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    • 92. 发明授权
    • Phase locked loop circuit having set initial locking level and control method thereof
    • 具有设定初始锁定电平的锁相环电路及其控制方法
    • US07646223B2
    • 2010-01-12
    • US11640965
    • 2006-12-19
    • Yong-Ju KimKun-Woo ParkHyung-Soo KimIc-Su OhHee-Woong SongJong-Woon KimTae-Jin Hwang
    • Yong-Ju KimKun-Woo ParkHyung-Soo KimIc-Su OhHee-Woong SongJong-Woon KimTae-Jin Hwang
    • H03L7/06
    • H03L7/107H03L7/1075
    • A phase locked loop circuit and a control method thereof. A phase locked loop circuit includes a phase detecting and correcting block configured to detect a phase difference between a reference clock and a feedback clock, and to correct the phase of the feedback clock such that the phase of the reference clock and the phase of the feedback clock are consistent with each other, and an initial locking level setting block configured to set a locking level in a normal operation mode in the phase detecting and correcting block. The initial locking level setting block includes a digital-to-analog converting unit configured to generate an analog voltage according to a digital code corresponding to the set frequency, and charges the capacitive element with the analog voltage, and a switching unit configured to connect the digital-to-analog converting unit and the capacitive element in response to an input of an operation start signal.
    • 一种锁相环电路及其控制方法。 锁相环电路包括相位检测和校正块,被配置为检测参考时钟和反馈时钟之间的相位差,并且校正反馈时钟的相位,使得参考时钟的相位和反馈的相位 时钟彼此一致,并且初始锁定电平设置块被配置为在相位检测和校正块中将正常操作模式中的锁定电平设置为1。 初始锁定电平设置块包括数模转换单元,被配置为根据与设定频率相对应的数字码产生模拟电压,并且用模拟电压对电容元件充电;以及开关单元,被配置为将 数字模拟转换单元和电容元件,以响应于操作开始信号的输入。
    • 94. 发明申请
    • DATA RECEIVER OF SEMICONDUCTOR INTEGRATED CIRCUIT
    • 半导体集成电路的数据接收器
    • US20090129459A1
    • 2009-05-21
    • US12177829
    • 2008-07-22
    • Hyung Soo KimKun Woo ParkYong Ju KimHee Woong SongIc Su OhTae Jin HwangHae Rang ChoiJi Wang Lee
    • Hyung Soo KimKun Woo ParkYong Ju KimHee Woong SongIc Su OhTae Jin HwangHae Rang ChoiJi Wang Lee
    • H03K5/159
    • H03K19/09425
    • A semiconductor integrated circuit equipped with an equalizer which has a circuit structure simpler than that of a related equalizer according to an FFE scheme or a DFE scheme and is capable of preventing a noise component from being amplified. The data receiver includes a plurality of receiver units, wherein each receiver unit includes a plurality of level detectors which detect different levels, and an encoder, in which the level detectors receive data according to a clock signal having a predetermined phase difference and perform an amplification operation including an equalization function based on feedback data, thereby outputting an amplification signal, and wherein level detectors of one receiver unit receive an amplification signal, as the feedback data, from level detectors of another receiver unit that receives a first clock signal having a phase more advanced than a phase of a second clock signal received in one receiver unit.
