Title:
液晶媒体
Document Type and Number:
Japanese Patent JP5784560
Kind Code:
B2
Abstract:
A liquid crystalline medium is based on a mixture of polar compounds having a positive dielectric anisotropy. A liquid crystalline medium (I) is based on a mixture of polar compounds having a positive dielectric anisotropy comprising at least on compound of formula (1) and at least one compound of formula (2). [Image] [Image] R 1>2-8C alkenyl; a : 0 or 1; R 2>H or 1-15C alkyl, optionally halogenated or substituted by CN or CF 3 and optionally having CH 2 groups replaced by -CC-, -CO-, -CHCH-, -O-, structures of formula (3)-(5) such that O atoms are not directly bonded to each other; X 1>up to 6C alkyl, alkenyl, alkoxy or alkenyloxy or F, Cl, CN, SF 5, SCN, NCS or OCN when a is 1; X 2>F, Cl, CN, SF 5, SCN, NCS or OCN or optionally halogenated up to 6C alkyl, alkenyl, alkoxy or alkenyloxy; Z 1>, Z 2>-CF 2O-, -OCF 2- or a single bond when Z 1> does not equal Z 2>; A, B : a structure of formula (6) -(18); L 1>-L 4>H or F. [Image] [Image] [Image] [Image] An independent claim is included for an electrooptical liquid crystal display containing the medium (I).
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Inventors:
Heckmeier, Michael
Shane, Sabine
Kirsch, Peel
Shane, Sabine
Kirsch, Peel
Application Number:
JP2012181147A
Publication Date:
September 24, 2015
Filing Date:
August 17, 2012
Export Citation:
Assignee:
Merck Patent Gesellschaft mit beschraenkter Haftung
International Classes:
C09K19/30; C09K19/34; C09K19/42; G02F1/13
Domestic Patent References:
| JP10204016A | ||||
| JP2003518154A | ||||
| JP10251186A | ||||
| JP2003183656A |
Foreign References:
| WO1997037960A1 |
Attorney, Agent or Firm:
Kiyoji Kuzuwa