Patent classifications
C09K19/54
Liquid crystal display and method for manufacturing same
A liquid crystal display capable of reducing the occurrence of defective display due to variations in the initial alignment direction of a liquid crystal alignment control film in a liquid crystal display of an IPS scheme, realizing the stable liquid crystal alignment, providing excellent mass productivity, and having high image quality with a higher contrast ratio. The liquid crystal display has a liquid crystal layer disposed between a pair of substrates, at least one of the substrates being transparent, and an alignment control film formed between the liquid crystal layer and the substrate. At least one of the alignment control films 109 comprises photoreactive polyimide and/or polyamic acid provided with an alignment control ability by irradiation of substantially linearly polarized light.
LIQUID CRYSTAL MEDIUM
A liquid crystal medium containing a compound of formula I
##STR00001## and one or more compounds of the formulae IIA, IIB, IIC and IID,
##STR00002## useable in optical, electro-optical and electronic purposes, in particular in LC displays.
OPTICAL LAMINATE, POLARIZING PLATE, AND IMAGE DEVICE DISPLAY
An object of the present invention is to provide an optical laminate in which optically anisotropic layers exhibiting reverse wavelength dispersibility have excellent moisture-heat resistance, and the adhesiveness between a first optically anisotropic layer and a second optically anisotropic layer is excellent; and a polarizing plate and an image display device, each using the optical laminate. The optical laminate according to an embodiment of the present invention is an optical laminate having a first optically anisotropic layer and a second optically anisotropic layer, in which both of the first optically anisotropic layer and the second optically anisotropic layer are directly laminated and consist of a liquid crystal layer, at least one of the first optically anisotropic layer or the second optically anisotropic layer exhibits reverse wavelength dispersibility, a photo-alignment polymer having a photo-alignment group and a fluorine atom or a silicon atom is present on a surface of the second optically anisotropic layer on a side in contact with the first optically anisotropic layer, and an element ratio of fluorine or silicon on the surface of the second optically anisotropic layer on the side in contact with the first optically anisotropic layer is 0.05% to 15.00% by atom.
Liquid crystal alignment agent composition, and liquid crystal alignment film, and liquid crystal display using the same
The present disclosure relates to a liquid crystal alignment agent composition including: a polymer for liquid crystal alignment agent and a crosslinker compound in which a terminal crosslinking functional group is capped with a silicon-containing thermally removable protecting group, wherein a change in the number of particles during storage is lower than a certain level, a method for preparing a liquid crystal alignment film using the liquid crystal alignment agent composition, and a liquid crystal alignment film and a liquid crystal display device using the liquid crystal alignment agent film.
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##
Polymerizable composition and optically anisotropic body using same
A polymerizable composition containing: a) a polymerizable compound having one or two or more polymerizable groups and satisfying formula (I): Re(450 nm)/Re(550 nm)<1.0 (I); b) at least one photopolymerization initiator selected from the group consisting of alkylphenone-based compounds, acylphosphine oxide-based compounds, and oxime ester-based compounds; and c) a polymerization inhibitor. An optically anisotropic body, a retardation film, an antireflective film, and a liquid crystal display device that are produced using the polymerizable liquid crystal composition. The polymerizable composition is excellent in solubility and has high storage stability, so that no precipitation of crystals etc. occurs. When a film-shaped polymer is produced by polymerizing the above composition, the unevenness of the surface of the coating film is small while the alignment of the liquid crystal is maintained, and high durability is obtained. Therefore, the polymerizable composition is useful.
Polymerizable composition and optically anisotropic body using same
A polymerizable composition containing: a) a polymerizable compound having one or two or more polymerizable groups and satisfying formula (I): Re(450 nm)/Re(550 nm)<1.0 (I); b) at least one photopolymerization initiator selected from the group consisting of alkylphenone-based compounds, acylphosphine oxide-based compounds, and oxime ester-based compounds; and c) a polymerization inhibitor. An optically anisotropic body, a retardation film, an antireflective film, and a liquid crystal display device that are produced using the polymerizable liquid crystal composition. The polymerizable composition is excellent in solubility and has high storage stability, so that no precipitation of crystals etc. occurs. When a film-shaped polymer is produced by polymerizing the above composition, the unevenness of the surface of the coating film is small while the alignment of the liquid crystal is maintained, and high durability is obtained. Therefore, the polymerizable composition is useful.
Flexible controlled-release film
The present invention is directed to a flexible controlled release film for delivering a medicinal or cosmetic agent, e.g., through the skin of a subject, which delivery system comprises (a) a microembossed flexible film including microcells; (b) a liquid composition filled in the microcells wherein said liquid composition comprises the medicinal or cosmetic agent; and (c) a flexible sealing layer to enclose the liquid composition within the microcells.
Liquid crystal composition and use thereof
Provided is a liquid crystal composition and a use thereof. The liquid crystal composition has a reverse-wavelength dispersion property and excellent high-temperature durability, and the liquid crystal composition can be applied to a retardation layer, a circularly polarizing plate, or a display device, for example, an organic light emitting display device.
Liquid crystal device including insulating film, light control window and production method
To prevent arcing discharge of a liquid crystal device. Provided is a liquid crystal device including a liquid crystal layer, a first substrate, a second substrate and an insulating film, wherein the liquid crystal layer is arranged between the first substrate and the second substrate, the first substrate includes electrode 1, the second substrate includes electrode 2, the insulating film is arranged between electrode 1 and electrode 2, and the insulating film is a cured product of a thermosetting polymer composition.