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    Stage and scan driver using the same
    1.
    发明授权
    Stage and scan driver using the same 有权

    公开(公告)号：US12236894B2

    公开(公告)日：2025-02-25

    申请号：US18453290

    申请日：2023-08-21

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Chul Kyu Kang ,  Yong Sung Park ,  Jin Woo Park ,  Dong Sun Lee

    IPC: G09G3/3266 ,  G09G3/3291 ,  G11C19/28

    Abstract: A circuit stage including a first transistor including a first electrode and a gate electrode, the first electrode being coupled to a first input terminal and the gate electrode being coupled to a second input terminal configured to receive a first clock signal, an output circuit coupled to the second input terminal and a second power input terminal, an input circuit coupled to a second electrode of the first transistor and to a third input terminal, the third input terminal being configured to receive a first control clock signal, the input circuit being configured to control voltages of the second node and a third node, a first driving circuit coupled to a first power input terminal and to a fourth input terminal configured to receive a second control clock signal, and a second driving circuit coupled to the fourth input terminal and the third node.

    Organic light emitting display device
    2.
    发明授权
    Organic light emitting display device 有权

    公开(公告)号：US10909918B2

    公开(公告)日：2021-02-02

    申请号：US15839455

    申请日：2017-12-12

    Applicant: Samsung Display Co., Ltd.

    Inventor： Yong Jae Kim ,  Jin Jeon ,  Chul Kyu Kang

    IPC: G09G3/3233 ,  H01L51/52 ,  H01L27/32 ,  G09G3/3266

    Abstract: An organic light emitting display device driven at a first driving frequency or a second driving frequency lower than the first driving frequency includes pixels coupled to first scan lines, second scan lines, and data lines, a first scan driver configured to supply scan signals to the first scan lines during a first period and a second period in one frame period, when the organic light emitting display device is driven at the second driving frequency, a second scan driver configured to supply scan signals to the second scan lines during the first period, when the organic light emitting display device is driven at the second driving frequency, and a data driver configured to supply a data signal to the data lines during the first period.

    Stage and scan driver using the same
    4.
    发明授权
    Stage and scan driver using the same 有权

    公开(公告)号：US11735117B2

    公开(公告)日：2023-08-22

    申请号：US15979099

    申请日：2018-05-14

    Applicant: Samsung Display Co., Ltd.

    Inventor： Chul Kyu Kang ,  Yong Sung Park ,  Jin Woo Park ,  Dong Sun Lee

    IPC: G09G3/3266 ,  G09G3/3291 ,  G11C19/28

    CPC classification number: G09G3/3266 ,  G09G3/3291 ,  G11C19/28 ,  G09G2310/0202 ,  G09G2310/0286

    Abstract: A circuit stage including a first transistor including a first electrode and a gate electrode, the first electrode being coupled to a first input terminal and the gate electrode being coupled to a second input terminal configured to receive a first clock signal, an output circuit coupled to the second input terminal and a second power input terminal, an input circuit coupled to a second electrode of the first transistor and to a third input terminal, the third input terminal being configured to receive a first control clock signal, the input circuit being configured to control voltages of the second node and a third node, a first driving circuit coupled to a first power input terminal and to a fourth input terminal configured to receive a second control clock signal, and a second driving circuit coupled to the fourth input terminal and the third node.

    Stage for a display device and scan driver having the same
    5.
    发明授权
    Stage for a display device and scan driver having the same 有权

    公开(公告)号：US11195469B2

    公开(公告)日：2021-12-07

    申请号：US16708344

    申请日：2019-12-09

    Applicant: Samsung Display Co., Ltd.

