公开(公告)号：US20100134471A1

公开(公告)日：2010-06-03

申请号：US12591482

申请日：2009-11-20

申请人： Ki-Won Seo ,  Jae-Wook Kwon ,  Do-Yun Kim ,  Sung-Pil Choi

发明人： Ki-Won Seo ,  Jae-Wook Kwon ,  Do-Yun Kim ,  Sung-Pil Choi

IPC分类号： G09G5/00

CPC分类号： G09G3/3688 ,  G09G3/3614 ,  G09G2320/02

摘要： An output driving circuit is provided that may reduce power consumption by decreasing static current leakage in a liquid crystal display device. The output driving circuit of an output buffer of a source driver integrated circuit may include: an output driving unit including a pull-up transistor and a pull-down transistor coupled to a source line driving signal output terminal; and a sub output driving unit configured to perform an output driving operation together with the output driving unit during a normal operation period of an active horizontal synchronization signal and configured to be disabled during a period in which the horizontal synchronization signal is inactive in response to a control signal, in order to reduce static current leakage flowing through the output driving circuit. Current leakage is reduced in the inactive period of a horizontal synchronization signal in an output driving circuit, thereby reducing power consumption of a liquid crystal display device.

摘要翻译： 提供一种输出驱动电路，其可以通过降低液晶显示装置中的静电流泄漏来降低功耗。 源极驱动器集成电路的输出缓冲器的输出驱动电路可以包括：输出驱动单元，包括耦合到源极线驱动信号输出端的上拉晶体管和下拉晶体管; 以及副输出驱​​动单元，被配置为在活动水平同步信号的正常操作期间内与所述输出驱动单元一起执行输出驱动操作，并且被配置为在所述水平同步信号响应于所述水平同步信号无效的时段期间被禁用 控制信号，以减少流过输出驱动电路的静电流泄漏。 在输出驱动电路中的水平同步信号的无效期间，电流泄漏减少，从而降低了液晶显示装置的功耗。

公开(公告)号：US08054280B2

公开(公告)日：2011-11-08

申请号：US12109288

申请日：2008-04-24

申请人： Sung-Pil Choi ,  Do-Youn Kim ,  Jae-Wook Kwon ,  Ki-Won Seo

发明人： Sung-Pil Choi ,  Do-Youn Kim ,  Jae-Wook Kwon ,  Ki-Won Seo

IPC分类号： G09G3/36

CPC分类号： G09G3/3685 ,  G09G3/3696 ,  G09G2310/027 ,  G09G2320/0233

摘要： A display apparatus including a display driver. The data driver includes a converter to receive and convert image data in digital form into data voltages in analog form, and to provide the data voltages to output buffers. The output buffers receive and buffer the data voltages based on bias voltages generated as part of a feedback path between a bias voltage control circuit and the output buffers. The data voltages are provided to a display part. Before the data voltages output from the output buffers are provided to the display part, the bias voltage control part receives data voltage from the output buffers to count a slew rate of the data voltage, and varies the voltage level of the bias voltage based on the counted result of the slew rate, thereby providing feedback to the output buffers. Accordingly, differences of the slew rate between the data voltages output from the output buffers may be decreased.

摘要翻译： 一种显示装置，包括显示驱动器。 数据驱动器包括用于以数字形式接收图像数据并以模拟形式将其转换为数据电压的转换器，并将数据电压提供给输出缓冲器。 输出缓冲器基于作为偏置电压控制电路和输出缓冲器之间的反馈路径的一部分而产生的偏置电压来接收和缓冲数据电压。 数据电压被提供给显示部分。 在从输出缓冲器输出的数据电压被提供给显示部分之前，偏置电压控制部分从输出缓冲器接收数据电压以对数据电压的转换速率进行计数，并且基于该偏置电压来改变偏置电压的电压电平 计算转换速率的结果，从而向输出缓冲器提供反馈。 因此，可以减小从输出缓冲器输出的数据电压之间的转换速率的差异。

