AlGaInP light-emitting diodes with stripe patterned omni-directional reflector

Y. J. Lee, T. C. Lu, H. C. Kuo, S. C. Wang, M. J. Liou, C. W. Chang, T. C. Hsu, M. H. Hsieh, M. J. Jou, B. J. Lee

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    3 引文 斯高帕斯(Scopus)

    摘要

    An n-side-up AlGaInP-based light-emitting diode (LED) with a stripe-patterned omni-directional reflector (ODR) was fabricated by adopting the adhesive-layer bonding scheme. Comparing to the conventional ODR LED, the stripe-patterned ODR LED significantly enhanced the output power with an only slight higher forward voltage. This improvement was analyzed by the scanning near-field optical microscope (SNOM) and could be attributable to the geometrical shape of stripe patterns that redirects the guided light towards to the escaping cone of the LED surface. The optimized dimension of stripe patterns was also calculated by simply modeling a LED dice with a stripe-patterned ODR structure, according to optical ray-tracing method.

    原文英語
    頁(從 - 到)643-645
    頁數3
    期刊Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
    45
    發行號2 A
    DOIs
    出版狀態已發佈 - 2006 二月 8

    ASJC Scopus subject areas

    • Engineering(all)
    • Physics and Astronomy(all)

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