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. 26, 2021
Filed:
May. 31, 2016
Applicant:
Samsung Display Co., Ltd., Yongin-si, KR;
Inventors:
Assignee:
SAMSUNG DISPLAY CO., LTD., Yongin-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K 26/354 (2014.01); B23K 37/04 (2006.01);
U.S. Cl.
CPC ...
B23K 26/354 (2015.10); B23K 37/0408 (2013.01);
Abstract
A laser crystallizing apparatus includes a stage configured to receive a substrate, the stage including a plurality of groove lines each having a predetermined depth and width, and a plurality of control holes, each arranged in a respective groove line. Each control hole is provided with a negative pressure to hold the substrate to a surface of the stage or a positive pressure to release the substrate from the surface of the stage.