公开(公告)号：US20210118354A1

公开(公告)日：2021-04-22

申请号：US16893326

申请日：2020-06-04

Applicant: Samsung Display Co., Ltd.

Inventor： Kuk-Hwan AHN ,  HongSoo KIM ,  Junheyung JUNG ,  Youngwook YOO ,  Jungyu LEE ,  Hyunjun LIM ,  Byung Ki CHUN

IPC: G09G3/20

Abstract: A driving controller of a display device includes a driving frequency controller for receiving an image signal, determining a driving frequency based on the image signal, and outputting a masking enable signal corresponding to the driving frequency, and an image processor for converting the image signal into a data signal and outputting the data signal, wherein the image processor sequentially converts, based on the masking enable signal being at an active level, a part of bits of the image signal into the data signal corresponding to a plurality of dither patterns.

公开(公告)号：US20190116336A1

公开(公告)日：2019-04-18

申请号：US16155568

申请日：2018-10-09

Applicant: Samsung Display Co., Ltd.

Inventor： Ji-Eun PARK ,  Jinwoo NOH ,  Youngwook YOO ,  Heechul HWANG

IPC: H04N7/01 ,  G06T3/40 ,  G09G3/20

CPC classification number: H04N7/0147 ,  G06T3/4007 ,  G06T3/4023 ,  G09G3/2003 ,  G09G3/3208 ,  G09G2300/0452 ,  G09G2340/0457 ,  H04N7/0117 ,  H04N7/0125

Abstract: A display device includes a display panel including a first pixel having first and second sub-pixels for first and second color light, and a second pixel having third and fourth sub-pixels for third and second color light, an image processor to convert input image data into output image data of greater resolution, and a panel driver to display images based on the output image data, the input image data including first, second, and third input color data corresponding to the first, second, and third color light, the output image data including first, second, and third output color data corresponding to the first, second, and third color light, and the image processor for generating the first and third output color data, by performing an upscaling-rendering operation on the first and third input color data, and the second output color data, by performing an upscaling operation on the second input color data.