Sony Corporation

Tadaaki Isozaki

Shunichi Suwa

Masashi Miyakawa

Masahiko Nakamura

Yuichi Inoue

Shunichi Hashimoto

Tsuyoshi Kamada

Ryo Ogawa

Kenichi Takahashi

Minako Sugiura

Eiji Okabe

Ryushi Shundo

Hideo Saito

Teiichiro Nishimura

Yoji Nagase

Keiichi Nito

Seiji Shibahara

Makoto Jisaki

Shoko Miyamoto

A liquid crystal display device including an array of pixels each including first and second substrates, first and second electrodes formed on opposing surfaces of the first and second substrates, which surfaces are positioned opposite to the second and first substrates, first and second alignment restricting portions provided in the first and second electrodes, first and second alignment films covering respectively the first and second electrodes, the first and second alignment restricting portions, and the opposing surfaces of the first and second substrates, and a liquid crystal layer formed between the first and second alignment films and containing liquid crystal molecules, wherein, in each pixel, major axes of a group of liquid crystal molecules are positioned substantially in the same imaginary plane in a predetermined overlapped region between the first and second electrodes, and a pre-tilt is given to the liquid crystal molecules by at least the first alignment film.

Liquid crystal display device and method for manufacturing the same

A method of manufacturing a liquid crystal display device with which response characteristics are able to be easily improved without using major equipment is provided. The method of manufacturing a liquid crystal display device includes steps of forming a first alignment film including a polymer compound having a crosslinkable functional group as a side chain on one substrate of a pair of substrates; forming a second alignment film on the other substrate of the pair of substrates; arranging the pair of substrates so that the first alignment film and the second alignment film are opposed to each other, and sealing a liquid crystal layer containing a liquid crystal molecule having negative dielectric constant anisotropy between the first alignment film and the second alignment film; and bridging the polymer compound to give pre-tilt to the liquid crystal moleculeafter sealing the liquid crystal layer.

Liquid crystal display unit and method of manufacturing the same

A liquid crystal display capable of realizing a high transmittance while maintaining favorable voltage response characteristics, and a method of manufacturing the same. The liquid crystal display includes: a liquid crystal layer; a first substrate and a second substrate arranged to face each other with the liquid crystal layer in between; a plurality of pixel electrodes provided on a liquid crystal layer side of the first substrate; and an opposite electrode provided on the second substrate to face the plurality of pixel electrodes. One or both of a face on the liquid crystal layer side of the pixel electrode, and a face on the liquid crystal layer side of the opposite electrode includes a concavo-convex structure.

Liquid crystal display and method of manufacturing liquid crystal display

A method of manufacturing a liquid crystal display element capable of easily improving response characteristics without using a large apparatus is provided. After alignment films made of a polymer compound including a crosslinkable functional group as a side chain and a bulky skeleton such as an adamantane skeleton are formed in a TFT substrate and a CF substrate, the alignment films are arranged to face each other, and a liquid crystal layerincluding liquid crystal molecules is sealed between the alignment films, and then, in a state where the liquid crystal molecules are aligned to allow long-axis directions thereof to be oblique with respect to a substrate surface, the polymer compound in the alignment films is reacted to form a polymer compound including a cross-linked structure, and predetermined pretilts are provided to liquid crystal molecules placed in proximity to the alignment films.

Liquid crystal display and method of manufacturing the same

A method of manufacturing a liquid crystal display element capable of easily improving response characteristics without using a large apparatus is provided. After alignment filmsandmade of a polymer compound including a crosslinkable functional group as a side chain and a bulky skeleton such as an adamantane skeleton are formed in a TFT substrateand a CF substrate, the alignment filmsandare arranged to face each other, and a liquid crystal layerincluding liquid crystal moleculesis sealed between the alignment filmsand, and then, in a state where the liquid crystal moleculesare aligned to allow long-axis directions thereof to be oblique with respect to a substrate surface, the polymer compound in the alignment filmsandis reacted to form a polymer compound including a cross-linked structure, and predetermined pretilts are provided to liquid crystal moleculesA andB placed in proximity to the alignment filmsand, respectively.

