Display device capable of inspecting misalignment of layers

    公开(公告)号:US11922841B2

    公开(公告)日:2024-03-05

    申请号:US17950174

    申请日:2022-09-22

    CPC classification number: G09G3/006 H01L27/124 G09G2300/0426 G09G2330/12

    Abstract: The present disclosure relates to a display device, and the display device according to an embodiment includes: a substrate including a display area and a peripheral area; a plurality of light-emitting elements positioned in a display area; a plurality of pixel circuits connected to a plurality of light-emitting elements, respectively; a sensor positioned on the peripheral area of the substrate; a leakage current detecting circuit connected to the sensor; and a light emitting wiring connected to the leakage current detecting circuit and connected to at least one of the plurality of light-emitting elements, wherein the sensor includes a first sensor and the first sensor includes a first sensing transistor, and a first conductive pattern spaced apart from the channel of the first sensing transistor, and the first conductive pattern is positioned in the same layer as at least one of a plurality of layers configuring the transistor.

    Display device
    3.
    发明授权

    公开(公告)号:US11848330B2

    公开(公告)日:2023-12-19

    申请号:US16875770

    申请日:2020-05-15

    Abstract: A display device is provided. The display device comprises a substrate, a first buffer layer on the substrate, a first semiconductor layer on the first buffer layer and including a first active layer, a first gate insulating layer on the first semiconductor layer and the first buffer layer and covering the first active layer, a first conductive layer on the first gate insulating layer and including a first gate electrode, a second conductive layer on the first conductive layer and including a first source/drain electrode, a first interlayer insulating layer on the first conductive layer, a second semiconductor layer on the first interlayer insulating layer and including a second active layer, a second gate insulating layer on the second semiconductor layer and covering the second active layer, and a third conductive layer on the second gate insulating layer and including a second gate electrode and a second source/drain electrode, wherein the first gate insulating layer and the second gate insulating layer include different insulating materials.

    Display device and manufacturing method thereof

    公开(公告)号:US12159011B2

    公开(公告)日:2024-12-03

    申请号:US18104314

    申请日:2023-02-01

    Abstract: Provided is a display device comprising a display area including a plurality of pixels and a pad area disposed outside the display area, wherein the pad area includes a plurality of pads, and anchor structures positioned between two adjacent pads among the plurality of pads, the pad area includes a substrate, and at least one insulation layer that is positioned on the substrate and includes a first opening positioned between the two adjacent pads when viewed on the cross-section, and the anchor structure includes a first insulation layer that is positioned in the first opening, and does not overlap the pad.

    Display device, apparatus and method for testing display device

    公开(公告)号:US10971560B2

    公开(公告)日:2021-04-06

    申请号:US16404021

    申请日:2019-05-06

    Abstract: Disclosed herein are a display device, an apparatus for testing a display device, and a method for testing a display device. A display device includes a first substrate having a display area and a non-display area defined thereon, the non-display area being on an outer side of the display area. The non-display area may include a plurality of test pads and a first dummy thin-film transistor electrically connected to the test pads. The first dummy thin-film transistor includes a dummy gate electrode, and a dummy source electrode and a dummy drain electrode insulated from the gate electrode and spaced apart from each other. A bending area is defined on the first substrate that at least partially traverses the display area and the non-display area, the bending area overlaps the first dummy thin-film transistor.

    Display device and method of driving the same

    公开(公告)号:US10804329B2

    公开(公告)日:2020-10-13

    申请号:US16287389

    申请日:2019-02-27

    Abstract: A display device may include a first pixel including a first transistor, and a first light emitting element on and electrically connected to the first transistor, a second pixel adjacent the first pixel, the second pixel including a second transistor, and a second light emitting element on and electrically connected to the second transistor, and a reflective member at a layer that is above the first pixel and the second pixel, the reflective member being configured to reflect a light emitted from the second light emitting element to the first transistor.

    Display device and method of providing the same

    公开(公告)号:US12268060B2

    公开(公告)日:2025-04-01

    申请号:US17400274

    申请日:2021-08-12

    Abstract: A display device includes a substrate, a first semiconductor layer on the substrate and including an oxide semiconductor, a first gate insulating film on the first semiconductor layer, a first conductive layer on the first gate insulating film, a first interlayer insulating film on the first conductive layer, and a second conductive layer on the first interlayer insulating film and connected to the first semiconductor layer through a through-hole. The through-hole includes a first through-hole passing through the first interlayer insulating film, and a second through-hole overlapping the first through-hole and passing through the first semiconductor layer. The second conductive layer is in contact with a side surface of the first semiconductor layer exposed at the second through-hole.

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