公开(公告)号：US20200381492A1

公开(公告)日：2020-12-03

申请号：US16875185

申请日：2020-05-15

Applicant: Samsung Display Co., Ltd.

Inventor： Ji Hun RYU ,  Jin Oh KWAG

IPC: H01L27/32 ,  G06K9/00 ,  H01L51/52 ,  G06F3/041

Abstract: A fingerprint sensor includes: a substrate; a circuit element layer on a first surface of the substrate and including a plurality of conductive layers; a light emitting element layer on the circuit element layer and including light emitting elements and a light shielding layer; and a light sensor layer on a second surface of the substrate and including light sensors, wherein the light shielding layer includes contact holes exposing first electrodes of the light emitting elements, and first opening portions exposing a portion of the circuit element layer, and the circuit element layer includes second opening portions formed in the plurality of conductive layers and includes a light transmission hole of which at least a portion overlaps the first opening portions.

公开(公告)号：US20200065547A1

公开(公告)日：2020-02-27

申请号：US16434154

申请日：2019-06-06

Applicant: Samsung Display Co., Ltd.

Inventor： Ji Hun RYU ,  Katsumasa YOSHII ,  Yun Ho KIM ,  Il Nam KIM ,  Eun Jin SUNG

IPC: G06K9/00 ,  G02B5/04 ,  G02B5/00

Abstract: An optical unit and a display device including same. The optical unit is for a fingerprint sensor of the display device, and the optical unit includes a first prism to block light rays incident at an angle greater than a detection target incident angle; and a second prism disposed under the first prism to block light rays incident at an angle less than the detection target incident angle.