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    Gate driving circuit and display device having the same
    61.
    发明授权
    Gate driving circuit and display device having the same 有权

    公开(公告)号：US09905188B2

    公开(公告)日：2018-02-27

    申请号：US14876305

    申请日：2015-10-06

    Applicant: Samsung Display Co., LTD.

    Inventor： Junhyun Park ,  Sunghwan Kim ,  Seyoung Song ,  Kyoungju Shin ,  Jaekeun Lim ,  Chongchul Chai

    IPC: G09G3/36 ,  G11C19/28

    CPC classification number: G09G3/3696 ,  G09G3/3677 ,  G09G2310/0286 ,  G11C19/287

    Abstract: Provided is a gate driving circuit including driving stages which provide a plurality of pixels of a display panel with gate signals, wherein any one of the driving stages includes a thin film transistor including a first control electrode, an activation part overlapping the first control electrode, an input electrode overlapping the activation part, an output electrode overlapping the activation part, and a second electrode disposed on the first control electrode and the activation part; and a capacitor including a first electrode disposed on the layer on which the first control electrode is disposed, a second electrode, which overlaps at least a portion of the first electrode and is disposed on the layer on which the input electrode is disposed, and a third electrode which overlaps the first and second electrodes and is electrically connected to the first electrode.

    DISPLAY APPARATUS AND DRIVING METHOD THEREOF
    62.
    发明申请
    DISPLAY APPARATUS AND DRIVING METHOD THEREOF 审中-公开
    显示装置及其驱动方法

    公开(公告)号：US20160329025A1

    公开(公告)日：2016-11-10

    申请号：US15051621

    申请日：2016-02-23

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Junhyun Park ,  Sunghwan Kim ,  Seyoung Song ,  Kyoungju Shin

    IPC: G09G5/00

    CPC classification number: G09G3/3688 ,  G09G3/3648 ,  G09G2300/0426 ,  G09G2310/0248 ,  G09G2310/0289 ,  G09G2310/0297 ,  G09G2320/0219

    Abstract: A display apparatus includes: a display panel including pixels respectively connected to gate lines and data lines; a data driving circuit to output a data output signal in response to a data signal; a demultiplexer circuit to provide first and second data lines from among the data lines with the data output signal, in response to control signals; and a driving controller to provide the data signal and the control signals. The demultiplexer circuit includes: a switching transistor including a first electrode to receive the data output signal, a second electrode connected to the first data line, and a gate electrode connected to a first node; and a switching control circuit to charge the first node to turn on the switching transistor during a first interval of a first horizontal period, and to discharge the first node during a second interval of the first horizontal period.

    Abstract translation: 显示装置包括：显示面板，包括分别连接到栅极线和数据线的像素; 数据驱动电路，用于响应于数据信号输出数据输出信号; 解复用器电路，用于响应于控制信号从数据线中提供数据输出信号的第一和第二数据线; 以及提供数据信号和控制信号的驱动控制器。 解复用器电路包括：开关晶体管，包括用于接收数据输出信号的第一电极，连接到第一数据线的第二电极和连接到第一节点的栅电极; 以及开关控制电路，用于对第一节点充电以在第一水平周期的第一间隔期间接通开关晶体管，并且在第一水平周期的第二间隔期间对第一节点放电。

    GATE DRIVING CIRCUIT
    63.
    发明申请
    GATE DRIVING CIRCUIT 审中-公开
    门驱动电路

    公开(公告)号：US20160218707A1

    公开(公告)日：2016-07-28

    申请号：US15006000

    申请日：2016-01-25

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Junhyun Park ,  Jonghee Kim ,  Sunghwan Kim ,  Jaekeun Lim ,  Chongchul Chai

    IPC: H03K17/687 ,  G09G3/36

    Abstract: A gate driving circuit includes a plurality of driving stages, wherein an ith (where i is a natural number of 2 or more) driving stage among the plurality of driving stages includes: a output unit outputting an ith output signal including a high voltage generated based on a clock signal in response to a low voltage at a Q-node; a stabilization unit providing the low voltage to the Q-node in response to a switching signal applied to an A-node after the ith output signal is outputted; and an inverter unit outputting the switching signal for controlling the stabilization unit to the A-node.

    Abstract translation: 栅极驱动电路包括多个驱动级，其中，所述多个驱动级中的第i个（其中i是2或更多的自然数）驱动级包括：输出单元，输出包括基于高电压的基于 响应于Q节点处的低电压的时钟信号; 稳定单元，响应于在输出第i个输出信号之后施加到A节点的切换信号，向Q节点提供低电压; 以及逆变器单元，输出用于将稳定单元控制到A节点的切换信号。

    Display panel and display device with scan line electrically connected to adjacent scan line
    64.
    发明授权
    Display panel and display device with scan line electrically connected to adjacent scan line 有权

    公开(公告)号：US12167656B2

    公开(公告)日：2024-12-10

    申请号：US18206825

    申请日：2023-06-07

    Applicant: Samsung Display Co., Ltd.

