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- W4221093071 abstract "We will give an overview of different concepts to increase the light extraction efficiency (LEE) of ultraviolet (UV) light-emitting diodes (LEDs) with a focus on thin-film flip-chip (TFFC) devices. Optical simulations show that a TFFC design can greatly improve the LEE with a transparent p-side, reflective contacts, and optimized surface roughening. We will demonstrate UVB-emitting TFFC LEDs based on our fabrication platform for AlGaN thin films with high aluminum content. The fabrication is compatible with a standard LED process and uses substrate removal based on selective electrochemical etching as the key enabling technology." @default.
- W4221093071 created "2022-04-03" @default.
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- W4221093071 date "2022-03-05" @default.
- W4221093071 modified "2023-10-01" @default.
- W4221093071 title "Thin-film flip-chip UVB LEDs realized by electrochemical etching" @default.
- W4221093071 doi "https://doi.org/10.1117/12.2609581" @default.
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