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:
Oct. 24, 2023
Filed:
May. 13, 2020
Applicant:
Lg Electronics Inc., Seoul, KR;
Inventors:
Assignee:
LG ELECTRONICS INC., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/687 (2006.01); B25B 5/02 (2006.01); H01L 25/13 (2006.01);
U.S. Cl.
CPC ...
B25B 5/02 (2013.01); H01L 21/68778 (2013.01); H01L 25/13 (2013.01);
Abstract
Discussed is a substrate chuck for self-assembling micro LEDs. The substrate chuck can include a first frame having a hole at a central portion thereof, a second frame having a hole at a central portion thereof and disposed to overlap the first frame, a frame transfer part configured to transfer the second frame so that the second frame presses the substrate while the substrate is disposed between the first and second frames, and an auxiliary clamp configured to additionally press the second frame toward the substrate while the second frame is pressing on the substrate.