公开(公告)号：US12142236B2

公开(公告)日：2024-11-12

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

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：US11983349B2

公开(公告)日：2024-05-14

申请号：US18342912

申请日：2023-06-28

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：US11809031B2

公开(公告)日：2023-11-07

申请号：US17190647

申请日：2021-03-03

Applicant: Japan Display Inc.

Inventor： Hiroyuki Abe ,  Kazune Matsumura ,  Gen Koide ,  Kentaro Agata

IPC: G02F1/1333 ,  G02F1/1362 ,  G02F1/1345 ,  G02F1/1368 ,  G02F1/1343

CPC classification number: G02F1/133337 ,  G02F1/1345 ,  G02F1/13629 ,  G02F1/136209 ,  G02F1/13338 ,  G02F1/13685 ,  G02F1/134363 ,  G02F2201/56

Abstract: A display device includes a substrate, a display region in which a plurality of pixels are provided on the substrate and that has a first side, a second side, a third side, a fourth side, and a plurality of curved portions, a peripheral region located between an end portion of the substrate and the display region, a plurality of scan lines extending in a first direction, a plurality of signal lines extending in a second direction, at least one gate driver arranged in the peripheral region and coupled to the scan lines, a signal line coupling circuit arranged in the peripheral region and coupled to the signal lines, a plurality of terminals aligned in the peripheral region, and a plurality of wiring lines coupling the terminals and the signal line coupling circuit.

公开(公告)号：US20230251534A1

公开(公告)日：2023-08-10

申请号：US18300710

申请日：2023-04-14

Applicant: Japan Display Inc.

Inventor： Gen Koide ,  Hiroyuki Abe ,  Kazune Matsumura

IPC: G02F1/1345 ,  G02F1/1362

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

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：US11709391B2

公开(公告)日：2023-07-25

申请号：US17851117

申请日：2022-06-28

Applicant: Japan Display Inc.

Inventor： Akihiko Saitoh ,  Masateru Morimoto ,  Hiroyuki Abe

IPC: G02F1/1335 ,  G02F1/1333 ,  G02F1/1343 ,  H01L27/146 ,  G02F1/133 ,  G06V40/13 ,  G06V40/12

CPC classification number: G02F1/133512 ,  G02F1/13312 ,  G02F1/13338 ,  G02F1/13439 ,  G02F1/134345 ,  H01L27/14623 ,  H01L27/14678 ,  G02F2201/52 ,  G02F2203/01 ,  G06V40/12 ,  G06V40/1318

Abstract: According to one embodiment, a display device includes a first substrate, a second substrate facing the first substrate and a liquid crystal layer. The first substrate includes a base material, and a sensor which outputs a detection signal based on incident light from a liquid crystal layer side. The sensor includes a photoelectric conversion element including a first surface and a second surface, a first electrode which is in contact with the first surface, and a second electrode which is in contact with the second surface. Each of the photoelectric conversion element and the second electrode is formed in an irregular shape having a plurality of curved portions and a plurality of straight portions connecting the curved portions as seen in plan view.

公开(公告)号：US11307694B2

公开(公告)日：2022-04-19

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 ,  G06F3/044 ,  G02F1/1343 ,  G02F1/136

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：US11294491B2

公开(公告)日：2022-04-05

申请号：US17132442

申请日：2020-12-23

Applicant: Japan Display Inc.

Inventor： Yoshinori Aoki ,  Hiroyuki Abe

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

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：US11073732B2

公开(公告)日：2021-07-27

申请号：US16703895

申请日：2019-12-05

Applicant: Japan Display Inc.

Inventor： Hiroyuki Abe ,  Kazune Matsumura ,  Gen Koide

IPC: G02F1/1362 ,  G09G3/36 ,  G02F1/1339 ,  G02F1/133

Abstract: According to one embodiment, a display device includes a display portion, a non-display portion around the display portion, a scanning line located in the display portion, a feed line at a common potential located in the non-display portion, a scanning line drive circuit located in the non-display portion and supplying a scanning signal to the scanning line, a first wiring line group located between the feed line and the scanning line drive circuit and connected to the scanning line drive circuit, and a transparent conductive film electrically connected to the feed line and covering the feed line, the first wiring line group and the scanning line drive circuit. The transparent conductive film has an opening overlapping the first wiring line group.

公开(公告)号：US20210181591A1

公开(公告)日：2021-06-17

申请号：US17185124

申请日：2021-02-25

Applicant: Japan Display Inc.

Inventor： Takayuki SUZUKI ,  Hiroyuki Abe

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

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：US10921919B2

公开(公告)日：2021-02-16

申请号：US16788785

申请日：2020-02-12

Applicant: Japan Display Inc.

Inventor： Yoshinori Aoki ,  Hiroyuki Abe

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

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.