Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
COMPOSITION FOR LIQUID CRYSTAL ORIENTED FILM, PRODUCTION OF LIQUID CRYSTAL ORIENTED FILM, LIQUID CRYSTAL ORIENTED FILM, LIQUID CRYSTAL CLAMPING SUBSTRATE AND LIQUID CRYSTAL DISPLAY ELEMENT
Document Type and Number:
Japanese Patent JPH06194670
Kind Code:
A
Abstract:

PURPOSE: To provide a composition for the liq. crystal oriented film capable of changing the pretilt angle without changing the characteristic of a liq. crystal display element.

CONSTITUTION: This composition for a liq. crystal oriented film contains (1) a polyamic acid soln. obtained by allowing a diamine compd. to react with tetracarboxylic dianhydride in a solvent and (2) a diamine compd. shown by the general formula (where X is -(OCH2CH2)mO, and (m) is an integer of 1 to 5) or shown by -(OCH2)- ((n) is an integer of 1 to 14). The liq. crystal oriented film, etc., are obtained by using the compd.


Inventors:
KAWAKAMI MASAHIRO
OKUDA NAOKI
ODAGIRI HIROYUKI
SATO NINTEI
Application Number:
JP34304792A
Publication Date:
July 15, 1994
Filing Date:
December 24, 1992
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
HITACHI CHEMICAL CO LTD
International Classes:
G02F1/1337; (IPC1-7): G02F1/1337
Attorney, Agent or Firm:
Kunihiko Wakabayashi