公开(公告)号：US20210181882A1

公开(公告)日：2021-06-17

申请号：US17186103

申请日：2021-02-26

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

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：US20200341581A1

公开(公告)日：2020-10-29

申请号：US16926137

申请日：2020-07-10

Applicant: Japan Display Inc.

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

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

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：US20200333899A1

公开(公告)日：2020-10-22

申请号：US16918561

申请日：2020-07-01

Applicant: Japan Display Inc.

Inventor： Hayato KURASAWA ,  Yoshiharu NAKAJIMA

IPC: G06F3/044 ,  G09G3/34 ,  G06F3/01 ,  G06F3/041

Abstract: In a display apparatus provided with an electrophoresis layer, such a display apparatus capable of operating a driving electrode for use in displaying an image as an electrode for use in detecting an input position is provided. A display apparatus includes: a substrate; another substrate that is disposed so as to face the substrate; an electrophoresis layer sandwiched between the substrate and another substrate; a plurality of pixel electrodes formed on the substrate; and a plurality of driving electrodes formed on another substrate. An electric field is formed between each of the plurality of pixel electrodes and each of the plurality of driving electrodes, so that an image is displayed, and an input position is detected based on an electrostatic capacitance of each of the plurality of driving electrodes.

公开(公告)号：US20200278572A1

公开(公告)日：2020-09-03

申请号：US16877998

申请日：2020-05-19

Applicant: Japan Display Inc.

Inventor： Koji ISHIZAKI ,  Hayato KURASAWA ,  Masanobu IKEDA

IPC: G02F1/1333 ,  G02F1/1345 ,  G06F3/044

Abstract: A display device is provided and including first and second substrates, wherein the first substrate includes a first area, a second area overlapping the second substrate, a first edge extending in a first direction, a first terminal portion on the first area; the second substrate has a first protruding portion protruding toward the first edge of the first substrate and a second edge including a linear portion along the first edge and a curved portion connected to the linear portion and extending toward the first edge, the curved portion constitutes a part of a edge of the first protruding portion, and a width in the first direction of the first protruding portion gradually decreases toward the first edge.

公开(公告)号：US20190369802A1

公开(公告)日：2019-12-05

申请号：US16545702

申请日：2019-08-20

Applicant: Japan Display Inc.

Inventor： Hayato KURASAWA

IPC: G06F3/041 ,  G06F3/044

Abstract: A detection device capable of detecting an external proximity object is provided. The detection device includes a substrate; and a plurality of thin conductive wires including: a plurality of first thin conductive wires each including a plurality of first thin wire pieces; and a plurality of second thin conductive wires each including a plurality of second thin wire pieces, the first thin wire pieces and the second thin wire pieces being made of a metal material and each including a first end portion and a second end portion.

公开(公告)号：US20190354739A1

公开(公告)日：2019-11-21

申请号：US16531887

申请日：2019-08-05

Applicant: Japan Display Inc.

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

IPC: G06K9/00

Abstract: A fingerprint sensor and includes a first substrate having a first surface; an insulating layer having a second surface opposed to the first surface of the first substrate, and a third surface opposed to the second surface; sensor electrodes arranged in a matrix in the third surface; and a conductive portion arranged in the first surface of the first substrate and configured to supply a drive signal, wherein a height of the conductive portion is higher than a height of one of the sensor electrodes in a direction perpendicular to the first surface of the first substrate.

公开(公告)号：US20190278402A1

公开(公告)日：2019-09-12

申请号：US16421106

申请日：2019-05-23

Applicant: Japan Display Inc.

Inventor： Koji ISHIZAKI ,  Hayato KURASAWA ,  Kohei AZUMI

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

Abstract: A display device with a touch detection device includes: a plurality of display elements that are arranged in a matrix of row and column directions and that are surrounded by scan lines each extending in a first direction and 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; a plurality of touch detection electrodes opposed to the display elements; a plurality of metal wires disposed on the touch detection electrodes, the metal wires extending along the signal lines and being disposed between the display elements adjacent to each other, 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 second direction, are disposed without crossing each other and spaced from each other in the column direction.

公开(公告)号：US20190114015A1

公开(公告)日：2019-04-18

申请号：US16207601

申请日：2018-12-03

Applicant: Japan Display Inc.

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

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

CPC classification number: G06F3/0412 ,  G02F1/133 ,  G02F1/13338 ,  G02F1/1343 ,  G06F3/044

Abstract: According to one embodiment, a sensor-equipped display device includes a display panel which includes a sensor driving electrode disposed in a display area for displaying an image, detection electrodes each including a body portion opposed to the sensor driving electrode in the display area and a broadened portion connected to the body portion and formed to be wider than the body portion, and a lead line disposed in a non-display area outside the display area and electrically connected to the broadened portion. The broadened portion is disposed in the non-display area without being overlaid on the display area in planar view.

公开(公告)号：US20190102596A1

公开(公告)日：2019-04-04

申请号：US16142359

申请日：2018-09-26

Applicant: Japan Display Inc.

Inventor： Daichi SUZUKI ,  Hayato KURASAWA ,  Hiroshi MIZUHASHI ,  Toshinori UEHARA ,  Yuji SUZUKI

IPC: G06K9/00 ,  H01L23/00 ,  H01L23/31 ,  H01L23/498

Abstract: According to an aspect, a detection device includes: a first circuit substrate; a glass substrate attached at a position close to one surface of the first circuit substrate; a metal wire that couples an electrode provided on the one surface of the first circuit substrate to an electrode provided on the glass substrate; and a resin member that covers the glass substrate and the metal wire. The glass substrate includes a detection electrode that detects electrostatic capacitance.

公开(公告)号：US20190087038A1

公开(公告)日：2019-03-21

申请号：US16193810

申请日：2018-11-16

Applicant: Japan Display Inc.

Inventor： Tadayoshi KATSUTA ,  Hiroshi MIZUHASHI ,  Hayato KURASAWA

IPC: G06F3/046 ,  G06F3/0354 ,  G02F1/1333 ,  G06F3/044 ,  G06F3/047 ,  G06F3/041 ,  G02F1/1343

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.