Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleToward Ultra‐Efficient OLEDs: Approaches Based on Low Refractive Index Materials.AuthorsLee, Jaeho; Song, Jinouk; Park, Jaehyeok; Yoo, SeunghyupPublicationAdvanced Optical Materials, 2021, Vol 9, Issue 14, p1ISSN2195-1071Publication typeArticleDOI10.1002/adom.202002182