Scientific paper on micro-LEDs fabrication using GaN plasma etching from National Chiao Tung University
Superior characteristics of microscale light emitting diodes through tightly lateral oxide-confined scheme
Shen-Che Huang1, Heng Li1 Zhe-Han Zhang1 Hsiang Chen2 Shing-Chung Wang1 and Tien-Chang Lu1
1 Department of Photonics and Institute of Electro-Optical Engineering, National Chiao Tung University, 1001 Ta-Hsueh Rd., Hsinchu 30010, Taiwan
2 Department of Applied Materials and Optoelectronic Engineering, National Chi Nan University, 1 Ta-Hsueh Rd., Puli 54561, Taiwan
Appl. Phys. Lett. 110, 021108 (2017); doi: 10.1063/1.4973966
Micro-LED devices with oxide-refilled current apertures of different sizes were fabricated on sapphire substrates. Samco ICP-RIE etcher was used for aperture pattern transfer by GaN plasma etching with etching depth control.
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Patterned Sapphire Substrate & GaN Etch for HB LEDs