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:
Mar. 07, 1989
Filed:
Jan. 27, 1988
Applicant:
Inventors:
Nicolas Szydlo, Limours, FR;
Jean N Perbet, Gif sur Yvette, FR;
Rolande Kasprzak, Gif sur Yvette, FR;
Assignee:
Thomson-Csf, Paris, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; G09G / ;
U.S. Cl.
CPC ...
437 15 ; 437101 ; 437175 ; 437189 ; 437193 ; 437228 ; 437233 ; 437966 ; 148D / ; 148D / ; 156653 ; 156657 ; 357-2 ;
Abstract
A method of fabrication of non-linear control elements as applicable to electrooptical displays and in particular to large-area liquid-crystal displays of the flat-panel type, in which the following layers are stacked successively on a substrate: a first layer of metallic material, a first layer of undoped amorphous semiconductor material, a layer of doped amorphous semiconductor material, a second layer of undoped amorphous semiconductor material, and a second layer of metallic material.