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. 22, 2022
Filed:
May. 09, 2019
Samsung Display Co., Ltd., Yongin-si, KR;
Akifumi Sangu, Hwaseong-si, KR;
Alexander Voronov, Suwon-si, KR;
Hyoung-Joo Kim, Anyang-si, KR;
Eun Sun Choi, Seoul, KR;
Emil Aslanov, Asan-si, KR;
Gyoo Wan Han, Yongin-si, KR;
Samsung Display Co., Ltd., Yongin-si, KR;
Abstract
A laser processing apparatus includes a light source configured to generate a laser beam, and a light converging optical system configured to converge laser beam to a focal point at an object to be processed, the light converging optical system including a through-hole optical element and a composite optical element under the through-hole optical element, wherein the through-hole optical element includes a first recess portion configured as a concave mirror at a lower surface of the through-hole optical element, and wherein an upper surface of the composite optical element is convex and includes a first region configured to reflect the laser beam and a second region configured to transmit the laser beam.