OLED display substrate, method of forming the same and display device

    公开(公告)号:US11239298B2

    公开(公告)日:2022-02-01

    申请号:US16641560

    申请日:2019-08-26

    Abstract: An Organic Light-emitting Diode (OLED) display substrate, a method of forming the same and a display device are provided. The OLED display substrate includes: a driving thin film transistor located on a base substrate and configured to drive an OLED light-emitting unit to emit light; and a photosensitive thin film transistor located on the base substrate and configured to be capable of detecting light emitted by the OLED light-emitting unit and generating an electrical signal, at least a part of film layers of the photosensitive thin film transistor and at least a part of film layers of the driving thin film transistor are disposed at a same layer and made of a same material.

    Display backplane and method for manufacturing the same, display panel and display device

    公开(公告)号:US11239257B2

    公开(公告)日:2022-02-01

    申请号:US16468240

    申请日:2019-01-09

    Abstract: The present disclosure provides a display backplane and a method for manufacturing the same, a display panel and a display device, and relates to the field of display technology. The display backplane includes a first backplane and a second backplane. The first backplane includes a first substrate, and a first thin film transistor, on the first substrate, configured to drive a light emitting unit. The second backplane, which is attached to a surface of the first substrate facing away from the first thin film transistor, includes a second substrate and at least one second thin film transistor located between the second substrate and the first substrate.

    Electronic device, manufacturing method and operation method thereof, electronic copy system

    公开(公告)号:US10203830B2

    公开(公告)日:2019-02-12

    申请号:US15778310

    申请日:2017-05-25

    Abstract: An electronic device, a manufacturing method and an operation method thereof, and an electronic copy system. Each pixel unit of the electronic device includes a Hall-effect working electrode including a first, second, third and fourth contact position, a thin film transistor, a gate line, a first common line, a second common line, a data line and a sensing line. A line connecting the first contact position and the second contact position intersects a line connecting the third contact position and the fourth contact position; the thin film transistor includes a gate electrode connected with the gate line, a source electrode connected with the data line and a drain electrode, the drain electrode and sensing line are respectively connected with the first and second contact position; the first and second common line are respectively connected with the Hall-effect working electrode through the third and fourth contact position.

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