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:
May. 30, 2017
Filed:
Oct. 04, 2016
Analog Integrations Corporation, Hsin-Chu, TW;
Wei-Ming Chen, Hsin-Chu, TW;
Analog Integrations Corporation, Hsin-Chu, TW;
Abstract
An integrated circuit is suitable for use in an AC LED lamp and is configured to control a power bank coupled between a rectified input voltage and a ground voltage. The AC LED lamp has LED groups arranged in series between the rectified input voltage and the ground voltage. The power bank has a capacitor storing electric energy and a discharge switch coupled between the capacitor and the rectified input voltage. The integrated circuit has a path controller and a bank controller. The path controller controls conduction paths, each coupling a corresponding LED group to the group voltage. The bank controller turns on the discharge switch in response to a first path signal corresponding to a first conduction path, and turns off the discharge switch in response to a second path signal corresponding to a second conduction path. The first and second path signals are different from each other.