公开(公告)号：US20180300000A1

公开(公告)日：2018-10-18

申请号：US15950878

申请日：2018-04-11

Applicant: Japan Display Inc.

Inventor： Naoki TAKADA ,  Hayato KURASAWA

IPC: G06F3/041 ,  G06F3/044 ,  G02F1/1333 ,  G02F1/1362 ,  G09G3/36 ,  H01L27/12

Abstract: According to one embodiment, a display device includes touch detection electrodes, and a driver. The touch detection electrodes include stripe common electrodes serving as electrodes for display. The driver includes a first, second, and third drivers for driving each of the stripe electrodes. Auxiliary lines connect each of the stripe electrodes to the third driver. The first and second drivers are provided along shorter sides of the stripe electrodes. The third driver is provided along a longer side of the stripe electrodes.

公开(公告)号：US20180293421A1

公开(公告)日：2018-10-11

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 ,  G02F1/1333 ,  G02F1/1343 ,  G02F1/1362 ,  G06F3/041 ,  G06F3/044 ,  H05K1/02 ,  G02F1/1368

CPC classification number: G06K9/0002 ,  G02F1/133345 ,  G02F1/13338 ,  G02F1/134336 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/136218 ,  G02F2201/121 ,  G02F2201/123 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/044 ,  H05K1/0274 ,  H05K2201/0326 ,  H05K2201/10151

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：US20180275442A1

公开(公告)日：2018-09-27

申请号：US15922276

申请日：2018-03-15

Applicant: Japan Display Inc.

Inventor： Hayato KURASAWA ,  Hiroshi MIZUHASHI

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

CPC classification number: G02F1/13338 ,  G02F1/1343 ,  G02F1/134309 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/044 ,  G06F2203/04112

Abstract: A display device includes a first substrate, a second substrate, a display functional layer, first electrodes, pixel electrodes, second electrodes, a drive circuit, and a conductive body. The second substrate faces the first substrate. The display functional layer is provided between the first substrate and the second substrate. The first electrodes are provided between the first substrate and the second substrate. The pixel electrodes face the first electrodes between the first substrate and the second substrate. The second electrodes overlap the first electrodes through the display functional layer. The drive circuit supplies drive signals to a pair of the first electrode, wherein the drive circuit supplies a first electric potential to one of the pair of first electrodes and supplies a drive signal having a second electric potential different from the first electric potential to the other of the pair of first electrodes simultaneously.

公开(公告)号：US20180232095A1

公开(公告)日：2018-08-16

申请号：US15892090

申请日：2018-02-08

Applicant: Japan Display Inc.

Inventor： Masanobu IKEDA ,  Hayato KURASAWA

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

CPC classification number: G06F3/0416 ,  G06F3/0412 ,  G06F3/044 ,  G06F2203/04111 ,  G09G3/3611 ,  G09G2340/0435 ,  G09G2354/00

Abstract: According to an aspect, a display device with a touch detection function includes: a display unit that includes a plurality of pixel electrodes, and a plurality of counter electrodes facing the pixel electrodes, and that displays an image at a resolution in accordance with the number of the pixel electrodes; a plurality of touch detection electrodes overlapping the counter electrodes; and a controller that alternately executes, in one frame period, a display operation in a display period by driving the pixel electrodes and the counter electrodes, and a touch detection operation in a touch period by driving one or both of the counter electrodes and the touch detection electrodes. The controller includes a control switching unit that changes a ratio between the display period and the touch period in the one frame period in accordance with a resolution of an image to be displayed in the one frame period.

公开(公告)号：US20180210593A1

公开(公告)日：2018-07-26

申请号：US15928491

申请日：2018-03-22

Applicant: Japan Display Inc.

Inventor： Hayato KURASAWA ,  Hiroshi MIZUHASHI ,  Yoshitoshi KIDA

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

CPC classification number: G06F3/0412 ,  G02F1/13338 ,  G02F1/134309 ,  G02F2201/121 ,  G02F2201/123 ,  G06F3/0416 ,  G06F3/044 ,  G06F2203/04107 ,  G06F2203/04108

Abstract: A sensor-equipped display device includes a display panel comprising a common electrode; a sensor comprising a plurality of detection electrodes extending in a first direction and arranged in a second direction crossing the first direction, each of the detection electrodes including a first electrode and a second electrode which are opposed to the common electrode, are divided and extend in the first direction, each of the first electrode and the second electrode including a gradient in width in the first direction in the detection electrode, the gradient in width of the first electrode and the gradient in width of the second electrode being inclined in opposite directions; and a controller configured to effect switching to either a first mode or a second mode, and to control driving of the common electrode and the detection electrodes, wherein the sensor further comprises a dummy electrode disposed between neighboring detection electrodes.

公开(公告)号：US20180157085A1

公开(公告)日：2018-06-07

申请号：US15888431

申请日：2018-02-05

Applicant: Japan Display Inc.