公开(公告)号：US20100164924A1

公开(公告)日：2010-07-01

申请号：US12654256

申请日：2009-12-15

申请人： Ki-Won Seo ,  Do-Yoon Kim ,  Jae-Wook Kwon ,  Sung-Pil Choi

发明人： Ki-Won Seo ,  Do-Yoon Kim ,  Jae-Wook Kwon ,  Sung-Pil Choi

IPC分类号： G09G5/00 ,  G09G3/36

CPC分类号： G09G3/3688 ,  G09G3/3666 ,  G09G3/3696 ,  G09G2310/0291 ,  G09G2310/08 ,  G09G2330/021 ,  G09G2330/025 ,  G09G2330/06

摘要： A bias control circuit includes a counter unit, a decoder, a level shifter, and a bias block. The bias control circuit provides plurality bits of first signal indicating information on a plurality of groups based on a number of scanning lines and a number of groups. The decoder decodes the first signal to provide plurality bits of second signal. The level shifter shifts a voltage level of the second signal to provide a bias resistor selection signal. The bias block provides respective bias voltages to the corresponding respective groups by respective resistances being selected in response to the bias resistor selection signal.

摘要翻译： 偏置控制电路包括计数器单元，解码器，电平移位器和偏置块。 偏置控制电路基于扫描线的数量和组的数量向多个组提供指示信息的第一信号的多个位。 解码器对第一信号进行解码以提供第二信号的多个比特。 电平移位器移动第二信号的电压电平以提供偏置电阻器选择信号。 偏置块通过响应于偏置电阻器选择信号选择的相应电阻向相应的各组提供相应的偏置电压。

公开(公告)号：US07733838B2

公开(公告)日：2010-06-08

申请号：US11743417

申请日：2007-05-02

申请人： Jae-Wook Kwon ,  Sung-Pil Choi

发明人： Jae-Wook Kwon ,  Sung-Pil Choi

IPC分类号： H04B7/216

CPC分类号： G09G3/3674 ,  G09G2330/021 ,  G09G2330/06

摘要： A data transmission device for reducing power consumption includes a data source configured to provide data, a data transmission line having a plurality of data transmission sections, and data storage units respectively coupled to the data transmission sections. The respective data storage units determine whether the data storage units store the provided data, and store the provided data based on the determination result. The provided data is sequentially stored into the data storage units, from one end of the data storage units to the other end of the data storage units. A data transmission controller is configured to control the data transmission sections and to transmit the provided data to one of the data storage units. Therefore, the data transmission device may reduce electromagnetic interference (EMI) that is proportional to the current in the source driver.

摘要翻译： 用于降低功耗的数据传输装置包括被配置为提供数据的数据源，具有多个数据传输部分的数据传输线以及分别耦合到数据传输部分的数据存储单元。 相应的数据存储单元确定数据存储单元是否存储提供的数据，并且基于确定结果来存储所提供的数据。 所提供的数据被顺序地存储到数据存储单元中，从数据存储单元的一端到数据存储单元的另一端。 数据传输控制器被配置为控制数据传输部分并将提供的数据发送到数据存储单元之一。 因此，数据传输设备可以减少与源驱动器中的电流成比例的电磁干扰（EMI）。

公开(公告)号：US20080043701A1

公开(公告)日：2008-02-21

申请号：US11743417

申请日：2007-05-02

申请人： Jae Wook Kwon ,  Sung-Pil Choi

发明人： Jae Wook Kwon ,  Sung-Pil Choi

IPC分类号： H04B7/216

CPC分类号： G09G3/3674 ,  G09G2330/021 ,  G09G2330/06

摘要： A data transmission device for reducing power consumption includes a data source configured to provide data, a data transmission line having a plurality of data transmission sections, and data storage units respectively coupled to the data transmission sections. The respective data storage units determine whether the data storage units store the provided data, and store the provided data based on the determination result. The provided data is sequentially stored into the data storage units, from one end of the data storage units to the other end of the data storage units. A data transmission controller is configured to control the data transmission sections and to transmit the provided data to one of the data storage units. Therefore, the data transmission device may reduce electromagnetic interference (EMI) that is proportional to the current in the source driver.

