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:
Dec. 29, 2020
Filed:
Sep. 19, 2018
Samsung Display Co., Ltd., Yongin-si, KR;
Hyung Jin Lee, Yongin-si, KR;
Dae Hong Kim, Yongin-si, KR;
Sung Hoon Yang, Yongin-si, KR;
Se Yoon Oh, Yongin-si, KR;
Samsung Display Co., Ltd., Yongin-si, KR;
Abstract
In a device for detecting a defect, the device includes: an image pickup unit including pixels, the image pickup unit generating a substrate image by picking up an image of a substrate having patterns formed on a top surface thereof; and a controller for detecting a defect located on the substrate, based on the substrate image, wherein the substrate image includes pattern images corresponding to the patterns, wherein each of the pattern images includes pixel values, wherein the controller detects the defect by comparing weights of pixel values for each of the pattern images.