Patent ID: 9172056
Filing Date: 2015-10-27
Classification: H01L

Abstract:
1. An organic light emitting diode (OLED) comprising: a transparent conductive electrode structure comprising a first layer comprising indium tin oxide (ITO) and a second conductive layer on a substrate, the first layer comprising ITO being located between at least the substrate and the second conductive layer; the first layer comprising ITO is thicker than the second conductive layer which is metallic or substantially metallic, and the second conductive metallic or substantially metallic layer has a work function of at least 4.5; wherein the first layer comprising ITO is from about 100-200 nm thick, and the second conductive layer is from about 0.5 to 50 nm thick; and an organic light emitting layer located between said transparent conductive electrode structure and another electrode, and wherein said transparent conductive electrode structure is on a light emitting side of the organic light emitting layer.