公开(公告)号：US20230315230A1

公开(公告)日：2023-10-05

申请号：US18207282

申请日：2023-06-08

Applicant: Japan Display Inc.

Inventor： Koji ISHIZAKI ,  Hayato KURASAWA ,  Takeo KOITO

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

CPC classification number: G06F3/04166 ,  G06F3/0445 ,  G06F3/0446 ,  G06F3/0416 ,  G06F3/044 ,  G06F3/047 ,  G06F2203/04108 ,  G06F2203/04103 ,  G06F2203/04112

Abstract: According to an aspect, a display device with a touch detecting function includes: a display area in which pixels each composed of a plurality of color areas are arranged in a matrix; a touch detection electrode including a first conductive thin wire extending in a first direction; and a dummy electrode including a plurality of second conductive thin wires; a drive electrode having capacitance for the touch detection electrode. Each of the second conductive thin wires includes a plurality of thin wire pieces extending in a direction different from the first direction and is divided by a slit between the thin wire pieces. A color area in the display area with which the slit overlaps has a different color from a color area in the display area with which a slit closest to the slit in a second direction orthogonal to the first direction overlaps.

公开(公告)号：US20230259223A1

公开(公告)日：2023-08-17

申请号：US18135856

申请日：2023-04-18

Applicant: JAPAN DISPLAY INC.

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

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

CPC classification number: G06F3/0412 ,  G06F3/04164 ,  G06F3/04184 ,  G06F3/0445 ,  G06F3/0446 ,  G02F1/133345 ,  G02F1/13338 ,  G02F1/134309 ,  G06F2203/04107 ,  G02F1/1339

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：US20230154230A1

公开(公告)日：2023-05-18

申请号：US18098278

申请日：2023-01-18

Applicant: Japan Display Inc.

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

IPC: G06V40/13

CPC classification number: G06V40/1306

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

公开(公告)号：US20220326814A1

公开(公告)日：2022-10-13

申请号：US17852575

申请日：2022-06-29

Applicant: Japan Display Inc.

Inventor： Koji ISHIZAKI ,  Hayato KURASAWA ,  Hiroshi MIZUHASHI

IPC: G06F3/044

Abstract: An input device is provided and includes substrate; first metal mesh shape electrodes provided on layer of substrate; second metal mesh shape electrodes provided on same layer of the substrate as first metal mesh shape electrodes; second metal connection electrodes each of which connects adjacent two of second metal mesh shape electrodes on same layer as first metal mesh shape electrodes; insulating film covering second metal connection electrodes; first transparent connection electrodes each of which connects adjacent two of first metal mesh shape electrodes on insulating film; and protective film covering first metal mesh shape electrodes, second metal mesh shape electrodes, and first transparent connection electrodes.

公开(公告)号：US20220319220A1

公开(公告)日：2022-10-06

申请号：US17844787

申请日：2022-06-21

Applicant: Japan Display Inc.

Inventor： Hayato KURASAWA

IPC: G06V40/13 ,  G06F3/041 ,  G06F3/044

Abstract: A first substrate including a first surface and a second surface on an opposite side of the first surface, the first surface being a detection surface for detecting unevenness of an object coming is contact or close, a second substrate facing the other surface of the first substrate, and a sensor unit provided between the first substrate and the second substrate, and which detects the unevenness of a finger coming in contact with or close to the detection. surface.

公开(公告)号：US20220310029A1

公开(公告)日：2022-09-29

申请号：US17841990

申请日：2022-06-16

Applicant: Japan Display Inc.

Inventor： Kazuyuki KOBAYASHI ,  Hayato KURASAWA ,  Hiroshi MIZUHASHI ,  Masaya TAMAKI ,  Takeo KOITO ,  Koji NOGUCHI

IPC: G09G3/36 ,  G06F3/041 ,  F21V8/00 ,  G06F3/044

Abstract: A sensor-equipped display device is provided and includes display panel including first and second substrates, common electrode, and polarizer; backlight unit which emits light toward display panel, including light guide opposed to polarizer and light source which emits light toward light guide; conductive member arranged at back side of display panel and opposed to polarizer; controller; first flexible printed circuit; and second flexible printed circuit, wherein first flexible printed circuit is connected to display panel, second flexible printed circuit is connected to back side of first flexible printed circuit, common electrode is connected to controller via first flexible printed circuit, second flexible printed circuit comprises first branch portion and second branch portion, first branch portion is connected to light source, and conductive member is connected to controller via second branch portion of second flexible printed circuit and first flexible printed circuit.

公开(公告)号：US20220300139A1

公开(公告)日：2022-09-22

申请号：US17833954

申请日：2022-06-07

Applicant: Japan Display Inc.

Inventor： Hayato KURASAWA ,  Hiroshi MIZUHASHI ,  Fumitaka GOTOH ,  Gen KOIDE ,  Tadayoshi KATSUTA

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

Abstract: According to an aspect, a display apparatus includes: a substrate; a plurality of pixel electrodes; a plurality of detection electrodes arranged in a matrix in a display area of the substrate; a plurality of detection electrode lines coupled to the respective detection electrodes; a plurality of first electrodes provided in the same layer as the detection electrodes or the detection electrode lines and extending in a first direction; a plurality of switching elements coupled to the respective pixel electrodes; a plurality of signal lines coupled to the switching elements and extending in a second direction crossing the first direction; a coupling member provided in a peripheral area outside the display area and configured to couple ends of the first electrodes to each other; and a drive circuit configured to output a first drive signal in a first sensing period in which an electromagnetic induction method is used.

公开(公告)号：US20210397805A1

公开(公告)日：2021-12-23

申请号：US17464044

申请日：2021-09-01

Applicant: Japan Display Inc.

Inventor： Yoshitaka OZEKI ,  Hayato KURASAWA ,  Toshinori UEHARA ,  Koshiro MORIGUCHI

IPC: G06K9/00 ,  H01L27/12 ,  H01L29/423 ,  G06F3/041

Abstract: A detection device is provided and includes substrate; drive electrode provided on substrate; detection electrode provided on substrate and capacitively coupling with drive electrode; first thin film transistor connected to drive electrode and second thin film transistor connected to first thin film transistor, first insulating film and second insulating film both stacked on substrate, wherein first thin film transistor comprises first gate electrode and first semiconductor layer, second thin film transistor comprises second gate electrode and second semiconductor layer, first semiconductor layer and second semiconductor layer are in same layer and are located between first insulating film and second insulating film, first gate electrode opposes first semiconductor layer via first insulating film, second gate electrode opposes second semiconductor layer via second insulating film, and distance from first gate electrode to first semiconductor layer is greater than distance from second gate electrode to second semiconductor layer.

公开(公告)号：US20210224509A1

公开(公告)日：2021-07-22

申请号：US17226146

申请日：2021-04-09

Applicant: Japan Display Inc.

Inventor： Hayato KURASAWA

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

Abstract: A first substrate including a first surface and a second surface on an opposite side of the first surface, the first surface being a detection surface for detecting unevenness of an object coming is contact or close, a second substrate facing the other surface of the first substrate, and a sensor unit provided between the first substrate and the second substrate, and which detects the unevenness of a finger coming in contact with or close to the detection surface.

公开(公告)号：US20210208720A1

公开(公告)日：2021-07-08

申请号：US17208341

申请日：2021-03-22

Applicant: Japan Display Inc.

Inventor： Koji ISHIZAKI ,  Hayato KURASAWA ,  Kohei AZUMI

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

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.