Panasonic Liquid Crystal Display Co., Ltd.

Hiroyuki Yabuki

Tomohiro Nakayama

Ryutaro Oke

Kazuhiko Tsuda

Yoshihiko Uchida

A display device according to a present disclosure comprises: a display region; a frame region disposed around the display region; a plurality of first wirings extending in a first direction in the display region; a first drive circuit electrically connected to one end of each of the plurality of first wirings; a first inspection wiring electrically connected to another end of each of the plurality of first wirings through each of a plurality of inspection thin film transistors; a second inspection wiring connected to a gate electrode of each of the plurality of inspection thin film transistors; an inspection drive circuit electrically connected to the second inspection wiring; and an inspection circuit electrically connected to the first inspection wiring, wherein at least a part of the second inspection wiring extends in the first direction in the display region.

Display device

A display device according to a present disclosure comprises: a first glass substrate including a through-hole; a wiring disposed in a first main surface of the first glass substrate; and a terminal formed in a second main surface of the first glass substrate and electrically connected to the wiring through the through-hole.

Display device and manufacturing method for display device

A display device includes a gate lines extending in a first direction, data lines extending in a second direction, pixel electrodes, a common electrode disposed to face the pixel electrodes, common wirings that are electrically connected to the common electrode; and a common bus line that extends in the first direction outside of a display region and is electrically connected to the common wirings. Each of the common wiring includes a first common wiring portion extending in the first direction and a second common wiring portion that is connected to the first common wiring portion and extends in the second direction outside of the display region. A width of the first common wiring portion in the first direction is larger than a width of the second common wiring portion in the first direction. Both ends of the first common wiring portion in the first direction are electrically connected to the common bus line.

Display device comprising a plurality of common wirings each having an associated connecting portion disposed in a common plane with one another

A liquid crystal display device includes an image display area including a plurality of pixels arranged in a matrix, and a peripheral area disposed outside the image display area and including circuitry. The peripheral area includes a first potential supply layer, a second potential supply layer and a third potential supply layer. The first potential supply layer is provided to supply a potential to a common electrode of the plurality of pixels in the image display area. The third potential supply layer is connected to power supply circuitry for receiving the potential. The second potential supply layer includes bridge patterns separated by spaces, and the bridge patterns connect the first potential supply layer and the second potential supply layer.

Liquid crystal display device and manufacturing method thereof

Display device comprising a first common wiring portion having a width larger than a width of a second common wiring portion

In a liquid crystal display device, a TFT substrate includes a GAL layer including gate signal lines, an SDL layer including data signal lines, and a CMT layer including common signal lines and a common signal bus line. The common signal bus line is connected to, among a plurality of common potential supply terminals arranged on one side of the TFT substrate, one of common potential supply terminals that are positioned at both ends, and is connected to a common potential supply terminal on an inner side with respect to the common potential supply terminals at both the ends so as to overlap and cross with at least one of the data signal lines.

Liquid crystal display device with common signal bus line

Provided is a liquid crystal display device including a TFT substrate including a pixel electrode and a common electrode. A GAL layer includes gate signal lines, a CMT layer includes common signal lines and a common signal bus line, and an SDL layer includes data signal lines. At least one of the GAL layer and the SDL layer includes a common potential bus line. Further, the TFT substrate includes an interlayer connecting portion for connecting the common signal bus line and the common potential bus line to each other.

Growing community of inventors

Hyogo, Japan

Hiroyuki Yabuki