US Patent No. 11,071,183

LIGHTING APPARATUS


Patent No. 11,071,183
Issue Date July 20, 2021
Title Lighting Apparatus
Inventorship Hongji Chen, Fujian (CN)
Hongbu Lin, Fujian (CN)
Jianhui Cao, Fujian (CN)
Assignee XIAMEN LEEDARSON LIGHTING CO.LTD., Xiamen (CN)

Claim of US Patent No. 11,071,183


1. A lighting apparatus, connecting to a dimmer and an external power source, comprising:a light source; and
a driver for converting the external power source to a driving current supplied to the light source, the driver comprising a rectifier module, a constant voltage module, a control module, a constant current module, and a power module, wherein the rectifier module is connected to the dimmer for rectifying a dimming voltage to a rectified voltage, the constant voltage module is connected to the rectifier module for providing a first constant voltage power according to the rectified voltage, the control module is connected to the rectifier module for providing a control signal according to the rectified voltage, the constant current module is connected to the constant voltage module and the light source for providing a constant current according to the control signal and the first constant voltage power, the power module is connected to the constant voltage module for providing a supplied voltage according to the first constant voltage power source.