公开(公告)号：US20200167033A1

公开(公告)日：2020-05-28

申请号：US16696295

申请日：2019-11-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyeonggwon KIM ,  Daehyun Nam ,  Wonpil Kim

IPC: G06F3/042 ,  G06F3/041

Abstract: The disclosure provides a display apparatus and a method of controlling the same, the display apparatus including: a display; an optical sensor including a plurality of light transmitters and a plurality of light receivers arranged around the display, facing each other and configured to transmit and obtain light; and a processor configured to: identify a touch position of a pointer on a screen of the display, based on light transmitted and obtained by the optical sensor, cause the display to display an image on the screen along touch positions of successive touches, based on movement of the pointer, identify a touch size of the pointer, based on light transmitted and obtained while the pointer is moved, adjust a width of at least a portion of the image displayed on the screen, based on a variation in the touch size of the pointer.