Although Xi'an Mingtai Semiconductor Technology Co., Ltd. has just been established at the beginning of this year, it shows extraordinary skill when it is shot. At the just-concluded IIC Autumn Show Xi'an Station, Mingtai exhibited 20W and 120W LED lighting power supplies with no electrolytic capacitors, with efficiencies of 90% and 95% respectively, targeting the indoor lighting and street lighting markets.
Li Zhiqiang, technical director of Mingtai Semiconductor, said: "These products are all implemented by our own LED driver, MOSFET and Schottky diode. The 120W LED lighting driver is also equipped with complete short circuit and open circuit protection function. EMC certification testing. These two products have a working life of 80,000 hours, effectively overcoming the industry challenges of LED light source and driver power life mismatch."
He further introduced that the 120W LED lighting driver power supply also integrates power line carrier communication, which allows remote lighting to be turned on and off. In the next step, we will also develop dimmable indoor lighting and street lighting solutions based on market demand for electricity.
A longpass (LP) Filter is an optical interference or coloured glass filter that attenuates shorter wavelengths and transmits (passes) longer wavelengths over the active range of the target spectrum (ultraviolet, visible, or infrared). Longpass filters, which can have a very sharp slope (referred to as edge filters), are described by the cut-on wavelength at 50 percent of peak transmission. In fluorescence microscopy, longpass filters are frequently utilized in dichroic mirrors and barrier (emission) filters. Use of the older term 'low pass' to describe longpass filters has become uncommon; filters are usually described in terms of wavelength rather than frequency, and a "low pass filter", without qualification, would be understood to be an electronic filter
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