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Pat. 10492254 United States, Int. Cl.22 H05B 44/00, H02M 1/00, H02M 1/32, H02M 3/156, H02M 3/335, H02M 7/06. Power supply circuit and LED driving circuit : Appl. N 16/049131 : Filed 30.07.2018 : Pub. 26.11.2019 : / Hongbin Lai, Jianxin Wang ; Assignee Hangzhou Silergy Semiconductor Technology Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10492254/en?oq=US10492254.html (дата обращения: ДД.ММ.ГГГГ).