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    Pixel unit, display substrate and display panel with shielding auxiliary electrode
    183.
    发明授权
    Pixel unit, display substrate and display panel with shielding auxiliary electrode 有权

    公开(公告)号：US11688830B2

    公开(公告)日：2023-06-27

    申请号：US15779278

    申请日：2017-09-21

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Hongfei Cheng ,  Yuxin Zhang

    IPC: H01L33/38 ,  H01L33/40 ,  H01L33/62 ,  G09G3/32 ,  H01L25/075

    CPC classification number: H01L33/382 ,  G09G3/32 ,  H01L25/0753 ,  H01L33/40 ,  H01L33/62 ,  G09G2300/0426

    Abstract: The present disclosure provides a display substrate which includes: a plurality of pixel units, at least one of which includes a light emitting diode and a drive circuit. The light emitting diode includes a cathode; the display substrate further includes an auxiliary electrode layer including at least one auxiliary electrode. The auxiliary electrode is disposed in at least one of the pixel units. The auxiliary electrode is electrically connected with the cathode of the light emitting diode which is located in the same pixel unit as the pixel unit that the auxiliary electrode is located in, and the auxiliary electrode covers at least a portion of the drive circuit in the pixel unit that the auxiliary electrode is located in. The auxiliary electrode is made of an opaque conductive material, so as to block light irradiated at the portion of the drive circuit that is covered by the auxiliary electrode.

    Array substrate and detection method therefor, display panel and display device
    185.
    发明授权
    Array substrate and detection method therefor, display panel and display device 有权

    公开(公告)号：US11569329B2

    公开(公告)日：2023-01-31

    申请号：US16621416

    申请日：2019-05-30

    Applicant: Beijing BOE Technology Development Co., Ltd. ,  BOE Technology Group Co., Ltd.

    Inventor： Hongfei Cheng ,  Xueguang Hao

    IPC: G09G3/00 ,  H01L27/32

    Abstract: The present disclosure discloses an array substrate and a detection method therefor, a display panel, and a display device. The array substrate includes: a base substrate, wherein the base substrate has a display area and a peripheral area surrounding the display area; a plurality of sub-pixel units, wherein the plurality of sub-pixel units are arrayed in the display area; a plurality of data lines, wherein the data lines are electrically connected to the sub-pixel units in corresponding columns; at least one first switching transistor, wherein the first switching transistor is located at a first side of the peripheral area, a drain of the first switching transistor is electrically connected to one of the data lines, and the data line connected to the drain of the first switching transistor is a first data line; a gate control line; and at least one detection line.

    Display panel and display device
    186.
    发明授权
    Display panel and display device 有权

    公开(公告)号：US11531234B2

    公开(公告)日：2022-12-20

    申请号：US16337102

    申请日：2018-09-19

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Hui Li ,  Hongfei Cheng ,  Pan Li

    IPC: G02F1/1339

    Abstract: The present disclosure provides a display panel and a display device. The display panel includes: a first substrate; a second substrate in a superposed arrangement with the first substrate; and an auxiliary retaining wall located between the first and second substrates in an edge area of a facing portion of the first and second substrates. The auxiliary retaining wall includes a first retaining wall having a first sub-portion and a second sub-portion disposed opposite to each other, the second substrate comprises a bonding area outside of and adjoined by the facing portion, and the first and second sub-portions are located in areas corresponding to two opposite edges adjacent to an edge where the bonding area is located, respectively.

    Array substrate and display device
    187.
    发明授权
    Array substrate and display device 有权

    公开(公告)号：US11513407B2

    公开(公告)日：2022-11-29

    申请号：US16492294

    申请日：2019-01-21

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Jianbo Xian ,  Hongfei Cheng ,  Jian Xu ,  Yong Qiao

    IPC: G02F1/1362 ,  G02F1/1335 ,  G02F1/1339 ,  G02F1/1343 ,  G02F1/1368

    Abstract: An array substrate and a display device are provided, and the array substrate includes a base substrate and includes a pixel array and an auxiliary conductive structure which are on the base substrate; the pixel array includes a plurality of pixel units arranged in an array and a plurality of pixel electrodes, and each of the plurality of pixel units includes at least one of the plurality of pixel electrodes; the auxiliary conductive structure surrounds at least one of the plurality of pixel electrodes and is insulated from the plurality of pixel electrodes; a resistivity of a material of the auxiliary conductive structure is less than or equal to a resistivity of a material of the at least one of the plurality of the pixel electrodes.

    Thin-film transistor, array substrate, display panel and display device
    188.
    发明授权
    Thin-film transistor, array substrate, display panel and display device 有权

    公开(公告)号：US11474386B2

    公开(公告)日：2022-10-18

    申请号：US17197389

    申请日：2021-03-10

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Pan Li ,  Hongfei Cheng ,  Yongda Ma ,  Xueguang Hao ,  Jianbo Xian

    IPC: G02F1/1333 ,  G02F1/1368 ,  H01L27/12 ,  H01L29/786

    Abstract: Embodiments of the disclosure provide a thin-film transistor, an array substrate, a display panel and a display device. The thin-film transistor includes a current enhancement portion, and the current enhancement portion is provided between a drain and a source. The current enhancement portion may include at least one protrusion portion, and the protrusion portion is provided on the drain and/or the source and faces a channel. The current enhancement portion may include an island portion provided between the drain and the source, and the island portion is separate from the drain and the source. The island portion may include at least one protrusion end, and the at least one protrusion end faces the drain and/or the source.

    Array substrate, display panel and display device
    189.
    发明授权
    Array substrate, display panel and display device 有权

    公开(公告)号：US11327378B2

    公开(公告)日：2022-05-10

    申请号：US16335066

    申请日：2018-08-21

    Applicant: BOE Technology Group Co., Ltd.

    Inventor： Hongfei Cheng ,  Pan Li

    IPC: G02F1/1362 ,  G02F1/1343 ,  G02F1/136

    Abstract: An array substrate includes a base substrate, a plurality of gate lines extending in a row direction on the base substrate, a plurality of data lines extending in a column direction intersecting the row direction on the base substrate, and a plurality of pixel groups in rows and columns, each including two sub-pixels side by side in the row direction. Each of the rows of pixel groups is connected to two respective ones of the gate lines, and the two sub-pixels of each pixel group in the row of pixel groups are respectively connected to different ones of the two respective gate lines. The data lines and the columns of pixel groups are alternately arranged in the row direction, and the two sub-pixels of each of the plurality of pixel groups are connected to a corresponding one of the plurality of data lines directly adjacent to the pixel group.

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