ORGANIC ELECTROLUMINESCENCE ELEMENT

摘要

An upper-face light emitting organic electroluminescence element (1) comprises, in order, a first electrode (20), one or more organic layers (30B) including a blue light emitting layer (34B), a second electrode (40), and a capping layer (50), wherein the capping layer (50) further comprises a material that satisfies the formula n (? = 430nm) - n (? = 460nm) > 0.08, where n (? = x nm) refers to the index of refraction at a wavelength of xnm, and the extinction coefficient thereof does not exceed 0.1 at wavelengths between 430nm-500nm.