公开(公告)号：US20180090067A1

公开(公告)日：2018-03-29

申请号：US15707083

申请日：2017-09-18

Applicant: Samsung Display Co., Ltd.

Inventor： Wonsik Oh ,  Myungho Lee ,  Geunjeong Park ,  Myoungseop Song

IPC: G09G3/3233 ,  G09G3/3258 ,  G09G3/3266

CPC classification number: G09G3/3233 ,  G09G3/3225 ,  G09G3/3258 ,  G09G3/3266 ,  G09G2300/0866 ,  G09G2310/08 ,  G09G2320/0285 ,  G09G2320/0295 ,  G09G2330/021 ,  G09G2330/028

Abstract: A light emitting display device including: a display panel; a plurality of pixels included in the display panel, each of the plurality of pixels including a driving switching element connected to a first power line and a light emitting element connected to a second power line; a maximum voltage detection unit for detecting a voltage from each of the light emitting elements of each of the pixels and outputting a maximum voltage that has a highest voltage level among the detected voltages; and a power supply unit for correcting a first driving voltage based on the maximum voltage and applying the corrected first driving voltage to the first power line.

公开(公告)号：US10311786B2

公开(公告)日：2019-06-04

申请号：US15707083

申请日：2017-09-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Wonsik Oh ,  Myungho Lee ,  Geunjeong Park ,  Myoungseop Song

IPC: G09G3/3233 ,  G09G3/3258 ,  G09G3/3266 ,  G09G3/3225

Abstract: A light emitting display device including: a display panel; a plurality of pixels included in the display panel, each of the plurality of pixels including a driving switching element connected to a first power line and a light emitting element connected to a second power line; a maximum voltage detection unit for detecting a voltage from each of the light emitting elements of each of the pixels and outputting a maximum voltage that has a highest voltage level among the detected voltages; and a power supply unit for correcting a first driving voltage based on the maximum voltage and applying the corrected first driving voltage to the first power line.