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:
Mar. 27, 2012
Filed:
Jul. 24, 2009
Hsien-ting Huang, Tainan County, TW;
Yaw-guang Chang, Tainan County, TW;
Hsien-Ting Huang, Tainan County, TW;
Yaw-Guang Chang, Tainan County, TW;
Himax Technologies Limited, Sinshih Township, Tainan County, TW;
Abstract
A charge pump with limited peak current and improved application flexibility and an LCD having the same. The charge pump has more than three switches in a charge path and more than three switches in a pump path. Furthermore, the charge pump has a voltage detector detecting voltage of the output terminal of the charge pump and a charge pump controller controlling the switches based on the detected voltage. According to the detected voltage, the charge pump controller determines the number of turning-on switches in the charge path and determines the number of turning-on switches in the pump path.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile