LIGHT EMITTING DIODE INCLUDING A LIGHT TRANSMITTING SUBSTRATE, CAPABLE OF IMPROVING EXTERNAL QUANTUM EFFICIENCY

摘要

PURPOSE: A light emitting diode including a light transmitting substrate is provided to reduce production costs by using a substrate passing a light in red region.;CONSTITUTION: A substrate has transmittance of one light in a red region. A first type semiconductor layer(22) is arranged on a substrate. An active layer is arranged in the first type semiconductor layer and has multiple quantum dots. A second type semiconductor layer(26) is arranged in the active layer which has a barrier and a quantum dot layer The barrier and the quantum dot layer are laminated alternatively.;COPYRIGHT KIPO 2011