Abstract:
The invention relates to a polymerisable LC material with negative optical dispersion, a polymer film with negative optical dispersion obtainable from such a material, and the use of the polymerisable LC material and polymer film in optical, electrooptical, electronic, semiconducting or luminescent components or devices.
Abstract:
The invention relates to novel mesogenic dimeric compounds which are especially suitable for use in birefringent films with negative optical dispersion, to novel liquid crystal (LC) formulations and polymer films comprising them, and to the use of the dimers, formulations and films in optical, electrooptical, electronic, semiconducting or luminescent components or devices.
Abstract:
The invention relates to bimesogenic compounds of formula (I) R 1 -MG 1 -Sp-MG 2 -R 2 Wherein R 1 , R 2 , MG 1 , MG 2 and Sp have the meaning given in claim 1, to the use of bimesogenic compounds of formula (I) in liquid crystal media and particular to flexoelectric liquid crystal devices comprising a liquid crystal medium according to the present invention. Furthermore the invention relates to bimesogenic compounds of formula I inducing a second nematic phase in nematic mixtures that do not show this additional phase without compounds of formula (I).
Abstract:
The instant invention relates to mesogenic compounds of formula (I) wherein the parameters are as specified in the text. The instant invention further relates to mesogenic media, preferably liquid crystal media showing a blue phase and their use in electro-optical light modulation elements and their respective use in displays, as well as to such devices.
Abstract:
The invention relates to new cyclohexylene reactive mesogens (RM), polymers derived thereof, liquid crystal (LC) media comprising them, and the use of the compounds, polymers and liquid crystalline media in optical, electrooptical, electronic, semiconducting or luminescent components or devices, in decorative, security, cosmetic or diagnostic applications, especially in the polymer stabilised blue phase.
Abstract:
The instant invention relates to mesogenic systems comprising a) a polymeric component, component A, obtained or obtainable from polymerisation of a precursor comprising one or more mesogenic mono-reactive compounds, one or more di-reactive compounds, which optionally are also mesogenic compounds and optionally a photo-initiator and a low molecular weight component, component B, comprising one or more mono-reactive, mesogenic compounds, one or more mesogenic compounds and one or more chiral dopants, exhibiting a Blue Phase, as well as to the use of these systems in deices and to these devices.
Abstract:
The instant invention relates to mesogenic compounds with mesogenic group and one or more bulky end groups which each contain at least two ring elements, where two of these ring elements are linked to a centre atom or to a centre group by a direct bond or via a linking group, preferably of Formula (I) wherein the parameters are as specified in the text. This bulky end group preferably contains two or more rings, which each are bound to one and the same linking atom. The instant invention further relates to mesogenic media, preferably liquid crystal media showing a blue phase and their use in electro-optical light modulation elements and their respective use in displays, as well as to such devices.
Abstract:
The instant invention relates to liquid crystalline media comprising - a chiral component, component A, consisting of one or more chiral compounds, - optionally, a bimesogenic component, component B, consisting of one or more bimesogenic compounds, - a liquid crystalline component, component C, consisting of one or more liquid crystalline, respectively mesogenic compounds, and - a reactive mesogenic component, component D, comprising, one or more reactive mesogenic compounds, as defined in claim 1, to their stabilization by polymerization and to the polymer-stabilised liquid crystal materials, as well as to liquid crystal displays comprising these liquid crystal media, respectively these stabilized materials, especially to USH-displays and in particular to active matrix displays and, last not least, to the processes of preparation of the respective composite systems and of the displays comprising these systems.
Abstract:
The invention relates to novel polymers comprising cyclohexylene groups which are especially suitable for use in birefringent films with negative optical dispersion, to novel formulations and polymer films comprising them, and to the use of the polymers, formulations and films in optical, electrooptical, electronic, semiconducting or luminescent components or devices.
Abstract:
The invention relates to novel calamitic mesogenic compounds which are especially suitable for use in birefringent films with negative optical dispersion, to novel liquid crystal (LC) formulations and polymer films comprising them, and to the use of the compounds, formulations and films in optical, electrooptical, electronic, semiconducting or luminescent components or devices.