Japan Display Inc.

Masato Kesho

Toshimasa Yonekura

Masanobu Nonaka

Jin Hirosawa

Kentaro Okuyama

Kazuhiro Takahashi

Yoshihide Ohue

Koji Kitamura

Hiroya Morimoto

Hirokazu Morimoto

A display device includes a display region, a peripheral region around the display region, a sealing portion provided in the peripheral region to seal a liquid crystal layer, and a liquid crystal supply portion provided at a part of the sealing portion and interconnecting an outside of the sealing portion and the display region. The peripheral region includes a first peripheral region which is provided between the display region and the sealing portion and from which an insulating film is removed and a second peripheral region which is provided between the display region and the sealing portion and in which the insulating film covering a circuit is formed. A light blocking film arranged so as to straddle the first and second peripheral regions and extending linearly in an extending direction of a boundary between the first and second peripheral regions is formed on a substrate.

Display device

A display device includes a display region, a peripheral region around the display region, a sealing portion provided in the peripheral region to seal the liquid crystal layer, and a liquid crystal supply portion provided at a part of the sealing portion and interconnecting an outside of the sealing portion and the display region. The liquid crystal supply portion is provided along one side of the peripheral region. The peripheral region includes a first peripheral region located between the display region and the sealing portion. An insulating film is removed in the first peripheral region. In the first peripheral region, a plurality of second spacer members and a plurality of third spacer members to support the plurality of second spacer members are provided.

A display device according to an aspect of the present invention includes a first substrate, a second substrate faces the first substrate, and a light shielding layer provided on the second substrate. The second substrate has a slit that splits the light shielding layer into a first frame pattern close to the center of the second substrate and a second frame pattern away from the center. The first substrate includes a light shielding body superimposed on the slit in a region between a display area and a terminal area of the first substrate. The light shielding body includes a plurality of light shielding pieces arranged in an extending direction of the slit. The light shielding pieces adjacent to each other are arranged on different layers via an insulating layer, and are electrically insulated from each other.

A display device includes a plurality of wiring lines that electrically couple a scanning line drive circuit arranged outside a first side of a display area to scanning lines. A first wiring line and a second wiring line adjacent thereto out of the wiring lines each include a linear portion and a coupling portion. The linear portion linearly extends in a direction away from the scanning line drive circuit. The coupling portion is formed continuously with the linear portion, curves to the second side of the display area from the direction in which the linear portion extends, and has a larger width than a width of the linear portion as the coupling portion becomes closer to the second side of the display area. A boundary of the coupling portion of the first piece of wiring facing the second piece of wiring is curved.

A first substrate includes first and second gate lines extending in a first direction, first and second source lines extending in a second direction and a switching element electrically connected with the gate line and the source line. A pixel electrode includes a contact portion contacting with the switching element and extending in the first direction and a main pixel electrode contacting with the contact portion and extending in the second direction. The switching element includes a drain electrode arranged between the source lines. The drain electrode includes a first electrode portion located under the contact portion, a second electrode portion located under the main pixel electrode and connected with the first electrode portion, a third electrode portion connected with the second electrode portion along the first gate line, and a fourth electrode portion connected with the second electrode portion and extending along the second gate line.

Liquid crystal display device

An array substrate includes a pixel electrode having a contact portion, a pair of main pixel electrodes extending in a first direction from the contact portion, and a sub-pixel electrode arranged between the contact portion and an end of the main pixel electrode so as to connect the main pixel electrodes. A counter substrate includes a common electrode having first, second and third main common electrodes. The third main common electrode is arranged substantially in the center between the pair of main pixel electrodes. A sub-common electrode is arranged between the contact portion and the sub-pixel electrode in the first direction. The third main common electrode includes a cutout portion, and the sub-pixel electrode crosses the third main common electrode at the cutout portion. The first sub-common electrode includes cutout portions, and the pair of main pixel electrodes cross the first sub-common electrode at the cutout portions, respectively.

