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NCUEIR > College of Science > Graduate Institute of Photonics Technologies > Periodical Articles > Item 987654321/1583

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/1583

Title:	“Output power enhancement of light-emitting diodes via two-dimensional hole arrays generated by a monolayer of microspheres ,”
Authors:	Chia-Hung Hou;Shao-Ze Tseng;Chia-Hua Chan;Tsing-Jen Chen;Hung-Ta Chien;Fu-Li Hsiao;Hua-Kung Chiu;Chien-Chieh Lee;Yen-Ling Tsai;Chii-Chang Chen
Contributors:	光電科技研究所
Keywords:	NITRIDE-BASED LEDS TRANSPARENT CONTACT PHOTONIC CRYSTAL LAYER
Date:	2009
Issue Date:	2010-11-10T07:36:32Z
Abstract:	The output power enhancement of the GaN-based light-emitting diodes (LEDs) featuring two-dimensional (2D) hole arrays is demonstrated. The 2D air hole arrays were first generated in the photoresist by utilizing the focusing nature of microspheres, and then transferred onto the GaN surface through dry etching. The maximum output power of the surface-textured LEDs was enhanced by 45% compared with the LEDs without surface texturing. The finite-difference time-domain calculation was performed and revealed that the light extraction efficiency of the textured LEDs increased with increasing etching depth. (C) 2009 American Institute of Physics. [doi:10.1063/1.3238360]
Relation:	Appl. Phys. Lett. Vol. 95, pp. 133105
Appears in Collections:	[Graduate Institute of Photonics Technologies] Periodical Articles

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