公开(公告)号：US10606385B2

公开(公告)日：2020-03-31

申请号：US15664603

申请日：2017-07-31

Applicant: Japan Display Inc.

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

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

Abstract: A display device provided with a touch sensor, includes a plurality of common electrodes, a plurality of display elements arranged in a matrix, a plurality of gate lines electrically connected to the display elements and arranged in a row direction, and a plurality of source lines electrically connected to the display elements and arranged in a column direction. The plurality of common electrodes for display are also used for the touch sensor. An image display operation of the plurality of common electrodes for display and a driving operation of the plurality of common electrodes for the touch sensor are performed in a time sharing manner, and all of the gate lines and the source lines are caused to be in a floating state in the driving operation of the common electrodes for the touch sensor.

公开(公告)号：US10606134B2

公开(公告)日：2020-03-31

申请号：US16124967

申请日：2018-09-07

Applicant: Japan Display Inc.

Inventor： Gen Koide

IPC: G02F1/1343 ,  G02F1/1362 ,  G02F1/1368 ,  H01L27/12 ,  H01L29/423 ,  H01L29/786

Abstract: According to one embodiment, a display device includes a first subpixel and a second subpixel. An area, in a plan view, surrounded by a first signal line, a second signal line, a first scanning line, and a second scanning line and including a first pixel electrode is a first area. An area, in a plan view, surrounded by the first signal line, the second signal line, the second scanning line, and a third scanning line and including a second pixel electrode is a second area. The first area has a first distance in the first direction and the second area has a second distance in the first direction. The first distance is greater than the second distance.

公开(公告)号：US10529293B2

公开(公告)日：2020-01-07

申请号：US16269410

申请日：2019-02-06

Applicant: Japan Display Inc.

Inventor： Gen Koide ,  Toshiaki Fukushima

IPC: G09G3/36 ,  G02F1/1362 ,  G02F1/1343 ,  G02F1/1368

Abstract: To reduce the area of a portion where a plurality of transistors are provided in a region around a display region and to reduce the area of the region around the display region, a display device includes a first transistor and a second transistor each as a transistor, and the transistor includes a connection wiring that electrically connects a semiconductor film and a source-drain electrode to each other via an opening portion provided in an insulating film. The first transistor and the second transistor are adjacent to each other, and there is a clearance between an end portion, on the side of the second transistor, of the connection wiring in the first transistor and an end portion, on the side of the second transistor, of the opening portion in the first transistor.

公开(公告)号：US10528196B2

公开(公告)日：2020-01-07

申请号：US15409867

申请日：2017-01-19

Applicant: Japan Display Inc.

Inventor： Gen Koide ,  Tadayoshi Katsuta ,  Toshiaki Fukushima ,  Naoyuki Obinata

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

Abstract: A display apparatus which can reduce a parasitic capacitance during driving of driving electrodes based on a self-capacitance detecting method is provided. The display apparatus includes: a plurality of connection wires which are formed in a peripheral area and are connected to a plurality of corresponding video signal lines; a video signal line selection circuit which is connected with a plurality of connection wires, selects at least one connection wire and supplies a signal to the video signal lines; self-capacitance detection wires which extend in a direction intersecting an extension direction of the connection wires and intersects the connection wires; common wires which electrically connect the self-capacitance detection wires and drive electrodes; and transistors which are provided between the self-capacitance detection wires and the common wires. Further, the self-capacitance detection wires extend between a display area and the video signal line selection circuit in a plan view.

公开(公告)号：US10388674B2

公开(公告)日：2019-08-20

申请号：US15659799

申请日：2017-07-26

Applicant: Japan Display Inc.

Inventor： Gen Koide

IPC: H01L27/12 ,  H01L27/32 ,  G02F1/1333 ,  G06F3/041 ,  G02F1/1335

Abstract: A display device is provided, including a first substrate including a first basement, a scanning line extending along the first direction, a drive circuit connected to the scanning line, a first pad and a second pad arranged along a second direction between a first edge of the first basement and the drive circuit, a second substrate including a second basement includes a first surface opposing the first substrate and spaced from the first substrate and a second surface, and a detection electrode located on the second surface, and including a hole which penetrates between the first surface and the second surface, and a connecting material provided through the hole to electrically connect the first pad and the detection electrode to each other.

公开(公告)号：US10371981B2

公开(公告)日：2019-08-06

申请号：US15878092

申请日：2018-01-23

Applicant: JAPAN DISPLAY INC.

