NOVELTY - Solar cell comprises: substrate (110); rear electrode layer (120) on substrate and comprising first and second rear electrode spaced from each other; window electrode layer (150) on rear electrode layer and comprising a first window electrode (151) electrically coupled to second rear electrode at contact region on second rear electrode; light-absorbing layer (130) between rear electrode layer and window electrode layer; and insulating layer on first portion of second rear electrode, where first portion is between edge of second rear electrode facing first rear electrode and contact region.    USE - Used as solar cell.    ADVANTAGE - The solar cell exhibits improved electric energy generation efficiency.    DETAILED DESCRIPTION - Solar cell comprises: a substrate (110); a rear electrode layer (120) on the substrate and comprising a first rear electrode and a second rear electrode spaced from each other; a window electrode layer (150) on the rear electrode layer and comprising a first window electrode (151) electrically coupled to the second rear electrode at a contact region on the second rear electrode; a light-absorbing layer (130) between the rear electrode layer and the window electrode layer; and an insulating layer on a first portion of the second rear electrode, where the first portion is between an edge of the second rear electrode facing the first rear electrode and the contact region. An INDEPENDENT CLAIM is also included for manufacturing the solar cell, comprises forming, on the substrate, the conductive layer having a first region, a second region, and a third region between the first region and the second region, forming a rear electrode layer comprising a first rear electrode and a second rear electrode which are spaced from each other by removing the conductive layer of the first region, and forming the insulating layer on at least a portion of a top surface of the conductive layer of the third region, forming a light-absorbing layer on the rear electrode layer, and forming a window electrode layer on the light-absorbing layer.    DESCRIPTION OF DRAWING(S) - The figure shows a schematic view of the solar cell.    Substrate (110)    Rear electrode layer (120)    Light-absorbing layer (130)    Window electrode layer (150)    First window electrode (151)