公开(公告)号：US10852597B2

公开(公告)日：2020-12-01

申请号：US16714958

申请日：2019-12-16

Applicant: Japan Display Inc.

Inventor： Gen Koide ,  Morikazu Nomura

IPC: G02F1/1345 ,  G02F1/1333 ,  G06F3/041 ,  G06F3/044 ,  G02F1/1335 ,  G02F1/1343

Abstract: According to one embodiment, a display device includes a first substrate including a display area, a terminal area, a first side and a third side, and a second substrate opposed to the first substrate and including a fifth side and a seventh side. The terminal area is sandwiched between the third side and the seventh side. The first substrate includes a first round corner between the first side and the third side. The second substrate includes a third round corner between the fifth side and the seventh side. A radius of curvature of the third round corner is smaller than a radius of curvature of the first round corner.

公开(公告)号：US10790316B2

公开(公告)日：2020-09-29

申请号：US16783659

申请日：2020-02-06

Applicant: Japan Display Inc.

Inventor： Gen Koide ,  Masaki Murase ,  Nobuyuki Ishige

IPC: H01L27/12 ,  H01L27/32 ,  G02F1/1362 ,  G02F1/1368

Abstract: In a transistor substrate of a display device, a plurality of signal lines to which any one of drive signals of a gate signal and a video signal is supplied include a plurality of first signal lines to which the drive signal is supplied. The first signal line is connected to a driving driver, and is formed in an edge region positioned between an end portion of a substrate and a pixel region and in the pixel region. The first signal line is formed to pass through a first wiring formed in a first layer from a second wiring formed in a second layer in the edge region.

公开(公告)号：US10754473B2

公开(公告)日：2020-08-25

申请号：US16444136

申请日：2019-06-18

Applicant: Japan Display Inc.

Inventor： Yasuyuki Teranishi ,  Gen Koide

IPC: G06F3/041 ,  G09G3/36

Abstract: According to one embodiment, a display device includes a display portion, a touch detection circuit and a scanning line drive circuit. A frame period, which includes a display period in which the scanning signal is supplied to the plurality of scanning lines for image display, and a touch detection period related to sensing using the plurality of electrodes, includes a first frame and a second frame. The number of scanning lines to which the scanning signal is supplied in each display period included in the first and second frames is adjusted such that a potential of the touch detection period included in the first frame matches a potential of the touch detection period included in the second frame.

公开(公告)号：US20200142233A1

公开(公告)日：2020-05-07

申请号：US16732849

申请日：2020-01-02

Applicant: JAPAN DISPLAY INC.

Inventor： Kenta SEKI ,  Gen Koide ,  Hayato Kurasawa

IPC: G02F1/1333 ,  G02F1/1335 ,  G02F1/1337 ,  G02F1/1362 ,  G06F3/041 ,  G06F3/044 ,  G02F1/1343

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：US10600815B2

公开(公告)日：2020-03-24

申请号：US15659753

申请日：2017-07-26

Applicant: Japan Display Inc.

Inventor： Gen Koide

IPC: G02F1/1335 ,  H01L27/12 ,  G02F1/1333 ,  G06F3/041

Abstract: According to one embodiment, a display device includes a first substrate including a first basement, a scanning line and a signal line, arranged in a display area, a switching element arranged in the display area and electrically connected to the scanning line and the signal line, and a first conductive layer arranged in a periphery region surrounding the display area and formed from a material different from that of the scanning line, a second substrate including a second basement opposing the first conductive layer and spaced therefrom, and a second conductive layer, and includes a first hole which penetrates the second basement, and a connecting material electrically connecting the first conductive layer and the second conductive layer via the first hole.

公开(公告)号：US10571750B2

公开(公告)日：2020-02-25

申请号：US16446844

申请日：2019-06-20

Applicant: JAPAN DISPLAY INC.

Inventor： Kenta Seki ,  Gen Koide ,  Hayato Kurasawa

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

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：US10430012B2

公开(公告)日：2019-10-01

申请号：US16274635

申请日：2019-02-13

Applicant: Japan Display Inc.

