Invention Grant
- Patent Title: LED lighting device and illumination apparatus including same
- Patent Title (中): LED照明装置及包括其的照明装置
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Application No.: US13398078Application Date: 2012-02-16
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Publication No.: US08723436B2Publication Date: 2014-05-13
- Inventor: Koji Watanabe , Hiromitsu Mizukawa , Kenji Matsuda
- Applicant: Koji Watanabe , Hiromitsu Mizukawa , Kenji Matsuda
- Applicant Address: JP Osaka
- Assignee: Panasonic Corporation
- Current Assignee: Panasonic Corporation
- Current Assignee Address: JP Osaka
- Agency: Bacon & Thomas, PLLC
- Priority: JP2011-035791 20110222
- Main IPC: H05B37/02
- IPC: H05B37/02

Abstract:
An LED lighting device includes two or more switching circuits connected between a power source and an LED (light emitting diode) unit, an inrush current limiting circuit which limits an inrush current flowing through the LED lighting device when power is turned on and a trigger circuit which generates a trigger signal of an operation/non-operation of the inrush current limiting circuit from the switching circuits. Further, the inrush current limiting circuit is set in a non-operation state when any one of the switching circuits is started first.
Public/Granted literature
- US20120212148A1 LED LIGHTING DEVICE AND ILLUMINATION APPARATUS INCLUDING SAME Public/Granted day:2012-08-23
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