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. 06, 1993
Filed:
Nov. 27, 1989
Minoru Usui, Tokyo, JP;
Casio Computer Co., Ltd., Tokyo, JP;
Abstract
A liquid-crystal display apparatus having scanning electrodes and signal electrodes, both being disposed in a matrix arrangement, which divides a selection period for a scanning electrode by m and performs a display based on same data for m times, and which makes different a wave level of a scanning-electrode driving signal during each divided selection period. A liquid-crystal panel driving circuit for driving a liquid crystal panel having scanning-electrodes and signal electrodes, both being disposed in a matrix arrangement, which divides a selection period for a scanning electrode by m and performs a display based on same data for m times, and which makes different a wave level of a signal-electrode driving signal during each divided selection period. A liquid-crystal panel driving circuit for driving a liquid crystal panel having scanning electrodes and signal electrodes, both being disposed in a matrix arrangement, which divides a selection period for a scanning electrode by m and performs a display based on same data for m times, and which makes different respective wave levels of a signal-electrode driving signal and a scanning-electrode driving signal during each divided selection period.