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    • 1. 发明申请
    • LIQUID CRYSTAL DISPLAY
    • 液晶显示器
    • US20100134464A1
    • 2010-06-03
    • US12542194
    • 2009-08-17
    • Jin-Hwan JeonJong-Ho LimByung-Sam Min
    • Jin-Hwan JeonJong-Ho LimByung-Sam Min
    • G09G3/36
    • G02F1/133604G02F1/133603G02F2001/133612G09G3/3406
    • A liquid crystal display (LCD) device includes: a liquid crystal panel; a plurality of fluorescent lamps disposed under the liquid crystal panel, supplying light to the liquid crystal panel, and having electrodes provided at both ends thereof; a balance printed circuit board (PCB) disposed at both ends of the plurality of fluorescent lamps and including a clip fastened to be electrically connected with the electrodes of the fluorescent lamps; a power supply line printed on the balance PCB so as to be electrically connected to the clip and supplying power to the electrodes of the fluorescent lamps; a first voltage induction line printed with a first area on the balance PCB at a first interval from the power supply line; a second voltage induction line printed with a second area on the balance PCB at a second interval from the power supply line; and a light emitting diode (LED) mounted on the balance PCB and having an anode connected to the first voltage induction line and a cathode connected to the second voltage induction line, wherein the first area is larger than the second area, the first interval is smaller than the second interval, the power supply line and the first voltage induction line form a first capacitor, and the power supply line and the second voltage induction line form a second capacitor.
    • 液晶显示器(LCD)装置包括:液晶面板; 设置在液晶面板的下方的多个荧光灯,向液晶面板供给光,并且在其两端设置电极; 平衡印刷电路板(PCB),其设置在所述多个荧光灯的两端,并且包括固定以与所述荧光灯的电极电连接的夹子; 印刷在平衡PCB上的电源线,以电连接到夹子并向荧光灯的电极供电; 第一电压感应线,从所述电源线以第一间隔印刷在所述天平PCB上的第一区域; 第二电压感应线,以距离电源线的第二间隔在平衡PCB上印刷第二区域; 以及安装在所述天平PCB上并具有连接到所述第一电压感应线的阳极和连接到所述第二电压感应线的阴极的发光二极管(LED),其中所述第一区域大于所述第二区域,所述第一区间是 小于第二间隔,电源线和第一电压感应线形成第一电容器,并且电源线和第二电压感应线形成第二电容器。
    • 2. 发明授权
    • Liquid crystal display device
    • 液晶显示装置
    • US08284180B2
    • 2012-10-09
    • US12542194
    • 2009-08-17
    • Jin-Hwan JeonJong-Ho LimByung-Sam Min
    • Jin-Hwan JeonJong-Ho LimByung-Sam Min
    • G09G5/00
    • G02F1/133604G02F1/133603G02F2001/133612G09G3/3406
    • The present disclosure relates to a liquid crystal display (LCD) device and, more particularly, to an LCD device capable of driving a light emitting diode (LED) provided to turn on a fluorescent lamp provided as a light source in darkness by using an induced voltage without employing a driving circuit to thus minimize a fabrication cost and power consumption.An LCD device according to the embodiment of the present invention, when the power voltage is applied to the power supply line to drive the fluorescent lamp, the LED is driven by the power voltage and, at the same time, the power voltage is supplied also to the fluorescent lamp. Thus, light emitted from the LED helps early turn on the fluorescent lamp when the fluorescent lamp is driven in darkness.
    • 本发明涉及一种液晶显示器(LCD)器件,更具体地说,涉及一种能够驱动发光二极管(LED)的LCD器件,该发光二极管(LED)用于通过使用感应器来驱动在黑暗中设置为光源的荧光灯 电压而不采用驱动电路从而使制造成本和功耗最小化。 根据本发明实施例的LCD装置,当电源电压施加到电源线以驱动荧光灯时,LED由电源电压驱动,并且同时还提供电源电压 到荧光灯。 因此,当在黑暗中驱动荧光灯时,从LED发出的光有助于提前打开荧光灯。