Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/1594
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dc.contributorDepartment of Electrical Engineering-
dc.creatorKwok, KF-
dc.creatorDivakar, BP-
dc.creatorCheng, KWE-
dc.date.accessioned2014-12-11T08:26:34Z-
dc.date.available2014-12-11T08:26:34Z-
dc.identifier.isbn978-988-17471-3-6-
dc.identifier.urihttp://hdl.handle.net/10397/1594-
dc.language.isoenen_US
dc.publisherPower Electronics Research Centre, The Hong Kong Polytechnic Universityen_US
dc.rightsCopyright © The Hong Kong Polytechnic University 2009.en_US
dc.subjectLEDen_US
dc.subjectThermal designen_US
dc.subjectLuminous efficiencyen_US
dc.subjectConstant current poweren_US
dc.subjectVehicle lightingen_US
dc.titleDesign of an LED thermal system for automotive systemsen_US
dc.typeConference Paperen_US
dc.description.otherinformationAuthor name used in this publication: K. W. E. Chengen_US
dcterms.abstractThe paper examines the high power Light Emitted diode (LED) and the hear distribution of the heat sink. Beside we also study the relationship between temperature and the current on the LEDs luminous efficiency. The temperature rise to over the limit level that the luminous efficiency will decrease rapidly. The current increase will cause the nonequilibrium electron diffuse out of the potential wall and will increase the temperature, so as to decrease luminous efficiency and the LEDs life [1]. Enhancing the heat manage of LEDs that can improve the luminous efficiency. Thermal design examines by using the thermal analysis. Finally we propose the electrical circuit to drive the LEDs in constant current power to maintain the temperature more constant of LEDs.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationPESA 2009 : International Conference on Power Electronic Systems and Applications : 20th-22nd May 2009, p. [1-4]-
dcterms.issued2009-
dc.identifier.isiWOS:000273501600058-
dc.identifier.scopus2-s2.0-70350458858-
dc.relation.ispartofbookPESA 2009 : International Conference on Power Electronic Systems and Applications : 20th-22nd May 2009-
dc.description.oaVersion of Recorden_US
dc.identifier.FolderNumberOA_IR/PIRAen_US
dc.description.pubStatusPublisheden_US
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