| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide multi-layered light emitting particles enhanced in luminous efficiency by enhancing energy transfer efficiency. Ž<P>SOLUTION: The multi-layered light emitting particles comprising a first layer containing a first pigment and a second layer containing a second pigment are provided, wherein the first pigment and the second pigment are arranged at a position where resonance energy transfer takes place, and T/Q is ≥9, wherein T/Q is a ratio of T value over Q value of silicon atoms calculated by solid NMR measurement. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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