Invention Grant
- Patent Title: Method of controlling a lighting arrangement, a lighting control circuit and a lighting system
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Application No.: US17625014Application Date: 2020-07-07
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Publication No.: US11641703B2Publication Date: 2023-05-02
- Inventor: Theo Gerrit Zijlman , Henricus Marius Joseph Maria Kahlman
- Applicant: SIGNIFY HOLDING B.V.
- Applicant Address: NL Eindhoven
- Assignee: SIGNIFY HOLDING B.V.
- Current Assignee: SIGNIFY HOLDING B.V.
- Current Assignee Address: NL Eindhoven
- Priority: EP19185137 20190709,EP19186930 20190718
- International Application: PCT/EP2020/069054 WO 20200707
- International Announcement: WO2021/005027 WO 20210114
- Main IPC: H05B45/18
- IPC: H05B45/18 ; H05B45/34 ; H05B45/46 ; H05B45/347 ; H05B45/325 ; H05B45/375
Abstract:
A lighting arrangement such as a LED lamp comprises a light source and associated current driver, or a set of at least two parallel light sources and associated current drivers, supplied by a DC voltage from a voltage-regulated power converter. A feedback circuit provides a temperature-dependent control input to a control loop of the power converter, such that the DC voltage is adjusted in dependence on a sensed temperature. In this way, the voltage headroom required can be reduced, and efficiency gains are made.
Public/Granted literature
- US20220295611A1 METHOD OF CONTROLLING A LIGHTING ARRANGEMENT, A LIGHTING CONTROL CIRCUIT AND A LIGHTING SYSTEM Public/Granted day:2022-09-15
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