A study on the radiation heat transfer effect of CNT coating for the single-chip COB LED
Source abstract
Abstract
In this study, the radiation heat transfer effect of carbon nanotube (CNT) coating on a heat sink with a single-chip COB (chip-on-board) light-emitting diode (LED) was investigated by assessing the junction temperature and thermal resistance. The junction temperature was measured using an infrared camera, and was also simulated using a computational fluid dynamics (CFD) software. The emissivity effects of different CNT volume fraction cases in the coating material were compared. The experiment results showed that the LED chip with the smaller CNT volume fraction had a higher junction temperature. In addition, for accurate results, the emissivity of the CNT coating depending on different CNT volume fractions was determined by comparing the CFD temperature result with the result obtained from the experiment.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: GaN-based semiconductor devices and materials · Thermal Radiation and Cooling Technologies · Photocathodes and Microchannel Plates
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (16)
Show source-provided references
1. 10.1002/978047082785710.1002/9780470827857 ↗
2. 10.1126/science.110871210.1126/science.1108712 ↗
3. 10.1109/JPROC.2005.85353710.1109/JPROC.2005.853537 ↗
4. 10.1088/0034-4885/69/12/R0110.1088/0034-4885/69/12/R01 ↗
5. 10.1109/JPROC.2009.203166910.1109/JPROC.2009.2031669 ↗
6. DOE, US DOE editor (2006).
7. 10.1889/1.290503610.1889/1.2905036 ↗
8. 10.1016/j.applthermaleng.2008.06.02310.1016/j.applthermaleng.2008.06.023 ↗
9. 10.1016/j.mejo.2006.09.00410.1016/j.mejo.2006.09.004 ↗
10. 10.1016/j.icheatmasstransfer.2008.11.01510.1016/j.icheatmasstransfer.2008.11.015 ↗
11. 10.1109/JDT.2005.85251010.1109/JDT.2005.852510 ↗
12. 10.1016/j.jcrysgro.2004.04.07110.1016/j.jcrysgro.2004.04.071 ↗
13. M. Arik, C. Becker, S. Weaver, and J. Petroski, SPIE's 48th Annual Meeting, Int. Society for Optics and Photonics, San Diego, CA, 2004.
14. 10.1115/1.275395810.1115/1.2753958 ↗
15. 10.1016/j.physleta.2005.08.00110.1016/j.physleta.2005.08.001 ↗
16. 10.1109/TCPMT.2012.221290110.1109/TCPMT.2012.2212901 ↗