公开(公告)号：US10685612B2

公开(公告)日：2020-06-16

申请号：US15251143

申请日：2016-08-30

Applicant: Japan Display Inc.

Inventor： Hirotaka Hayashi

IPC: G09G3/36 ,  G02F1/1343 ,  G09G3/20 ,  G02F1/1335 ,  G02F1/1362

Abstract: According to one embodiment, a liquid crystal display device includes pixel electrodes including unit pixel electrodes, pixel circuits which apply a white-display voltage or a black-display voltage to the unit pixel electrodes, first and second polarity voltage lines being used in applying the white-display voltage and the black-display voltage to the pixel circuits, and a control unit which divides at least polarity voltage lines into a plurality of blocks, and supplies a polarity inversion signal to the polarity voltage lines to be subjected to polarity inversion driving, in units of one block, wherein the pixel circuits each include a pixel switch, a memory, and a polarity select unit which selects a voltage signal on one of the first and second polarity voltage lines in response to a binary image signal held by the memory.

公开(公告)号：US10332465B2

公开(公告)日：2019-06-25

申请号：US15068684

申请日：2016-03-14

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：US10318036B2

公开(公告)日：2019-06-11

申请号：US16128018

申请日：2018-09-11

Applicant: JAPAN DISPLAY INC.

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

IPC: G09G1/00 ,  G06F3/041 ,  G06F3/044 ,  G02F1/1333 ,  G06F3/047 ,  H01L27/32 ,  H01L51/52

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：US10210825B2

公开(公告)日：2019-02-19

申请号：US15075991

申请日：2016-03-21

Applicant: Japan Display Inc.

Inventor： Masaya Tamaki ,  Tsutomu Harada ,  Hirotaka Hayashi

IPC: G02F1/1362 ,  G02F1/1335 ,  G02F1/1345 ,  G09G3/36 ,  H01L27/12

Abstract: According to one embodiment, a display device, includes a first main pixel including first to third sub-pixels, a second main pixel including fourth to sixth sub-pixels, a display driver which produces video signals to be written to the respective sub-pixels of the first and second main pixels and supplies the video signals to the respective sub-pixels via signal lines, any one of the first to third sub-pixels and any one of the fourth to sixth sub-pixels sharing one of the signal lines.

公开(公告)号：US09383880B2

公开(公告)日：2016-07-05

申请号：US14995972

申请日：2016-01-14

Applicant: JAPAN DISPLAY INC.

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

IPC: G06F1/00 ,  G06F3/044 ,  G06F3/041 ,  G06F3/047

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.

Abstract translation: 根据一个实施例，一种横向电场液晶显示装置包括：发光显示层，包括OLED;以及控制OLED的发光的驱动电路，设置在层叠在发光显示层上的防潮膜 为了防止水分渗入发光显示层，与不透湿膜分开设置并使来自发光显示区域的光进行光学处理的光学基板，用作触摸电极的一个电极组的第一触摸电极组 并且设置在光学基板的背面上，形成为层叠在不透湿膜上的引出电极组，提取电极组和光学基板在平面图中具有重叠部分，并且第一触摸电极组的电极 以重叠的标准电连接到引出电极组的电极 t。

公开(公告)号：US20160116776A1

公开(公告)日：2016-04-28

申请号：US14883988

申请日：2015-10-15

Applicant: Japan Display Inc.

Inventor： Hirotaka Hayashi ,  Masahiro Tada ,  Kazuhide Mochizuki

IPC: G02F1/1368 ,  G02F1/1362 ,  G02F1/1343 ,  H01L29/786 ,  H01L27/12

CPC classification number: G02F1/1368 ,  G02F2001/134372 ,  G02F2001/13685 ,  G02F2201/52 ,  H01L27/1222 ,  H01L27/124 ,  H01L29/78633 ,  H01L29/78642 ,  H01L29/78675

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 light-shielding layer formed in the shape of a band, a first semiconductor layer, a second semiconductor layer, a gate line, a first pixel electrode and a second pixel electrode. A third region of the first semiconductor layer and a sixth region of the second semiconductor layer are each U-shaped, and each includes a first channel region and a second channel region, which are located opposite to the gate line.

Abstract translation: 根据一个实施例，液晶显示装置包括第一基板，第二基板和液晶层。 第一基板包括形成为带状，第一半导体层，第二半导体层，栅极线，第一像素电极和第二像素电极的形状的遮光层。 第一半导体层的第三区域和第二半导体层的第六区域各自为U形，并且各自包括位于与栅极线相对的第一沟道区域和第二沟道区域。

公开(公告)号：US12055831B2

公开(公告)日：2024-08-06

申请号：US18143624

申请日：2023-05-05

Applicant: Japan Display Inc.

Inventor： Hirotaka Hayashi

IPC: G02F1/1362 ,  G02F1/1339

CPC classification number: G02F1/136286 ,  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：US11927869B2

公开(公告)日：2024-03-12

申请号：US17451339

申请日：2021-10-19

Applicant: Japan Display Inc.

Inventor： Hirotaka Hayashi

IPC: G02F1/16766 ,  G02F1/1333 ,  G02F1/1362 ,  G02F1/167 ,  G02F1/16757 ,  H01L27/12 ,  H01L29/786

CPC classification number: G02F1/16766 ,  G02F1/133345 ,  G02F1/136227 ,  G02F1/167 ,  G02F1/16757 ,  H01L27/1225 ,  H01L27/124 ,  H01L29/7869

Abstract: According to one embodiment, a semiconductor substrate, comprising, a first semiconductor layer and a second semiconductor layer that overlap a scanning line, an insulating layer that covers the first semiconductor layer and the second semiconductor layer, and a signal line, wherein the insulating layer has a first opening including a pair of long sides and a pair of short sides, the long sides of the first opening are parallel to the second direction, and the short sides of the first opening are parallel to the first direction, and the signal line is connected to the first semiconductor layer and the second semiconductor layer via the first opening.

公开(公告)号：US11682732B2

公开(公告)日：2023-06-20

申请号：US17184708

申请日：2021-02-25

Applicant: Japan Display Inc.

Inventor： Hirotaka Hayashi ,  Masataka Ikeda

IPC: H01L29/786 ,  G02F1/167

CPC classification number: H01L29/7869 ,  G02F1/167

Abstract: According to one embodiment, a semiconductor layer includes a base, a scanning line disposed over the base, a signal line disposed over the base, a transistor overlapping the scanning line and the signal line and including a first oxide semiconductor layer connected to the signal line, and second oxide semiconductor layers disposed in a same layer as the first oxide semiconductor layer. The second oxide semiconductor layers are disposed around the transistor, and the second oxide semiconductor layers are floating.

公开(公告)号：US11626520B2

公开(公告)日：2023-04-11

申请号：US16779680

申请日：2020-02-03

Applicant: Japan Display Inc.

Inventor： Masataka Ikeda ,  Hirotaka Hayashi ,  Hitoshi Tanaka

IPC: H01L29/786 ,  H01L27/12 ,  G02F1/16766 ,  H01L49/02 ,  G02F1/167

Abstract: According to one embodiment, a semiconductor substrate includes a first basement, a gate line, a source line, an insulating film, a first pixel electrode, and a first transistor and a second transistor connected parallel at positions between the source line and the first pixel electrode. Each of a first semiconductor layer of the first transistor and a second semiconductor layer of the second transistor includes a first region, a second region, and a channel region. The first semiconductor layer and the second semiconductor layer are in contact with a first surface that is a surface of the insulating film on the source line side. The channel region of each of the first semiconductor layer and the second semiconductor layer wholly overlaps the gate line.