DISPLAY DRIVING CIRCUIT AND DISPLAY DEVICE INCLUDING THE SAME

    公开(公告)号:US20250006137A1

    公开(公告)日:2025-01-02

    申请号:US18741906

    申请日:2024-06-13

    Abstract: A display driving circuit includes a control logic, a source amplifier, and first and second switching elements. The source amplifier includes a first input terminal, a second input terminal, and an output terminal, and amplifies a pixel voltage for displaying an image on a display panel and provides the amplified pixel voltage to a pixel through a data line. The first switching element is connected between the first input terminal and the output terminal, and the second switching element is connected between the first input terminal and the sensing line. The control logic controls the first switching element and the second switching element such that the source amplifier compares a sample voltage that is input to the first input terminal through a sensing line with a comparison voltage input to the second input terminal and outputs comparison data based on the comparison.

    Touch controller, operating method of the same, and touch sensing device including touch controller

    公开(公告)号:US11960680B2

    公开(公告)日:2024-04-16

    申请号:US17978705

    申请日:2022-11-01

    Abstract: A touch controller includes a noise detection circuit that respectively provides a first reference voltage and a second reference voltage for detecting display noise to a first electrode and a second electrode arranged on lines except a line on which touch sensing is performed, among sensing electrodes, the second reference voltage being different from the first reference voltage, a driving signal generation circuit that receive a first noise voltage and a second noise voltage generated based on the first reference voltage and the second reference voltage and alternately selects the first noise voltage and the second noise voltage as a driving signal, and a receiving circuit that receives the driving signal, a touch sensing signal generated based on the driving signal from a third electrode arranged on the line on which touch sensing is performed, among the sensing electrodes, and generates a sensing voltage based on the touch sensing signal.

    Display device including touch screen panel

    公开(公告)号:US11531427B2

    公开(公告)日:2022-12-20

    申请号:US17550112

    申请日:2021-12-14

    Abstract: A display device, including: a touch screen panel including a touch panel and a display panel stacked under the touch panel; a touch driving circuit; and one or more rollers on which at least a portion of the touch screen panel is rolled. The touch panel may include receiving electrodes extending in a first axis direction and arranged in parallel in a second axis direction perpendicular to the first axis direction and driving electrodes extending in the second axis direction and arranged in parallel in the first axis direction. The display panel may include gate lines and source lines intersecting with the gate lines. The touch driving circuit may be configured to apply driving signals to the driving electrodes. The touch screen panel rolled on the one or more rollers may be unfolded as the one or more rollers slide in the first axis direction.

    Display device and driving method thereof

    公开(公告)号:US12288495B2

    公开(公告)日:2025-04-29

    申请号:US18238885

    申请日:2023-08-28

    Abstract: A display device is provided. The display device includes: a pixel array including pixels connected to gate lines and source lines; and a driving circuit configured to: apply gate signals to the gate lines and provide data signals to the source lines during a first scan period such that horizontal periods of the gate signals do not overlap each other, and apply the gate signals to first gate lines, of the gate lines, connected to pixels in a first area of the pixel array in a different manner from second gate lines, of the gate lines, connected to pixels in a second area of the pixel array for a portion of a second scan period, provide the data signals to the source lines, and maintain a low-biased state or an off state for a remaining portion of the second scan period.

    TOUCH CONTROLLER, OPERATING METHOD OF THE SAME, AND TOUCH SENSING DEVICE INCLUDING TOUCH CONTROLLER

    公开(公告)号:US20230134287A1

    公开(公告)日:2023-05-04

    申请号:US17978705

    申请日:2022-11-01

    Abstract: A touch controller includes a noise detection circuit that respectively provides a first reference voltage and a second reference voltage for detecting display noise to a first electrode and a second electrode arranged on lines except a line on which touch sensing is performed, among sensing electrodes, the second reference voltage being different from the first reference voltage, a driving signal generation circuit that receive a first noise voltage and a second noise voltage generated based on the first reference voltage and the second reference voltage and alternately selects the first noise voltage and the second noise voltage as a driving signal, and a receiving circuit that receives the driving signal, a touch sensing signal generated based on the driving signal from a third electrode arranged on the line on which touch sensing is performed, among the sensing electrodes, and generates a sensing voltage based on the touch sensing signal.

    Display panel and display apparatus

    公开(公告)号:US12223905B2

    公开(公告)日:2025-02-11

    申请号:US18590365

    申请日:2024-02-28

    Abstract: A display apparatus includes plural pixels, a scan driver, a data driver, and a read-out circuit that reads out an electrical characteristic of each of the pixels. Each of the pixels includes a first transistor, a second transistor, a third transistor, a fourth transistor including a first electrode connected with a power node, a second electrode connected with a first node, and a gate connected with a first emission control line, a fifth transistor including a first electrode connected with a third node, a second electrode, and a gate connected with a second emission control line, a sixth transistor including a first electrode connected with a read-out line, a second electrode connected with the third node, and a gate connected a the read-out/initialization control line, a capacitor connected between the first node and the second node, and an organic light-emitting diode.

    DISPLAY DEVICE
    9.
    发明申请

    公开(公告)号:US20250014515A1

    公开(公告)日:2025-01-09

    申请号:US18758335

    申请日:2024-06-28

    Abstract: A display device includes pixels arranged in rows and columns, a scan driver, and a read-out circuit, wherein the read-out circuit is configured to read-out electrical properties of a pixel through the read-out line. The first pixel includes a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a sixth transistor, a seventh transistor, an eighth transistor, a ninth transistor, a first organic light-emitting diode connected between a second electrode of the seventh transistor and a ground node to which a ground voltage is applied, a second organic light-emitting diode between the second electrode of the eighth transistor and the ground node, and a third organic light-emitting diode connected between the second electrode of the ninth transistor and the ground node.

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