MOTHERBOARD AND MANUFACTURING METHOD FOR MOTHERBOARD

    公开(公告)号:US20220344224A1

    公开(公告)日:2022-10-27

    申请号:US17435098

    申请日:2020-02-27

    Abstract: The present disclosure provides a motherboard and a manufacturing method for the motherboard, the motherboard includes at least one display area, a periphery area surrounding the at least one display area, a plurality of test terminals, an electrostatic discharge line, a plurality of resistors and at least one thin film transistor. The plurality of test terminals are respectively electrically connected to the electrostatic discharge line through the plurality of resistors. At least one of the plurality of resistors includes an inorganic nonmetal trace. The at least one thin film transistor includes an active layer, and the inorganic nonmetal trace includes a same semiconductor matrix material as the active layer of the at least one thin film transistor.

    ARRAY SUBSTRATE AND FABRICATING METHOD THEREOF, DISPLAY PANEL, AND DISPLAY APPARATUS

    公开(公告)号:US20220278182A1

    公开(公告)日:2022-09-01

    申请号:US17680790

    申请日:2022-02-25

    Abstract: The present disclose is related to an array substrate. The array substrate may include a base substrate; a driving transistor on the base substrate; an insulating layer on the driving transistor, the insulating layer comprising a via hole above a first electrode of the driving transistor; a conductive portion on the insulating layer; and a light emitting device on the conductive portion and electrically connected to the conductive portion. The conductive portion may be electrically connected to the first electrode of the driving transistor through the via hole. The light emitting device may be above the via hole, and an orthographic projection of the light emitting device on the base substrate may cover an orthographic projection of the via hole on the base substrate.

    METHOD FOR CONTROLLING CHARGING TIME OF DISPLAY PANEL, AND ELECTRONIC APPARATUS

    公开(公告)号:US20210335245A1

    公开(公告)日:2021-10-28

    申请号:US17259702

    申请日:2020-06-24

    Abstract: A method for controlling a charging time of a display panel includes: during t0+kΔt in a (k+1)-th blanking time, writing a data voltage to a gate of a driving transistor, and detecting a voltage Vk_(j,i) of a second electrode of the driving transistor; during a t0+(k+r)Δt in a (k+1+r)-th blanking time, writing the data voltage to the gate of the driving transistor, and detecting a voltage Vk+i_(j,i) of the second electrode of the driving transistor; determining whether ΔVj,i=Vk+1_ji−Vk_ji is less than or equal to a target voltage difference VT; if ΔVj,i≤VT, taking the T=t0+kΔt as an expected charging time of a sub-pixel; if ΔVj,i>VT, cyclically performing the charging step described above to obtain ΔVj,i=Vk+p+1_(j,i)−Vk+p_(j,i), and comparing ΔVj,i with the target voltage difference VT, until ΔVj,i≤VT, taking t0+(k+p+r−1)Δt as the expected charging time of the sub-pixel. p is taken from 1, and increases by 1 for each cycle.

    DISPLAY SUBSTRATE AND DISPLAY DEVICE

    公开(公告)号:US20210202605A1

    公开(公告)日:2021-07-01

    申请号:US16977512

    申请日:2019-11-29

    Abstract: A display substrate and a display device are provided. The display substrate includes sub-pixels which are arranged in a sub-pixel array in a first direction and a second direction. At least one sub-pixel includes a first transistor, a second transistor, a third transistor, and a storage capacitor. An active layer of the third transistor includes a body region and a first via hole region successively arranged in the first direction and electrically connected with each other; a first electrode of the third transistor is electrically connected to the first via hole region through a first via hole which is shifted in the second direction with respect to the body region, allowing the active layer incudes a first active layer side connecting the body region and the first via hole region; an extension direction of the first active layer side intersects with both the first direction and the second direction.

