Liquid crystal materials and devices

Details Liquid crystal materials and devices Liquid crystal materials and devices

C - Chemistry, Metallurgy

09

K

31/105

C09K 19/44 (2006.01)

Patent

CA 1139091

ABSTRACT A liquid crystal for use in liquid crystal display devices comprises at least one material from group 1 comprising:- Image Image at least one of the group 1 materials having n = 2, or 4; at least one material from group 2 comprising: Image Image Image Image together with an ester liquid crystal material. The ester forms between 10% and90% (preferably between 30% and 70%) by weight of the total mixture and the group 2 material forms between 5% and 30% by weight of the total mixture. Examples of the esters have the general formula Image where R1, R2 represent alkyl or alkoxy groups, and Image where R3, R4 represent alkyl groups. All alkyl and alkoxy end groups are unbranched.

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