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:
May. 12, 2009
Filed:
Jan. 12, 2007
Applicant:
Yu-jui Chang, Tainan County, TW;
Inventor:
Yu-Jui Chang, Tainan County, TW;
Assignee:
Himax Technologies Limited, Tainan County, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K 19/094 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention discloses a source driver and a level shifting apparatus thereof. The level shifting apparatus is used for shifting a level of a data signal. The level shifting apparatus comprises a first charge pump and a level shifter. The first charge pump supplies a first pumped voltage based on the data signal. The level shifter generates a level-shifted data signal based on the first pumped voltage.