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    • 6. 发明申请
    • METHOD AND DEVICE FOR DECODING LOW DENSITY PARITY CHECK CODE
    • 用于解密低密度奇偶校验码的方法和装置
    • US20090172493A1
    • 2009-07-02
    • US12342945
    • 2008-12-23
    • Beom-Jin PARKCongchong RUDan WANGLijun WEISung-Jin PARK
    • Beom-Jin PARKCongchong RUDan WANGLijun WEISung-Jin PARK
    • H03M13/05G06F11/07
    • H03M13/1137H03M13/1114H03M13/1131H03M13/1134H03M13/114H03M13/1165H03M13/6505H03M13/6544
    • An apparatus for decoding a Low Density Parity Check (LDPC) is provided. The apparatus includes a variable node message memory for storing a variable node message vector, a controller for controlling a node computing unit to read from and write to the variable node message memory and controlling an iteration process for the apparatus, and a node computing unit for updating a check node message and a variable node message, and determining a hard decision message, the node computing unit includes a variable node message generation unit for determining the variable node message for use in a check node message calculation unit according to the variable node message vector, a check node message calculation unit for updating the check node message, a variable node message updating unit for updating a corresponding variable node message, a hard decision calculation unit for determining the hard decision message for a corresponding variable node, and a parity check unit for determining a parity bit and outputting the parity bit to a decoding termination controller.
    • 提供了一种用于解码低密度奇偶校验(LDPC)的设备。 该装置包括用于存储可变节点消息向量的可变节点消息存储器,用于控制节点计算单元从可变节点消息存储器读取和写入并控制该装置的迭代处理的控制器,以及用于 更新校验节点消息和可变节点消息,并且确定硬判决消息,所述节点计算单元包括可变节点消息生成单元,用于根据所述变量节点消息确定用于校验节点消息计算单元中的变量节点消息 向量,用于更新校验节点消息的校验节点消息计算单元,用于更新对应的可变节点消息的变量节点消息更新单元,用于确定相应变量节点的硬判决消息的硬判决计算单元,以及奇偶校验 用于确定奇偶校验位并将奇偶校验位输出到解码终端控制器的单元。
    • 7. 发明申请
    • DRIVING CIRCUIT FOR LCD BACKLIGHT SOURCE
    • 液晶背光源驱动电路
    • US20120249008A1
    • 2012-10-04
    • US13433741
    • 2012-03-29
    • Liang ZHANGDan WANGWeihai LIShuai HOUXingji WU
    • Liang ZHANGDan WANGWeihai LIShuai HOUXingji WU
    • H05B37/02
    • H05B33/0815
    • A driving circuit for a LCD backlight source comprising a BOOST structure which comprises a capacitor C12, a capacitor C13, an inductor L2, a diode D2, and a MOSFET, wherein the driving circuit further comprises a capacitor C11, a capacitor C14, a diode D3, and a diode D4. One terminal of the diode D3 is connected to one terminal of the capacitor C13, and the other terminal is connected to one terminal of the diode D4; the other terminal of the diode D4 is connected to one terminal of the capacitor C14 which is the output terminal of the circuit, and the other terminal of the capacitor C14 is grounded; one terminal of the capacitor C11 is connected between the inductor L2 and the diode D2, and the other terminal of the capacitor C11 is connected between the diode D3 and the diode D4.
    • 一种用于LCD背光源的驱动电路,包括包括电容器C12,电容器C13,电感器L2,二极管D2和MOSFET的BOOST结构,其中驱动电路还包括电容器C11,电容器C14,二极管 D3和二极管D4。 二极管D3的一个端子连接到电容器C13的一个端子,另一个端子连接到二极管D4的一个端子; 二极管D4的另一个端子连接到作为电路的输出端子的电容器C14的一个端子,并且电容器C14的另一个端子接地; 电容器C11的一个端子连接在电感器L2和二极管D2之间,电容器C11的另一端连接在二极管D3和二极管D4之间。
    • 8. 发明申请
    • THIN FILM TRANSISTOR-LIQUID CRYSTAL DISPLAY DEVICE AND ITS DRIVING METHOD
    • 薄膜晶体管液晶显示器件及其驱动方法
    • US20100091210A1
    • 2010-04-15
    • US12574836
    • 2009-10-07
    • Ming CHENDan WANG
    • Ming CHENDan WANG
    • G09G3/36G02F1/1335
    • G09G3/3614G02F1/133514G02F1/134336G02F1/1368G02F2001/134318G02F2201/121G09G3/3655G09G2300/0426G09G2330/021
    • The invention discloses a TFT-LCD and its driving method, TFT-LCD comprises an array substrate and a color filter substrate, a common electrode on said color filter substrate being divided into multiple columns, each of which corresponding to one column of pixels; on color filter substrate, odd number columns are first common electrodes, even number columns are second common electrodes; difference between voltages input to said first common electrodes and said second common electrodes is larger than zero and less than dynamic range of driving voltage of liquid crystal driving voltage-transmittance curve. By setting two common electrode voltages, TFT-LCD and its driving method provided by the invention can make dynamic range of input voltage required for driving liquid crystal display device be smaller than dynamic range of driving voltage of liquid crystal driving voltage-transmittance curve, thus reducing power consumption during driving the liquid crystal.
    • 本发明公开了一种TFT-LCD及其驱动方法,TFT-LCD包括阵列基板和滤色器基板,所述滤色器基板上的公共电极被分成多列,每一列对应于一列像素; 在彩色滤光片基板上,奇数列是第一公共电极,偶数列是第二公共电极; 输入到所述第一公共电极和所述第二公共电极的电压之差大于零且小于液晶驱动电压 - 透射率曲线的驱动电压的动态范围。 通过设置两个公共电极电压,本发明提供的TFT-LCD及其驱动方法可以使驱动液晶显示装置所需的输入电压的动态范围小于液晶驱动电压 - 透射率曲线的驱动电压的动态范围,因此 降低驱动液晶时的功耗。