Development of 30Watt high-power LEDs vapor chamber-based plate

Jung Chang Wang*, Rong Tsu Wang, Tien Li Chang, Daw Shang Hwang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

98 Citations (Scopus)


This study utilizes experimental analysis with window program VCTM V1.0 to investigate the thermal performance of the vapor chamber and apply to 30. Watt high-power LEDs. The thermal experiment method is derived a novel empirical formula for the effective thermal conductivity of the vapor chamber and calculated its thermal performance. Results show that the maximum effective thermal conductivity is 870 W/m °C from the novel empirical formula, and comparing it with the experimental value, the calculating error is no more than ±5%. And the LED vapor chamber-based plate works out hot-spot problem of 30. Watt high-power LEDs, successfully.

Original languageEnglish
Pages (from-to)3990-4001
Number of pages12
JournalInternational Journal of Heat and Mass Transfer
Issue number19-20
Publication statusPublished - 2010 Sept
Externally publishedYes


  • Effective thermal conductivity
  • High-power LEDs
  • Hot-spot
  • Vapor chamber

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanical Engineering
  • Fluid Flow and Transfer Processes


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