公开(公告)号：US11415852B2

公开(公告)日：2022-08-16

申请号：US17464677

申请日：2021-09-02

Applicant: Japan Display Inc.

Inventor： Hirotaka Hayashi

IPC: G02F1/1362 ,  G02F1/1339

Abstract: Some of a plurality of image signal lines of a display apparatus according to one embodiment includes: a plurality of bypass wiring portions (bypass wirings) arranged in a frame region so as to have both ends being connected to a plurality of extension wiring portions (extension wirings). The plurality of bypass wiring portions of the plurality of image signal lines include: a plurality of second-layer bypass wirings arranged in a second conductive layer; and a plurality of third-layer bypass wirings arranged in a third conductive layer that is different from a first conductive layer and the second conductive layer. Each of an arrangement pitch between the plurality of second-layer bypass wirings and an arrangement pitch between the plurality of third-layer bypass wirings is smaller than an arrangement pitch between the plurality of image signal lines in a display region.

公开(公告)号：US11183132B2

公开(公告)日：2021-11-23

申请号：US17014628

申请日：2020-09-08

Applicant: Japan Display Inc.

Inventor： Masaya Tamaki ,  Tsutomu Harada ,  Hirotaka Hayashi

IPC: G09G3/36

Abstract: According to one embodiment, a display device, includes a first pixel line including a first sub-pixel and a second sub-pixel, a second pixel line including a third sub-pixel and a fourth sub-pixel, and a display driver supplying video signals which cause signal polarities of signal lines adjacent to each other to be opposite to each other, without varying the polarities in one frame period, the video signals having the same polarities as each other being written to the respective sub-pixels of the first pixel line, the video signals having the polarities which are the same as each other and opposite to the polarities of the video signals written to the first pixel line, being written to the respective sub-pixels of the second pixel line.

公开(公告)号：US10971097B2

公开(公告)日：2021-04-06

申请号：US16556877

申请日：2019-08-30

Applicant: Japan Display Inc.

Inventor： Hirotaka Hayashi

IPC: G09G3/36 ,  G02F1/1345 ,  G02F1/1362 ,  G02F1/1333 ,  G09G3/3233 ,  G02F1/1343 ,  G02F1/1335 ,  G02F1/1339

Abstract: A display device includes a first substrate; and a circuit layer arranged on the first substrate and comprising a first scanning signal line driving circuit arranged on the side of a first side of the first substrate, a second scanning signal line driving circuit arranged on the side of a second side, a third scanning signal line driving circuit arranged between the first scanning signal line driving circuit and the second scanning signal line driving circuit, and each of a plurality of pixel circuits including a first pixel circuit and a second pixel circuit, the first pixel circuit being arranged in a region between the first scanning signal line driving circuit and the third scanning signal line driving circuit, and the second pixel circuit being arranged in a region between the third scanning signal line driving circuit and the second scanning signal line driving circuit.

公开(公告)号：US10714031B2

公开(公告)日：2020-07-14

申请号：US16190565

申请日：2018-11-14

Applicant: Japan Display Inc.

Inventor： Hirotaka Hayashi

IPC: G09G3/34 ,  G02F1/1362

Abstract: A display device comprising: a display portion that is provided on a thin-film transistor (TFT) substrate and that comprises pixel capacitors and pixel transistors included in a plurality of pixels arranged in a matrix in a first direction and a second direction intersecting the first direction, a plurality of scan lines each coupled to some of the pixels arranged in the first direction, and a plurality of video signal lines each coupled to some of the pixels arranged in the second direction; and a driver that is provided on the TFT substrate and that is configured to supply video signals to the video signal lines and to control the pixel transistors to be on and off through the scan lines.

公开(公告)号：US10444556B2

公开(公告)日：2019-10-15

申请号：US15726426

申请日：2017-10-06

Applicant: Japan Display Inc.

Inventor： Hirotaka Hayashi

IPC: G02F1/1333 ,  G02F1/1345 ,  G09G3/36 ,  G02F1/1343 ,  G02F1/1335 ,  G02F1/1339 ,  G02F1/1362 ,  G09G3/20 ,  G09G3/3233

Abstract: A display device includes a first substrate; and a circuit layer arranged on the first substrate and comprising a first scanning signal line driving circuit arranged on the side of a first side of the first substrate, a second scanning signal line driving circuit arranged on the side of a second side, a third scanning signal line driving circuit arranged between the first scanning signal line driving circuit and the second scanning signal line driving circuit, and each of a plurality of pixel circuits including a first pixel circuit and a second pixel circuit, the first pixel circuit being arranged in a region between the first scanning signal line driving circuit and the third scanning signal line driving circuit, and the second pixel circuit being arranged in a region between the third scanning signal line driving circuit and the second scanning signal line driving circuit.

公开(公告)号：US09915845B2

公开(公告)日：2018-03-13

申请号：US14883749

申请日：2015-10-15

Applicant: Japan Display Inc.

