A liquid crystal display includes a pixel electrode including a first subpixel electrode and a second subpixel electrode spaced apart with a gap therebetween, a common electrode facing the pixel electrode, and a liquid crystal layer formed between the pixel electrode and the common electrode and including a plurality of liquid crystal molecules. The first and second subpixel electrodes include a plurality of branches, and each of the first and second subpixel electrodes includes a plurality of subregions. The branches extend in different directions in different subregions.

With the use of a photoalignment film, the present invention provides a liquid crystal display device capable of maintaining a favorable voltage holding ratio and reducing or preventing image sticking, stains, and a decrease in contrast ratio for a long time not only in a room-temperature environment but also in a high-temperature environment; and a method for producing such a liquid crystal display device. The liquid crystal display device of the present invention includes paired substrates; a liquid crystal layer disposed between the substrates; a photoalignment film disposed between at least one of the substrates and the liquid crystal layer; and a polymer layer disposed between the photoalignment film and the liquid crystal layer, wherein the polymer layer has a structure derived from a specific epoxy-based monomer and a structure derived from a specific curing agent.

The present invention provides a liquid crystal display device that includes a retardation layer with excellent thermal stability and suppresses a decrease in contrast ratio caused by scattering even when the retardation layer has been formed by polymerizing reactive monomers. The liquid crystal display device includes a pair of substrates and a liquid crystal layer held between the substrates. At least one of the substrates includes a retardation layer that contains a polymer of at least one type of monomer. The at least one type of monomer includes a photo-alignment monomer represented by a certain formula.

The present invention provides a liquid crystal display device that includes a retardation layer with excellent thermal stability and suppresses a decrease in contrast ratio caused by scattering even when the retardation layer has been formed by polymerizing reactive monomers. The liquid crystal display device includes a pair of substrates and a liquid crystal layer held between the substrates. At least one of the substrates includes a retardation layer that contains a polymer of at least one type of monomer. The at least one type of monomer includes a photo-alignment monomer represented by a certain formula.

A composite photoalignment layer for aligning liquid crystal molecules includes: a monomeric material; a photoinitiator or a thermal initiator; and an azo dye material. A method for preparing a composite photoalignment layer for aligning liquid crystal molecules includes: mixing, in solution form, a monomeric material, a photoinitiator or a thermal initiator, and an azo dye material; coating the mixed solution onto a substrate to form a thin film; exposing the thin film to polarized light; and, with a thermal initiator, heating the thin film to polymerize the monomeric material and form a solid thin film.

Organic ligand-capped quantum dots and curable ink compositions containing the organic ligand-capped quantum dots are provided. Also provided are thin films formed from the ink compositions.

A liquid crystal display is formed by arraying a plurality of pixels 10, and the pixel 10 includes a first substrate 20, a second substrate 50, a first electrode 120 formed on the first substrate 20, a second electrode 52 formed on the second substrate 50, and a liquid crystal layer 60. A pretilt angle is provided to a liquid crystal molecule 61, and the first electrode 120 is formed of a transparent conductive material layer and a foundation layer 150 including a plurality of projecting portions 130 and recessed portions 140. A first transparent conductive material layer 135 connected to a first power feeding unit is formed on a projecting portion top surface 151 of the foundation layer 150, and a second transparent conductive material layer 145 connected to a second power feeding unit is formed on a recessed portion bottom surface 152 of the foundation layer 150.

A shape-programmable liquid crystal elastomer comprises polymerized, nematic monomers. The monomers are organized into a plurality of voxels with each voxel having a director orientation.

Disclosed is a liquid crystal composition including at least one compound selected from the group consisting of a liquid crystal compound expressed by Formula 1-1 and a liquid crystal compound expressed by Formula 1-2; at least one compound selected from the group consisting of a self-alignment compound expressed by Formula 2-1 and a self-alignment compound expressed by Formula 2-2; and at least one compound selected from the group consisting of a reactive mesogen expressed by Formula 3-1, a reactive mesogen expressed by Formula 3-2, a reactive mesogen expressed by Formula 3-3, a reactive mesogen expressed by Formula 3-4, and a reactive mesogen expressed by Formula 3-5. The liquid crystal composition also has negative dielectric anisotropy.

This liquid crystal display device is provided with: a pair of substrates which have conductive films, respectively; a liquid crystal layer which is arranged between the pair of substrates and contains a liquid crystal; and a liquid crystal control layer which is formed on the substrate-side interface of the liquid crystal layer by means of polymerization of a polymerizable monomer, and which controls the alignment of the liquid crystal. With respect to this liquid crystal display device, at least one of the pair of substrates is not provided with a liquid crystal alignment film, and the liquid crystal control layer contains a compound that has at least one partial structure which is selected from the group consisting of a fluorene structure-containing group, an aromatic amino group and a nitrogen-containing aromatic heterocyclic group.