公开(公告)号：US20230058005A1

公开(公告)日：2023-02-23

申请号：US17980050

申请日：2022-11-03

Applicant: Japan Display Inc.

Inventor： Gen KOIDE ,  Akihiro OGAWA

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

Abstract: A performance of a display apparatus is improved. A display apparatus has a display region, a transparent region and a frame region. The display apparatus includes a plurality of scan signal lines extending in an X direction in the display region and a plurality of image signal lines extending in a Y direction in the display region. The plurality of image signal lines include a first wiring (image signal line) and a second wiring (image signal line). The first wiring includes a first bypass wiring portion arranged in the frame region and a first extension wiring portion connected to an end of the first bypass wiring portion and extending in the Y direction. The second wiring includes a second bypass wiring portion arranged in the frame region and a second extension wiring portion connected to an end of the second bypass wiring portion and extending in the Y direction. In a plan view, the first wiring and the second wiring intersect with each other at the frame region.

公开(公告)号：US20220404656A1

公开(公告)日：2022-12-22

申请号：US17844104

申请日：2022-06-20

Applicant: Japan Display Inc.

Inventor： Gen KOIDE

IPC: G02F1/1368 ,  G02F1/1362

Abstract: The purpose of the present invention is to realize a structure that the testing terminals are remained in the final product in the liquid crystal display device having a variant display area. The structure of the present invention is as follows. The display area is variant, the outer shapes of the counter substrate 200 and the TFT substrate are also variant similar to the display area. The terminal area formed on the TFT substrate has a straight first area, a second area and a third area; the second area and the third are bent from the first area and formed at sides of the first area. A plurality of terminals to drive the liquid crystal display device exist in the first area, and a plurality of terminals for testing the liquid crystal display device exist in the second area and the third area.

公开(公告)号：US20220404655A1

公开(公告)日：2022-12-22

申请号：US17843130

申请日：2022-06-17

Applicant: Japan Display Inc.

Inventor： Yoshitaka OZEKI ,  Gen KOIDE

IPC: G02F1/1368 ,  G09G3/36 ,  H01L27/12 ,  H01L29/786 ,  G02F1/1362

Abstract: A display device includes: a first transistor provided with an oxide semiconductor layer, a first gate electrode facing the oxide semiconductor layer and a first gate insulating layer between the oxide semiconductor layer and the first gate electrode; a first transparent conductive layer above the first transistor;
a second transparent conductive layer above the first transparent conductive layer, the second transparent conductive layer being isolated from the first transparent conductive layer and facing the first transparent conductive layer; and a third transparent conductive layer above the second transparent conductive layer, the third transparent conductive layer being isolated from the second transparent conductive layer, being connected to the first transparent conductive layer and facing the second transparent conductive layer.

公开(公告)号：US20210294170A1

公开(公告)日：2021-09-23

申请号：US17203771

申请日：2021-03-17

Applicant: Japan Display Inc.

Inventor： Gen KOIDE ,  Masataka IKEDA

IPC: G02F1/1362 ,  H01L27/12 ,  G02F1/1333

Abstract: According to one embodiment, a semiconductor substrate includes a signal line including a first area overlapping a first concave groove portion and a second area not overlapping the first concave groove portion. The signal line includes a first layer and a second layer. A first end portion of the first layer of the first area projects from a side surface of the second layer in a direction parallel to a plane of the first base. The first layer of the first area includes a first portion between the side surface of the second layer and the first end portion. The first portion is in contact with a side surface of the first concave groove portion, and the side surface of the second layer is covered with the first portion in the first concave groove portion.

公开(公告)号：US20210294167A1

公开(公告)日：2021-09-23

申请号：US17203778

申请日：2021-03-17

Applicant: Japan Display Inc.

Inventor： Gen KOIDE

IPC: G02F1/1362 ,  G02F1/1343 ,  G02F1/136 ,  G02F1/1335

Abstract: According to one embodiment, a semiconductor substrate including, a switching element, a first organic insulating film, first and second metal lines arranged in a first direction and extending in a second direction, and a metal electrode located between the first and second metal lines. The first organic insulating film includes first and second surfaces. The switching element is covered with the first surface. The first and second metal lines and the metal electrode are located on the second surface side. The first metal line includes a first portion extending in the second direction and a second portion having a width larger than a width of the first portion. The second portion includes arcuate first and second edge. The metal electrode has a polygonal shape having n corners or an elliptic shape where n is larger than four.

