公开(公告)号：US20250046221A1

公开(公告)日：2025-02-06

申请号：US18919610

申请日：2024-10-18

Applicant: Japan Display Inc.

Inventor： Hiroyuki ABE ,  Kentaro AGATA

IPC: G09G3/00 ,  G02F1/1345 ,  G02F1/1362 ,  G02F1/1368 ,  G09G3/3225 ,  G09G3/36 ,  H10K59/131

Abstract: An inspection circuit is properly protected in a display device, which the driver IC is not on the terminal area. A liquid crystal display device comprising a TFT substrate having a display area, in which video signal lines are formed, and a terminal area; a counter substrate overlapping with the display area of the TFT substrate; the counter substrate and the TFT substrate are adhered by the seal material, the display area is formed in an area surrounded by the seal material; wherein the flexible wiring circuit substrate connects to the terminal area, the driver IC, which supplies video signals to the video signal lines, is not installed in the terminal area, the inspection circuit is formed between the display area and the terminal area, wherein the inspection circuit overlaps with the counter substrate in a plan view.

公开(公告)号：US20220301512A1

公开(公告)日：2022-09-22

申请号：US17837097

申请日：2022-06-10

Applicant: Japan Display Inc.

Inventor： Takayuki SUZUKI ,  Hiroyuki ABE

IPC: G09G3/36 ,  G02F1/1345 ,  G11C19/28 ,  G02F1/1368

Abstract: A display device with a variant-shape display region other than the rectangular display region is configured to form a scanning line drive circuit along the variant-shape display region. The scanning line drive circuit includes bus wiring group with clock wiring for supplying clocks with three or more phases and the power supply wiring for supplying power, and the unit circuits for configuring the shift register including five or more transistors. The bus wiring and the unit circuits are formed on the different regions so as not to cross with one another.

公开(公告)号：US20220121304A1

公开(公告)日：2022-04-21

申请号：US17564657

申请日：2021-12-29

Applicant: Japan Display Inc.

Inventor： Yoshinori AOKI ,  Hiroyuki ABE

IPC: G06F3/041 ,  G06F3/044

Abstract: According to one embodiment, a touch panel display device includes sensor electrodes, an electrode driver, and lines for connection between the electrode driver and the sensor electrodes. The sensor electrodes include first and second electrodes. The lines include first and second lines connected to the first and second electrodes. The second line includes first portions drawn in a direction opposite to terminals of the electrode driver, and a second portion drawn in a direction to the terminals. The first portions are connected to one another via a coupling line.

公开(公告)号：US20220107526A1

公开(公告)日：2022-04-07

申请号：US17552410

申请日：2021-12-16

Applicant: Japan Display Inc.

Inventor： Hiroyuki ABE ,  Kentaro AGATA ,  Masaki MURASE ,  Kazune MATSUMURA

IPC: G02F1/1345 ,  H05K9/00 ,  G02F1/1362 ,  G02F1/1333 ,  G02F1/1343 ,  G02F1/1368 ,  H01L27/12

Abstract: In an IPS-mode liquid crystal display device, the area of a terminal portion is decreased. A liquid crystal display device includes a TFT substrate and a counter substrate attached to the TFT substrate with a sealing material, and includes a display region and a terminal portion formed on the TFT substrate. A shielding transparent conductive film is formed on the outer side of the counter substrate. On the terminal portion, an earth pad formed with a transparent conductive film is formed on an organic passivation film. The shielding transparent conductive film is connected to the earth pad through a conductor. Below organic passivation film of the terminal portion, a wire is formed.

公开(公告)号：US20210255514A1

公开(公告)日：2021-08-19

申请号：US17246808

申请日：2021-05-03

Applicant: Japan Display Inc.

Inventor： Gen KOIDE ,  Hiroyuki ABE ,  Kazune MATSUMURA

IPC: G02F1/1362 ,  H01L27/12 ,  G02F1/1345

Abstract: According to an aspect, a display device includes: a substrate; a display region; a peripheral region; signal lines; terminals; wires coupling the terminals and the signal lines in the peripheral region; and first and second metal layers in different layers perpendicularly to the substrate and an insulating film in the peripheral region. The peripheral region includes: a first wiring region, in which the wires are electrically coupled to the signal lines; a second wiring region between the first wiring region and the terminals, and in which at least one or more wires pass through the first and second metal layers; and a third wiring region between the first and second wiring regions, and in which the wires extend in a second direction intersecting the first direction. The third wiring region includes contacts coupling the first and second metal layers, and a virtual line connecting the contacts has a curved shape.

公开(公告)号：US20210191209A1

公开(公告)日：2021-06-24

申请号：US17192209

申请日：2021-03-04

Applicant: Japan Display Inc.

