公开(公告)号：US20190339191A1

公开(公告)日：2019-11-07

申请号：US16475184

申请日：2017-12-29

Applicant: LG INNOTEK CO., LTD.

Inventor： Sun Woo KIM ,  Yong Jun KO ,  Ki Min LEE ,  Joo Seung CHOI

IPC: G01N15/14 ,  H01L31/0352 ,  H01L25/16 ,  H01L27/144

Abstract: A light sensing device, according to an embodiment, for sensing light emitted from a light source, and reflected or scattered from an object comprises: a light transmitting member; and a light sensing unit disposed on the light transmitting member, wherein the light sensing unit comprises: a light transmitting region; a first electrode layer; a semiconductor layer; and a second electrode layer, wherein the semiconductor layer comprises: a first semiconductor layer disposed around the light-transmitting region; and a second semiconductor layer disposed outside the first semiconductor layer.