Patent application number | Description | Published |
20080199635 | LIQUID-CRYSTALLINE MEDIUM - The invention relates to a liquid-crystalline medium, characterised in that it comprises one or more compounds of the formula I | 08-21-2008 |
20080206490 | Cyclobutane and Spiro[3.3]Heptane Compounds - The present invention relates to cyclobutane and spiro[3.3]heptane compounds, to a process for the preparation thereof, to the use thereof as components in liquid-crystalline media, and to electro-optical display elements which contain these liquid-crystalline media. | 08-28-2008 |
20080260971 | Liquid-Crystalline Medium and Liquid-Crystal Display Comprising 1,2-Difluoroethene Compounds - The present invention relates to a liquid-crystalline medium comprising 1,2-difluoroethene compounds of the general formula I, in which R | 10-23-2008 |
20080315157 | Liquid-Crystalline Medium - The invention relates to a liquid-crystalline medium based on a mixture of polar compounds which comprises at least one compound of the formula (I) in which R | 12-25-2008 |
20090184291 | LIQUID CRYSTALLINE MEDIUM AND LIQUID CRYSTAL DISPLAY - A dielectrically positive liquid crystalline media comprising:
| 07-23-2009 |
20090201457 | LIQUID-CRYSTALLINE MIXTURES AND LIQUID-CRYSTAL DISPLAYS - The present invention relates to liquid-crystalline mixtures and to novel compounds therefor, and to the use thereof in nematic liquid-crystal displays having positive dielectric anisotropy, such as, for example, STN or IPS displays, which are characterised in that they comprise one or more compounds of the formula (I) in which R | 08-13-2009 |
20090230354 | Liquid Crystalline Medium - The invention relates to a liquid crystalline medium containing one or more compounds of formula I, wherein R | 09-17-2009 |
20090309066 | LIQUID-CRYSTALLINE MEDIUM - The invention relates to a liquid-crystalline medium based on a mixture of dielectrically negative, polar compounds which comprises at least one compound of the formula I | 12-17-2009 |
20100026953 | LIQUID-CRYSTALLINE MEDIUM - The invention relates to a liquid-crystalline medium comprising one or more compounds of the formula I | 02-04-2010 |
20100085529 | LIQUID-CRYSTALLINE MEDIUM AND LIQUID-CRYSTAL DISPLAY COMPRISING 1,2-DIFLUOROETHENE COMPOUNDS - The present invention relates to a liquid-crystalline medium comprising 1,2-difluoroethene compounds of the general formula I, in which R | 04-08-2010 |
20100243956 | LIQUID-CRYSTALLINE MEDIUM AND LIQUID-CRYSTAL DISPLAY - The present invention relates to dielectrically positive liquid-crystalline media comprising a dielectrically positive component, component A, comprising a dielectrically positive compound of the formula (I), in which the parameters have the meaning indicated in the specification, and optionally a second dielectrically positive component, component B, comprising one or more dielectrically positive compounds having a dielectric anisotropy of greater than 3 and optionally a dielectrically neutral component, component C, and to liquid-crystal displays, especially to active-matrix displays and in particular to TN, IPS, FFS and OCB displays, containing these media. | 09-30-2010 |
20100327226 | Liquid-crystalline medium and liquid-crystal display - The present invention relates to dielectrically positive liquid-crystalline media comprising one or more compounds of the formula I | 12-30-2010 |
20110001089 | Liquid-crystalline medium and liquid crystal display - The invention relates to a liquid-crystalline medium comprising one or more compounds of the formula I | 01-06-2011 |
20110001090 | LIQUID-CRYSTALLINE MEDIUM - The invention relates to a liquid-crystalline medium comprising one or more compounds of the formula I | 01-06-2011 |
20120205583 | COMPOUNDS FOR A LIQUID CRYSTAL MEDIUM AND HIGH-FREQUENCY COMPONENTS CONTAINING SAID LIQUID CRYSTAL MEDIUM - The present invention relates to bistolans of the formula I | 08-16-2012 |
20120261615 | DEVICES FOR HIGH-FREQUENCY TECHNOLOGY, LIQUID-CRYSTALLINE MEDIA AND COMPOUNDS - The present invention relates to a device for high-frequency technology, or for the microwave region and millimetre wave region of the electromagnetic spectrum, characterised in that it contains a liquid-crystal medium which consists of one or more compounds, which one or more compounds, which contain 6 to 15 five-, six- or seven-membered rings, preferably 1,4-linked phenylene rings, or in that it contains a liquid-crystal medium which itself comprises a component A, which itself consists of one or more of the said compounds, which one or more compounds, which contain 6 to 15 five-, six- or seven-membered rings, preferably 1,4-linked phenylene rings. The present invention additionally relates to compounds of the formula (I), in which the parameters have the meanings given in the text, and to the corresponding, novel liquid-crystal media, to the use and preparation thereof, and to the production and use of the devices. The devices according to the invention are particularly suitable phase shifters in the microwave and millimetre wave region, for microwave and millimetre wave array antennas and very particularly for so-called tunable “reflectarrays”. | 10-18-2012 |
20120267571 | COMPOUNDS FOR A LIQUID-CRYSTALLINE MEDIUM, AND THE USE THEREOF FOR HIGH-FREQUENCY COMPONENTS - The present invention relates to compounds of the formula I | 10-25-2012 |
20120273723 | LIQUID CRYSTAL MEDIUM - The invention relates to compounds of the formula I | 11-01-2012 |
