公开(公告)号：US10558297B2

公开(公告)日：2020-02-11

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：US20190331969A1

公开(公告)日：2019-10-31

申请号：US16509194

申请日：2019-07-11

Applicant: Japan Display Inc.

Inventor： Takao Atarashiya ,  Hayato Kurasawa

IPC: G02F1/1343 ,  G02F1/1335 ,  G02F1/1333 ,  G02F1/1368

Abstract: A liquid crystal includes first and second substrates, the first substrate including intersecting data lines and scan lines. A liquid crystal layer is sandwiched therebetween. Also, a plurality of sub-pixels districted by data lines and gate lines, and arranged along the long-axis and the short-axis directions in a matrix. A pixel electrode in the sub-pixels includes a central portion. A common electrode including linear electrodes arranged along the data lines and disposed with gaps therebetween. Sub-pixels are bent at the center portion, such that the linear electrodes or the gaps in both sides of the sub-pixels are inclined in opposite directions with respect to the long-axis direction. At least one of the linear electrodes or at least one of the gaps has a bent portion at the central portion of the respective pixel electrode. The common electrode is provided on liquid crystal layer side over the pixel electrode.

公开(公告)号：US10452193B2

公开(公告)日：2019-10-22

申请号：US16179268

申请日：2018-11-02

Applicant: Japan Display Inc.

Inventor： Naosuke Furutani ,  Hayato Kurasawa ,  Makoto Hayashi

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

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：US10452189B2

公开(公告)日：2019-10-22

申请号：US15078126

申请日：2016-03-23

Applicant: Japan Display Inc.

Inventor： Hiroshi Mizuhashi ,  Hayato Kurasawa ,  Daichi Suzuki ,  Fumitaka Gotoh ,  Makoto Hayashi

IPC: G06F3/044 ,  G06F3/041 ,  G06F3/046 ,  G06F3/0354

Abstract: To provide a display device with a touch detection function capable of suppressing an increase of price.The display device includes a pixel array that has a plurality of pixels disposed in a matrix form, a plurality of scan lines that are disposed in each row of the pixel array and supply a scan signal to the plurality of pixels disposed in each corresponding row, a plurality of signal lines that are disposed in each column of the pixel array and supply an image signal to the plurality of pixels disposed in each corresponding column, and a plurality of drive electrodes that are disposed in the pixel array and supply a drive signal to the plurality of pixels at a time of displaying an image. A coil that generates a magnetic field is formed using the plurality of drive electrodes at a time of detecting an external proximity object.

公开(公告)号：US10437407B2

公开(公告)日：2019-10-08

申请号：US16193810

申请日：2018-11-16

Applicant: Japan Display Inc.

Inventor： Tadayoshi Katsuta ,  Hiroshi Mizuhashi ,  Hayato Kurasawa

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

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.

公开(公告)号：US20190286276A1

公开(公告)日：2019-09-19

申请号：US16434800

申请日：2019-06-07

Applicant: Japan Display Inc.

Inventor： Hayato Kurasawa ,  Yuji Suzuki ,  Hiroshi Mizuhashi

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

Abstract: A display apparatus capable of reducing the lowering of detection sensitivity is provided. A display apparatus provided with a pixel array having a plurality of pixels arranged in a matrix form includes: detection electrodes which are in parallel with each other, which are arranged so as to extend in a first direction, and which are connected so as to forma magnetic-field detection coil; and a detection electrode having one end which is arranged inside the magnetic-field detection coil and which is connected to the magnetic-field detection coil, and the other end which is electrically insulated from the magnetic-field detection coil. At the time of each of the magnetic field detection and the electric field detection, an external object is detected based on a change in a signal in the detection electrodes.

公开(公告)号：US10394067B2

公开(公告)日：2019-08-27

申请号：US15826078

申请日：2017-11-29

Applicant: Japan Display Inc.

Inventor： Toshinori Uehara ,  Hiroshi Mizuhashi ,  Hayato Kurasawa

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

Abstract: According to an aspect, a detection device includes: a first detector and a second detector each configured to detect that an object is in contact therewith or in proximity thereto; a signal processor configured to perform signal processing on a detection signal output from the first detector and the second detector; and a selector configured to select one of the first detector and the second detector, and couple the selected one of the first detector and the second detector to the signal processor.

公开(公告)号：US20190243484A1

公开(公告)日：2019-08-08

申请号：US16256197

申请日：2019-01-24

Applicant: Japan Display Inc.

Inventor： Chihiro Tanaka ,  Hayato Kurasawa ,  Naoki Takada ,  Toshihiko Tanaka ,  Tatsuya Wakimoto ,  Keita Sasanuma ,  Koji Ishizaki

IPC: G06F3/044

CPC classification number: G06F3/044 ,  G06F2203/04101 ,  G06F2203/04107 ,  G06F2203/04111

Abstract: A detection apparatus comprising: a first substrate; a detection region having a first detection side extending along a first direction parallel with a surface of the first substrate and a second detection side extending along a second direction intersecting the first direction; a frame region provided outside the detection region and having a first frame region extending along the first detection side and a second frame region extending along the second detection side; a first electrode provided at a position overlapping the detection region of the first substrate, the first electrode extending in the second direction; a second electrode provided at a position overlapping the detection region, the second electrode extending in the first direction; a plurality of terminals provided in the first frame region of the first substrate and arrayed in the first direction, and including a first terminal; a first wire; and a second wire.

公开(公告)号：US10372961B2

公开(公告)日：2019-08-06

申请号：US15469755

申请日：2017-03-27

Applicant: Japan Display Inc.

Inventor： Fumihito Shibano ,  Hiroshi Mizuhashi ,  Toshinori Uehara ,  Kimiyo Nonoyama ,  Hayato Kurasawa

IPC: G06K9/28 ,  G06K9/00

Abstract: According to an aspect, a fingerprint sensor includes a first glass substrate, a second glass substrate, and a plurality of sensor electrodes between the first glass substrate and the second glass substrate. The first glass substrate and the second glass substrate are bonded together by a sealing material with the plurality of sensor electrodes interposed therebetween.

公开(公告)号：US20190220147A1

公开(公告)日：2019-07-18

申请号：US16366400

申请日：2019-03-27

Applicant: Japan Display Inc.

Inventor： Hayato Kurasawa ,  Shoji Hinata ,  Toshinori Uehara ,  Hiroshi Mizuhashi ,  Yuji Suzuki ,  Yasuhiro Kanaya

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

CPC classification number: G06F3/0418 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/044 ,  G06F2203/0338 ,  G06F2203/04107 ,  G06F2203/04108 ,  G06K9/0002 ,  G06K9/00053

Abstract: Included are a first cover base including an alkali glass layer, a first alkali-free glass layer provided on one face of the alkali glass layer, and a second alkali-free glass layer provided on another face of the alkali glass layer and a sensor that is provided on the first alkali-free glass layer of the first cover base and includes a plurality of first electrodes configured to detect the unevenness of a surface of an object to be detected that comes into contact with or close to the first cover base and a switching element. At least the first electrodes are formed above the first alkali-free glass layer and in a transmissive area that passes an image.