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    • 4. 发明授权
    • Lighting device and electronic device
    • 照明设备和电子设备
    • US08792068B2
    • 2014-07-29
    • US12858660
    • 2010-08-18
    • Koya ShiratoriAkio Fukase
    • Koya ShiratoriAkio Fukase
    • G02F1/1337H05B37/02F21V21/00
    • H05B33/0815G02F1/1336G02F1/133603G02F2001/133616
    • A lighting device at least has: a plurality of light emitting elements that emit light by a forward direction current; a direct-current power supply; a first wiring and a second wiring for supplying electrical power to the plurality of light emitting elements from the direct-current power supply; and a switch for switching the polarity of the electrical power to be supplied to the first wiring and the second wiring; in which the plurality of light emitting elements include forward direction connection in which the forward direction current flows when the electrical power having a positive polarity is applied to the first wiring and reverse direction connection in which the forward direction current flows when the electrical power having a positive polarity is applied to the second wiring and being connected between the first wiring and the second wiring.
    • 照明装置至少具有:通过正向电流发光的多个发光元件; 直流电源; 第一布线和第二布线,用于从所述直流电源向所述多个发光元件提供电力; 以及用于切换要提供给第一布线和第二布线的电力的极性的开关; 其中,当具有正极性的电功率被施加到正向电流流动的第一布线和反向连接时,当电功率具有正向电流时,多个发光元件包括正向电流流动的正向连接, 正极性被施加到第二布线并连接在第一布线和第二布线之间。