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    PIXEL CIRCUIT, DRIVING METHOD THEREOF, DISPLAY PANEL, AND DISPLAY DEVICE
    71.
    发明申请
    PIXEL CIRCUIT, DRIVING METHOD THEREOF, DISPLAY PANEL, AND DISPLAY DEVICE 有权

    公开(公告)号：US20210166627A1

    公开(公告)日：2021-06-03

    申请号：US15775431

    申请日：2017-11-08

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Li XIAO ,  Xiaochuan CHEN ,  Minghua XUAN ,  Shengji YANG ,  Jie FU ,  Lei WANG ,  Dongni LIU ,  Pengcheng LU ,  Han YUE

    IPC: G09G3/3258 ,  G09G3/3291 ,  G09G3/3266

    Abstract: A pixel circuit includes a light emitting element; a first switch transistor connected in series with the light emitting element between a first supply voltage terminal and a second supply voltage terminal, the first switch transistor including a gate electrode connected to a first node; and a storage circuit coupled to the first node and a reference voltage terminal for receiving a reference voltage, the storage circuit being configured to store the reference voltage in the storage circuit in response to an active signal on a scan line during a write phase, and to supply the stored reference voltage to the first node during a light emission phase in response to an active data signal on a data line to achieve light emission of the light emitting element, the active data signal having a duration indicating a magnitude of image data for the pixel circuit.

    PIXEL CIRCUIT AND DISPLAY DEVICE
    72.
    发明申请
    PIXEL CIRCUIT AND DISPLAY DEVICE 有权

    公开(公告)号：US20210166617A1

    公开(公告)日：2021-06-03

    申请号：US16902128

    申请日：2020-06-15

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Han YUE ,  Can ZHANG

    IPC: G09G3/32

    Abstract: The present disclosure provides a pixel circuit and a display device. The pixel circuit includes a light-emitting element, a first voltage control circuit, a light-emitting control circuit, a second voltage control circuit, a control capacitor circuit and a reference voltage write circuit. The reference voltage write circuit is configured to write a reference voltage to the first electrode of the light-emitting element. The second voltage control circuit is configured to, under control of the first gate drive signal, control the second electrode of the light-emitting element to be coupled with the control node, thereby controlling the light-emitting element to be turned on, so that the control capacitor circuit is charged by the reference voltage, a potential at the control node is changed accordingly, until the light-emitting element is turned off.

    PIXEL CIRCUIT, DRIVING METHOD THEREOF AND DISPLAY DEVICE
    74.
    发明申请
    PIXEL CIRCUIT, DRIVING METHOD THEREOF AND DISPLAY DEVICE 有权

    公开(公告)号：US20210125558A1

    公开(公告)日：2021-04-29

    申请号：US16858170

    申请日：2020-04-24

    Applicant: BOE Technology Group Co., Ltd.

    Inventor： Han YUE ,  Can ZHANG ,  Can WANG ,  Minghua XUAN

    IPC: G09G3/3258 ,  G09G3/3291

    Abstract: The disclosure provides a pixel circuit and a driving method thereof, a display device. The pixel circuit includes: a storage capacitor having a first terminal coupled to a first node and a second terminal coupled to a second node; a light emitting diode having a first electrode coupled to a third node and a second electrode coupled to a second power supply terminal; a data writing circuit configured to write a data voltage into the second node; a compensation circuit configured to write a voltage of the third node, as a compensation voltage, into the first node; a driving transistor having a control terminal coupled to the first node, a first electrode coupled to a first power supply terminal and a second electrode coupled to the light emitting control circuit; a light emitting control circuit configured to control the light emitting diode to emit light.

    DISPLAY SUBSTRATE, DISPLAY PANEL AND DISPLAY DEVICE
    75.
    发明申请
    DISPLAY SUBSTRATE, DISPLAY PANEL AND DISPLAY DEVICE 有权

    公开(公告)号：US20210066403A1

    公开(公告)日：2021-03-04

    申请号：US16964862

    申请日：2019-12-25

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Can WANG ,  Can ZHANG ,  Ming YANG ,  Han YUE ,  Ning CONG ,  Minghua XUAN ,  Xiaochuan CHEN

    IPC: H01L27/32 ,  H01L51/52

    Abstract: A display substrate includes a driving substrate and a stacked structure disposed at a side of the driving substrate. The stacked structure includes a plurality of emission layers and a plurality of carrier transport layers that are stacked in a direction perpendicular to the side of the driving substrate. The stacked structure forms a plurality of light-emitting devices, and each light-emitting device includes at least two emission portions that are respectively located in at least two emission layers. The plurality of light-emitting devices include a plurality of first light-emitting devices and a plurality of second light-emitting devices. Emission portions in each first light-emitting device are separated from each other. At least two emission portions in each second light-emitting device are adjacent to each other, and the at least two adjacent emission portions share at least one carrier transport layer.

    DISPLAY PANEL, METHOD FOR FABRICATING THE SAME, AND DISPLAY DEVICE
    76.
    发明申请
    DISPLAY PANEL, METHOD FOR FABRICATING THE SAME, AND DISPLAY DEVICE 有权

    公开(公告)号：US20210028409A1

    公开(公告)日：2021-01-28

    申请号：US16613836

    申请日：2019-05-08

    Applicant: BOE Technology Group Co,, Ltd.

    Inventor： Liang CHEN ,  Lei WANG ,  Xiaochuan CHEN ,  Minghua XUAN ,  Dongni LIU ,  Li XIAO ,  Ming YANG ,  Han YUE ,  Shengji YANG

    IPC: H01L51/56 ,  G06F3/041 ,  H01L27/32

    Abstract: This disclosure discloses a display panel, a method for fabricating the same, and a display device. The method includes: forming a pattern of an electrode lead line layer on a substrate; forming connection structures on the pattern of the electrode lead line layer; forming a pattern of an intermediate layer including a light-emitting function layer on the connection structures and the light-emitting areas; forming a pattern of cathodes on the pattern of the intermediate layer; and irradiating the connection structures using laser from a side of the substrate so that the material of the connection structures is melt, and forming through-holes at positions on the intermediate layer corresponding to the connection structures so that the melted material is connected with the cathodes through the through-holes.

    PIXEL CIRCUIT AND DISPLAY DEVICE
    77.
    发明申请
    PIXEL CIRCUIT AND DISPLAY DEVICE 审中-公开

    公开(公告)号：US20200302855A1

    公开(公告)日：2020-09-24

    申请号：US16488921

    申请日：2019-01-03

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Han YUE ,  Ming YANG ,  Can WANG ,  Can ZHANG ,  Minghua XUAN ,  Xiaochuan CHEN

    IPC: G09G3/32 ,  G09G3/3258

    Abstract: A pixel circuit includes a first driving circuit, a light-emitting element, a second driving circuit, an energy storage circuit and an input circuit. A first end of the first driving circuit is connected to a power source voltage input end. An anode of the light-emitting element is connected to a second end of the first driving circuit. A first end of the second driving circuit is connected to a first level signal input end, a second end thereof is connected to a cathode of the light-emitting element. The energy storage circuit is connected to control ends of the first driving circuit and the second driving circuit, a second level signal input end. The input circuit is connected to a data signal input end, an input control end, the control end of the first driving circuit and the control end of the second driving circuit.

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