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:
May. 11, 1976
Filed:
Feb. 21, 1974
Applicant:
Inventors:
Fumio Nakano, Hitachi, JA;
Kazuhisa Toriyama, Hitachi, JA;
Noboru Nagata, Hitachi, JA;
Mikio Sato, Hitachi, JA;
Assignee:
Hitachi, Ltd., , JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ; G02F / ; G02F / ;
U.S. Cl.
CPC ...
252299 ; 2323 / ; 252408 ; 3501 / ;
Abstract
A nematic liquid crystal composition having an improved responsibility to a pulsating driving voltage and a prolonged descent time of dynamic scattering mode which comprises a predominant amount of a nematic liquid crystal having properties of dynamic scattering mode, 0.1 to 1 % by weight of a cholesteric compound and 0.01 to 5 % by weight of a halide of an organic quaternary nitrogen compound.