公开(公告)号：US20220038104A1

公开(公告)日：2022-02-03

申请号：US17389698

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: H03L7/085 ,  H03L7/099

Abstract: The present disclosure discloses an all-digital phase-locked loop. The all-digital phase-locked loop may include a time-to-digital conversion circuit configured to convert phase differences between a reference signal and a feedback signal into respective digital values and to output a first data signal and a second data signal corresponding to the respective digital values, a digital loop filter configured to select one of the first data signal and the second data signal as valid data and output a control signal by operating the valid data and a first register signal, a digitally controlled oscillator configured to generate an oscillation signal and control a frequency of the oscillation signal in response to the control signal, and a divider configured to divide the oscillation signal and output the feedback signal to the time-to-digital conversion circuit.

公开(公告)号：US20220029779A1

公开(公告)日：2022-01-27

申请号：US17443792

申请日：2021-07-27

Applicant: Silicon Works Co., Ltd.

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

IPC: H04L7/04

Abstract: The present disclosure discloses a clock and data recovery circuit. The clock and data recovery circuit may include a clock recovery unit configured to output a recovery clock signal by operating a first time-to-digital conversion circuit or a second time-to-digital conversion circuit depending on a phase difference between a clock of an input signal and the recovery clock signal, and a data recovery unit configured to sample data from the input signal and output recovery data.

公开(公告)号：US20210193039A1

公开(公告)日：2021-06-24

申请号：US17124202

申请日：2020-12-16

Applicant: SILICON WORKS CO., LTD.

Inventor： Taiming PIAO ,  Young Bok KIM ,  Won KIM ,  Byeon Cheol LEE

IPC: G09G3/3241 ,  G09G3/3291

Abstract: The present disclosure provides, in a pixel sensing, a technology in which a parasitic impedance formed in a sensing line does not affect an integrating circuit using a current mirror circuit coupled with an operational amplifier.

公开(公告)号：US20160098966A1

公开(公告)日：2016-04-07

申请号：US14875945

申请日：2015-10-06

Applicant: SILICON WORKS CO., LTD.

Inventor： Young Bok KIM ,  Young Tae KIM ,  Joon Ho NA

IPC: G09G3/36

CPC classification number: G09G3/3688 ,  G09G3/3614 ,  G09G2310/027 ,  G09G2310/0291 ,  G09G2330/021

Abstract: Provided are a source driver and a display device. The source driver may include: a gamma voltage generation unit configured to select and provide one or more of the gamma voltages in response to a first power down signal; an output buffer unit configured to provide a data voltage to a output terminal in response to a second power down signal; and a selection unit configured to provide the gamma voltage to the output terminal.

Abstract translation: 提供源驱动器和显示装置。 源极驱动器可以包括：γ电压产生单元，被配置为响应于第一掉电信号选择并提供伽马电压中的一个或多个; 输出缓冲器单元，被配置为响应于第二掉电信号向输出端子提供数据电压; 以及选择单元，被配置为向输出端提供伽马电压。

公开(公告)号：US20150255042A1

公开(公告)日：2015-09-10

申请号：US14642965

申请日：2015-03-10

Applicant: SILICON WORKS CO., LTD.

Inventor： Kwang Il OH ,  Soo Woo KIM ,  Myung Yu KIM ,  Young Bok KIM

IPC: G09G5/18

CPC classification number: G09G5/18 ,  G09G3/20 ,  G09G2310/027 ,  G09G2310/0291 ,  G09G2310/0297 ,  G09G2330/021 ,  G09G2330/028 ,  G09G2370/08

Abstract: Provided are a display device and a source driver. The source driver may perform a power down mode in response to any one of a vertical blank period, a horizontal blank period, a state in which the load of a panel is maintained at a preset value or less, a state in which a current supplied to the panel is maintained at a preset value or less, or a state in which resolution is maintained at a preset value or less. The source driver can realize the power down mode using various power options, thereby reducing power consumption.

Abstract translation: 提供了显示装置和源驱动器。 源驱动器可以响应于垂直空白周期，水平空白周期，面板的负载维持在预设值或更小的状态中的任何一个来执行掉电模式，其中提供电流的状态 维持在预设值或更小的状态，或将分辨率维持在预设值以下的状态。 源驱动器可以使用各种电源选项实现掉电模式，从而降低功耗。

公开(公告)号：US20220068223A1

公开(公告)日：2022-03-03

申请号：US17459948

申请日：2021-08-27

Applicant: Silicon Works Co., Ltd.

