公开(公告)号：US20190147214A1

公开(公告)日：2019-05-16

申请号：US16181184

申请日：2018-11-05

Applicant: LG ELECTRONICS INC.

Inventor： Dongeun LEE ,  Jungwhan KIM ,  Jeongmo KOO

IPC: G06K9/00 ,  G06K9/20 ,  H01L51/52 ,  H01L27/32 ,  H01L51/00

Abstract: Disclosed herein is a display device including a display unit, a cover glass protecting the display unit, an optical layer disposed on a back surface of the display unit to form a first air gap, an optical sensor disposed on a back surface of the optical layer to form a second air gap, the optical sensor being mounted on the base substrate, a first spacer positioned between the optical layer and the display unit and arranged around the first air gap, a first sealant applied in a paste state and changed into a hard state to bond the first spacer and the display unit, a second spacer positioned between the optical sensor and the optical layer and arranged around the second air gap, and a controller configured to determine whether information collected by the optical sensor matches the fingerprint information about the user stored in a memory unit.