公开(公告)号：US11410451B2

公开(公告)日：2022-08-09

申请号：US17077224

申请日：2020-10-22

Applicant: Japan Display Inc.

Inventor： Toshinori Uehara ,  Yoshitoshi Kida ,  Hiroshi Mizuhashi ,  Hayato Kurasawa ,  Yuji Suzuki ,  Shoji Hinata ,  Toshiya Yamazaki

IPC: G06V40/13 ,  G06F3/041 ,  G06F21/32 ,  G06F3/0354 ,  G06F3/044

Abstract: A display panel including a display function layer displaying an image in a display area, a cover member including a first face and a second face disposed on an opposite side of the first face and faces the display panel, and a fingerprint sensor including a plurality of first detection electrodes disposed in a sensor base and configured to detect unevenness of an object brought into contact with or approaching the first face of the cover member, a shield electrode disposed to face the plurality of first detection electrodes and configured to suppress a change in capacitance between the first detection electrodes and the shield electrode, and switching elements disposed in correspondence with the first detection electrodes, the fingerprint sensor being arranged between the cover member and the display panel and arranged to overlap with the display area when viewed in a direction perpendicular to the first face are included.

公开(公告)号：US20210318772A1

公开(公告)日：2021-10-14

申请号：US17355309

申请日：2021-06-23

Applicant: Japan Display Inc.

Inventor： Hiroshi MIZUHASHI ,  Hayato Kurasawa ,  Yoshitoshi Kida ,  Toshinori Uehara ,  Takayuki Nakanishi

IPC: G06F3/041 ,  G06F3/044

Abstract: A display device comprises a first power supply line supplying a first potential, a second power supply line supplying a second potential, a third power supply line supplying a touch driving signal, and a display unit including a plurality of sub-pixels. The display unit comprises a plurality of first electrodes respectively provided in the plurality of sub-pixels and electrically connected to the first power supply line, a second electrode provided to be common among the plurality of sub-pixels and electrically connected to the second power supply line, a light emitting layer provided between the first electrode and the second electrode, a plurality of third electrodes electrically connected to the third power supply line, and a signal control circuit supplying a signal synchronized with a touch driving signal to the second electrode in a period in which a touch driving signal is supplied to the plurality of third electrodes.

公开(公告)号：US11099413B2

公开(公告)日：2021-08-24

申请号：US15981268

申请日：2018-05-16

Applicant: Japan Display Inc.

Inventor： Yoshiro Aoki ,  Toshiya Yamazaki ,  Kazunori Yamaguchi ,  Toshihiro Yanagi ,  Yoshitoshi Kida ,  Kazuhiro Nishiyama ,  Shinichiro Oka ,  Hiroyuki Kimura ,  Takashi Nakamura

IPC: G02F1/1333 ,  G02F1/1345 ,  G02F1/1362 ,  H01L51/00 ,  H01L27/32 ,  G02F1/1343 ,  G02F1/1339 ,  G02F1/1368 ,  H01L51/52

Abstract: According to one embodiment, a display device includes a first basement, a first folding line and a second folding line. The first basement has a first area which is a display area including a display element, and a second area and a third area which are non-display areas and are adjacent to the first area. The first folding line is located at a border of the first area and the second area. The second folding line is located at a border of the first area and the third area. The first folding line extends in a first direction, and the second folding line extends in a second direction intersecting the first direction.

公开(公告)号：US10684730B2

公开(公告)日：2020-06-16

申请号：US15645141

申请日：2017-07-10

Applicant: Japan Display Inc.

Inventor： Kohei Azumi ,  Jouji Yamada ,  Hirofumi Nakagawa ,  Michio Yamamoto ,  Makoto Hayashi ,  Hiroshi Mizuhashi ,  Kozo Ikeno ,  Yoshitoshi Kida

IPC: G06F3/041 ,  G06F3/044

Abstract: According to one embodiment, an electronic apparatus includes a sensor-equipped display device including a display device and a sensor which outputs information for detecting a contact position on the display device, a display driver which outputs a driving signal to the sensor based on one setting table, an application processor which outputs a table selection signal specifying a setting table and a sensor setting signal specifying a driving method of the sensor to the display driver, and a sensing circuit which outputs a dataset including three-dimensional information of a coordinate of a position on the display device and a physical quantity at the coordinate to the application processor, and outputs a table selection request signal generated based on the table selection signal, and a control signal which controls driving timing of the sensor to the display driver, the control signal having generated based on the sensor setting signal.

公开(公告)号：US10514810B2

公开(公告)日：2019-12-24

申请号：US16397397

申请日：2019-04-29

Applicant: Japan Display Inc.

Inventor： Koji Noguchi ,  Yoshitoshi Kida

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

Abstract: A display apparatus with a substrate having a long side and a short side, a plurality of driving electrodes arranged on the substrate parallel to the long side of the substrate, a plurality of touch detection electrodes arranged on the substrate parallel to the short side of the substrate, a control unit electrically coupled to each of the plurality of driving electrodes and which sequentially drives the plurality of driving electrodes, and a detection unit electrically coupled to each of the touch detection electrodes.

