公开(公告)号：US20240019743A1

公开(公告)日：2024-01-18

申请号：US18220358

申请日：2023-07-11

Applicant: Japan Display Inc.

Inventor： Hirotaka HAYASHI

IPC: G02F1/1362 ,  G02F1/1368

CPC classification number: G02F1/136286 ,  G02F1/1368 ,  G02F1/136209

Abstract: According to an aspect, a display device includes: a first light-transmitting substrate; a second light-transmitting substrate; a liquid crystal layer disposed between the first light-transmitting substrate and the second light-transmitting substrate and includes polymer-dispersed liquid crystals; scan lines that are provided to the first light-transmitting substrate and extend along a first direction; signal lines that extend in a second direction intersecting the first direction; a first pixel electrode and a second pixel electrode that are arranged in the second direction; and a first switching element electrically coupled to the first pixel electrode and a second switching element electrically coupled to the second pixel electrode. One of the scan lines is arranged between the first pixel electrode and the second pixel electrode in the second direction and is electrically coupled to the first switching element of the first pixel electrode and the second switching element of the second pixel electrode.

公开(公告)号：US20230090207A1

公开(公告)日：2023-03-23

申请号：US18071694

申请日：2022-11-30

Applicant: Japan Display Inc.

Inventor： Hirotaka HAYASHI

IPC: G09G3/34 ,  G09G3/00 ,  G02F1/16766 ,  G02F1/167

Abstract: According to one embodiment, an electronic device includes scanning, signal, pixels, and an inspection circuit disposed in a non-display area and including first switch elements connected to the scanning lines, the first switch elements are oxide semiconductor transistors including an oxide semiconductor layer, and each of the first switch elements of the inspection circuit includes at least two transistors connected in series to one of the scanning lines.

公开(公告)号：US20220260881A1

公开(公告)日：2022-08-18

申请号：US17734217

申请日：2022-05-02

Applicant: Japan Display Inc.

Inventor： Hirotaka HAYASHI

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

Abstract: According to one embodiment, a semiconductor substrate comprises a pixel partitioned by a first gate line and a second gate line among a plurality of gate lines and by a first source line and a second source line among a plurality of source lines, a first transistor and a second transistor that are arranged in the pixel, and a first pixel electrode disposed between the first source line and the second source line and a second pixel electrode adjacent to the first pixel electrode in the second direction, wherein the first transistor and the second transistor are connected to the first pixel electrode, and the first gate line does not overlap the first pixel electrode but overlaps the second pixel electrode.

公开(公告)号：US20210397057A1

公开(公告)日：2021-12-23

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：US20210157208A1

公开(公告)日：2021-05-27

申请号：US17165976

申请日：2021-02-03

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：US20200251597A1

公开(公告)日：2020-08-06

申请号：US16779680

申请日：2020-02-03

Applicant: Japan Display Inc.

Inventor： Masataka IKEDA ,  Hirotaka HAYASHI ,  Hitoshi TANAKA

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

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.

公开(公告)号：US20190004658A1

公开(公告)日：2019-01-03

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

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：US20170153513A1

公开(公告)日：2017-06-01

申请号：US15364775

申请日：2016-11-30

Applicant: Japan Display Inc.

Inventor： Masaya TAMAKI ,  Hirotaka HAYASHI

IPC: G02F1/1343 ,  G02F1/1345 ,  G02F1/1335 ,  G09G3/20

CPC classification number: G02F1/134309 ,  G02F2001/134345 ,  G09G3/2003 ,  G09G3/2074 ,  G09G2300/0426 ,  G09G2300/0443 ,  G09G2300/0828 ,  G09G2300/0857

Abstract: According to one embodiment, a display device includes a unit pixel including first to fourth sub-pixels exhibiting different colors, each of the first to fourth sub-pixels includes first to third segments for displaying 3-bit gradation, the first segment being a rectangular region including first to fourth sides, the second segment being an L-letter region located on a side closer to a geometric center of the unit pixel than the first segment and formed along the first and second sides which intersect each other, the third segment being an L-letter region located on a side farther from the geometric center than the first segment and formed along the third and fourth sides which intersect each other.

公开(公告)号：US20160131939A1

公开(公告)日：2016-05-12

申请号：US14931109

申请日：2015-11-03

Applicant: Japan Display Inc.

Inventor： Muneharu AKIYOSHI ,  Kisako NINOMIYA ,  Yasushi KAWATA ,  Hirotaka HAYASHI ,  Arichika ISHIDA

IPC: G02F1/1335 ,  G02F1/13363 ,  G02F1/1368

CPC classification number: G02F1/133502 ,  G02F1/1362 ,  G02F1/136209

Abstract: According to one embodiment, a reflective type liquid crystal display device provided can suppress light leakage into a thin film transistor due to entry of extraneous light. An array substrate includes a glass substrate, a plurality of thin film transistors, a plurality of pixel electrodes, and a metal film. The plurality of thin film transistors are provided to the glass substrate. The plurality of pixel electrodes are spaced apart from each other and driven by the thin film transistors. The plurality of pixel electrodes reflect extraneous light entering the reflective type display device from a counter substrate side. The metal film is provided between a gap between the pixel electrodes and each of the thin film transistors.

Abstract translation: 根据一个实施例，提供的反射型液晶显示装置可以抑制由于外来光的进入而导致的薄膜晶体管的漏光。 阵列基板包括玻璃基板，多个薄膜晶体管，多个像素电极和金属膜。 多个薄膜晶体管被提供到玻璃基板。 多个像素电极彼此间隔开并由薄膜晶体管驱动。 多个像素电极从对置基板侧反射进入反射型显示装置的外来光。 金属膜设置在像素电极和每个薄膜晶体管之间的间隙之间。

公开(公告)号：US20160116813A1

公开(公告)日：2016-04-28

申请号：US14883749

申请日：2015-10-15

Applicant: Japan Display Inc.

Inventor： Kazuhide MOCHIZUKI ,  Hirotaka HAYASHI ,  Hiroyuki KIMURA

IPC: G02F1/1362 ,  G02F1/1333

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.

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。 第一基板包括沿第一方向延伸的栅极线，第一信号线，第二信号线，第一半导体层，第二半导体层，绝缘膜，第一接触孔，第二接触孔，第一像素 电极和第二像素电极。 第二接触孔在与第一方向相交的第二方向上与第一接触孔相对。