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:
Jul. 02, 2024
Filed:
Nov. 25, 2021
Applicant:
Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd., Hubei, CN;
Inventors:
Yali Liu, Hubei, CN;
Yongzhen Jia, Hubei, CN;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/95 (2006.01); G01N 21/88 (2006.01);
U.S. Cl.
CPC ...
G01N 21/9515 (2013.01); G01N 21/8851 (2013.01); G01N 2021/8887 (2013.01); G01N 2021/9513 (2013.01); G01N 2201/063 (2013.01);
Abstract
The present application provides a detection method of a crease degree of a screen and a visual detection device, the detection method includes: providing detection rays and obliquely irradiating the detection rays onto a surface to be measured of a folding screen; acquiring detection rays reflected by the surface to be measured of the folding screen to obtain a corresponding light source reflection image; analyzing the light source reflection image to obtain an evaluation index of an crease degree of the folding screen; and evaluating the crease degree of the folding screen.