Articles with "multichannel led" as a keyword



Peak Current Control of Multichannel LED Driver With Selective Dimming

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Published in 2019 at "IEEE Transactions on Industrial Electronics"

DOI: 10.1109/tie.2018.2856179

Abstract: A novel selective dimming method of the output channels of a multichannel LED driver is proposed in this paper. This LED driver comprises a front-end ac–dc boost power factor correction converter followed by symmetric half-bridge… read more here.

Keywords: led driver; current control; peak current; multichannel led ... See more keywords

Enhancing local color contrast by optimizing multichannel LED light sources

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Published in 2018 at "Optical Engineering"

DOI: 10.1117/1.oe.57.7.074111

Abstract: Abstract. Color perception of an object is tremendously influenced by the spectral power distribution (SPD) of a light source. Therefore, it is of great significance to seek for an optimal SPD to enhance the color… read more here.

Keywords: multichannel led; color; contrast; light sources ... See more keywords