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:
Jan. 22, 2019
Filed:
Apr. 13, 2016
Applicant:
Samsung Display Co. Ltd., Yongin, KR;
Inventors:
Assignee:
SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/95 (2006.01); G01N 21/21 (2006.01);
U.S. Cl.
CPC ...
G01N 21/9505 (2013.01); G01N 21/21 (2013.01); G01N 2021/216 (2013.01); G01N 2201/0683 (2013.01);
Abstract
A device for evaluating crystallinity includes a substrate holder configured to fix a polycrystalline silicon substrate thereon, a light source disposed below the substrate holder, a circular polarizing plate disposed above the polycrystalline silicon substrate, and a camera disposed above the circular polarizing plate and configured to capture an image transmitted through the circular polarizing plate.