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:
Oct. 20, 2020
Filed:
Jan. 28, 2019
Xiamen Eco Lighting Co. Ltd., Xiamen, CN;
Hong Kui Jiang, Xiamen, CN;
Hui Wu Chen, Xiamen, CN;
Yan Biao Chen, Xiamen, CN;
Wei Liu, Xiamen, CN;
XIAMEN ECO LIGHTING CO. LTD., Xiamen, CN;
Abstract
A hybrid light emitting device includes a full-wave bridge rectifier, an AC-to-DC converter, a hybrid illumination module, a luminance control module and a linear constant current circuit. The full-wave bridge rectifier transforms a full sinusoidal wave voltage into a positive half sinusoidal wave voltage. The AC-to-DC converter is electrically coupled to the full-wave bridge rectifier. The AC-to-DC converter transforms the positive wave voltage into a constant DC voltage. The hybrid illumination module includes a plurality of illuminating elements having different or partially same luminance properties. The plurality of illuminating elements are disposed in respective proximities. The luminance control module generates a plurality of control signals that determine the duty cycles of the plurality of illuminating elements. The linear constant current circuit controls duty cycles of the plurality of illuminance elements using the plurality of control signals.