公开(公告)号：US10979629B2

公开(公告)日：2021-04-13

申请号：US16402168

申请日：2019-05-02

Applicant: Samsung Display Co., Ltd.

Inventor： Min Gyu Kim ,  Se Yun Kim ,  Si Hun Jang ,  Hoi Sik Moon

IPC: H04N5/232

Abstract: An image processing device for a mass produced display device includes an image obtaining capture to provide a single image frame including intensity values for respective coordinates of a display surface of the display device, and an image correcting unit to correct the intensity values of the single image frame of the display surface by using correction amount values with the corresponding correction direction values to provide a de-blurring image frame for the display surface, wherein the image correcting unit includes a correction amount calculating unit to calculate the correction amount values for the respective coordinates by using first derivative values with respect to the intensity values of the single image frame, and a correction direction calculating unit to calculate the correction direction values for the respective coordinates by using second derivative values with respect to the intensity values of the single image frame.

公开(公告)号：US11232736B1

公开(公告)日：2022-01-25

申请号：US17313347

申请日：2021-05-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Se Yun Kim ,  Min Gyu Kim ,  Sang Cheol Park

IPC: G09G3/20

Abstract: A mura compensation method for a display device in which a data driver and a scan driver disposed at a first side of a pixel unit, includes capturing an image of the pixel unit based on a predetermined first sample gray level; calculating mum luminance of diagonal mura corresponding to the first sample gray level by sharpening the diagonal mura based on light components of the captured image for a first sample area including the diagonal mura; calculating target luminance based on the mura luminance and a luminance distribution of the imaged first sample area; and calculating a first compensation value corresponding to the first sample gray level and a pixel corresponding to the diagonal mura in the first sample area by using the first sample gray level, the mura luminance, and the target luminance.

公开(公告)号：US10026346B2

公开(公告)日：2018-07-17

申请号：US15143078

申请日：2016-04-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Se Yun Kim ,  Hoi Sik Moon

IPC: G09G3/00 ,  G09G3/34 ,  G09G3/36

Abstract: A luminance distortion compensating apparatus includes an image data receiving circuit and a luminance distortion compensating circuit. The image data receiving circuit is configured to receive grayscale image data and full white image data displayed on a display panel. The luminance distortion compensating circuit is configured to compensate for a luminance distortion generated by a display panel inspecting apparatus inspecting the display panel, in the grayscale image data, using the grayscale image data and the full white image data. Thus, an inspection capability of a display panel inspecting system may be increased.