Magnesium aluminum phosphate fluorescent powder co-doped with europium ion and manganese ion and preparation method thereof

A technology of aluminum magnesium phosphate and manganese ions, which is applied in the field of fluorescent materials, can solve the problems of high cost of preparation methods, narrow fluorescent pink range, complexity and the like, and achieves the effects of simple preparation method, wide emission band, and reduced collocation.
CN102277166AInactive Publication Date: 2011-12-14KUNMING UNIV OF SCI & TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
KUNMING UNIV OF SCI & TECH
Publication Date
2011-12-14
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention provides a magnesium aluminum phosphate fluorescent powder co-doped with europium ions and manganese ions and a preparation method thereof. The fluorescent powder includes a chemical composition formula of Mg1-x-yEuxMnyAl(PO4)zO, wherein x=0.001~0.1; y =0.001~0.1; z=0.9~1.2. The phosphor powder provided by the present invention can be effectively excited by ultraviolet light and blue light, and emits broadband visible fluorescence from a wavelength range of 400nm to 700nm, with a central peak at around 450nm and 640nm; It is used for full-color white phosphors for white LEDs or energy-saving lamps.
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Description

technical field

[0001] The invention relates to lighting and display fluorescent powder technology, in particular to a magnesium aluminum phosphate fluorescent powder co-doped with europium ions and manganese ions and a preparation method thereof, belonging to the technical field of fluorescent materials. Background technique

[0002] Energy conservation and environmental protection are already the mainstream of future social development. Compared with incandescent lamps and energy-saving lamps that are widely used at present, LED (Light Emitting Diode)-based solid-state lighting has many advantages such as energy saving, stability, and environmental protection. Therefore, the development of semiconductor lighting is conducive to ending the energy crisis and the environmental problems existing in the original incandescent lamps and energy-saving lamps. In order to realize white light LED, a better method is to use light conversion phosphor. At present, the common white LED...

Claims

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