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:
Feb. 17, 2015
Filed:
Dec. 31, 2011
Xiaofeng Guo, Shanghai, CN;
Huifen LI, Shanghai, CN;
Xiaofeng Lin, Shanghai, CN;
Xiaowei Sun, Shanghai, CN;
Wenhua Deng, Shanghai, CN;
Xiaofeng Guo, Shanghai, CN;
Huifen Li, Shanghai, CN;
Xiaofeng Lin, Shanghai, CN;
Xiaowei Sun, Shanghai, CN;
Wenhua Deng, Shanghai, CN;
Saint-Gobain Glass France, Courbevoie, FR;
Abstract
An illumination device for providing near isotropic illumination, and particularly an illumination system for detecting the defect in a transparent substrate and a detection system including the same are presented. An illumination system includes: an illumination system for detecting the defect in a transparent substrate, including light source receptacle in bar shape; first spot light sources, each emitting a respective first light, the respective first lights being substantially parallel to each other and the first spot light sources being arranged to a first line of spot light sources along the longitudinal direction of the receptacle; and second spot light sources, each emitting a respective second light, the respective second lights being substantially parallel to each other and the second spot light sources being arranged to a second line of spot light sources along the longitudinal direction of the receptacle.