Matches in SemOpenAlex for { <https://semopenalex.org/work/W49681346> ?p ?o ?g. }
Showing items 1 to 81 of
81
with 100 items per page.
- W49681346 endingPage "2280" @default.
- W49681346 startingPage "2276" @default.
- W49681346 abstract "In this paper, we present thermal dependancy of LED package element by changing temperature of MCPCB for design high efficiency LED lamp, and confirmed influence of LED chip against temperature with analysis of thermal resistance and thermal capacitance. As increasing temperature, WPOs were decreased from 25 to 22.5 [%] and optical power were also decreased. that is decreased reason of optical power that forward voltage was declined by decrease of energy bandgap. Therefore optical power by temperature of MCPCB should consider to design lamp for street light and security light. Moreover, compensation from declined optical efficiency is demanded when LED package is composed. Also, thermal resistances from chip to metal PCB were decreased from 12.18 to 10.8[] by changing temperature. Among the thermal resistances, the thermal resistance form chip to die attachment was decreased from 2.87 to 2.5[] and was decreased 0.72[] in Heat Slug by chaning temperature. Therefore, because of thermal resistance gap in chip and heat slug, reliability and endurance of high power LED affect by increasing non-radiative recombination in chip from heat." @default.
- W49681346 created "2016-06-24" @default.
- W49681346 creator A5020502126 @default.
- W49681346 creator A5042230083 @default.
- W49681346 creator A5042543226 @default.
- W49681346 creator A5067591209 @default.
- W49681346 creator A5070093971 @default.
- W49681346 date "2008-01-01" @default.
- W49681346 modified "2023-09-24" @default.
- W49681346 title "Optical and Thermal Influence Analysis of High-power LED by MCPCB temperature" @default.
- W49681346 hasPublicationYear "2008" @default.
- W49681346 type Work @default.
- W49681346 sameAs 49681346 @default.
- W49681346 citedByCount "0" @default.
- W49681346 crossrefType "journal-article" @default.
- W49681346 hasAuthorship W49681346A5020502126 @default.
- W49681346 hasAuthorship W49681346A5042230083 @default.
- W49681346 hasAuthorship W49681346A5042543226 @default.
- W49681346 hasAuthorship W49681346A5067591209 @default.
- W49681346 hasAuthorship W49681346A5070093971 @default.
- W49681346 hasConcept C119599485 @default.
- W49681346 hasConcept C120665830 @default.
- W49681346 hasConcept C121332964 @default.
- W49681346 hasConcept C127413603 @default.
- W49681346 hasConcept C128014804 @default.
- W49681346 hasConcept C137376228 @default.
- W49681346 hasConcept C137693562 @default.
- W49681346 hasConcept C165005293 @default.
- W49681346 hasConcept C167781694 @default.
- W49681346 hasConcept C191161701 @default.
- W49681346 hasConcept C192562407 @default.
- W49681346 hasConcept C204530211 @default.
- W49681346 hasConcept C49040817 @default.
- W49681346 hasConcept C520434653 @default.
- W49681346 hasConcept C97355855 @default.
- W49681346 hasConceptScore W49681346C119599485 @default.
- W49681346 hasConceptScore W49681346C120665830 @default.
- W49681346 hasConceptScore W49681346C121332964 @default.
- W49681346 hasConceptScore W49681346C127413603 @default.
- W49681346 hasConceptScore W49681346C128014804 @default.
- W49681346 hasConceptScore W49681346C137376228 @default.
- W49681346 hasConceptScore W49681346C137693562 @default.
- W49681346 hasConceptScore W49681346C165005293 @default.
- W49681346 hasConceptScore W49681346C167781694 @default.
- W49681346 hasConceptScore W49681346C191161701 @default.
- W49681346 hasConceptScore W49681346C192562407 @default.
- W49681346 hasConceptScore W49681346C204530211 @default.
- W49681346 hasConceptScore W49681346C49040817 @default.
- W49681346 hasConceptScore W49681346C520434653 @default.
- W49681346 hasConceptScore W49681346C97355855 @default.
- W49681346 hasIssue "12" @default.
- W49681346 hasLocation W496813461 @default.
- W49681346 hasOpenAccess W49681346 @default.
- W49681346 hasPrimaryLocation W496813461 @default.
- W49681346 hasRelatedWork W1982112998 @default.
- W49681346 hasRelatedWork W2008207256 @default.
- W49681346 hasRelatedWork W2018773675 @default.
- W49681346 hasRelatedWork W2032232846 @default.
- W49681346 hasRelatedWork W2039167336 @default.
- W49681346 hasRelatedWork W2075372859 @default.
- W49681346 hasRelatedWork W2085833331 @default.
- W49681346 hasRelatedWork W2092336195 @default.
- W49681346 hasRelatedWork W2135546093 @default.
- W49681346 hasRelatedWork W2136793544 @default.
- W49681346 hasRelatedWork W2163682953 @default.
- W49681346 hasRelatedWork W2224330995 @default.
- W49681346 hasRelatedWork W2351427373 @default.
- W49681346 hasRelatedWork W2366445143 @default.
- W49681346 hasRelatedWork W2371709901 @default.
- W49681346 hasRelatedWork W2375606128 @default.
- W49681346 hasRelatedWork W2387329802 @default.
- W49681346 hasRelatedWork W2784165921 @default.
- W49681346 hasRelatedWork W2900245527 @default.
- W49681346 hasRelatedWork W3213910127 @default.
- W49681346 hasVolume "57" @default.
- W49681346 isParatext "false" @default.
- W49681346 isRetracted "false" @default.
- W49681346 magId "49681346" @default.
- W49681346 workType "article" @default.