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:
Jul. 03, 2012
Filed:
Feb. 08, 2009
Applicant:
Da-rong Huang, Tainan County, TW;
Inventor:
Da-Rong Huang, Tainan County, TW;
Assignee:
Himax Technologies Limited, Fonghua Village, Xinshi Dist., Tainan, TW;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
Abstract
A source driver includes an amplifier, and the amplifier includes an input stage, an output stage, a first current source, a second current source, a third current source, and a switch module. The first current source is utilized to provide a first bias current to the input stage, the second current source is utilized to provide a second bias current to the output stage, and the third current source is utilized to provide a third bias current. The switch module is utilized for selectively connecting the third current source to the input stage or the output stage.