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, 2007
Filed:
Mar. 22, 2004
Yukihiro Shimizu, Nara, JP;
Yukihiro Shimizu, Nara, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A source driver includes a hold memory circuit and a switch circuit. The hold memory circuit includes (i) delay circuits for delaying an inputted horizontal synchronization signal, (ii) hold latch cells each for latching display data in accordance with the horizontal synchronization signal that has been delayed by the delay circuit, and (iii) a control circuit for outputting a display start signal to the switch circuit upon receipt of the horizontal synchronization signal that has been delayed by the delay circuit. The switch circuit outputs a plurality of driving signals in accordance with the display start signal. This allows the peak value of the power source current to be reduced, and enables to avoid the malfunction of the source driver due to the misidentification of the horizontal synchronization signal and to avoid that the output timing becomes nonuniform.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile