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    DISPLAY DEVICE AND METHOD OF MANUFACTURING DISPLAY DEVICE
    82.
    发明公开
    DISPLAY DEVICE AND METHOD OF MANUFACTURING DISPLAY DEVICE 审中-公开

    公开(公告)号：US20240077772A1

    公开(公告)日：2024-03-07

    申请号：US18140070

    申请日：2023-04-27

    Applicant: Sharp Display Technology Corporation

    Inventor： Hiroaki WADA ,  Junichi MORI ,  Takumi TOMITA ,  Kenichi NISHIMURA ,  Hiroto AKIYAMA

    IPC: G02F1/135 ,  G02F1/1343 ,  G02F1/1362

    CPC classification number: G02F1/1351 ,  G02F1/13439 ,  G02F1/136286

    Abstract: A display device includes: a first substrate, a second substrate, a light-blocking portion, a pixel, and a wiring line. The second substrate has a main face opposite a main face of the first substrate. The light-blocking portion is disposed on the main face of the first substrate, including an opening, and blocking light. The pixel is disposed on the main faces of the first substrate and the second substrate and delimited by at least a part of the opening. The wiring line is disposed on the main face of the second substrate and at least partially overlapping the opening. The wiring line has a projection protruding toward a first substrate side. The projection has a surface including a curved surface and comprises a plurality of projections disposed at intervals in locations overlapping at least the opening.

    Wiring board and display device
    84.
    发明授权
    Wiring board and display device 有权

    公开(公告)号：US11914255B2

    公开(公告)日：2024-02-27

    申请号：US17685656

    申请日：2022-03-03

    Applicant: Sharp Display Technology Corporation

    Inventor： Junichi Morinaga ,  Hikaru Yoshino

    IPC: G06F3/041 ,  G06F3/044 ,  G02F1/1362 ,  G02F1/1343

    CPC classification number: G02F1/136286 ,  G02F1/134309 ,  G06F3/0412 ,  G06F3/04164

    Abstract: A wiring board includes position detection lines, position detection electrodes, a line, connection lines, and a short-circuit line. The position detection lines extend along a first direction and transmit at least position detection signals. The position detection electrodes are arranged at intervals with respect to the first direction and connected to the position detection lines. The line is disposed between the position detection electrodes that are adjacent to each other with respect to the first direction and the line extends in a second direction that crosses the first direction. The connection lines extend along the first direction and are connected to the position detection electrodes. The connection lines are arranged at intervals with respect to the second direction. The short-circuit line extends along the second direction and overlaps the line via an insulating film and is connected to the connection lines.

    LIGHT-EMITTING DEVICE
    85.
    发明公开
    LIGHT-EMITTING DEVICE 审中-公开

    公开(公告)号：US20240055551A1

    公开(公告)日：2024-02-15

    申请号：US18278480

    申请日：2021-04-14

    Applicant: Sharp Display Technology Corporation

    Inventor： Masayuki KANEHIRO ,  Youhei NAKANISHI ,  Shota OKAMOTO

    IPC: H01L33/06 ,  H01L33/62

    CPC classification number: H01L33/06 ,  H01L33/62 ,  H01L2933/0016

    Abstract: A light-emitting device includes a bank provided with an opening including an opening sidewall that is inclined, a lower layer electrode provided with an inclined face and formed on the bank, closing the opening, a upper layer electrode provided with an inclined face and formed above the second electrode, and an EL layer provided with an inclined face and formed between the lower layer electrode and the upper layer electrode, adjacently to the lower layer electrode and the upper layer electrode. The light-emitting device further includes a first refractive index layer having a refractive index higher than 1.7, and a second refractive index layer having a refractive index lower than the refractive index of the first refractive index layer. The first and second refractive index layers are formed in this order on the upper layer electrode at a through-hole.

    LIQUID CRYSTAL PANEL, DISPLAY DEVICE, AND DIMMING DEVICE
    86.
    发明公开
    LIQUID CRYSTAL PANEL, DISPLAY DEVICE, AND DIMMING DEVICE 审中-公开

    公开(公告)号：US20240053644A1

    公开(公告)日：2024-02-15

    申请号：US18230205

    申请日：2023-08-04

    Applicant: Sharp Display Technology Corporation

    Inventor： Takehisa YOSHIDA ,  Fumikazu SHIMOSHIKIRYOH

    IPC: G02F1/1362 ,  G02F1/1368

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

    Abstract: A liquid crystal panel is a normally-black mode segment liquid crystal panel, and includes a plurality of pixels that are arrayed in substantial tessellation of an active region, as viewed from a direction of the normal of a first substrate, and a plurality of auxiliary electrodes that each have a portion that overlaps a gap between two pixels that are adjacent to each other, as viewed from the direction of the normal of the first substrate. A plurality of pixel electrodes, a common electrode, the plurality of auxiliary electrodes, and portions of a plurality of signal lines that are present in the active region are made of a transparent electroconductive material. The auxiliary electrodes are electrically connected to one of two pixel electrodes of the two pixels.

    Optical element and liquid crystal display device
    88.
    发明授权
    Optical element and liquid crystal display device 有权

    公开(公告)号：US11874549B2

    公开(公告)日：2024-01-16

    申请号：US18199882

    申请日：2023-05-19

    Applicant: Sharp Display Technology Corporation

    Inventor： Ryosuke Saigusa ,  Akira Sakai ,  Yuichi Kawahira ,  Masahiro Hasegawa

    IPC: G02F1/1335 ,  G02F1/13363

    CPC classification number: G02F1/133528 ,  G02F1/13363 ,  G02F1/133562 ,  G02F1/133567 ,  G02F2413/02 ,  G02F2413/06

    Abstract: Provided are an optical element that can achieve both color difference control and luminance reduction at an oblique viewing angle, and a liquid crystal display device including the optical element and having excellent display quality. The optical element includes: a first polarizer; a first phase difference layer; a second phase difference layer; and a second polarizer, the first polarizer, the first phase difference layer, the second phase difference layer, and the second polarizer being arranged in the stated order, the first phase difference layer satisfying the formula nx>ny≈nz, the second phase difference layer satisfying the formula nz>nx≈ny, the first polarizer and the second polarizer being linear polarizers, transmission axes of the first polarizer and the second polarizer being parallel to each other, a slow axis of the first phase difference layer being orthogonal to a polarization axis of the first polarizer.

    ILLUMINATION DEVICE AND DISPLAY DEVICE
    90.
    发明公开
    ILLUMINATION DEVICE AND DISPLAY DEVICE 审中-公开

    公开(公告)号：US20230417978A1

    公开(公告)日：2023-12-28

    申请号：US18213518

    申请日：2023-06-23

    Applicant: Sharp Display Technology Corporation

    Inventor： Yuuichi KANBAYASHI ,  Shugo YAGI ,  Junichi MASUDA ,  Satoshi TSUBOOKA

    IPC: F21V8/00

    CPC classification number: G02B6/0053 ,  G02B6/0036 ,  G02B6/003

    Abstract: An illumination device includes a plurality of light sources arranged in a row, a light guide plate having a plate shape and including a first end face at an outer peripheral end face of the light guide plate and a first main surface included in a pair of main surfaces of the light guide plate, the first end face facing the plurality of light sources and being configured to receive incident light, the first main surface being configured to emit light, and a plurality of first lenses disposed at the first main surface, arranged along a first direction, and extending along a second direction, the first direction being an arrangement direction of the plurality of light sources, the second direction intersecting the first direction and extending along the first main surface.

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