| 摘要 |
<p>A liquid crystal composition suitable for use as a two-frequency material in a two-frequency switching device comprises a mixture of:
<UnorderedLists id="ula01" listStyle="none"><ListItem>a first component comprising at least one diester compound having a formula:
<Chemistry id="chema01" num="0001"><Image id="ia01" he="9" wi="86" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>where E1 and E2 are independently CO.O or O.OC and Q is Cl or CH<Sub>3</Sub>, where R<Sub>1</Sub> is an alkyl or alkoxy group, Z is an cycloalkyl or aryl ring structure and R<Sub>2</Sub> is alkyl, alkoxy, halogen or CN; and a second component comprising at least one compound having a formula:
<Chemistry id="chema02" num="0002"><Image id="ia02" he="8" wi="74" file="IMGA0002.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>wherein R<Sub>3</Sub> and R<Sub>4</Sub> is each independently an alkyl or alkoxy group,
<Chemistry id="chema03" num="0003"><Image id="ia03" he="9" wi="13" file="IMGA0003.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>is a trans-1,4-disubstituted cyclohexane or a benzene ring, Y is a cycloalkyl ring or a benzene ring optionally having a lateral halogen substituent and n is 0 or 1.</ListItem></UnorderedLists></p> |