20120273724 | COMPOUNDS FOR A LIQUID-CRYSTALLINE MEDIUM, AND USE FOR HIGH-FREQUENCY COMPONENTS - The present invention relates to compounds of the formula (I) | 11-01-2012 |
20120326084 | LIQUID-CRYSTALLINE MEDIUM - The invention relates to a liquid-crystalline medium which comprises at least one compound of the formula I, | 12-27-2012 |
20120326085 | LIQUID-CRYSTALLINE MEDIUM - The invention relates to liquid-crystalline mixtures comprising at least one compound of the formula I, | 12-27-2012 |
20130221274 | COMPOUNDS FOR A LIQUID-CRYSTALLINE MEDIUM, AND THE USE THEREOF FOR HIGH-FREQUENCY COMPONENTS - The present invention relates to 1,4-diethynylbenzene derivatives having substituents in the 2,3-position (cf. formula I, Claims), to the use thereof for high-frequency components, to liquid-crystalline media comprising the compounds, and to high-frequency components, in particular antennae, especially for the gigahertz range, comprising these media. The liquid-crystalline media serve, for example, for the phase shifting of microwaves for tuneable ‘phased-array’ antennae. | 08-29-2013 |
20130248762 | LIQUID-CRYSTALLINE MEDIUM - The invention relates to liquid-crystalline media comprising at least one compound of the formula I, | 09-26-2013 |
20130277611 | COMPOUNDS FOR A LIQUID CRYSTALLINE MEDIUM AND USE THEREOF FOR HIGH FREQUENCY COMPONENTS - The present invention relates to compounds containing at least three ring systems, at least one of which is a 2,6-naphthylene group, and two unsaturated bridging groups between the ring systems, and to the use of the compounds for high-frequency components, in particular antennae, especially for the gigahertz region. The liquid-crystalline media comprising these compounds serve, for example, for the phase shifting of microwaves for tuneable ‘phased-array’ antennae. | 10-24-2013 |
20130292608 | LIQUID-CRYSTALLINE MEDIA, COMPONENTS FOR HIGH-FREQUENCY TECHNOLOGY, AND MESOGENIC COMPOUNDS - The present invention relates to a liquid-crystal medium which comprises a component A which consists of one or more compounds of the formula I | 11-07-2013 |
20140008573 | COMPOUNDS HAVING A C-C TRIPLE BOND - The present invention relates to compounds containing at least one C—C triple bond within a chain of at least 3 ring systems which have positive dielectric anisotropy, to the use thereof for high-frequency components, to liquid-crystalline media comprising the compounds, and to high-frequency components, in particular antennae, especially for the gigahertz region, comprising these media. The liquid-crystalline media serve, for example, for the phase shifting of microwaves for tuneable ‘phased-array’ antennae. | 01-09-2014 |
20140008575 | MESOGENIC COMPOUNDS, LIQUID CRYSTAL MEDIA AND COMPONENTS FOR HIGH FREQUENCY TECHNOLOGY - The present invention relates to a liquid-crystal medium which comprises a component A which consists of one or more compounds of the formula IA | 01-09-2014 |
20140021405 | MESOGENIC COMPOUNDS, LIQUID-CRYSTALLINE MEDIA AND COMPONENTS FOR HIGH-FREQUENCY TECHNOLOGY - The present invention relates to a liquid-crystal medium which comprises a component A which consists of one or more compounds of the formula IA (IA), in which the parameters have the respective meanings given in the claims or in the text, and to the corresponding, novel mesogenic compounds and to the preparation thereof. The present invention likewise relates to the use of these liquid-crystal media, in particular in components for high-frequency technology, and to components of this type which contain the media according to the invention, and to the production and use of these components. The components according to the invention are suitable, in particular, for phase shifters in the microwave and millimetre wave region, for microwave and millimetre wave array antennae and very particularly for so-called tuneable “reflectarrays”. | 01-23-2014 |
20140021409 | MESOGENIC COMPOUNDS, LIQUID-CRYSTALLINE MEDIA AND COMPONENTS FOR HIGH-FREQUENCY TECHNOLOGY - The present invention relates to a liquid-crystal medium which comprises a component A which consists of one or more compounds of the formula X | 01-23-2014 |
20140061534 | LIQUID-CRYSTALLINE MEDIUM - The invention relates to a liquid-crystalline medium comprising at least one compound of the formula I, | 03-06-2014 |
20140061536 | COMPOUNDS OF LIQUID CRYSTALLINE MEDIUM AND USE THEREOF FOR HIGH-FREQUENCY COMPONENTS - The present invention relates to compounds of the formula I | 03-06-2014 |
20140097384 | LIQUID CRYSTAL MEDIUM AND LIQUID DISPLAY - The instant invention relates to mesogenic media comprising one or more compounds selected from the group of compounds of formulae I to XA | 04-10-2014 |
20140110631 | LIQUID-CRYSTALLINE MEDIUM - The invention relates to a liquid-crystalline medium comprising at least one compound of the formula I, | 04-24-2014 |
20140239227 | LIQUID CRYSTAL MEDIUM AND HIGH-FREQUENCY COMPONENTS COMPRISING SAME - The present invention relates to liquid crystal media and to high-frequency components comprising same, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves, in particular for microwave phased-array antennas. | 08-28-2014 |
20150014584 | LIQUID CRYSTAL MEDIUM AND HIGH FREQUENCY COMPONENTS COMPRISING SAME - The present invention relates to liquid crystal media and to high frequency components comprising same, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves. | 01-15-2015 |