DISPLAY SUBSTRATE, METHOD FOR MANUFACTURING THE SAME, AND DISPLAY PANEL

    公开(公告)号:US20220238605A1

    公开(公告)日:2022-07-28

    申请号:US17539492

    申请日:2021-12-01

    发明人: Wenhai MEI Zhuo LI

    IPC分类号: H01L27/32 H01L51/56

    摘要: A display substrate, a display panel and a method for manufacturing the display substrate are provided. The display substrate comprises a backing substrate and a plurality of pixel areas formed on the backing substrate, wherein the display substrate further comprises a quantum dot layer, the quantum dot layer comprises a plurality of quantum dot units located in the plurality of pixel areas respectively, wherein the quantum dot units comprise a matrix layer and quantum dots dispersed in the matrix layer, the matrix layer comprises a central region and a peripheral region disposed around the central region, the peripheral region comprises a polymer of photocurable monomers, and the central region comprises unpolymerized photocurable monomers.

    ULTRASONIC TRANSDUCER, FABRICATION METHOD THEREOF AND ELECTRONIC DEVICE

    公开(公告)号:US20240267680A1

    公开(公告)日:2024-08-08

    申请号:US18021544

    申请日:2022-05-27

    IPC分类号: H04R7/10 H04R31/00

    CPC分类号: H04R7/10 H04R31/003

    摘要: Provides are an ultrasonic transducer, a fabrication method thereof and an electronic device. The ultrasonic transducer includes: an array substrate having a groove, a bottom electrode and an insulation layer, wherein an orthographic projection of the groove on the array substrate is within an orthographic projection of the bottom electrode on the array substrate, and the insulation layer covers the bottom electrode; and an opposite substrate, the opposite substrate and the array substrate are oppositely arranged and are attached to each other, the opposite substrate and the array substrate form a cavity in the groove, the opposite substrate has a top electrode and a vibrating diaphragm layer which are arranged in stack, and an orthographic projection of the top electrode on the array substrate is within the orthographic projection of the bottom electrode on the array substrate.

    QUANTUM DOT MATERIAL, LIGHT-EMITTING DEVICE AND MANUFACTURING METHOD THEREFOR, AND DISPLAY APPARATUS

    公开(公告)号:US20240032412A1

    公开(公告)日:2024-01-25

    申请号:US18036386

    申请日:2020-12-25

    发明人: Zhuo LI

    摘要: Disclosed in embodiments of the present invention are a quantum dot material, a light-emitting device and a manufacturing method therefor, and a display apparatus. The quantum dot material comprises: a quantum dot and at least one first ligand connected to the surface of the quantum dot. The first ligand comprises: an inner group connected to the quantum dot, a first photosensitive group connected to the inner group, and an outer group connected to the first photosensitive group, the inner group being configured to adsorb the quantum dot material on the surface of a carrier film layer, the first photosensitive group being configured to break under the irradiation of ultraviolet light, such that the outer group is separated from the inner group, and the outer group being configured to ionize in an aqueous solution to make the quantum dot material electropositive or electronegative.