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. 24, 1981
Filed:
Feb. 21, 1978
Applicant:
Inventors:
Takaharu Suzuki, Tokyo, JP;
Hiroshi Shimizu, Kawagoe, JP;
Assignee:
Citizen Watch Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
350349 ; 350340 ;
Abstract
A liquid crystal color display cell utilizing a Guest-host effect and capable of displaying at least two colors whose color phases are different from each other. The cell comprises a liquid crystal layer sandwiched between a pair of opposed substrates and composed of liquid crystal molecules inclined at an angle within a range between 60.degree. and 90.degree. with respect to each of the substrates. The inclination of the liquid crystal molecules is aligned in one direction and the liquid crystal molecules have a twisted construction between the substrates.