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    Display device
    22.
    发明授权
    Display device 有权

    公开(公告)号：US11422651B2

    公开(公告)日：2022-08-23

    申请号：US16911970

    申请日：2020-06-25

    Applicant: Japan Display Inc.

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

    IPC: G06F3/00 ,  G06F3/041 ,  G02F1/1333 ,  G06F3/044 ,  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.

    Display device
    24.
    发明授权
    Display device 有权

    公开(公告)号：US10943966B2

    公开(公告)日：2021-03-09

    申请号：US16593069

    申请日：2019-10-04

    Applicant: Japan Display Inc.

    Inventor： Tetsuo Morita ,  Hiroyuki Kimura ,  Makoto Shibusawa ,  Hiroshi Tabatake ,  Yasuhiro Ogawa

    IPC: H01L27/32 ,  H01L27/12 ,  H01L29/417 ,  H01L29/786

    Abstract: Provided is a display device including a plurality of pixels at least one of which has a first transistor and a light-emitting element. The first transistor includes a gate electrode, a gate insulating film over the gate electrode, an oxide semiconductor film over the gate insulating film, and a first terminal and a second terminal electrically connected to the semiconductor film. The second terminal is electrically connected to the light-emitting element. A region in which the first terminal overlaps with the gate electrode can be smaller than a region in which the second terminal overlaps with the gate electrode.

    Display device
    26.
    发明授权
    Display device 有权

    公开(公告)号：US10319297B2

    公开(公告)日：2019-06-11

    申请号：US15670241

    申请日：2017-08-07

    Applicant: Japan Display Inc.

    Inventor： Tetsuo Morita ,  Hiroyuki Kimura ,  Makoto Shibusawa ,  Hiroshi Tabatake ,  Yasuhiro Ogawa

    IPC: H01L27/32 ,  H01L29/786 ,  H01L51/50 ,  G09G3/3233 ,  G02F1/1345 ,  H01L27/12 ,  G02F1/1362

    Abstract: Disclosed is a display device including: a driving transistor, a first switching transistor, and a pixel transistor each having a gate and a pair of terminals; a storage capacitor having a pair of terminals; and a light-emitting element having an input terminal and an output terminal. One terminal of the driving transistor is electrically connected to one terminal of the pixel transistor. The other terminal of the driving transistor is electrically connected to one terminal of the first switching transistor and the input terminal of the light-emitting element. The other terminal of the first switching transistor is electrically connected to the gate of the driving transistor and one terminal of the capacitor. The one terminal of the capacitor overlaps with an active region of the driving transistor.

    Display device including function of reducing luminance gradient
    30.
    发明授权
    Display device including function of reducing luminance gradient 有权
    显示装置包括降低亮度梯度的功能

    公开(公告)号：US09542890B2

    公开(公告)日：2017-01-10

    申请号：US14554614

    申请日：2014-11-26

    Applicant: Japan Display Inc.

    Inventor： Hiroshi Nakayama ,  Tetsuo Morita ,  Hiroyuki Kimura ,  Makoto Shibusawa

    IPC: G09G3/30 ,  G09G3/32

    CPC classification number: G09G3/3266 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/066 ,  G09G2320/0233

    Abstract: According to one embodiment, a display device includes a plurality of pixel units which each includes a light-emitting element and a pixel circuit, a plurality of first scan lines and second scan lines, a plurality of video signal lines, a controller which controls a scan line drive circuit and a signal line drive circuit, wherein the pixel circuit comprises an output switch, a drive transistor, a capacitance, and a pixel switch, wherein the controller controls a reset operation, a cancellation operation, a correction operation, and a light-emitting operation, and the controller deforms a waveform of a control signal which is supplied from the second scan line in a manner that a time of transitioning the pixel switch from an on-state to an off-state is longer than the time of transitioning by a non-deformed control signal, when writing the video voltage signal in the correction operation.

    Abstract translation: 根据一个实施例，显示装置包括多个像素单元，每个像素单元包括发光元件和像素电路，多个第一扫描线和第二扫描线，多个视频信号线，控制器 扫描线驱动电路和信号线驱动电路，其中所述像素电路包括输出开关，驱动晶体管，电容和像素开关，其中所述控制器控制复位操作，取消操作，校正操作和 发光操作，并且控制器使从第二扫描线提供的控制信号的波形以使得像素开关从导通状态转换到截止状态的时间长于时间 当在校正操作中写入视频电压信号时，通过非变形控制信号转换。

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