Degradation of LED parameters during operation: Brief review of currently used models and measuring methods

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26220%2F15%3APU114125" target="_blank" >RIV/00216305:26220/15:PU114125 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1109/EPE.2015.7161147" target="_blank" >http://dx.doi.org/10.1109/EPE.2015.7161147</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1109/EPE.2015.7161147" target="_blank" >10.1109/EPE.2015.7161147</a>

Result language
angličtina
Original language name
Degradation of LED parameters during operation: Brief review of currently used models and measuring methods
Original language description
This paper brings a brief review of LED parameters that can be changed during the life of these types of light sources. Firstly the change of quantitative parameter of emitted light is presented (luminous flux) and following part is dedicated to change of quality parameter (spectral distribution) and change of electrical parameters. Modification of these parameters may affect the use of LEDs in lighting systems for general lighting and also in some applications with high demands on luminous flux and spectral distribution stability. Current attitudes to modelling and measuring methods and their fundamentals and deficiencies are reviewed briefly.
Czech name
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Czech description
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Project
<a href="/en/project/LO1210" target="_blank" >LO1210: Energy for Sustainable Development</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2015
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
Proceedings of the 2015 16th International Scientific Conference on Electric Power Engineering (EPE)
ISBN
978-1-4673-6787-5
ISSN
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e-ISSN
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Number of pages
773
Pages from-to
1-4
Publisher name
VŠB-TU Ostrava
Place of publication
Ostrava, Czech Republic
Event location
Kouty nad Desnou
Event date
May 20, 2015
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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