公开(公告)号：US11687207B2

公开(公告)日：2023-06-27

申请号：US17672234

申请日：2022-02-15

申请人： Japan Display Inc.

发明人： Akihiko Fujisawa ,  Teppei Yamada ,  Kaoru Ito

IPC分类号： G06F3/044 ,  G06F3/041 ,  G06V40/13 ,  G06V10/147

CPC分类号： G06F3/0446 ,  G06F3/0445 ,  G06F3/0448 ,  G06F3/04166 ,  G06V10/147 ,  G06V40/1306

摘要： A display device is provided and includes display panel; sensor substrate formed on display panel; and M drive electrodes and detection electrodes extended in direction so as to intersect with M drive electrodes, wherein among M drive electrodes, any of lengths of N first drive electrodes, which are continuously adjacent to one another, is shorter than any of lengths of other N second drive electrodes which are continuously adjacent to one another, and number of detection electrodes which intersect with N first drive electrodes is larger than number of detection electrodes which intersect with N second drive electrodes.

公开(公告)号：US11269469B2

公开(公告)日：2022-03-08

申请号：US17061959

申请日：2020-10-02

申请人： Japan Display Inc.

发明人： Akihiko Fujisawa ,  Teppei Yamada ,  Kaoru Ito

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

摘要： A technology that can make the touch detection results at corner portions proper is proposed. A display device includes a display panel, a sensor substrate formed on the display panel, and plural drive electrodes and plural detection electrodes extended in a direction so as to intersect with the plural drive electrodes on the sensor substrate. Among the plural drive electrodes, any of the lengths of N first drive electrodes (where N represents the number), which are continuously adjacent to one another, is shorter than any of the lengths of the other drive electrodes. An area where at least one drive electrode among the N first drive electrodes and at least one detection electrode overlap each other is larger than the area of an intersectional portion where any of the other drive electrodes and any of the other detection electrodes overlap each other.

公开(公告)号：US20180101076A1

公开(公告)日：2018-04-12

申请号：US15834388

申请日：2017-12-07

申请人： Japan Display Inc.

发明人： Motoharu MIYAMOTO ,  Teppei Yamada ,  Yasuhiro Kanaya

IPC分类号： G02F1/1362 ,  H01L27/12 ,  G02F1/1368

CPC分类号： G02F1/136227 ,  G02F1/1362 ,  G02F1/136286 ,  G02F1/1368 ,  H01L27/1222 ,  H01L27/124 ,  H01L27/1251

摘要： A display device is provided with a pixel and a dummy pixel including a gate line and a signal line. The dummy pixel includes the gate line and a dummy semiconductor layer crossing the gate line through an insulating layer. The dummy semiconductor layer is electrically separated from the dummy semiconductor layer of the dummy pixel adjacent in the Y direction dummy pixel. The dummy pixel further includes a dummy signal line extending in the Y direction. The dummy signal line is connected to the dummy semiconductor layer through a plurality of contact holes. The contact holes are arranged with the gate line interposed between them in plan view.

公开(公告)号：US09910331B2

公开(公告)日：2018-03-06

申请号：US14844464

申请日：2015-09-03

申请人： Japan Display Inc.

发明人： Motoharu Miyamoto ,  Teppei Yamada ,  Yasuhiro Kanaya

IPC分类号： G02F1/1362 ,  H01L27/12 ,  G02F1/1368

CPC分类号： G02F1/136227 ,  G02F1/1362 ,  G02F1/136286 ,  G02F1/1368 ,  H01L27/1222 ,  H01L27/124 ,  H01L27/1251

摘要： A display device is provided with a pixel and a dummy pixel including a gate line and a signal line. The dummy pixel includes the gate line and a dummy semiconductor layer crossing the gate line through an insulating layer. The dummy semiconductor layer is electrically separated from the dummy semiconductor layer of the dummy pixel adjacent in the Y direction dummy pixel. The dummy pixel further includes a dummy signal line extending in the Y direction. The dummy signal line is connected to the dummy semiconductor layer through a plurality of contact holes. The contact holes are arranged with the gate line interposed between them in plan view.

公开(公告)号：US10386955B2

公开(公告)日：2019-08-20

申请号：US15373201

申请日：2016-12-08

申请人： Japan Display Inc.

发明人： Teppei Yamada ,  Masaki Murase ,  Yoshiyuki Ikehata ,  Daisuke Ito ,  Naoki Takada

IPC分类号： G06F3/041 ,  G06F3/044 ,  G02F1/1333 ,  G02F1/1362 ,  G02F1/133 ,  G09G3/20

摘要： A liquid crystal display device includes a panel unit and a driving unit driving the panel unit. The driving unit includes as operation modes a first mode in which a detection operation of a first external object is performed in units of a divided region obtained by dividing an entire surface of a touch region of the panel unit and a second mode in which a detection operation of a second external object is performed on the entire surface of the touch region of the panel unit. The first mode is a mode detecting, in units of the divided region of the panel unit, a contact position of the first external object with each divided region, and the second mode is a mode detecting, on the entire surface of the panel unit, whether or not the second external object approaches the entire surface.

公开(公告)号：US10120253B2

公开(公告)日：2018-11-06

申请号：US15834388

申请日：2017-12-07

申请人： Japan Display Inc.

发明人： Motoharu Miyamoto ,  Teppei Yamada ,  Yasuhiro Kanaya

IPC分类号： G02F1/1362 ,  H01L27/12 ,  G02F1/1368

摘要： A display device is provided with a pixel and a dummy pixel including a gate line and a signal line. The dummy pixel includes the gate line and a dummy semiconductor layer crossing the gate line through an insulating layer. The dummy semiconductor layer is electrically separated from the dummy semiconductor layer of the dummy pixel adjacent in the Y direction dummy pixel. The dummy pixel further includes a dummy signal line extending in the Y direction. The dummy signal line is connected to the dummy semiconductor layer through a plurality of contact holes. The contact holes are arranged with the gate line interposed between them in plan view.