| 简介 |
PROBLEM TO BE SOLVED : To provide an electroluminescent device with a high photoluminescent efficiency.
SOLUTION : The electroluminescent device with a high photoluminescent efficiency includes a transparent conductive substrate on which a layer of an electroluminescent material is formed. The electroluminescent material is a rare earth metal, actinide, or transition metal organic complex which has a photoluminescent efficiency (PL) of greater than 25%, and includes metals selected from Sm(III), Eu(III), Tb(III), Dy(III), Yb(III), Lu(III), and Gd(III).
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