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    Display device having improved crack detection capability and method of driving the same
    1.
    发明授权
    Display device having improved crack detection capability and method of driving the same 有权

    公开(公告)号：US10354568B2

    公开(公告)日：2019-07-16

    申请号：US15411784

    申请日：2017-01-20

    Applicant: Samsung Display Co., Ltd.

    Inventor： Il-Hun Jeong ,  Woo-Seok Jang

    IPC: G09G3/00 ,  G09G3/3233 ,  G09G3/20

    Abstract: A display device includes a display panel including a plurality of pixels, a power supply transmitting driving power to the pixels via a power line and stopping transmission of the driving power in response to a crack signal, a panel driver provides a driving signal to the pixels, the driving signal for displaying a black image during a non-emission period of each frame period and displaying a valid image during an emission period of each frame period, and a crack detector senses a current flowing through the power line and conditionally generate the crack signal according to values of the current sensed over M successive frame periods, where M is an integer greater than 1.

    Pixel circuit and method of driving the same
    5.
    发明授权
    Pixel circuit and method of driving the same 有权

    公开(公告)号：US11475834B2

    公开(公告)日：2022-10-18

    申请号：US17179453

    申请日：2021-02-19

    Applicant: Samsung Display Co., Ltd.

    Inventor： Il-Hun Jeong

    IPC: G09G3/3233 ,  G09G3/3266 ,  G09G3/3291

    Abstract: A pixel circuit comprises a light emission element; a driving transistor including a first electrode connected to the first node, a second electrode connected to a second node, and a gate electrode connected to a third node; a first transistor including a first electrode receiving a third voltage, a second electrode connected to the first node, and a gate electrode receiving a second light emission control signal; a first transistor including a first electrode connected to a first line transferring a first power voltage, a second electrode connected to the second node, and a gate electrode receiving a first light emission control signal; a first storage capacitor connected between the third node and a fourth node; and a switching transistor including a first electrode connected to a data line, a second electrode connected to the fourth node, and a gate electrode receiving a scan signal.

    ORGANIC LIGHT EMITTING DISPLAY AND METHOD FOR DRIVING THE SAME
    6.
    发明申请
    ORGANIC LIGHT EMITTING DISPLAY AND METHOD FOR DRIVING THE SAME 有权
    有机发光显示器及其驱动方法

    公开(公告)号：US20150243219A1

    公开(公告)日：2015-08-27

    申请号：US14618973

    申请日：2015-02-10

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Hai-Jung In ,  Yong-Sung Park ,  Il-Hun Jeong

    IPC: G09G3/32

    CPC classification number: G09G3/3258 ,  G09G3/2022 ,  G09G3/2081 ,  G09G3/3233 ,  G09G3/3291 ,  G09G2300/0842 ,  G09G2300/0876 ,  G09G2330/02

    Abstract: An organic light emitting display includes: a display panel including pixels at crossing regions of data lines and scan lines; a scan driver configured to divide one frame into a plurality of sub-fields, to divide each of the subfields into p (p is a positive integer of 2 or more) periods, and to supply scan signals to the scan lines; and a data driver configured to supply data voltages to the data lines concurrently with supply of respective scan signals, wherein a gray scale voltage from among (P+1) gray scale voltages is supplied as at least one of the data voltages.

    Abstract translation: 有机发光显示器包括：显示面板，包括在数据线和扫描线的交叉区域处的像素; 扫描驱动器，其被配置为将一个帧划分成多个子场，以将每个子场划分为p（p是2或更大的正整数）周期，并将扫描信号提供给扫描线; 以及数据驱动器，被配置为在提供各个扫描信号的同时向数据线提供数据电压，其中从（P + 1）灰度级电压中提供灰度电压作为数据电压中的至少一个。

    Pixel circuit and method of driving the same
    7.
    发明授权
    Pixel circuit and method of driving the same 有权

    公开(公告)号：US10977991B2

    公开(公告)日：2021-04-13

    申请号：US16589274

    申请日：2019-10-01

    Applicant: Samsung Display Co., Ltd.

    Inventor： Il-Hun Jeong

    IPC: G09G3/3233 ,  G09G3/3266 ,  G09G3/3291

    Abstract: A pixel circuit comprises a light emission element; a driving transistor including a first electrode connected to the first node, a second electrode connected to a second node, and a gate electrode connected to a third node; a first transistor including a first electrode receiving a third voltage, a second electrode connected to the first node, and a gate electrode receiving a second light emission control signal; a first transistor including a first electrode connected to a first line transferring a first power voltage, a second electrode connected to the second node, and a gate electrode receiving a first light emission control signal; a first storage capacitor connected between the third node and a fourth node; and a switching transistor including a first electrode connected to a data line, a second electrode connected to the fourth node, and a gate electrode receiving a scan signal.

    Pixel circuit and method of driving the same
    8.
    发明授权
    Pixel circuit and method of driving the same 有权

    公开(公告)号：US10467962B2

    公开(公告)日：2019-11-05

    申请号：US16254318

    申请日：2019-01-22

    Applicant: Samsung Display Co., Ltd.

    Inventor： Il-Hun Jeong

    IPC: G06F3/041 ,  G09G3/36 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3291

    Abstract: A pixel circuit comprises a light emission element; a driving transistor including a first electrode connected to the first node, a second electrode connected to a second node, and a gate electrode connected to a third node; a first transistor including a first electrode receiving a third voltage, a second electrode connected to the first node, and a gate electrode receiving a second light emission control signal; a first transistor including a first electrode connected to a first line transferring a first power voltage, a second electrode connected to the second node, and a gate electrode receiving a first light emission control signal; a first storage capacitor connected between the third node and a fourth node; and a switching transistor including a first electrode connected to a data line, a second electrode connected to the fourth node, and a gate electrode receiving a scan signal.

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