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:
Feb. 03, 2015
Filed:
Aug. 24, 2012
Applicants:
Yu-chun Chuang, Hsinchu County, TW;
Ruei-iun Pu, Hsinchu, TW;
Inventors:
Yu-Chun Chuang, Hsinchu County, TW;
Ruei-Iun Pu, Hsinchu, TW;
Assignee:
Silicon Touch Technology Inc., Science-Based Industrial Park, Hsin-Chu, TW;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H05B 37/00 (2006.01); H03K 5/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
A low output voltage driver circuit for a light-emitting device is provided according to exemplary embodiments of the present invention. Also, an offset voltage cancellation and/or level shifter is incorporated into the driver circuit to increase the accuracy of the driving current. In addition, an error detection circuit and method are employed in order to adaptively detect the minimum output voltage of the inventive driver circuit.