    ARRAY SUBSTRATE, MANUFACTURING METHOD THEREOF, AND DISPLAY PANEL

    公开(公告)号:US20210167162A1

    公开(公告)日:2021-06-03

    申请号:US17040260

    申请日:2019-11-29

    Abstract: The present disclosure relates to the field of display technologies, and provides an array substrate, a manufacturing method thereof, and a display panel. In the array substrate, a substrate is provided with a first transistor and a second transistor, a first electrode of the first transistor is electrically connected to a gate of the second transistor; a conductive layer is disposed on the substrate, and includes a first conductor portion, a first semiconductor portion, a second conductor portion that are sequentially connected along a first direction; a first gate insulating layer is disposed on a side of the conductive layer away from the substrate; a first gate layer is disposed on a side of the first gate insulating layer away from the substrate to form the gate of the second transistor; a dielectric layer is disposed on the substrate to cover a part of the first conductor portion, a part of the second conductor portion and a part of the first gate layer, and an orthographic projection of a first via hole disposed on the dielectric layer on the substrate overlaps with orthographic projections of at least a part of the first conductor portion, at least a part of the second conductor portion and the first gate layer on the substrate; and a first source/drain layer is disposed on a side of the dielectric layer away from the substrate to cover the first via hole.

    ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE AND CONTROL METHOD THEREOF

    公开(公告)号:US20210134230A1

    公开(公告)日:2021-05-06

    申请号:US16639052

    申请日:2019-07-18

    Abstract: The present disclosure provides an organic light emitting diode (OLED) display device and control method thereof. The OLED display device includes: a plurality of subpixels that are arranged in an array having a plurality of rows and a plurality of columns, wherein at least one of the subpixels comprises a control transistor, a light emitting element, and a drive transistor for driving the light emitting element; a plurality of detection lines, wherein at least one of the detection lines is electrically connected with the control transistors of subpixels in a same column, for detecting an electrical property of the drive transistors of subpixels in the same column through respective control transistors; and a plurality of group detection control lines, wherein at least one of the group detection control lines is electrically connected with control transistors of a subpixel group, the subpixel group comprising subpixels in a first row and subpixels in a second row.

    SHIFT REGISTER, METHOD FOR DRIVING SAME, GATE DRIVING CIRCUIT, AND DISPLAY DEVICE

    公开(公告)号:US20200211436A1

    公开(公告)日:2020-07-02

    申请号:US16550848

    申请日:2019-08-26

    Abstract: A shift register of the present disclosure includes: an input sub-circuit configured to transmit an input signal from an input signal terminal to a feedback node under the control of a first clock signal terminal; a pull-up control sub-circuit configured to transmit a feedback signal of the feedback node to a pull-up node under the control of the first clock signal terminal; a feedback sub-circuit configured to transmit a first voltage signal from a first voltage signal terminal to the feedback node under the control of the pull-up node; an output sub-circuit configured to transmit a second clock signal from a second clock signal terminal to the output signal terminal under the control of the pull-up node; and a pull-down circuit configured to transmit a second voltage signal from a second voltage signal terminal to the output signal terminal under the control of the first clock signal terminal.

    DISPLAY SUBSTRATE, METHOD FOR MANUFACTURING THE SAME AND DISPLAY DEVICE

    公开(公告)号:US20200098845A1

    公开(公告)日:2020-03-26

    申请号:US16576812

    申请日:2019-09-20

    Abstract: A display substrate, a method for manufacturing the same and a display device are provided. The display substrate includes a base substrate, first electrodes above the base substrate, and a light emitting layer disposed at a side of the first electrodes distal from the base substrate, the display substrate further includes signal lines extending in a first direction and fuse wires extending in a second direction, each fuse wire has a fusing point higher than that of the light emitting layer, the fuse wires are located at a side of the light emitting layer proximal to the base substrate and in contact with the light emitting layer, each fuse wire is electrically coupled to at least two signal lines, and an orthographic projection of at least one first electrode on the base substrate is located between orthographic projections of the at least two signal lines on the base substrate.

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