Improved Light Uniformity From Light-Emitting Diodes by Heterogeneous Microlenses and 3-D Printed Mold

Cheng-Han Chiang and Guo-Dung John Su
Graduate Institute of Photonics and Optoelectronics, National Taiwan University, Taipei 10617, Taiwan
IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS (2015) 21, NO. 4

SAMCO UV-Ozone cleaner was used for wettability modulation of SU-8 microlens.