National Changhua University of Education Institutional Repository : Item 987654321/1583
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題名: “Output power enhancement of light-emitting diodes via two-dimensional hole arrays generated by a monolayer of microspheres ,”
作者: 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
貢獻者: 光電科技研究所
關鍵詞: NITRIDE-BASED LEDS
TRANSPARENT CONTACT
PHOTONIC CRYSTAL
LAYER
日期: 2009
上傳時間: 2010-11-10T07:36:32Z
摘要: 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]
關聯: Appl. Phys. Lett. Vol. 95, pp. 133105
顯示於類別:[光電科技研究所] 期刊論文

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