公开(公告)号：US20250076718A1

公开(公告)日：2025-03-06

申请号：US18813118

申请日：2024-08-23

Applicant: Japan Display Inc.

Inventor： Hiroyuki ABE ,  Akihiko SAITOH

IPC: G02F1/1362 ,  G02F1/1368 ,  G09G3/36 ,  H01L27/12

Abstract: A display device includes a first transistor including a first material as a semiconductor material and including a first gate electrode, a second transistor including a second material as a semiconductor material different from the first material and including a second gate electrode arranged in a different layer from the first gate electrode, a first wiring arranged in the same layer as the first gate electrode, a second wiring arranged in the same layer as the second gate electrode, and a third wiring formed in the same layer as a source electrode or a drain electrode of the second transistor and different from the first wiring and the second wiring. The first wiring, the second wiring and the third wiring overlap in a plan view.

公开(公告)号：US20240280864A1

公开(公告)日：2024-08-22

申请号：US18654148

申请日：2024-05-03

Applicant: Japan Display Inc.

Inventor： Gen KOIDE ,  Hiroyuki ABE ,  Kazune MATSUMURA

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

CPC classification number: G02F1/13452 ,  G02F1/1345 ,  G02F1/136286 ,  G09G3/3677 ,  G09G2300/0426

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：US20240256067A1

公开(公告)日：2024-08-01

申请号：US18630161

申请日：2024-04-09

Applicant: Japan Display Inc.

Inventor： Hiroyuki ABE ,  Yoshinori AOKI ,  Kazune MATSUMURA ,  Masateru MORIMOTO

IPC: G06F3/041 ,  G02F1/1333 ,  G02F1/1343 ,  G06F3/044 ,  G09G3/36

CPC classification number: G06F3/0412 ,  G06F3/0416 ,  G06F3/044 ,  G06F3/0443 ,  G06F3/0446 ,  G02F1/13338 ,  G02F1/134309 ,  G02F2201/56 ,  G09G3/3648 ,  G09G2300/0413 ,  G09G2300/0426 ,  G09G2310/0232 ,  G09G2310/0281

Abstract: According to an aspect, a display device with a sensor includes: a substrate including a display region and a peripheral region on a periphery of the display region; detection electrodes arranged in a row-column configuration in the display region; and detection lines coupled to the respective detection electrodes. A shape of the substrate in a plan view includes a curve of a curved portion. The detection electrodes include a first electrode and a second electrode having a shape different from that of the first electrode in a plan view. The second electrode is juxtaposed with the curved portion. The detection lines each include a first line coupled to the first electrode and a second line coupled to the second electrode. The second line passes from the display region across the peripheral region and extends to a position overlapping with the second electrode in a plan view.

公开(公告)号：US20240152011A1

公开(公告)日：2024-05-09

申请号：US18414623

申请日：2024-01-17

Applicant: Japan Display Inc.

Inventor： Takayuki SUZUKI ,  Hiroyuki ABE

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

CPC classification number: G02F1/136286 ,  G02F1/13306 ,  G02F1/133345 ,  G02F1/1345 ,  G02F1/1368 ,  G09G3/3688 ,  H01L27/1222 ,  H01L27/124 ,  G02F1/133519 ,  G09G2300/0426 ,  G09G2310/0297

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.

公开(公告)号：US20240071327A1

公开(公告)日：2024-02-29

申请号：US18456733

申请日：2023-08-28

Applicant: Japan Display Inc.

Inventor： Hiroyuki ABE ,  Akihiko SAITOH ,  Teppei YAMADA

IPC: G09G3/36 ,  G06V40/13

CPC classification number: G09G3/3607 ,  G06V40/1318 ,  G09G2354/00

Abstract: According to one embodiment, a liquid crystal display device with an optical sensor includes a display panel and a driver IC. The display panel includes first to third signal lines, an optical sensor including a photoelectric conversion element, and a sensor signal line that is connected to the optical sensor and transmits a detection signal to the driver IC. One first wiring line drawn from one terminal of the driver IC is connected to four switching elements. Three of the four switching elements are electrically connected to one of the first to third signal lines, respectively. One of the four switching elements, different from the three switching elements, is electrically connected to the sensor signal line.

公开(公告)号：US20230260436A1

公开(公告)日：2023-08-17

申请号：US18307847

申请日：2023-04-27

Applicant: Japan Display Inc.

Inventor： Hiroyuki ABE ,  Kentaro AGATA

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

CPC classification number: G09G3/006 ,  G09G3/3225 ,  G09G3/3648 ,  G02F1/13452 ,  G02F1/136286 ,  G02F1/13454 ,  H10K59/131 ,  G09G2330/12 ,  G02F1/1368

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：US20220299813A1

公开(公告)日：2022-09-22

申请号：US17655440

申请日：2022-03-18

Applicant: Japan Display Inc.

Inventor： Hiroyuki ABE ,  Masateru MORIMOTO ,  Akihiko SAITOH

IPC: G02F1/1333 ,  G02F1/1368

Abstract: According to one embodiment, a display device includes a first substrate, a second substrate and a liquid crystal layer. The first substrate includes a base, a sensor and a sensor circuit. The sensor is interposed between the base and the liquid crystal layer in a display area including pixels. The sensor outputs a sensing signal corresponding to light incident from alongside the liquid crystal layer. The sensor circuit includes a plurality of switching elements. The pixels include first to third sub-pixels. At least some of elements of the switching elements are arranged in each of areas where the first to third sub-pixels are arranged. A signal line for the sensor, which outputs the sensing signal, is placed on a same layer as a feeding line connected to the sensor.

公开(公告)号：US20220260880A1

公开(公告)日：2022-08-18

申请号：US17734216

申请日：2022-05-02

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：US20210240962A1

公开(公告)日：2021-08-05

申请号：US17165482

申请日：2021-02-02

Applicant: Japan Display Inc.

Inventor： Hiroyuki ABE

IPC: G06K9/00 ,  H01L27/146

Abstract: According to an aspect, a detection device includes: a substrate; a plurality of photoelectric conversion elements provided to the substrate; a plurality of transistors provided corresponding to each of the photoelectric conversion elements; and a plurality of scan lines that extend in a first direction. A plurality of detection elements each include the photoelectric conversion element and the transistors provided so as to overlap the photoelectric conversion element. The detection elements include a first detection element and a second detection element adjacent in a second direction intersecting the first direction, and one of the scan lines is provided between the first detection element and the second detection element and is coupled to the first detection element and the second detection element.

公开(公告)号：US20210109622A1

公开(公告)日：2021-04-15

申请号：US17132442

申请日：2020-12-23

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.