Patent ID: 6994801
Filing Date: 2006-02-07
Classification: C09K

Abstract:
1. A composition comprised of a liquid crystal and a compound having formula (4) wherein: (a) an atom selected from the group consisting of N, O, S, and P Where The valence of the atom is satisfied by bonding with C4 and optionally with Z4; (b) an atom selected from the group consisting of N, O, S, and P bonded to C4, and optionally with Z4, where the atom also is bonded to at least one other moiety to satisfy the valence of the atom; (c) ferrocenyl; (d) azulenyl; and (e) at least one aromatic heterocyclic ring wherein the compound of formula (4) is selected from the group, consisting of 4-I and 4-II but excluding 4-III: wherein S4, A4, C4, D4, and Z4 are indicated.