The light emitting device according to the present invention comprises a light emitting cell block having a plurality of light emitting cells; and a bridge rectifying circuit connected to input and output terminals of the light emitting cell block, wherein the bridge rectifying circuit includes {HEAD ~ a plurality} of diodes between {TAIL ~ nodes} 
The light emitting device according to the present invention comprises a light emitting cell block having a plurality of light emitting cells ; and a bridge rectifying circuit connected to input and output terminals of the light emitting cell block , wherein the bridge rectifying circuit includes { HEAD ~ a plurality } of diodes between { TAIL ~ nodes }
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