Title:
LIQUID CRYSTAL BASE COMPOSITION FOR ELECTROOPTIC DEVICE
Document Type and Number:
Japanese Patent JPS56141377
Kind Code:
A
Abstract:
The liquid crystal-base composition for an electro-optical device contains an anthraquinone pleochroic coloring agent of formula (I) as defined in claim 1, that is to say, with in particular at least one hydroxy or amino group in position 1 and a heterocyclic side chain which is directly substituted in position 2, or 2 and 6, or 3, or 3 and 7. The compounds (I) have a high order parameter and are stable, thereby imparting to the compositions the properties required for use thereof for example in a display device. (I)
Inventors:
JIYAKU KOGUNAARU
TORUN HIIYU FUAN
TORUN HIIYU FUAN
Application Number:
JP3370081A
Publication Date:
November 05, 1981
Filing Date:
March 09, 1981
Export Citation:
Assignee:
ASULAB SA
International Classes:
C09B1/20; C09B1/50; C09B1/54; C09K19/60; G02F1/13; (IPC1-7): C09K3/34; G02F1/137; G09F9/00; G09F9/35