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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.:

US 12419187 B1

PDFFull Text
Date of Patent:
Sep. 16, 2025

Filed:

Mar. 07, 2022

Apparatus and method for manufacturing display device using ejection head ejecting adhesive material

Applicant:

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

Inventors:

Jong Hyup Kim, Incheon, KR;

Yong Hwan Kim, Hwaseong-si, KR;

Min Ho Bae, Cheonan-si, KR;

Sang Hyuk Lee, Anyang-si, KR;

Assignee:

SAMSUNG DISPLAY CO., LTD., Gyeonggi-do, KR;

Attorney:

CANTOR COLBURN LLP

Primary Examiner:

Binu Thomas

Int. Cl.
CPC ...
B05C 5/02 (2006.01); B05C 5/00 (2006.01); B05C 9/12 (2006.01); B05D 3/06 (2006.01); B32B 7/12 (2006.01); B32B 37/12 (2006.01); H10H 20/85 (2025.01); H10K 50/84 (2023.01); H10K 71/00 (2023.01); H10K 71/50 (2023.01); H10K 59/80 (2023.01); H10K 71/40 (2023.01);
U.S. Cl.
CPC ...
H10K 71/50 (2023.02); B05C 5/001 (2013.01); B05C 5/02 (2013.01); B05C 5/0212 (2013.01); B05C 5/0254 (2013.01); B05C 9/12 (2013.01); B05D 3/067 (2013.01); B32B 7/12 (2013.01); B32B 37/1284 (2013.01); H10H 20/8506 (2025.01); H10K 50/841 (2023.02); H10K 71/00 (2023.02); B32B 2037/1253 (2013.01); B32B 2457/20 (2013.01); H10K 59/871 (2023.02); H10K 71/40 (2023.02);
Abstract

An apparatus and method for manufacturing a display device are provided. The apparatus for manufacturing the display device, includes: a stage, and an ejection head including an ejection outlet, which is open upward in a first direction opposite to a direction of gravity. The ejection head is configured to move in a second direction, which intersects the first direction, and disposed under the stage in the direction of the gravity. The ejection head includes a body part, which contains an adhesive material, and a stirring part, which is disposed in the body part and includes a roller, which rotates a predetermined number of times per unit time to control viscosity of the adhesive material.

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