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    • 2. 发明申请
    • LED light string and arrays with improved harmonics and optimized power utilization
    • LED灯串和阵列具有改进的谐波和优化的功率利用率
    • US20040201988A1
    • 2004-10-14
    • US10839335
    • 2004-05-06
    • FIBER OPTIC DESIGNS, INC.
    • David Allen
    • F21V021/00
    • H05B33/0821F21S4/10F21W2121/00F21Y2115/10H05B33/0803Y02B20/383
    • An AC driven LED light string assembly is provided possessing reduced harmonic distortion and improved electrical efficiency when one or more series blocks of LED lamps is employed. In one embodiment, there is provided an LED light string employing a capacitor coupled in parallel across the light string AC input, or end connector terminals. According to another embodiment, LED light strings are to be manufactured with a substantially equal number of light strings produced with all LEDs in forward bias (anode first) and reverse bias (cathode first). This allows true randomness when large numbers of single series block LED light strings are connected in an end-to-end manner. It is possible to apply this concept to single LED lamps having two chips where one chip is powered in reverse bias to the second chip; thereby providing self-canceling harmonics within the single LED lamp.
    • 提供了一种AC驱动的LED灯串组件,当使用一个或多个LED灯串时,具有降低的谐波失真和改善的电效率。 在一个实施例中,提供了采用在灯串AC输入或端子连接器端子上并联耦合的电容器的LED灯串。 根据另一个实施例,LED灯串将被制造成具有基本上相等数目的所有LED的正向偏压(阳极第一)和反向偏压(阴极第一)产生的光束。 这允许当大量单串联LED灯串以端到端的方式连接时的真实随机性。 可以将这一概念应用于具有两个芯片的单个LED灯,其中一个芯片以与第二芯片相反的偏压供电; 从而在单个LED灯内提供自消除谐波。
    • 3. 发明申请
    • Direct AC driven LED light string
    • 直接交流驱动LED灯串
    • US20040046510A1
    • 2004-03-11
    • US10657256
    • 2003-09-09
    • FIBER OPTIC DESIGNS, INC
    • Mark R. Allen
    • H05B037/00
    • H05B33/0809F21S8/00F21Y2103/00F21Y2115/10H05B33/0803
    • An LED light string employs a plurality of LEDs wired in block series-parallel, where the one or more series blocks, each driven at the same input voltage as the source voltage (110 VAC or 220 VAC), are coupled in parallel. The LED light string interfaces to the source voltage using a common household plug; it may also include a corresponding common, household socket, coupled in electrical parallel, to enable multiple light strings to be connected to each other from end to end. LEDs of the light string may comprise either a single color LED or an LED including multiple sub-dies each of a different color. The LED lenses may be of any shape, and may be clear, clear-colored, or diffuse-colored. Moreover, each LED may have internal circuitry to provide for intermittent on-off blinking and/or intermittent LED sub-die color changes.
    • LED灯串使用串联并联的多个LED,其中以与源电压(110VAC或220VAC)相同的输入电压驱动的一个或多个串联块并​​联耦合。 LED灯串使用普通家用插头连接到源电压; 它还可以包括相互并联的相应的公用家用插座,以使得多个灯串可以从一端到另一端相互连接。 灯串的LED可以包括单色LED或包括不同颜色的多个子模具的LED。 LED透镜可以是任何形状,并且可以是透明的,透明的或漫射的。 此外,每个LED可以具有内部电路,以提供间歇的开关闪烁和/或间歇LED子模具颜色变化。