公开(公告)号：US20190171316A1

公开(公告)日：2019-06-06

申请号：US15928544

申请日：2018-03-22

Applicant: Japan Display Inc.

Inventor： Koji Noguchi ,  Yoshitoshi Kida ,  Kohei Azumi

IPC: G06F3/041 ,  G06F3/044 ,  G09G5/00 ,  G09G5/18 ,  G06F3/047 ,  G09G3/36

CPC classification number: G06F3/0412 ,  G06F3/0416 ,  G06F3/0418 ,  G06F3/044 ,  G06F3/047 ,  G09G3/36 ,  G09G3/3677 ,  G09G3/3685 ,  G09G5/003 ,  G09G5/18 ,  G09G2300/0426 ,  G09G2310/0202 ,  G09G2310/0297 ,  G09G2310/08

Abstract: A display apparatus includes: a display device; a touch detection device; and a driver unit driving the display device so as to sequentially display M horizontal lines in each of plural unit drive periods forming one frame period and driving the touch detection device in N touch detection periods provided in each unit drive period, in which N is lower than M.

公开(公告)号：US20180307360A1

公开(公告)日：2018-10-25

申请号：US16025368

申请日：2018-07-02

Applicant: Japan Display Inc.

Inventor： Yoshitoshi Kida ,  Koji Noguchi ,  Hiroshi Mizuhashi ,  Kohei Azumi

IPC: G06F3/041 ,  H03K17/96

CPC classification number: G06F3/0412 ,  G02F1/13338 ,  G06F3/044 ,  H03K17/9622 ,  H03K2217/96031

Abstract: There are provided a display panel with a touch detection function, a drive circuit, and an electronic unit, which make it possible to realize many functions related to touch detection. The display panel includes: one or more display elements; one or more drive electrodes extending in one direction; an electrode drive section integrated into a chip, and applying a drive signal to the drive electrodes; and one or more touch detection electrodes extending in a direction intersecting the direction in which the drive electrodes extend.

公开(公告)号：US20180239468A1

公开(公告)日：2018-08-23

申请号：US15959742

申请日：2018-04-23

Applicant: Japan Display Inc.

Inventor： Hiroshi Mizuhashi ,  Yoshitoshi Kida ,  Koji Noguchi

IPC: G06F3/044 ,  G06F3/041

CPC classification number: G06F3/044 ,  G06F3/0412

Abstract: There are provide a display panel with a touch detection function, in which display operation is less affected by touch detection operation, a method of driving the display panel with a touch detection function, a driving circuit, and an electronic unit having the display panel with a touch detection function. The display panel with a touch detection function includes: one or more display elements; one or more drive electrodes; one or more touch detection electrodes; and a drive section selectively applying a DC drive signal or an AC drive signal to the drive electrodes.

公开(公告)号：US09977535B2

公开(公告)日：2018-05-22

申请号：US15468114

申请日：2017-03-24

Applicant: Japan Display, Inc

Inventor： Kouji Noguchi ,  Tsutomu Harada ,  Yoshitoshi Kida ,  Takayuki Nakanishi ,  Koji Ishizaki ,  Takeya Takeuchi

IPC: G06F3/044 ,  G06F3/041 ,  G02F1/1333 ,  G09G3/36

CPC classification number: G06F3/0416 ,  G02F1/13338 ,  G06F3/0412 ,  G06F3/044 ,  G09G3/3614 ,  G09G3/3696 ,  G09G2310/06

Abstract: A capacitance-type touch panel, allowing disturbance noise and touch detection time to be reduced and having a simple configuration, is provided. The capacitance-type touch panel including: a plurality of drive electrodes each having a strip shape; a drive control circuit performing control such that a drive signal for touch detection is selectively applied to the drive electrodes; a plurality of touch detection electrodes arranged to intersect with the drive electrodes in such a manner that capacitance is formed in each intersecting part, and each outputting a detection signal in synchronization with the drive signal; and a detection circuit detecting an external proximity object based on the detection signal. The drive control circuit controls application of the drive signal in such a manner that the detection signal is a polarity-alternating signal including a positive-negative asymmetrical signal component which is due to presence of the external proximity object.

公开(公告)号：US09946387B2

公开(公告)日：2018-04-17

申请号：US15412594

申请日：2017-01-23

Applicant: Japan Display Inc.

Inventor： Koji Noguchi ,  Yoshitoshi Kida ,  Kohei Azumi

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

CPC classification number: G06F3/0412 ,  G06F3/0416 ,  G06F3/0418 ,  G06F3/044 ,  G06F3/047 ,  G09G3/36 ,  G09G3/3677 ,  G09G3/3685 ,  G09G5/003 ,  G09G5/18 ,  G09G2300/0426 ,  G09G2310/0202 ,  G09G2310/0297 ,  G09G2310/08

Abstract: A display apparatus includes: a display device; a touch detection device; and a driver unit driving the display device so as to sequentially display M horizontal lines in each of plural unit drive periods forming one frame period and driving the touch detection device in N touch detection periods provided in each unit drive period, in which N is lower than M.