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Proceedings Paper

Development of high-power UV LEDs for epoxy curing applications
Author(s): W. H. Liu; C. F. Chu; C. C. Cheng; K. H. Hsu; Y. T. Chung; Y. K. Wang; C. C. Li; J. Y. Chu; F. H. Fan; H. C. Cheng; Y. W. Chen; Y. H. Chang; L. W. Shan; T. Doan; C. Tran
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Paper Abstract

High power near-UV LEDs, with wavelengths from 365nm to 410nm, were realized with an external quantum efficiency from 12% to 45% for 365nm and 410nm, resp. We show that the vertical LED design, coupled with the Silicon sub-mount package, gives very good reliability that is suitable for many high power epoxy and polymer curing applications. UV LEDs are proven to be a good replacement for high power mercury lamps currently used in the market.

Paper Details

Date Published: 17 March 2010
PDF: 7 pages
Proc. SPIE 7602, Gallium Nitride Materials and Devices V, 76021K (17 March 2010); doi: 10.1117/12.845472
Show Author Affiliations
W. H. Liu, SemiLEDs Optoelectronics Corp. (Taiwan)
C. F. Chu, SemiLEDs Optoelectronics Corp. (Taiwan)
C. C. Cheng, SemiLEDs Optoelectronics Corp. (Taiwan)
K. H. Hsu, SemiLEDs Optoelectronics Corp. (Taiwan)
Y. T. Chung, SemiLEDs Optoelectronics Corp. (Taiwan)
Y. K. Wang, SemiLEDs Optoelectronics Corp. (Taiwan)
C. C. Li, SemiLEDs Optoelectronics Corp. (Taiwan)
J. Y. Chu, SemiLEDs Optoelectronics Corp. (Taiwan)
F. H. Fan, SemiLEDs Optoelectronics Corp. (Taiwan)
H. C. Cheng, SemiLEDs Optoelectronics Corp. (Taiwan)
Y. W. Chen, SemiLEDs Optoelectronics Corp. (Taiwan)
Y. H. Chang, SemiLEDs Optoelectronics Corp. (Taiwan)
L. W. Shan, SemiLEDs Optoelectronics Corp. (Taiwan)
T. Doan, SemiLEDs Corp. (United States)
C. Tran, SemiLEDs Corp. (United States)


Published in SPIE Proceedings Vol. 7602:
Gallium Nitride Materials and Devices V
Jen-Inn Chyi; Yasushi Nanishi; Hadis Morkoç; Cole W. Litton; Joachim Piprek; Euijoon Yoon, Editor(s)

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