C09K19/04

Sealing material composition, liquid crystal cell and scanning antenna

The sealing material composition of the disclosure includes an unsaturated carbonyl compound having at least two unsaturated carbonyl groups and a curing agent that is thermally reactive with the unsaturated carbonyl compound and contains a compound having at least two of one or more kinds of functional groups selected from the group consisting of a mercaptan group, a hydroxyl group, and a secondary amine group.

Sealing material composition, liquid crystal cell and scanning antenna

The sealing material composition of the disclosure includes an unsaturated carbonyl compound having at least two unsaturated carbonyl groups and a curing agent that is thermally reactive with the unsaturated carbonyl compound and contains a compound having at least two of one or more kinds of functional groups selected from the group consisting of a mercaptan group, a hydroxyl group, and a secondary amine group.

LIQUID-CRYSTALLINE MEDIUM AND LIQUID-CRYSTAL DISPLAY COMPRISING THE SAME
20230045269 · 2023-02-09 · ·

The invention relates to a liquid-crystalline medium, preferably having a nematic phase and dielectric anisotropy of 0.5 or more, which comprises one or more compounds of formula D

##STR00001## in which the parameters have the meanings given in the text,
to the use thereof in an electro-optical display, particularly in an active-matrix display based on the IPS or FFS effect, to displays of this type which contain a liquid-crystalline medium of this type, and to the compounds of formula T and their use for the improvement of the transmission and/or response times of a liquid-crystalline medium which comprises one or more additional mesogenic compounds.

LIQUID CRYSTAL (LC) COMPOSITION WITH EXTREMELY-LOW DIELECTRIC LOSS AND HIGH-FREQUENCY COMPONENT INCLUDING SAME

Disclosed are a liquid crystal (LC) composition and a high-frequency component including the same. The LC composition includes one or more selected from compounds shown in structural formula (I) and one or more selected from compounds shown in structural formula (II):

##STR00001## where R.sub.1 is selected from alkyl with 1 to 10 carbon atoms, alkenyl with 2 to 10 carbon atoms, fluorinated alkyl, fluorinated alkenyl, and cycloalkyl; one of X.sub.1, X.sub.2, and X.sub.3 is methyl or chlorine, and the other two are hydrogen; k, m, n, and p are 0 or 1; and ring A is selected from a benzene ring, cyclohexane, and cyclohexene;

##STR00002##

where R.sub.2 and R.sub.3 each are selected from alkyl with 1 to 10 carbon atoms, alkenyl with 2 to 10 carbon atoms, fluorinated alkyl, fluorinated alkenyl, cycloalkyl, halogen, and NCS; and ring A and ring B each are selected from a benzene ring, cyclohexane, and cyclohexene.

FLUORINATED AROMATIC COMPOUNDS

The present invention relates to aromatic isothiocyanates of formula U

##STR00001##

as defined in claim 1, to liquid-crystalline media comprising one or more compounds of formula U and to high-frequency components comprising these media, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves, tunable filters, tunable metamaterial structures, and electronic beam steering antennas, e.g. phased array antennas.

METHOD OF MANUFACTURING LIQUID CRYSTAL LAYER
20230023006 · 2023-01-26 · ·

An object is to provide a method of manufacturing a liquid crystal layer in which an alignment film is repeatedly used and a liquid crystal compound in a liquid crystal layer can be sufficiently aligned. The method of manufacturing a liquid crystal layer includes: an alignment film forming step of forming an alignment film on a support; a liquid crystal alignment film alignment step of laminating a first liquid crystal composition including a polymerizable liquid crystal compound on the alignment film and aligning the first liquid crystal composition; a liquid crystal alignment layer forming step of polymerizing the aligned first liquid crystal composition to form a liquid crystal alignment layer; a peeling step of laminating and immobilizing a surface of the liquid crystal alignment layer opposite to the alignment film on an adherend and peeling the liquid crystal alignment layer from the alignment film at an interface between the liquid crystal alignment layer and the alignment film; a liquid crystal layer alignment step of laminating a second liquid crystal composition including a polymerizable liquid crystal compound on a surface of the liquid crystal alignment layer from which the alignment film is peeled off and aligning the second liquid crystal composition; a liquid crystal layer forming step of polymerizing the aligned second liquid crystal composition to form a liquid crystal layer; and a liquid crystal layer separation step of separating the formed liquid crystal layer from the liquid crystal alignment layer, in which the liquid crystal layer alignment step to the liquid crystal layer separation step are repeated to repeatedly prepare the liquid crystal layer.

Photoreactive liquid crystal composition, display element, optical element, method for manufacturing display element, and method for manufacturing optical element

A photoreactive liquid crystal composition containing (A) a photoreactive polymer liquid crystal which includes a photoreactive side chain in which at least one type of reaction selected from (A-1) photocrosslinking and (A-2) photoisomerization occurs, and (B) a low molecular weight liquid crystal. An optical element or display element is formed having a liquid crystal cell including the photoreactive liquid crystal composition.

Polymerizable liquid crystal
11702595 · 2023-07-18 · ·

The invention relates to novel anisotropic compounds of formula ##STR00001##
as well as to liquid crystalline mixtures, films and electro-optical devices comprising the compound.

Polymerizable liquid crystal
11702595 · 2023-07-18 · ·

The invention relates to novel anisotropic compounds of formula ##STR00001##
as well as to liquid crystalline mixtures, films and electro-optical devices comprising the compound.

Liquid crystal composition, liquid crystal display element and liquid crystal display

A liquid crystal composition, a liquid crystal display element and a liquid crystal display comprising the liquid crystal composition belong to the field of liquid crystal display. The liquid crystal composition comprises a compound represented by formula I with a mass content of 1-10% as the first component, a compound represented by formula II with a mass content of 1-20% as the second component, more than two compounds represented by formula III as the third component, more than three compounds represented by formula IV as the fourth component, and one or more polymerizable compounds as the fifth component, the crystal composition has low rotational viscosity and low γ.sub.1/K.sub.33 on the basis of maintaining appropriate optical anisotropy. When applied to liquid crystal display elements or liquid crystal displays, the liquid crystal display has a fast response speed. ##STR00001##