| 摘要 |
A solar cell includes a rear electrode layer on a substrate and divided into a plurality of portions by a first separation groove, a light absorption layer and a buffer layer on the rear electrode layer and divided into a plurality of portions by a second separation groove parallel to the first separation groove, a translucent electrode layer on the buffer layer and divided into a plurality of portions by a third separation groove parallel to the first and second separation grooves, a light transmission unit exposing a portion of the substrate and defined by an opening through the rear electrode layer, the light absorption layer, the buffer layer, and the translucent electrode layer, and first and second insulation grooves at respective first and second sides of the light transmission unit, the first and second insulation grooves being perpendicular to the first through third separation grooves.
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