提升深紫外LED的效率：從材料到器件Improve the Efficiency of Deep Ultraviolet LEDs: from Materials to Devices閆建昌--山西中科潞安紫外光電科技有限公司總經(jīng)理、中科院半導(dǎo)體研究所研究員YANJianchang--General Manager of Advanced Ultraviolet Optoelectronics, Professor of Institute of Semiconductors, CAS