公开(公告)号：US20200012366A1

公开(公告)日：2020-01-09

申请号：US16571754

申请日：2019-09-16

Applicant: Japan Display Inc.

Inventor： Koji ISHIZAKI ,  Hayato KURASAWA ,  Hiroshi MIZUHASHI

IPC: G06F3/044

Abstract: An input device is provided and including a substrate; a plurality of first metal or alloy electrodes provided along a first direction on a main surface of the substrate; a plurality of second metal or alloy electrodes provided along a second direction intersecting with the first direction on the same surface as the main surface; and a protective film covering the plurality of first metal or alloy electrodes and the plurality of second metal or alloy electrodes.

公开(公告)号：US20190243490A1

公开(公告)日：2019-08-08

申请号：US16388125

申请日：2019-04-18

Applicant: Japan Display Inc.

Inventor： Hiroshi MIZUHASHI ,  Makoto HAYASHI ,  Yasuyuki TERANISHI ,  Daisuke ITO

IPC: G06F3/044 ,  G09G3/36

Abstract: A display device including: a plurality of pixels arranged in a matrix form and having a first side parallel to a row and a second side opposite to the first side; scanning lines arranged in each row of the pixels to supply a scanning signal to the pixels; signal lines arranged in each column of the pixels to supply an image signal to the pixels; a drive electrode circuit which is arranged along the first side; and a plurality of drive electrodes which are arranged in the direction of column of the pixels and to which a drive signal to detect an object is supplied from the drive electrode circuit, wherein the signal lines transmit the image signal in a display period, and at least one of the signal lines transmits a control signal to control the drive electrode circuit in a touch detection period.

公开(公告)号：US20190065807A1

公开(公告)日：2019-02-28

申请号：US16173715

申请日：2018-10-29

Applicant: Japan Display Inc.

Inventor： Hiroshi MIZUHASHI ,  Gen KOIDE ,  Hayato KURASAWA ,  Toshio SOYA ,  Fumitaka GOTOH

IPC: G06K9/00 ,  G02F1/1333 ,  G02F1/1343 ,  G02F1/1362 ,  G06F3/041 ,  G06F3/044 ,  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：US20190064948A1

公开(公告)日：2019-02-28

申请号：US16170852

申请日：2018-10-25

Applicant: Japan Display Inc.

Inventor： Hiroshi MIZUHASHI ,  Hayato KURASAWA ,  Daichi SUZUKI ,  Fumitaka GOTOH

IPC: G06F3/0354 ,  G06F3/041 ,  G06F3/046

CPC classification number: G06F3/03545 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/046

Abstract: A display apparatus with a touch detection function capable of improving accuracy is provided. The display apparatus includes: a pixel array having a plurality of pixels arranged in a matrix form; and a plurality of signal wires arranged in the pixel array. Here, when an externally-detecting object is detected, a plurality of coils having areas overlapping with each other are formed of a plurality of signal wires (drive electrodes) among the plurality of signal wires, and a magnetic field generated in the plurality of respective coils are superimposed in an overlapped area by supplying a drive signal to the plurality of coils.

公开(公告)号：US20190012016A1

公开(公告)日：2019-01-10

申请号：US16029704

申请日：2018-07-09

Applicant: Japan Display Inc.

Inventor： Hayato KURASAWA ,  Hiroshi MIZUHASHI ,  Tadayoshi KATSUTA

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

CPC classification number: G06F3/044 ,  G06F3/0412 ,  G06F3/0418 ,  G06F3/046 ,  G06F2203/04106 ,  G06F2203/04112 ,  G09G3/344 ,  G09G3/3696 ,  G09G2300/0426 ,  G09G2310/0202 ,  G09G2310/068 ,  G09G2310/08

Abstract: A display device includes a substrate, first electrodes, lines, pixel electrodes, a display functional layer, a common electrode, second electrodes, and a controller. The first electrodes are opposed to the second electrodes with a space therebetween, and an insulating layer is provided between the common electrode and the first and second electrodes. During the display periods, in response to a control signal from the controller, the pixel electrodes are supplied with a pixel signal through the lines, and the common electrode is supplied with a common signal. During the sensing period, in response to the control signal from the controller, the lines are supplied with a first drive signal to generate a magnetic field. The first electrodes are supplied with a second drive signal to generate electrostatic capacitance between themselves and the second electrodes in response to the control signal from the controller, synchronously or asynchronously with the display periods.

