Improved operating voltage in InGaN-capped AlGaN-based DUV LEDs on bulk AlN substrates

H-W S. Huang, S. Agrawal, D. Bhattacharya +2

Better wall plug efficiency of deep-ultraviolet light emitting diodes (DUV-LEDs) requires simultaneous low resistivity p-type and n-type contacts, which is a challenging problem. I…