FIELD: lighting.
SUBSTANCE: result is achieved due to that a LED light source comprises circuit of LED loads (LED1-LED4) powered by rectified voltage of a mains supply source. Number of LED loads transmitting current increases with increase in instantaneous amplitude of rectified voltage of mains supply source and decreases with decrease in instantaneous amplitude of rectified voltage of mains supply source. Order in which LED loads begin to transmit current and order in which LED loads stop transmitting current is changed to reverse for each half-period of mains supply source.
EFFECT: high efficiency of using each of LED loads in light-emitting diode light source.
9 cl, 6 dwg
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