Title:
制御可能な照明デバイスを用いたＬＥＤ照明回路
Document Type and Number:
Japanese Patent JP6741682
Kind Code:
B2
Abstract:
A circuit and a method for operating LED lighting devices are described. A first LED lighting device and a second LED lighting device are electrically connected in series between first and second lighting circuit terminals. A third lighting circuit terminal is connected between the first and second LED lighting devices. A power supply with a first and second power supply terminals for delivering electrical power to the LED lighting devices is provided. Further, a switching circuit comprises at least a first switching element and second switching element. The first switching element is connected between the first power supply terminal and the first lighting circuit terminal. The second switching element is connected between the first power supply terminal and the third lighting circuit terminal. The switching circuit receives switching signals sw1, sw2 from a control circuit.
Inventors:
Hilgers, achim
Application Number:
JP2017546953A
Publication Date:
August 19, 2020
Filing Date:
February 29, 2016
Export Citation:
Assignee:
Lumileds Holding Buffet
International Classes:
H05B44/00; H05B45/30; F21S41/663; F21V23/00
Domestic Patent References:
| JP2011238605A | ||||
| JP2014132655A | ||||
| JP2101558U | ||||
| JP2014529865A | ||||
| JP2014061747A |
Foreign References:
| US20100134018 |
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito
Shinsuke Onuki
Tadahiko Ito
Shinsuke Onuki