Merck Patent Association

The present invention relates to a liquid-crystal (LC) material as defined in claim 1, having negative dielectric anisotropy and to the use thereof for optical, electro-optical and electronic purposes, such as for example in LC displays, in particular of the LCoS type.

The invention relates to polymerizable liquid crystal (LC) formulations (as a subcategory of liquid crystal material), especially to polymerizable LC ink formulations for inkjet printing, which are preferably PFAS-free (for enabling the reduction of perfluorocarbons and providing an environment friendly material), and which are comprising one or more polymerizable mesogenic compounds, also known as reactive mesogens (RMs), and three or more organic solvents, to polymers and polymer films obtained from such formulations, and to the use of the formulations, polymers and polymer films in optical or electrooptical components or devices, especially for digital optics or augmented reality or virtual reality (AR/VR) applications like polarizers, optical compensators, reflective films, diffraction or surface gratings, Bragg polarization gratings (Bragg PG), polarization volume gratings (PVG), polarization volume holograms (PVH), Pancharatnam Berry (PB) gratings, nonmechanical beam steering elements, optical waveguides, optical couplers, optical combiners, optical deflectors, polarization beam splitters, partial mirrors or lenses.

A liquid-crystalline medium (also called liquid crystal material) having a nematic phase comprising one or more compounds with a terminal 5,6-difluoro-benzo[b]furan ring as provided by the formulae, the use thereof in an electro-optical display, particularly in an active-matrix display based on the IPS or FFS effect, and to displays, especially energy-saving LC displays or LC displays with a low power consumption, which contain a liquid crystal material of this type.

The present invention relates to liquid-crystalline (LC) media or LC materials and to energy efficient liquid-crystal displays (LCDs) containing these media, especially to gaming displays and AR/VR headsets addressed by an active matrix and in particular to LC displays of the TN, PS-TN, STN, TN-TFT, OCB, IPS, PS-IPS, FFS, HB-FFS, XB-FFS, PS-FFS, SA-HB-FFS, SA-XB-FFS, polymer stabilised SA-HB-FFS, polymer stabilised SA-XB-FFS, positive VA or positive PS-VA type.

The present invention relates to liquid-crystalline (LC) media or LC materials and to energy efficient liquid-crystal displays (LCDs) containing these media, especially to gaming displays and augmented reality (AR) / virtual reality (VR) headsets addressed by an active matrix and in particular to LC displays of the TN, PS-TN, STN, TN-TFT, OCB, IPS, PS-IPS, FFS, HB-FFS, XB-FFS, PS-FFS, SA-HB-FFS, SA-XB-FFS, polymer stabilised SA-HB-FFS, polymer stabilised SA-XB-FFS, positive VA or positive PS-VA type.

The invention relates to ionizable cationic amino lipids and lipid-based delivery systems, such as lipid particles comprising ionizable cationic amino lipids of the invention and their use for delivering a payload into a cell.

The present invention relates to liquid-crystalline (LC) media or LC materials and to energy efficient liquid-crystal displays (LCDs) containing these media, especially to gaming displays and AR/VR headsets addressed by an active matrix and in particular to LC displays of the TN, PS-TN, STN, TN-TFT, OCB, IPS, PS-IPS, FFS, HB-FFS, XB-FFS, PS-FFS, SA-HB-FFS, SA-XB-FFS, polymer stabilised SA-HB-FFS, polymer stabilised SA-XB-FFS, positive VA or positive PS-VA type.

The disclosed and claimed subject matter relates to formulations that include (i) one or more alkynes in combination with (ii) one or more tertiary alcohols as well as their use for enhanced passivation of metallic substrates.

The present invention relates to a liquid crystal medium and liquid crystal material comprising a) one or more compounds of formula I and one or more compounds of the formula T:in which the occurring groups and parameters have the meanings defined in claim 1, and to an electronic component comprising said LC medium, operable in the visible (VIS), infrared (IR) or microwave region of the electromagnetic spectrum. The invention further relates to the use of said LC medium in the IR, VIS or microwave region and to devices comprising said electronic component.

The instant invention relates to an optical component and a electro optical devices comprising the optical component. The instant invention further relates to a cholesteric polymerizable liquid crystalline (LC) material preferably utilized in an optical component in accordance with the present invention, to a process for the production of the cholesteric polymerizable LC material, to a process to convert the cholesteric polymerizable material into a polymer film, a polymer film obtainable from the cholesteric polymerizable LC material, the use of the polymer films in an optical component or device comprising a polymer film in accordance with the invention.