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. 26, 1978
Filed:
Dec. 21, 1977
Applicant:
Inventor:
Shunichi Sano, Zama, JP;
Assignee:
Tokyo Shibaura Electric Co., Ltd., Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
C03C / ; C03C / ;
U.S. Cl.
CPC ...
65 42 ; 65 6 / ; 65 6 / ; 350341 ;
Abstract
A method of treating the substrate for a liquid crystal display device to permit unidirectional alignment of the liquid crystal molecules, comprising the steps of forming a silicon dioxide film on the electrode-bearing surface of a substrate, laminating a silicon film on the silicon dioxide film, rubbing the surface of the silicon film in a predetermined direction, and subjecting the substrate a heat treatment.