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. 30, 1976
Filed:
Mar. 29, 1974
Applicant:
Inventor:
Shuji Maezawa, Suwa, JA;
Assignee:
Kabushiki Kaisha Suwa Seikosha, Tokyo, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
3501 / ;
Abstract
In a field effect twisted nematic mode liquid crystal display device the fraction of the total number of liquid crystal molecules assembled into helical structures having the same direction of twist is greatly increased over that found in the usual construction. A method of preparing the liquid crystal cell to ensure that virtually all of the molecules in the liquid crystal cell are assembled in helices having the same twist direction is also disclosed.