Inventor： Won KIM ,  Young Bok KIM

IPC: G09G3/3291

Abstract: A source driver capable of improving sensing accuracy even when a black image signal is provided to reduce motion blur during a sensing period for sensing signals of pixels of a display panel, and a display device including the same. The source driver includes an output buffer configured to output a source signal; a voltage terminal applied with a black image signal of a preset voltage level; a source output terminal connected to a data line of a display panel; and a switch circuit configured to connect one of an output terminal of the output buffer and the voltage terminal to the source output terminal, wherein the switch circuit connects the voltage terminal to the source output terminal during a black image insertion period of a sensing period in which a pixel of the display panel is sensed.

公开(公告)号：US20220013054A1

公开(公告)日：2022-01-13

申请号：US17368599

申请日：2021-07-06

Applicant: Silicon Works Co., Ltd.

Inventor： Young Bok KIM ,  Taiming PIAO ,  Young Tae KIM ,  Young Ho SHIN

IPC: G09G3/20 ,  H03K3/356

Abstract: Disclosed is an output buffer circuit for a display driving apparatus, which generates an output voltage by using a bias current controlled by digital-to-analog conversion for interpolation data, the output buffer circuit including a decoder configured to output control data obtained by decoding interpolation data, and an output circuit configured to output an output voltage by using a bias current having the amount of current controlled by digital-to-analog conversion for the control data.

公开(公告)号：US20220005394A1

公开(公告)日：2022-01-06

申请号：US17368590

申请日：2021-07-06

Applicant: Silicon Works Co., Ltd.

Inventor： Young Bok KIM ,  Taiming PIAO ,  Young Tae KIM ,  Dong Hun LEE

IPC: G09G3/20 ,  G05F3/24

Abstract: The present disclosure discloses a display driving apparatus configured to process data by using a low voltage bias current, process a source signal by using a high voltage bias current, and provide the low voltage bias current and the high voltage bias current by using one bias core.

公开(公告)号：US20190043409A1

公开(公告)日：2019-02-07

申请号：US16051860

申请日：2018-08-01

Applicant: SILICON WORKS CO., LTD.

Inventor： Nam Seok SEO ,  Young Kwang KIM ,  Young Bok KIM ,  Hyun Mo YANG ,  Hae Won LEE ,  Ju Ho LEE

IPC: G09G3/20

CPC classification number: G09G3/2003 ,  G09G3/3275 ,  G09G3/3688 ,  G09G2310/0248 ,  G09G2310/0291 ,  G09G2310/08 ,  G09G2320/103 ,  G09G2330/021

Abstract: The present invention discloses a low power driving system and timing controller for a display apparatus. The low power driving system may include: a timing controller configured to divide a display pattern into a static pattern and a dynamic pattern based on a difference between previous line data and current line data, and transmit a packet into which one of first option information corresponding to the static pattern and second option information corresponding to the dynamic pattern is applied; and a source driver configured to receive the packet, and perform a low power mode corresponding to the static pattern according to the first option information or perform adaptive charge sharing corresponding to the dynamic pattern according to the second option information.

公开(公告)号：US20150062107A1

公开(公告)日：2015-03-05

申请号：US14472480

申请日：2014-08-29

Applicant: SILICON WORKS CO., LTD.

Inventor： Young Bok KIM ,  Pyung Sik Ma

IPC: G09G3/36

CPC classification number: G09G3/3688 ,  G09G3/20 ,  G09G2300/0426 ,  G09G2310/0275 ,  G09G2310/0291 ,  G09G2330/02

Abstract: Disclosed are a flat panel display apparatus and a source driver integrated circuit. The flat panel display apparatus and the source driver integrated circuit supply power to each position in the source driver integrated circuit at a uniform level, so that the output characteristics of a plurality of units using the power are uniform.

Abstract translation: 公开了一种平板显示装置和源极驱动器集成电路。 平板显示装置和源极驱动器集成电路以均匀的电平向源极驱动器集成电路中的每个位置供电，使得使用该功率的多个单元的输出特性是均匀的。