作者: Jianfeng (Jeff) Chen , James R. Grandusky , Mark C. Mendrick , Shawn R. Gibb , Craig Moe
DOI: 10.1364/CLEO_AT.2012.JW3L.5
关键词: Photon 、 Optoelectronics 、 Ultraviolet 、 Light-emitting diode 、 Surface roughness 、 Photonic crystal 、 Ultraviolet light emitting diodes 、 Optics 、 Refractive index 、 Total internal reflection 、 Materials science
摘要: We designed and fabricated 260 nm ultraviolet LEDs which demonstrated 20mW with greater than 1.5% WPE. Through surface roughening, substrate thinning encapsulation, a 6× improvement in photon extraction efficiency has been achieved.