An organic light emitting diode oled is an electroluminescent light source that consists of an emissive semiconducting layer or layer stack formed by organic molecules sandwiched in between a pair of electrode layers. This organic layer is situated between two electrodes. Organic Light Emitting Diodes The Use Of Rare Earth And Transition Metals Organic Light Emitting Diode 5 Best Things Sony S Oled Displays Explained Light Emitting Diode An organic light emitting diode oled or organic led also known as an organic el organic electroluminescent diode is a light emitting diode led in which the emissive electroluminescent layer is a film of organic compound that emits light in response to an electric current. Organic light emitting diode . The main use of oled technology is for flat panel displays for smartphones and other mobile devices where they are in some w...