公开(公告)号：US20200218383A1

公开(公告)日：2020-07-09

申请号：US16826407

申请日：2020-03-23

Applicant: Japan Display Inc.

Inventor： Koji ISHIZAKI ,  Hayato KURASAWA ,  Kohei AZUMI

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

Abstract: A display device with a touch detection device is provided and includes display elements arranged in matrix of row and column direction and surrounded by scan lines each extending in a first direction and a signal lines each extending in a second direction, the display elements including a red display element, a green display element, and a blue display element; light shielding members each extending in one direction, the light shielding members arranged between the display elements adjacent to each other; and touch detection electrodes each extending in the one direction and arranged between the light shielding members and the display elements, and the touch detection electrodes including metal wires that extend overlapping the light shielding members, Wherein the metal wires are divided into metal wire parts that are arranged in the column direction, and the metal wire parts, each being longitudinal in the one direction, are disposed without crossing each other and spaced from each other in the one direction.

公开(公告)号：US20200042129A1

公开(公告)日：2020-02-06

申请号：US16654824

申请日：2019-10-16

Applicant: Japan Display Inc.

Inventor： Hayato KURASAWA ,  Koji ISHIZAKI ,  Tomohiko OTANI

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

Abstract: A detection device is provided and includes a first detection electrode; and a dummy module adjacent to the first detection electrode in a first direction, wherein the first detection electrode includes a plurality of first openings and a plurality of second openings, the dummy module includes a plurality of first gap portions and a plurality of second gap portions, each of the first openings and the first gap portions extends in a first inclined direction inclined at a first angle with respect to the first direction, each of the second openings and the second gap portions extends in a second inclined direction inclined at a second angle with respect to the first direction, the first openings are apart from each other, and the first gap portions are coupled to each other.

公开(公告)号：US20190278403A1

公开(公告)日：2019-09-12

申请号：US16421129

申请日：2019-05-23

Applicant: Japan Display Inc.

Inventor： Hayato KURASAWA ,  Koji NOGUCHI

IPC: G06F3/044 ,  G06F3/041

Abstract: A display device includes a substrate, a plurality of pixel electrodes, a switching element, and a first electrode. The substrate has a first surface and a second surface opposite to the first surface. The pixel electrodes are provided to the first surface side and supplied with a pixel signal for displaying an image. The switching element is provided to the first surface side and coupled to the pixel electrodes. The first electrode is provided to a layer closer to the first surface than the switching element in a manner facing the switching element in a direction perpendicular to the first surface of the substrate and having lower light transmittance than that of the substrate.

公开(公告)号：US20190220136A1

公开(公告)日：2019-07-18

申请号：US16362211

申请日：2019-03-22

Applicant: Japan Display Inc.

Inventor： Hayato KURASAWA ,  Koji ISHIZAKI ,  Kohei AZUMI

IPC: G06F3/041 ,  G06F3/044 ,  G06T5/20 ,  G09G3/20 ,  G09G3/36

CPC classification number: G06F3/0416 ,  G06F3/0412 ,  G06F3/044 ,  G06F2203/04103 ,  G06T5/20 ,  G09G3/2074 ,  G09G3/3655 ,  G09G3/3696 ,  G09G2300/0426

Abstract: A display device includes: a display layer; plural first electrodes formed to be arranged above the display layer; a shield electrode formed apart from the plural first electrodes so as to surround the whole plural first electrodes along an arrangement surface; an insulating layer; and a semiconductive layer formed opposite to the first electrodes and the shield electrode so as to sandwich the insulating layer, wherein the difference between an average potential of the first electrodes and an average potential of the shield electrode is equal to or less than 0.5V.

公开(公告)号：US20190212871A1

公开(公告)日：2019-07-11

申请号：US16359624

申请日：2019-03-20

Applicant: Japan Display Inc.

Inventor： Hayato KURASAWA

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0416 ,  G06F3/0412 ,  G06F3/044 ,  G06F2203/04112

Abstract: A detection device is capable of detecting an external proximity object, and includes a substrate and a plurality of detection electrodes. The detection electrodes are each provided with a plurality of thin conductive wires having a plurality of first thin wire pieces and a plurality of second thin wire pieces which are electrically conducted with one another. Angles each of which is formed by an intersection between the first thin wire piece extending in a first direction and the second thin wire piece extending in a second direction different from the first direction included in the thin conductive wire, are constant, and a distance between the first thin wire pieces of different thin conductive wires is not constant.

公开(公告)号：US20190146619A1

公开(公告)日：2019-05-16

申请号：US16171561

申请日：2018-10-26

Applicant: Japan Display Inc.

