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    • 1. 发明公开
    • 유기발광다이오드 표시장치의 문턱전압 센싱 회로
    • 用于感应有机发光二极管显示装置的阈值电压的电路
    • KR1020130078182A
    • 2013-07-10
    • KR1020110146978
    • 2011-12-30
    • 주식회사 실리콘웍스
    • 김지훈이해원민경직손영준
    • G09G3/30
    • G09G3/3208G09G3/3233G09G2300/0842G09G2310/0289G09G2310/0294G09G2320/0233G09G2320/0295G09G2320/045
    • PURPOSE: A threshold voltage sensing circuit of an organic light emitting diode display device is provided to protect a low voltage driving device within an analog-to-digital converter by scaling and transmitting threshold voltage to low threshold voltage regions less than a specific value through charge sharing. CONSTITUTION: A threshold voltage sensing circuit includes a sample-and-hold unit (200) sampling and holding threshold voltage of pixel of an organic light emitting diode display device. Capacitors for sampling (CS) sample threshold voltage inputted after sensed from the organic light emitting diode. Capacitors for charge sharing (SVT_CS) charge shares the threshold voltage sampled by the capacitor for sampling or independently charges and bypasses the threshold voltage. A plurality of switches switch for sampling operation of the capacitors for sampling and charge sharing of the capacitors for charge sharing.
    • 目的:提供有机发光二极管显示装置的阈值电压检测电路,以通过缩小并将阈值电压发送到小于特定值的低阈值电压区域来保护模拟 - 数字转换器内的低电压驱动装置 分享。 构成:阈值电压检测电路包括采样和保持单元(200)对有机发光二极管显示装置的像素的采样和保持阈值电压。 用于从有机发光二极管感测后输入的采样(CS)采样阈值电压的电容器。 用于电荷共享的电容器(SVT_CS)共享由电容器采样的阈值电压进行采样或独立充电并绕过阈值电压。 多个开关用于对用于电荷共享的电容器进行采样和电荷共享的电容器的采样操作。
    • 4. 发明授权
    • 출력 드라이버의 출력전압 안정화 회로
    • 输出驱动器的输出电压稳定电路
    • KR101100060B1
    • 2011-12-29
    • KR1020100095823
    • 2010-10-01
    • 주식회사 실리콘웍스
    • 손영준김지훈정성완김언영나준호
    • G09G3/20G09G3/38
    • H03F1/308G06F1/26G09G2310/0275G09G2310/0291G09G2380/02
    • PURPOSE: An output voltage stabilizing circuit of an output driver is provided to maintain a constant voltage level by stabilizing an output voltage level of the output driver. CONSTITUTION: A power off pulse generator(510) generates a positive control signal and a negative control signal. A level shifter(520) converts a low potential data signal into a high potential data signal. A first reference value generator generates a first high potential current and a second high potential reference current. A second reference value generator generates a first low potential reference current and a second low potential reference current. An output driver(530) outputs an output signal in response to a positive control signal, a negative control signal, and a high potential data signal.
    • 目的:提供输出驱动器的输出稳压电路,通过稳定输出驱动器的输出电压电平来保持恒定的电压电平。 构成:断电脉冲发生器(510)产生正控制信号和负控制信号。 电平移位器(520)将低电位数据信号转换成高电位数据信号。 第一参考值发生器产生第一高电位电流和第二高电位参考电流。 第二参考值发生器产生第一低电位参考电流和第二低电位参考电流。 输出驱动器(530)响应于正控制信号,负控制信号和高电位数据信号输出输出信号。
    • 5. 发明授权
    • 축차근사형 아날로그/디지탈 변환기
    • 数字近似寄存器模拟数字转换器
    • KR101228827B1
    • 2013-02-01
    • KR1020100135721
    • 2010-12-27
    • 주식회사 실리콘웍스
    • 김지훈손영준나준호장영신이상국
    • H03M1/38
    • 본 발명은 축차근사형 아날로그/디지탈 변환기를 구현함에 있어서, 캐패시터 어레이를 사용하는 대신 전압분배 저항을 사용하여 설치 면적을 줄이고 반응속도를 향상시킬 수 있도록 한 것이다.
