Corning Incorporated
LIGHT EXTRACTION SUBSTRATE OF ORGANIC LIGHT-EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME

Abstract:

A light extraction substrate of an organic light-emitting device includes a base substrate; a porous light-scattering layer formed on the base substrate, including a first material, and having a plurality of holes formed therein; a planarization layer formed on the light-scattering layer, and including a second material; and a plurality of scattering structures including the second material, and formed by the second material infiltrated from the planarization layer into the light-scattering layer to fill at least a part of the plurality of holes, wherein the plurality of scattering structures includes a plurality of second scattering structures having voids formed therein. A method of manufacturing a light extraction substrate of an organic light-emitting device includes forming a light-scattering layer on a base substrate, the light-scattering layer including a first material and having a plurality of holes formed therein; forming a planarization layer on the light-scattering layer, the planarization layer including a second material, and forming a plurality of scattering structures by the second material infiltrated from the planarization layer into the light-scattering layer, wherein the plurality of scattering structures is formed by the second material filling at least a part of the plurality of holes, and wherein the plurality of scattering structures includes a plurality of second scattering structures having voids formed therein.