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.

Date of Patent:
May. 26, 1998

Filed:

Jan. 28, 1997
Applicant:
Inventors:

Shigeaki Mizushima, Ikoma, JP;

Noriko Watanabe, Nara, JP;

Hiroko Iwagoe, Yamatokooriyama, JP;

Seiji Makino, Tenri, JP;

Sigeo Kawamura, Yokohama, JP;

Yusuke Tsuda, Yokohama, JP;

Nobuo Bessho, Yokohama, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; G02F / ;
U.S. Cl.
CPC ...
528353 ; 528125 ; 528172 ; 528173 ; 528185 ; 528188 ; 528220 ; 528229 ; 528350 ; 528128 ; 428-1 ; 4284735 ; 359 75 ; 359 36 ;
Abstract

A liquid crystal aligning agent comprising a polyamic acid containing an aliphatic and/or alicyclic hydrocarbon group and a polyimide containing an aliphatic and/or alicyclic hydrocarbon group; and a liquid crystal display device using the liquid crystal aligning agent. This liquid crystal aligning agent gives a liquid crystal aligning film which has good liquid crystal aligning property and in which pretilt angle can be changed by radiation with a small energy and which is suitable for domain-divided alignment type liquid crystal display having a wide view angle.


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