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http://dx.doi.org/10.4313/JKEM.2013.26.6.488

Applications of Current Limiting Diode to Chip on Board Type Light Source and Lighting Equipment Circuits  

Park, Hwa Jin (Department of Electronics Engineering, Sunmoon University)
Yu, S.J. (Department of Electronics Engineering, Sunmoon University)
Park, Jong Min (Department of Electronics Engineering, Sunmoon University)
Kim, Y.J. (Heesung Material LTD.)
Publication Information
Journal of the Korean Institute of Electrical and Electronic Material Engineers / v.26, no.6, 2013 , pp. 488-492 More about this Journal
Abstract
Current limiting diode (CLD) was fabricated using junction field effect transistor (JFET) structured two small cells and eight large cells. Two small cells and eight large cells were connected in parallel and the obtained constant current was 110 mA. The application of CLD in each of the parallel circuits on chip on board (COB) type LED lighting source, could significantly reduce the current deviation within the parallel circuits. The applications of CLD on AC power small lighting source, battery power low voltage parallel lighting source and AC flat lighting source were investigated.
Keywords
CLD; LED; COB lighting source; Lighting circuit; Ripple current; Circuit protection;
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