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:
Sep. 15, 1987
Filed:
Oct. 05, 1984
Applicant:
Inventors:
Andre Chenevas-Paule, Grenoble, FR;
Jean-Frederic Clerc, Meylan, FR;
Assignee:
Commissariat A L'Energie Atomique, Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
G09G / ;
U.S. Cl.
CPC ...
340719 ; 340784 ; 340805 ;
Abstract
Active matrix display screen without intersections of the addressing row and column conductors. The display screen comprises a material with modifiable optical characteristics placed between a first wall and a second transparent wall. On the first wall is formed a matrix of elements, each comprising a switching element constituted by a thin film transistor and an electrode and on which there is also a group of row conductors. The other wall carries a group of column electrodes and a group of column conductors. Application to liquid crystal display screen.