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There have been extensive studies on organic light-emitting diodes (OLEDs) in view of both fundamental science and technological applications for full-color, flat-panel displays and lighting. Both small molecular materials and polymers have been studied for use as materials in OLEDs. This short review article focuses on non-conjugated polymers with side chain groups as potential materials for OLEDs. Concrete examples of non-conjugated pendant polymers that function as hole-transporting, electron-transporting, emitting, and host materials and the performance of devices using these materials are introduced from the recent literature.