Liquid crystal compound having negative dielectric...

Details Liquid crystal compound having negative dielectric... Liquid crystal compound having negative dielectric...

2011-03-29

2011-03-29

Wu, Shean C (Department: 1722)

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

C252S299610, C252S299630, C549S416000, C549S417000, C549S427000, C549S428000

Reexamination Certificate

active

07914862

ABSTRACT:
A liquid crystal compound is provided that has excellent characteristics, such as a negatively large dielectric anisotropy. A liquid crystal composition containing the compound, and a liquid crystal display device containing the composition are also provided. A compound having the three factors, i.e., (1) a tetrahydropyran ring, (2) —CH2O— or —OCH2— and (3)exhibits excellent characteristics including a negatively large dielectric anisotropy. The use of the compound having the characteristics provides an excellent liquid crystal composition and an excellent liquid crystal display device.

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