Synchronous rectification is applied in switched mode circuits for reducing conduction losses in low-voltage and high-current applications. The self-driven AC-DC synchronous rectification technique developed by CityU can be used to fabricate an AC-DC synchronous rectifier that behaves like a diode b.....
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The project aims to develop (i) high-efficiency transparent organic light-emitting diode (OLED) light sources for intelligent lightings for home, offices and automobiles, and (ii) technology for enhancing optical extraction efficiency over the conventional OLED designs. To achieve the goal, the team.....
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The invention relates to a patch antenna with a very wide bandwidth, and which is specially designed for mobile vehicle communication. The antenna is made up of a power feeder and a folding component. With a bandwidth covering 1.78 GHz to 3.6 GHz, the antenna can support 2G, 3G, wireless LAN, Blueto.....
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Existing methods for multi-string applications require many windings in the isolation transformers because each converter output needs one winding. This invention, a dimmable LED driver, can reduce the number of windings. It also possesses a two-secondary-winding structure to generate several source.....
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The invention is a new photocatalyst used for the degradation of organic pollutants such as BPA, Orange G, calmagite and methylene blue in waste water.
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