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:
Apr. 07, 2020
Filed:
Apr. 30, 2019
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Abstract
A light-emitting diode (LED) lighting device includes (i) a selector circuit that sequentially and cyclically selects a plurality of LED loads one by one, the plurality of LED loads respectively emitting light as a result of being selected, and (ii) a control circuit that controls the selector circuit to cause an intermediate color to be produced by successively generating frames, each frame being a temporal combination of at least one first cycle period and at least one second cycle period, the at least one first cycle period generating a first mixed emission color, and the at least one second cycle period generating a second mixed emission color different from the first mixed emission color.