Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
281 words
A liquid-crystal phase having at least two liquid crystal components, and comprising at least one transversely polarized 1,4-cyclohexylene compound of the formula I R.sup.1 --A.sup.1 --Z.sup.1 --A.sup.2 --R.sup.2 I wherein R 1 and R 2 are independently H or an alkyl group which has 1-10 C atoms and in which one or two non-adjacent CH 2 groups can also be replaced by 0 atoms and/or --CO-- groups and/or --CO--O-- groups and/or --CH═CH-- groups, or F, Cl, Br, CN or R 3 --A 3 --Z 2 --, A 1 is --A--, A 4 --Z 0 --A-- or --A--Z 0 --A 4 --, A is a group of formula (A) or (J): ##STR14## or the mirror image thereof, A 2 , A 3 and A 4 are each 1,4-phenylene which is unsubstituted or substituted by one or two F and/or Cl atoms and/or CH 3 groups and/or CN groups and in which one or two CH groups can also be replaced by M atoms and/or NO, or are 1,4-cyclohexylene wherein one or two non-adjacent CH 2 groups can also be replaced by 0 atoms, or are 1,3-dithiane-2,5-diyl, piperidine-1,4-diyl, 1,4-bicyclo-[2,2,2] octylene, decahydronaphthalene-2,6-diyl or 1,2,3,4-tetra-hydronaphthalene-2,6-diyl groups or are --A--, Z 0 , Z 1 and Z 2 are each --CO--O--, --O--CO--, --CH 2 CH 2 --, --OCH 2 --, --CH 2 O--, --CH 2 CO--, --COCH 2 --, --CH 2 CHCN--, --CHCNCH 2 -- or a single bond, and R 3 is H or an alkyl group which has 1-10 C atoms and in which one or two non-adjacent CH 2 groups can also be replaced by 0 atoms and/or --CO-- groups and/or --CO--O-- groups and/or --CH═CH-- groups, or is F, Cl, Br or CN.
Claim 2
Dependent Claim
281 words
A liquid-crystal phase having at least two liquid crystal components, and comprising at least one transversely polarized 1,4-cyclohexylene compound of the formula I R.sup.1 --A.sup.1 --Z.sup.1 --A.sup.2 --R.sup.2 I wherein R 1 and R 2 are independently H or an alkyl group which has 1-10 C atoms and in which one or two non-adjacent CH 2 groups can also be replaced by 0 atoms and/or --CO-- groups and/or --CO--O-- groups and/or --CH═CH-- groups, or F, Cl, Br, CN or R 3 --A 3 --Z 2 --, A 1 is --A--, A 4 --Z 0 --A-- or --A--Z 0 --A 4 --, A is a group of formula (A) or (J): ##STR14## or the mirror image thereof, A 2 , A 3 and A 4 are each 1,4-phenylene which is unsubstituted or substituted by one or two F and/or Cl atoms and/or CH 3 groups and/or CN groups and in which one or two CH groups can also be replaced by M atoms and/or NO, or are 1,4-cyclohexylene wherein one or two non-adjacent CH 2 groups can also be replaced by 0 atoms, or are 1,3-dithiane-2,5-diyl, piperidine-1,4-diyl, 1,4-bicyclo-[2,2,2] octylene, decahydronaphthalene-2,6-diyl or 1,2,3,4-tetra-hydronaphthalene-2,6-diyl groups or are --A--, Z 0 , Z 1 and Z 2 are each --CO--O--, --O--CO--, --CH 2 CH 2 --, --OCH 2 --, --CH 2 O--, --CH 2 CO--, --COCH 2 --, --CH 2 CHCN--, --CHCNCH 2 -- or a single bond, and R 3 is H or an alkyl group which has 1-10 C atoms and in which one or two non-adjacent CH 2 groups can also be replaced by 0 atoms and/or --CO-- groups and/or --CO--O-- groups and/or --CH═CH-- groups, or is F, Cl, Br or CN.
