Title:
調光器及びドライバが電気的絶縁構造を有する照明装置及びシステム
Document Type and Number:
Japanese Patent JP6373947
Kind Code:
B2
Abstract:
The present invention relates to a lighting apparatus (200) having an electrical insulation structure of a dimmer and a driver, the apparatus including: an input power supply unit (210); a converter (211) for converting input power into lighting unit supply power; a lighting unit (220) applied with the lighting unit supply power to emit light; a dimmer (240) for inputting a dimming signal for controlling the lighting unit (220); a PWM generation unit (260) for receiving the dimming signal and generating a PWM signal; and a PWM control unit (212) for controlling the lighting unit supply power according to the PWM signal, in which the input power supply unit (210), the converter (211), the lighting unit(220) and the PWM control unit are connected to a first ground (251), the dimmer (240) and the PWM generation unit (260) are connected to a second ground (252), and the first ground (251) is electrically separated from the second ground (252).
Inventors:
Lee, Young Hee
Application Number:
JP2016243218A
Publication Date:
August 15, 2018
Filing Date:
December 15, 2016
Export Citation:
Assignee:
LG Innotek Co., Ltd
International Classes:
H05B37/02; H05B44/00
Domestic Patent References:
| JP2012209052A | ||||
| JP2011510475A | ||||
| JP2015070697A |
Foreign References:
| US20140125248 |
Attorney, Agent or Firm:
Makoto Ono
Kenkyo Kanayama
Kazuki Shigemori
Hidehiko Ichikawa
Yoshikazu Iwase
Kenkyo Kanayama
Kazuki Shigemori
Hidehiko Ichikawa
Yoshikazu Iwase