Sharp Kabushiki Kaisha Corporation

Yuichi Iyama

Kazuhiko Tsuda

Masakazu Shibasaki

Yoshito Hashimoto

Iori Aoyama

Takatomo Yoshioka

Masumi Kubo

Takao Imaoku

Hiroyuki Ohgami

Masayuki Soga

Akira Sakai

Hisashi Watanabe

Katsuhiro Kikuchi

Yasushi Asaoka

Eiji Satoh

Akiko Miyazaki

Takashi Ochi

Hiroshi Tsuchiya

Masahiro Shimizu

Yusuke Nishihara

Akira Shibazaki

Ken Kuboki

The present invention provides a liquid crystal display panel which is capable of providing a sufficiently high response speed and an excellent transmittance, and a liquid crystal display device. The liquid crystal display panel of the present invention includes a first substrate, a second substrate, and a liquid crystal layer disposed between the substrates. The first substrate and the second substrate have electrodes. The electrodes of the second substrate include a pair of comb-shaped electrodes and a slit-formed electrode.

Liquid crystal display panel, and liquid crystal display device

A liquid crystal display panel (A) includes: a first substrate () and a second substrate (), a liquid crystal layer () retained between the first substrate () and the second substrate (), and plurality of pixels. The liquid crystal layer () has a first liquid crystal region () and a second liquid crystal region () provided outside the first liquid crystal region (). The first liquid crystal region () is essentially composed of a nematic liquid crystal material alone, whereas the second liquid crystal region () has a plurality of liquid crystal subregions () containing a nematic liquid crystal material and polymer-containing walls () formed between adjacent ones of the plurality of liquid crystal subregions (). The plurality of pixels include pixels accounting for the first liquid crystal region () and pixels accounting for the second liquid crystal region ().

LCD panel, electronic device, and method for producing LCD panel

A liquid crystal display panel (A) according to an embodiment of the present invention is a liquid crystal display panel including: a first substrate () having a pixel electrode () formed thereon; a second substrate () opposing the first substrate (); and a liquid crystal layer () retained between the first substrate () and the second substrate (). The liquid crystal layer () edges near at least one of side faces of the liquid crystal display panel (A), and includes a black layer () in contact with the side face of the liquid crystal layer () along which the liquid crystal layer () edges near at least one of the side faces of the liquid crystal display panel (A).

Liquid-crystal display panel and liquid-crystal display device

The present invention provides a liquid crystal display panel and a liquid crystal display device each of which exhibits a sufficiently high response speed and an excellent transmittance. The liquid crystal display panel of the present invention includes a first substrate; a second substrate; and a liquid crystal layer disposed between the substrates, the first substrate and the second substrate each comprising an electrode, the electrode of the second substrate including a pair of comb-shaped electrodes and a planar electrode, the liquid crystal layer containing liquid crystal molecules which are inclined from an orthogonal direction to the main faces of the substrates between the pair of comb-shaped electrodes in a plan view of the main faces of the substrates when a voltage lower than a threshold voltage is applied.

Liquid crystal display panel and liquid crystal display device

The present invention provides a liquid crystal display device that can achieve a sufficiently-high-speed response and has a sufficiently excellent transmittance and a thin film transistor array substrate preferably used in the liquid crystal display device. The thin film transistor array substrate according to the present invention is a thin film transistor array substrate that includes, as electrodes, one pair of comb electrodes and a sheet electrode, and at least one electrode selected from the group consisting of the pair of comb electrodes and the sheet electrode being electrically connected along a pixel line.

Thin film transistor array substrate and liquid crystal display device

The present invention provides a thin film transistor array substrate and a liquid crystal display device including the thin film transistor array substrate that are preferably applicable to a liquid crystal display device including the three-layered electrode structure that enables high response speed and high transmittance, and can have a high aperture ratio. The thin film transistor array substrate of the present invention includes: a thin film transistor element, gate bus lines, and source bus lines, in which the thin film transistor array substrate includes electrodes, the electrodes include a first electrode and a second electrode, the first electrode includes a linear portion along the source bus lines, the first electrode includes a linear portion along the gate bus lines, at least one linear portion along the source bus lines is disposed transversely to the linear portion along the gate bus lines in a plan view of main face of the substrate and is connected to a drain electrode of the thin film transistor element at a position overlapping the gate bus lines, and the second electrode is a planar electrode.

A light guiding element has a first principal surface, a second principal surface which opposes the first principal surface, a first lateral surface which intersects with the first principal surface and the second principal surface, and a second lateral surface which opposes the first lateral surface. The light guiding element allows light incoming from the first lateral surface to propagate between the first principal surface and the second principal surface. The light guiding element includes a portion in which a refractive index varies substantially continuously from the first principal surface toward the second principal surface.

Light guide body with continuously variable refractive index, and devices using such body

Disclosed is a liquid crystal display device of active matrix type. Each pixel electrode () includes either a single regional electrode () or two or more regional electrodes () which are electrically connected to each other. The or each regional electrode is provided with: a first electrode (cross-shaped electrode) () which has a pattern dividing a first region into a plurality of second regions (R, R, R, and R); and a plurality of stripe electrodes () which are provided in each of the second regions so as to extend from the first electrode and so as to be separated from each other by a distance. A storage capacitor line (CSL) is provided facing one of pixel electrodes () in a film thickness direction to form a storage capacitor. The storage capacitor line (CSL) is provided so as not to extend facing an edge (') of a first region in the film thickness direction parallelly to the edge (&#x2032;). The invention eliminates irregular orientation of liquid crystal molecules in polymer sustained alignment.

Liquid crystal display device

The present invention provides a liquid crystal display device which allows an improvement in contrast ratio by compensating retardation given in a liquid crystal layer, even if a retardation layer has an inclined portion, and a desired retardation is varied at the inclined portion. The present invention is a vertical alignment liquid crystal display device, including:

Liquid crystal display device and display device substrate

There is provided a liquid crystal display device of high picture quality with high brightness and small display unevenness. A vertical alignment type liquid crystal display device which has a plurality of pixels includes: a first electrode which includes, in each of the plurality of pixels, a plurality of first branch portions extending in a first direction and a plurality of second branch portions extending in a second direction that is different from the first direction; a second electrode disposed so as to oppose the first electrode; and a liquid crystal layer interposed between the first electrode and the second electrode, wherein a width of each of the plurality of first branch portions and the plurality of second branch portions is in a range not less than 1.4 &#x3bc;m and not more than 8.0 &#x3bc;m.

There is provided a liquid crystal display device of high image quality, which has high brightness and excellent viewing angle characteristics. A liquid crystal display device of the present invention includes a pair of polarizing plates, a first electrode, a second electrode provided so as to oppose the first electrode, and a liquid crystal layer interposed between the first electrode and the second electrode. Each of a plurality of pixels includes a first region and a second region which are separated by a line parallel to or perpendicular to the directions of the transmission axes of the pair of polarizing plates. The first electrode includes, in each of the first region and the second region, a plurality of first branch portions extending in a first direction and a plurality of second branch portions extending in a second direction that is different from the first direction. Each of the plurality of first branch portions in the first region has a first width. Each of the plurality of first branch portions in the second region has a second width that is different from the first width.

Growing community of inventors

Osaka, Japan

Yuichi Iyama