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:
Jun. 06, 2023
Filed:
Apr. 07, 2020
Applicant:
Samsung Display Co., Ltd., Yongin-si, KR;
Inventors:
Hong Ro Lee, Seongnam-si, KR;
Chung Hwan Lee, Seoul, KR;
Assignee:
SAMSUNG DISPLAY CO., LTD., Yongin-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K 26/12 (2014.01); B23K 26/352 (2014.01);
U.S. Cl.
CPC ...
B23K 26/127 (2013.01); B23K 26/352 (2015.10);
Abstract
Provided is a laser crystallizing apparatus including a laser generator generating a laser beam and an optical system photo-converting the laser beam to make a converted laser beam. A beam transmitting unit includes a passage through which the converted laser beam is transmitted into the chamber. The beam transmitting unit includes a chamber window provided on the chamber to transmit the laser beam, and a shield window movably disposed below the chamber window to prevent a material generated in the chamber from reaching the chamber window.