US Patent No. 10,386,053

HEATSINK AND LUMINAIRE


Patent No. 10,386,053
Issue Date August 20, 2019
Title Heatsink And Luminaire
Inventorship Qun Lou, Shanghai (CN)
Thijmen Galekop, Hilversum (NL)
Lei Sui, Shanghai (CN)
Huaizhou Liao, Shanghai (CN)
Xingpeng Yang, Shanghai (CN)
Shan Wang, Shanghai (CN)
Zhen Yi Zheng, Shanghai (CN)
Assignee SIGNIFY HOLDING B.V., Eindhoven (NL)

Claim of US Patent No. 10,386,053

1. A luminaire comprising:a heatsink comprising:
a rim having a first rim section, a second rim section and an intermediate rim section in between the first rim section and the second rim section,
a first heatsink region comprising a mounting region and a plurality of first fins extending from the mounting region to at least one of the first rim section and the second rim section, and
a second heatsink region comprising a plurality of second fins looping from the intermediate rim section;
wherein at least a portion of gaps allows air flowing therethrough at a direction from a first side of the mounting region and a second side of the mounting region opposite the first side, or vice versa, which gaps are delimited by the first fins, the second fins and/or the rim;
a light module mounted in the mounting region and thermally coupled to the first heatsink region, the light module comprising at least one light engine and a controller for the at least one light engine; and
a sensor mounted on the second heatsink region, the sensor being communicatively coupled to the controller, the controller being adapted to control the at least one light engine in response to a sensor signal from the sensor.