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LIGHTING DEVICE

  • US 20100277083A1
  • Filed: 07/13/2010
  • Published: 11/04/2010
  • Est. Priority Date: 02/18/2008
  • Status: Abandoned Application
First Claim
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1. A lighting device comprising:

  • a device board;

    a rectification device connected to a commercial power supply;

    a series LED circuit mounted on the device board and configured by connecting in series a plurality of LED elements; and

    a current limiter which is connected in series with the series LED circuit and limits a maximum current flowing through the series LED circuit, whereinan output of the rectification device is applied to a series circuit constituted by the series LED circuit and the current limiter, thereby to light each of the plurality of LED elements, anda number of the plurality of LED elements is set in a manner that a voltage applied to the series LED circuit is 70 to 90% of an output voltage of the rectification device.

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