Claim 3
Dependent Claim
132 words
Phase according to claim 1 which contains at least one compound of the partial formulae Ia or Ib (having two rings) R.sup.1 --A--A.sup.2 --R.sup.2 Ia R.sup.1 --A--Z.sup.1 --A.sup.2 --R.sup.2 Ib Ic and Ii (having three rings) R.sup.1 --A.sup.4 --A--A.sup.2 --R.sup.2 Ic R.sup.1 --A--A.sup.4 --A.sup.2 --R.sup.2 Id R.sup.1 --A.sup.4 --A--Z.sup.1 --A.sup.2 --R.sup.2 Ie R.sup.1 --A--A.sup.4 --Z.sup.1 --A.sup.2 --R.sup.2 If R.sup.1 --A--Z.sup.1 --A.sup.2 --A.sup.3 --R.sup.3 Ig R.sup.3 --A.sup.3 --Z.sup.2 --A--Z.sup.1 --A.sup.2 --R.sup.2 Ih R.sup.1 --A--Z.sup.1 --A.sup.2 --Z.sup.2 --A.sup.3 --R.sup.3 Ii or Ij to Ip (having four rings) R.sup.1 --A.sup.4 --A--A.sup.2 --A.sup.3 --R.sup.3 Ij R.sup.1 --A--A.sup.4 --A.sup.2 --A.sup.3 --R.sup.3 Ik R.sup.3 --A.sup.3 --Z.sup.2 --A.sup.4 --A--A.sup.2 --R.sup.2 Il R.sup.3 --A.sup.3 --A.sup.4 --A--Z.sup.1 --A.sup.2 --R.sup.2 Im R.sup.1 --A--A.sup.4 --A.sup.2 --Z.sup.2 --A.sup.3 --R.sup.3 In R.sup.1 --A--A.sup.4 --Z.sup.1 --A.sup.2 --A.sup.3 --R.sup.3 Io R.sup.1 --A.sup.4 --A--Z.sup.1 --A.sup.2 --A.sup.3 --R.sup.3 Ip
Claim 4
Dependent Claim
19 words
Phase according to claim 1, wherein R 1 , R 2 and R 3 are alkyl, alkoxy or oxaalkyl.
Claim 5
Dependent Claim
29 words
Phase according to claim 1, wherein one of the radicals R 1 , R 2 and R 3 is --CO-alkyl, --O--CO-alkyl, --CO--O-alkyl or CN, and the other is alkyl.
Claim 6
Dependent Claim
33 words
Phase according to claim 1, wherein the alkyl radicals, can have a CH 2 group replaced by an 0 atom, are linear and have 2, 3, 4, 5, 6 or 7 C atoms.
Claim 7
Dependent Claim
24 words
Phase according to claim 1, wherein A 2 , A 3 and A 4 are independently 1,4-cyclohexylene, 1,4-phenylene, 2-fluoro-1,4-phenylene, pyrimidine-2,5-diyl, pyridazine-3,6-diyl, pyridine-2,5-diyl or pyrazine-2,5-diyl.
Claim 8
Dependent Claim
19 words
Phase according to claim 6, wherein A 2 , A 3 and A 4 are independently 1,4-phenylene or pyrimidine-2,5-diyl.
Claim 9
Dependent Claim
29 words
Phase according to claim 1, wherein Z 1 and Z 2 are --O--CO--, --CO--O--, --CH 2 CO--, --COCH 2-- , --CH 2 CH 2 -- or a single bond.
Claim 10
Dependent Claim
14 words
Phase according to claim 8, wherein Z 1 and Z 2 are single bonds.
Claim 11
Dependent Claim
12 words
Phase according to claim 1, wherein Z 0 is a single bond.
Claim 12
Dependent Claim
13 words
Phase according to claim 1, wherein A is a group of formula (A).
Claim 13
Dependent Claim
21 words
Phase according to claim 1 which contains at least compound of the following formulae: ##STR15## wherein r is 0 or 1.
Claim 14
Dependent Claim
50 words
Phase according to claim 1, wherein the substituents R 1 --, R 1 --A 4 --, R 2 --A 2 --Z 1 -- or R 2 --A 2 --Z 1 --A 4 in the 1-position and 4-position of the ring A are in the transconfiguration and assume the equatorial position.
Claim 15
Dependent Claim
52 words
Phase according to claim 1 which contains at least one cyclophexanone derivative of the formula II ##STR16## wherein R 1 is an alkyl group having 1-10 C atoms, q is 0 or 1 and A 4 , Z 1 , A 2 and R 2 have the meaning indicated in formula I.
Claim 16
Dependent Claim
21 words
In a liquid-crystal display device containing a liquid crystal phase, the improvement wherein the phase is one according to claim 1.
Claim 17
Dependent Claim
22 words
In an electrooptical display device containing a liquid crystal dielectric, the improvement wherein the dielectric is a phase according to claim 1.