Mitsubishi Electric Corporation

Trivale Technologies

Naruhito Hoka

Takeshi Shimamura

Takafumi Hashiguchi

Manabu Tanahara

Kazushi Yamayoshi

Osamu Miyakawa

Naoya Hirata

Shingo Nagano

Tatsuya Baba

Shinsuke Ogata

Takeshi Sonoda

Tatsuya Nakamura

Kenichi Miyamoto

Kazunori Okumoto

Shinji Kawabuchi

Akihiko Hosono

Hirofumi Iwanaga

The display apparatus includes a plurality of gate lines, a plurality of vertical gate lines orthogonal to the gate lines, and a plurality of connection parts, each of which connects one of the gate lines and corresponding one of the vertical gate lines. The plurality of vertical gate lines extend from a first side in the display region. At least the gate line disposed closest to the first side is connected to the corresponding vertical gate line by a plurality of connection parts disposed at two or more locations.

Display apparatus

It is an object of the present invention to reduce an offset of an electrostatic capacitance and suppress a bias of detection sensitivity in a touch screen having a narrowed frame. A touch screen of the present invention includes a plurality of detection row wirings extending in a row direction, a plurality of detection column wirings, a plurality of lead wirings electrically connecting the plurality of detection row wirings and the plurality of detection column wirings to a terminal and being disposed to be drawn close to each other, and an outermost peripheral shielded wiring which surrounds the detection area along a further outer side of the outermost lead wirings and is connected to the terminal. There is a region which does not include an interlayer insulating film in a region between the detection area or the plurality of lead wirings and the outermost peripheral shielded wiring.

Touch screen, touch panel, display device, and electronic apparatus

First and second gate lines respectively extend in first and second directions in a display area. The second gate line is electrically connected to the first gate line and extends in the second direction in the display area. The second gate line is electrically connected to the first gate line outside the display area. A conductive layer may be disposed between the second gate line and a source line, and the second gate line may be electrically connected to the first gate line in the display area. To the conductive layer, a potential identical to a common potential or a ground potential is applied. An arrangement where two or more second gate lines overlap the source line may be employed. Transition of a potential of a gate signal from an on potential to an off potential may be made in two or more stages.

Liquid crystal display panel

A channel layer is formed of an oxide semiconductor. A first insulating film is provided on the channel layer, a source line, and a drain electrode, and includes a drain contact hole which reaches the drain electrode. A pixel electrode is provided on the first insulating film, includes a connection conductive layer which is connected to the drain electrode by the drain contact hole, and is formed of a transparent conductive material. The pixel electrode is covered with a second insulating film. A common electrode is provided on the second insulating film, includes an opening which faces the pixel electrode in a thickness direction, and is formed of a transparent conductive material. A metal layer, in conjunction with a part of the common electrode, forms a laminated structure, and includes a light-shield part which overlaps the channel layer at least partially in plan view.

Thin-film transistor substrate and liquid crystal display

Provided is a liquid crystal display panel including a first pixel that is brought into abutment against a photospacer, second pixels having opening regions of the same color as a color of an opening region of the first pixel, and third pixels being other pixels and having the largest area of opening regions. A distance between a photospacer set position and a through-hole in each pixel is larger in the first pixel and in the second pixels than in the third pixels.

A liquid crystal display device is equipped with: a TFT array substrate having a thin film transistor in each of pixel areas; and a counter substrate having a black matrix in which an opening part is formed in each of areas corresponding to the pixel areas. The TFT array substrate includes: a protective film formed on a drain electrode of the thin film transistor; a contact hole formed in the protective film so as to reach the drain electrode; and a pixel electrode formed on the protective film and connected to the drain electrode through the contact hole. An inner wall of the contact hole includes a first sloped part and a second sloped part which are arranged in line in a circumferential direction of the contact hole and have slope angles different from each other.

Liquid crystal display device and method for manufacturing TFT array substrate

In an FFS liquid crystal display in which a dummy pixel in a dummy pixel region is smaller than a display pixel in a display region, a slit is formed in a common electrode in the display pixel while no slit is formed in the common electrode in the dummy pixel.

Liquid crystal display panel and liquid crystal display including liquid crystal display panel

The present invention includes a thin-film transistor, a flattened film having a flattened top surface and having a contact hole formed thereon, and a pixel electrode and a common line which are disposed on the top surface of the flattened film. The common line includes a common metal line, and the pixel electrode has a connection portion formed in the contact hole and electrically connected to the thin-film transistor. The connection portion of the pixel electrode includes a connection metal film made of the material same as the material for the common metal line of the common line.

Liquid crystal display panel and method of manufacturing the same

A liquid crystal panel includes an array substrate and a counter substrate facing the array substrate that are bonded to each other through a seal located along a peripheral edge. Vcom wiring and GND wiring are provided in a peripheral region of the array substrate. The Vcom wiring is provided between a display region and the GND wiring. The GND wiring extends beyond an edge of the seal.

Liquid crystal display device

A liquid crystal display panel includes: a transparent insulating substrate; a signal line and a scanning line arranged in a display region on the transparent insulating substrate and crossing each other in a matrix; a protective insulating film arranged so as to cover at least the signal line and the scanning line from above; a first insulating film that covers the protective insulating film from above; and a first contact hole that penetrates at least the first insulating film and the protective insulating film to reach a surface of a common interconnect. The first contact hole has a bottom and an inner side surface covered with a first stacked film composed of a first transparent conductive film made of the same material as the lower electrode and a second transparent conductive film made of the same material as the upper electrode.

An array substrate includes a first electrode located above a switching element through a first insulating film, a second electrode located above the first electrode through a second insulating film, and a connection portion that is located to pass through the first insulating film, first electrode, and second insulating film and electrically connects a drain electrode of the switching element and the second electrode. The connection portion is disposed in an avoidance region provided by carving out a gate line connected to the switching element.

Array substrate and display device

On a wiring conversion part connected to a first conductive film and a second conductive film each functioning as a wiring, a hollow portion is formed inside the second conductive film. A first transparent conductive film provided on the second conductive film is formed so as to cover an upper surface of the second conductive film and an end surface thereof exposed on the hollow portion, and so as not to cover an outer peripheral end surface of the second conductive film. A second transparent conductive film which is a layer above the first transparent conductive film is connected to the second conductive film and the first conductive film, so that the first conductive film and the second conductive film are electrically connected.

Wiring structure, thin film transistor array substrate including the same, and display device

On each of wiring conversion parts connected to a first conductive film and a second conductive film each functioning as a wiring, a first transparent conductive film does not cover an end surface of the second conductive film in proximity to a corner of the first transparent conductive film, and has a portion covering the end surface of the second conductive film on a portion other than the proximity of the corners. A second transparent conductive film as an upper layer of the first transparent conductive film is connected to the first conductive film and the second conductive film, so that the first conductive film and the second conductive film are electrically connected.

Growing community of inventors

Tokyo, Japan

Naruhito Hoka