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    • 2. 发明授权
    • Electrodeless lighting apparatus
    • 无电极照明装置
    • US07196474B2
    • 2007-03-27
    • US11269835
    • 2005-11-09
    • Hyun-Jung KimJi-Young LeeSeung-Yeup HyunRi-Na Hwang
    • Hyun-Jung KimJi-Young LeeSeung-Yeup HyunRi-Na Hwang
    • H01J65/04
    • H01J65/044
    • An electrodeless lighting apparatus includes: a waveguide for guiding microwave energy generated from a microwave generator; a resonance unit coupled with an outlet of the waveguide and comprising at least two resonators having mesh structures which are slidingly coupled with each other in the longitudinal direction such that the height of the resonance unit is varied and an aperture ratio according to the height of the resonance unit is varied, the resonance unit for resonating the microwave energy guided through the waveguide; and a bulb located inside the resonance unit and generating light as a material enclosed therein becomes plasma by microwave energy, so that the overall length of the resonance unit can be varied or aperture ratios of the mesh corresponding to the height of the resonance unit can be adjusted according to a bulb type and conditions to which the electrodeless lighting apparatus is applied, whereby a resonator does not need to be separately manufactured according to its length or aperture ratio. Accordingly, time and costs spent manufacturing a new resonator can be reduced to thereby lower the unit cost and maintenance costs can be reduced by decreasing the number of assembly processes when changing a bulb.
    • 无电极照明装置包括:用于引导从微波发生器产生的微波能量的波导; 与所述波导的出口耦合的谐振单元,并且包括至少两个具有网格结构的谐振器,所述网状结构在纵向方向上彼此滑动耦合,使得谐振单元的高度变化,并且根据 谐振单元变化,用于谐振通过波导引导的微波能量的谐振单元; 并且位于谐振单元内部并且产生作为其包围的材料的光的灯泡通过微波能量而变成等离子体,使得可以改变谐振单元的总体长度或者可以使谐振单元的高度对应的网孔的开口率 根据应用无电极照明装置的灯泡类型和条件进行调节,由此根据其长度或开口率不需要单独制造谐振器。 因此,可以减少制造新谐振器的时间和成本,从而降低单元成本,并且可以通过在更换灯泡时减少组装过程的数量来减少维护成本。