Patent ID: 8587003
Filing Date: 2013-11-19
Classification: H01L

Abstract:
1. An organic electroluminescence display device comprising: a substrate; lower electrodes on the substrate, one for each of a blue first organic electroluminescence element and second organic electroluminescence elements of other colors; first hole injection/transport layers, each of which is on or above the lower electrode for one of the first and second organic electroluminescence elements and has at least a hole injection or hole transport characteristic; second organic light-emitting layers of colors other than blue, each of which is provided on one of the first hole injection/transport layers of the second organic electroluminescence elements; a blue first organic light-emitting layer over the entire surfaces of the second organic light-emitting layers and the first hole injection/transport layer of the first organic electroluminescence element, the blue first organic light-emitting layer being made of a low molecular weight material; electron injection/transport layers sequentially over the entire surface of the first organic light-emitting layer, each of the electron injection/transport layers having at least an electron injection or electron transport characteristic; and an upper electrode, wherein,