Anthraquinone compound, liquid crystal composition, cell and display device employing the same

摘要

A liquid crystal composition comprising at least one liquid crystal compound and at least one anthraquinone compound represented by formula (1) below: Formula (1) (wherein R² to R⁸ each independently represents a hydrogen or substituent; Het is a sulfur or oxygen; B¹ and B² each independently represents an optionally substituted arylene, heteroarylene, cycloalkan-diyl or cycloalken-diyl; Q¹ is a bivalent linking group; C¹ is an optionally substituted alkyl, cycloalkyl, alkoxy, alkokycarbonyl or acyloxy; p, q and r each represents a number from 0 to 5 and n is a number from 1 to 3 satisfying 3<=(p+r)xn<=10; when plural {(B¹)_p-(Q¹)_q-(B²)_r} are present, these may be the same or different) was disclosed