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:
Nov. 22, 2016
Filed:
Nov. 22, 2013
Applicant:
Epistar Corporation, Hsinchu, TW;
Inventors:
Sheng-Chieh Tai, Taichung County, TW;
Wen-Yung Yeh, Hsinchu County, TW;
Yi-Jen Chan, Taoyuan County, TW;
Assignee:
EPISTAR CORPORATION, Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 37/02 (2006.01); G09G 3/36 (2006.01); H05B 41/16 (2006.01); H05B 33/08 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3696 (2013.01); H05B 33/0803 (2013.01); H05B 37/02 (2013.01); H05B 41/16 (2013.01);
Abstract
An alternating current (AC) light emitting device includes an AC light emitting diode (LED) module and a waveform modulation unit. The AC LED module includes at least two sets of micro-diodes. The waveform modulation unit coupled between the AC LED module and an AC voltage source modulates a waveform of the AC voltage source.