公开(公告)号：US11249363B2

公开(公告)日：2022-02-15

申请号：US16207436

申请日：2018-12-03

Applicant: Japan Display Inc.

Inventor： Takahiro Ochiai ,  Hiroshi Inamura ,  Keita Sasanuma ,  Kengo Shiragami

IPC: G02F1/1368 ,  H01L27/12 ,  G02F1/1345 ,  G02F1/1362 ,  G01R31/28 ,  G02F1/1343 ,  H01L29/786

Abstract: According to one embodiment, a display device includes a first line which is arranged across a display portion, and includes a first end portion and a second end portion located at a non-display portion such that the display portion is located between the first and second end portions, a first switch electrically connected to the first end portion, a second switch electrically connected to the second end portion, a first terminal electrically connected to the first end portion via the first switch, and a second terminal electrically connected to the second end portion via the second switch.

公开(公告)号：US12228830B2

公开(公告)日：2025-02-18

申请号：US17572638

申请日：2022-01-11

Applicant: Japan Display Inc.

Inventor： Takahiro Ochiai ,  Hiroshi Inamura ,  Keita Sasanuma ,  Kengo Shiragami

IPC: G02F1/1362 ,  H01L27/12 ,  G01R31/28 ,  G02F1/1343 ,  G02F1/1345 ,  G02F1/1368 ,  H01L29/786

Abstract: According to one embodiment, a display device includes a first line which is arranged across a display portion, and includes a first end portion and a second end portion located at a non-display portion such that the display portion is located between the first and second end portions, a first switch electrically connected to the first end portion, a second switch electrically connected to the second end portion, a first terminal electrically connected to the first end portion via the first switch, and a second terminal electrically connected to the second end portion via the second switch.

公开(公告)号：US11966132B2

公开(公告)日：2024-04-23

申请号：US17479206

申请日：2021-09-20

Applicant: Japan Display Inc.

Inventor： Keita Sasanuma ,  Kengo Shiragami ,  Naoyuki Obinata

IPC: G02F1/1362 ,  G01R31/317 ,  G02F1/1345 ,  G02F1/1368

CPC classification number: G02F1/136254 ,  G01R31/31713 ,  G02F1/13456 ,  G02F1/13452 ,  G02F1/1368

Abstract: A display device includes signal lines, first driver terminals that are provided in a first peripheral region and to which a first driver IC can be coupled, second driver terminals to which a second driver IC can be coupled, a plurality of inspection terminals provided in the first peripheral region, first inspection switches coupled to the first driver terminals and configured to be capable of switching coupling and interruption of the inspection terminals and the signal lines, and second inspection switches coupled to the second driver terminals and configured to be capable of switching coupling and interruption of the inspection terminals and the signal lines.

公开(公告)号：US11971637B2

公开(公告)日：2024-04-30

申请号：US17474099

申请日：2021-09-14

Applicant: Japan Display Inc.

Inventor： Koji Yamamoto ,  Naoyuki Obinata ,  Kengo Shiragami

IPC: G02F1/1362 ,  G02F1/1345 ,  G06T7/00 ,  G09F9/30 ,  G09G3/00 ,  G09G3/20

CPC classification number: G02F1/136286 ,  G02F1/13452 ,  G02F1/13458 ,  G02F1/136254 ,  G06T7/0004 ,  G09F9/30 ,  G09G3/006 ,  G09G3/2092 ,  G06T2207/30121 ,  G09G2300/0413

Abstract: A display device includes wires that are coupled to driver terminals that are able to be coupled to a driver integrated circuit (IC) and that are provided along a first direction and extending so as to spread toward outsides in the first direction as the wires are directed toward a second direction orthogonal to the first direction; and dummy wires that are provided along the wires on one outside and another outside in the first direction of the wires and that are not coupled to the driver terminals and the wires, wherein a number of the dummy wires on the one outside and a number of the dummy wires on the other outside are respectively three or more, the dummy wires extend in parallel with the wires, and a width of the dummy wire is equal to a width of the wire.

公开(公告)号：US11543721B2

公开(公告)日：2023-01-03

申请号：US17526242

申请日：2021-11-15

Applicant: Japan Display Inc.

Inventor： Keita Sasanuma ,  Masaki Kajiyama ,  Kengo Shiragami ,  Naoyuki Obinata

IPC: G02F1/1362 ,  G02F1/1339

Abstract: Display device is provided and includes first and second substrates; display region in which pixels are provided on first substrate; peripheral region positioned between edge of first substrate and display region; scanning lines extending in first direction; signal lines extending in second direction; terminals arranged in first direction in peripheral region of first substrate; connection lines in first region and that connect terminals and signal lines; dummy electrodes disposed in second region separated from connection lines in planar view, and signal output lines that couple terminals and connection lines, wherein dummy electrodes are provided in second region surrounded by end of first substrate and signal output lines.

公开(公告)号：US11482144B2

公开(公告)日：2022-10-25

申请号：US17468417

申请日：2021-09-07

Applicant: Japan Display Inc.

Inventor： Kengo Shiragami ,  Keita Sasanuma ,  Naoyuki Obinata

IPC: G09G3/00 ,  G09G3/36 ,  H01L27/12 ,  G02F1/1345

Abstract: A display device includes a first substrate having a display area in which pixels are arranged and a peripheral area; wiring provided in the display area and coupled to the pixels to supply a signal; a first terminal and a second terminal, provided in the peripheral area; a driver terminal provided in a first peripheral area on a first direction side of the display area, and coupled to the wiring to allow a driver IC to be coupled to the driver; a first switch provided in the first peripheral area closer to the display area than the driver terminal to switch between coupling and decoupling between the first terminal and the wiring; and a second switch provided in a second peripheral area on a second direction side in a direction opposite to the first direction, and coupled to the second terminal and the wiring.

公开(公告)号：US11175552B2

公开(公告)日：2021-11-16

申请号：US16821560

申请日：2020-03-17

Applicant: Japan Display Inc.

Inventor： Keita Sasanuma ,  Masaki Kajiyama ,  Kengo Shiragami ,  Naoyuki Obinata

IPC: G02F1/1362 ,  G02F1/1339

Abstract: According to an aspect, a display device includes: a first substrate; a second substrate facing the first substrate; a display region in which a plurality of pixels are provided; a peripheral region positioned between an edge of the first substrate and the display region; a plurality of scanning lines extending in a first direction; a plurality of signal lines extending in a second direction; a plurality of terminals arranged in the first direction in the peripheral region of the first substrate; a plurality of connection lines that connect the terminals and the signal lines; a plurality of spacers provided between the first substrate and the second substrate in a direction perpendicular to the first substrate; and a plurality of dummy electrodes separated from the connection lines in planar view and provided between the first substrate and the spacers in the direction perpendicular to the first substrate.

公开(公告)号：US20190171049A1

公开(公告)日：2019-06-06

申请号：US16207436

申请日：2018-12-03

Applicant: Japan Display Inc.

Inventor： Takahiro Ochiai ,  Hiroshi Inamura ,  Keita Sasanuma ,  Kengo Shiragami

IPC: G02F1/1368 ,  H01L27/12 ,  G02F1/1345 ,  H01L29/786 ,  G02F1/1343 ,  G02F1/1362 ,  G01R31/28

Abstract: According to one embodiment, a display device includes a first line which is arranged across a display portion, and includes a first end portion and a second end portion located at a non-display portion such that the display portion is located between the first and second end portions, a first switch electrically connected to the first end portion, a second switch electrically connected to the second end portion, a first terminal electrically connected to the first end portion via the first switch, and a second terminal electrically connected to the second end portion via the second switch.