ORGANIC LIGHT-EMITTING DIODE, DISPLAY PANEL AND DISPLAY DEVICE

    公开(公告)号:US20250126965A1

    公开(公告)日:2025-04-17

    申请号:US18577723

    申请日:2023-03-16

    Abstract: The present disclosure provides an organic light-emitting diode, a display panel and a display device, relating to the field of display technologies. The organic light-emitting diode includes a first electrode, at least two emission layers, an optical modulation layer, and a second electrode. A thickness of the optical modulation layer has a relatively bigger range. Therefore, in the case that the thicknesses of other film layers between the first electrode and the second electrode vary, an optical modulation layer having a different thickness can be provided to adjust the microcavity length of the organic light-emitting diode, thereby ensuring the optical performance of the organic light-emitting diode and the display effect of the display panel.

    DRIVING CIRCUIT, DISPLAY SUBSTRATE AND DISPLAY DEVICE

    公开(公告)号:US20250124841A1

    公开(公告)日:2025-04-17

    申请号:US18291452

    申请日:2023-03-31

    Abstract: A driving circuit includes a pull-up node control circuit, a pull-down node control circuit and an output circuit; the pull-up node control circuit controls a potential of the pull-up node under the control of an input signal and a reset signal; the output circuit controls the output terminal to output a signal under the control of the potential of the pull-up node and the potential of the pull-down node; a channel length of at least one transistor among at least some transistors included in the output circuit, at least some transistors whose gate electrodes are electrically connected to the input terminal included in the pull-up node control circuit, and at least some transistors whose gate electrodes are electrically connected to the reset terminal included in the pull-up node control circuit is greater than a channel length of another transistor included in the driving circuit.

    DISPLAY SUBSTRATE, MAINTENANCE METHOD AND DISPLAY DEVICE

    公开(公告)号:US20250089365A1

    公开(公告)日:2025-03-13

    申请号:US18557810

    申请日:2022-07-28

    Abstract: A display substrate including a base substrate and a driving module arranged on the base substrate, the driving module includes at least one driving unit, and the driving unit includes N stages of driving circuits; N is a positive integer, n is a positive integer less than or equal to N; the nth stage of driving circuit includes a (2n−1)th stage of output circuit, a 2nth stage of output circuit and a first node control circuit; the first node is electrically connected to the (2n−1)th stage of output circuit and the 2nth stage of output circuit respectively through a first connection line; the driving module also includes a scanning line; there are at least two mutually independent overlapping portions between the orthographic projection of the first connection line on the base substrate and the orthographic projection of the scanning line on the base substrate.

    COMPENSATION METHOD AND APPARATUS FOR DISPLAY DEVICE, AND STORAGE MEDIUM

    公开(公告)号:US20250006121A1

    公开(公告)日:2025-01-02

    申请号:US18275228

    申请日:2022-07-28

    Abstract: Provided is a compensation method for a display device. The method includes: acquiring first detection voltages of the plurality of subpixels during a first shutdown compensation process; acquiring first position indication information based on the first detection voltages of the plurality of subpixels; and determining first compensation data based on the first position indication information. The first position indication information indicates column positions of pixels to which a plurality of first subpixels of the plurality of subpixels belong. The first compensation data includes first threshold compensation voltages of the plurality of subpixels, and an absolute value of a difference between the first threshold compensation voltage of the first subpixel and a first reference value is less than an absolute value of a difference between a second threshold compensation voltage of the first subpixel in the first compensation data and the first reference value.

    DISPLAY SUBSTRATE AND DISPLAY DEVICE

    公开(公告)号:US20240397650A1

    公开(公告)日:2024-11-28

    申请号:US18696957

    申请日:2023-07-04

    Abstract: The present disclosure provides a display substrate and a display device. The display substrate includes: a base substrate including a display area and a first frame area located on one side of the display area; and a first power bus at least located in the first frame area. The first power bus includes a first sub-bus, a second sub-bus and at least two connecting wires. The first sub-bus is located between the second sub-bus and the display area, and the first sub-bus is electrically connected to the second sub-bus by means of the at least two connecting wires.

    ORGANIC LIGHT-EMITTING DIODE, DISPLAY PANEL AND DISPLAY DEVICE

    公开(公告)号:US20250107317A1

    公开(公告)日:2025-03-27

    申请号:US18577282

    申请日:2023-03-16

    Abstract: Provided is an organic light-emitting diode, including a first electrode, a second electrode, at least two emission layers, a first hole transport layer and a second hole transport layer. A color of a mixture of light emitted from the at least two emission layers is white. The at least two emission layers includes a first emission layer and a second emission layer. The first electrode, the first emission layer, the first hole transport layer, the second hole transport layer, the second emission layer, and the second electrode are disposed on a base substrate and are sequentially laminated in a direction going away from the base substrate. A thickness of the second hole transport layer is greater than a first thickness threshold. A ratio of the thickness of the second hole transport layer to a thickness of the first hole transport layer ranges from 15 to 40.

    METHOD FOR REPAIRING DEFECTIVE PIXEL, DISPLAY MODULE AND DISPLAY APPARATUS

    公开(公告)号:US20250095524A1

    公开(公告)日:2025-03-20

    申请号:US18557312

    申请日:2022-10-27

    Abstract: A display module includes sub-pixels, data lines, a source driving circuit and a processor. Each sub-pixel includes light-emitting sub-units each including a pixel circuit and at least one light-emitting device. A data line is electrically connected to a sub-pixel. The source driving circuit is electrically connected to the data line. The source driving circuit is configured to output a first or second data signal to the sub-pixel through the data line. The processor is configured to: determine location information of a target sub-pixel; and control, according to the location information, the source driving circuit to output the second data signal to the target sub-pixel, so that a brightness of the target sub-pixel is substantially the same as that of a non-target sub-pixel.

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