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    Display panel having multiple common electrodes
    53.
    发明授权
    Display panel having multiple common electrodes 有权

    公开(公告)号：US11302898B2

    公开(公告)日：2022-04-12

    申请号：US16637801

    申请日：2018-08-09

    Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

    Inventor： Daiki Nakamura ,  Nozomu Sugisawa

    IPC: H01L51/52 ,  H01L25/04 ,  H01L27/32 ,  H01L33/44

    Abstract: A display device including display regions with inconspicuous seam is provided. The display device includes a first display panel and a second display panel. The first display panel includes a first display region and a visible-light-transmitting region. The second display panel includes a second display region. The first display region is adjacent to the visible-light-transmitting region. The first display region includes a first light-emitting element and a second light-emitting element. A first common electrode included in the first light-emitting element includes a portion in contact with a second common electrode included in the second light-emitting element. The first common electrode has a function of reflecting visible light. The second common electrode has a function of transmitting visible light. The second light-emitting element is positioned closer to the visible-light-transmitting region than the first light-emitting element. The second display region includes a portion overlapping with the second light-emitting element and a portion overlapping with the visible-light-transmitting region.

    Light-emitting device and camera
    54.
    发明授权
    Light-emitting device and camera 有权

    公开(公告)号：US11172109B2

    公开(公告)日：2021-11-09

    申请号：US16773435

    申请日：2020-01-27

    Applicant: Semiconductor Energy Laboratory Co., Ltd.

    Inventor： Daiki Nakamura ,  Nobuharu Ohsawa ,  Hisao Ikeda ,  Akihiro Kaita ,  Shunpei Yamazaki

    IPC: H05B45/10 ,  H05B47/10 ,  H04N5/235 ,  H04N5/225 ,  H05B33/08 ,  H05B45/37 ,  H05B45/00 ,  H05B47/11 ,  H05B45/395 ,  H05B45/12 ,  G03B15/05

    Abstract: To provide a light-emitting device whose amount of light can be adjusted, or the like. The amount of light emitted from the light-emitting device can be adjusted by controlling the magnitude of the constant current pulse by a control signal. Specifically, the light-emitting device includes a constant current supply configured to be supplied with a control signal and a control pulse signal and configured to supply a constant current pulse; a control device configured to supply the control signal; a driver circuit configured to supply the control pulse signal; and a light-emitting panel configured to be supplied with the constant current pulse. The control signal is a signal for controlling the magnitude of the constant current pulse. The light-emitting panel includes a light-emitting element. The current density of the light-emitting element is greater than or equal to 10 mA/cm2 and less than or equal to 1000 mA/cm2.

    Display device and electronic device
    55.
    发明授权
    Display device and electronic device 有权

    公开(公告)号：US10424632B2

    公开(公告)日：2019-09-24

    申请号：US15358337

    申请日：2016-11-22

    Applicant: Semiconductor Energy Laboratory Co., Ltd.

    Inventor： Daiki Nakamura

    IPC: H01L27/32 ,  H01L51/52 ,  H01L51/00

    Abstract: A display device including a wide display region in which a seam is less likely to be noticed is provided. The display device includes two display panels that overlap with each other. An upper display panel includes a first display region and a region that transmits visible light. A lower display panel includes a second display region and a region that blocks visible light. The second display region overlaps with, on a display surface side, the region that transmits visible light. The region that blocks visible light overlaps with the first display region. At least part of an insulating layer included in the upper display panel is provided in the first display region and not provided in the region that transmits visible light.

    Display device and electronic device
    56.
    发明授权
    Display device and electronic device 有权

    公开(公告)号：US10312264B2

    公开(公告)日：2019-06-04

    申请号：US15702094

    申请日：2017-09-12

    Applicant: Semiconductor Energy Laboratory Co., Ltd.

    Inventor： Daiki Nakamura ,  Kensuke Yoshizumi

    IPC: H01L27/12 ,  H01L27/15 ,  H01L27/32 ,  H01L51/00 ,  H01L33/00 ,  H01L33/62 ,  H01L51/52

    Abstract: A display device includes overlapping two display panels. The display panel on the upper side includes a first display region and a region that transmits visible light. The display panel on the lower side includes a second display region and a region that blocks visible light. The second display region overlaps with the region that transmits visible light. The region that blocks visible light overlaps with the first display region. The display panel on the lower side includes a third display region between the second display region and the region that blocks visible light. The gate signal and the source signal supplied to a first pixel in the third display region are the same as the gate signal and the source signal supplied to a second pixel in the second display region. The second pixel is closer to the first pixel than any other pixels included in the second display region.

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