公开(公告)号：US20180321768A1

公开(公告)日：2018-11-08

申请号：US16020331

申请日：2018-06-27

Applicant: Japan Display Inc.

Inventor： Koji ISHIZAKI ,  Hayato KURASAWA ,  Hiroshi MIZUHASHI

IPC: G06F3/044

CPC classification number: G06F3/044 ,  G06F2203/04103

Abstract: To provide a display capable of reducing each resistance of a drive electrode and a detection electrode, in the display which is provided with an input device having the drive electrode and the detection electrode formed on the same plane. A drive electrode includes a plurality of first electrode portions arranged in an X-axis direction, and a plurality of first connection portions each of which electrically connects the two first electrode portions adjacent to each other. A detection electrode includes a plurality of second electrode portions arranged in a Y-axis direction, and a plurality of second connection portions each of which electrically connects the two second electrode portions adjacent to each other. The first connection portion overlaps with the second connection portion in a planar view. Each of the first electrode portion and the second electrode portion contains metal or alloy, and has a mesh shape.

公开(公告)号：US20180120980A1

公开(公告)日：2018-05-03

申请号：US15856595

申请日：2017-12-28

Applicant: Japan Display Inc.

Inventor： Hiroshi MIZUHASHI ,  Makoto HAYASHI ,  Yasuyuki TERANISHI ,  Daisuke ITO

IPC: G06F3/044

CPC classification number: G06F3/044 ,  G09G3/3648 ,  G09G3/3655 ,  G09G2300/0426

Abstract: A display device includes: a pixel array having pixels arranged in matrix and having a first side parallel to a row and a second side opposite to the first side; scanning lines arranged in each row of the pixel array to supply a scanning signal to the pixels arranged in a corresponding row; signal lines arranged in each column of the pixel array to supply an image signal to the pixels arranged in a corresponding column; drive electrodes arranged in a column of the pixel array and to which a drive signal to detect an external proximate object is supplied; and a first drive electrode circuit arranged along the first side and connected to control lines and the drive electrodes arranged in the pixel array to supply the drive signal to, among the drive electrodes, the drive electrode specified by a selection signal supplied via the control lines.

公开(公告)号：US20180052548A1

公开(公告)日：2018-02-22

申请号：US15679612

申请日：2017-08-17

Applicant: Japan Display Inc.

Inventor： Tadayoshi KATSUTA ,  Hiroshi MIZUHASHI ,  Hayato KURASAWA

IPC: G06F3/046 ,  G06F3/047 ,  G06F3/041 ,  G06F3/0354 ,  G02F1/1343 ,  G02F1/1333

CPC classification number: G06F3/046 ,  G02F1/13338 ,  G02F1/1343 ,  G06F3/03545 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/044 ,  G06F3/047

Abstract: An input detection device is provided with a plurality of drive electrodes, a metal electrode opposed to the plurality of drive electrodes and having a predetermined wiring pattern, and a light-shielding film. In plan view, a width of the wiring pattern of the metal electrode overlapped with a portion of the light-shielding film with a large width is larger than a width of the wiring pattern of the metal electrode overlapped with portions other than the portion of the light-shielding film with the large width.

公开(公告)号：US20180004331A1

公开(公告)日：2018-01-04

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：US20170285825A1

公开(公告)日：2017-10-05

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 ,  G06F3/044 ,  G09G3/36

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.