Nematic liquid crystal composition
AssigneeChisso Corporation
InventorsDietrich Demus, Itsuo Shimizu, Youji Terui
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Abstract
A nematic liquid crystal composition having a low viscosity is provided, which composition is obtained by mixing two kinds of liquid crystal compositions having a difference of evaporation heats of 800 cal/mol or more and forming no complex; and by notably reducing its viscosity as compared with its ideal viscosity, improvement in the response speed of display element has become possible.
Claims11
A nematic liquid crystal composition comprising two components, each of said components containing at least one compound, wherein the composition does not form a complex and has a viscosity lower than ideal viscosity, and wherein the composition is obtained by blending components having a difference of at least 800 cal/mol between vaporization heats of the components with the proviso that 4-n-pentoxy-4'-cyanobiphenyl and 4-n-pentyl-4"-cyano-p-terphenyl are excluded.
A process for producing a nematic liquid crystal composition having a viscosity lower than the ideal viscosity and not forming a complex, comprising the steps of:
- blending components Y.sub.1 and Y.sub.2 having a difference of 800 cal/mol or more between the vaporization heats of these components.
Dependencies are inferred from the claim text.