The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 04, 2020
Filed:
Apr. 17, 2018
Samsung Display Co. Ltd., Yongin-si, KR;
Min Tak Lee, Hwaseong-si, KR;
Kyu Seok Kim, Asan-si, KR;
Soo Young Kim, Seoul, KR;
Young Nam Yun, Suwon-si, KR;
Hyun Koo Lee, Seoul, KR;
SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do, KR;
Abstract
A mura detection device includes an XYZ coordinate system conversion unit which receives a photographed image of a display device and converts the photographed image into XYZ image data according to XYZ chromatic coordinates, a background image generation unit which generates background image data obtained by removing a part of the XYZ image data, a color difference calculation unit which generates color difference image data by comparing the photographed image and the background image data, and a mura data generation unit which calculates a color mura index value using the color difference image data.