US 11,884,862 B2
Liquid-crystalline medium
Achim Goetz, Alsbach-Haehnlein (DE); Christian Hock, Mainaschaff (DE); Lars Lietzau, Rossdorf (DE); and Mark Goebel, Winchester (GB)
Assigned to MERCK PATENT GMBH, Darmstadt (DE)
Filed by MERCK PATENT GMBH, Darmstadt (DE)
Filed on Aug. 4, 2016, as Appl. No. 15/228,666.
Claims priority of application No. 10 2015 009 955.8 (DE), filed on Aug. 5, 2015.
Prior Publication US 2017/0037316 A1, Feb. 9, 2017
Int. Cl. C09K 19/30 (2006.01); G02B 30/24 (2020.01); G02B 30/27 (2020.01); C07C 13/28 (2006.01); C07C 22/08 (2006.01); C07C 43/225 (2006.01); C09K 19/34 (2006.01); C09K 19/54 (2006.01); G02F 1/137 (2006.01)
CPC C09K 19/3098 (2013.01) [C07C 13/28 (2013.01); C07C 22/08 (2013.01); C07C 43/225 (2013.01); C09K 19/3402 (2013.01); C09K 19/3405 (2013.01); C09K 19/3491 (2013.01); C09K 19/54 (2013.01); C09K 19/542 (2013.01); G02B 30/24 (2020.01); G02B 30/27 (2020.01); G02F 1/137 (2013.01); C07C 2601/14 (2017.05); C07C 2601/16 (2017.05); C09K 2019/3408 (2013.01); C09K 2019/3422 (2013.01); G02F 1/13706 (2021.01)] 23 Claims
 
1. Shutter spectacles having 3D effects, LC lenses or positive VA displays containing in said shutter spectacles, LC lenses or positive VA displays, a nematic liquid-crystalline medium, comprising in said nematic liquid-crystalline medium:
one or more compounds of formula I,

OG Complex Work Unit Chemistry
in which
R1 denotes a straight-chain alkyl radical having 3 to 5 C atoms, and
X1 denotes CF3;
and further comprising:
one or more compounds of formulae II and/or III,

OG Complex Work Unit Chemistry
in which
A denotes 1,4-phenylene or trans-1,4-cyclohexylene,
a denotes 0 or 1,
R3 denotes alkenyl having 2 to 9 C atoms, and
R4 denotes an alkyl radical having 1 to 15 C atoms, wherein at least one CH2 group is replaced by —CH═CH—, and optionally one or more CH2 groups in these radicals may each be replaced, independently of one another, by

OG Complex Work Unit Chemistry
 in such a way that O atoms are not linked directly to one another, and in which, in addition, one or more H atoms may be replaced by halogen, or C1-15 alkyl in which one or more CH2 group is replaced, independently of one another, by

OG Complex Work Unit Chemistry
 in such a way that O atoms are not linked directly to one another, and in which, in addition, one or more H atoms may be replaced by halogen;
or
one or more compounds of formulae X and/or XI,

OG Complex Work Unit Chemistry
in which

OG Complex Work Unit Chemistry
 each, independently of one another, denote

OG Complex Work Unit Chemistry
R0 denotes an alkyl or alkoxy radical having 1 to 15 C atoms, where, in addition, one or more CH2 groups in these radicals may each be replaced, independently of one another, by

OG Complex Work Unit Chemistry
 in such a way that O atoms are not linked directly to one another, and in which, in addition, one or more H atoms may be replaced by halogen, cycloalkyl with 3 to 6 C atoms,
X0 denotes F, Cl, a mono- or polyfluorinated alkyl or alkoxy radical having 1 to 6 C atoms, a mono- or polyfluorinated alkenyl or alkenyloxy radical having 2 to 6 C atoms, and
Y1-4 each, independently of one another, denote H or F;
or
one or more compounds of formulae D1, D2, D3, D4 or D5,

OG Complex Work Unit Chemistry
in which R0, X0 and Y1-Y2 independently have one of the meanings as defined above;
or
one or more compounds of formulae Y-1, Y-2, Y-3 or Y-4,

OG Complex Work Unit Chemistry
in which
R2A denotes H, an alkyl or alkoxy radical having 1 to 15 C atoms, where, in addition, one or more CH2 groups in these radicals may each be replaced, independently of one another, by

OG Complex Work Unit Chemistry
 in such a way that O atoms are not linked directly to one another, and in which, in addition, one or more H atoms may be replaced by halogen,
L1 and L2 each, independently of one another, denote F, Cl, CF3 or CHF2,
Z2 and Z2′ each, independently of one another, denote a single bond, —CH2CH2—, —CH═CH—, —CF2O—, —OCF2—, —CH2O—, —OCH2—, —COO—, —OCO—, —C2F4—, —CF═CF— or —CH═CHCH2O—,
p denotes 0, 1 or 2,
q denotes 0 or 1,
(O)CvH2v+1 denotes OCvH2v+1 or CvH2v+1, and
v denotes 1 to 6;
or
one or more compounds of formulae CR, PH-1, PH-2, or BS,

OG Complex Work Unit Chemistry
in which
RB1, RB2, RCR1, RCR2, R1 and R2 each, independently of one another, denotes H, an alkyl or alkoxy radical having 1 to 15 C atoms, where, in addition, one or more CH2 groups in these radicals may each be replaced, independently of one another, by

OG Complex Work Unit Chemistry
 in such a way that O atoms are not linked directly to one another, and in which, in addition, one or more H atoms may be replaced by halogen, and
c denotes 0, 1 or 2.