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:
Jan. 25, 1977
Filed:
Mar. 13, 1974
Applicant:
Inventor:
Yoshio Yamazaki, Shimosuwa, JA;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ; G02F / ;
U.S. Cl.
CPC ...
3501 / ; 252299 ;
Abstract
A liquid crystal display device comprises a cell of opposed plates, each of which is unidirectionally rubbed, the directions of rubbing being perpendicular to each other and polarizer and analyzer plates at the exterior surfaces of the cell. The cell contains a nematic liquid crystal composition having a net positive dielectric anisotropy. The liquid crystal composition consists of azoxy compounds and nitriles.
Quick Actions:
Yamazaki, Yoshio. (1977). Liquid crystal display device (U.S. Patent No. 4004848). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4004848
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