      이를 위해 본 발명은, 정극성입력전압과 부극성입력전압을 차동증폭하여 그에 따른 출력전류( ),( )를 발생하는 프리앰프부; 상기 출력전류( ), ( )를 비교하여 그에 따른 비트값을 출력하는 양자화기; 상기 양자화기의 출력 비트값에 따라 정극성디에이전압 및 부극성디에이전압을 선택하기 위한 분배전압선택신호를 출력하는 SAR 제어부; 상기 SAR 제어부에서 출력되는 분배전압선택신호에 따라 정극성디에이전압 및 부극성디에이전압을 선택하고 이들을 차동증폭하여 상기 출력전류( ),( )를 변화시키는 D/A 변환부를 구비한다.
      또한, 입력전압의 보다 넓은 스윙범위를 커버할 수 있도록 하기 위하여, 축차근사형 A/D 변환기의 전단에 코스 A/D 변환기를 추가하여 A/D 변환기를 2단으로 구성하였다.
    • 7. 发明公开
    • 프로그래머블 감마보정회로 및 상기 회로를 포함하는 소스구동 집적회로
    • 可编程电路校正电路和源驱动集成电路,包括电路
    • KR1020130078224A
    • 2013-07-10
    • KR1020110147041
    • 2011-12-30
    • 주식회사 실리콘웍스
    • 손영준김지훈김상우김유성
    • G09G3/20
    • G09G3/2007G09G2310/0291G09G2320/0276G09G2330/028
    • PURPOSE: Programmable gamma correction circuit and source driving integrated circuit are provided to reduce power consumption by making first and second power not flow through a resistor string. CONSTITUTION: A first resistor string (310) includes a plurality of resistors serially connected between an output terminal of a first buffer and an output terminal of a second buffer. A second resistor string (340) includes a plurality of resistors serially connected between the output terminal of the first buffer and the output terminal of the second buffer. A decoding block (320) outputs a plurality of decoding voltages decoding a part of node voltage in the node voltages of the plurality of serial resistors comprising the first resistor string. A buffering block (330) buffers the plurality of decoding voltages and transmits to the corresponding node in the nodes of the plurality of resistors.
    • 目的:提供可编程伽马校正电路和源极驱动集成电路,通过使第一和第二电源不通过电阻串来降低功耗。 构成:第一电阻串(310)包括串联连接在第一缓冲器的输出端和第二缓冲器的输出端之间的多个电阻器。 第二电阻串(340)包括串联连接在第一缓冲器的输出端和第二缓冲器的输出端之间的多个电阻器。 解码块(320)输出解码包括第一电阻串的多个串联电阻器的节点电压中节点电压的一部分的解码电压。 缓冲块(330)缓冲多个解码电压并将其发送到多个电阻器的节点中的相应节点。
    • 8. 发明公开
    • 전하 차감법 및 전하 전송 보간 방법이 적용된 디지털-아날로그 컨버터 회로
    • 使用电荷分析方法和电荷转移插值的数字模拟转换
    • KR1020110125345A
    • 2011-11-21
    • KR1020100044815
    • 2010-05-13
    • 주식회사 실리콘웍스
    • 김지훈손영준나준호배정열이상국
    • H03M1/66
    • H03M1/68H03M1/765H03M1/804
    • PURPOSE: A digital to analog converter circuit is provided to reduce the entire area of a digital to analog converter by reducing the number of resistance of a divider and the number of switches. CONSTITUTION: A resistance cell distributes voltage by each resistance divider. 2 bit 2-to-4 decoder groups(521,523a,523b,525a,525b) output voltage which corresponds by processing digital data divided in the resistance cell. Capacitor groups(531,533,535) are applied voltages(V1-V5) which are outputted from the 2 bit 2-to-4 decoder groups and execute electric charge by a charge subtraction method. The capacitor groups transfer electric charge by a charge transfer interpolation method. An operational amplifier(540) generates output voltage by receiving interpolation voltage corresponding to charge quantity which is transmitted from reference voltage and the capacitor group.
