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. 09, 1993
Filed:
Dec. 09, 1991
Tokutarou Kusada, Tenri, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A circuit for driving a liquid crystal panel using a plurality of source drivers includes a separate line memory circuit for transmitting color signals to the even and odd line source drivers, respectively. Each line memory circuit includes digital color signal train forming circuits arranged according to a color order of the corresponding source lines upon receipt of analog color signals of the three colors in parallel, memories for successively storing the digital color signal train, circuits for alternately reading a first and second half memory area and circuits for latching and converting the read digital color signals in a prescribed order, to analog color signals of the three signals in parallel and transmitting the analog color signals to the corresponding source drivers.