A scattered volume emitter micropixel architecture for ultra efficient light extraction from DUV LEDs
Faris Azim Ahmad Fajri,
Anjan Mukherjee,
Suraj Naskar
et al.
Abstract:Deep ultraviolet light-emitting diodes (DUV LEDs) typically suffer from strong parasitic absorption in the p-epitaxial layer and rear metal contact/mirror. This problem is exacerbated by a substantial portion of the multiple quantum well (MQW) emissions having a strong out-of-plane dipole component, contributing to emission in widely oblique directions outside the exit cone of the front semiconductor emitting surface. To address this, we propose an architecture that leverages such a heavily oblique angular emi… Show more
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