Inventor： Kenta Seki ,  Gen Koide ,  Hayato Kurasawa

IPC: G06F3/041 ,  G06F3/044 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/1337 ,  G02F1/1343 ,  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：US10197875B2

公开(公告)日：2019-02-05

申请号：US15656098

申请日：2017-07-21

Applicant: Japan Display Inc.

Inventor： Gen Koide

IPC: H01L27/12 ,  H01L21/48 ,  G02F1/1362 ,  G02F1/1333 ,  G02F1/1339 ,  H01L29/786

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 first organic insulating layer covering the signal line, a metal layer provided above the first organic insulating layer, and a first conductive layer arranged in a peripheral area surrounding the display area and formed from a same material as that of the metal layer, a second substrate including a second basement opposing the first conductive layer and spaced therefrom, and a second conductive layer, and including a first hole which penetrates the second basement, and a connecting material which electrically connects the first conductive layer and the second conductive layer via the first hole.

公开(公告)号：US10019095B2

公开(公告)日：2018-07-10

申请号：US15703646

申请日：2017-09-13

Applicant: Japan Display Inc.

Inventor： Hiroshi Mizuhashi ,  Toshiaki Fukushima ,  Gen Koide ,  Yoshiyuki Kii

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

CPC classification number: G06F3/0412 ,  G02F1/13338 ,  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 control 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 control circuit unit is provided in the peripheral region, and includes a first circuit unit including a third line connection line, and a third line switch. 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. The first circuit unit is partially disposed between the drive element and the first substrate.

公开(公告)号：US09916036B2

公开(公告)日：2018-03-13

申请号：US15647458

申请日：2017-07-12

Applicant: Japan Display Inc.

Inventor： Tadayoshi Katsuta ,  Gen Koide

IPC: H01L27/14 ,  G06F3/041 ,  H01L27/12 ,  H01L27/02 ,  G06F3/044 ,  G09G3/36 ,  G02F1/1333 ,  G02F1/1343 ,  G02F1/1345 ,  G02F1/1362 ,  H01L29/786 ,  G02F1/1335 ,  G02F1/1368

CPC classification number: G06F3/0416 ,  G02F1/13338 ,  G02F1/133514 ,  G02F1/133528 ,  G02F1/134309 ,  G02F1/13452 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/136222 ,  G02F2201/123 ,  G06F3/0412 ,  G06F3/044 ,  G06F2203/04102 ,  G09G3/3611 ,  G09G3/3674 ,  G09G3/3696 ,  G09G2300/0426 ,  G09G2300/0439 ,  G09G2300/08 ,  G09G2300/0876 ,  G09G2310/0281 ,  G09G2310/0291 ,  G09G2330/04 ,  H01L27/0296 ,  H01L27/1222 ,  H01L27/124 ,  H01L29/78666 ,  H01L29/78675

Abstract: An area of a region arranged on one side out of a display region in a direction in which scanning signal lines extend is reduced. A display apparatus includes: a partial circuit; a plurality of scanning signal lines; and a plurality of scanning signal connection wirings for connecting the partial circuit and each of the plurality of scanning signal lines. Each of the plurality of scanning signal lines extends in an X-axis direction, and is arranged with a pitch in a Y-axis direction. A plurality of ends respectively included in the plurality of scanning signal connection wirings are connected to the partial circuit, and are arranged in the Y-axis direction. A distance in the Y-axis direction between the respective centers of the two ends adjacent to each other is narrower than the pitch.

公开(公告)号：US09792865B2

公开(公告)日：2017-10-17

申请号：US15454460

申请日：2017-03-09

Applicant: Japan Display Inc.

Inventor： Gen Koide ,  Toshiaki Fukushima

IPC: G02F1/1343 ,  G09G3/36 ,  G02F1/1362 ,  G02F1/1368

CPC classification number: G09G3/3607 ,  G02F1/134363 ,  G02F1/13624 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/136218 ,  G02F2201/121

Abstract: To reduce the area of a portion where a plurality of transistors are provided in a region around a display region and to reduce the area of the region around the display region, a display device includes a first transistor and a second transistor each as a transistor, and the transistor includes a connection wiring that electrically connects a semiconductor film and a source-drain electrode to each other via an opening portion provided in an insulating film. The first transistor and the second transistor are adjacent to each other, and there is a clearance between an end portion, on the side of the second transistor, of the connection wiring in the first transistor and an end portion, on the side of the second transistor, of the opening portion in the first transistor.