公开(公告)号：US20220093022A1

公开(公告)日：2022-03-24

申请号：US17478566

申请日：2021-09-17

Applicant: Silicon Works Co., Ltd.

Inventor： Min Ji LEE ,  Jun Young PARK ,  Ji Won LEE ,  Suk Ju KANG ,  Yu Lim SEO ,  Jung Hyun KIM

IPC: G09G3/00 ,  G06T7/00 ,  G09G3/20

Abstract: Disclosed are an apparatus and method for evaluating the degradation of a display panel, for evaluating a degradation state of a display panel, such as mura. The method of evaluating the degradation of a display panel may be implemented by generating mutual information by using a first histogram distribution vector of a reference frame having a target grayscale level and a second histogram distribution vector of an evaluation frame displayed on a display panel in response to the target grayscale level, generating normalized mutual information of the mutual information, providing a weight into which a cognitive characteristic of a distribution of grayscales of pixels of the evaluation frame is incorporated, and outputting an evaluation value obtained by multiplying the normalized mutual information and the weight.

公开(公告)号：US20210287620A1

公开(公告)日：2021-09-16

申请号：US17193662

申请日：2021-03-05

Applicant: SILICON WORKS CO., LTD.

Inventor： Yong Hee KIM ,  Jung Eun BAEK ,  Jin Woo PARK ,  Ji Won LEE ,  Do Seok KIM ,  Young Gi KIM

IPC: G09G3/36

Abstract: An embodiment is able to improve the pure-color brightness ratio by compensating for image data of a current pixel on the basis of a result of comparing image data of a current pixel with image data of a previous pixel.

公开(公告)号：US20210193058A1

公开(公告)日：2021-06-24

申请号：US17122344

申请日：2020-12-15

Applicant: SILICON WORKS CO., LTD.

Inventor： Ji Won LEE ,  Jung Eun BAEK ,  Xin CUI ,  Do Hoon LEE

IPC: G09G3/34 ,  G06T7/11

Abstract: The present disclosure allows reducing power consumption of a backlight by lowering a dimming value through brightness distribution for pixels.

公开(公告)号：US20240029668A1

公开(公告)日：2024-01-25

申请号：US18479683

申请日：2023-10-02

Applicant: SILICON WORKS CO., LTD.

Inventor： Hyun Kyu JEON ,  Ji Won LEE ,  Jung Eun BAEK ,  Xin CUI ,  Do Hoon LEE

IPC: G09G3/34

CPC classification number: G09G3/3406 ,  G09G2320/0247 ,  G09G2310/08 ,  G09G2320/0646 ,  G09G2320/064

Abstract: An embodiment enables natural and smooth change in the brightness of a backlight unit and is able to reduce flicker by changing a dimming value between frames through a mixed function including a plurality of functions having different characteristics.

公开(公告)号：US20210335288A1

公开(公告)日：2021-10-28

申请号：US17235049

申请日：2021-04-20

Applicant: SILICON WORKS CO., LTD.

Inventor： Hyun Kyu JEON ,  Ji Won LEE ,  Jung Eun BAEK ,  Xin CUI ,  Do Hoon LEE

IPC: G09G3/34

Abstract: An embodiment enables natural and smooth change in the brightness of a backlight unit and is able to reduce flicker by changing a dimming value between frames through a mixed function including a plurality of functions having different characteristics.