Nissan Chemical Industries Limited

Kyusyu Nanotec Optics Co. Ltd.

Nissan Chemical Corporation

Jun Hashimoto

Kazuyoshi Hosaka

Hiroyuki Omura

Noritoshi Miki

Junichi Baba

Shota Yoshida

Naoki Nakaie

Haruka Koga

A liquid crystal display device having excellent liquid crystal vertical alignment properties, good transparency when a voltage is applied and good scattering properties when no voltage is applied, and good adhesion with the liquid crystal layer. The liquid crystal display device has a liquid crystal layer formed by irradiating and curing with ultraviolet rays a liquid crystal composition containing a liquid crystal and a polymerizable compound disposed between a pair of substrates provided with electrodes, and at least one of the substrates is provided with a liquid crystal alignment film to vertically align a liquid crystal. The liquid crystal composition contains a compound represented by the formula [], and the liquid crystal alignment film is obtained from a liquid crystal alignment treating agent containing a polymer having a side chain structure represented by the formula [-] or formula [-], and a side chain structure represented by the formula [

Liquid crystal display device

A liquid crystal display device, containing: a pair of substrates provided with an electrode and a liquid crystal layer formed by disposing a liquid crystal composition between the pair of substrates and by irradiating and curing the liquid crystal composition with ultraviolet rays using an ultraviolet irradiation apparatus, wherein at least one of the substrates is further provided with a liquid crystal alignment film to vertically align a liquid crystal, the liquid crystal composition contains a liquid crystal, a curable resin, a bifunctional monomer and a monomer having at least one polar group of a hydroxy group, a carboxy group or a phosphoric acid group, and the liquid crystal alignment film is a liquid crystal alignment film obtained from a liquid crystal aligning agent containing a polymer having a specific side chain structure.

Liquid crystal display element

A liquid crystal display device, whereby transparency when no voltage is applied and scattering properties when a voltage is applied, are good, adhesion between a liquid crystal layer and a vertical liquid crystal alignment film is high, and its lifespan is long even in a severe environment. The liquid crystal display device has a liquid crystal layer formed by disposing a liquid crystal composition containing a liquid crystal and a polymerizable compound between a pair of substrates provided with electrodes, and irradiating and curing the composition with ultraviolet rays by an ultraviolet irradiation apparatus, and at least one substrate is provided with a liquid crystal alignment film to vertically align a liquid crystal, wherein the ultraviolet irradiation apparatus is an ultraviolet irradiation apparatus capable of controlling the irradiation light intensity and wavelength of the ultraviolet rays to be irradiated and the surface temperature of the pair of the substrates.

A thin film that has high flatness and high charge transport properties and enables an organic EL element to achieve excellent luminance characteristics if applied thereto can be obtained by using a charge-transporting varnish which contains a charge-transporting substance, an organosilane compound that is composed of a polymer prepared in advance by subjecting an alkoxysilane compound to hydrolysis-condensation and having a weight average molecular weight of 500-10,000, and an organic solvent, said alkoxysilane compound containing at least one compound selected from among alkoxysilane compounds represented by formulae (1-1) and (1-2). SiR(OR)(1-1) SiR2(OR)(1-2) (In the formulae, each Rindependently represents an alkyl group having 1-20 carbon atoms, which is substituted by Z, or the like; each Rindependently represents an alkyl group having 1-20 carbon atoms, which may be substituted by Z; and each of Zand Zrepresents a halogen atom or the like.).

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Funabashi, Japan

Jun Hashimoto