Light-emitting diodes
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TLDR
Bergh and P.J.Dean as discussed by the authors proposed a light-emitting diode (LEDD) for light-aware Diodes, which was shown to have promising performance.Abstract:
Light-Emitting Diodes. (Monographs in Electrical and Electronic Engineering.) By A. A. Bergh and P. J. Dean. Pp. viii+591. (Clarendon: Oxford; Oxford University: London, 1976.) £22.read more
Citations
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Reliability Engineering and System Safety
TL;DR: In this paper, a polynomial dimensional decomposition (PDD) method for global sensitivity analysis of stochastic systems subject to independent random input following arbitrary probability distributions is presented.
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Origin of efficiency droop in GaN-based light-emitting diodes
Min-Ho Kim,Martin F. Schubert,Qi Dai,Jong Kyu Kim,E. Fred Schubert,Joachim Piprek,Yongjo Park +6 more
TL;DR: In this paper, the efficiency droop in GaInN∕GaN multiple-quantum well (MQW) light-emitting diodes was investigated and it was shown that the droop is not related to MQW efficiency but rather to the recombination of carriers outside the MqW region.
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Lasing in direct-bandgap GeSn alloy grown on Si
Stephan Wirths,R. Geiger,R. Geiger,N. von den Driesch,Gregor Mussler,Toma Stoica,Siegfried Mantl,Zoran Ikonic,Martina Luysberg,Stefano Chiussi,J. M. Hartmann,Hans Sigg,Jérôme Faist,Dan Buca,Detlev Grützmacher +14 more
TL;DR: In this paper, a direct bandgap GeSn alloy, grown directly onto Si(001), was used for experimentally demonstrating lasing threshold and linewidth narrowing at low temperatures.
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Spectroscopic and Device Aspects of Nanocrystal Quantum Dots
Jeffrey M. Pietryga,Young-Shin Park,Young-Shin Park,Jaehoon Lim,Andrew F. Fidler,Wan Ki Bae,Sergio Brovelli,Victor I. Klimov +7 more
TL;DR: Recent advances in nanocrystal research related to applications of QD materials in lasing, light-emitting diodes (LEDs), and solar energy conversion are examined.
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LED Based Indoor Visible Light Communications: State of the Art
TL;DR: This paper provides a comprehensive survey on VLC with an emphasis on challenges faced in indoor applications over the period 1979-2014.
References
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Journal ArticleDOI
Enhanced Light Extraction in GaN-Based Light-Emitting Diodes with Holographically Fabricated Concave Hemisphere-Shaped Patterning on Indium–Tin-Oxide Layer
Tae Hoon Seo,Tae Su Oh,Yong Seok Lee,Hyun Jeong,Jan Di Kim,Hun Kim,Ah Hyun Park,Kang Jea Lee,Chang-Hee Hong,Eun-Kyung Suh +9 more
TL;DR: In this paper, a two-dimensional concave hemisphere-shaped indium-tinoxide (ITO) layer, fabricated using laser holographic lithography and inductively-coupled plasma etching techniques was studied.
Auditory image understanding for the visually impaired based on a modular computer vision sonification model
TL;DR: This thesis presents a system that strives to give visually impaired people direct perceptual access to images via an acoustic signal, based on a Modular Computer Vision Sonication Model, which is proposed as a general framework for acquisition, exploration and sonication of visual information to support visually impairedPeople.
Journal ArticleDOI
Lifetime reduction of a quantum emitter with quasiperiodic metamaterials
Yuto Moritake,Kazuyuki Nakayama,Toshihiro Suzuki,Hiroyuki Kurosawa,Toshiyuki Kodama,Satoshi Tomita,Hisao Yanagi,Teruya Ishihara +7 more
TL;DR: In this article, an enhancement of light-matter interaction of a quantum emitter with subwavelength quasiperiodic metamaterials is proposed and demonstrated, which is based on the localized latticelike state inherent for self-similar quasipersiodic order.
Journal ArticleDOI
Preparation of high-purity gallium from semiconductor fabrication waste
TL;DR: In this paper, a fine purification of metallurgical-grade gallium recovered from various semiconductor waste materials based on GaAs and GaP was examined for the preparation of high-quality compound semiconductors.
Proceedings ArticleDOI
Indoor visible light communication: modeling and analysis of multi-state modulation
TL;DR: The paper deals with the issue of deployment of multi-state modulations into the indoor visible light communications in LOS (Line of Sight) configuration and the irradiation distribution in dark room in comparison with real room during used multi- state modulation scheme in both simulation and real measurement.