text: An organic light emitting diode ( OLED ) is a light-emitting diode ( LED ) in which the emissive electroluminescent layer is a film of organic compounds which emit light in response to an electric current .
simplified: Organic light-emitting diode ( OLED ) is a type of light-emitting diode ( LED ) . The part of the OLED that creates light is made of a very thin layer of organic compounds .