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    • 2. 发明授权
    • Light source driver
    • 光源驱动
    • US08471499B2
    • 2013-06-25
    • US13213267
    • 2011-08-19
    • Jae Eun UmJa Min KooJae Kyu Park
    • Jae Eun UmJa Min KooJae Kyu Park
    • H05B37/02
    • H05B33/0866G09G3/3426G09G2310/024G09G2320/064G09G2330/00H05B33/0827
    • A light emitting diode (LED) driver is provided that includes a light emitting diode, a converter connected to the light emitting diode, wherein the converter receives an input voltage and converts the input voltage to a basic voltage for driving the light emitting diode, a current regulator connected to the light emitting diode, a first operational amplifier connected to the current regulator, an analog dimming voltage generating unit including a second operational amplifier, a first resistor, a second resistor, and a third resistor, wherein a first terminal of the first resistor, a first terminal of the second resistor, and a first terminal of the third resistor are connected to a non-inversion terminal of the second operational amplifier, and connected to the first operational amplifier, and a pulse-width-modulation dimming pulse generating unit connected to a second terminal of the third resistor.
    • 提供了一种发光二极管(LED)驱动器,其包括发光二极管,连接到发光二极管的转换器,其中转换器接收输入电压并将输入电压转换为用于驱动发光二极管的基本电压, 连接到发光二极管的电流调节器,连接到电流调节器的第一运算放大器,包括第二运算放大器,第一电阻器,第二电阻器和第三电阻器的模拟调光电压产生单元,其中, 第一电阻器,第二电阻器的第一端子和第三电阻器的第一端子连接到第二运算放大器的非反相端子,并连接到第一运算放大器,以及脉冲宽度调制调光脉冲 连接到第三电阻器的第二端子的发电单元。
    • 5. 发明授权
    • Power supplying module and backlight assembly
    • 电源模块和背光组件
    • US08613522B2
    • 2013-12-24
    • US13197992
    • 2011-08-04
    • Won-Hyoung KangMin-Gyu KimJae-Eun UmKyun-ho Kim
    • Won-Hyoung KangMin-Gyu KimJae-Eun UmKyun-ho Kim
    • F21V33/00
    • H01R12/721
    • A power supplying module includes a printed circuit board (PCB), a transformer, a circuit pattern, and an output terminal. The PCB includes a first socket connector protruded from a side toward a second direction. The side extends along a first direction different from the second direction. At least one corner portion of the first socket connector includes a chamfered edge connecting first and second edges respectively extending in the first and second directions. The transformer is formed on the PCB. The circuit pattern is formed on the PCB and connected to the transformer. The output terminal is formed at the first socket connector and connected to the circuit pattern.
    • 电源模块包括印刷电路板(PCB),变压器,电路图案和输出端子。 PCB包括从一侧向第二方向突出的第一插座连接器。 该侧沿着与第二方向不同的第一方向延伸。 第一插座连接器的至少一个角部包括连接分别在第一和第二方向上延伸的第一和第二边缘的倒角边缘。 变压器形成在PCB上。 电路图案形成在PCB上并连接到变压器。 输出端子形成在第一插座连接器处并连接到电路图案。