    Inventor： Chul Kyu Kang ,  Sung Hwan Kim ,  Soo Hee Oh ,  Dong Sun Lee ,  Sang Moo Choi

    IPC: G09G3/30 ,  G09G3/36 ,  G09G3/3266 ,  G09G3/3291 ,  G09G3/3233

    Abstract: A stage of a scan driver for a display device, the stage includes: an output unit to output to an output terminal either a signal supplied to a first clock terminal corresponding to voltage of a first driving node or a voltage of a second power source corresponding to voltage of a second driving node; an input unit to control the voltage of the first driving node corresponding to signals supplied to a first input terminal, and the input unit to control the voltage of the second driving node corresponding to signals supplied to a second input terminal and a second clock terminal; a first signal processor including a second capacitor coupled between the second driving node and a second node, the first signal processor to control the voltage of the second driving node corresponding to signals supplied to a third clock terminal and a fourth clock terminal, the first signal processor to control a potential difference between both ends of the second capacitor corresponding to the signal supplied to the fourth clock terminal; and a second signal processor to control the voltage of the first driving node corresponding to the signal supplied to the first clock terminal.

    Pixel circuit
    6.
    发明授权
    Pixel circuit 有权

    公开(公告)号：US10770004B2

    公开(公告)日：2020-09-08

    申请号：US16563636

    申请日：2019-09-06

    Applicant: Samsung Display Co., Ltd.

    Inventor： Sung Hwan Kim ,  Chul Kyu Kang ,  Soo Hee Oh ,  Dong Sun Lee

    IPC: G09G3/30 ,  G09G3/32 ,  G09G3/3266 ,  G09G3/3291

    Abstract: A pixel circuit, includes: an organic light-emitting diode; a first transistor coupled between a second node and a third node, wherein a gate electrode of the first transistor is coupled to a first node; a second transistor coupled between a data line and the second node, wherein a gate electrode of the second transistor is coupled to a first scan line; a fourth transistor coupled between the first node and an initialization power source, wherein a gate electrode of the fourth transistor is coupled to a second scan line; a fifth transistor coupled between a first power source and the second node, wherein a gate electrode of the fifth transistor is coupled to a first emission line; and a sixth transistor and an eighth transistor coupled in series between the third node and the organic light-emitting diode.

    Emissive display device
    8.
    发明授权
    Emissive display device 有权

    公开(公告)号：US12080223B2

    公开(公告)日：2024-09-03

    申请号：US18170508

    申请日：2023-02-16

    Applicant: Samsung Display Co., LTD.

    Inventor： Minku Lee ,  Ji-Hyun Ka ,  Chul Kyu Kang ,  Seunghee Lee ,  Hai-Jung In ,  Hyeongjun Jin ,  Hyun Ji Cha

    IPC: G09G3/32

    CPC classification number: G09G3/32 ,  G09G2300/0842 ,  G09G2310/0275

    Abstract: An emissive display device includes: a light emitting diode; an n-type driving transistor comprising a first driving gate electrode, a first electrode receiving a driving voltage, a second electrode transferring an output current to the anode, and a second driving gate electrode; a second transistor connected to a data line; a third transistor configured to connect the first electrode and the first driving gate electrode of the driving transistor; a storage capacitor comprising a first storage electrode and a second storage electrode connected to the first driving gate electrode; a ninth transistor transferring an overlapping electrode voltage to the second driving gate electrode; an overlapping electrode voltage line crossing the data line and receiving the overlapping electrode voltage; and a shielding electrode at an intersection of the data line and the overlapping electrode voltage line and between the data line and the overlapping electrode voltage line.

    Scan driver
    9.
    发明授权
    Scan driver 有权

    公开(公告)号：US11967269B2

    公开(公告)日：2024-04-23

    申请号：US17938031

    申请日：2022-10-04

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Chul Kyu Kang ,  Sung Hwan Kim ,  Soo Hee Oh ,  Dong Sun Lee ,  Sang Moo Choi

    IPC: G06F3/01 ,  G09G3/32

    CPC classification number: G09G3/32 ,  G09G2310/0267 ,  G09G2310/08

    Abstract: A scan driver includes: a first transistor having a first electrode coupled to an output scan line, a second electrode coupled to a first power line, and a gate electrode coupled to a first node; a second transistor having a first electrode coupled to a first clock line, a second electrode coupled to the output scan line, and a gate electrode coupled to a second node; a third transistor having a first electrode coupled to the first node, a second electrode coupled to a first input scan line, and a gate electrode coupled to a second clock line; and a fourth transistor having a first electrode coupled to the second node and a second electrode and a gate electrode, which are coupled to a second input scan line, wherein the first input scan line and the second input scan line are different from each other.

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