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    • 2. 发明申请
    • LED DRIVER FOR IMPROVING POWER FACTOR
    • 用于改善功率因数的LED驱动器
    • WO2012138200A3
    • 2012-12-06
    • PCT/KR2012002672
    • 2012-04-09
    • MRCLAB CO LTDSNU R&DB FOUNDATIONKIM JAE HAKANG EUN CHUL
    • KIM JAE HAKANG EUN CHUL
    • H05B37/02
    • H05B33/0818
    • The LED driver comprises: a power supply portion for supplying an input voltage; an inductor for receiving the input voltage and charging energy from the input voltage, wherein the energy drives at least one LED; a control portion for outputting a control signal based on the input voltage and an inductor current which flows in the inductor; and a switch, which is switched according to the control signal, for supplying the charged energy to the LEDs. When compared to existing boost converter-type LED drivers, the present invention allows direct control on an input current, rather than controlling an output voltage, by eliminating a capacitor element, which is connected in parallel to an output end of the LED, and a rectifier diode which is serially connected between the inductor and one end of the LED, thereby improving the power factor.
    • LED驱动器包括:用于提供输入电压的电源部分; 用于从所述输入电压接收输入电压和充电能量的电感器,其中所述能量驱动至少一个LED; 控制部分,用于输出基于输入电压的控制信号和在电感器中流动的电感器电流; 以及根据控制信号切换用于向LED提供带电能量的开关。 与现有的升压转换器型LED驱动器相比,本发明通过消除与LED的输出端并联连接的电容器元件,可以直接控制输入电流而不是控制输出电压, 整流二极管串联连接在电感器和LED的一端之间,从而提高功率因数。
    • 5. 发明申请
    • DRIED OLIGONUCLEOTIDE COMPOSITION AND METHOD OF PRODUCING THE SAME
    • 干燥寡核苷酸组合物及其制备方法
    • WO2007094581A1
    • 2007-08-23
    • PCT/KR2007/000662
    • 2007-02-07
    • BIONEER CORPORATIONPARK, Han OhKIM, Jae Ha
    • PARK, Han OhKIM, Jae Ha
    • C07H21/00
    • C07H21/00
    • The present invention relates to a dried oligonucleotide composition and a method for producing the same. More specifically, it relates to a dried oligonucleotide composition produced by the steps comprising adding a substance for preventing the oligonucleotide from being separated and lost, which is adhesive to a storage container containing the oligonucleotide composition, in order to prevent the oligonucleotide from being separated and lost during manufacturing and distributing the dried oligonucleotide composition, optionally adding a non-reactive dye substance, and drying the resulting solution. The dried oligonucleotide composition of the present invention can be prevented from being separated and lost during manufacturing step, or transporting step after packaging, and the presence or absence of the oligonucleotide in the storage container can be easily confirmed with naked eyes. Accordingly, unnecessary labor waste and time waste caused by the separation of the oligonucleotide upon experiment can be overcome.
    • 本发明涉及干燥的寡核苷酸组合物及其制备方法。 更具体地说,涉及通过以下步骤制备的干燥的寡核苷酸组合物:为了防止寡核苷酸分离,添加防止寡核苷酸分离和丢失的物质,其与含有寡核苷酸组合物的储存容器粘合, 在制备和分配干燥的寡核苷酸组合物期间损失,任选地加入非活性染料物质,并干燥所得溶液。 可以防止本发明的干燥的寡核苷酸组合物在制造步骤或包装后的运输步骤中分离和丢失,并且可以用肉眼容易地确认存储容器中存在或不存在寡核苷酸。 因此,可以克服由实验中的寡核苷酸分离引起的不必要的劳动力浪费和时间浪费。