LED lamp and power source module thereof

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United States of America Patent

PATENT NO 12078301
APP PUB NO 20240019088A1
SERIAL NO

18244603

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An LED lamp and a power supply module thereof are provided. The power supply module includes a driving circuit, a OVP circuit, and an impedance detection circuit. The OVP circuit is configured to determine whether an OVP condition is detected by sampling the driving signal, and the impedance detection circuit is configured to determine whether a user touching state is detected. When either the OVP condition or the user touching state is detected, the power switch of the driving circuit will be controlled to limit the amount of a current flowing through the power switch. In addition, the impedance detection circuit could detect the user touching state by comparing signals with a defined level sampled during each pulse, thus enhancing the detection accuracy.

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Patent Owner(s)

Patent OwnerAddress
JIAXING SUPER LIGHTING ELECTRIC APPLIANCE CO LTDNO 1288 JIACHUANG ROAD XIUZHOU DISTRICT JIAXING ZHEJIANG 314031 314031

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Junren Jiaxing, CN 13 167
Hu, Hechen Jiaxing, CN 18 646
Liu, Xintong Shanghai, CN 55 1345
Xiong, Aiming Jiaxing, CN 171 2523
Zhang, Hao Jiaxing, CN 1170 5565

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