A compound with branched alkyl group or branched alkenyl group and optical isotropic liquid crystal media and optical device

• Main Authors: SAGOU, KOUKI, HASEBA, YASUHIRO
• Format: Patent
• Language: Chinese; English
• Published: 01.01.2013
• Subjects: ADHESIVES; CHEMISTRY; DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING; DYES; FREQUENCY-CHANGING; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; NON-LINEAR OPTICS; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL LOGIC ELEMENTS; OPTICS; PAINTS; PHYSICS; POLISHES; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF

A compound with branched alkyl group or branched alkenyl group as shown in formula (1) and optical isotropic liquid crystal media (liquid crystal composition or polymer / liquid crystal complex) including the compound and optical device including the liquid crystal media are provided. In formula (I), R1, for example, is branched alkyl group or branched alkenyl group having 3-20 carbons; ring A1, ring A2, ring A3, ring A4 and ring A5, for example, are 1, 4-phenylene, 1, 3- dioxane-2, 5-diyl; Z1, Z2, Z3, and Z4 are independently single bond, or alkylene having 1-4 carbons; Y1, for example, is fluorine; m, n and p are independently 0 or 1, 1 ≤ m+n+p ≤ 3.)