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Influence of Architecture-Controlled GaN Rod Arrays on the Output Power of GaN LEDs

✍ Scribed by Cha-Hsin Chao; Shih-Che Hung; Shu-Chia Shiu; Ming-Tung Kuo; Chang-Ho Chen; Ching-Hua Changjean; Ching-Fuh Lin


Book ID
119805885
Publisher
IEEE
Year
2010
Tongue
English
Weight
720 KB
Volume
22
Category
Article
ISSN
1041-1135

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## Abstract In order to enhance light output power of green light‐emitting diodes (LEDs) on a sapphire (0001) substrate, we employ 1.5 nm‐thick AlGaN interlayer between an InGaN well layer and an upper GaN barrier layer. AlGaN interlayer controls asymmetric band profile due to piezoelectric field,