DETECTION DEVICE

To provide a detection device which is downsized and furthermore enables acquisition of excellent detection accuracy.SOLUTION: A detection device has: a substrate; a plurality of first electrodes arranged on a first principal surface of the substrate; a plurality of photodiodes provided in such a way as to correspond to the plurality of first electrodes, each including a first carrier transport layer, an active layer, and a second carrier transport layer; a second electrode provided striding over the plurality of photodiodes; a back light provided on a second principal surface side opposite to the first principal surface of the substrate; a plurality of light-shielding layers provided between the back light and the plurality of photodiodes; and a translucent region formed between the plurality of adjacent light-shielding layers.SELECTED DRAWING: Figure 1 【課題】小型化を図りつつ、良好な検出精度を得ることが可能な検出装置を提供する。【解決手段】検出装置は、基板と、基板の第１主面に配列された複数の第１電極と、複数の第１電極に対応して設けられ、第１キャリア輸送層、活性層及び第２キャリア輸送層を含む複数のフォトダイオードと、複数のフォトダイオードに跨がって設けられた第２電極と、基板の第１主面と反対側の第２主面側に設けられたバックライトと、バックライトと複数のフォトダイオードとの間に設けられた複数の遮光層と、隣り合う複数の遮光層の間に形成された透光領域と、を有する。【選択図】図１