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. 02, 1976
Filed:
Aug. 10, 1973
Applicant:
Inventor:
Shuji Maezawa, Suwa, JA;
Assignee:
Kabushiki Kaisha Suwa Seikosha, Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
3501 / ; 350150 ;
Abstract
In a display device using liquid crystals, including opposed transparent insulating plates which define the volume containing said liquid crystals, the inner surfaces of said transparent plates are oriented as the result of unidirectional rubbing, the direction of rubbing on the opposed plates being at 90.degree. to each other. A device using such plates has a preferred direction for viewing same.