Invention Grant
US09386644B2 AC direct drive lighting system for providing uniform light distribution 有权
交流直接驱动照明系统,提供均匀的光分布

AC direct drive lighting system for providing uniform light distribution
Abstract:
An AC lighting system for providing uniform light distribution is disclosed. According to one embodiment, the AC lighting system includes an AC driver and LED packages electrically connected to the AC driver. Each LED package includes a plurality of LED elements and is physically distributed over an illuminating surface of the AC lighting system. The AC driver has a first current sink that drives a first LED group and a second current sink that drives the first LED group and a second LED group. The first LED group includes at least one LED element from each of the LED packages, and the second LED group includes at least one LED element other that the first set of LED elements from each of the LED packages.
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