Liquid crystal display device

C - Chemistry – Metallurgy – 09 – K

Patent

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Details

C09K 19/56 (2006.01)

Patent

CA 2613668

A liquid crystal device, comprising, at least a pair of substrates; and a liquid crystal material composition disposed between the pair of substrates. The liquid crystal material composition comprises, at least, a Smectic phase liquid crystal material, and a molecular alignment-enhancing agent. The Smectic phase liquid crystal material has a molecular long axis or n-director having a tilt angle to its layer normal as a bulk material, and the molecular long axis of the Smectic phase liquid crystal material aligns parallel to the pre-setting alignment direction, resulting in its long axis layer normal. The molecular alignment-enhancing agent has a molecular axis or n-director having no tilt angle to its layer normal as a bulk material, and the molecular alignment-enhancing agent has a double bond structure in its molecule.

Afficheur à cristaux liquides constitué d'au moins une paire de substrats et composition de cristaux liquides placée entre ladite paire. Cette composition contient, au moins, un matériau cristallin liquide en phase smectique et un agent d'augmentation de l'alignement moléculaire. Ce matériau présente un axe moléculaire long ou n-directeur possédant un angle d'inclinaison par rapport à sa couche normale en temps que matériau volumique et l'axe moléculaire long de ce matériau s'aligne parallèlement au sens d'alignement prédéterminé. L'agent d'augmentation de l'aliment moléculaire présente un axe moléculaire exempt d'angle d'inclinaison par rapport à sa couche normale en temps que matériau volumique et il possède une structure à liaison double dans sa molécule.

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