公开(公告)号：US20210256238A1

公开(公告)日：2021-08-19

申请号：US17219252

申请日：2021-03-31

Applicant: Japan Display Inc.

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

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

Abstract: A sensor is provided and includes a first control line; a first signal line; a first auxiliary line; a first detection electrode; a first detection switch connected to the first detection electrode, the first control line and the first signal line; and a first shielding electrode connected to the first auxiliary line, wherein the first shielding electrode is located to overlap the first signal line via an insulating film.

公开(公告)号：US20210182522A1

公开(公告)日：2021-06-17

申请号：US17187101

申请日：2021-02-26

Applicant: Japan Display Inc.

Inventor： Fumihito SHIBANO ,  Hiroshi MIZUHASHI ,  Toshinori UEHARA ,  Kimiyo NONOYAMA ,  Hayato KURASAWA

IPC: G06K9/00

Abstract: A fingerprint sensor is provided and includes substrate; sensor electrodes on substrate; first switches coupled to sensor electrodes; organic layer covering sensor electrodes; control line drive circuit in first direction; signal line drive circuit in second direction orthogonal to first direction; signal lines coupled to first switches; control lines coupling first switches to control line drive circuit; sensor drive electrode surrounding sensor electrodes; second switches between signal line drive circuit and signal lines; and first number of third switches between signal line drive circuit and first number of second switches, wherein distance of sensor drive electrode from surface of substrate is larger than distance of sensor electrodes from surface of substrate, and wherein first number is less than number of all second switches.

公开(公告)号：US20200333911A1

公开(公告)日：2020-10-22

申请号：US16918404

申请日：2020-07-01

Applicant: Japan Display Inc.

Inventor： Hayato KURASAWA ,  Kohei AZUMI ,  Koji ISHIZAKI ,  Hideki KANEKO ,  Tsutomu HARADA

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

Abstract: The reliability of a display device with an input device is improved. A plurality of detection electrodes (input position detection electrodes) forming an electrostatic capacity between them and a common electrode of a display device to detect an input position are formed on a different substrate from substrates configuring the display device. Moreover, a polarizing plate and the substrate on which the plurality of detection electrodes are formed are adhesively fixed via, for example, an adhesive layer so that the plurality of detection electrodes are fixed so as to be separated apart from the display device. Thus, a distance between electrodes (the detection electrode and a driving electrode) for detecting an input position can be set separately from a thickness of the display device, and therefore, reduction in detection sensitivity (detection reliability) for the input position due to increase in the electrostatic capacity can be suppressed.

公开(公告)号：US20200233511A1

公开(公告)日：2020-07-23

申请号：US16840655

申请日：2020-04-06

Applicant: Japan Display Inc.

Inventor： Hayato KURASAWA ,  Koji ISHIZAKI

IPC: G06F3/044 ,  G06F3/041

Abstract: A sensor-equipped display device is provided and includes a display panel and a detection electrode. The panel includes a display area in which pixels are arranged with a first pixel pitch in a first direction and a second pixel pitch in a second direction. The electrode includes an pattern having line fragments. The pattern has connection points at which ends of the fragments are connected to each other, and at least part of the connection points is arranged linearly such that an arrangement gaps thereof in the first and second direction is set to a first and second connection point pitch.

公开(公告)号：US20200226343A1

公开(公告)日：2020-07-16

申请号：US16828296

申请日：2020-03-24

Applicant: Japan Display Inc.

Inventor： Hayato KURASAWA ,  Yoshitaka OZEKI ,  Toshinori UEHARA ,  Yuji SUZUKI

IPC: G06K9/00 ,  G06F3/042

Abstract: According to an aspect, a fingerprint detection device includes: a substrate; a plurality of drive electrodes provided on one surface side of the substrate and arranged in a first direction; a plurality of detection electrodes provided on the one surface side and arranged in a second direction intersecting the first direction; and an insulating layer provided in a normal direction of the substrate between each of the drive electrodes and the corresponding detection electrodes. The detection electrodes intersect the drive electrodes in the normal direction of the substrate. The detection electrodes include: a first metallic layer; and a second metallic layer positioned closer to the one surface than the first metallic layer to the one surface. The first metallic layer has a reflectance of visible light lower than that of the second metallic layer.

