Fused ring compound
US7067179B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 10, 1999 |
| Grant date | Jun 27, 2006 |
| Priority date | — |
| Expiry date | Sep 10, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2323/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A novel compound represented by the general formula (I), and a nematic liquid crystal composition incorporating the same.A compound represented by the general formula (I) can be produced industrially extremely easily, as shown in the examples, displays superior compatibility with current general purpose host liquid crystals as a nematic phase, and also shows little crystal precipitation at low temperatures. Moreover, by addition of a small amount of such a compound to a host liquid crystal, the liquid crystal temperature range at low temperatures can be effectively widened without any significant worsening of the various characteristics of the liquid crystal material. Consequently, a compound of the present invention is an extremely useful liquid crystal material which is suitable for various liquid crystal display elements which require a broad operating temperature range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.