The invention relates to a method of manufacturing ballasts for high voltage discharge lamps. The method provides the passive LC ballast with an inductance and capacitance derived from a non-linear model. The purpose is to ensure that the lamp operates at a pre-determined lamp power. The ballast is .....
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CityU researchers have developed an efficient thermoelectric modular design for converting heat energy into electrical power. The team aims to identify high-performance thermoelectric materials and to minimize cost. A new nanomaterial is developed for the said purpose. Thermoelectric materials can b.....
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This invention can cancel undesirable noise generated by the components’ parasitic inductances, physical orientation, and the layout of conductive tracks on the printed circuit boards. It can effectively improve the high-frequency response of the entire circuit or system. The invented method can be.....
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To accommodate the minimization of electronic devices, a novel process for the assembly of electronic devices on flexible substrates has been developed. The technology accommodates chip-on-flex (COF) technology which is well suited to portable display applications. The manufacturing method comprises.....
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Recent advances in power electronics and semiconductor technologies and cost reduction of solar panels have profound impact on the commercial acceptance of grid connected photovoltaic (PV) systems. Among various choices, high energy-efficient AC-modules that consist of an inverter are suitable for s.....
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