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    Color film substrate, manufacturing method thereof, display panel and display device
    81.
    发明授权
    Color film substrate, manufacturing method thereof, display panel and display device 有权

    公开(公告)号：US11036074B2

    公开(公告)日：2021-06-15

    申请号：US16486111

    申请日：2018-12-21

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Hui Li ,  Xinyin Wu ,  Yong Qiao ,  Yongda Ma

    IPC: G02F1/1335

    Abstract: A color film substrate having a plurality of pixel areas includes a base substrate, a color resistance, a black matrix and protruding structures. The color resistance layer is arranged on the base substrate and including a plurality of color resistances arranged in an array. The black matrix is arranged between any adjacent color resistances. The protruding structure is arranged on at least a portion of the black matrix and surrounding at least one of the color resistances. Wherein a surface of the protruding structure away from the base substrate does not exceed a surface of the color resistance away from the base substrate.

    Test device and test method
    82.
    发明授权
    Test device and test method 有权

    公开(公告)号：US10991291B2

    公开(公告)日：2021-04-27

    申请号：US16338617

    申请日：2018-11-02

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Xueguang Hao ,  Yong Qiao ,  Xinyin Wu

    IPC: G09G3/20 ,  G01R31/26

    Abstract: The present disclosure provides a test device and a test method. The test device includes a first circuit, a second circuit and a third circuit. The first circuit drives a first pixel to emit light by using a first set of test signals according to the control of a first switch signal and a second switch signal, the second circuit drives a second pixel to emit light by using the first set of test signals according to the control of the first switch signal and the second switch signal, and the third circuit drives a third pixel to emit light by using a second set of test signals according to the control of the first switch signal or the second switch signal, wherein the first pixel, the second pixel and the third pixel are mutually different.

    Protective circuit, array substrate and display panel
    85.
    发明授权
    Protective circuit, array substrate and display panel 有权

    公开(公告)号：US10658352B2

    公开(公告)日：2020-05-19

    申请号：US16072863

    申请日：2017-11-23

    Applicant: BOE Technology Group Co., Ltd.

    Inventor： Xueguang Hao ,  Yong Qiao ,  Xinyin Wu

    IPC: G06F3/038 ,  G09G5/00 ,  H01L27/02 ,  G02F1/1362 ,  G02F1/1368 ,  G09G3/36 ,  H01L27/12

    Abstract: There is provided a protective circuit, an array substrate and a display panel. The protective circuit includes: a control sub-circuit, having a first end electrically connected to a voltage input terminal and a second end configured to output a common voltage signal supplied by the voltage input terminal; and a discharge sub-circuit, having a first end electrically connected to the second end of the control sub-circuit and a second end electrically connected to at least one data line. The discharge sub-circuit releases electric charges on the at least one data line under the control of the common voltage signal supplied from the control sub-circuit.

    Display panel and display device
    89.
    发明授权
    Display panel and display device 有权

    公开(公告)号：US10312262B2

    公开(公告)日：2019-06-04

    申请号：US15325555

    申请日：2016-02-16

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Yongda Ma ,  Xinyin Wu ,  Jianbo Xian

    IPC: H01L27/12 ,  G02F1/1335

    Abstract: Disclosed are a display panel and a display device. The display panel includes: a first substrate and a second substrate disposed as opposed to each other. The first substrate includes gate lines (1) and data lines (2), and pixel units (6) defined by the gate lines (1) and the data lines (2). The second substrate includes a black matrix (4), the black matrix (4) having a plurality of apertures (7) configured as corresponding to the pixel units (6). A orthographic projection of at least one side of at least a part of the plurality of apertures in a plane of the first substrate is at least partially located outside the pixel units (6).

    Quantum dot electroluminescent device and display apparatus
    90.
    发明授权
    Quantum dot electroluminescent device and display apparatus 有权

    公开(公告)号：US10236462B2

    公开(公告)日：2019-03-19

    申请号：US15535880

    申请日：2016-07-13

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Xueguang Hao ,  Hongfei Cheng ,  Yong Qiao ,  Xinyin Wu

    IPC: H01L33/06 ,  H01L51/50 ,  H01L51/56 ,  H01L27/32

    Abstract: A quantum dot electroluminescent device and a display apparatus are provided. The quantum dot electroluminescent device includes: a first electrode, an electron transport layer, a quantum dot luminescent layer, a hole transport layer and a second electrode, wherein the quantum dot luminescent layer is disposed between the electron transport layer and the hole transport layer; the quantum dot luminescent layer includes a base material layer and a quantum dot luminescent material which is dispersed in the base material layer; a highest occupied molecular orbital energy level of the base material layer is between a highest occupied molecular orbital energy level of the hole transport layer and a highest occupied molecular orbital energy level of the quantum dot luminescent material.

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