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:
Jan. 06, 2009
Filed:
Dec. 23, 2005
Applicants:
Enboa Wu, Irvine, CA (US);
Ming LU, Sijhih, TW;
Geoffrey Wan Tai Shuy, New Territories, CN;
Inventors:
Assignee:
Hong Kong Applied Science and Technology, New Territories, Hong Kong SAR, HK;
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/32 (2006.01);
U.S. Cl.
CPC ...
Abstract
A light emitting device includes a time delay mechanism in electrical connection with a power source for time shifting at least a portion of a power signal outputted by the power source and a plurality of light emitting units formed by at least a light emitting diode (LED)structure, each light emitting unit being driven alternately and sequentially using the power source and the time delay mechanism.
Wu, Enboa. (2009). Light emitting device (U.S. Patent No. 7474287). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7474287
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile