The present disclosure provides a method for encapsulating an organic light-emitting diode (OLED) capsule structure, comprising the operations of: providing a non-polar layered conductive polymer having a plurality of chemical bonds on a surface thereof; capturing a plurality of organic electroluminescent molecules of an organic electroluminescent substance by the plurality of chemical bonds of the non-polar layered conductive polymer; and performing capsule encapsulation of the non-polar layered conductive polymer having the captured plurality of organic electroluminescent molecules. The present disclosure also provides a method for forming an OLED light-emitting layer, and an OLED capsule structure.