Seoul Semiconductor's AC LED product Acriche has been mass-produced in Q1 2010 and does not require additional converters.
At present, the efficiency of the 100 lm/W Acriche has increased by 25%, reaching the same level as conventional products using AC-DC converters. The company claims that by integrating several 10 small-sized lighting units onto one LED chip, it can be powered by high-voltage alternating current. The LED bulb products made with such chips are 10 times brighter than incandescent lamps.
In addition, the AC-powered Acriche makes it possible to switch on twice in one cycle (1 Hz), and the operating characteristics are as efficient as multiplying the frequency. At 60 Hz AC, its operating frequency is 120 Hz, so the flicker observed at 80 Hz or lower can generally be avoided.
Seoul Semiconductor stated that it will continue to develop more applications that meet customer needs based on Acriche's patented technology.
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