Patent ID: 7816857
Filing Date: 2010-10-19
Classification: H01L

Abstract:
1. An organic light emitting device, comprising: red (R), green (G), and blue (B) lower electrodes formed on a substrate, the R, G, B lower electrodes each having an equal thickness; R, G, B organic thin film layers formed on the R, G, B lower electrodes, respectively; and an upper electrode formed over the substrate, the upper electrode comprising a first upper electrode layer and a second upper electrode layer, wherein at least a portion of the upper electrode, corresponding to one of the R, G, B organic thin film layers, has a different thickness from other portions of the upper electrode, wherein the upper electrode corresponds to a side of the organic light emitting device from which light is emitted, and wherein the first upper electrode layer has a uniform thickness, and the second upper electrode layer is comprised of transparent materials, and wherein the second upper electrode layer is comprised of at least one or more materials selected from IZO and ITO.