A polymer blend is provided of a fluoropolymer and a liquid crystal polymer. The blend is achieved using a compatibilizer composition that contains a copolymer having a fluorine-containing monomer and a liquid crystal monomer.

A porous liquid crystal polymer sheet that includes: a resin sheet having pores and containing a first component composed of a liquid crystal polymer and a second component accounting for a highest weight percentage of the resin sheet except for the first component, wherein, when a region containing the second component is defined as a first region, and a region having a smaller content of the second component than the first region is defined as a second region in the porous liquid crystal polymer sheet, the first region has higher compressive strength than the second region, the second component has an average particle size smaller than an average pore size of the pores, and the second component is not in contact with an inside of the pores.

The present disclosure provides a liquid crystal display panel and a liquid crystal display device, and relate to a field of display technology. The liquid crystal display panel comprises an array substrate (ARR) and a color film substrate (CF) which are cell-assembled, and a liquid crystal layer (LC) disposed between the array substrate (ARR) and the color film (CF) substrate. Wherein the liquid crystal layer (LC) comprises a negative liquid crystal composition; the total mass content of monomers containing dibenzothiophene structure and monomers containing dibenzofuran structure in the negative liquid crystal composition is not more than 2%.

The present invention provides: a liquid crystal alignment film which has good liquid crystal alignment properties, while having excellent pretilt angle developability; a liquid crystal display element which is provided with this liquid crystal alignment film; and a liquid crystal aligning agent which enables the achievement of this liquid crystal alignment film. The present invention provides a liquid crystal aligning agent which contains: as a component (A), a compound that has a thermally crosslinkable group and a photo-alignment group represented by formula (pa-1), wherein the thermally crosslinkable group is capable of forming a covalent bond by being reacted with a carboxy group; and as a component (B), a polyamic acid and a solvent. (In formula (pa-1), A represents a phenylene group or the like; R1 represents COO or OCO; R2 represents a cyclohexane-1,4-diyl group; R3 represents a cyclohexane-1,4-diyl group; R4 represents a linear or branched alkyl group having 1 to 40 carbon atoms, and some or all of the hydrogen atoms in this alkyl group may be substituted by fluorine atoms; D represents an oxygen atom, a sulfur atom or NRd-; a represents an integer of 0 to 3; and * denotes a bonding position.)

A liquid crystal composition contains at least one compound selected from compounds represented by Formula (1), at least one compound selected from compounds represented by Formula (2), at least one compound selected from compounds represented by Formula (3), and at least one compound selected from compounds represented by Formula (4), and does not contain a compound represented by Formula(S).

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The new LC media exhibit a new spontaneous, self-supporting ferroelectric smectic phase. They typically comprise one or more dielectrical neutral, aromatic compounds described further in the description in a highly polar host mixture typical for ferro-electric nematic mixtures. The mixtures are useful for electro-optics, electronics, electro-mechanic and other applications for materials with very high dielectric permittivity. In addition, the present invention relates to liquid crystal devices, electric and electronic elements which contain the liquid crystalline media according to the invention.

A polymerisable LC medium comprising one or more di- or multireactive mesogenic compounds, one or more chiral compounds with (s)-configuration, and one or more chiral compounds with (R)-configuration, wherein at least one of the chiral compounds comprises an photoisomerisable group. Further, a method for its preparation, a polymer film obtainable from a corresponding polymerisable LC medium, and a method of preparation of such polymer film. The polymer films may be used for purposes such as, for example, adjusting optical properties of a liquid crystal display (LCD), improving light utilization efficiency, ensuring anti-reflectivity and visibility in an organic light emitting device (OLED), or for AV/VR. Further, the use of such polymer film and said polymerisable LC medium for optical, electro-optical, decorative or security applications and for corresponding devices.

A liquid crystal (LC) medium comprising one or more polymerizable compounds, its use for optical, electro-optical, and electronic purposes, in particular in LC displays, especially in LC displays of the PSA (polymer sustained alignment) or SA (self-aligning) mode. Also, an LC display of the PSA or SA mode comprising the LC medium, and a process of manufacturing the LC display using the LC medium, especially an energy-saving LC display and energy-saving LC display production process.

A liquid crystal composition contains at least one compound selected from compounds represented by Formula (1), at least one compound selected from compounds represented by Formula (2), at least one compound selected from compounds represented by Formula (3), and at least one compound selected from compounds represented by Formula (4), and does not contain a compound represented by Formula(S). ##STR00001##

A porous liquid crystal polymer sheet that includes a resin sheet containing a liquid crystal polymer and having pores. The porous liquid crystal polymer sheet has a melt viscosity of 20 Pa.Math.s or more under the conditions of a shear rate of 1000 s.sup.1 and a measurement temperature that is 20 C. higher than a melting point of the resin sheet.