摘要翻译： 用于降低功耗的数据传输装置包括被配置为提供数据的数据源，具有多个数据传输部分的数据传输线以及分别耦合到数据传输部分的数据存储单元。 相应的数据存储单元确定数据存储单元是否存储提供的数据，并且基于确定结果来存储所提供的数据。 所提供的数据被顺序地存储到数据存储单元中，从数据存储单元的一端到数据存储单元的另一端。 数据传输控制器被配置为控制数据传输部分并将提供的数据发送到数据存储单元之一。 因此，数据传输设备可以减少与源驱动器中的电流成比例的电磁干扰（EMI）。

公开(公告)号：US07282990B2

公开(公告)日：2007-10-16

申请号：US11375952

申请日：2006-03-15

申请人： Sung-Pil Choi ,  Do-Youn Kim ,  Jae-Wook Kwon

发明人： Sung-Pil Choi ,  Do-Youn Kim ,  Jae-Wook Kwon

IPC分类号： G06G7/12

CPC分类号： H03K5/2481 ,  H03F3/45183 ,  H03F2203/45674

摘要： An operational amplifier includes: a differential amplifier for differentially amplifying first and second differential input signals to generate first and second output signals through first and second nodes; a driver for driving an output node in response to the second output signal; and a drive current adjuster for adjusting a driving current of the driver in response to the first output signal. The drive current adjuster includes: a first transistor including a drain connected to the output node, a gate, and a source connected to a ground voltage; a second transistor including a gate connected to the first node, a drain, and a source connected to a source voltage; a third transistor including a drain connected to the drain of the second transistor, a source, and a gate connected to a first bias voltage; and a fourth transistor including a drain connected to the source of the third transistor, a source connected to the ground voltage, and a gate connected to a second bias voltage, wherein the gate of the first transistor is commonly connected to the drains of the second and third transistors.

摘要翻译： 运算放大器包括：差分放大器，用于差分放大第一和第二差分输入信号，以通过第一和第二节点产生第一和第二输出信号; 用于响应于所述第二输出信号驱动输出节点的驱动器; 以及驱动电流调节器，用于响应于第一输出信号调整驱动器的驱动电流。 驱动电流调节器包括：第一晶体管，包括连接到输出节点的漏极，栅极和连接到接地电压的源极; 第二晶体管，包括连接到第一节点的栅极，漏极和连接到源极电压的源极; 第三晶体管，包括连接到第二晶体管的漏极的漏极，源极和连接到第一偏置电压的栅极; 以及第四晶体管，包括连接到第三晶体管的源极的漏极，连接到接地电压的源极和连接到第二偏置电压的栅极，其中第一晶体管的栅极共同连接到第二晶体管的漏极 和第三晶体管。

公开(公告)号：US20060238238A1

公开(公告)日：2006-10-26

申请号：US11375952

申请日：2006-03-15

申请人： Sung-Pil Choi ,  Do-Youn Kim ,  Jae-Wook Kwon

发明人： Sung-Pil Choi ,  Do-Youn Kim ,  Jae-Wook Kwon

IPC分类号： H03K5/22 ,  G06G7/12

CPC分类号： H03K5/2481 ,  H03F3/45183 ,  H03F2203/45674

摘要： An operational amplifier includes: a differential amplifier for differentially amplifying first and second differential input signals to generate first and second output signals through first and second nodes; a driver for driving an output node in response to the second output signal; and a drive current adjuster for adjusting a driving current of the driver in response to the first output signal. The drive current adjuster includes: a first transistor including a drain connected to the output node, a gate, and a source connected to a ground voltage; a second transistor including a gate connected to the first node, a drain, and a source connected to a source voltage; a third transistor including a drain connected to the drain of the second transistor, a source, and a gate connected to a first bias voltage; and a fourth transistor including a drain connected to the source of the third transistor, a source connected to the ground voltage, and a gate connected to a second bias voltage, wherein the gate of the first transistor is commonly connected to the drains of the second and third transistors.

摘要翻译： 运算放大器包括：差分放大器，用于差分放大第一和第二差分输入信号，以通过第一和第二节点产生第一和第二输出信号; 用于响应于所述第二输出信号驱动输出节点的驱动器; 以及驱动电流调节器，用于响应于第一输出信号调整驱动器的驱动电流。 驱动电流调节器包括：第一晶体管，包括连接到输出节点的漏极，栅极和连接到接地电压的源极; 第二晶体管，包括连接到第一节点的栅极，漏极和连接到源极电压的源极; 第三晶体管，包括连接到第二晶体管的漏极的漏极，源极和连接到第一偏置电压的栅极; 以及第四晶体管，包括连接到第三晶体管的源极的漏极，连接到接地电压的源极和连接到第二偏置电压的栅极，其中第一晶体管的栅极共同连接到第二晶体管的漏极 和第三晶体管。

