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:
Oct. 31, 1989
Filed:
Oct. 19, 1987
Applicant:
Inventors:
Pascal Thioulouse, Paris, FR;
Ionel Solomon, Boulogne, FR;
Assignee:
Etat Francais Represente par le Ministre des PTT, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09F / ;
U.S. Cl.
CPC ...
313507 ; 313385 ; 3151693 ;
Abstract
An electroluminescent display device uses a photoconductive material which is of hydrogenrated and carbonated amorphous silicon of formula a-Si.sub.x C.sub.1-x ; with 1-x preferably between 0.05 and 0.50 and which has application to display functions.