Huang B.-J.Wu M.-S.Hsu P.-C.Chen C.-W.Chen K.-Y.2019-06-262019-06-2620092579731https://www.scopus.com/inward/record.uri?eid=2-s2.0-77954681978&partnerID=40&md5=f8ffd8481bc7a1bc57cc07a26c53dccfhttps://scholars.lib.ntu.edu.tw/handle/123456789/411412A PWM constant average current driving technique for solar LED lighting systemsjournal article2-s2.0-77954681978