Display panel and driving method of the display panel

    公开(公告)号:US11508287B2

    公开(公告)日:2022-11-22

    申请号:US17399101

    申请日:2021-08-11

    Abstract: A display panel including a plurality of pixels is provided. The display panel includes: a plurality of light emitting elements configured to constitute each pixel of the plurality of pixels; and a plurality of pixel circuits respectively corresponding to the plurality of light emitting elements and configured to drive the plurality of light emitting elements, wherein the plurality of pixel circuits includes a first pixel circuit for pulse width modulation (PWM)-driving a first light emitting element among the plurality of light emitting elements and a second pixel circuit for pulse amplitude modulation (PAM)-driving a second light emitting element among the plurality of light emitting elements.

    DISPLAY APPARATUS AND MANUFACTURING METHOD THEREOF

    公开(公告)号:US20210043616A1

    公开(公告)日:2021-02-11

    申请号:US16984216

    申请日:2020-08-04

    Abstract: A display apparatus is provided. The display apparatus includes a plurality of anode pads disposed on a substrate and spaced apart from each other along a first direction; a cathode pad disposed on the substrate and spaced apart from the plurality of anode pads along a second direction that crosses the first direction; a plurality of repair anode pads disposed on the substrate, spaced apart from each other along the first direction, and spaced apart from the plurality of anode pads and the cathode pad along the second direction; and a plurality of light emitting diodes (LEDs) disposed on the substrate and spaced apart from each other along the first direction, each of the plurality of LEDs including an anode that is electrically connected to a corresponding anode pad from among the plurality of anode pads and a cathode that is electrically connected to the cathode pad.

    Display module and driving method thereof

    公开(公告)号:US11495171B2

    公开(公告)日:2022-11-08

    申请号:US16903934

    申请日:2020-06-17

    Abstract: A display module includes a display panel including an inorganic light emitting element and a pixel circuit configured to provide a driving current to the inorganic light emitting element; and a driver configured to drive the pixel circuit. The pixel circuit includes a pulse amplitude modulation (PAM) circuit configured to control an amplitude of the driving current based on an applied PAM data voltage, and a pulse width modulation (PWM) circuit configured to control a pulse width of the driving current based on an applied PWM data voltage. The driver includes a power supply circuit configured to provide, to the PAM circuit, a first power supply voltage for driving the PAM circuit, and provide, to the PWM circuit, a second power supply voltage for driving the PWM circuit.

    LED display panel and repairing method

    公开(公告)号:US11308831B2

    公开(公告)日:2022-04-19

    申请号:US16824121

    申请日:2020-03-19

    Abstract: A display panel is provided. The display panel may include a glass, a driver formed on a first surface of the glass, and a circuit layer formed on a second surface of the glass. The circuit layer may include a plurality of pixel circuits configured to drive a plurality of micro light emitting diodes (LEDs) forming a plurality of pixels of the display panel; a plurality of driving circuits which are respectively connected to the driver via wiring formed over at least one side surface of the glass, and configured to supply driving signals to the plurality of pixel circuits based on signals received from the driver; and a plurality of redundancy driving circuits connected to the plurality of respective driving circuits in parallel, the plurality of redundancy driving circuits having a same circuit structure as the plurality of respective driving circuits.

    Display panel with light emitting diode (LED) power transfer structure and display apparatus including the same

    公开(公告)号:US11075329B2

    公开(公告)日:2021-07-27

    申请号:US16570041

    申请日:2019-09-13

    Abstract: A display panel is provided. The display panel may include a plurality of light emitting diodes (LEDs); a thin film transistor (TFT) substrate configured to include a first connection pad and on which the plurality of LEDs are disposed, the plurality of LEDs being disposed in a predetermined region of an upper surface of the TFT substrate, and the first connection pad being disposed in another region of the upper surface of the TFT substrate and electrically connected to each of the plurality of LEDs; a transparent plate configured to be disposed on the TFT substrate and include a second connection pad, and a driver configured to be electrically connected to the second connection pad and be disposed in an outer region of the transparent plate.

    Display panel including inorganic light emitting device and driving circuit

    公开(公告)号:US10832615B2

    公开(公告)日:2020-11-10

    申请号:US16263963

    申请日:2019-01-31

    Abstract: A display panel includes a driving circuit layer disposed on a glass that includes a first driving circuit and a second driving circuit, and an inorganic light emitting device mounted on the driving circuit layer to be electrically connected to the first driving circuit. The inorganic light emitting device includes a sub pixel of the display panel. The first driving circuit is located in an area where the inorganic light emitting device is mounted, while the second driving circuit is arranged in an area excluding an area in which the first driving circuit is arranged in the driving circuit layer. The second driving circuit generates a control signal for driving the first driving circuit and provide the generated control signal to the first driving circuit.

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