Inventor： Hiroshi Mizuhashi ,  Gen Koide ,  Tadayoshi Katsuta

IPC: G06F3/046 ,  G06F3/041 ,  G02F1/1333 ,  G02F1/1362 ,  G06F3/044 ,  G06F3/047 ,  G02F1/1343 ,  G06F3/0354 ,  G02F1/1368 ,  G02F1/1335

Abstract: Provided is a touch detection function-equipped display device that can be manufactured while suppressing an increase of price. A display device is provided with a pixel array including a plurality of pixels arranged in a matrix form, and drive electrodes each of which is arranged to extend in a first direction in the pixel array. A drive signal is supplied to a first area in a first drive electrode among the drive electrodes, and a ground voltage is supplied to a second area extending in the first direction with respect to the first area to generate a magnetic field in the first drive electrode according to the drive signal at a time of detecting an external proximity object.

公开(公告)号：US20190034016A1

公开(公告)日：2019-01-31

申请号：US16149190

申请日：2018-10-02

Applicant: Japan Display Inc.

Inventor： Hiroshi MIZUHASHI ,  Tadayoshi Katsuta ,  Gen Koide ,  Toshiaki Fukushima

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

CPC classification number: G06F3/0412 ,  G06F3/044 ,  G09G3/3648 ,  G09G3/3685 ,  G09G2300/023 ,  G09G2300/0426 ,  G09G2300/0876 ,  G09G2310/0297 ,  G09G2310/08

Abstract: According to one embodiment, a display device includes first and second substrate units, a display function layer, and a drive element. The first substrate unit includes a first substrate, a display unit, and a circuit unit. The first substrate has a first surface including a display region and a peripheral region. The display unit is provided in the display region, and includes first lines, second lines, switch elements, pixel electrodes, and third lines. The circuit unit is provided in the peripheral region, and is electrically connected to one of the second lines and one of the third lines. The second substrate unit includes a second substrate and fourth lines. The display function layer is provided between the first and second substrate units. The drive element is provided on the peripheral region. At least a portion of the circuit unit is disposed between the drive element and the first substrate.

公开(公告)号：US10146987B2

公开(公告)日：2018-12-04

申请号：US16008239

申请日：2018-06-14

Applicant: Japan Display Inc.

Inventor： Hiroshi Mizuhashi ,  Gen Koide ,  Hayato Kurasawa ,  Toshio Soya ,  Fumitaka Gotoh

IPC: G06K9/00 ,  G06F3/041 ,  G02F1/1333 ,  G06F3/044 ,  G02F1/1343 ,  G02F1/1362 ,  H05K1/02 ,  G02F1/1368

Abstract: According to one embodiment, a sensor includes a first control line, a first signal line, a first detection switch, a common electrode, a first detection electrode, a first circuit and a second circuit. The common electrode is located above the first control line, the first signal line and the first detection switch, opposed to the first control line, the first signal line and the first detection switch. The first detection electrode is located above the common electrode. The first circuit and the second circuit are located under the common electrode, and are opposed to the common electrode.

公开(公告)号：US10146348B2

公开(公告)日：2018-12-04

申请号：US15626619

申请日：2017-06-19

Applicant: Japan Display Inc.

Inventor： Hiroshi Mizuhashi ,  Tadayoshi Katsuta ,  Gen Koide ,  Toshiaki Fukushima

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

Abstract: According to one embodiment, a display device includes first and second substrate units, a display function layer, and a drive element. The first substrate unit includes a first substrate, a display unit, and a circuit unit. The first substrate has a first surface including a display region and a peripheral region. The display unit is provided in the display region, and includes first lines, second lines, switch elements, pixel electrodes, and third lines. The circuit unit is provided in the peripheral region, and is electrically connected to one of the second lines and one of the third lines. The second substrate unit includes a second substrate and fourth lines. The display function layer is provided between the first and second substrate units. The drive element is provided on the peripheral region. At least a portion of the circuit unit is disposed between the drive element and the first substrate.