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:
Feb. 04, 1997
Filed:
Aug. 14, 1995
Applicant:
Inventors:
Takuya Matumoto, Yokohama, JP;
Tadahiro Kaminade, Yokohama, JP;
Nishimura Suzushi, Yokohama, JP;
Shigeki Takigawa, Yokohama, JP;
Assignee:
Nippon Oil Company, Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; G02F / ;
U.S. Cl.
CPC ...
25224901 ; 428-1 ; 349117 ;
Abstract
According to the present invention there is provided a compensator for a liquid crystal display superior in the color compensating performance, capable of making color compensation of a high-speed STN-LCD and capable of freely changing the value of wavelength dispersion. The compensator is obtained by using a liquid crystalline polyester which contains 4-hydroxycinnamic acid units and catechol units as constituent units.