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QUANTUM-SPLITTING FLUORIDE-BASED PHOSPHOR, METHOD FOR PRODUCING THE SAME AND DEVICE CONTAINING THE

2025-07-27 17:143980下载
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PROBLEM TO BE SOLVED : To provide a mercury-free light source having high energy efficiency by using a quantum-splitting phosphor having high quantum efficiency. SOLUTION : The quantum-splitting phosphor is expressed by ADF5 : Pr3+ wherein A is at least one alkaline earth metal and D is at least one group III metal. The phosphor is produced in a solid state without using dangerous HF gas. The phosphor can be used singly or in combination with other phosphors in a light source 10 and a display 310. It is excited by vacuum ultraviolet rays to increase the efficiency of the devices. COPYRIGHT : (C)2006, JPO&NCIPI


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