    • 目的:提供数模转换器电路,通过减少分频器的电阻数量和开关数量来减少数模转换器的整个面积。 构成:电阻单元通过每个电阻分压器分配电压。 2位2位至4位解码器组(521,523a,523b,525a,525b)输出电压,该电压对应于处理在电阻单元中划分的数字数据。 电容器组(531,533,535)是从2位2对4解码器组输出的施加电压(V1-V5),并通过电荷减法方法执行电荷。 电容器组通过电荷转移插值法传送电荷。 运算放大器(540)通过接收对应于从参考电压和电容器组发送的电荷量的内插电压来产生输出电压。
    • 9. 发明公开
    • 시스템 안정화 회로
    • 系统稳定电路
    • KR1020110073242A
    • 2011-06-29
    • KR1020100110706
    • 2010-11-09
    • 주식회사 실리콘웍스
    • 한윤택김지훈송현민손영준나준호
    • H03K17/22H03K19/0185H03K3/0231
    • H03K17/223H03K17/145H03K19/018521H03K2217/0036
    • PURPOSE: A system stabilizing circuit is provided to reduce power consumption and prevent the change of a output voltage level due to the change of supplying power. CONSTITUTION: A power off pulse generating part(210) is received a positive power voltage(VPOS) and a negative power voltage(VNEG). The power off pulse generating part generates a positive controlling signal(PD_POS) and a negative controlling signal(PD_NEG). A level shifter(220) converts a low electric potential data signal(LV DATA_1 to LV DATA_3) to a high electric potential data signal(HV DATA_1 to HV DATA_3). An output driver(230) outputs an output signal with a positive power voltage, a negative power voltage, or a ground voltage. The output driver includes a first switching part, a second switching part, and a driving part.
    • 目的:提供一种系统稳定电路,以降低功耗,防止由于供电变化引起的输出电压电平变化。 构成:断电脉冲产生部分(210)被接收正电源电压(VPOS)和负电源电压(VNEG)。 断电脉冲产生部分产生正控制信号(PD_POS)和负控制信号(PD_NEG)。 电平移位器(220)将低电位数据信号(LV DATA_1至LV DATA_3)转换为高电位数据信号(HV DATA_1至HV DATA_3)。 输出驱动器(230)输出具有正电源电压,负电源电压或接地电压的输出信号。 输出驱动器包括第一开关部件,第二开关部件和驱动部件。
    • 10. 发明公开
    • 전하 차감법을 적용한 디지털 아날로그 변환기
    • 数字到模拟转换器使用电荷分析方法
    • KR1020130052916A
    • 2013-05-23
    • KR1020110118255
    • 2011-11-14
    • 주식회사 실리콘웍스
    • 김지훈손영준나준호배정열
    • H03M1/66
    • H03M1/66H03M2201/61H03M2201/62H03M2201/8152H03M2201/932
    • PURPOSE: A digital analog converter which applies an electric charge subtraction method is provided to minimize errors of capacitors and relatively reduce a size of a decoder. CONSTITUTION: A control signal generating device(340) generates a switch control signal in response to digital data of N bits. A resistance string(310) comprises a first resistor array, a second resistor array, and a third resistor array which respectively divide multiple resistances which are connected between a reference voltage and a grounding voltage in series. A switch block(320) outputs a selection voltage by switching a part of voltage which is applied to any node of multiple serial resistances respectively included in the first resistor array, the second resistor array, and the third resistor array in response to the switch control signal. A conversion voltage generating block(330) generates a conversion voltage in response to a negative phase clock signal which is opposite to a positive phase clock signal.
    • 目的:提供一种应用电荷减法的数字模拟转换器,以最小化电容器的误差并相对减小解码器的尺寸。 构成:响应于N位的数字数据,控制信号产生装置(340)产生开关控制信号。 电阻串(310)包括分别分别连接在参考电压和接地电压之间的多个电阻的第一电阻器阵列,第二电阻器阵列和第三电阻器阵列。 开关块(320)响应于开关控制切换施加到分别包括在第一电阻器阵列,第二电阻器阵列和第三电阻器阵列中的多个串联电阻的任何节点的电压的一部分来输出选择电压 信号。 转换电压产生块(330)响应于与正相位时钟信号相反的负相位时钟信号产生转换电压。