Display device including insulation layer having a plurality of patterns to mitigate disconnection of lights emitting elements

    公开(公告)号:US12159957B2

    公开(公告)日:2024-12-03

    申请号:US17533835

    申请日:2021-11-23

    Abstract: A display device includes an electrode layer including a first electrode; and a second electrode; light emitting elements on the electrode layer; an insulating layer on the light emitting elements and including openings exposing at least one of ends of a part of the light emitting elements; and a contact electrode corresponding to each of the openings, the insulating layer includes a fixing pattern between the first electrode and the second electrode; a division pattern intersecting the fixing pattern; a connection pattern connecting a first end of the fixing pattern to a first end of the division pattern; and a base portion surrounding the fixing pattern, the division pattern, and the connection pattern, the base portion is connected to a second end of the fixing pattern and a second end of the division pattern and spaced apart from the connection pattern.

    Pixel and display device including the same

    公开(公告)号:US11996497B2

    公开(公告)日:2024-05-28

    申请号:US17156253

    申请日:2021-01-22

    CPC classification number: H01L33/387 H01L27/156

    Abstract: A pixel includes a first electrode; a second electrode surrounding at least a portion of the first electrode; a plurality of light emitting elements between the first electrode and the second electrode; a first contact electrode on the first electrode, the first contact electrode electrically connecting the first electrode and the plurality of light emitting elements; a second contact electrode on the second electrode, the second contact electrode electrically connecting the second electrode and the plurality of light emitting elements; and an intermediate electrode on the first electrode and the second electrode, the intermediate electrode comprising a first area overlapping the first electrode and a second area overlapping the second electrode, the first area and the second area being integrally connected to each other.

    Display device
    13.
    发明授权

    公开(公告)号:US11785809B2

    公开(公告)日:2023-10-10

    申请号:US17411612

    申请日:2021-08-25

    CPC classification number: H10K59/122 H10K59/124

    Abstract: A display device includes an emission area and a sub-region spaced apart from the emission area in a first direction, electrodes extending in the first direction, disposed across the emission area and the sub-region, and spaced apart from each other in a second direction, a first bank surrounding the emission area and the sub-region, and light emitting elements disposed on the electrodes spaced apart in the second direction in the emission area. The first bank includes trench portions in which a top surface of the first bank is partially depressed. The trench portions are disposed between the emission area and the sub-region.

    Display device
    14.
    发明授权

    公开(公告)号:US12113153B2

    公开(公告)日:2024-10-08

    申请号:US17674500

    申请日:2022-02-17

    CPC classification number: H01L33/382 H01L27/156 H01L33/62

    Abstract: A display device includes an electrode layer including a first electrode and a second electrode that are spaced apart from each other and disposed on a substrate, a light emitting element between the first electrode and the second electrode, and a capping layer disposed on the light emitting element and including at least one low refractive layer and at least one high refractive layer that are alternately disposed. The capping layer includes a first low refractive layer on the electrode layer and the light emitting element, a first high refractive layer on the first low refractive layer, and a second low refractive layer on the first high refractive layer. A thickness of the first low refractive layer is greater than a thickness of the second low refractive layer.

    Display device
    17.
    发明授权

    公开(公告)号:US12183855B2

    公开(公告)日:2024-12-31

    申请号:US18440459

    申请日:2024-02-13

    Abstract: A display device includes a substrate, a first electrode and a second electrode which are spaced apart from each other in a second direction, light-emitting elements spaced apart from each other in the first direction, a first contact electrode electrically contacting the light-emitting elements, and a second contact electrode electrically contacting the light-emitting elements. The first contact electrode electrically contacts the first electrode through a first contact portion disposed on the first electrode, the second contact electrode electrically contacts the second electrode through a second contact portion disposed on the second electrode, the first contact portion is disposed on an end portion in the first direction of the first contact electrode, and the second contact portion is disposed on an end portion in the first direction of the second contact electrode.

    Display device
    19.
    发明授权

    公开(公告)号:US11916171B2

    公开(公告)日:2024-02-27

    申请号:US17327192

    申请日:2021-05-21

    CPC classification number: H01L33/387 H01L27/156 H01L33/62

    Abstract: A display device includes a substrate, a first electrode and a second electrode which are spaced apart from each other in a second direction, light-emitting elements spaced apart from each other in the first direction, a first contact electrode electrically contacting the light-emitting elements, and a second contact electrode electrically contacting the light-emitting elements. The first contact electrode electrically contacts the first electrode through a first contact portion disposed on the first electrode, the second contact electrode electrically contacts the second electrode through a second contact portion disposed on the second electrode, the first contact portion is disposed on an end portion in the first direction of the first contact electrode, and the second contact portion is disposed on an end portion in the first direction of the second contact electrode.

    DISPLAY DEVICE
    20.
    发明申请

    公开(公告)号:US20220223761A1

    公开(公告)日:2022-07-14

    申请号:US17559893

    申请日:2021-12-22

    Abstract: A includes an emission area and a subsidiary area spaced from the emission area in a first direction, a first electrode in the emission area and extending in the first direction, and a second electrode spaced from the first electrode in a second direction, the second electrode extending in the first direction, a first insulating layer on the first electrode and the second electrode, a plurality of light-emitting elements on the first insulating layer and having at least one end on the first electrode or the second electrode, a second insulating layer on the plurality of light-emitting elements and including a first pattern portion extending in the first direction and a first base portion in the subsidiary area, and a first connection electrode on the first electrode and in contact with the light-emitting elements, and a second connection electrode on the second electrode and in contact with the light-emitting elements.

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