JOURNAL PUBLICATION
Kumnorkaew,
P.; Ee, Y.-K.; Tansu, N.; Gilchrist, J. F., Investigation of the Deposition of
Microsphere Monolayers for Fabrication of Microlens Arrays. Langmuir 2008.
(Cover Article) (pdf)
Ee,
Y.-K.; Arif, R. A.; Tansu, N.; Kumnorkaew, P.; Gilchrist, J. F., Enhancement of
light extraction efficiency of InGaN quantum wells light emitting diodes using
SiO2/polystyrene microlens arrays. Applied Physics Letters 2007, 91, (22),
221107.
Kumnorkaew,P and Gilchrist, J. F.,
"Effect of Nanoparticle Concentration on the Convective Deposition of
Binary Suspensions", Langmuir 2009.
Y. K. Ee, P. Kumnorkaew, R. A. Arif, H. Tong, H. Zhao, J. F. Gilchrist, and N.
Tansu, "Optimization of Light Extraction Efficiency of III-Nitride Light
Emitting Diodes with Self-Assembled Colloidal-based Microlenses", IEEE
J. Selected Topics in Quantum Electronics, accepted.
Y. K. Ee, P.
Kumnorkaew, R. A. Arif, H. Tong, J. F. Gilchrist, and N. Tansu, "Light
Extraction Efficiency Enhancement of InGaN Quantum Wells Light-Emitting Diodes
with Polydimethylsiloxane Concave Microstructures", submitted.
REFEREED PUBLICATION
Y. K. Ee, P. Kumnorkaew, R. A.
Arif, J. F. Gilchrist, and N. Tansu, "Enhancement of Light Extraction
Efficiency of InGaN Quantum Wells LEDs Using SiO2 Microspheres", in Proc.
of the IEEE/OSA Conference on Lasers and Electro-Optics (CLEO) 2007, Baltimore,
MD, May 2007.
Y. K. Ee, P. Kumnorkaew, R. A.
Arif, H. Tong, J. F. Gilchrist, and N. Tansu, "Comparison of Numerical
Modeling and Experiments of InGaN Quantum Wells Light Emitting Diodes with SiO2
/ Polystyrene Microlens Arrays", in Proc. of the SPIE Photonics West 2007,
Light-Emitting Diodes: Research, Manufacturing, and Applications XII, San Jose,
CA, Jan 2008.
Y. K. Ee, P. Kumnorkaew, R. A.
Arif, J. F. Gilchrist, and N. Tansu, "Size Effect of SiO2 / Polystrene
Microspheres in the Enhancement of Light Extraction Efficiency of InGaN Quantum
Wells LEDs", in Proc. of the IEEE/OSA Conference on Lasers and
Electro-Optics (CLEO) 2008, San Jose, CA, May 2008.
Y. K. Ee, R. A. Arif, P. Kumnorkaew, J. F. Gilchrist,
and N. Tansu, "Optimization and Fabrication of III-Nitride Light-Emitting
Diodes with Self-Assembled Colloidal-Based Convex Microlens Arrays", in
Proc. of the IEEE Photonics Global 2008, Nanophotonics Symposium, Singapore,
Republic of Singapore, December 2008.
Y. K. Ee, P. Kumnorkaew, R. A. Arif, H. Tong, J. F. Gilchrist, and N. Tansu,
"Enhancement of Light Extraction Efficiency of InGaN Quantum Wells
Light-Emitting Diodes with Polydimethylsiloxane Concave Microstructures",
in Proc. of the SPIE Photonics West 2009, LEDs: Materials, Devices, and
Applications for Solid State Lighting XIII, San Jose, CA, Jan 2009.
Y. K. Ee, P. Kumnorkaew, R. A. Arif, H. Tong, J. F. Gilchrist, and N. Tansu,
"The Use of Polydimethylsiloxane Concave Microstructures Arrays to Enhance
Light Extraction Efficiency of InGaN Quantum Wells Light-Emitting Diodes",
in Proc. of the IEEE/OSA Conference on Lasers and Electro-Optics (CLEO) 2009,
Baltimore, MD, May 2009.
CONFERENCE
James F. Gilchrist and Pisist Kumnorkaew, "Direct
Visualization of Rapid Convective Deposition of Microsphere Monolayers",
APS Division of Fluid Dynamics, November 2008.
Pisist Kumnorkaew and James F. Gilchrist, "Direct
Visualization of Rapid Convective Deposition of Microsphere Monolayers",
AIChE Annual Meeting, November 2008.
P.
Kumnorkaew, Y. K. Ee, N. Tansu and J. F. Gilchrist, "Rapid Convective
Deposition Of Microsphere Monolayers For Fabrication Of Microlens Arrays",
The Society of Rheology 80th Annual Meeting, August 2008.
P.
Kumnorkaew, Y. K. Ee, N. Tansu and J. F. Gilchrist, "Self-Assembled
Polystyrene-Silica Microlens Arrays"(poster), 11th Tiger-Hen-Hawk Rheology
Symposium, University of Delaware, April 2008.
P.
Kumnorkaew, Y. K. Ee, N. Tansu and J. F. Gilchrist, "Self-Assembled
Polystyrene-Silica Microlens Arrays"(poster), Polymer Nanocomposites,
Lehigh University, March 2008.
P.
Kumnorkaew, Y. K. Ee, N. Tansu and J. F. Gilchrist, "Rapid Convective
Deposition Of Microsphere Monolayers For Fabrication Of Microlens Arrays",
AIChE Annual Meeting, November 2007.
P.
Kumnorkaew, Y. K. Ee, N. Tansu, J. F. Gilchrist, "Deposition of Microsphere
Monolayers for Microlens arrays", ACS Colloids and Surface Science
Symposium, June 2007.
PATENT
Nelson
Tansu, Yik Khoon Ee, James F. Gilchrist, Pisist Kumnorkaew, and Ronald A. Arif,
Novel techniques to achieve large light extraction efficiency of nitride-based
LEDs using a low cost and straight forward approach.