The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 02, 2026
Filed:
Jul. 01, 2022
Lg Innotek Co., Ltd., Seoul, KR;
Jeong Heum Park, Seoul, KR;
Kwang Soon Jung, Seoul, KR;
LG INNOTEK CO., LTD., Seoul, KR;
Abstract
A power conversion device according to one embodiment of the present invention comprises: a plurality of converters comprising at least one upper switch and at least one lower switch, and respectively connected to a plurality of cell strings; and an auxiliary power supply unit for supplying driving power to each of the plurality of converters, wherein the auxiliary power supply unit comprises: a primary-side circuit for receiving the voltage of at least one output terminal from among output terminals of the plurality of cell strings; an insulation type converter for outputting voltage to first secondary-side circuits in accordance with the voltage of the primary-side circuit; and the plurality of first secondary-side circuits for supplying the driving power to each of the upper switch of the plurality of converters by using the voltage output from the insulation type converter, wherein the plurality of converters have a multi-level structure.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile