method, and the parameters of a circular truncated cone are as follows: the diameter of the upper bottom is 0.5-3mm, the height is 1-3mm, and the included angle between a generatrix and an axis is 22.5-66.5 degrees. The millimeter-scale circular-truncated-cone-shaped composite fluorescent ceramic is small in light-emitting surface and high in brightness, the light extraction rate is improved by utilizing the total internal reflection effect and regulating and controlling the included angle between the generatrix and the axis of the circular truncated cone, the overall heat dissipation capacity of the composite ceramic is higher by utilizing the columnar advantage, the problem that the light effect is reduced due to the yellow ring effect in laser illumination is effectively solved, and excellent heat stability is kept; the luminescent properties of high lumen efficiency and high brightness are realized, and the stable operation of the fluorescent material is also realized.
本发明公开了一种激光照明用高光效荧光复合陶瓷及其制备方法，复合荧光陶瓷的组成包括毫米级圆台形荧光陶瓷和Al2O3陶瓷，毫米级圆台形荧光陶瓷和Al2O3陶瓷采用共烧紧密粘合成复合荧光陶瓷；毫米级圆台形荧光陶瓷素坯采用凝胶注模法制备，其中圆台参数为：上底直径0.5～3mm，高1～3mm，母线与轴线夹角为22.5～66.5°。该毫米级圆台状复合荧光陶瓷发光面小、亮度高，利用“全内反射效应”，通过调控圆台母线与轴线的夹角提升光提取率，利用柱状优势使复合陶瓷整体散热能力更强，有效解决激光照明中“黄环效应”带来的光效下降问题并保持优异的热稳定性，既实现高流明效率和高亮度的发光性能，又实现荧光材料的稳定运行。
High-luminous-efficiency fluorescent composite ceramic for laser illumination and preparation method of high-luminous-efficiency fluorescent composite ceramic
一种激光照明用高光效荧光复合陶瓷及其制备方法
ZHANG LE (Autor:in) / LIU MINGYUAN (Autor:in) / ZHOU TIANYUAN (Autor:in) / ZHENG XINYU (Autor:in) / CAO YIFEI (Autor:in) / SHAO CEN (Autor:in) / KANG JIAN (Autor:in) / ZHOU CHUNMING (Autor:in) / CHEN HAO (Autor:in)
27.06.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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