公开(公告)号：US10347164B2

公开(公告)日：2019-07-09

申请号：US15487038

申请日：2017-04-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seok Hwan Roh ,  Byung-Hyun Kim ,  Ki-Won Shin

IPC: G09G3/20

Abstract: A data compensator includes a voltage drop compensator configured to output a voltage drop compensation value based on input data of pixels included in a display panel, a color difference compensator configured to output a color difference compensation value to compensate for compensate the color difference of the pixels, a compensation data generator configured to generate a compensation value of the input data based on the voltage drop compensation value and the color difference compensation value, and to generate a compensation data by performing an operation on the input data and the compensation value, and a dithering block configured to generate output data by dithering the compensation data.