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    Driver integrated circuit and display driving device including the same
    41.
    发明授权
    Driver integrated circuit and display driving device including the same 有权

    公开(公告)号：US11250807B2

    公开(公告)日：2022-02-15

    申请号：US17116348

    申请日：2020-12-09

    Applicant: SILICON WORKS CO., LTD.

    Inventor： Kee Joon Choi

    IPC: G09G3/36

    Abstract: Disclosed herein is a driver integrated circuit (IC), which can be miniaturized and includes a plurality of circuits, including a first substrate, a first circuit driven at a first level voltage and mounted on the first substrate, a second substrate bonded to the first substrate, and a second circuit including one or more sub-circuits driven at a second level voltage that is higher than the first level voltage, wherein at least one among the one or more sub-circuits is mounted on the second substrate.

    DIGITAL LOOP FILTER IN ALL-DIGITAL PHASE-LOCKED LOOP
    42.
    发明申请
    DIGITAL LOOP FILTER IN ALL-DIGITAL PHASE-LOCKED LOOP 有权

    公开(公告)号：US20220038106A1

    公开(公告)日：2022-02-03

    申请号：US17389663

    申请日：2021-07-30

    Applicant: Silicon Works Co., Ltd.

    Inventor： Jong Suk LEE ,  Young Bok KIM ,  Chung Hwan SON ,  Seok Jae OH ,  Yeh Ju KA

    IPC: H03L7/093 ,  H03L7/099

    Abstract: The present disclosure discloses a digital loop filter in an all-digital phase-locked loop. The digital loop filter may include a selection circuit configured to output one of a first data signal and a second data signal as valid data, a first operation circuit configured to output a first operation signal by adding or subtracting the valid data and a first register signal, a first register circuit configured to register the first operation signal and output the first operation signal as the first register signal, a second operation circuit configured to output a second operation signal by adding or subtracting a value of at least one bit of the valid data and the first register signal, and a second register circuit configured to store the second operation signal and output the second operation signal as a control signal.

    DISPLAY DRIVING APPARATUS
    43.
    发明申请
    DISPLAY DRIVING APPARATUS 有权

    公开(公告)号：US20220028324A1

    公开(公告)日：2022-01-27

    申请号：US17384575

    申请日：2021-07-23

    Applicant: Silicon Works Co., Ltd.

    Inventor： Young Bok KIM ,  Taiming PIAO

    IPC: G09G3/20

    Abstract: The present disclosure discloses a display driving apparatus in which the consumption power of a chip is optimized through control for each output channel of the chip. The display driving apparatus includes a consumption current control circuit for each output channel. The consumption current control circuit is configured to selectively provide a control current having a high current amount in order to drive an output voltage for the output side of an output buffer in response to a change in the pattern having a great difference between an input voltage and an output voltage.

    APPARATUS AND METHOD FOR DRIVING DISPLAY
    44.
    发明申请
    APPARATUS AND METHOD FOR DRIVING DISPLAY 有权

    公开(公告)号：US20220011895A1

    公开(公告)日：2022-01-13

    申请号：US17367811

    申请日：2021-07-06

    Applicant: SILICON WORKS CO., LTD.

    Inventor： Jong Min PARK ,  Seong Sik YOON ,  Jung Min CHOI

    IPC: G06F3/041 ,  G09G3/20

    Abstract: A display driving device capable of operating a source driver integrated circuit (IC) in a low power mode during a touch sensing period includes a source driver IC configured to operate in a first low power mode in which an analog data processing unit is deactivated or operate in a second low power mode in which both of the analog data processing unit and a digital data processing unit are deactivated, during a touch sensing period of a first frame; and a readout IC configured to supply touch sensor driving signals to touch sensors during the touch sensing period and receive touch sensing data from the touch sensors according to the touch sensor driving signals.

    Color gamut mapping device capable of fine adjustment
    45.
    发明授权
    Color gamut mapping device capable of fine adjustment 有权

    公开(公告)号：US11223748B2

    公开(公告)日：2022-01-11

    申请号：US17065764

    申请日：2020-10-08

    Applicant: SILICON WORKS CO., LTD.

    Inventor： Chang Young Bae ,  Heung Lyeol Lee ,  Hyun Kyu Jeon

    IPC: H04N1/60

    Abstract: There is provided a color gamut mapping device capable of fine adjustment configured to map a color signal to a predetermined color gamut by changing the saturation, hue, and luminance of the corresponding color signal, the color gamut mapping device including a hue angle calculation unit configured to calculate a hue angle using saturation components (Cb, Cr) of a YCbCr-type color signal (Y, Cb, Cr); a parameter generation unit configured to generate at least one of a saturation parameter, a luminance parameter, and a hue parameter using the hue angle; and a color signal changing unit configured to change the YCbCr-type color signal (Y, Cb, Cr) to be mapped to a predetermined color gamut using the parameter, wherein the color signal changing unit includes a saturation changing unit configured to calculate a saturation boundary value determined as a boundary of a predetermined rectangle on a Cb-Cr coordinate plane.

    Display driving device capable of reducing a chip area and a data transmission time and display device including the same
    46.
    发明授权
    Display driving device capable of reducing a chip area and a data transmission time and display device including the same 有权

    公开(公告)号：US11222598B2

    公开(公告)日：2022-01-11

    申请号：US16953968

    申请日：2020-11-20

    Applicant: Silicon Works Co., Ltd.

    Inventor： Won Kim ,  Young Bok Kim ,  Dong Ju Kim

    IPC: G09G3/3275

    Abstract: The present disclosure discloses a display driving device capable of reducing a chip area and a data transmission time and a display device including the same. The display driving device includes a first source driver and a second source driver. Each of the first source driver and the second source driver may include a sensing circuit configured to sample and hold input signals of a multi-channel, a multiplexer configured to transmit the input signals held by the sensing circuit, an analog-to-digital converter configured to convert, into digital data, the input signals received from the multiplexer, and a transmission circuit configured to transmit the digital data to a timing controller through a bus lane. The sensing circuit of the second source driver may hold the input signals while the first source driver transmits the digital data.

    Display driving device and display device including the same
    48.
    发明授权
    Display driving device and display device including the same 有权

    公开(公告)号：US11205361B2

    公开(公告)日：2021-12-21

    申请号：US16925299

    申请日：2020-07-09

    Applicant: Silicon Works Co., Ltd.

    Inventor： Myung Yu Kim ,  Do Seok Kim ,  Hyun Pyo Cho ,  Yong Hwan Moon

    IPC: G09G3/20

    Abstract: The present disclosure discloses a display driving device and a display device including the same, allowing high-speed data communication to be supported by controlling the length of a data packet. The display device may include a timing controller configured to transmit a communication signal, and a source driver connected to the timing controller through a communication link and configured to receive the communication signal. The source driver may receive the communication signal having a format of preamble data, start data, configuration data, end data, and configuration completion data from the timing controller in a configuration mode, and the configuration data may include a header defining a length of a data packet.

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