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:
Apr. 17, 1990
Filed:
Dec. 09, 1986
Sharp Kabushiki Kaisha, , JP;
Abstract
A drive circuit for use in a matrix type liquid crystal display unit having a liquid crytal display panel with switching elements for addressing. The switching elements are provided at picture elements disposed in a matrix type display pattern. The drive circuit includes a row electrode driver coupled not only with terminals of row electrodes provided at one side of the liquid crystal display panel but also to the terminals of the row electrodes provided at opposite sides of the liquid crytal display panel and a changeover terminal for enabling the row electrode driver to drive the terminals of the row electrodes provided at the one side of the liquid crystal display panel or to drive the terminals of the row electrodes provided at the opposite sides of the liquid crystal display panel.