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OLED

An organic light-emitting diode, also known as organic electroluminescent diode, is a type of light-emitting diode in which the emissive electroluminescent layer is an organic compound film that emits light in response to an electric current. Wikipedia
Battery life: approximately 4.5 to 9 hours
First production: October 1962
Pin configuration: Anode and cathode
Working principle: Electroluminescence