公开(公告)号：US20230172553A1

公开(公告)日：2023-06-08

申请号：US17816640

申请日：2022-08-01

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： JONG YEOP AN ,  GYEONG UB MOON ,  BO RAM CHOI ,  HYEON JUN LEE

IPC: A61B5/00 ,  G01L1/22 ,  A61B5/021

CPC classification number: A61B5/6898 ,  G01L1/22 ,  A61B5/02116 ,  A61B5/02125 ,  A61B5/02427

Abstract: A display device capable of measuring a user's blood pressure by analyzing a photoplethysmographic signal is disclosed. The display device includes a display panel including a plurality of pixels; a force sensor disposed on a surface of the display panel, the force sensor configured to sense an external force; a light receiving sensor disposed between a group of neighboring pixels of the plurality of pixels, or disposed in a through hole in a front portion of the display panel, the light receiving sensor configured to sense an amount of light reflected toward the display panel and generate an optical signal corresponding to the amount of light; and a main processor configured to generate a pulse wave signal according to the optical signal received from the light receiving sensor and analyze a magnitude, a period, and a wave change of the pulse wave signal.