Inventor： Hiroyuki ABE ,  Kentaro AGATA

IPC: G02F1/1362 ,  G02F1/1333 ,  G02F1/1339 ,  G09G3/36 ,  G02F1/1345

Abstract: It is possible to reduce a size of a lower frame region to ensure a wiring corrosion margin equivalent to that of a conventional technique. In a display device, a video signal wiring arranged in the lower frame region includes, in a region between a terminal section (terminal) and a video signal line, a first wiring formed on a first wiring layer and having one end connected to the terminal section to which a video signal line driving circuit is connected, a second wiring formed on a second wiring layer different from the first wiring layer and having one end connected to the other end of the first wiring, and a third wiring formed on the first wiring layer and having one end connected to the other end of the second wiring. The other end of the third wiring is connected to the video signal line via a fourth wiring formed on the second wiring layer, and the first wiring layer is formed on the side closer to an array substrate than to the second wiring layer.

公开(公告)号：US20210081067A1

公开(公告)日：2021-03-18

申请号：US17010899

申请日：2020-09-03

Applicant: Japan Display Inc.

Inventor： Kazune MATSUMURA ,  Hiroyuki ABE ,  Hiroshi TANAKA

IPC: G06F3/041 ,  G02F1/1333 ,  G02F1/1362 ,  G02F1/1343 ,  G06F3/044

Abstract: According to one embodiment, a display device includes a display portion including a first electrode, a second electrode, first pixel electrodes overlapping the first electrode, and second pixel electrodes overlapping the second electrode, first wiring lines connected to the first electrode, second wiring lines connected to the second electrode, and a control unit electrically connected to the first wiring lines and the second wiring lines. The display portion has a first end portion farthest from the control unit and a second end portion nearest to the control unit. The first electrode is adjacent to the first end portion. The second electrode is adjacent to the second end portion. The number of first wiring lines is a same as the number of second wiring lines.

公开(公告)号：US20210036031A1

公开(公告)日：2021-02-04

申请号：US17074980

申请日：2020-10-20

Applicant: Japan Display Inc.

Inventor： Hidetatsu NAKAMURA ,  Yasuhiro KANAYA ,  Gen KOIDE ,  Hiroyuki ABE

IPC: H01L27/12 ,  G02F1/1343 ,  G02F1/1333 ,  G02F1/1362 ,  G02F1/1345 ,  G02F1/1368 ,  G06F3/044 ,  H01L23/60

Abstract: The purpose of the present invention is to prevent an overhang in a through hole in the display area when through holes in the organic passivation film in the display area and in the terminal area are simultaneously formed. The structure to realize this purpose is as follows: the terminal area having a lead wire, formed from a first metal, and extending to the display area, a first insulating film covering the lead wire, a second metal formed on the first insulating film, and a third metal formed on the surface of the second metal, wherein the first insulating film has a first through hole and a second through hole, the second metal has a first portion that connects with the lead wire via the first through hole, the second metal has a second portion that overlaps the second through hole, the second portion is separated from the first portion.

公开(公告)号：US20210018808A1

公开(公告)日：2021-01-21

申请号：US17062682

申请日：2020-10-05

Applicant: Japan Display Inc.

Inventor： Gen KOIDE ,  Hiroyuki ABE ,  Kazune MATSUMURA

IPC: G02F1/1362 ,  G09G3/36

Abstract: According to an aspect, a display device includes: a first substrate having a first side and a second side opposed to the first side; a display region provided with pixels; a first partial peripheral region between the first side and the display region; a second partial peripheral region between the second side and the display region; a plurality of signal lines configured to supply signals to switching elements in the pixels; a plurality of first terminals provided in the first partial peripheral region and configured to be electrically coupled to a driver integrated circuit; a plurality of second terminals provided in the second partial peripheral region and configured to be supplied with signals for inspection; and a first coupling circuit provided between the first terminals and the display region in the first partial peripheral region and configured to switch between coupling and decoupling the signal lines and the second terminals.

公开(公告)号：US20190219880A1

公开(公告)日：2019-07-18

申请号：US16365917

申请日：2019-03-27

Applicant: Japan Display Inc.

Inventor： Takayuki SUZUKI ,  Hiroyuki ABE

IPC: G02F1/1362 ,  H01L27/12 ,  G02F1/1333 ,  G02F1/133 ,  G02F1/1345 ,  G02F1/1368 ,  G09G3/36

CPC classification number: G02F1/136286 ,  G02F1/13306 ,  G02F1/133345 ,  G02F1/133512 ,  G02F1/133514 ,  G02F1/13378 ,  G02F1/134363 ,  G02F1/13439 ,  G02F1/1345 ,  G02F1/1368 ,  G02F2001/133519 ,  G02F2001/136295 ,  G02F2201/121 ,  G02F2201/123 ,  G02F2201/56 ,  G02F2203/04 ,  G09G3/3688 ,  G09G2300/0426 ,  G09G2310/0297 ,  H01L27/1222 ,  H01L27/124

Abstract: A liquid crystal display device having an outer shape of a display region formed other than a rectangle. A driver for supplying a video signal is disposed outside the display region. A selector with selector TFT is disposed between the display region and the driver. A video signal line is disposed between the driver and the selector, and a drain line is disposed between the selector and the display region. A scanning circuit for supplying a scanning signal to the scanning line is disposed outside the display region. The selector is disposed between the scanning line and the display region, and covered with ITO as the common electrode. The common bus wiring is disposed outside the selector.