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    • 3. 发明申请
    • APPARATUS AND METHOD FOR SENSING ROTOR POSITION AND ELECTRIC POWER STEERING SYSTEM USING THE SAME
    • 用于感测转子位置的装置和方法以及使用该方法的电动转向系统
    • US20110057821A1
    • 2011-03-10
    • US12873575
    • 2010-09-01
    • Hyeok Kim
    • Hyeok Kim
    • H03M1/48
    • H03M1/1009G01D5/2454H03M1/143
    • Disclosed are an apparatus and method for sensing a rotor position, and an electric power steering system using the same. The rotor position sensing apparatus includes: an absolute position sensor for sensing absolute position information for a rotor; a pulse generator for generating increment pulses with a predetermined period; a rotor position estimating unit for calculating the rotor position using the absolute position information and the number of the increment pulses counted in synchronization with the absolute position information at the time of sampling, wherein the rotor position estimating unit re-calculates the calculated rotor position by adding one or more increment values to the number of the increment pulses if the number of the increment pulses equals to the number of increment pulses at the time of just previous sampling; and an output unit for generating a signal having information concerning the calculated rotor position or the re-calculated rotor position, wherein the increment value is proportional to the rotor rotation speed and the sampling period.
    • 公开了一种用于感测转子位置的装置和方法,以及使用该转子位置的电动助力转向系统。 转子位置检测装置包括:绝对位置传感器,用于检测转子的绝对位置信息; 用于产生具有预定周期的增量脉冲的脉冲发生器; 转子位置估计单元,用于使用绝对位置信息和与采样时的绝对位置信息同步计数的增量脉冲数来计算转子位置,其中,转子位置估计单元重新计算所计算的转子位置, 如果增量脉冲的数量等于恰好在先前采样时的增量脉冲数,则将一个或多个增量值加到增量脉冲数; 以及输出单元,用于产生具有关于所计算的转子位置或重新计算的转子位置的信息的信号,其中增量值与转子旋转速度和采样周期成比例。
    • 5. 发明申请
    • Liquid crystal display device
    • 液晶显示装置
    • US20080094542A1
    • 2008-04-24
    • US11822154
    • 2007-07-02
    • Jong-Hyeok Kim
    • Jong-Hyeok Kim
    • G02F1/13357
    • G02F1/133608G02F1/133615
    • The present invention relates to a liquid crystal display device connecting between an inverter and a lamp without a solder, the liquid crystal display device comprising a liquid crystal display panel; a light source providing light to the rear of the liquid crystal display panel, and comprising a light source body in the shape of the column and a light source electrode disposed at the both ends of the light source body; an inverter providing power for the light source; a light source wire connecting between the inverter and the light source electrode, and having a connecting terminal ring-shaped at the one end; an electric conduction terminal having an electrode inserting cavity for accommodating the light source electrode at the one end and a coupling cavity for coupling with a coupling means passing through the connecting terminal ring-shaped at the other end; and a coupling member having a electric conduction terminal accommodating hole exposing the electrode inserting cavity and the coupling cavity of the electric conduction terminal by accommodating the electric conduction terminal. Thus, the present invention provides a liquid crystal display device enhanced the production and efficiency on the assembly process.
    • 液晶显示装置技术领域本发明涉及连接逆变器和没有焊料的灯的液晶显示装置,该液晶显示装置包括液晶显示面板; 向液晶显示面板的后方提供光的光源,并且包括呈列状的光源体和配置在光源体的两端的光源电极; 为光源提供电力的逆变器; 连接在逆变器和光源电极之间的光源线,并且在一端具有环形的连接端子; 导电端子,其具有用于容纳一端的光源电极的电极插入腔和用于与通过另一端环状连接端子的耦合装置耦合的耦合腔; 以及耦合构件,具有通过容纳导电端子而使导电端子的电极插入腔和耦合腔暴露的导电端子容纳孔。 因此,本发明提供了一种液晶显示装置,其增强了组装过程的生产和效率。
    • 9. 发明授权
    • Backlight unit and liquid crystal display device including the same
    • 背光单元和包括其的液晶显示装置
    • US08373820B2
    • 2013-02-12
    • US12643401
    • 2009-12-21
    • Sang-Hyun LeeDong-Hyeok Kim
    • Sang-Hyun LeeDong-Hyeok Kim
    • G02F1/1335
    • G02B6/0061G02B6/0035G02B6/0068G02B6/0076
    • A backlight unit for a liquid crystal display device includes a reflection plate, first and second light guide plates over the reflection plate, the second light guide plate disposed between the first light guide plate and the reflection plate, wherein the first light guide plate includes first and second sections alternating with each other, and the second light guide plate includes third and fourth sections alternating with each other, the first and third sections having patterns at rear surfaces, the second and fourth sections excluding patterns, wherein the first section corresponds to the fourth section, and the second section corresponds to the third section, first and second light-emitting diode (LED) assemblies at opposite sides of the first and second light guide plates, each of the first and second LED assemblies including LEDs arranged in first and second lines, and a plurality of optical sheets over the first light guide plate, wherein the LEDs of the first lines of the first and second LED assemblies face opposite side surfaces of the first light guide plate, and the LEDs of the second lines of the first and second LED assemblies face opposite side surfaces of the second light guide plate.
    • 液晶显示装置的背光单元包括反射板,反射板上的第一和第二导光板,设置在第一导光板和反射板之间的第二导光板,其中第一导光板包括第一导光板 第二部分彼此交替,并且第二导光板包括彼此交替的第三和第四部分,第一和第三部分在后表面具有图案,第二部分和第四部分不包括图案,其中第一部分对应于 第二部分对应于在第一和第二导光板的相对侧的第一和第二发光二极管(LED)组件的第三部分,第一和第二LED组件中的每一个包括首先布置的LED和 第二线,以及在第一导光板上的多个光学片,其中冷杉的第一线的LED 第一和第二LED组件面对第一导光板的相对侧表面,并且第一和第二LED组件的第二线的LED面对第二导光板的相对侧表面。