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    • 2. 发明申请
    • BRIGHTNESS ADJUSTING DEVICE AND LIQUID CRYSTAL DISPLAY HAVING THE SAME
    • 亮度调节装置和液晶显示器
    • US20080062105A1
    • 2008-03-13
    • US11853631
    • 2007-09-11
    • Song-Yi HANTatsuhisa SHIMURAOsamu SENGOKU
    • Song-Yi HANTatsuhisa SHIMURAOsamu SENGOKU
    • G09G3/36G09G5/10
    • H05B41/3927
    • A brightness adjusting device includes a multiplication circuit, which multiplies a vertical signal by a predetermined multiplication ratio to output a multiplication signal, a differential circuit that distinguishes between different multiplication signals, a serrated wave generator that charges/discharges a condenser according to a signal output from the differential circuit and generates a serrated wave having constant amplitude independently of a frequency of the multiplication signal, a brightness adjusting voltage generator that generates a reference voltage to determine a pulse duty, and a comparator that outputs a pulse signal by comparing a voltage of the serrated wave with the brightness adjusting voltage. The brightness adjusting voltage generator includes a circuit that outputs a variable voltage, and the multiplication circuit includes a circuit having a variable multiplication ratio.
    • 亮度调节装置包括乘法电路,该乘法电路将垂直信号乘以预定乘法比率以输出乘法信号,区分不同乘法信号的差分电路,根据信号输出对冷凝器进行充放电的锯齿波发生器 从所述差分电路产生与所述乘法信号的频率无关的具有恒定幅度的锯齿波,生成参考电压以确定脉冲占空比的亮度调节电压发生器,以及比较器,通过比较所述脉冲占空比的电压 锯齿波具有亮度调节电压。 亮度调节电压发生器包括输出可变电压的电路,并且乘法电路包括具有可变倍率的电路。
    • 4. 发明申请
    • INVERTER CIRCUIT, BACKLIGHT ASSEMBLY AND LIQUID CRYSTAL DISPLAY WITH THE SAME
    • 逆变器电路,背光组件和液晶显示器
    • US20070120502A1
    • 2007-05-31
    • US11560645
    • 2006-11-16
    • Tatsuhisa SHIMURATakashi KINOSHITAOsamu SENGOKU
    • Tatsuhisa SHIMURATakashi KINOSHITAOsamu SENGOKU
    • H05B41/24
    • H05B41/2822
    • An inverter circuit, a backlight assembly and a liquid crystal display include first and second electrodes and a balance circuit. The first and second electrodes supply a voltage of opposite polarities, respectively, among an even number of cold cathode fluorescent lamps (CCFLs) disposed in one direction. The first and second electrodes supply the voltage of opposite polarities to even-numbered CCFLs and odd-numbered CCFLs, respectively. The balance circuit controls currents flowing through the CCFLs. The CCFLs are halved into a first group higher in temperature and a second group lower in temperature than the first group. The balance circuit includes primary coils directly connected between at least one CCFL of the first group and at least one CCFL of the second group and secondary coils corresponding to the primary coils that are connected to each other to form a loop.
    • 逆变器电路,背光组件和液晶显示器包括第一和第二电极和平衡电路。 第一和第二电极分别在一个方向上设置的偶数冷阴极荧光灯(CCFL)中提供相反极性的电压。 第一和第二电极分别向偶数CCFL和奇数CCFL提供相反极性的电压。 平衡电路控制流过CCFL的电流。 CCFL的温度降低到第一组,第二组的温度低于第一组。 平衡电路包括直接连接在第一组的至少一个CCFL和第二组的至少一个CCFL之间的初级线圈和对应于彼此连接以形成环路的初级线圈的次级线圈。
    • 6. 发明申请
    • INVERTER CIRCUIT AND BACKLIGHT ASSEMBLY HAVING THE SAME
    • 逆变器电路和背光组件
    • US20080061709A1
    • 2008-03-13
    • US11851743
    • 2007-09-07
    • Tatsuhisa SHIMURAOsamu SENGOKU
    • Tatsuhisa SHIMURAOsamu SENGOKU
    • H05B41/24G01R31/06
    • H05B41/2822
    • An inverter circuit includes a power supply which outputs an alternating current voltage, an inverter transformer having one primary coil connected to an output terminal of the power supply and pairs of secondary coils which supply an alternating current high voltage, induced by the one primary coil, to pairs of discharge tubes and a plurality of balance transformers having primary coils serially connected between respective pairs of the pairs of secondary coils of the inverter transformer, and having secondary coils corresponding to the primary coils of the plurality of balance transformers, wherein the secondary coils of the plurality of balance transformers are serially connected to form a loop.
    • 逆变器电路包括输出交流电压的电源,具有连接到电源的输出端的一个初级线圈的逆变器变压器和由一个初级线圈感应的提供交流高压的次级线圈对, 成对放电管和多个平衡变压器,其具有串联连接在逆变器变压器的各对次级线圈对之间的初级线圈,并且具有对应于多个平衡变压器的初级线圈的次级线圈,其中次级线圈 多个平衡变压器串联连接形成回路。