The use of polydimethylsiloxane concave microstructures arrays to enhance light extraction efficiency of InGaN quantum wells light-emitting diodes

Author

Ee, Yik-Khoon ; Kumnorkaew, Pisist ; Arif, Ronald A. ; Tong, Hua ; Gilchrist, James F. ; Tansu, Nelson

Author_Institution

Dept. of Electr. & Comput. Eng., Lehigh Univ., Bethlehem, PA, USA

fYear

2009

fDate

2-4 June 2009

Firstpage

1

Lastpage

2

Abstract

Novel approach to improve light extraction efficiency of InGaN-based light emitting diodes with polydimethylsiloxane concave microstructures arrays was demonstrated, which leads to enhancement of extraction efficiency by 1.60-times in good agreement with simulation.

Keywords

III-V semiconductors; gallium compounds; indium compounds; light emitting diodes; polymers; quantum well devices; wide band gap semiconductors; InGaN; light extraction efficiency; polydimethylsiloxane concave microstructures arrays; quantum wells light-emitting diodes; Computational modeling; Lenses; Light emitting diodes; Microoptics; Microstructure; Optical arrays; Optical refraction; Optical scattering; Optical variables control; Stimulated emission; (230.0250) Optoelectronics; (230.3670) Light-Emitting Diodes;

fLanguage

English

Publisher

ieee

Conference_Titel

Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on

Conference_Location

Baltimore, MD

Print_ISBN

978-1-55752-869-8

Electronic_ISBN

978-1-55752-869-8

Type

conf

Filename

5224614