PROBLEM TO BE SOLVED: To provide a fingerprint detector and a display device capable of simplifying processing of a member provided on a detection surface side.SOLUTION: A fingerprint detector comprises: a substrate including a first surface and a second surface on the opposite side to the first surface, the first surface being a detection surface for detecting concavity and convexity of an object being in contact with or adjacent to the first surface； a detection electrode which is provided on the second surface side of the substrate and detects concavity and convexity of a finger being in contact with or adjacent to the second surface on the basis of capacitance change； and a drive circuit which is provided on the second surface side of the substrate and supplies a drive signal to the detection electrode.SELECTED DRAWING: Figure 8【課題】検出面側に設けられる部材の加工を簡便にすることが可能な指紋検出装置及び表示装置を提供する。【解決手段】指紋検出装置は、第１面と、第１面の反対側の第２面とを有し、第１面が、接触又は近接する物体の凹凸を検出するための検出面である基板と、基板の第２面側に設けられ、静電容量変化に基づいて接触又は近接する指の凹凸を検出するための検出電極と、基板の第２面側に設けられ、検出電極に駆動信号を供給する駆動回路と、を有する。【選択図】図８
