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Thermal effects of packaging material and structure on high power white LEDs

  • Beihang University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The heat dissipation is a crucial factor for the reliability of high power white LEDs(HPLEDs). In this paper, a novel thermal pad structure is presented for HPLEDs, a theoretic thermal transfer model is built to analyze the thermal transferring in LED component. Besides, the thermal simulations of the LED component with the typical or the novel thermal pad are conducted, the temperature distributions are obtained to assess the thermal performance of the LED components. Moreover, the material of the substrate is changed into FR4 to investigate the advantage of the novel thermal pad structure in LED component. The thermal conductivity gap between the thermal pad and the packaging material is recognized as the most important factor on the selection of thermal pad structure.

Original languageEnglish
Title of host publication2016 17th International Conference on Electronic Packaging Technology, ICEPT 2016
EditorsKeyun Bi, Sheng Liu, Shengjun Zhou
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1350-1354
Number of pages5
ISBN (Electronic)9781509013968
DOIs
StatePublished - 4 Oct 2016
Event17th International Conference on Electronic Packaging Technology, ICEPT 2016 - Wuhan, China
Duration: 16 Aug 201619 Aug 2016

Publication series

Name2016 17th International Conference on Electronic Packaging Technology, ICEPT 2016

Conference

Conference17th International Conference on Electronic Packaging Technology, ICEPT 2016
Country/TerritoryChina
CityWuhan
Period16/08/1619/08/16

Keywords

  • heat dissipation
  • LEDs
  • reliability
  • thermal pad
  • thermal simulation

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