Strong light-extraction enhancement in GaInN light-emitting diodes patterned with TiO 2 micro-pillars with tapered sidewalls

Ma, Ming; Cho, Jaehee; Fred Schubert, E.; Park, Yongjo; Bum Kim, Gi; Sone, Cheolsoo

doi:10.1063/1.4756797

Strong light-extraction enhancement in GaInN light-emitting diodes patterned with TiO ₂ micro-pillars with tapered sidewalls

Journal Article · Mon Oct 01 00:00:00 EDT 2012 · Applied Physics Letters

DOI:https://doi.org/10.1063/1.4756797· OSTI ID:1381701

Ma, Ming; Cho, Jaehee; Fred Schubert, E.; Park, Yongjo; Bum Kim, Gi; Sone, Cheolsoo

Research Organization:: Energy Frontier Research Centers (EFRC) (United States). EFRC for Solid State Lighting Science (SSLS)

Sponsoring Organization:: USDOE SC Office of Basic Energy Sciences (SC-22)

DOE Contract Number:: AC04-94AL85000

OSTI ID:: 1381701

Journal Information:: Applied Physics Letters, Journal Name: Applied Physics Letters Journal Issue: 14 Vol. 101; ISSN 0003-6951

Publisher:: American Institute of Physics (AIP)

Country of Publication:: United States

Language:: English

References (8)

Enhanced light extraction from GaN-based light-emitting diodes with holographically generated two-dimensional photonic crystal patterns Kim, Dong-Ho; Cho, Chi-O; Roh, Yeong-Geun Applied Physics Letters, Vol. 87, Issue 20 https://doi.org/10.1063/1.2132073	journal	November 2005
Increase in the extraction efficiency of GaN-based light-emitting diodes via surface roughening Fujii, T.; Gao, Y.; Sharma, R. Applied Physics Letters, Vol. 84, Issue 6 https://doi.org/10.1063/1.1645992	journal	February 2004
Status and Future of High-Power Light-Emitting Diodes for Solid-State Lighting Krames, Michael R.; Shchekin, Oleg B.; Mueller-Mach, Regina Journal of Display Technology, Vol. 3, Issue 2, p. 160-175 https://doi.org/10.1109/JDT.2007.895339	journal	June 2007
High performance thin-film flip-chip InGaN–GaN light-emitting diodes Shchekin, O. B.; Epler, J. E.; Trottier, T. A. Applied Physics Letters, Vol. 89, Issue 7 https://doi.org/10.1063/1.2337007	journal	August 2006
Optical thin-film materials with low refractive index for broadband elimination of Fresnel reflection Xi, J. -Q.; Schubert, Martin F.; Kim, Jong Kyu Nature Photonics, Vol. 1, Issue 3 https://doi.org/10.1038/nphoton.2007.26	journal	March 2007
III-nitride photonic-crystal light-emitting diodes with high extraction efficiency Wierer, Jonathan J.; David, Aurelien; Megens, Mischa M. Nature Photonics, Vol. 3, Issue 3 https://doi.org/10.1038/nphoton.2009.21	journal	February 2009
Self-Assembled GaN:Mg Inverted Hexagonal Pyramids Formed Through a Photoelectrochemical Wet-Etching Process Lin, Chia-Feng; Dai, Jing-Jie; Yang, Zhong-Jie Electrochemical and Solid-State Letters, Vol. 8, Issue 12 https://doi.org/10.1149/1.2077027	journal	January 2005
Crystallographic wet chemical etching of GaN Stocker, D. A.; Schubert, E. F.; Redwing, J. M. Applied Physics Letters, Vol. 73, Issue 18 https://doi.org/10.1063/1.122543	journal	November 1998

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Strong light-extraction enhancement in GaInN light-emitting diodes patterned with TiO ₂ micro-pillars with tapered sidewalls