Inventor： Hayato KURASAWA ,  Toshinori UEHARA

IPC: G06F3/041 ,  G02F1/1343 ,  G02F1/1333 ,  G06F3/044 ,  G02F1/1335 ,  F21V8/00

Abstract: According to an aspect, a display device includes: a first substrate; a display functional layer; a plurality of first electrodes; a light guide plate; a plurality of second electrodes; and a controller configured to control the first electrodes and the second electrodes. The first substrate, the display functional layer, the first electrodes, the light guide plate, and the second electrodes are stacked in this order. The controller performs operations during a plurality of display periods to display an image, during a first sensing period, and during a second sensing period in a time-division manner. The first electrodes are supplied with a first drive signal and an electromotive force caused by electromagnetic induction is generated in the second electrodes during the first sensing period. The first electrodes are supplied with a second drive signal to generate electrostatic capacitance between the first electrodes and the second electrodes during the second sensing period.

公开(公告)号：US20190102039A1

公开(公告)日：2019-04-04

申请号：US16139759

申请日：2018-09-24

Applicant: Japan Display Inc.

Inventor： Toshinori UEHARA ,  Hayato KURASAWA

IPC: G06F3/041 ,  G06F3/044 ,  G06K9/00

Abstract: A detection apparatus includes a substrate, a plurality of first electrodes provided on the substrate, a first selection circuit provided on the substrate, the first selection circuit including a plurality of first input terminals that receive a first control signal supplied from an outside and a plurality of first output terminals that output a first selection signal based on the first control signal, and a second selection circuit provided on the substrate, the second selection circuit including a plurality of second input terminals that receive a second control signal supplied from the outside and a plurality of second output terminals that output a second selection signal based on the second control signal.

公开(公告)号：US20190102020A1

公开(公告)日：2019-04-04

申请号：US16139799

申请日：2018-09-24

Applicant: Japan Display Inc.

Inventor： Yuji SUZUKI ,  Toshinori UEHARA ,  Hayato KURASAWA

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

Abstract: A detection apparatus includes a substrate, a plurality of first electrode blocks provided on the substrate, each of the first electrode blocks including a plurality of first electrodes, and a first electrode selection circuit configured to select at least one of the first electrode blocks in a time-division manner in a first detection period and select at least one of the first electrodes in a second detection period. The least one of the first electrode blocks selected by the first electrode selection circuit is supplied with a first drive signal in the first detection period, and the at least one of the first electrodes selected by the first electrode selection circuit is supplied with a second drive signal, a voltage level of the second drive signal different from a voltage level of the first drive signal in the second detection period.

公开(公告)号：US20190073084A1

公开(公告)日：2019-03-07

申请号：US16179268

申请日：2018-11-02

Applicant: Japan Display Inc.

Inventor： Naosuke FURUTANI ,  Hayato KURASAWA ,  Makoto HAYASHI

IPC: G06F3/041 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/1337 ,  G02F1/1343 ,  G06F3/044 ,  G09G3/36 ,  G02F1/1362 ,  G02F1/1368

CPC classification number: G06F3/0416 ,  G02F1/133345 ,  G02F1/13338 ,  G02F1/133514 ,  G02F1/133707 ,  G02F1/134309 ,  G02F1/13439 ,  G02F1/136213 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/133302 ,  G02F2001/134318 ,  G02F2201/121 ,  G02F2201/123 ,  G06F3/0412 ,  G06F3/044 ,  G06F2203/04103 ,  G09G3/3607 ,  G09G3/3648 ,  G09G2300/0426 ,  G09G2330/02

Abstract: A display device with a touch sensor having a display function and a touch sensor function is provided. The display device includes a first substrate including a pixel electrode; a first electrode along a first direction; and a second substrate including a second electrode that includes patterns of electrodes along a second direction crossing the first direction and that faces the first electrode and the pixel electrode, wherein upon the display function being activated, the pixel electrode is supplied with a pixel signal, and the second electrode is supplied with common voltage, and upon the touch sensor function being activated, the first electrode is applied with a first signal and the second electrode is configured to receive the first signal to be a second signal as a touch detecting signal.

公开(公告)号：US20180348935A1

公开(公告)日：2018-12-06

申请号：US15986919

申请日：2018-05-23

Applicant: Japan Display Inc.

Inventor： Hayato KURASAWA ,  Hiroshi MIZUHASHI ,  Tadayoshi KATSUTA

IPC: G06F3/041 ,  G06F3/046 ,  G09G3/36 ,  G06F3/044

Abstract: A display device includes a substrate, first electrodes, pixel electrodes, a display functional layer, common electrodes, second electrodes stacked in this order. The display device further includes lines that are provided between the substrate and the display functional layer and intersect with the first electrodes in the plan view. In response to a control signal from a controller, the pixel electrodes are supplied with a pixel signal through the lines, and the common electrodes are supplied with a common signal in the display periods; either of the lines and the first electrodes are supplied with a first drive signal to generate a magnetic field, and the other thereof generate an electromotive force caused by the magnetic field in the first sensing period; the common electrodes are supplied with a second drive signal to generate electrostatic capacitance between the common electrodes and the second electrodes in the second sensing period.