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:
Jan. 30, 2024

Filed:

Dec. 16, 2021
Applicant:

Samsung Display Co., Ltd., Yongin-si, KR;

Inventors:

Jin Woo Choi, Yongin-si, KR;

Min Woo Kim, Yongin-si, KR;

Sung Kook Park, Yongin-si, KR;

Dae Ho Song, Yongin-si, KR;

So Yeon Yoon, Yongin-si, KR;

Joo Woan Cho, Yongin-si, KR;

Assignee:

Samsung Display Co., Ltd., Yongin-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/00 (2010.01); H01L 25/075 (2006.01);
U.S. Cl.
CPC ...
H01L 33/0095 (2013.01); H01L 25/0753 (2013.01); H01L 33/0093 (2020.05); H01L 2933/0016 (2013.01);
Abstract

A manufacturing apparatus of a display device, includes: a first unit to transfer a plurality of light emitting elements on a growth substrate to a first film; a second unit to expand the first film; a third unit to retransfer the plurality of light emitting elements to a second film; a fourth unit to determine positions of the plurality of light emitting elements on the second film; a fifth unit to bin the light emitting elements on the second film, and determine an effective light source from among the light emitting elements; a sixth unit to form a plurality of pixels on a substrate, each pixel including a first bonding electrode; a seventh unit to remove the second film after transferring one light emitting element to the first bonding electrode of one pixel; and an eighth unit to form a second electrode on the one light emitting element.


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