Increased Light Extraction of Thin-Film Flip-Chip UVB LEDs by Surface Texturing
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DOI: 10.1021/acsphotonics.2c01352
Abstract: Ultraviolet light-emitting diodes (LEDs) suffer from a low wall-plug efficiency, which is to a large extent limited by the poor light extraction efficiency (LEE). A thin-film flip-chip (TFFC) design with a roughened N-polar AlGaN surface… read more here.
Keywords: flip chip; light extraction; film flip; efficiency ... See more keywords