Liquid crystal compounds with branched or cyclic end groups
US7462427B2 · kind B2 · utility
9Cited by
6References
9Claims
0Family size
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Key dates
| Filing date | Sep 12, 2002 |
| Grant date | Dec 9, 2008 |
| Priority date | — |
| Expiry date | Jun 9, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2019/3416
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The use of a mesogenic compound having a terminal end chain comprising carbon, oxygen, or sulphur, which has at least one pendent C1-4alkyl, C1-4alkoxy or a cycloalkyl ring, arranged no more than 6 atoms from the end of the chain either decreasing the melting point, increasing the clearing point, increasing the speed of switching and/or increasing the tilt angle of a liquid crystal mixture. Examples of such compounds are of formula (I)
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