公开(公告)号：US20070024562A1

公开(公告)日：2007-02-01

申请号：US11396142

申请日：2006-03-31

申请人： Sung-Pil Choi

发明人： Sung-Pil Choi

IPC分类号： G09G3/36

CPC分类号： G09G3/3688 ,  G09G3/3614 ,  G09G2310/0291 ,  G09G2310/0297 ,  G09G2310/08 ,  G09G2320/0233

摘要： Liquid crystal display drivers include a conversion control signal generator and an output driver. The conversion control signal generator is configured to generate a first conversion control signal and a second conversion control signal, offset from the first conversion control signal, based on an input clock signal and a polarity modulation signal for reversing polarity of pixel of the liquid crystal display. The output driver includes a plurality of amplifiers having input terminals whose polarities are reversed responsive to a selected one of the first conversion control signal or the second conversion control signal. The output driver is configured to selectively output corresponding output signals of the amplifiers as driving signals of the liquid crystal display based on the polarity modulation signal. Driving methods are also provided

摘要翻译： 液晶显示驱动器包括转换控制信号发生器和输出驱动器。 转换控制信号发生器被配置为基于输入时钟信号和用于反转液晶显示器的像素极性的极性调制信号产生偏离第一转换控制信号的第一转换控制信号和第二转换控制信号 。 输出驱动器包括多个放大器，其具有响应于所选择的第一转换控制信号或第二转换控制信号之一的极性反转的输入端。 输出驱动器被配置为基于极性调制信号来选择性地输出放大器的相应输出信号作为液晶显示器的驱动信号。 还提供驾驶方法

公开(公告)号：US20070182667A1

公开(公告)日：2007-08-09

申请号：US11561223

申请日：2006-11-17

申请人： Sung-Pil Choi

发明人： Sung-Pil Choi

IPC分类号： G09G3/20

CPC分类号： G09G3/3614 ,  G09G3/3644 ,  G09G3/3688 ,  G09G2310/0248 ,  G09G2330/023

摘要： A source driver and a display device having the same, in which the source driver performs charge sharing on source line driving signals in synchronization with an odd-numbered rising edge of the first output control signal, and outputs analog data signals to source lines of a display panel in synchronization with an even-numbered rising edge of the first output control signal, thereby removing scan line noise.

摘要翻译： 一种源极驱动器和具有该源极驱动器的源极驱动器和显示器件，其中源极驱动器与第一输出控制信号的奇数上升沿同步地对源极线驱动信号进行电荷共享，并将模拟数据信号输出到 显示面板与第一输出控制信号的偶数上升沿同步，从而消除扫描线噪声。

公开(公告)号：US06215268B1

公开(公告)日：2001-04-10

申请号：US09474800

申请日：1999-12-29

申请人： Sung-Pil Choi

发明人： Sung-Pil Choi

IPC分类号： G05D100

CPC分类号： F26B21/004 ,  B08B3/02 ,  B08B5/02 ,  B25J21/00 ,  F26B25/003

摘要： A washing robot system for works adapted to perform a washing operation with a minimum number of washing guns regardless of the number of areas to be washed formed at the work to speedily cope with change of types of the works, the system comprising: a washing room for preventing the washing solution from being spread while a works is washed and for restricting a worker from approaching thereto; an industrial robot for washing a predetermined area formed at the work in the washing room; a supply mechanism for supplying the washing solution and air to the robot gun mounted on the industrial robot; a conveying system for conveying the work into the washing room; and a control mechanism for controlling the industrial robot for washing the work.

摘要翻译： 一种洗涤机器人系统，用于适于以最少数量的洗衣机执行洗涤操作的工件，而不管在工作中形成的待洗涤区域的数量如何，以快速地处理工件类型的改变，该系统包括：洗衣室 用于防止洗涤溶液在洗涤工件时被分散并限制工作人员接近洗涤液; 用于洗涤在清洗室中形成的工作中的预定区域的工业机器人; 用于将洗涤溶液和空气供给到安装在工业机器人上的机器人枪的供给机构; 用于将工件输送到洗涤室中的输送系统; 以及用于控制用于洗涤工作的工业机器人的控制机构。