Pixel, display device including pixel, and method of manufacturing display device

    公开(公告)号:US11569273B2

    公开(公告)日:2023-01-31

    申请号:US17447491

    申请日:2021-09-13

    IPC分类号: H01L27/12 H01L25/16

    摘要: A pixel according to an embodiment of the present disclosure includes a circuit element on a base layer, a protective layer on the circuit element, a first electrode and a second electrode opposite each other on the protective layer, a first insulating layer on the first electrode and the second electrode, a light-emitting element on the first insulating layer at an area between the first electrode and the second electrode, a first contact electrode on a first end of the light-emitting element to connect the first end of the light-emitting element to the first electrode, a second contact electrode on a second end of the light-emitting element to connect the second end of the light-emitting element to the second electrode, and a cavity in the protective layer and the first insulating layer below the light-emitting element corresponding to the area between the first electrode and the second electrode.

    Display device
    2.
    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

    IPC分类号: H01L33/38 H01L27/15 H01L33/62

    摘要: 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.

    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

    IPC分类号: H01L33/38 H01L27/15

    CPC分类号: H01L33/387 H01L27/156

    摘要: 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
    4.
    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分类号: H10K59/122 H10K59/124

    摘要: 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
    5.
    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

    IPC分类号: H01L33/38 H01L27/15 H01L33/62

    摘要: 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
    6.
    发明授权

    公开(公告)号:US11424314B2

    公开(公告)日:2022-08-23

    申请号:US17036838

    申请日:2020-09-29

    IPC分类号: H01L27/32 H01L51/52

    摘要: A display device includes a base layer including an active area and a peripheral area outside the active area, a circuit element layer including a pixel in the active area of the base layer, a light emitting element layer including light emitting elements on the circuit element layer, a thin film encapsulation layer covering the light emitting element layer and including an organic layer, and an input detection layer on the thin film encapsulation layer and including a detection electrode and a detection wire connected to the detection electrode. The circuit element layer includes a connection wire overlapping the detection wire in the peripheral area, and a contact part to connect the detection wire and the connection wire in the peripheral area. The contact part is spaced apart from the organic layer of the thin film encapsulation layer on a plane.