公开(公告)号：US10482823B2

公开(公告)日：2019-11-19

申请号：US15852773

申请日：2017-12-22

Applicant: Samsung Display Co., Ltd.

Inventor： Wonjun Lee ,  Gichang Lee ,  Cholho Kim ,  Gunwoo Yang

IPC: G09G3/3266 ,  G09G3/3291 ,  G09G3/20 ,  G09G3/3233

Abstract: A light emitting display device includes: a first switch connected between a data line and a first node and including a gate connected to a first scan line; a second switch connected between a first driving power line and a second node and including a gate electrode connected to the first node; a first capacitor connected between the first node and the second node; a light emitting element connected between the second node and a second driving power line; a scan driver applying a first A-scan signal and a first B-scan signal during different times to the first scan line; a data driver applying a first initialization signal and a data signal to the data line at different times; and a power supply portion applying a first driving voltage, a second driving voltage, and a third driving voltage to the first driving power line at different times.