公开(公告)号：US20200225802A1

公开(公告)日：2020-07-16

申请号：US16831295

申请日：2020-03-26

Applicant: Japan Display Inc.

Inventor： Koji NOGUCHI ,  Koji ISHIZAKI ,  Hayato KURASAWA

IPC: G06F3/041 ,  G01D5/24 ,  G02F1/1333 ,  G06F3/0354 ,  G06F3/044

Abstract: A detection apparatus includes a substrate, a display area, a peripheral area, a plurality of electrodes, a plurality of terminals, a first wire, and a second wire. The display area is provided on the surface of the substrate. The peripheral area is provided outside the display area. The electrodes are provided to the display area. The terminals are provided in correspondence with the respective electrodes in the peripheral area. The first wire couples an electrode to a terminal. The second wire couples the electrode to the terminal to which the first wire is coupled.

公开(公告)号：US20200174603A1

公开(公告)日：2020-06-04

申请号：US16781470

申请日：2020-02-04

Applicant: Japan Display Inc.

Inventor： Hayato KURASAWA ,  Makoto HAYASHI ,  Naosuke FURUTANI

IPC: G06F3/047 ,  G09G5/00 ,  G02F1/1333 ,  G06F3/041 ,  G06F3/044

Abstract: According to an example aspect, an electronic device comprises a substrate, pixels on the substrate, a first electrode overlapping the pixels in a plan view, and a second electrode overlapping an edge of the first electrode in a plan view. The first electrode has a first region that overlaps the second electrode in a plan view and a second region that does not overlap the second electrode in a plan view.

公开(公告)号：US20200150809A1

公开(公告)日：2020-05-14

申请号：US16740073

申请日：2020-01-10

Applicant: JAPAN DISPLAY INC.

Inventor： Chihiro TANAKA ,  Naoki TAKADA ,  Toshihiko TANAKA ,  Hayato KURASAWA ,  Koji ISHIZAKI ,  Tatsuya WAKIMOTO ,  Masaki MIYATAKE

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

Abstract: According to one embodiment, a touch detection device includes first detection electrodes in a detection area, second detection electrodes in the detection area, extending to intersect the first detection electrodes, first control lines connected to the first detection electrodes, respectively, and provided in a non-detection area, and second control lines connected to the second detection electrodes, respectively, and provided in the non-detection area. The second control lines overlap the first control lines at a plurality of positions as seen in plan view, such that areas of overlapping portions in which the first control lines overlap the second control lines are substantially equalized.

公开(公告)号：US20200033984A1

公开(公告)日：2020-01-30

申请号：US16590901

申请日：2019-10-02

Applicant: Japan Display Inc.

Inventor： Hayato KURASAWA ,  Toshihiko TANAKA ,  Naoki TAKADA ,  Chihiro TANAKA ,  Koji ISHIZAKI

IPC: G06F3/041 ,  G06F3/044 ,  G02F1/1343 ,  G02F1/1333 ,  G02F1/133

Abstract: According to one embodiment, a sensor device is provided and including electrodes each including a first line, a second line, and a third line; and a lead line connected to one of the electrodes at a first end portion of the one of the electrodes, wherein the first to third lines are electrically connected to each other, the first line runs in a first direction, the second line runs in a second direction different from the first direction, and intersects the first line, the electrodes are arranged in a third direction different from the first and second directions, the third line runs in the third direction and located along the first end portion, the lead line is drawn from the third line, and detection signals are detected by the electrodes.

公开(公告)号：US20190278391A1

公开(公告)日：2019-09-12

申请号：US16422369

申请日：2019-05-24

Applicant: Japan Display Inc.

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

IPC: G06F3/0354 ,  G06F3/041 ,  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.