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:
Aug. 12, 2025
Filed:
Sep. 10, 2021
Lg Innotek Co., Ltd., Seoul, KR;
Kwang Soon Jung, Seoul, KR;
Seung Min Lee, Seoul, KR;
LG INNOTEK CO., LTD., Seoul, KR;
Abstract
A bridgeless power factor-improving converter according to one embodiment of the present invention comprises: a power input unit for receiving power; a first rectifying unit and a second rectifying unit for rectifying the received power; and a power factor-improving switch unit that is connected to the first rectifying unit and the second rectifying unit and improves a power factor according to an on/off operation. The second rectifying unit includes a second upper switch and a second lower switch, wherein the second upper switch is driven by being connected to a driving power source of the power factor-improving switch unit.