公开(公告)号：US09922616B2

公开(公告)日：2018-03-20

申请号：US14796808

申请日：2015-07-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jae Ho Yang ,  Miaofeng Wang ,  Ho Seok Shin

IPC: G09G5/10 ,  G09G5/00

CPC classification number: G09G5/003 ,  G09G2320/066 ,  G09G2330/021 ,  G09G2360/144

Abstract: A display controller includes a local contrast enhancement circuit that includes a plurality of scale circuits. Each scale circuit includes a block separation circuit configured to divide input display data into sub blocks, a calculation circuit configured to calculate a feature value that characterizes each of the sub blocks, and a storage device configured to store the feature value. The number and size of the sub blocks differ among the scale circuits.