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
- Patent Title: AC direct drive lighting system for providing uniform light distribution
- Patent Title (中): 交流直接驱动照明系统,提供均匀的光分布
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Application No.: US14547556Application Date: 2014-11-19
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Publication No.: US09386644B2Publication Date: 2016-07-05
- Inventor: Kyeongtae Moon , Jae Hong Jeong , Minjong Kim , Weifeng Chen , Juhwan Jeong
- Applicant: Altoran Chips & Systems
- Agency: Patent Office of Dr. Chung Park
- Main IPC: H05B33/08
- IPC: H05B33/08

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.
Public/Granted literature
- US20150137696A1 AC Direct Drive Lighting System for Providing Uniform Light Distribution Public/Granted day:2015-05-21
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