AC LED light bulb can be plugged directly intobulb socket without any converters. While standard power LEDs operate from DC supply with a voltage approx. 3.5 VAC, AC LED chips are capable of operating directly from an AC supply with 110~240VAC. The micro-LED array consists of several tens on nitride LED devices fabricated on a single semiconductor chip. The emitters can be individually addressed so that the chips acts as a multi-pixel micro-display. The technology eliminates the need of AC-DC power converter, which is expected to lead to significant cost savings, while the chip-level architecture could lead to efficiency improvements if compared with a single-chip high-power Led's.The main advantage is the compatibility with the existing lighting fixtures and electricity infrastructure.
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