    Inventor： Hyeongseok Kim ,  Youngwan Seo ,  Junhyun Park ,  Yujin Lee ,  Cheol-Gon Lee

    IPC: H10K59/131 ,  H10K59/35

    Abstract: A display panel includes a first display area and a second display area. The display panel includes a plurality of first pixel groups in the first display area, a plurality of second pixel groups in the second display area, and a plurality of scan lines connected to the first and second pixel groups. The second display area includes a plurality of light emitting areas in which the second pixel groups are respectively disposed, and a plurality of open areas in which the second pixel groups are not disposed. One of a second pixel group of an n-th row is cut and does not overlap an adjacent open area of the n-th row, and is connected in the second display area to a scan line of a second pixel group of an (n−1)-th row or a scan line of a second pixel group of an (n+1)-th row.

    Pixel and display device including the same
    65.
    发明授权
    Pixel and display device including the same 有权

    公开(公告)号：US12125425B2

    公开(公告)日：2024-10-22

    申请号：US17958509

    申请日：2022-10-03

    Applicant: Samsung Display Co., LTD.

    Inventor： Junhyun Park ,  Jangmi Kang ,  Minjae Jeong

    IPC: G09G3/20 ,  G09G3/3233

    CPC classification number: G09G3/20 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/0267 ,  G09G2310/0275

    Abstract: A pixel may include a light emitting element; a data write transistor that writes a data voltage; a driving transistor that applies a driving current to the light emitting element based on the data voltage; a hold capacitor including a first electrode to which a first power supply voltage is applied, and a second electrode electrically connected to a first node; a storage capacitor including a first electrode electrically connected to the first node, and a second electrode electrically connected to a control electrode of the driving transistor; at least one polysilicon thin film transistor; and at least one oxide thin film transistor. The at least one oxide thin film transistor may be disposed between the at least one polysilicon thin film transistor and the hold capacitor, or between the at least one polysilicon thin film transistor and the storage capacitor.

    DISPLAY APPARATUS
    67.
    发明公开
    DISPLAY APPARATUS 审中-公开

    公开(公告)号：US20240324288A1

    公开(公告)日：2024-09-26

    申请号：US18583109

    申请日：2024-02-21

    Applicant: Samsung Display Co., Ltd.

    Inventor： Sunhwa Lee ,  Junhyun Park ,  Hyeongseok Kim ,  Heejean Park ,  Hanbit Kim

    IPC: H10K59/121 ,  H10K59/124 ,  H10K59/131

    CPC classification number: H10K59/1213 ,  H10K59/1216 ,  H10K59/131 ,  H10K59/124

    Abstract: A display apparatus includes a first thin-film transistor in a display area, and including a first semiconductor layer and a first gate electrode, the first semiconductor layer including a silicon semiconductor, a second thin-film transistor on the first thin-film transistor, and including a second semiconductor layer and a second gate electrode, the second semiconductor layer including an oxide semiconductor, a third thin-film transistor on the first thin-film transistor, and including a third semiconductor layer and a third gate electrode, the third semiconductor layer including an oxide semiconductor, a bridge metal layer between the first thin-film transistor and the second thin-film transistor and electrically connected to the first semiconductor layer through a first contact hole, and a first conductive pattern layer on the second gate electrode of the second thin-film transistor, and the bridge metal layer is electrically connected to the first conductive pattern layer through a second contact hole.

    Electronic device
    69.
    发明授权
    Electronic device 有权

    公开(公告)号：US12101976B2

    公开(公告)日：2024-09-24

    申请号：US17685773

    申请日：2022-03-03

    Applicant: Samsung Display Co., Ltd.

    Inventor： Junhyun Park ,  Jangmi Kang ,  Minjae Jeong

    IPC: H10K59/131 ,  H10K59/126

    CPC classification number: H10K59/131 ,  H10K59/126

    Abstract: An electronic device includes a display panel including a plurality of pixels. Each of the plurality of pixels includes a light-emitting diode, a power line, an initialization voltage line, an initialization signal line, a bias voltage line, a transistor including a first gate in contact with the initialization signal line through a first contact and electrically connected between the initialization voltage line and the anode, and a transistor including a second gate in contact with the initialization signal line through a second contact and electrically connected between the power line and the bias voltage line. In a plan view, the initialization signal line does not overlap the power line.

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