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:
Aug. 03, 2021
Filed:
May. 21, 2019
Applicant:
Samsung Display Co., Ltd., Yongin-si, KR;
Inventors:
Hyun Wook Lee, Asan-si, KR;
Soon Wook Hong, Anyang-si, KR;
Seung Rae Kim, Cheonan-si, KR;
Jae-Hyun Park, Yongin-si, KR;
Min cheol Chae, Asan-si, KR;
Assignee:
Samsung Display Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01B 11/00 (2006.01); G03F 7/20 (2006.01); G03F 9/00 (2006.01);
U.S. Cl.
CPC ...
G03F 7/70683 (2013.01); G03F 7/70625 (2013.01); G03F 7/70633 (2013.01); G03F 9/7084 (2013.01);
Abstract
A display device including: a substrate having display area and a non-display area; and an alignment mark disposed in the non-display area of the substrate. The alignment mark includes a quadrangular-shaped center portion and a plurality of measurement portions that surround the center portion, the plurality of measurement portions including four or more measurement portions, and each of the measurement portions including sides that are parallel with two sides of the quadrangular-shaped center portion.