Abstract: This paper presents a subband-decomposed image-enhancement algorithm that can preserve the luminance and contrast levels in power-controllable thin-film-transistor liquid-crystal display ...
Abstract: A compact LED driver with high power factor and low harmonic distortion is proposed for the AC direct LED lighting. For the compact implementation of LED lamp, all the bulky passive ...
Key Laboratory of Materials Physics, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, China, and Department of Physics, University at Buffalo, State University of New York, ...
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