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- W2118907223 abstract "Nitride-based light-emitting diodes (LEDs) with textured sidewall, GaN mu-pillars around mesa region, patterned sapphire substrate (PSS), and highly reflective Ag-Cr-Au electrode pads were fabricated using the conventional lithography method (labeled as experimental LEDs). When a 20-mA injection current was applied, forward voltages were 3.18 and 3.4 V for the conventional and experimental LEDs, respectively. The high 20-mA V <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>f</sub> of LEDs with Ag-Cr-Au electrode pads could be attributed to the fact that the specific contact resistance of n <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>+</sup> -GaN-Ag-Cr-Au is slightly higher than that of the n <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>+</sup> -GaN-Cr-Au contact. It was found that we could achieve much stronger LED output power with textured sidewalls, GaN mu-pillars around mesa region, PSS, and highly reflective Ag-Cr-Au electrode pads. It was also found that we could enhance LED output power by more than 80% compared with the conventional LEDs." @default.
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- W2118907223 date "2009-11-01" @default.
- W2118907223 modified "2023-10-17" @default.
- W2118907223 title "GaN-Based LEDs With GaN $mu$-Pillars Around Mesa, Patterned Substrate, and Reflector Under Pads" @default.
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- W2118907223 doi "https://doi.org/10.1109/lpt.2009.2028695" @default.
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