公开(公告)号：US10089952B2

公开(公告)日：2018-10-02

申请号：US15173392

申请日：2016-06-03

Applicant: Samsung Display Co., Ltd.

Inventor： Yanguk Nam ,  Youngil Ban ,  Sunkyu Son ,  Sunkoo Kang ,  Taegon Kim

IPC: G09G5/10 ,  G09G3/36 ,  G09G3/20

Abstract: There is provided a display device including a power management integrated circuit outputting a driving voltage and a gamma voltage, a timing controller outputting an image data signal and a driving control signal, a data driver converting the image data signal to a data voltage signal based on the driving voltage, the gamma voltage, and the driving control signal, a power connecting portion connecting the power management integrated circuit and the data driver, a voltage detector detecting the driving voltage and the gamma voltage that are voltage-dropped in the power connecting portion, and outputting a feedback signal, and a power adjustor receiving the feedback signal and outputting a power control signal to the power management integrated circuit, and adjusting the driving voltage and the gamma voltage based on the power control signal.