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:
Sep. 06, 2022
Filed:
Dec. 03, 2019
Samsung Display Co., Ltd., Yongin-si, KR;
Juneyoung Lee, Seoul, KR;
Hoi Sik Moon, Hwaseong-si, KR;
Hyungwoo Yim, Hwaseong-si, KR;
Jae-Seob Chung, Asan-si, KR;
Minyup Chae, Hwaseong-si, KR;
Samsung Display Co., Ltd., Yongin-si, KR;
Abstract
A vision inspection apparatus includes an inspection controller which displays a grid pattern with a plurality of gray levels on a display panel, an imaging converter which drives a charge-coupled device with a predetermined or set exposure-time and converts the grid pattern displayed on the display panel into a grid pattern signal, a charge calculator which calculates a charge amount per unit time for each color of a reference gray level using a reference gray level signal, included in the grid pattern signal, and the set exposure-time, and an exposure-time calculator which calculates an optimum exposure-time for each color of the reference gray level based on a target charge amount of the reference gray level.