Inventor： Kazuhide Mochizuki ,  Hirotaka Hayashi ,  Hiroyuki Kimura

IPC: G02F1/1362 ,  G02F1/1343 ,  G02F1/1333

CPC classification number: G02F1/136286 ,  G02F1/133345 ,  G02F1/134336 ,  G02F1/136227

Abstract: According to one embodiment, a liquid crystal display device includes a first substrate, a second substrate and a liquid crystal layer. The first substrate includes a gate line extending in a first direction, a first signal line, a second signal line, a first semiconductor layer, a second semiconductor layer, an insulating film, a first contact hole, a second contact hole, a first pixel electrode and a second pixel electrode. The second contact hole is located opposite to the first contact hole in a second direction intersecting the first direction.

公开(公告)号：US09753337B2

公开(公告)日：2017-09-05

申请号：US14607543

申请日：2015-01-28

Applicant: Japan Display Inc.

Inventor： Hirotaka Hayashi

IPC: G02F1/1343

CPC classification number: G02F1/134336 ,  G02F2201/52

Abstract: According to one embodiment, a display device includes a unit pixel includes a first pixel including a first pixel electrode, a second pixel including a second pixel electrode, a third pixel including a third pixel electrode, and a fourth pixel including a fourth pixel electrode, a scanning line electrically connected to the first to fourth pixels, and first to fourth signal lines extending in the column direction and disposed at intervals in the row direction, the first to fourth signal lines electrically connected to the first to fourth pixels, respectively, wherein the first to fourth pixel electrodes are light reflective, and the scanning line is sequentially drawn into each pixel area of the first to fourth pixels in a manner that an entire width of the scanning line is contained within each pixel area.

公开(公告)号：US20160291738A1

公开(公告)日：2016-10-06

申请号：US15180704

申请日：2016-06-13

Applicant: JAPAN DISPLAY INC.

Inventor： Yoshiro AOKI ,  Takashi Nakamura ,  Masahiro Tada ,  Hirotaka Hayashi ,  Makoto Shibusawa ,  Yutaka Umeda ,  Miyuki Ishikawa

IPC: G06F3/044 ,  H01L51/52 ,  H01L27/32

CPC classification number: G06F3/0412 ,  G02F1/13338 ,  G06F3/0416 ,  G06F3/044 ,  G06F3/047 ,  G06F2203/04103 ,  G06F2203/04107 ,  G06F2203/04111 ,  G06F2203/04112 ,  H01L27/323 ,  H01L51/5237 ,  H01L51/524 ,  H01L51/5253

Abstract: According to one embodiment, a lateral-electric-field liquid crystal display device includes a light-emitting display layer including OLEDs and a driving circuit controlling light emission of the OLEDs, a moisture impermeable film provided to be laminated on the light-emitting display layer to prevent infiltration of moisture into the light-emitting display layer, an optical substrate provided separately from the moisture impermeable film and subjecting light from the light-emitting display region to optical processing, a first touch electrode group serving as one electrode group of touch electrodes and provided on a back surface of the optical substrate, and an extraction electrode group formed to be laminated on the moisture impermeable film, the extraction electrode group and the optical substrate have an overlapping part in plan view, and electrodes of the first touch electrode group being electrically connected to electrodes of the extraction electrode group in the overlapping part.

公开(公告)号：US20140225844A1

公开(公告)日：2014-08-14

申请号：US14151181

申请日：2014-01-09

Applicant: Japan Display Inc.

Inventor： Masahiro TADA ,  Yutaka Umeda ,  Takashi Nakamura ,  Hirotaka Hayashi

IPC: G06F3/01 ,  G06F3/041

CPC classification number: G06F3/016 ,  G06F3/044

Abstract: According to one embodiment, a touchpanel includes, a plurality of electrodes arranged in each of a first direction and a second direction on the touchpanel, a module configured to supply a signal for detecting a position of a conductor on the touchpanel to each of the electrodes, and configured to compute the position of the conductor based on a signal output from the electrode, a module configured to output a tactile signal to an electrode in a vicinity to the position of the conductor, a module configured to switch between a signal line from the touch detection module and a signal line from the tactile output module, and to connect the signal line to a signal line from each of the electrodes, and a control module configured to control operations of the modules.

Abstract translation: 根据一个实施例，触摸屏包括：多个电极，其布置在触摸屏上的第一方向和第二方向中的每一个中;模块，被配置为提供用于检测触摸面板上的导体的位置的信号到每个电极 并且被配置为基于从所述电极输出的信号来计算所述导体的位置，所述模块被配置为向所述导体的位置附近的电极输出触觉信号，所述模块被配置为在所述导体的信号线之间切换， 触摸检测模块和来自触觉输出模块的信号线，并且将信号线连接到来自每个电极的信号线;以及控制模块，被配置为控制模块的操作。