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Patent Searching and Data


Title:
OPTICALLY ANISOTROPIC FILM
Document Type and Number:
Japanese Patent JPH09304618
Kind Code:
A
Abstract:

To facilitate the production of an optically anisotropic film and to improve the display characteristic of a liq. crystal display by applying the film to the display by incorporating a specified amt. of at least one kind selected from among specified compds. and orienting the optical axes of the film at a specified angle to the normal of the film on the average.

This optically anisotropic film contains at least 50wt.% of one kind selected from the compds. shown by the formula, and the optical axes of the film are oriented at an angle of 0-90° to the normal of the film on the average. In the formula, A to F are independently 1-22C hydrocarbo groups, heterocyclic compd. groups or a specified group, X1 to X6 are independently -O-, -S-, -COO- or -OCO-, and (a) to (f) are independently 0 or 1.


Inventors:
ONISHI TOSHIHIRO
NOGUCHI MASANOBU
MORIKAWA MICHITAKA
Application Number:
JP12194496A
Publication Date:
November 28, 1997
Filing Date:
May 16, 1996
Export Citation:
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Assignee:
SUMITOMO CHEMICAL CO
International Classes:
G02B5/30; C07D493/04; G02F1/1335; (IPC1-7): G02B5/30; G02F1/1335
Attorney, Agent or Firm:
久保山 隆 (外1名)