公开(公告)号：US20180059470A1

公开(公告)日：2018-03-01

申请号：US15677503

申请日：2017-08-15

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： YANGUK NAM ,  DAESIK LEE ,  JONGJAE LEE ,  SUJIN KIM ,  JUNKI HONG

IPC: G02F1/1333 ,  G09G3/36 ,  G02F1/1368

CPC classification number: G02F1/133382 ,  G02F1/1368 ,  G09G3/2092 ,  G09G3/3677 ,  G09G3/3688 ,  G09G3/3696 ,  G09G2310/0289 ,  G09G2310/08 ,  G09G2320/0285 ,  G09G2320/041 ,  G09G2330/02 ,  G09G2330/026

Abstract: A display device includes a display panel, a plurality of pixels arranged on the display panel, a data driver and a gate driver configured to apply a driving signal to the plurality of pixels, a timing controller configured to apply a control signal to the data driver and the gate driver, and store a plurality of driving voltage predetermined values for different temperatures, a temperature sensor configured to measure an ambient temperature, and a power management integrated circuit configured to adjust a driving voltage. The power management integrated circuit includes a controller configured to receive a driving voltage predetermined value among the plurality of driving voltage predetermined values from the timing controller using the measured ambient temperature, a plurality of storage banks configured to store the driving voltage predetermined value, and a power generator configured to output the driving voltage at the driving voltage predetermined value.