TRANSLUCENT SUBSTRATE, METHOD FOR MANUFACTURING THE TRANSLUCENT SUBSTRATE, ORGANIC LED ELEMENT AND METHOD FOR MANUFACTURING THE ORGANIC LED ELEMENT

摘要

Provided is an organic LED element wherein extraction efficiency is improved up to 80% of emitting light at maximum. A translucent substrate having an electrode is provided with a translucent substrate, a scattering layer and a translucent electrode. The scattering layer is provided with a base material, which is formed on the translucent substrate, and has a first refractive index for at least one wavelength among the wavelengths of light emitted from the organic LED element; and a plurality of scattering materials, which are positioned inside the base material, and have a second refractive index different from the refractive index of the base material. The translucent electrode is formed on the scattering layer and has a third refractive index which is the same as the first refractive index or lower. Distribution of the scattering material in the scattering layer reduces toward the translucent electrode from inside the scattering layer.