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:
Jun. 30, 1987
Filed:
Jun. 10, 1985
Applicant:
Inventor:
Shizuhisa Watanabe, Katsuta, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
350332 ; 350333 ;
Abstract
In a circuit for driving a liquid crystal display element, during a latter half part of an indication renewal period a common electrode is supplied with lower maximum and higher minimum voltages than the maximum and minimum voltages supplied during a first half part of the indication renewal period, in order to enhance response speed of the liquid crystal display element.