公开(公告)号：US20210173545A1

公开(公告)日：2021-06-10

申请号：US17182739

申请日：2021-02-23

Applicant: Japan Display Inc.

Inventor： Hayato KURASAWA ,  Hiroshi MIZUHASHI ,  Fumitaka GOTOH ,  Gen KOIDE ,  Tadayoshi KATSUTA

IPC: G06F3/041 ,  G06F3/046 ,  G06F3/044

Abstract: According to an aspect, a display apparatus includes: a substrate; a plurality of pixel electrodes; a plurality of detection electrodes arranged in a matrix in a display area of the substrate; a plurality of detection electrode lines coupled to the respective detection electrodes; a plurality of first electrodes provided in the same layer as the detection electrodes or the detection electrode lines and extending in a first direction; a plurality of switching elements coupled to the respective pixel electrodes; a plurality of signal lines coupled to the switching elements and extending in a second direction crossing the first direction; a coupling member provided in a peripheral area outside the display area and configured to couple ends of the first electrodes to each other; and a drive circuit configured to output a first drive signal in a first sensing period in which an electromagnetic induction method is used.

公开(公告)号：US20210142754A1

公开(公告)日：2021-05-13

申请号：US17155316

申请日：2021-01-22

Applicant: Japan Display Inc.

Inventor： Hirotaka HAYASHI ,  Gen KOIDE

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

Abstract: According to one embodiment, a display device includes a first scanning line, a second scanning line, a signal line, a capacitance line, and a pixel. The pixel includes a pixel electrode, an auxiliary electrode, a first switch, a second switch, and a third switch. The first switch is electrically connected to the signal line, the pixel electrode, and the first scanning line. The second switch is electrically connected to the auxiliary electrode, the first scanning line, and the capacitance line. The third switch is electrically connected to the signal line, the second scanning line, and the auxiliary electrode.

公开(公告)号：US20210003892A1

公开(公告)日：2021-01-07

申请号：US17030945

申请日：2020-09-24

Applicant: JAPAN DISPLAY INC.

Inventor： Kenta SEKI ,  Gen KOIDE ,  Hayato KURASAWA

IPC: G02F1/1337 ,  G02F1/1343 ,  G02F1/1333 ,  G02F1/1362

Abstract: According to one embodiment, a display device comprises image signal lines, scanning signal lines, pixels, a display area, pixel electrodes, and common electrodes. The common electrodes are configured to detect an object and to display an image in the display area. The common electrodes include first and second common electrodes which are arranged in a first direction. A first slit is provided between the first and second common electrodes. The first and second common electrodes are supplied a signal different from each other. A second slit is provided in the first common electrode. Each of the first slit and the second slit overlaps one of the image signal lines and extends in an extension direction in which the image signal line extends.

公开(公告)号：US20200271976A1

公开(公告)日：2020-08-27

申请号：US16795587

申请日：2020-02-20

Applicant: Japan Display Inc.

Inventor： Gen KOIDE ,  Akihiro OGAWA

IPC: G02F1/1339 ,  G02F1/1345 ,  G02F1/1362

Abstract: According to one embodiment, a display device includes a first substrate and a second substrate. The first substrate includes a first area including a display area, a second area adjacent to the first area, and an organic insulating layer formed over the first area and the second area. The second substrate includes a substrate end located in a border between the first area and the second area, and overlaps the first area. The organic insulating layer includes a first groove portion surrounding the display area and formed in a circular shape along an outline of the first substrate. The first groove portion includes a first sidewall and a second sidewall. The first and second sidewalls intersect the substrate end in a plan view.

公开(公告)号：US20200249787A1

公开(公告)日：2020-08-06

申请号：US16854436

申请日：2020-04-21

Applicant: Japan Display Inc.

Inventor： Gen KOIDE

IPC: G06F3/041 ,  G02F1/1345 ,  G02F1/1333 ,  G02F1/1362 ,  G02F1/1368 ,  H01L27/12 ,  G06F3/044

Abstract: A display device is provided and includes substrate; first and second common electrodes arranged on the substrate; pixel electrodes arranged over first and second common electrodes; insulating layer arranged between pixel, first common, and second common electrodes; first line having first and second terminals, first terminal connected to first common electrode; second line having first and second terminals, first terminal connected to second common electrode; first transistor connected to second terminal of first line; and second transistor connected to second terminal of the second line, wherein first and second common and pixel electrodes are arranged in display area, first and second transistor are arranged outside display area, second line is longer than first line, and channel width of first transistor is smaller than channel width of second transistor.