| 摘要 |
An LED lighting apparatus is provided to reduce heat generated a first and a second LED module by turning on/off the first and the second LED module alternately. An LED lighting apparatus comprises an LED lighting unit, a power supply unit(50), and a controller(60). An LED lighting unit includes a first LED module, a second LED module, and an illumination main body. Each LED module comprises a plurality of LED elements(20a,20b,20c,30a,30b,30c), and the illumination main body accommodates the first LED module and the second LED module. A controller controls power supplied to the first LED module and the second LED module in order to increase/decrease the brightness of the second LED module and the first LED module.
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