QUANTUM DOT FILM, QUANTUM DOT DEVICE, AND DISPLAY PANEL

    公开(公告)号:US20220073816A1

    公开(公告)日:2022-03-10

    申请号:US17246833

    申请日:2021-05-03

    Abstract: The present disclosure provides a quantum dot film, a quantum dot device, and a display panel. The provided quantum dot film comprises a plurality of quantum dots and a plurality of polymer molecular chains. The polymer molecule chain comprises at least one first segment and at least one second segment, wherein the first segment has a tensile modulus greater than that of the second segment, and the second segment has a flexural modulus less than that of the first segment.

    CHIP STRUCTURE AND METHOD FOR MANUFACTURING THE SAME, AND DISPLAY APPARATUS

    公开(公告)号:US20250143033A1

    公开(公告)日:2025-05-01

    申请号:US18712703

    申请日:2023-03-29

    Abstract: A chip structure and a method for manufacturing the same, and a display apparatus. The chip structure includes a chip wafer unit and a color conversion unit disposed on a light exit side of the chip wafer unit. The color conversion unit includes a base substrate; the base substrate includes a body portion and an edge portion surrounding the body portion; the edge portion includes original layers and modified layers alternately arranged along a first direction; and in the edge portion, layers located on outermost two sides in the first direction are both original layers, the first direction being perpendicular to a surface of the base substrate away from the chip wafer unit. A light reflectivity of the original layers and a light reflectivity of the modified layers are different.

    CHIP STRUCTURE AND METHOD OF MANUFACTURING THE SAME, DISPLAY SUBSTRATE, AND DISPLAY APPARATUS

    公开(公告)号:US20250120240A1

    公开(公告)日:2025-04-10

    申请号:US18729170

    申请日:2023-01-03

    Abstract: A chip structure includes a chip wafer unit and a color conversion substrate unit disposed on a light-exit side of the chip wafer unit. The chip wafer unit includes a light-emitting layer and an electrode layer sequentially stacked in a first direction. The light-emitting layer includes light-emitting portions. Each light-emitting portion includes at least two light-emitting sub-portions. The electrode layer includes a cathode, connection electrodes, and anodes in one-to-one correspondence with the light-emitting portions. The at least two light-emitting sub-portions are sequentially connected through at least one connection electrode. Among the at least two light-emitting sub-portions sequentially connected, a first one light-emitting sub-portion is a first selected light-emitting sub-portion, and a last one light-emitting sub-portion is a second selected light-emitting sub-portion. The first selected light-emitting sub-portion is connected to the cathode, and the second selected light-emitting sub-portion is connected to an anode.

    DISPLAY SUBSTRATE AND DISPLAY APPARATUS EACH HAVING SUB-PIXELS APPLIED WITH DIFFERENT OPERATING VOLTAGES

    公开(公告)号:US20250095587A1

    公开(公告)日:2025-03-20

    申请号:US18964310

    申请日:2024-11-29

    Inventor: Pan LI Yichi ZHANG

    Abstract: A display substrate includes: a base, and pixel units arranged in an array, each pixel unit including at least two sub-pixels each including: a pixel driving circuit, and a light-emitting element. The light-emitting element includes: a first electrode, a light-emitting layer, and a second electrode arranged on the base sequentially. Each sub-pixel is configured with a corresponding operating voltage transmission line. The pixel driving circuit includes: a driving transistor with a first pole electrically connected to the operating voltage transmission line. Each pixel unit includes two first sub-pixels, one second sub-pixel, and one third sub-pixel. The first operating voltage transmission line is configured to transmit a first operating voltage to both the two first sub-pixels and the one third sub-pixel, the second operating voltage transmission line is configured to transmit a second operating voltage, which is different from the first operating voltage, to the one second sub-pixel.

    LIGHT-EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME, DISPLAY SUBSTRATE

    公开(公告)号:US20250081721A1

    公开(公告)日:2025-03-06

    申请号:US18260492

    申请日:2022-05-11

    Inventor: Dong LI Yichi ZHANG

    Abstract: A light-emitting device includes a first electrode, a second electrode, a light-emitting layer disposed between the first electrode and the second electrode, and a carrier functional layer disposed between the first electrode and the light-emitting layer. The carrier functional layer includes a first carrier functional layer and a second carrier functional layer, the first carrier functional layer is closer to the light-emitting layer than the second carrier functional layer, the first carrier functional layer contains a host material and a ligand material, the second carrier functional layer contains a host material, and the host material of the first carrier functional layer and the host material of the second carrier functional layer include same atoms. A mass fraction of the ligand material of the first carrier functional layer is greater than a mass fraction of a ligand material of the second carrier functional layer.

    TRANSDUCER UNIT, METHOD FOR MANUFACTURING THE SAME, AND TRANSDUCER

    公开(公告)号:US20250033084A1

    公开(公告)日:2025-01-30

    申请号:US18918536

    申请日:2024-10-17

    Abstract: The present disclosure provides a transducer unit and a manufacturing method thereof, and a transducer, the transducer unit includes: a base substrate; a first electrode on the base substrate; a support pattern on a side of the first electrode away from the base substrate, which is enclosed into an first groove, at least one second groove and at least one third groove, an orthographic projection of the second groove on the base substrate is spaced apart from that of the first groove on the base substrate, the third groove is between the first groove and the second groove to communicate them; a diaphragm pattern on the side of the first electrode away from the base substrate and capable of vibrating in the first groove; a filling pattern in the second groove; a second electrode on a side of the diaphragm pattern away from the base substrate.

    Display Panel and Preparation Method Therefor, and Electronic Device

    公开(公告)号:US20240411196A1

    公开(公告)日:2024-12-12

    申请号:US18700726

    申请日:2023-05-05

    Abstract: A display panel, a preparation method therefor, and an electronic device. The display panel comprises: a first substrate and a second substrate arranged oppositely; a reflection layer on one side of the first substrate; a color resist layer on the side of the reflection layer away from the first substrate; a pixel electrode layer on the side of the color resist layer away from the first substrate and comprising multiple sub-pixel electrodes arranged at intervals; a common electrode layer on one side of the second substrate; and pixel isolation columns between first and second substrates and defining multiple sub-pixel regions therebetween, are black and white charged microspheres in the sub-pixel regions, there are at least two sub-pixel electrodes in one sub-pixel region, and the area of orthographic projections of the sub-pixel electrodes in one sub-pixel region is less than that of the color resist layer, on the first substrate.

    LIGHT EMITTING DIODE DEVICE, DISPLAY PANEL, DISPLAY DEVICE, AND MANUFACTURING METHOD

    公开(公告)号:US20230354630A1

    公开(公告)日:2023-11-02

    申请号:US17296839

    申请日:2020-08-20

    Abstract: Embodiments of the present disclosure provide a light emitting diode device, a display panel, a display device, and a manufacturing method. The light emitting diode device includes: a base substrate; a first electrode disposed on one side of the base substrate; a carrier functional layer disposed on one side, facing away from the base substrate, of the first electrode; a quantum dot light emitting layer disposed on one side, facing away from the first electrode, of the carrier functional layer, having a molecular chain structure inside, where the molecular chain structure is formed by atom transfer radical polymerization of a first reactant and a modified molecule, the first reactant undergoes atom transfer radical polymerization with the modified molecule through a ligand molecule A, and in an initial state, the modified molecule is connected to one surface, facing the quantum dot light emitting layer, of the carrier functional layer; and a second electrode disposed on one side, facing away from the carrier functional layer, of the quantum dot light emitting layer.

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