An organic light-emitting device (OLED) in which an iptycene derivative is used as the emissive layer and/or one or more of the charge transport layers, or as a host material for one or more of these layers.

 
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< Transparent electrically-conductive film and its use

> Organic EL element drive circuit and organic EL display device using the same drive circuit

> Method of providing pulse amplitude modulation for OLED display drivers

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