Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleVariable-Color Light-Emitting Diodes Using GaN Microdonut arrays.AuthorsTchoe, Youngbin; Jo, Janghyun; Kim, Miyoung; Heo, Jaehyuk; Yoo, Geonwook; Sone, Cheolsoo; Yi, Gyu-ChulPublicationAdvanced Materials, 2014, Vol 26, Issue 19, p3019ISSN0935-9648Publication typeArticleDOI10.1002/adma.201305684