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. 31, 1990
Filed:
Dec. 28, 1988
Applicant:
Inventors:
Pierre Aigrain, Paris, FR;
Bruno Mourey, Boulogne-Billancourt, FR;
Jean C Dubois, St. Remy les Chevreuses, FR;
Michel Hareng, La Noville, FR;
Philippe Robin, Sceaux, FR;
Assignee:
Thomson-CSF, Paris, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
350333 ; 350334 ; 3503 / ; 3503 / ; 340784 ;
Abstract
In a method of construction of an electrooptical display screen and especially a liquid-crystal screen, a control point of an image element is provided with a coupling element of ferroelectric material between an electrode and a control lead.