Red-Emitting Ba2Si5N8Eu2+ Conversion Phosphor: A New Selection for Enhancing the Optical Performance of the In-cup Packaging MCW-LEDs Authors Tin Phu Tran, Nguyen Huu Khanh Nhan, Minh Tran Hoang Quang and Nguyen Thi Phuong Thao Publisher Cogent Engineering Publication year 2018