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High efficiency white LEDs with 2D photonic quasi-crystal and patterned sapphire substrate

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8 Author(s)
Chiu, C.H. ; Dept. of Photonics, Nat. Chiao-Tung Univ., Hsinchu ; Cheng, B.S. ; Kuo, H.C. ; Lu, T.C.
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A high emitting efficiency GaN-based white LED with 2D PQC on surface and PSS were successfully fabricated. After packaging, 21% enhancement in emitting luminous flux was achieved under the driving current 20 mA.

Published in:

Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on

Date of Conference:

4-9 May 2008