An apparatus having a thin film battery includes: a device electrically operating and including a substrate； and the thin film battery for supplying power to the device. The thin film battery includes: a first electrically conductive layer formed on the substrate； a second electrically conductive layer formed on the substrate while being spaced apart from the first electrically conductive layer and positioned on an identical plane to the first electrically conductive layer； a first electrode layer formed on the first electrically conductive layer and electrically connected to the first electrically conductive layer； a second electrode layer formed on the second electrically conductive layer, electrically connected to the second electrically conductive layer, disposed while being spaced apart from the first electrode layer in a side direction, and having a polarity opposite to a polarity of the first electrode layer； an ion conductive polymer electrolyte for covering both the first electrode layer and the second electrode layer； and a sealing film for sealing the ion conductive polymer electrolyte.本発明の一側面による薄型電池を備える装置は、電気的に動作しサブストレート（ｓｕｂｓｔｒａｔｅ）を備えるデバイス；及び前記デバイスに電力を供給するための薄型電池を含み、前記薄型電池は、前記サブストレート上に形成された第１電気伝導層；前記第１電気伝導層と分離して前記サブストレート上に形成され前記第１電気伝導層と同一平面に位置する第２電気伝導層；前記第１電気伝導層上に形成され前記第１電気伝導層と電気的に連結した第１電極層；前記第２電気伝導層上に形成され前記第２電気伝導層と電気的に連結し、前記第１電極層から軸方向に離隔して配置され前記第１電極層の極性と反対の極性を有する第２電極層；前記第１電極層と第２電極層を同時に覆うイオン伝導性高分子電解質；及び前記イオン伝導性高分子電解質層を密封する密封フィルムを含む。【選択図】なし
