公开(公告)号：US11042229B2

公开(公告)日：2021-06-22

申请号：US16656072

申请日：2019-10-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Gwanhyung Kim ,  Huijun Shim ,  Jihye Ha ,  Sangho Kim ,  Hyunkyu Yun

IPC: G06F3/0354 ,  G06T7/90 ,  G06F3/041 ,  G01J3/46 ,  G06F3/042

Abstract: A display apparatus includes a display, a plurality of light emitting elements that emit light of different wavelengths and a plurality of light receiving elements, and a processor that identifies intensities light emitted by the light emitting elements and received by the light receiving elements to identify a pen color of a touch pen on a basis of the intensities.