Inventor： Yoshihiro WATANABE ,  Masanobu IKEDA ,  Hayato KURASAWA ,  Koji ISHIZAKI

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

CPC classification number: G02F1/13338 ,  G02F1/133528 ,  G06F3/0412 ,  G06F3/044 ,  G06F2203/04101 ,  G06F2203/04112

Abstract: According to one embodiment, a display device includes a display panel including a principal surface; a metal layer provided on the principal surface, the metal layer including a sensing electrode in the display area, a lead electronically connected to the sensing electrode, and a pad outside of the display area and connected to the lead, the pad including a first part and a second part which is located between the lead and the first part; a coat layer covering the metal layer without the first part of the pad and in contact with the principal surface; a cover member facing the coat layer; and an adhesive layer bonding the cover member to the coat layer and continuously covering the principal surface without the pad.

公开(公告)号：US20170315664A1

公开(公告)日：2017-11-02

申请号：US15652393

申请日：2017-07-18

Applicant: Japan Display Inc.

Inventor： Koji ISHIZAKI ,  Hayato KURASAWA ,  Takeo KOITO

IPC: G06F3/041 ,  G06F3/044 ,  G06F3/047

CPC classification number: G06F3/0416 ,  G06F3/044 ,  G06F3/047 ,  G06F2203/04103 ,  G06F2203/04108 ,  G06F2203/04112

Abstract: A touch panel is disclosed herein. In an embodiment, the touch panel includes a substrate with first and second surfaces, a drive electrode facing the first surface, a plurality of touch detection electrodes facing the second surface, and a dummy electrode between adjacent touch detection electrodes. Each touch detection electrode includes a first conductive thin wire extending parallel to the first and second surfaces. The dummy electrode includes a second conductive thin wire extending along the first conductive thin wire. The first conductive thin wire includes a first bent portion and a second bent portion alternately arranged with the first conductive thin wire having a zigzag pattern. The second conductive thin wire includes a third bent portion and a slit that are alternately arranged. The third bent portion is arranged on a virtual straight line formed by virtually connecting the first bent portions of one first conductive thin wire.

公开(公告)号：US20170285802A1

公开(公告)日：2017-10-05

申请号：US15477264

申请日：2017-04-03

Applicant: Japan Display Inc.

Inventor： Koji ISHIZAKI ,  Hayato KURASAWA

IPC: G06F3/044

CPC classification number: G06F3/044 ,  G06F3/0412 ,  G06F2203/04108 ,  G06F2203/04111 ,  G06F2203/04112

Abstract: A detection device includes a substrate; a plurality of first conductive thin wires provided in a plane parallel to the substrate and extending in a first direction; a plurality of second conductive thin wires provided in the same layer as that of the first conductive thin wires and extending in a second direction forming an angle with the first direction; first groups that are disposed in first strip-like regions respectively having a first width, each of the first groups including at least two of the first conductive thin wires displaced from one another in the second direction; and second groups that are disposed in second strip-like regions respectively having a second width, each of the second groups including at least two of the second conductive thin wires displaced from one another in the first direction.

公开(公告)号：US20170255330A1

公开(公告)日：2017-09-07

申请号：US15446618

申请日：2017-03-01

Applicant: Japan Display Inc.

Inventor： Mitsuhide MIYAMOTO ,  Takayuki NAKANISHI ,  Hayato KURASAWA ,  Hiroshi MIZUHASHI ,  Shuji HAYASHI ,  Yoshitoshi KIDA

IPC: G06F3/041 ,  H01L27/32 ,  G09G3/3266 ,  G06F3/044 ,  G09G3/3233

CPC classification number: G06F3/0418 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/044 ,  G06F2203/04111 ,  G06F2203/04112 ,  G09G3/3233 ,  G09G3/3266 ,  G09G2300/0426 ,  G09G2300/043 ,  G09G2300/0452 ,  G09G2300/0814 ,  G09G2300/0819 ,  H01L27/323 ,  H01L27/3262 ,  H01L27/3276

Abstract: A display device includes a plurality of scanning lines provided over an insulating surface, a plurality of video signal lines provided, intersecting with the plurality of scanning lines, a display area including a plurality of pixels, each having a light emitting element and a transistor for controlling a current supplied to the light emitting element, provided at points of intersection between the plurality of scanning lines and the plurality of video signal lines, and a touch sensor provided over the display area and having a drive electrode and a detection electrode which form an electrostatic capacitance with each other.

公开(公告)号：US20170147128A1

公开(公告)日：2017-05-25

申请号：US15281720

申请日：2016-09-30

Applicant: Japan Display Inc.

Inventor： Koji ISHIZAKI ,  Hayato KURASAWA

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0416 ,  G06F3/0412 ,  G06F3/044 ,  G06F2203/04107 ,  G06F2203/04108 ,  G06F2203/04112

Abstract: A touch detection device includes: a substrate including a display region for displaying an image, a first frame region outside the display region, and a second frame region outside the first frame region; a plurality of detection electrodes that are arranged in the display region on a face parallel with the substrate and include metal wires; and frame wires that are coupled to the detection electrodes and arranged in the first frame region and the second frame region. A ratio of a covering area of the frame wires to a predetermined area of the substrate in the first frame region is smaller than a ratio of the covering area of the frame wires to the predetermined area of the substrate in the second frame region.