Zobrazeno 1 - 10 of 151 pro vyhledávání: '"M, La Grassa"'
3
Thermal droop in InGaN-based LEDs: physical origin and dependence on material properties
Autor: Stefano Dominici, Gaudenzio Meneghesso, M. Mandurrino, Roland Zeisel, Enrico Zanoni, C. De Santi, Francesco Bertazzi, Bastian Galler, Michele Goano, Nicola Trivellin, Matteo Meneghini, M. La Grassa, Berthold Hahn
The thermal droop (reduction of the optical power when the temperature is increased) is a phenomenon that strongly limits the efficiency of InGaN-based light-emitting diodes. In this paper we analyze the role of Shockley-Read-Hall (SRH) recombination
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0014298a7e6054eb184f71cb9121750f
http://hdl.handle.net/11583/2637671
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4
Role of defects in the thermal droop of InGaN-based light emitting diodes
Autor: Bastian Galler, Michele Goano, Roland Zeisel, Dipika Robidas, Francesco Bertazzi, M. Mandurrino, Enrico Zanoni, Stefano Dominici, Matteo Meneghini, Gaudenzio Meneghesso, C. De Santi, M. La Grassa
This paper reports an investigation of the physical origin of the thermal droop (the drop of the optical power at high temperatures) in InGaN-based light-emitting diodes. We critically investigate the role of various mechanisms including Shockley-Rea
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::493f1e0cd560865d7627c6e3eec31ab7
http://hdl.handle.net/11583/2637642
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5
Akademický článek
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6
Defects in GaN-based LEDs: impact on internal quantum efficiency and on reliability
Autor: M. La Grassa, Diego Barbisan, Marco Ferretti, Gaudenzio Meneghesso, Nicola Trivellin, Matteo Meneghini, C. De Santi, Enrico Zanoni
Publikováno v: SPIE Proceedings.
This paper reviews the properties of the defects which limit the performance and the reliability of LEDs based on InGaN. More specifically we discuss: (i) the origin and properties of the defects responsible for SRH recombination; (ii) the role of de
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7dfe704450072c73fe1504d72ea55b1c
https://doi.org/10.1117/12.2077461
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7
Characterization of the deep levels responsible for non-radiative recombination in InGaN/GaN light-emitting diodes
Autor: Berthold Hahn, Bastian Galler, Enrico Zanoni, P. Drechsel, Gaudenzio Meneghesso, M. La Grassa, Matteo Meneghini, Roland Zeisel, S. Vaccari
This paper presents an extensive investigation of the deep levels related to non-radiative recombination in InGaN/GaN light-emitting diodes (LEDs). The study is based on combined optical and deep-level transient spectroscopy measurements, carried out
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2a5c0038020f451ec903bf476d765d6a
http://hdl.handle.net/11577/2890499
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8
ESD characterization of multi-chip RGB LEDs
Autor: Marco Barbato, S. Vaccari, M. La Grassa, Alessio Griffoni, Gaudenzio Meneghesso, S. Carraro, Enrico Zanoni, Diego Barbisan, Matteo Meneghini
In this paper we present an extensive analysis of the failure mechanisms of RGB (multi-chip) LEDs submitted to ESD testing: the tests have been carried out on several commercially available LEDs of three different suppliers. In order to better unders
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ee250ee457ba36c164b7b97b55123e9e
http://hdl.handle.net/11577/2693096
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10
Periodical
Knowledge and Values.
Autor: Brennan, John J.
Publikováno v: Vital Speeches of the Day. 06/15/2000, Vol. 66 Issue 17, p534. 3p.
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