A liquid crystal display device including a liquid crystal display device that includes a first alignment film and a second alignment film that are provided on opposing face sides of a pair of substrates and a liquid crystal layer provided between the first alignment film and the second alignment film and that includes liquid crystal molecules with negative dielectric constant anisotropy, wherein the first alignment film includes a compound in which a first polymer compound that includes a cross-linked functional group or a polymerized functional group as a side chain is cross-linked or polymerized, the second alignment film includes a compound in which a second polymer compound is cross-linked or polymerized, and a pretilt is conferred on the liquid crystal molecules by cross-linking or polymerizing the first polymer compound by the first alignment film and vertically aligning the liquid crystal molecules by the second alignment film.

Liquid crystal display device and manufacturing method thereof

A liquid crystal display capable of realizing a high transmittance while maintaining favorable voltage response characteristics, and a method of manufacturing the same are provided. The liquid crystal display includes: a liquid crystal layer; a first substrate and a second substrate arranged to face each other with the liquid crystal layer in between; a plurality of pixel electrodes provided on a liquid crystal layer side of the first substrate; and an opposite electrode provided on the second substrate to face the plurality of pixel electrodes. One or both of a face on the liquid crystal layer side of the pixel electrode, and a face on the liquid crystal layer side of the opposite electrode includes a concavo-convex structure.

Disclosed herein is a liquid crystal display having a liquid crystal display element, the liquid crystal display element including: a pair of alignment films provided on mutually facing sides of a pair of substrates; and a liquid crystal layer which is provided between the pair of alignment films and contains a liquid crystal molecule having a negative dielectric anisotropy, wherein at least one of the pair of alignment films contains a cross-linked compound obtained by cross-linking a polymer compound having a cross-linkable functional group as a side chain, the liquid crystal layer further contains a molecule which has a ring structure and a spacer linking the ring structure, and the liquid crystal molecule is given a pre-tilt by the cross-linked compound.

A liquid crystal display device includes a liquid crystal display element including a first alignment film and a second alignment film and a liquid crystal layer that is provided between the first alignment film and the second alignment film, wherein the first alignment film includes a compound in which a polymer compound that includes a cross-linked functional group or a polymerized functional group as a side chain is cross-linked or polymerized, the second alignment film includes the same compound as the compound that configures the first alignment film, and the formation and processing of the second alignment film is different from the formation and processing of the first alignment film and when a pretilt angle of the liquid crystal molecules which is conferred by the first alignment film is &#x3b8;and a pretilt angle of the liquid crystal molecules which is conferred by the second alignment film is &#x3b8;, &#x3b8;&#x3e;&#x3b8;.

There is provided a liquid crystal display device including a liquid crystal display element including a first alignment film and a second alignment film provided on opposing surfaces of a pair of substrates, and a liquid crystal layer arranged between the first alignment film and the second alignment film and including crystal molecules having negative dielectric constant anisotropy. At least the first alignment film includes a compound in which a polymer compound having a first side chain and a second side chain is crosslinked or polymerized. The first side chain has a crosslinkable functional group or a polymerizable functional group. The second side chain has a structure inducing dielectric anisotropy. The liquid crystal molecules are pretilted by the first alignment film.

Liquid crystal display device and method of manufacturing the same

A method of manufacturing a liquid crystal display device with which response characteristics are able to be easily improved without using major equipment is provided. The method of manufacturing a liquid crystal display device includes steps of forming a first alignment filmincluding a polymer compound having a crosslinkable functional group as a side chain on one substrate of a pair of substratesand; forming a second alignment filmon the other substrate of the pair of substratesand; arranging the pair of substratesandso that the first alignment filmand the second alignment filmare opposed to each other, and sealing a liquid crystal layercontaining a liquid crystal moleculehaving negative dielectric constant anisotropy between the first alignment filmand the second alignment film; and bridging the polymer compound to give pretilt to the liquid crystal moleculeafter sealing the liquid crystal layer

A liquid crystal display element for performing a display by a VA mode includes a first substrate including a first electrode, a liquid crystal layer including a liquid crystal molecule exhibiting a negative dielectric anisotropy, and a second substrate facing the first substrate with the liquid crystal layer in between, and including a second electrode facing the first electrode. Only the first electrode, or both of the first electrode and the second electrode are provided with a structure generating a distortion in an electric field, and the liquid crystal molecule located on the second substrate side has a pre-tilt angle larger than that of the liquid crystal molecule located on the first substrate side.

Growing community of inventors

Kanagawa, Japan

Tadaaki Isozaki