    • 一种配备有均衡器的半导体集成电路,其具有比根据FFE方案或DFE方案的相关均衡器的电路结构简单的电路结构,并且能够防止噪声分量被放大。 数据接收机包括多个接收机单元,其中每个接收机单元包括检测不同电平的多个电平检测器和编码器,其中电平检测器根据具有预定相位差的时钟信号接收数据并执行放大 操作包括基于反馈数据的均衡功能,从而输出放大信号,并且其中一个接收器单元的电平检测器从另一接收器单元的电平检测器接收作为反馈数据的放大信号,该接收器单元接收具有相位的第一时钟信号 比在一个接收机单元中接收的第二时钟信号的相位更先进。
    • 95. 发明申请
    • DATA OUTPUT CIRCUIT FOR SEMICONDUCTOR MEMORY APPARATUS
    • 半导体存储器的数据输出电路
    • US20090067278A1
    • 2009-03-12
    • US12169568
    • 2008-07-08
    • Hae Rang ChoiKun Woo ParkYong Ju KimHee Woong SongIc Su OhHyung Soo KimTae Jin HwangJi Wang Lee
    • Hae Rang ChoiKun Woo ParkYong Ju KimHee Woong SongIc Su OhHyung Soo KimTae Jin HwangJi Wang Lee
    • G11C8/08
    • G11C7/1051G11C7/1057G11C29/028G11C29/1201G11C29/50
    • A data output circuit for a semiconductor memory apparatus includes a driver control signal generating unit that has a plurality of control signal generating units, each of which generates a driver unit control signal in response to a test signal during a test, and generates the driver unit control signal according to whether or not a fuse is cut after the test is completed, a first driver that has a plurality of driver units, each of which is activated in response to the driver unit control signal to drive a first data signal as an input signal and to output the driven first data signal to an output node, a signal combining unit that generates a first driver control signal in response to the driver unit control signal and an enable signal, and a second driver that has a plurality of driver units, each of which is activated in response to the first driver control signal to drive a second data signal as an input signal and to output the driven second data signal to the output node, and the number of driver units being two or more times as much as the number of driver units in the first driver. A voltage level on the output node is the voltage level of an output signal.
    • 一种用于半导体存储装置的数据输出电路,包括具有多个控制信号生成单元的驱动器控制信号生成单元,每个控制信号生成单元响应于测试期间的测试信号生成驱动单元控制信号,并且生成驱动单元 根据在测试完成之后是否切断熔丝的控制信号,具有多个驱动单元的第一驱动器,每个驱动器单元响应于驱动单元控制信号被激活以驱动第一数据信号作为输入 信号并将驱动的第一数据信号输出到输出节点;响应于驱动单元控制信号和使能信号产生第一驱动器控制信号的信号组合单元,以及具有多个驱动器单元的第二驱动器, 其中的每一个响应于第一驱动器控制信号被激活,以驱动第二数据信号作为输入信号,并将驱动的第二数据信号输出到输出节点;以及 驱动器单元的数量是第一驱动器中的驱动器单元的数量的两倍或更多倍。 输出节点上的电压电平是输出信号的电压电平。
    • 98. 发明申请
    • Organic light emitting display and driving method thereof
    • 有机发光显示器及其驱动方法
    • US20090027369A1
    • 2009-01-29
    • US12219602
    • 2008-07-24
    • Wang-jo LeeBo-yong ChungSang-moo ChoiHyung-soo Kim
    • Wang-jo LeeBo-yong ChungSang-moo ChoiHyung-soo Kim
    • G09G5/00G09G3/30
    • G09G3/3275G09G3/20G09G3/2022G09G2310/0235G09G2310/0291G09G2310/0297
    • An organic light emitting display configured to be driven using a frame divided into a plurality of sub-frames includes a data driver configured to supply a plurality of data signals to output lines during a first period of one horizontal period of the sub-frame, a scan driver configured to sequentially supply a scan signal to scan lines during a second period of the one horizontal period of the sub-frame, a demultiplexer coupled to each output line, the demultiplexer being configured to supply the data signals to a plurality of data lines, buffers configured to supply buffers supplying signals from the demulitplexers to the data lines, the buffers including PMOS transistors, and pixels disposed at intersections of the scan lines and the data lines, the pixels being configured to display images corresponding to the data signals.
    • 配置为使用划分为多个子帧的帧来驱动的有机发光显示器包括数据驱动器,被配置为在子帧的一个水平周期的第一周期期间将多个数据信号提供给输出行, 扫描驱动器,其被配置为在所述子帧的所述一个水平周期的第二周期期间将扫描信号顺序地提供给扫描线,耦合到每个输出线的解复用器,所述解复用器被配置为将数据信号提供给多个数据线 缓冲器,被配置为提供从所述解复用器向数据线提供信号的缓冲器,所述缓冲器包括PMOS晶体管,以及设置在所述扫描线和所述数据线的交点处的像素,所述像素被配置为显示对应于所述数据信号的图像。