Patent ID: 7420332
Filing Date: 2008-09-02
Classification: H05B,Y10S

Abstract:
1. An LED lighting device comprising: n number of LED arrays that are connected in parallel with each other and that have substantially the same internal configuration, where n is an integer number equal to at least two; wherein each of the LED arrays includes at least one capacitor and at least one LED block that are sequentially connected in series with each other; each of the at least one LED block includes a first series circuit and a second series circuit that are connected in parallel with each other, the first series circuit including first and second LEDs that are connected in series with each other in the same direction, and the second series circuit including third and fourth LEDs that are connected in series with each other in a direction opposite to the direction of the LEDs in the first series circuit; and in LED blocks in a same sequential order in an ith LED array and an i+1th LED array, a connection point between the third and fourth LEDs in the ith LED array is coupled to a connection point between the first and second LEDs in the i+1th LED array, where i is an integer between 1 and n, and where the i+1th LED array is the first LED array when i is n.