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. 28, 1989
Filed:
Dec. 17, 1986
Applicant:
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F / ; G02F / ; C09K / ; C09K / ;
U.S. Cl.
CPC ...
350337 ; 25229901 ; 2522995 ; 25229961 ; 25229963 ; 350334 ; 350346 ; 3503 / ; 3503 / ;
Abstract
A liquid crystal display device including a nematic liquid crystal composition having a twist angle of 160.degree. to 260.degree. of liquid crystal molecules and at least one compound of the formula: ##STR1## (m, n=1-7) further improved in time-multiplexability and display quality.