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Inventor:
Scheuble; Bernhard
Address:
Seeheim-Jugenheim, DE
No. of patents:
8
Patents:












Patent Number Title Of Patent Date Issued
5641429 Fluorobenzene derivatives and liquid-crystalline medium June 24, 1997
Fluorobenzene derivatives of formula I, ##STR1## in which R an alkenyl radical as further defined in the specification,A.sup.1 and A.sup.2 are a trans-1,4-cyclohexylene radical, 1,4-phenylene radical or other cyclic structure as further defined in the specification,Z.sup.1 and Z.sup.2 ar
5536442 Fluorinated liquid crystal compounds and liquid crystal medium containing same July 16, 1996
The invention relates to liquid crystal compounds having a terminal structure in accordance with formula 1, 2, 3 or 4:wherein A.sup.2, A.sup.3, X.sup.1 and X.sup.2 and are defined herein. The invention further relates liquid crystal phases containing the above components as well as elect
5516454 Supertwist liquid crystal display May 14, 1996
Supertwist liquid crystal displays having outstanding properties are obtained if the nematic liquid crystal mixture is based on components selected from group A comprising compounds of the formulae IIa to IIk: ##STR1##
5487845 Fluorobenzene derivatives and liquid-crystalline medium January 30, 1996
Fluorobenzene derivatives of the formula I, ##STR1## R, A1, A2, S1, 22, L, m, Y, Q are as defined herein.
5308535 Electro-optical system containing a compensating film May 3, 1994
The invention relates to electro-optical systems containing an addressable liquid-crystal layer and a device for compensating for the optical path difference d.multidot..DELTA.n of the addressable liquid-crystal layers, the compensating device being based on a liquid-crystalline polymer.
5300254 Ferroelectric liquid-crystal display April 5, 1994
The invention relates to ferroelectric liquid-crystal displays having improved multiplexing capability.
5204017 Difluorobenzonitriles and liquid-crystalline medium April 20, 1993
Difluorobenzonitriles of the formula I ##STR1## in which Y is alkyl, alkenyl, alkoxy, oxaalkyl or alkenyloxy containing in each case 1 to 12 carbon atoms,one of the radicals A.sup.1 and A.sup.2 present in the molecule is ##STR2## where X is CH or N, and the other radical A.sup.1
5064567 Nematic liquid-crystal composition for active matrix application November 12, 1991
The invention relates to nematic liquid-crystal compositions for active matrix displays with high voltage holding ratios.










 
 
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