Display device and method of inspecting the same

    公开(公告)号:US11804172B2

    公开(公告)日:2023-10-31

    申请号:US17941990

    申请日:2022-09-09

    CPC classification number: G09G3/32 G09G2310/027 G09G2310/0297

    Abstract: A display device includes connection lines, pulse amplitude modulation (PAM) data lines configured to receive pulse width modulation (PWM) data voltages, PWM data lines configured to receive the PWM data voltages, a first connection control line configured to receive a first connection control signal, a second connection control line configured to receive a second connection control signal, subpixels connected to the PWM data lines and the PAM data lines, and a first demultiplexer (demux) unit configured to connect the connection lines to the PAM data lines or to the PWM data lines according to the first connection control signal and the second connection control signal.

    DISPLAY DEVICE
    4.
    发明公开
    DISPLAY DEVICE 审中-公开

    公开(公告)号:US20240315094A1

    公开(公告)日:2024-09-19

    申请号:US18122245

    申请日:2023-03-16

    Abstract: A display device includes: a substrate; a first conductive layer disposed on the substrate and including a data line, an initialization voltage line, and a driving voltage line; and a semiconductor layer disposed on the first conductive layer. The semiconductor layer includes a first semiconductor, a second semiconductor, and a third semiconductor spaced apart from each other, the first semiconductor is electrically connected to the driving voltage line, the second semiconductor is electrically connected to the data line, the third semiconductor is electrically connected to the initialization voltage line, and the second semiconductor does not overlap the data line in a direction perpendicular to a surface of the substrate.

    Liquid crystal display panel
    7.
    发明授权

    公开(公告)号:US10126606B2

    公开(公告)日:2018-11-13

    申请号:US14957913

    申请日:2015-12-03

    Abstract: A liquid crystal display panel includes a first gate line and a second gate line extending in a first direction, a first data line and a second data line extending in a second direction, a pixel region surrounded by the first and second gate lines and the first and second data lines, and a first sub pixel electrode and a second sub pixel electrode disposed in the pixel region, wherein the first sub pixel electrode includes a first pattern section and a second pattern section symmetrical with each other about the second direction serving as an axis, wherein the second sub pixel electrode includes a third pattern section having a same shape as that of either the first pattern section or the second pattern section, and a fourth pattern section having a shape different from those of both the first pattern section and the second pattern section, wherein the first sub pixel electrode and the second sub pixel electrode are electrically interconnected.

    Liquid crystal display
    8.
    发明授权

    公开(公告)号:US09804451B2

    公开(公告)日:2017-10-31

    申请号:US15005601

    申请日:2016-01-25

    Abstract: A liquid crystal display includes a first display substrate including a plurality of pixel electrodes corresponding to a plurality of pixels, respectively, a second display substrate disposed opposite to the first display substrate; and a liquid crystal layer disposed between the first and second display substrates, where each of the pixel electrodes includes first and second subpixel electrodes, which are disposed near each other in a first direction and each include a plurality of minute branches, the first subpixel electrode is divided into a plurality of first-subpixel areas including a first first-subpixel area, in which the minute branches extend in a first diagonal direction, and the second subpixel electrode includes a plurality of second-subpixel areas including a first second-subpixel area, which is disposed near the first first-subpixel area in the first direction and in which the minute branches extend in the first diagonal direction.

    Display device and a tiled display device including the same

    公开(公告)号:US12249272B2

    公开(公告)日:2025-03-11

    申请号:US18486985

    申请日:2023-10-13

    Abstract: Provided are a display device and a tiled display comprising the same. The display device includes PWM data lines for respectively receiving PWM data voltages, first to third data lines for respectively receiving first to third data voltages, sub-pixels respectively connected to the PWM data lines, respectively connected to the first to third data lines, and respectively including at least one light-emitting element, a global power supply line for receiving a global power supply voltage, and a first demultiplexer between the PWM data lines and the global power supply line, wherein the PWM data voltages have grayscale voltages from a black grayscale voltage to a white grayscale voltage, the black grayscale voltage being greater than or equal to the global power supply voltage.

    Display device and tiled display device including the same

    公开(公告)号:US12230195B2

    公开(公告)日:2025-02-18

    申请号:US18425663

    申请日:2024-01-29

    Abstract: A display device includes PWM data lines to receive PWM data voltages, first to third data lines to receive corresponding data voltages from among first to third data voltages, sweep signal lines to receive sweep signals, and a sub-pixel connected to a PWM data line from among the PWM data lines, a data line from among the first to third data lines, and a sweep signal line from among the sweep signal lines, and includes at least one light emitting element. The sub-pixel may include a first transistor, a first capacitor electrode connected to a gate electrode of the first transistor, and a second capacitor electrode connected to the sweep signal line, and overlapping the first capacitor electrode in a thickness direction of the display device. The second capacitor electrode does not overlap a source electrode and a drain electrode of the first transistor in the thickness direction.

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