Patent classifications
C09K2219/03
LIQUID CRYSTAL POLYESTER AND FILM COMPRISING THE SAME
A liquid crystal polyester comprising a repeating unit derived from an aromatic hydroxycarboxylic acid. The content of the repeating unit derived from an aromatic hydroxycarboxylic acid is 80% or more based on 100% of a total number of all repeating units of the liquid crystal polyester. The repeating unit derived from an aromatic hydroxycarboxylic acid comprises a repeating unit (A1) represented by the formula (A1) and a repeating unit (A2) represented by the formula (A2). A ratio [repeating unit (A2)/repeating unit (A1)] is 1.2 or larger. A molar ratio [phenolic hydroxyl groups/(the phenolic hydroxyl groups+acyl groups)] is 0.3 or lower, as calculated by .sup.1H-NMR.
—O—Ar.sup.11—CO— (A1)
—O—Ar.sup.12—CO— (A1)
Ar.sup.11 represents a phenylene group and Ar.sup.12 represents a naphthylene group. A hydrogen atom is optionally substituted.
DIELECTRIC COPOLYMER MATERIALS
The present invention relates to a polymerizable mixture which can be used to form a dielectric material for the preparation of passivation layers in electronic devices. The polymerizable mixture comprises a first monomer and a second monomer which may react to form a copolymer providing excellent film forming capability, excellent thermal properties and excellent mechanical properties. There is further provided a method for forming said copolymers and an electronic device containing said copolymers as dielectric material. Beyond that, the present invention relates to a manufacturing method for preparing a packaged microelectronic structure and to a microelectronic device comprising said packaged microelectronic structure formed by said manufacturing method.
COMPOUND, POLYMERIZABLE COMPOSITION, CURED PRODUCT, OPTICAL FILM, POLARIZING PLATE, AND IMAGE DISPLAY DEVICE
Provided is a compound which is capable of reducing a tilt angle of a liquid crystal molecule, and a polymerizable composition, a cured product, an optical film, a polarizing plate, and an image display device, each using the compound. The compound is represented, for example, by Formula (I), P-Sp-Z-G.sup.1-(X.sup.1-Cy.sup.1)n-(X.sup.2-A.sup.1)m-X.sup.3-A.sup.2.
Liquid crystal material, method of manufacturing liquid crystal display panel, and display panel
The present disclosure provides a liquid crystal material, a method of manufacturing a liquid crystal display panel, and a display panel. The display panel includes a thin film transistor substrate, a color film substrate, a polymer layer structure, and a liquid crystal layer. During the preparation, after three different irradiations, the liquid crystal material is directly polymerized into the first polymer layer structure and the second polymer layer structure under the irradiations, eliminating the black matrix structure and the polyimide alignment film structure, improving the display effect of the panel, and reducing preparation costs.
LOW DIALECTRIC, HIGH HEAT-DISSIPATION LIQUID CRYSTAL POLYMER COMPOSITION FOR MILLIMETER WAVE BAND, AND METHOD FOR PRODUCING SAME
Proposed is a dielectric material of a liquid-crystal polymer composition including a low-dielectric and high-heat-dissipating liquid-crystal-material monomer for a millimeter wave band and a polymer thereof, and more particularly, a liquid-crystal polymer composition including a low-dielectric and high-heat-dissipating liquid-crystal-material monomer for a millimeter wave band and a polymer thereof, the liquid-crystal-material monomer including a mesogen core, a silane-based group, and a polymerization reactive group.
BINDER COMPOSITION, COMPOUND, BINDER LAYER, OPTICAL LAMINATE, OPTICAL LAMINATE MANUFACTURING METHOD, AND IMAGE DISPLAY DEVICE
An object of the present invention is to provide a binder composition in which air unevenness is suppressed and which has excellent upper layer coating properties after being formed as a layer, a compound, a binder layer, an optical laminate, an optical laminate manufacturing method, and an image display device. The binder composition of the present invention is a binder composition containing a binder and a compound having a group represented by Formula (B1) or (B2).
##STR00001##
In Formulae (B1) and (B2), Z represents an aliphatic hydrocarbon group having a fluorine atom or an organosiloxane group.
Organic solid crystals having helical structures formed using negative templates
An optical film includes a block copolymer film defining a plurality of helically shaped cavities and a plurality of helically shaped organic solid crystals positioned within the plurality of helically shaped cavities. A method of making the optical film includes obtaining a film of a block copolymer solution including a chiral block copolymer and a non-chiral block copolymer on a substrate. The method includes annealing the film, thereby forming a plurality of helical structures from the chiral block copolymer defined within the non-chiral block copolymer and removing the plurality of helical structures, thereby creating a plurality of helically shaped cavities. The method further includes forming organic solid crystals inside the plurality of helically shaped cavities, thereby forming the optical film.
COMPOSITION FOR COLOR CONVERSION FILM, COLOR CONVERSION FILM, METHOD FOR MANUFACTURING COLOR CONVERSION FILM, BACKLIGHT UNIT, AND LIQUID CRYSTAL DISPLAY DEVICE
Provided are a composition for a color conversion film, that contains at least two types of organic light-emitting materials which emit, by an excitation light, light having a longer wavelength than the excitation light and have peak wavelengths of light emission different from each other and at least one of a photopolymerizable compound or a compound having a crosslinkable group to which a protective group that is to be eliminated by heat is bonded; a color conversion film; a method for manufacturing a color conversion film; a backlight unit; and a liquid crystal display device.
Polymer compound, liquid crystal composition, phase difference layer, optical film, polarizing plate, and image display device
An object of the present invention is to provide a polymer compound in which, by blending with a liquid crystal composition containing a liquid crystalline compound, alignment of the liquid crystalline compound in a phase difference layer to be obtained increases; and a liquid crystal composition, a phase difference layer, an optical film, a polarizing plate, and an image display device using the same. The polymer compound of the present invention is a polymer compound including a repeating unit represented by Formula (I), a repeating unit represented by Formula (II), a repeating unit represented by Formula (III), and a repeating unit represented by Formula (IV). ##STR00001##
POLYMER COMPOUND, COMPOSITION, AND MOLDED PRODUCT
An object of the present invention is to provide a polymer compound with which a molded product having a low dielectric loss tangent can be obtained, a composition, and a molded product. The polymer compound of the present invention is a polymer compound exhibiting liquid crystallinity, having a repeating unit including, in the following order, a rigid part consisting of a combination of an aromatic part having a 6-membered ring and an aromatic part having a 5-membered ring, a linker part selected from Group 1, a flexible part consisting of an alkylene group having 2 or more carbon atoms, and a linker part selected from Group 1.
Group 1: a single bond or a divalent linking group selected from the group consisting of —O—, —S—, —CO—, —SO.sub.2—, —NR—, —CH≡CH—, and a combination of these groups, where R represents a hydrogen atom or an alkyl group