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    • 2. 发明申请
    • Light emitting device for alternating current source
    • 交流电源用发光装置
    • US20080185595A1
    • 2008-08-07
    • US12068392
    • 2008-02-06
    • Won Ha MoonChang Hwan ChoiHyun Jun Kim
    • Won Ha MoonChang Hwan ChoiHyun Jun Kim
    • H01L33/00
    • H01L33/0016H01L33/08H01L33/32
    • There is provided a light emitting device that can reduce the size of a light emitting device module by using a more simplified light emitting device that directly uses an alternating current source, prevent a decrease in luminous efficiency that is caused due to the use of a separate driving device, solve a problem with an ohmic contact of a p-type electrode, reduce the number of electrodes, and secure a larger area of light emission. A light emitting device for an alternating current source according to an aspect of the invention includes a first conductive type first semiconductor layer, a first electrode formed on the first conductive type first semiconductor layer and electrically connected to the alternating current source, a second conductive type second semiconductor layer formed on the first conductive type first semiconductor layer, a first conductive type third semiconductor layer formed on the second conductive type second semiconductor layer, and a second electrode formed on the third semiconductor layer and electrically connected to the alternating current source. Here, the light emitting device operates in response to a voltage from the alternating current source through the first electrode and the second electrode.
    • 提供了一种发光装置,其可以通过使用直接使用交流电源的更简化的发光装置来减小发光装置模块的尺寸,防止由于使用单独的使用而导致的发光效率的降低 驱动装置,解决p型电极的欧姆接触的问题,减少电极的数量,并确保更大的发光面积。 根据本发明的一个方面的用于交流电源的发光器件包括第一导电型第一半导体层,形成在第一导电型第一半导体层上并与电流源电连接的第一电极,第二导电型 形成在第一导电型第一半导体层上的第二半导体层,形成在第二导电型第二半导体层上的第一导电型第三半导体层和形成在第三半导体层上并与电流源电连接的第二电极。 这里,发光装置响应于来自交流电源的电压通过第一电极和第二电极而工作。
    • 6. 发明申请
    • SOLAR CELL
    • 太阳能电池
    • US20090145477A1
    • 2009-06-11
    • US12193831
    • 2008-08-19
    • Won Ha MoonChang Hwan Choi
    • Won Ha MoonChang Hwan Choi
    • H01L31/00
    • H01L31/035281H01L31/03529H01L31/062Y02E10/50
    • There is provided a solar cell including: a substrate; and an energy absorption structure formed on the substrate, the energy absorption structure including a metal layer, a semiconductor layer and an insulator formed therebetween, wherein at least one of the metal layer, the semiconductor layer and the insulator is formed of a plurality of nanowire structures. The solar cell has the energy absorption structure formed of a nanowire MIS junction structure to ensure high photoelectric conversion efficiency. Further, the solar cell does not require an epitaxial growth, thereby free from drawbacks of an epitaxial layer such as crystal defects.
    • 提供一种太阳能电池,包括:基板; 以及形成在所述基板上的能量吸收结构,所述能量吸收结构包括金属层,半导体层和在其间形成的绝缘体,其中所述金属层,所述半导体层和所述绝缘体中的至少一个由多个纳米线 结构。 太阳能电池具有由纳米线MIS结构结构形成的能量吸收结构,以确保高的光电转换效率。 此外,太阳能电池不需要外延生长,从而没有诸如晶体缺陷的外延层的缺点。