An electroluminescent device having a structure including a light-emitting layer (4) composed of at least an organic polymer between an anode (2) and a cathode (6), includes a then film layer (5) disposed between the light-emitting layer (4) and the cathode (6), the thin-film layer suppressing unnecessary current which does not contribute to light emission.

 
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> Chemical compound capable of emitting visible light, and luminescent material, electro-luminescent device, and display apparatus that contain the chemical compound

> Stacked OLED display having improved efficiency
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