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.

Date of Patent:
Aug. 26, 2025

Filed:

Jul. 02, 2019
Applicant:

Lg Electronics Inc., Seoul, KR;

Inventors:

Donghae Oh, Seoul, KR;

Changseo Park, Seoul, KR;

Jin Hyung Lee, Seoul, KR;

Changhyun Jeong, Seoul, KR;

Assignee:

LG ELECTRONICS INC., Seoul, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/683 (2006.01); H01L 25/075 (2006.01); H10H 20/01 (2025.01); H10H 20/857 (2025.01);
U.S. Cl.
CPC ...
H01L 21/6835 (2013.01); H01L 25/0753 (2013.01); H10H 20/857 (2025.01); H01L 2221/68313 (2013.01); H01L 2221/68354 (2013.01); H01L 2221/68368 (2013.01); H10H 20/0364 (2025.01);
Abstract

Discussed is an assembly substrate used in a display manufacturing method for placing semiconductor light-emitting devices to predetermined positions thereof using an electric field and a magnetic field, the assembly substrate including a base part; a plurality of assembly electrodes extending in one direction and disposed in parallel on the base part; a dielectric layer disposed on the base part to cover the plurality of assembly electrodes; and partition walls disposed on the dielectric layer and defining cells at predetermined intervals along the one direction of the plurality of assembly electrodes so as to overlap portions of the plurality of assembly electrodes, and the semiconductor light-emitting devices being placed into the cells, respectively, wherein a protrusion part protrudes inward from at least one of inner surfaces of each of the cells.


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