DISPLAY PANEL, MANUFACTURING METHOD THEREOF, MAINTENANCE METHOD THEREOF AND DISPLAY DEVICE

    公开(公告)号:US20190156740A1

    公开(公告)日:2019-05-23

    申请号:US16097051

    申请日:2018-01-25

    Inventor: Pan XU

    Abstract: Embodiments of the present disclosure relate to an organic light emitting diode display panel, a manufacturing method thereof, a maintenance method and a display device. The organic light emitting diode display panel includes a base substrate and a plurality of subpixel units disposed on the base substrate, wherein each of the subpixel units includes a driving circuit and at least two light emitting regions; in each of the subpixel units, a same output terminal of the driving circuit is split into at least two sub output terminals; and the at least two light emitting regions are respectively connected with different sub output terminals.

    ORGANIC LIGHT EMITTING DIODE PIXEL COMPENSATION METHOD, ORGANIC LIGHT EMITTING DIODE PIXEL COMPENSATION DEVICE AND DISPLAY DEVICE

    公开(公告)号:US20180322830A1

    公开(公告)日:2018-11-08

    申请号:US15869625

    申请日:2018-01-12

    Inventor: Pan XU

    Abstract: An organic light emitting diode pixel compensation method, an organic light emitting diode pixel compensation device and a display device are provided. The organic light emitting diode pixel compensation method includes: testing drive transistors of sub-pixels in an Nth row to obtain first test information; testing drive transistors of sub-pixels in an Mth row to obtain second test information; calculating a compensation parameter based on the first test information and the second test information; and compensating the sub-pixels in the Nth row, the sub-pixels in the Mth row and the sub-pixels in a rows adjacent to the Nth row and the Mth row based on the compensation parameter, where N=an+b, M=an+c, a≥2, 0≤b

    PIXEL CIRCUIT, DRIVING METHOD THEREOF, AND DISPLAY APPARATUS

    公开(公告)号:US20180308430A1

    公开(公告)日:2018-10-25

    申请号:US15842927

    申请日:2017-12-15

    Inventor: Pan XU

    Abstract: A pixel circuit is disclosed which includes a plurality of sub-pixel circuits each including: an organic light emitting diode having an anode; a driving transistor connected in series with the organic light emitting diode via the anode; and a sensing transistor having a first electrode connected to the anode, a gate connected to a first scan line, and a second electrode. The pixel circuit further includes a common transistor having a first electrode connected to the second electrodes of the sensing transistors of the plurality of sub-pixel circuits, a gate connected to the first scan line, and a second electrode connected to a sensing line. Also disclosed is a display apparatus including the pixel circuit and a method of driving the pixel circuit.

    SHIFT REGISTER, GATE DRIVING CIRCUIT AND DISPLAY APPARATUS

    公开(公告)号:US20250166573A1

    公开(公告)日:2025-05-22

    申请号:US18290493

    申请日:2023-02-28

    Abstract: A shift register is provided to include: a voltage regulating circuit to adjust voltages at first and second nodes; a light-emitting cascade output circuit to write a second operating voltage from a second power terminal to a light-emitting cascade signal output terminal in response to control of the voltage at the first node, and write a first operating voltage from a first power terminal to the light-emitting cascade signal output terminal in response to control of the voltage at the second node; a light-emitting driving output circuit to write a third operating voltage from a third power terminal to a light-emitting control driving signal output terminal in response to control of the voltage at the first node, and write a fifth operating voltage from a fifth power terminal to the light-emitting control driving signal output terminal in response to control of the voltage at the second node; and a first anti-leakage circuit to write a fourth operating voltage from a fourth power terminal to a first anti-leakage node in response to control of the voltage at the second node.

    DISPLAY SUBSTRATE AND DISPLAY APPARATUS

    公开(公告)号:US20250148998A1

    公开(公告)日:2025-05-08

    申请号:US19017835

    申请日:2025-01-13

    Abstract: A display substrate includes an underlayer substrate and a circuit structure layer. The circuit structure layer is located in a display area of the underlayer substrate. The circuit structure layer includes at least one first circuit area and at least one second circuit area. The first circuit area includes at least one first gate drive circuit; the second circuit area includes at least one second gate drive circuit. The first gate drive circuit is cascaded with the second gate drive circuit. The first gate drive circuit includes a plurality of cascaded first gate drive units, and the second gate drive circuit includes a plurality of cascaded second gate drive units. A plurality of first gate drive units are sequentially arranged in a second direction, and a plurality of second gate drive units are sequentially arranged in the second direction.

    PIXEL DRIVE CIRCUIT AND DISPLAY APPARATUS

    公开(公告)号:US20250095536A1

    公开(公告)日:2025-03-20

    申请号:US18290015

    申请日:2022-11-23

    Abstract: Provided is a pixel drive circuit. The pixel drive circuit includes a plurality of scan drive circuits transmitting gate drive signals to pixels, a plurality of emission drive circuits transmitting emission control signals to the pixels, a plurality of compensation drive circuits transmitting compensation signals to the pixels, and a plurality of reset drive circuits transmitting reset signals to the pixels, which are all cascaded in a pixel column direction. In addition, the scan drive circuit, the emission drive circuit, the compensation drive circuit, and the reset drive circuit corresponding to the same row of pixels are arranged sequentially along a pixel row direction, the scan drive circuit being disposed farthest away from the pixels. Moreover, among signal lines coupled to the pixel drive circuit, a plurality of signal lines is overlapped with each other, and cutouts are provided at the overlapping portions of the plurality of signal lines.

    PIXEL CIRCUIT AND DRIVING METHOD THEREOF, AND DISPLAY DEVICE

    公开(公告)号:US20250061851A1

    公开(公告)日:2025-02-20

    申请号:US18554822

    申请日:2023-01-12

    Abstract: A pixel circuit and a driving method thereof, and a display device are disclosed. The pixel circuit includes a driving circuit, a data writing circuit, a reset circuit, a light-emitting control circuit and a light-emitting element. The driving circuit includes a control terminal, a first terminal and a second terminal; the data writing circuit is connected to a first node to apply a data voltage; the reset circuit is connected to the first node to apply a reference voltage. The pixel circuit further includes a partition control circuit, which is connected to the first node and the control terminal, and is configured to apply the data voltage and the reference voltage to the control terminal; the reset circuit is connected to one of the first terminal and the second terminal of the driving circuit, and the reset circuit is further configured to apply an initialization voltage to the driving circuit.

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