PIXEL CIRCUIT AND DISPLAY APPARATUS HAVING THE SAME

    公开(公告)号:US20230099387A1

    公开(公告)日:2023-03-30

    申请号:US17889303

    申请日:2022-08-16

    Abstract: A pixel circuit includes a light emitting element, a driving switching element, a storage capacitor, a data voltage applying switching element and a first leakage compensation switching element. The driving switching element is configured to apply a driving current to the light emitting element. The storage capacitor is connected to a control electrode of the driving switching element. The data voltage applying switching element is configured to apply a data voltage to the storage capacitor. The first leakage compensation switching element is disposed between the storage capacitor and the data voltage applying switching element.

    DISPLAY APPARATUS
    32.
    发明申请

    公开(公告)号:US20220140063A1

    公开(公告)日:2022-05-05

    申请号:US17572922

    申请日:2022-01-11

    Abstract: A display apparatus includes a substrate; a plurality of display units on the substrate, each including a thin film transistor including at least one inorganic layer, a passivation layer on the thin film transistor, and a display device electrically connected to the thin film transistor; and a plurality of encapsulation layers respectively encapsulating the plurality of display units. The substrate includes a plurality of islands spaced apart, a plurality of connection units connecting the plurality of islands, and a plurality of through holes penetrating through the substrate between the plurality of connection units. The plurality of display units are on the plurality of islands, respectively. The at least one inorganic layer and the passivation layer extend on the plurality of connection units. The passivation layer includes a trench exposing the at least one inorganic layer. The encapsulation layer contacts the at least one inorganic layer exposed via the trench.

    Display apparatus
    34.
    发明授权

    公开(公告)号:US11244997B2

    公开(公告)日:2022-02-08

    申请号:US16924432

    申请日:2020-07-09

    Abstract: A display apparatus includes a base substrate, a plurality of data lines disposed in a display area on the base substrate, wherein at least a portion of the data lines extend to a first peripheral area adjacent to the display area, a plurality of detour lines disposed in the display area, wherein at least a portion of the detour lines extend to the first peripheral area, and a data driver electrically connected to the data lines and the detour lines, wherein at least one of the data lines electrically contacts at least one of the detour lines in the first peripheral area.

    Flexible display
    35.
    发明授权

    公开(公告)号:US10964770B2

    公开(公告)日:2021-03-30

    申请号:US16384340

    申请日:2019-04-15

    Abstract: A flexible display is disclosed. In one aspect, the display includes at least one first pattern including a plurality of display elements configured to display an image and extending in a first direction. The display device also includes at least one second pattern extending in a second direction and overlapping at least a portion of the first pattern. The second pattern has a curved shape in the first direction and the second direction crosses the first direction. The first and second patterns form at least one cavity region defining a space therebetween and the first and second patterns form a mesh structure.

    Pixel circuit and display device having the same

    公开(公告)号:US12300156B2

    公开(公告)日:2025-05-13

    申请号:US18354419

    申请日:2023-07-18

    Abstract: A display device includes a substrate, a first active pattern above the substrate, a first gate layer above the first active pattern, and including a first capacitor electrode, a second gate layer above the first gate layer, and including a second capacitor electrode overlapping the first capacitor electrode, a second active pattern above the second gate layer, and including an extension portion above the second capacitor electrode, and a connection electrode above the second active pattern, and connecting the extension portion and the first capacitor electrode.

    Pixel and a display device including the same

    公开(公告)号:US12207499B2

    公开(公告)日:2025-01-21

    申请号:US17747060

    申请日:2022-05-18

    Abstract: A pixel including: a light emitting diode; a first capacitor connected between first and second nodes; a second capacitor connected between the second node and a third node; a first transistor including a first electrode connected to the second node, a second electrode connected to an anode of the light emitting diode, and a gate electrode connected to the first node; a second transistor including a first electrode connected to the third node, a second electrode connected to a reference voltage line, and a gate electrode connected to a first scan line; a third transistor including a first electrode electrically connected to the first node, a second electrode connected to the reference voltage line, and a gate electrode connected to a second scan line; and a fourth transistor including a first electrode connected to a data line, a second electrode connected to the third node, and a gate electrode connected to a third scan line.

    Display apparatus and method of driving the same

    公开(公告)号:US12027110B2

    公开(公告)日:2024-07-02

    申请号:US18363556

    申请日:2023-08-01

    Abstract: A display apparatus includes a display panel including a pixel, a gate driver providing a gate signal to the pixel, a data driver providing a data voltage to the pixel and an emission driver providing an emission signal to the pixel. The pixel includes a driving switching element applying a driving current to the light emitting element, a storage capacitor connected to the driving switching element, a bias capacitor connected to the storage capacitor and receiving a bias gate signal, a threshold voltage compensation switching element connected to an electrode of the driving switching element and a light emitting element initialization switching element connected to an electrode of the light emitting element. A control signal applied to an electrode of the threshold voltage compensation switching element and a control signal applied to an electrode of the light emitting element initialization switching element are generated from different signal generators.

    Pixel circuit boosted by a boost capacitor

    公开(公告)号:US11727864B2

    公开(公告)日:2023-08-15

    申请号:US17748521

    申请日:2022-05-19

    CPC classification number: G09G3/32 G09G2300/0842 G09G2310/027

    Abstract: A pixel circuit includes a light emitting element, a write transistor configured to apply a data voltage to an input node in response to a write gate signal, a storage capacitor configured to store the data voltage, a driving transistor configured to apply a driving current to the light emitting element based on the data voltage, a first compensation transistor configured to compensate for a threshold voltage of the driving transistor in response to a compensation gate signal, a first initialization transistor configured to apply a first initialization voltage to a control electrode of the driving transistor in response to an initialization gate signal, and a boost capacitor including a first electrode to which a previous initialization gate signal applied to a previous pixel row is applied and a second electrode connected to the control electrode of the driving transistor.

Patent Agency Ranking