According to one embodiment, a liquid crystal display device includes a first substrate including a pixel electrode having a cross shape and surrounded by a first gate line, a second gate line, a first source line and a second source line, the pixel electrode including a main pixel electrode which extends in a first direction and a sub-pixel electrode extending in a second direction, a second substrate including a common electrode, the common electrode including main common electrodes which extend in the first direction and are located, respectively, above the first gate line and above the second gate line, and a liquid crystal layer held between the first substrate and the second substrate.

According to one embodiment, a flat-panel display device includes a first substrate including an output pad to which a signal necessary for displaying an image on an active area is supplied from a signal supply source, a dummy pad juxtaposed with the output pad, a signal line connected to the output pad, a switching element connected to the signal line, a pixel electrode connected to the switching element in the active area, a first dummy line connected to the dummy pad, spaced apart from the signal line and including a first projection protruding in a direction crossing a direction of extension of the first dummy line, and a second dummy line spaced apart from the dummy pad and the signal line and including a second projection opposed to the first projection.

Flat-panel display device

An insulating film is arranged between a gate line and a gate shield electrode. A concave portion which extends in a first direction along with the edges of the gate line is formed in the insulating film. The concave portion in a slit shape is formed along with the edges of both sides of the gate line, respectively. The gate shield electrode extends to the concave portion.

According to one embodiment, a liquid crystal display device includes a first substrate including a pixel electrode which is located in an inside surrounded by a first gate line, a second gate line, a first source line and a second source line, and a second substrate including a common electrode. The pixel electrode includes a contact portion, two or more main pixel electrodes, and a connection portion connecting the main pixel electrodes. The common electrode includes main common electrodes located above the first gate line, above the second gate line and above a point between the main pixel electrodes, and sub-common electrodes located above the first source line and above the second source line.

In one embodiment, a first substrate is provided with a pixel electrode including a contact portion, a pair of main pixel electrodes extending in a first direction from the contact portion, a sub-pixel electrode arranged between the contact portion and an end of the extending main pixel electrodes and extending in a second direction so as to connect the pair of main pixel electrodes. A second substrate is provided with a common electrode including first and second main common electrodes sandwiching the pair of the main pixel electrodes, a third main common electrode arranged substantially in the center between the pair of main pixel electrodes and extending in parallel with the first and second main common electrodes, and a sub-common electrode arranged between the contact portion and the sub-pixel electrode and connected with the first, second and third main common electrodes extending in the second direction.

According to one embodiment, an apparatus includes a first substrate including a pixel electrode including a contact portion, main pixel electrodes extending in a second direction perpendicular to a first direction from two end portions of the contact portion in the first direction, and a connecting portion electrically connecting extended distal ends of the main pixel electrodes, a second substrate including a common electrode including main common electrodes extending substantially parallel to the main pixel electrode on either side of the main pixel electrode, and secondary common electrodes extending between the main common electrodes between the pixel electrodes juxtaposed in the second direction, and a liquid crystal layer.

Liquid crystal display apparatus

According to one embodiment, a liquid crystal display device includes a first substrate including a first gate line and a second gate line, a semiconductor layer, a gate electrode electrically connected to the first gate line, a source electrode which contacts the semiconductor layer and which is electrically connected to a first source line, and a drain electrode including a first electrode portion which contacts the semiconductor layer, a second electrode portion which is connected to the first gate line side of the first electrode portion, and a third electrode portion which is connected to the second gate line side of the first electrode portion, a second substrate including a common electrode, and a liquid crystal layer between the first substrate and the second substrate.

According to one embodiment, a device includes a first substrate including a pixel electrode including a contact portion, main pixel electrodes extending from the contact portion in a second direction, and a connection portion which electrically connects the main pixel electrodes, and a switching element including a drain electrode disposed at a middle position in the first direction of the pixel electrode and formed integral with the pixel electrode, a second substrate including main common electrodes extending substantially in parallel to the main pixel electrodes, on both sides of the main pixel electrodes, and sub-common electrodes which extend between the main common electrodes and are located between the pixel electrodes arranged in the second direction, and a liquid crystal layer.

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Kanazawa, Japan

Masato Kesho