The light emitting device according to the present invention comprises a light emitting cell block having {HEAD ~ a plurality} of {TAIL ~ 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 a plurality of diodes between nodes 
of
The light emitting device according to the present invention comprises a light emitting cell block having { HEAD ~ a plurality } of { TAIL ~ 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 a plurality of diodes between nodes
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