PRINTED CIRCUIT BOARD INCLUDING OVERVOLTAGE CONTROLLING ELEMENT AND ELECTRONIC DEVICE INCLUDING THE SAME

    公开(公告)号:US20200053868A1

    公开(公告)日:2020-02-13

    申请号:US16536565

    申请日:2019-08-09

    Abstract: Disclosed is a printed circuit board including an overvoltage controlling element and an electronic device including the same. The printed circuit board includes a first outer layer, a second outer layer, at least one inner layer stacked between the first and second outer layers, an overvoltage controlling element comprising overvoltage controlling circuitry mounted on the first outer layer and including a plurality of terminals of which a first terminal is connected to a ground, and a conductive area configured to transfer at least a part of a first voltage applied from an external power source to an external IC and to transfer a remaining part of the first voltage to the overvoltage controlling element.

    ELECTRONIC DEVICE FOR COMPENSATING FOR DETERIORATION IN DISPLAY

    公开(公告)号:US20210074240A1

    公开(公告)日:2021-03-11

    申请号:US16962413

    申请日:2019-01-21

    Abstract: An electronic device is provided. The electronic device may include a display panel on which at least one pixel is disposed, a converter for applying a first voltage to the pixel to enable the pixel to emit light, a gamma circuit including a resistor string in which a plurality of resistors are connected and applying a second voltage to the converter, a logic circuit for changing a point where the resistor string and the converter are connected, and a processor electrically connected to the logic circuit.

    ELECTRONIC DEVICE FOR DETERMINING STATE OF DISPLAY USING ONE OR MORE SPECIFIED PINS

    公开(公告)号:US20190279597A1

    公开(公告)日:2019-09-12

    申请号:US16296840

    申请日:2019-03-08

    Abstract: An electronic device is provided. The electronic device includes a display panel, a display driver integrated circuit (DDI) that drives the display panel, a first connector that is connected to the DDI and that includes a first display pin and a second display pin, the first display pin and the second display pin being connected together, a substrate, a second connector that is connected to the substrate and coupled to the first connector and that includes a first board pin and a second board pin, one of the first board pin and the second board pin being connected to a resistor, and at least one processor mounted on the substrate and configured to determine at least one of a coupled state of the first connector and the second connector or a state of the DDI, based on a signal received from the first board pin or the second board pin.

    DISPLAY PANEL AND DISPLAY DEVICE
    6.
    发明申请

    公开(公告)号:US20220225481A1

    公开(公告)日:2022-07-14

    申请号:US17695104

    申请日:2022-03-15

    Abstract: A display panel is disclosed. The display panel may include a plurality of LED elements, and may further include a substrate including a first driving circuit including a pulse width modulation (PWM) driving circuit and a second driving circuit including a pulse amplitude modulation (PAM) driving circuit. The plurality of LED elements may include a first LED element configured to emit light of a first color, and which is controlled by the first driving circuit, and a second LED element configured to emit light of a second color different from the first color, and which is controlled by the second driving circuit.

    DISPLAY DRIVING CIRCUIT COMPRISING PROTECTION CIRCUIT

    公开(公告)号:US20210118348A1

    公开(公告)日:2021-04-22

    申请号:US16970229

    申请日:2019-02-22

    Abstract: There is disclosed an electronic device including a display panel including one or more pixels, one or more gate drivers receiving electric power from a first power supply, and a display driver integrated circuit configured to drive the display panel. Any one of the one or more gate drivers is connected to a first pixel of the one or more pixels, the display driver integrated circuit includes one or more source drivers including a first source driver and at least one protection circuit connected to the first source driver, the first source driver includes one or more amplifier circuits receiving electric power from a second power supply different from the first power supply and connected to the first pixel, the at least one protection circuit is connected to a power input terminal of the one or more amplifier circuits, and at least a portion of the at least one protection circuit is branched between the second power supply and the power input terminal to be connected to a ground of the display driver integrated circuit. In addition to the above, various embodiments identified through the specification are possible.

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