Lin, H.-Y.H.-Y.LinChen, K.-Y.K.-Y.ChenLee, J.-H.J.-H.LeeLin, H.-Y.H.-Y.LinWei, M.-K.M.-K.WeiWu, and T.-C.and T.-C.Wu2010-09-272018-07-052010-09-272018-07-052007-04http://ntur.lib.ntu.edu.tw//handle/246246/205569en-USOutcoupling efficiency improvement of planar OLED devices with square-based microlensesjournal article